CN206360883U - GR high pressure screw pumps - Google Patents
GR high pressure screw pumps Download PDFInfo
- Publication number
- CN206360883U CN206360883U CN201621445771.2U CN201621445771U CN206360883U CN 206360883 U CN206360883 U CN 206360883U CN 201621445771 U CN201621445771 U CN 201621445771U CN 206360883 U CN206360883 U CN 206360883U
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- screw
- pump
- pump housing
- driving screw
- bonnet
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- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model is related to a kind of high pressure screw pump, including the pump housing (8), bonnet (9), protecgulum (5), driving screw (4), from screw rod (7), axle sleeve (6), sliding bearing (17) and flat key (16), wherein：The pump housing (8) is connected with bonnet (9)；Driving screw (4), it is arranged on from screw rod (7) the internal intracavitary of the pump housing (8)；Driving screw (4) is connected with external impetus, and driving screw (4) rotation drives driven from screw rod (7)；Sliding bearing (17) is enclosed on driving screw (4), from two ends on screw rod (7)；Flat key (16) is arranged in the groove of driving screw (4)；Protecgulum (5) is sleeved on driving screw (4) and is connected with the pump housing (8).The screw pump that the utility model is provided structure is compacter, more efficient, noise is lower, efficiently solve the existing pump housing because noise it is big, it is interior rush down install that inconvenience, efficiency is low caused by the reasons such as big, volume is big, noise big influence environment the problems such as.
Description
Technical field
The utility model belongs to pump machines technical field, and in particular to high pressure screw pump.
Background technology
High pressure screw pump be by the pump housing and screw rod formed engage spatial volume change and move convey liquid or
It is allowed to the drum pump of supercharging.The operation principle of screw pump is similar to gear pump, simply instead of gear with screw rod in structure.Spiral shell
During bar pump work, liquid is put into the sealing space that screw thread is enclosed with pump case, when driving screw rod rotates, screw pump after being inhaled into
Sealed volume improves screw rod pump pressure under the extruding of thread.When driving screw rod is rotated, the driven screw engaged is driven
Rotate together, the screw rod engagement spatial volume of suction chamber one end gradually increases, pressure reduction.Liquid enters under differential pressure action to be nibbled
Close spatial volume.When volume increase to it is maximum and when forming an annular seal space, liquid is just in annular seal space one by one, until discharging chamber
One end.At this moment the screw rod engagement spatial volume of discharge chamber one end is gradually reduced, and liquid is discharged.Because screw rod is constant speed rotation
Turn, so liquid discharge stream flow is also uniform.
Current common screw pump has that contamination resistance is not strong, pressure fluctuation is excessive, noise is too high, interior let out too big, body
Product defect bigger than normal.
Utility model content
For above-mentioned problems of the prior art, the purpose of this utility model is that providing one kind can avoid the occurrence of
State the screw pump of technological deficiency.
In order to realize above-mentioned utility model purpose, the technical solution adopted in the utility model is as follows：
A kind of GR screw pumps, including the pump housing, bonnet, protecgulum, driving screw, from screw rod, axle sleeve, sliding bearing and flat key, its
In：
The pump housing is connected with the bonnet；
The driving screw, the intracavitary for being arranged on from screw rod pump body；
The driving screw is connected with external impetus, and driving screw rotation is driven from screw rod；
The sliding bearing is enclosed on driving screw, the two ends from screw rod；
The flat key is arranged in the groove of the driving screw；
The protecgulum is sleeved on driving screw and is connected with the pump housing.
Further, the screw pump also includes the first sealing ring, the second sealing ring and the 3rd sealing ring, and described first is close
Seal is arranged between the pump housing and bonnet, and the second sealing ring is arranged between protecgulum and axle sleeve, and the 3rd sealing ring is arranged on axle sleeve
Between the pump housing.
Further, the screw pump also includes oil sealing, and the oil sealing is arranged between the inwall of the driving screw and protecgulum.
Further, the screw pump also includes snap ring, and the snap ring is arranged on the outside of the oil sealing.
Further, the screw pump also includes the first plunger and the second plunger, and first plunger is set in the rear
Cover and between screw rod, the second plunger is arranged between the bonnet and driving screw.
Further, the screw pump also include flange bolt, the flange bolt be used for connect the pump housing, bonnet and
Protecgulum.
Further, the screw pump also includes alignment pin, and the alignment pin is used to connect the pump housing, bonnet and preceding
Lid.
The high pressure screw pump that the utility model is provided, efficiently solves the existing pump housing because noise is big, interior rush down big, body
Install that inconvenience, efficiency is low caused by the reason such as product is big, noise big influence environment the problems such as.With existing common like product phase
The structure of the screw pump provided than, the utility model is compacter, more efficient, noise is lower.Common like product is more with casting
Part is the pump housing, and the utility model overall volume is compact, lightweight, and noise is less than 60 decibels, can reach world-class level, simultaneously
It is cheap, both took into account the operation stability of product or taken into account the stability of price, practical application can be met well
The need for.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
In figure, the sealing rings of 1- first, the sealing rings of 2- second, the sealing rings of 3- the 3rd, 4- driving screws, 5- protecgulums, 6- axle sleeves, 7-
From screw rod, the 8- pump housings, 9- bonnets, 10- oil sealings, 11- snap rings, 12- bolts, the plungers of 13- first, the plungers of 14- second, 15- positioning
Pin, 16- flat keys, 17- sliding bearings.
Embodiment
The utility model is described further with reference to the accompanying drawings and detailed description.
As shown in figure 1, GR high-pressure bolt pumps, wherein, the pump housing 8 is used for the space that a conveying is provided for fluid, internal shape
Cheng Youyi chamber, is referred to as oil pocket in advancing side, is nibbling out side referred to as oil sucting cavity；First sealing ring 1 is arranged on the pump housing 8 and bonnet
Between 9, O-ring seal 1 is used to seal the fluid between the pump housing 8 and bonnet 9；Second sealing ring 2, the 3rd type sealing ring 3 are set
Between the pump housing 8 and protecgulum 5, for sealing the fluid between the pump housing 8 and protecgulum 5；Bolt 12, which is had on four, protecgulum 5, four
Individual screwed hole, through the corresponding bolt hole of bonnet 9, also there is four corresponding bolts hole, bolt 12 passes through bonnet on the pump housing 8
Have in four screwed holes and tighten on four holes insertion protecgulum 5 on bolt hole and the pump housing 8 on 9；Driving screw 4 is arranged on the pump housing
Intracavitary inside 8, is the main element of conveying oil equivalent to rotor；The intracavitary inside the pump housing 8 is arranged on from screw rod 7, from screw rod
7 are engaged with driving screw 4, are also the main element of conveying oil；Sliding bearing 17 is enclosed between axle sleeve 6 and driving screw 4, bearing 17
It is the core component for ensureing main shaft rotary part performance；Oil sealing 10 is arranged between the inwall of the driving screw 4 and protecgulum 5, is used for
Seal fluid；Snap ring 11 is arranged on the outside of oil sealing 10, and snap ring 11 is used to limit the axial float of oil sealing 10；Set on driving screw 4
There is keyway, flat key 16 is arranged in keyway, and flat key 16 is drive disk assembly；Protecgulum 5 be sleeved on driving screw 4 and by bolt 12 with
The pump housing 8 is connected, therebetween in order to ensure relative position, is first positioned in assembling with alignment pin 15 and refills bolt, the pump housing 8 and bonnet
In order to ensure relative position between 9, also first positioned in assembling with alignment pin 15 and refill bolt；Two are additionally provided with protecgulum 5
Hole, for being attached with external accessory, in the present embodiment, protecgulum 5 uses SAE standard flange, and oil inlet and outlet uses basis
Client needs configuration G pipe screw threads or SAE3000 flange inlet and outlet connectors.First plunger 13 be arranged on the bonnet 9 with from screw rod 7 it
Between, the second plunger 14 is arranged between the bonnet 9 and driving screw 4.
Screw pump be used for lifted conveying liquid and make liquid increase pressure, the mechanical energy of prime mover be changed into liquid kinetic energy from
And reach the purpose for pumping liquid.When in use, fluid by driving screw 4, from screw rod 7 rotation produce effect by fluid from
Oil sucting cavity is sent to out oil pocket, and can provide up to 250Bar pressure according to load, and fluid maximum flow is up to 290L/
Min.And this screw pump efficiency high, noise is low, generally below 60 decibels, up to world-class level.
Embodiment described above only expresses embodiment of the present utility model, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the utility model the scope of the claims can not be interpreted as.It should be pointed out that for the ordinary skill of this area
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1.GR high pressure screw pumps, it is characterised in that including the pump housing (8), bonnet (9), protecgulum (5), driving screw (4), from screw rod
(7), axle sleeve (6), sliding bearing (17) and flat key (16), wherein：
The pump housing (8) is connected with the bonnet (9)；
The driving screw (4), it is arranged on from screw rod (7) the internal intracavitary of the pump housing (8)；
The driving screw (4) is connected with external impetus, and driving screw (4) rotation is driven from screw rod (7)；
The sliding bearing (17) is enclosed on driving screw (4), from two ends on screw rod (7)；
The flat key (16) is arranged in the groove of the driving screw (4)；
The protecgulum (5) is sleeved on driving screw (4) and is connected with the pump housing (8).
2. GR high pressure screw pumps according to claim 1, it is characterised in that the screw pump also includes the first sealing ring
(1), the second sealing ring (2) and the 3rd sealing ring (3), first sealing ring (1) are arranged between the pump housing (8) and bonnet (9),
Second sealing ring (2) is arranged between protecgulum (5) and axle sleeve (6), the 3rd sealing ring (3) be arranged on axle sleeve (6) and the pump housing (8) it
Between.
3. GR high pressure screw pumps according to claim 1, it is characterised in that the screw pump also includes oil sealing (10), institute
Oil sealing (10) is stated to be arranged between the inwall of the driving screw (4) and protecgulum (5).
4. GR high pressure screw pumps according to claim 3, it is characterised in that the screw pump also includes snap ring (11), institute
State the outside that snap ring (11) is arranged on the oil sealing (10).
5. GR high pressure screw pumps according to claim 1, it is characterised in that the screw pump also includes the first plunger (13)
With the second plunger (14), first plunger (13) is arranged on the bonnet (9) and between screw rod (7), the second plunger (14)
It is arranged between the bonnet (9) and driving screw (4).
6. GR high pressure screw pumps according to claim 1, it is characterised in that the screw pump also includes flange bolt
(12), the flange bolt (12) is used to connect the pump housing (8), bonnet (9) and protecgulum (5).
7. GR high pressure screw pumps according to claim 1, it is characterised in that the screw pump also includes alignment pin (15),
The alignment pin (15) is used to connect the pump housing (8), bonnet (9) and protecgulum (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621445771.2U CN206360883U (en) | 2016-12-27 | 2016-12-27 | GR high pressure screw pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621445771.2U CN206360883U (en) | 2016-12-27 | 2016-12-27 | GR high pressure screw pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206360883U true CN206360883U (en) | 2017-07-28 |
Family
ID=59377304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621445771.2U Active CN206360883U (en) | 2016-12-27 | 2016-12-27 | GR high pressure screw pumps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206360883U (en) |
-
2016
- 2016-12-27 CN CN201621445771.2U patent/CN206360883U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |