CN207634294U - A kind of external three screw pump - Google Patents
A kind of external three screw pump Download PDFInfo
- Publication number
- CN207634294U CN207634294U CN201721639158.9U CN201721639158U CN207634294U CN 207634294 U CN207634294 U CN 207634294U CN 201721639158 U CN201721639158 U CN 201721639158U CN 207634294 U CN207634294 U CN 207634294U
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- CN
- China
- Prior art keywords
- pump
- bar
- screw
- external
- pump housing
- Prior art date
- 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 - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model discloses a kind of external three screw pumps,The utility model has the advantages of simple structure,It is cheap,And it is highly practical,Including from bar,It is described to be internally connected with mobile jib from bar,It is provided with bushing on the outside of the mobile jib,It is connected with circulation pipe on the outside of the bushing,The bushing side is provided with the pump housing,The pump housing side is provided with import,The inlet side is provided with outlet,It is described to be connected with temperature inductor from bar one end,The pump housing side is provided with balance set,The balance set side is provided with mechanical seal,The mechanical seal lower end is provided with gas bleeder valve,The mechanical seal side is provided with bearing,The bearing side is connected with screw rod and pays,The screw rod pays side and is connected with motor,The motor bottom end is connected with power supply,The power supply bottom end is connected with connecting rod,The connecting rod bottom end is connected with pedestal,The pedestal side is provided with pump machine,The pump machine side is provided with water injection hole.
Description
Technical field
The utility model is related to a kind of three screw pump, more particularly to a kind of external three screw pump belongs to machine applications technology
Field.
Background technology
Three screw pump is formed with screw rod by the pump housing, when driving screw rod rotates, drives the driven spiral shell engaged
Bar rotates together, and the screw rod engagement spatial volume of suction chamber one end gradually increases, pressure reduction, and general three screw pump cannot
Enough cooled down automatically, the service life of three screw pump can be greatly reduced in this way, therefore, a kind of external three screw pump will possess well
Market prospects.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of external three screw pump,
It is easy to use, save a large amount of cost.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
The utility model provides a kind of external three screw pump, including from bar, described to be internally connected with mobile jib, the master from bar
It is provided with bushing on the outside of bar, circulation pipe is connected on the outside of the bushing, the circulation pipe described will be wrapped up from bar and the mobile jib
Inside, the bushing side is provided with the pump housing, and the pump housing side is provided with import, and the inlet side is provided with outlet, institute
It states from bar one end and is connected with temperature inductor, the pump housing side is provided with balance set, and the balance set side is provided with machinery
Sealing, the mechanical seal lower end are provided with gas bleeder valve, and the mechanical seal side is provided with bearing, the bearing side connection
There is screw rod to pay, the screw rod pays side and is connected with motor, and the motor bottom end is connected with power supply, and the power supply bottom end is connected with
Extension bar, the connecting rod bottom end are connected with pedestal, and the pedestal side is provided with pump machine, the pump machine and the circulation pipe phase
Logical, the pump machine side is provided with water injection hole, and the water injection hole is communicated with the circulation pipe, and the water injection hole is salable.
As a kind of optimal technical scheme of the utility model, the circulation pipe and the pump housing inner wall pass through screw, solid
Fixed button is connected
As a kind of optimal technical scheme of the utility model, the import, the outlet pass through welding with the pump housing.
As a kind of optimal technical scheme of the utility model, the pump machine, the temperature inductor and power supply electricity
Property be connected.
As a kind of optimal technical scheme of the utility model, the screw rod pays the motor and is connected by shaft coupling
It connects, the screw rod pays the bearing and is connected, and the bearing is connected from bar, the mobile jib by flange with described.
As a kind of optimal technical scheme of the utility model, the pump machine comes with pump machine controller, the temperature sense
Device is answered to be connected with pump machine controller signals.
The advantageous effect that the utility model is reached is：The utility model has the advantages of simple structure, cheap, and practicability
By force, liquid enters from import in the pump housing under differential pressure action, as soon as when volume increases to maximum and formation seal chamber, liquid exists
It is moved continuously along mobile jib direction in one seal chamber, then is driven from bar and rotated by motor, at this moment liquid is until discharge chamber one end,
At this moment the spatial volume of discharge pump body one end is gradually reduced, and liquid is discharged by exporting, and when the temperature of pump body
When spending high, temperature inductor can be signaled immediately to pump machine, and at this moment, pump machine can start to work, and the note from water injection hole is made to come in
Coolant liquid in circulation pipe, cooling processing carried out with from bar to mobile jib, and the gas for then generating pump body by gas bleeder valve
Discharge ensures that pressure is consistent inside and outside the pump housing, has saved a large amount of cost, easy to use, there is good economic benefit and society
Meeting benefit, is suitble to promote the use of.
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 the subjective structural schematic diagram of the utility model；
In figure：1, from bar；2, mobile jib；3, the pump housing；4, bushing；5, balance set；6, mechanical seal；7, bearing；8, screw rod is paid；
9, motor；10, connecting rod；11, pedestal；12, import；13, it exports；14, temperature inductor；15, gas bleeder valve；16, circulation pipe；
17, pump machine；18, water injection hole；19, power supply.
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, the utility model provides a kind of external three screw pump, including from bar 1, it is described out of bar 1
Portion is connected with mobile jib 2, and 2 outside of the mobile jib is provided with bushing 4, and 4 outside of the bushing is connected with circulation pipe 16, the circulation pipe
16 by it is described be wrapped in from bar 1 and the mobile jib 2 in, 4 side of the bushing is provided with the pump housing 3, and 3 side of the pump housing is provided with
Import 12,12 side of the import is provided with outlet 13, described to be connected with temperature inductor 14, the pump housing 3 one from 1 one end of bar
Side is provided with balance set 5, and 5 side of the balance set is provided with mechanical seal 6, and 6 lower end of the mechanical seal is provided with gas bleeder valve
15,6 side of the mechanical seal is provided with bearing 7, and 7 side of the bearing is connected with screw rod and pays 8, and the screw rod is paid 8 sides and connected
It is connected to motor 9,9 bottom end of the motor is connected with power supply 19, and 19 bottom end of the power supply is connected with connecting rod 10, the connecting rod 10
Bottom end is connected with pedestal 11, and 11 side of the pedestal is provided with pump machine 17, and the pump machine 17 is communicated with the circulation pipe 16, described
17 side of pump machine is provided with water injection hole 18, and the water injection hole 18 is communicated with the circulation pipe 16, and the water injection hole 18 is salable.
In order to make this kind of external three screw pump, easy to use, work efficiency is high, in the circulation pipe 16 and the pump housing 3
Wall is connected by screw, fixing buckle, the import 12, it is described outlet 13 with the pump housing 3 by welding, the pump machine 17,
The temperature inductor 14 is electrical connected with the power supply 19, and the screw rod pays 8 and is connected by shaft coupling with the motor 9,
The screw rod pays 8 and is connected with the bearing 7, and the bearing 7 is connected from bar 1, the mobile jib 2 by flange with described, institute
It states pump machine 17 and comes with pump machine controller, the temperature inductor 14 is connected with pump machine controller signals.
When the utility model is used, liquid enters from import 12 in the pump housing 3 under differential pressure action, when volume increases to maximum
As soon as and when forming seal chamber, liquid moves in a seal chamber continuously along 2 direction of mobile jib, then by the drive of motor 9 from
Bar 1 rotates, and at this moment liquid is until discharge chamber one end, the spatial volume that 3 inside one end of the pump housing is at this moment discharged are gradually reduced, and by liquid
By 13 discharge of outlet, and inside the pump housing 3 when the temperature is excessively high, temperature inductor 14 can signal to pump machine 17 body immediately,
At this moment, pump machine 17 can start to work, and make the coolant liquid noted into from water injection hole 18 in circulation pipe 16, to mobile jib 2 with from bar 1 into
Row cooling is handled, and then the gas that 3 inside of the pump housing generates is discharged by gas bleeder valve 15, ensures that pressure is consistent inside and outside the pump housing 3.
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 external three screw pump, including from bar (1), which is characterized in that described to be internally connected with mobile jib (2), institute from bar (1)
It states and is provided with bushing (4) on the outside of mobile jib (2), be connected with circulation pipe (16) on the outside of the bushing (4), the circulation pipe (16) is by institute
It states in being wrapped in from bar (1) and the mobile jib (2), bushing (4) side is provided with the pump housing (3), and the pump housing (3) side is set
It is equipped with import (12), import (12) side is provided with outlet (13), described to be connected with temperature inductor from bar (1) one end
(14), the pump housing (3) side is provided with balance set (5), and balance set (5) side is provided with mechanical seal (6), the machine
Tool sealing (6) lower end is provided with gas bleeder valve (15), and mechanical seal (6) side is provided with bearing (7), the bearing (7) one
Side is connected with screw rod and pays (8), and the screw rod pays (8) side and is connected with motor (9), and motor (9) bottom end is connected with power supply
(19), power supply (19) bottom end is connected with connecting rod (10), and connecting rod (10) bottom end is connected with pedestal (11), the bottom
Seat (11) side is provided with pump machine (17), and the pump machine (17) communicates with the circulation pipe (16), and pump machine (17) side is set
It is equipped with water injection hole (18), the water injection hole (18) communicates with the circulation pipe (16), and the water injection hole (18) is salable.
2. a kind of external three screw pump according to claim 1, which is characterized in that the circulation pipe (16) and the pump housing
(3) inner wall is connected by screw, fixing buckle.
3. a kind of external three screw pump according to claim 1, which is characterized in that the import (12), the outlet
(13) pass through welding with the pump housing (3).
4. a kind of external three screw pump according to claim 1, which is characterized in that the pump machine (17), the temperature sense
Device (14) is answered to be electrical connected with the power supply (19).
5. a kind of external three screw pump according to claim 1, which is characterized in that the screw rod pays (8) and the motor
(9) it is connected by shaft coupling, the screw rod pays (8) and is connected with the bearing (7), the bearing (7) and described from bar
(1), the mobile jib (2) is connected by flange.
6. a kind of external three screw pump according to claim 1, which is characterized in that the pump machine (17) comes with pump machine control
Device processed, the temperature inductor (14) are connected with pump machine controller signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721639158.9U CN207634294U (en) | 2017-11-30 | 2017-11-30 | A kind of external three screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721639158.9U CN207634294U (en) | 2017-11-30 | 2017-11-30 | A kind of external three screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634294U true CN207634294U (en) | 2018-07-20 |
Family
ID=62854930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721639158.9U Expired - Fee Related CN207634294U (en) | 2017-11-30 | 2017-11-30 | A kind of external three screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340267A (en) * | 2018-09-07 | 2019-02-15 | 江苏三科精工机械有限公司 | A kind of hopper transmission support sleeve |
-
2017
- 2017-11-30 CN CN201721639158.9U patent/CN207634294U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340267A (en) * | 2018-09-07 | 2019-02-15 | 江苏三科精工机械有限公司 | A kind of hopper transmission support sleeve |
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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 |