CN202707476U - Screw pump - Google Patents
Screw pump Download PDFInfo
- Publication number
- CN202707476U CN202707476U CN 201220308809 CN201220308809U CN202707476U CN 202707476 U CN202707476 U CN 202707476U CN 201220308809 CN201220308809 CN 201220308809 CN 201220308809 U CN201220308809 U CN 201220308809U CN 202707476 U CN202707476 U CN 202707476U
- Authority
- CN
- China
- Prior art keywords
- universal joint
- rotor
- screw pump
- jack shaft
- shaft
- 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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- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a screw pump which comprises a first universal joint arranged between an intermediate shaft and a rotor, and a second universal joint arranged between a transmission shaft and the intermediate shaft, and the first universal joint is a cross axle universal joint. In the working process of the screw pump, a rotor makes a rotary meshing movement in a track inside a stator, and thus the rotor has a multidirectional movement function when revolving; and through setting the universal joint between the intermediate shaft and the rotor to be the cross axle universal joint, by using the characteristic of a cross axle capable of moving in variable angles, the abrasion between the intermediate shaft and the rotor is reduced to a certain degree, and the energy is avoided being wasted.
Description
Technical field
The utility model relates to pump industry technical field, more particularly, relates to a kind of screw pump.
Background technique
Screw pump is to rely on the pump housing and the formed engagement spatial volume of screw rod to change and the mobile rotary pump of carrying liquid or making it supercharging.When the active bolt rotary, the driven screw rod that drives with its engagement rotates, and the screw rod engagement spatial volume of suction chamber one end increases pressure decreased gradually.Liquid enters the engagement spatial volume under differential pressure action.When volume increases to maximum and when forming a Seal cage, liquid is just mobile vertically continuously in Seal cage one by one, until discharge side one end.At this moment the screw rod of discharge side one end engagement spatial volume is dwindled gradually, and liquid is discharged.
Screw pump is rotated by the driven by motor transmission shaft in the course of the work, and transmission shaft drives successively the jack shaft and the rotor that are attached thereto at rotation process and rotates, and by the revolution gear motion between rotor and the stator, realizes the transportation to slurry.In the prior art, between transmission shaft and the jack shaft, all connect by the one shape pin universal joint between jack shaft and the rotor, the axial rotation because transmission shaft fixes, and jack shaft swings around transmission shaft, does Multidirectional motion between rotor and the jack shaft, therefore, the universal joint of one shape pin can not be realized the revolution transmission capacity of himself well so that rotor is subject to the restriction of the one shape pin direction of jack shaft when revolution; Same, also can be subject to the restriction of one shape pin between transmission shaft and the jack shaft.
And, because the restriction of the unidirectional movement of one shape pin universal joint so that screw pump has expended larger energy in the course of the work in the transmission process of rotor, has caused the waste of energy.
Therefore, how improving the revolution transmission capacity of rotor, avoid simultaneously the waste of energy in the screw pump working procedure, is present those skilled in the art's problem demanding prompt solution.
The model utility content
In view of this, the utility model provides a kind of screw pump, to realize improving the revolution transmission capacity of rotor, avoids simultaneously the waste of energy in the screw pump working procedure.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of screw pump is provided with the first universal joint between its jack shaft and the rotor, be provided with the second universal joint between its transmission shaft and the jack shaft, it is characterized in that, described the first universal joint is Hooke's joint.
Preferably, in above-mentioned screw pump, described the second universal joint is Hooke's joint.
Preferably, in above-mentioned screw pump, described the first universal joint is set with outward and prevents that slurry from flowing into the first protecting jacket of described the first universal joint inside.
Preferably, in above-mentioned screw pump, described the second universal joint is set with outward and prevents that slurry from flowing into the second protecting jacket of described the second universal joint inside.
Preferably, in above-mentioned screw pump, be provided with the helical blade that slurry is pushed to rotor one end on the described jack shaft.
The screw pump that the utility model provides is included in the first universal joint that arranges between its jack shaft and the rotor, and the second universal joint that arranges between its transmission shaft and jack shaft, and the first universal joint is Hooke's joint.Screw pump in the course of the work, rotor is done the revolution gear motion in the track of stator interior, therefore need rotor in rotation, to have multidirectional motor function, be set to Hooke's joint by the universal joint between jack shaft and the rotor, utilize the characteristics of cross axle energy varied angle motion, reduce to a certain extent the wearing and tearing between jack shaft and the rotor, avoided the waste of energy.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the screw pump that Fig. 1 provides for present embodiment;
The partial enlarged drawing of the first universal joint and the second universal joint position in the screw pump that Fig. 2 provides for present embodiment.
Among the upper figure:
1 for rotor, 2 for jack shaft, 3 for transmission shaft, 4 be the first universal joint, 5 be the second universal joint, 6 be the first protecting jacket, 7 be the second protecting jacket, 21 for helical blade, 41 be that first Left-wing Federation's axial region, 42 is that the first right shaft coupling section, 51 is that second Left-wing Federation's axial region, 52 is the second right shaft coupling section.
Embodiment
The utility model discloses a kind of screw pump, improved the revolution transmission capacity of rotor, avoided simultaneously the waste of energy in the screw pump working procedure.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is carried out clear, complete description, obviously, described fact Example only is the utility model part fact Example, rather than whole embodiments.Based on embodiment of the present utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As depicted in figs. 1 and 2, the structural representation of the screw pump that provides for present embodiment of Fig. 1; The partial enlarged drawing of the first universal joint and the second universal joint position in the screw pump that Fig. 2 provides for present embodiment.
Present embodiment provides a kind of screw pump, is provided with therein the first universal joint 4 between countershaft 2 and the rotor 1, and is provided with the second universal joint 5 between its transmission shaft 3 and jack shaft 2, and wherein, the first universal joint 4 is Hooke's joint.Screw pump in the course of the work, rotor 1 is done the revolution gear motion in the track of stator interior, rotor 1 is when rotating synchronously with jack shaft 2, the connecting end of the two is done planetary motion according to the track in the stator, be that rotor 1 and jack shaft 2 are in the process of common rotation, the two does multidirectional bending simultaneously, therefore need rotor 1 in rotation, to have multidirectional motor function, by the first universal joint 4 between jack shaft 2 and the rotor 1 is set to Hooke's joint, utilize the characteristics of cross axle energy varied angle motion, reduce to a certain extent the wearing and tearing between jack shaft 2 and the rotor 1, avoided the waste of energy.
In Fig. 2, be provided with simultaneously coupling between rotor 1 and the jack shaft 2, the first universal joint 4 is installed between first Left-wing Federation's axial region 41 and the first right shaft coupling section 42 of coupling, forms the first universal joint assembly.
In the present embodiment, the second universal joint 5 between transmission shaft 3 and the jack shaft 2 is Hooke's joint.Rotor 1 and jack shaft 2 are done Multidirectional motion in rotation process when, rotor 1 drives jack shaft 2 and does synchronously Multidirectional motion, so that break-in occurs in jack shaft 2 when rotating and between the transmission shaft 3, in order to improve the break-in locomitivity between jack shaft 2 and the transmission shaft 3, and then the wearing and tearing between minimizing jack shaft 2 and the transmission shaft 3, avoid the waste of this place's energy, the second universal joint 5 between the two is set to Hooke's joint, and then improved screw pump antiwear property on the whole, reduced the waste of energy in the screw pump transmission system.
Identical with the first universal joint, the second universal joint 5 is arranged on between the coupling that connects jack shaft 2 and transmission shaft 3, and the second universal joint 5 is installed between second Left-wing Federation's axial region 51 and the second right shaft coupling section 52 of this coupling, forms the second universal joint assembly.
In the present embodiment, the first universal joint 4 outer being set with prevent that slurry from flowing into the first protecting jacket 6 of the first universal joint 4 inside; The second universal joint 5 outer being set with prevent that slurry from flowing into the second protecting jacket 7 of the second universal joint 5 inside.Because the first universal joint 4 and the second universal joint 5 are between the slurry in the course of the work, the isolation that therefore realizes universal joint and slurry is necessity work that guarantees the screw pump normal operation and avoid the universal joint wearing and tearing.By the first protecting jacket 6 and the second protecting jacket 7 are set, realized the isolation to universal joint and slurry.
In Fig. 2, be provided with simultaneously on the jack shaft 2 in the screw pump transmission process, the slurry spiral is pushed into the helical blade 5 of rotor 1 one ends.By helical blade 5 is set, so that the transmission work of screw pump more fast, has effectively improved the transmission efficiency of screw pump.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. screw pump, be provided with the first universal joint (4) between its jack shaft (2) and the rotor (1), be provided with the second universal joint (5) between its transmission shaft (3) and the jack shaft (2), it is characterized in that, described the first universal joint (4) is Hooke's joint.
2. screw pump according to claim 1 is characterized in that, described the second universal joint (5) is Hooke's joint.
3. screw pump according to claim 1 is characterized in that, outer being set with of described the first universal joint (4) prevents that slurry from flowing into inner the first protecting jacket (6) of described the first universal joint (4).
4. screw pump according to claim 2 is characterized in that, outer being set with of described the second universal joint (5) prevents that slurry from flowing into inner the second protecting jacket (7) of described the second universal joint (5).
5. screw pump according to claim 1 is characterized in that, is provided with the helical blade (21) that slurry is pushed to rotor (1) one end on the described jack shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220308809 CN202707476U (en) | 2012-06-28 | 2012-06-28 | Screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220308809 CN202707476U (en) | 2012-06-28 | 2012-06-28 | Screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202707476U true CN202707476U (en) | 2013-01-30 |
Family
ID=47587783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220308809 Expired - Fee Related CN202707476U (en) | 2012-06-28 | 2012-06-28 | Screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202707476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814896A (en) * | 2019-11-18 | 2021-05-18 | 固瑞克明尼苏达有限公司 | Sealing drive for connecting a progressive cavity pump rotor to a universal joint |
-
2012
- 2012-06-28 CN CN 201220308809 patent/CN202707476U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814896A (en) * | 2019-11-18 | 2021-05-18 | 固瑞克明尼苏达有限公司 | Sealing drive for connecting a progressive cavity pump rotor to a universal joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20180628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |