CN208107004U - A kind of universal shaft transmission of single-screw (single screw) pump - Google Patents
A kind of universal shaft transmission of single-screw (single screw) pump Download PDFInfo
- Publication number
- CN208107004U CN208107004U CN201820579001.XU CN201820579001U CN208107004U CN 208107004 U CN208107004 U CN 208107004U CN 201820579001 U CN201820579001 U CN 201820579001U CN 208107004 U CN208107004 U CN 208107004U
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- CN
- China
- Prior art keywords
- spherical shell
- screw
- end axis
- universal shaft
- inserted link
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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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Abstract
The utility model discloses a kind of universal shaft transmissions of single-screw (single screw) pump,Including the first spherical shell,First spherical shell inner cavity is equipped with the second spherical shell,The universal shaft transmission of this single-screw (single screw) pump,Structure is simple,By supporting ball to be supported between first end axis and second end axis,It is included simultaneously limitation by the first spherical shell and the second spherical shell,So that first end axis and second end axis freedom degree with higher,Meet the universal shaft transmission demand of single-screw (single screw) pump,The first spherical shell and the second spherical shell make joint part closure with higher simultaneously,It is suitble to install and use in pipeline,The transmission of first end axis and second end axis is realized by the cooperation of inserted link and jack,Transmission efficiency is high,Inserted link is swingable,The freedom degree between first end axis and second end axis is not influenced,It is easy to install and use,The point-load of support ball is reduced by the first spherical shell and the second spherical shell and inserted link,Improve whole service life.
Description
Technical field
The utility model relates to screw pump technology field, the universal shaft transmission of specially a kind of single-screw (single screw) pump.
Background technique
Single-screw (single screw) pump belongs to rotator type positive displacement pump, it is to produce by screw rod and bushing intermeshing in suction chamber and discharge chamber
Raw volume variation is to convey liquid, it is a kind of hermetic screw pump of internal messing, and main working parts are by with double end spiral shell
Revolve the bushing of cavity（Stator）With the single thread screw rod engaged in bore of stator（Rotor）Composition, list spiral shell used at present
Universal shaft portion service life is short in bar pump, the main reason is that the axial force and radial force of rotor act on universal shaft simultaneously
On, and forced area is small, torque is big, uses for a long time, and universal shaft load excessive ultimately causes damage.
Summary of the invention
The technical problems to be solved in the utility model is to overcome existing defect, and the universal shaft for providing a kind of single-screw (single screw) pump passes
Motivation structure, structure is simple, has certain closure, is suitble to the use of single-screw (single screw) pump, and rotation is flexible, while transmission capacity is strong,
Contact surface is big, long service life, can effectively solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions：A kind of universal shaft driver of single-screw (single screw) pump
Structure, including the first spherical shell, first spherical shell inner cavity are equipped with the second spherical shell, and the medial surface of the first spherical shell and the second spherical shell outside
Side contacts, and is welded with first end axis in the preformed hole of the first spherical shell left part, the second spherical shell right part
It is welded with second end axis in preformed hole, the outside end side surface of the first end axis and second end axis is equipped with keyway, and described first
The right side marginal position of end axis is fixed with end shield, and end shield outer ledge position radial distribution is there are four jack, and described the
Two end axis left end face radial distributions are fixed with inserted link, the right end of the first end axis on the hinged seat there are four hinged seat
Middle face is equipped with the first ball seat, and the left side of the second end axis is fixed with the second ball seat, first ball seat and the second ball seat
Between be equipped with support ball.
As a kind of optimal technical scheme of the utility model, the left side of the first spherical shell right part and the second spherical shell
Part is equipped with opening, and the open area of the first spherical shell is less than the open area of the second spherical shell.
As a kind of optimal technical scheme of the utility model, the left side of the first spherical shell right part and the second spherical shell
Part is equipped with opening, and the open area of the first spherical shell is less than the open area of the second spherical shell.
As a kind of optimal technical scheme of the utility model, the inserted link passes through axle sleeve, and axle sleeve is in the middle part of lateral surface
It is the annular groove of " V " type equipped with section.
As a kind of optimal technical scheme of the utility model, the left-hand end of the inserted link is fixed with end plate, the end shield
Compressed spring is socketed on the inserted link on right side.
Compared with prior art, the utility model has the beneficial effects that：The universal shaft transmission of this single-screw (single screw) pump, structure
Simply, by supporting ball to be supported between first end axis and second end axis, while being included by the first spherical shell and the second spherical shell
Limitation, so that first end axis and second end axis freedom degree with higher, meet the universal shaft transmission demand of single-screw (single screw) pump, simultaneously
First spherical shell and the second spherical shell make joint part closure with higher, are suitble to install and use in pipeline, pass through inserted link
The transmission of first end axis and second end axis is realized with the cooperation of jack, transmission efficiency is high, and inserted link is swingable, does not influence first end axis
Freedom degree between second end axis, it is easy to install and use, branch is reduced by the first spherical shell and the second spherical shell and inserted link
The point-load for supportting ball, improves whole service life.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model section structural schematic diagram.
In figure：1 first spherical shell, 2 second spherical shells, 3 first end axis, 301 keyways, 4 second end axis, 5 end shields, 501 jacks,
502 axle sleeves, 6 hinged seats, 7 inserted links, 701 end plates, 702 compressed springs, 8 first ball seats, 9 second ball seats, 10 support balls.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2,：A kind of universal shaft transmission of single-screw (single screw) pump,
Including the first spherical shell 1,1 inner cavity of the first spherical shell is equipped with the second spherical shell 2, and the outside of the medial surface of the first spherical shell 1 and the second spherical shell 2
The left part of face contact, 1 right part of the first spherical shell and the second spherical shell 2 is equipped with opening, and the open area of the first spherical shell 1
Less than the open area of the second spherical shell 2, first end axis 3, the second spherical shell 2 are welded in the preformed hole of 1 left part of the first spherical shell
It is welded with second end axis 4 in the preformed hole of right part, the outside end side surface of first end axis 3 and second end axis 4 is equipped with keyway
301, the right side marginal position of first end axis 3 is fixed with end shield 5, and there are four jacks for 5 outer ledge position radial distribution of end shield
501, the inner wall of jack 501 is equipped with the protrusion of annular, and axle sleeve 502 is equipped in jack 501, and 4 left end face of second end axis is radial
Distribution is fixed with inserted link 7, inserted link 7 passes through axle sleeve 502, and axle sleeve 502 is in the middle part of lateral surface there are four hinged seat 6 on hinged seat 6
It is the annular groove of " V " type equipped with section, the left-hand end of inserted link 7 is fixed with end plate 701, is socketed on the inserted link 7 on 5 right side of end shield
The right side middle part of compressed spring 702, first end axis 3 is equipped with the first ball seat 8, and the left side of second end axis 4 is fixed with the second ball
Seat 9 is equipped with support ball 10 between first ball seat 8 and the second ball seat 9, the universal shaft transmission of this single-screw (single screw) pump, structure is simple,
By supporting ball 10 to be supported between first end axis 3 and second end axis 4, while by the first spherical shell 1 and the second spherical shell 2 being included
Limitation, so that first end axis 3 and the freedom degree with higher of second end axis 4, meet the universal shaft transmission demand of single-screw (single screw) pump, together
When the first spherical shell 1 and the second spherical shell 2 make joint part closure with higher, be suitble to install and use in pipeline, pass through
The transmission of first end axis and second end axis is realized in the cooperation of inserted link 7 and jack 501, and transmission efficiency is high, and inserted link 7 is swingable, not shadow
Ring the freedom degree between first end axis 3 and second end axis 4, it is easy to install and use, by the first spherical shell 1 and the second spherical shell 2 with
And inserted link 7 reduces the point-load of support ball 10, improves whole service life.
When in use：First end axis 3 and second end axis 4 are connected by keyway 301 and shaft coupling with outer spindle respectively, and first
The centre of sphere rotation of axis 3 and second end axis 4 along support ball 10 is held, inserted link 7 is swung and the position in corresponding axle sleeve 502 changes
Become.
The utility model structure is simple, has certain closure, is suitble to the use of single-screw (single screw) pump, and freedom degree is high, rotation
Flexibly, while transmission capacity is strong, is not easy to shake, and internal stress dispersion reduces the abrasion in centre, long service life.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of universal shaft transmission of single-screw (single screw) pump, including the first spherical shell（1）, it is characterised in that：First spherical shell（1）
Inner cavity is equipped with the second spherical shell（2）, and the first spherical shell（1）Medial surface and the second spherical shell（2）Outside face contact, first ball
Shell（1）First end axis is welded in the preformed hole of left part（3）, second spherical shell（2）Weldering in the preformed hole of right part
It is connected to second end axis（4）, the first end axis（3）With second end axis（4）Outside end side surface be equipped with keyway（301）, described
First end axis（3）Right side marginal position be fixed with end shield（5）, the end shield（5）Outer ledge position is radially distributed with four
A jack（501）, the second end axis（4）There are four hinged seats for left end face radial distribution（6）, the hinged seat（6）It is upper solid
Surely there is inserted link（7）, the first end axis（3）Right side in the middle part of be equipped with the first ball seat（8）, the second end axis（4）Left end
Face is fixed with the second ball seat（9）, first ball seat（8）With the second ball seat（9）Between be equipped with support ball（10）.
2. a kind of universal shaft transmission of single-screw (single screw) pump according to claim 1, it is characterised in that：First spherical shell
（1）Right part and the second spherical shell（2）Left part be equipped with opening, and the first spherical shell（1）Open area less than second
Spherical shell（2）Open area.
3. a kind of universal shaft transmission of single-screw (single screw) pump according to claim 1, it is characterised in that：The jack
（501）Inner wall be equipped with the protrusion of annular, and jack（501）It is interior to be equipped with axle sleeve（502）.
4. a kind of universal shaft transmission of single-screw (single screw) pump according to claim 1, it is characterised in that：The inserted link（7）
Across axle sleeve（502）, and axle sleeve（502）To be equipped with the annular groove that section is " V " type in the middle part of lateral surface.
5. a kind of universal shaft transmission of single-screw (single screw) pump according to claim 1, it is characterised in that：The inserted link（7）
Left-hand end be fixed with end plate（701）, the end shield（5）The inserted link on right side（7）On be socketed with compressed spring（702）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820579001.XU CN208107004U (en) | 2018-04-23 | 2018-04-23 | A kind of universal shaft transmission of single-screw (single screw) pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820579001.XU CN208107004U (en) | 2018-04-23 | 2018-04-23 | A kind of universal shaft transmission of single-screw (single screw) pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208107004U true CN208107004U (en) | 2018-11-16 |
Family
ID=64116222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820579001.XU Expired - Fee Related CN208107004U (en) | 2018-04-23 | 2018-04-23 | A kind of universal shaft transmission of single-screw (single screw) pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208107004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173746A (en) * | 2020-09-04 | 2021-01-05 | 魏勇 | Feeding device for crop hose grain elevator |
-
2018
- 2018-04-23 CN CN201820579001.XU patent/CN208107004U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173746A (en) * | 2020-09-04 | 2021-01-05 | 魏勇 | Feeding device for crop hose grain elevator |
| CN112173746B (en) * | 2020-09-04 | 2022-06-21 | 南京朗禾智能控制研究院有限公司 | Feeding device for crop hose grain elevator |
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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: 20181116 Termination date: 20210423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |