CN207178203U - Deform scraping blade displacement pump - Google Patents
Deform scraping blade displacement pump Download PDFInfo
- Publication number
- CN207178203U CN207178203U CN201720798714.0U CN201720798714U CN207178203U CN 207178203 U CN207178203 U CN 207178203U CN 201720798714 U CN201720798714 U CN 201720798714U CN 207178203 U CN207178203 U CN 207178203U
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- scraping blade
- arc
- circular arc
- groove
- displacement pump
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Abstract
The utility model discloses one kind to deform scraping blade displacement pump, including housing；Main rotor and secondary rotor are supported with by bearing in housing；Scraping blade is provided with main rotor；The groove that can coordinate with scraping blade end is provided with secondary rotor；Scraping blade includes the end face that can coordinate with groove, and the first side and second side intersected positioned at end face both sides, with the periphery of main rotor；The cross section of groove is made up of the first end to end circular arc, the second circular arc and three-arc；The curvature of first circular arc and three-arc is more than the curvature of the second circular arc；In the rotary course of main rotor and secondary rotor, stop from the arc surface that the end face of scraping blade enters groove to the arc surface for leaving groove, end face coordinates with the arc surface of groove all the time.The utility model makes pump during rotation, even if main rotor and secondary rotor shift, will not also produce shock therebetween, so that the power loss of pump is small, service life is grown, and operating noise is small.
Description
Technical field
A kind of water pump is the utility model is related to, more particularly to a kind of rotary displacement pump.
Background technology
A kind of rotary displacement pump, including main rotor and secondary rotor are disclosed in CN203783890U.Main rotor is by main biography
Moving axis and at least two cams are formed, and these cam rings are circumferentially uniform around final drive shaft, and secondary rotor is by counter drive shaft and with convex
The cylinder of race is formed, and the quantity of cam path is identical with the quantity of main rotor overhead cam.The displacement pump small volume of this structure,
Flow is big, pressure is big.
To ensure that the displacement pump is in preferable working condition, bearing clearance is generally arranged to 0.05-0.19mm.But
It is that, when liquid outlet pressure is more than 1MPa, because load is excessive, main rotor 1 and secondary rotor 2 will be caused to be produced to the small side of pressure
Raw skew, therefore work as major-minor rotor when rotated, make root neighbouring position and cam path that cam edge intersects with final drive shaft
Both sides of the edge position produce shock, as shown in I in Fig. 1, and the profile of secondary rotor can be caused to be produced with pump housing surface of internal cavity
Raw friction, therefore the power loss of pump is big, and the service life of pump is greatly reduced, also cause pump noise and vibration at work
It is all larger.
Therefore those skilled in the art are directed to developing a kind of displacement pump of the major-minor rotor without mechanical impact.
Utility model content
In view of the drawbacks described above of prior art, technical problem to be solved in the utility model is to provide a kind of major-minor and turned
The sub displacement pump without mechanical impact.
To achieve the above object, the utility model provides a kind of deformation scraping blade displacement pump, including housing；In the housing
Main rotor and secondary rotor are supported with by bearing；Scraping blade is provided with the main rotor；Being provided with the secondary rotor can be with institute
State the groove of scraping blade end cooperation；
The scraping blade includes the end face that can coordinate with the groove, and positioned at the end face both sides and the main rotor
The intersecting first side and second side of periphery；
The cross section of the groove is made up of the first end to end circular arc, the second circular arc and three-arc；Described first
The curvature of circular arc and three-arc is more than the curvature of the second circular arc；
In the rotary course of the main rotor and secondary rotor, the arc surface of the groove is entered from the end face of the scraping blade
Rise to the arc surface for leaving the groove and stop, the end face coordinates with the arc surface of the groove all the time.
Preferably, the first side and second side are arc surface.
Preferably, the radius of the first side and second side is 14-26mm.
Preferably, the first side and second side are symmetrical arranged.
Preferably, the curvature of first circular arc and three-arc is equal.
Preferably, the radius of first circular arc and three-arc is 6-12mm；The radius of second circular arc is 10-
16mm。
Preferably, the second central angle of second circular arc is equal to the 3rd central angle of the three-arc.
Preferably, the first central angle of first circular arc is 22 ° -26 °；Second central angle of second circular arc is
84°-88°；3rd central angle of the three-arc is 84 ° -88 °.
Preferably, first central angle is 24 °；Second central angle and the 3rd central angle are 86 °.
Preferably, the center of circle of first circular arc and three-arc respectively positioned at second circular arc two-end-point with it is described
On the line in the center of circle of the second circular arc.
Preferably, the curvature of the end face is more than the curvature of second circular arc.
The beneficial effects of the utility model are：The utility model makes pump during rotation, even if main rotor and secondary turn
Son shifts, and will not also produce shock therebetween, so that the power loss of pump is small, service life length, operating noise
It is small.
Brief description of the drawings
Fig. 1 is major-minor rotor crash situation schematic diagram in the prior art.
Fig. 2 is the structural representation of the embodiment of the utility model one.
Fig. 3 is Fig. 2 A-A sectional structure charts.
Fig. 4 is that Fig. 2 is B-B sectional structure charts.
Fig. 5 is the structural representation of secondary rotor in the embodiment of the utility model one.
Fig. 6 is the structural representation of working condition one in the embodiment of the utility model one.
Fig. 7 is the structural representation of working condition two in the embodiment of the utility model one.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Figures 2 to 4, a kind of deformation scraping blade displacement pump, including housing 1, master is supported with by bearing 2 in housing 1
Rotor 3 and secondary rotor 4, scraping blade 5 is provided with main rotor 3, the groove 6 that can coordinate with scraping blade end is provided with secondary rotor.
Scraping blade 5 includes the end face 5a that can coordinate with groove 6, and positioned at end face 5a both sides, the periphery phase with main rotor 3
The first side 5b and second side 5c of friendship.
First side 5b and second side 5c is symmetrically arranged arc surface.In the present embodiment, first side 5b and second
Side 5c radius is 20mm, in other embodiments, other values that the radius can also be between 14-26mm, with
Reach essentially identical technique effect.
As dotted line is distinguished in Fig. 5, the cross section of groove 6 is by the first end to end circular arc 6a, the second circular arc 6b and
Three-arc 6c is formed.First circular arc 6a and three-arc 6c curvature is more than the second circular arc 6b curvature, the first circular arc 6a and the
Three-arc 6c curvature is equal.The first circular arc 6a and three-arc 6c center of circle is respectively positioned at the second circular arc 6b two-end-point and the
On the line in the two circular arc 6b center of circle.
In the present embodiment, in the present embodiment, for submissiveer, the first circular arc 6a first center of circle that coordinates scraping blade and groove
Angle θ 1 is 24 °, and the second circular arc 6b the second central angle θ 2 is 86 °, and three-arc 6c the 3rd central angle θ 3 is 86 °.
In other embodiments, the other values between the first central angle θ 1 or 22 ° -26 °, the second central angle
Other values between θ 2 or 84 ° -88 °, the other values between the 3rd central angle θ 3 or 84 ° -88 °.
Submissiveer to coordinate scraping blade and groove in the present embodiment, the second central angle θ 2 is equal to the 3rd central angle θ 3.
In the present embodiment, the first circular arc 6a and three-arc 6c radius is 7mm；Second circular arc 6b radius is 11mm.
In other embodiments, the first circular arc 6a and three-arc 6c radius is alternatively 6-12mm other values, the second circle
Arc 6b radius is alternatively the other values between 10-16mm, to reach essentially identical technique effect.
In the present embodiment, to make scraping blade preferably be combined with groove, particularly after scraping blade end wear, there is certain benefit
The effect of repaying, the curvature of the end face 5a are more than the second circular arc 6b curvature.
As shown in Fig. 4, Fig. 6 and Fig. 7, during volume pump work, in the rotary course of main rotor 3 and secondary rotor 4, from scraping blade
The arc surface that 5 end face 5a enters groove 6 stops to the arc surface for leaving groove 6, and arc surfaces of the end face 5a all the time with groove 6 is matched somebody with somebody
Close.In this course, water is delivered to delivery port from the water inlet of housing, realizes that pressure conveys.Due to the shape to scraping blade 5 and
The particular design of camber line in groove 6, so that the both sides of the edge position of the edge of scraping blade 5 and groove 6 will not produce position punching
It is prominent, hit so as to trigger.
In the present embodiment, a main rotor and a secondary rotor are provided only with, can also in other embodiments
Two main rotors and secondary rotor engagement are set, while using the scraping blade and groove of said structure, to reach essentially identical technology
Effect.
In the present embodiment, two scraping blades and two grooves are provided only with, in other embodiments, can also be set
The above-mentioned scraping blade and groove of more than three, to reach essentially identical technique effect.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member makes many modifications and variations without creative work can according to design of the present utility model.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to design of the present utility model in domain
Available technical scheme is tested, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. one kind deformation scraping blade displacement pump, including housing (1)；Main rotor (3) and pair are supported with by bearing in the housing (1)
Rotor (4)；Scraping blade (5) is provided with the main rotor (3)；It is provided with what can be coordinated with the scraping blade end on the secondary rotor
Groove (6)；It is characterized in that：
The scraping blade (5) include can with the groove (6) coordinate end face (5a), and positioned at the end face (5a) both sides, with
The periphery of the main rotor (3) intersecting first side (5b) and second side (5c)；
The cross section of the groove (6) is by end to end the first circular arc (6a), the second circular arc (6b) and three-arc (6c) group
Into；The curvature of first circular arc (6a) and three-arc (6c) is more than the curvature of the second circular arc (6b)；
In the rotary course of the main rotor (3) and secondary rotor (4), enter from the end face of the scraping blade (5) (5a) described recessed
The arc surface of groove (6), which is risen to the arc surface for leaving the groove (6), to be stopped, the end face (5a) circle with the groove (6) all the time
Cambered surface coordinates.
2. deformation scraping blade displacement pump as claimed in claim 1, it is characterized in that：The first side (5b) and second side (5c)
It is arc surface.
3. deformation scraping blade displacement pump as claimed in claim 2, it is characterized in that：The first side (5b) and second side (5c)
Radius be 14-26mm.
4. deformation scraping blade displacement pump as claimed in claim 1, it is characterized in that：The first side (5b) and second side (5c)
It is symmetrical arranged.
5. deformation scraping blade displacement pump as claimed in claim 1, it is characterized in that：The song of first circular arc (6a) and three-arc (6c)
Rate is equal.
6. deformation scraping blade displacement pump as claimed in claim 1, it is characterized in that：Second central angle (θ of second circular arc (6b)
2) it is equal to the 3rd central angle (θ 3) of the three-arc (6c).
7. deformation scraping blade displacement pump as claimed in claim 1, it is characterized in that：First central angle (θ of first circular arc (6a)
1) it is 22 ° -26 °；The second central angle (θ 2) of second circular arc (6b) is 84 ° -88 °；The 3rd of the three-arc (6c)
Central angle (θ 3) is 84 ° -88 °.
8. deformation scraping blade displacement pump as claimed in claim 7, it is characterized in that：First central angle (θ 1) is 24 °；Described
Two central angles (θ 2) and the 3rd central angle (θ 3) are 86 °.
9. deformation scraping blade displacement pump as claimed in claim 1, it is characterized in that：First circular arc (6a) and three-arc (6c)
The center of circle respectively on the line in the center of circle of two-end-point and second circular arc (6b) of second circular arc (6b).
10. the deformation scraping blade displacement pump as described in claim 1 to 9 is any, it is characterized in that：The curvature of the end face (5a) is more than
The curvature of second circular arc (6b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720798714.0U CN207178203U (en) | 2017-07-03 | 2017-07-03 | Deform scraping blade displacement pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720798714.0U CN207178203U (en) | 2017-07-03 | 2017-07-03 | Deform scraping blade displacement pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178203U true CN207178203U (en) | 2018-04-03 |
Family
ID=61735714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720798714.0U Active CN207178203U (en) | 2017-07-03 | 2017-07-03 | Deform scraping blade displacement pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218214A (en) * | 2017-07-03 | 2017-09-29 | 重庆洪量泵业有限公司 | One kind deformation scraping blade displacement pump |
-
2017
- 2017-07-03 CN CN201720798714.0U patent/CN207178203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218214A (en) * | 2017-07-03 | 2017-09-29 | 重庆洪量泵业有限公司 | One kind deformation scraping blade displacement pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200106 Address after: 618300 No. 74, middle Taiwan Road, Guanghan, Sichuan, Deyang Patentee after: Sichuan Hongliang Lianchuang Technology Co.,Ltd. Address before: 401120, Yubei District, Chongqing Hing Avenue street, No. 456, Sanya Bay aquatic products trading market 11, 1-12 Patentee before: CHONGQING HONGLIANG PUMP INDUSTRY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230720 Address after: 618300 No. 16, Yangjiang Road, Guanghan City, Deyang City, Sichuan Province Patentee after: Sichuan Huasheng Shuzhong Technology Co.,Ltd. Address before: 618300 No. 74 Taizhong Road, Guanghan City, Deyang City, Sichuan Province Patentee before: Sichuan Hongliang Lianchuang Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |