CN203655598U - Spherical hinge for hydraulic pump - Google Patents
Spherical hinge for hydraulic pump Download PDFInfo
- Publication number
- CN203655598U CN203655598U CN201320776514.7U CN201320776514U CN203655598U CN 203655598 U CN203655598 U CN 203655598U CN 201320776514 U CN201320776514 U CN 201320776514U CN 203655598 U CN203655598 U CN 203655598U
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- CN
- China
- Prior art keywords
- ball
- communicated
- hydraulic pump
- arc
- spherical shell
- 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 - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a spherical hinge for a hydraulic pump. The spherical hinge for the hydraulic pump comprises an annular mounting seat. One side of the annular mounting seat extends along the peripheral edge to be provided with a hollow ball table, a connecting opening is formed in the end of the hollow ball table, and the hollow ball table comprises a ball shell which is integrally connected with the peripheral edge of the annular mounting seat and a ball cavity corresponding to the ball shell. One end of the ball cavity is communicated with the annular mounting seat, the other end of the ball cavity is communicated with the connecting opening, a plurality of circular-arc-shaped grooves are formed in the outer surface of the ball shell, and a plurality of oil holes which are in corresponding fit with the circular-arc-shaped grooves are formed in the ball shell. One ends of the oil holes are communicated with the circular-arc-shaped grooves, and the other ends of the oil holes are communicated with the ball cavity. When the spherical hinge for the hydraulic pump is matched with a return plate for working, oil liquid in the ball cavity flows into the circular-arc-shaped grooves through the oil holes, the inner spherical face, in contact with the ball shell, of the return plate is lubricated, relative friction is reduced, abrasion is lowered, heat radiating performance is improved, and the service life is prolonged.
Description
Technical field
The utility model relates to ball pivot technical field, particularly a kind of ball pivot for oil hydraulic pump.
Background technique
Ball pivot is a kind of element being widely used in robot or machining equipment, wherein, for the ball pivot of oil hydraulic pump usually with return plate cooperating.Return plate is connected with the sphere that contacts of ball pivot, when work, return plate and ball pivot contact the centre of sphere High Rotation Speed of sphere around ball pivot, and do oscillating motion with swing mechanism.In prior art, return plate and ball pivot to contact between sphere friction larger, make return plate and ball pivot contact sphere work time easily generate heat, cause wearing and tearing more serious.
Model utility content
The purpose of this utility model is for the defect of prior art and deficiency, provide a kind of simple and reasonable, friction is less, be difficult for the ball pivot for oil hydraulic pump of heating and wearing and tearing.
For achieving the above object, the utility model is by the following technical solutions: a kind of ball pivot for oil hydraulic pump, comprise ring-type fitting seat, one side of described ring-type fitting seat is extended and is provided with hollow billiard table along periphery, the end of described hollow billiard table is provided with connection mouth, described hollow billiard table comprises the spherical shell being connected with ring-type fitting seat periphery one, the ball chamber corresponding with spherical shell, one end, described ball chamber is communicated with described ring-type fitting seat, the other end in the ball chamber that makes is communicated with described connection mouth, described spherical shell outer surface is provided with some arc grooves, described spherical shell inside is provided with some and oilhole arc groove corresponding matching, described oilhole one end is communicated with described arc groove, the other end of described oilhole is communicated with described ball chamber.
Further, the quantity of described some arc grooves and some oilholes is two, and described two arc grooves are symmetrically set in described spherical shell outer surface.
Further, described two oilholes are positioned on same axis.
Further, the radius of described arc groove and the radius of oilhole are 0.5 millimeter.
The beneficial effects of the utility model are: the end at hollow billiard table arranges connection mouth, one end, ball chamber is communicated with described ring-type fitting seat, the other end in ball chamber is communicated with described connection mouth, described spherical shell outer surface is provided with some arc grooves, described spherical shell inside is provided with some and oilhole arc groove corresponding matching, described oilhole one end is communicated with described arc groove, and the other end of described oilhole is communicated with described ball chamber.The utility model is installed and is connected with connection mouth by ring-type fitting seat, in the time of the utility model and return plate cooperating, fluid in oil hydraulic pump oil circuit can enter in ball chamber by connection mouth, and flow in arc groove by oilhole, and then lubricated to the inner ball surface contacting with spherical shell on return plate, reduce friction relatively, wearing and tearing reduce, improve heat dispersion, improved working life.The utility model structure arranges rationally.
Accompanying drawing explanation
Fig. 1 is overall sectional view structural representation of the present utility model.
Fig. 2 is local structure for amplifying schematic diagram of the present utility model.
Fig. 3 is structural representation under the utility model and return plate cooperating state.
In figure: 10 ring-type fitting seats, 20 hollow billiard tables, 21 connection mouths, 22 spherical shells, 23 ball chambeies, 221 arc grooves, 222 oilholes, 30 return plates.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1 to Figure 2, a kind of ball pivot for oil hydraulic pump, comprise ring-type fitting seat 10, one side of described ring-type fitting seat 10 is extended and is provided with hollow billiard table 20 along periphery, the end of described hollow billiard table 20 is provided with connection mouth 21, by ring-type fitting seat 10, the utility model is arranged on oil hydraulic pump, connection mouth 21 is connected with the oil circuit of oil hydraulic pump.
Described hollow billiard table 20 comprises the spherical shell 22 that connects with ring-type fitting seat 10 periphery one, the corresponding ball chamber 23 with spherical shell 22,23 one end, described ball chamber are communicated with described ring-type fitting seat 10, the other end in described ball chamber 23 is communicated with described connection mouth 21, in the time of hydraulic pump works, the fluid in oil circuit enters in ball chamber 23 by connection mouth 21.
Described spherical shell 22 outer surfaces are provided with some arc grooves 221, described spherical shell 22 inside are provided with some and oilholes 222 arc groove 221 corresponding matching, specifically, the quantity of described some arc grooves 221 and some oilholes 222 is two, described two arc grooves 221 are symmetrically set in described spherical shell 22 outer surfaces, described oilhole 222 one end are communicated with described arc groove 221, and the other end of described oilhole 222 is communicated with described ball chamber 23.
As shown in Figure 3, in the time of the utility model and return plate 30 cooperating, the fluid in ball chamber 23 flows in arc groove 221 by oilhole 222, and then lubricated to the inner ball surface contacting with spherical shell 22 on return plate 30, reduce friction relatively, reduce wearing and tearing, improve heat dispersion, improved working life.
Described two oilholes 222 are positioned on same axis, guarantee that fluid is identical at the flow velocity of two oilholes 222, are conducive to lubrication effect.The radius of the radius of described arc groove 221 and oilhole 222 is 0.5 millimeter, has guaranteed the size of fluid flow, is conducive to lubrication effect.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (4)
1. the ball pivot for oil hydraulic pump, it is characterized in that: comprise ring-type fitting seat, one side of described ring-type fitting seat is extended and is provided with hollow billiard table along periphery, the end of described hollow billiard table is provided with connection mouth, described hollow billiard table comprises the spherical shell being connected with ring-type fitting seat periphery one, the ball chamber corresponding with spherical shell, one end, described ball chamber is communicated with described ring-type fitting seat, the other end in described ball chamber is communicated with described connection mouth, described spherical shell outer surface is provided with some arc grooves, described spherical shell inside is provided with some and oilhole arc groove corresponding matching, described oilhole one end is communicated with described arc groove, the other end of described oilhole is communicated with described ball chamber.
2. the ball pivot for oil hydraulic pump according to claim 1, is characterized in that: the quantity of described some arc grooves and some oilholes is two, and described two arc grooves are symmetrically set in described spherical shell outer surface.
3. the ball pivot for oil hydraulic pump according to claim 2, is characterized in that: described two oilholes are positioned on same axis.
4. the ball pivot for oil hydraulic pump according to claim 1, is characterized in that: the radius of described arc groove and the radius of oilhole are 0.5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320776514.7U CN203655598U (en) | 2013-12-02 | 2013-12-02 | Spherical hinge for hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320776514.7U CN203655598U (en) | 2013-12-02 | 2013-12-02 | Spherical hinge for hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203655598U true CN203655598U (en) | 2014-06-18 |
Family
ID=50921991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320776514.7U Expired - Lifetime CN203655598U (en) | 2013-12-02 | 2013-12-02 | Spherical hinge for hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203655598U (en) |
-
2013
- 2013-12-02 CN CN201320776514.7U patent/CN203655598U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Jiangbei District, Zhejiang city of Ningbo Province China 315021 Street No. 195 Patentee after: SKS HYDRAULIC TECHNOLOGY CO.,LTD. Address before: Jiangbei District, Zhejiang city of Ningbo Province China 315000 Street No. 195 Patentee before: NINGBO WIDE SKY SKS HYDRAULIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |