CN201621064U - Double-rotary direction gear pump - Google Patents
Double-rotary direction gear pump Download PDFInfo
- Publication number
- CN201621064U CN201621064U CN2010201364074U CN201020136407U CN201621064U CN 201621064 U CN201621064 U CN 201621064U CN 2010201364074 U CN2010201364074 U CN 2010201364074U CN 201020136407 U CN201020136407 U CN 201020136407U CN 201621064 U CN201621064 U CN 201621064U
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- China
- Prior art keywords
- oil
- oil outlet
- inlet hole
- oil inlet
- pump
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- Expired - Fee Related
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Abstract
The utility model belongs to a hydraulic element, especially relates to a double-rotary direction gear pump, which comprises a pump body (1), an oil outlet (1-1), an oil inlet (1-2), a pump cap (2), a splined spindle (3), a drive gear (4), a deep groove ball bearing (7), an oil inlet hole (19-1) and an oil outlet hole (19-2) are arranged on the pump cap (2), an oil return channel (19) is arranged between the oil inlet hole (19-1) and the oil outlet hole (19-2), the oil return channel (19) is communicated with D zones of right ends of two slide bearings, the reducing connecting line of the oil inlet hole (19-1) and the oil outlet hole (19-2) forms an included angle of alpha with the horizontal direction, the alpha angle is 30 degrees, one steel ball (18) is provided at the reducing position of the oil inlet hole (19-1) and the oil outlet hole (19-2), the double-rotary direction gear pump can change the phenomenon that the reverse connection direction can result in the product damage, thereby greatly reducing the cost and enabling the operation to be convenient.
Description
Technical field
The utility model belongs to hydraulic element, particularly a kind of double rotational directions gear pump.
Background technique
At present, the gear pump of Sheng Chaning is single rotation direction gear pump at home, just has only the gear pump that can turn clockwise or be rotated counterclockwise, if this product is the direction wrong in use, will make damage of product, to this product can not be used, and produce and using process in have many inconveniences.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, and a kind of double rotational directions gear pump simple in structure, safe and reliable, easy to use is provided.
The technological scheme that the utility model technical solution problem adopts is: the double rotational directions gear pump comprises the pump housing, oil outlet, filler opening, pump cover, splined shaft, driving gear, deep groove ball bearing, driven gear, sliding bearing, side plate, locating stud, be characterized on pump cover, being provided with an oil inlet hole and an oil outlet, be provided with drainback passage between oil inlet hole and the oil outlet, drainback passage communicates with the D district of two sliding bearing right-hand members in the pump cover, the reducing line of oil inlet hole and oil outlet and horizontal sextant angle are α, the α angle is 30 °, be provided with a steel ball at oil inlet hole and oil outlet reducing place, be respectively equipped with a valve that is threaded with oil inlet hole and oil outlet in the upper end of oil inlet hole and oil outlet stifled, and valve blocks up and is provided with two valve plug-holes.
The beneficial effects of the utility model are: thus the double rotational directions gear pump has changed because of rotation direction and has connect the phenomenon that makes damage of product on the contrary, in process of manufacture, also reduced simultaneously the part kind that increases because of sense of rotation, greatly reduce cost, make operation more convenient.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 is a double rotational directions gear pump structure plan view.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 2.
Fig. 4 is the partial sectional view of the C-C of Fig. 3.
Among the figure, the 1-pump housing; The 1-1-oil outlet; The 1-2-filler opening; The 2-pump cover; The 3-splined shaft; The 4-driving gear; The 5-pressure pad; The 6-outside framework oil seal; The 7-deep groove ball bearing; 8-circlip for hole one; The 9-circlip for shaft; 10-circlip for hole two; 11-abnormity back-up ring; The 12-driven gear; 12-1-driven gear central through bore; The 13-sliding bearing; The 14-side plate; The 15-locating stud; The 16-fixing bolt; The 16-1-lock washer; The 17-valve is stifled; 17-1-valve plug-hole; The 18-steel ball; The 19-drainback passage; The 19-1-oil inlet hole; The 19-2-oil outlet; α-reducing line and horizontal sextant angle; D-low pressure oil district;
Embodiment
Embodiment, with reference to accompanying drawing 1～4, the left end of the pump housing 1 of double rotational directions gear pump is provided with an oil outlet 1-1, right-hand member is provided with a filler opening 1-2, the inner chamber left side of the pump housing 1 is fixed with two sliding bearings 13 respectively, be movably equipped with a figure of eight side plate 14 on the right side of two sliding bearings 13, the left end shaft of driving gear 4 and driven gear 12 is installed on respectively in sliding bearing 13 and the side plate 14 corresponding holes, driven gear 12 is provided with central through bore 12-1, is driven gear 12 left and right low pressure oil district D intercommunicating porosities.Another side plate 14 is set on the axle of driving gear 4 and driven gear 12 right-hand members, and driving gear 4 and driven gear 12 are connected with a joggle.Be fixed with a sliding bearing 13 respectively in pump cover 2 inner chambers and driving gear 4 and the corresponding hole of driven gear 12 right-hand member shafts, pump cover 2 is provided with an oil inlet hole 19-1 and an oil outlet 19-2, be provided with drainback passage 19 between oil inlet hole 19-1 and the oil outlet 19-2, drainback passage 19 communicates with the D district of two sliding bearing 13 right-hand members in the pump cover 2, the reducing line of oil inlet hole 19-1 and oil outlet 19-2 and water water angle α, the α angle is 30 °, the reducing place is provided with a steel ball 18 respectively in oil inlet hole 19-1 and oil outlet 19-2, be respectively equipped with a valve that is threaded in the upper end of oil inlet hole 19-1 and oil outlet 19-2 and block up 17, valve stifled 17 is provided with two valve plug-hole 17-1.The pump housing 1 and pump cover 2 are locked by eight fixing bolts 16 and lock washer 16-1, use seal with O ring, with four locating studs 15 location, between the pump housing 1 and the pump cover 2 and be provided with special-shaped back-up ring 11.Suit outside framework oil seal 6 successively on the right-hand axis of the bearing shoulder of driving gear 4, pressure pad 5, hole elasticity adapter ring 2 10, outside framework oil seal 6, suit deep groove ball bearing 7 on the splined shaft 3, in the axial trough of the left side of deep groove ball bearing 7, be provided with a circlip for shaft 9, the left end inner spline housing of splined shaft 3 is contained on the male splined shaft of driving gear 4 right-hand members, the outer shroud of deep groove ball bearing 7 is installed in the bearing hole of pump cover 2 right-hand members, spacing with circlip for hole 1, when sense of rotation changes, filler opening 1-2 and oil outlet 1-1 exchange, oil inlet hole 19-1 and oil outlet 19-2 also exchange simultaneously, realize two-way spinfunction.
Claims (1)
1. double rotational directions gear pump, comprise the pump housing (1), oil outlet (1-1), filler opening (1-2), pump cover (2), splined shaft (3), driving gear (4), deep groove ball bearing (7), driven gear (12), sliding bearing (13), side plate (14), locating stud (15), it is characterized in that on pump cover (2), being provided with an oil inlet hole (19-1) and an oil outlet (19-2), be provided with drainback passage (19) between oil inlet hole (19-1) and the oil outlet (19-2), drainback passage (19) communicates with the D district of two sliding bearing right-hand members in the pump cover (2), the reducing line of oil inlet hole (19-1) and oil outlet (19-2) and horizontal sextant angle are α, the α angle is 30 °, be provided with a steel ball (18) at oil inlet hole (19-1) and oil outlet (19-2) reducing place, be respectively equipped with a valve that is threaded with oil inlet hole (19-1) and oil outlet (19-2) stifled (17) in the upper end of oil inlet hole (19-1) and oil outlet (19-2), valve stifled (17) is provided with two valve plug-holes (17-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201364074U CN201621064U (en) | 2010-03-18 | 2010-03-18 | Double-rotary direction gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201364074U CN201621064U (en) | 2010-03-18 | 2010-03-18 | Double-rotary direction gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201621064U true CN201621064U (en) | 2010-11-03 |
Family
ID=43024519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201364074U Expired - Fee Related CN201621064U (en) | 2010-03-18 | 2010-03-18 | Double-rotary direction gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201621064U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705230A (en) * | 2012-05-09 | 2012-10-03 | 苏州百胜动力机器有限公司 | Gear pump |
| CN103256220A (en) * | 2013-05-07 | 2013-08-21 | 中联重科股份有限公司 | Gear pump and engineering machine |
| CN104564654A (en) * | 2013-10-15 | 2015-04-29 | 上海裕顺机械厂 | Low-noise long-life turning internal gear pump and manufacturing method thereof |
| CN106523357A (en) * | 2016-12-01 | 2017-03-22 | 徐州科源液压股份有限公司 | Bearing lubricating structure of two-way gear oil pump |
| CN109083838A (en) * | 2018-07-31 | 2018-12-25 | 合肥集源穗意液压技术股份有限公司 | A kind of high-efficiency oil-return, decompression preceding lid mechanism |
-
2010
- 2010-03-18 CN CN2010201364074U patent/CN201621064U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705230A (en) * | 2012-05-09 | 2012-10-03 | 苏州百胜动力机器有限公司 | Gear pump |
| CN102705230B (en) * | 2012-05-09 | 2015-09-02 | 苏州百胜动力机器股份有限公司 | A kind of gear pump |
| CN103256220A (en) * | 2013-05-07 | 2013-08-21 | 中联重科股份有限公司 | Gear pump and engineering machine |
| CN103256220B (en) * | 2013-05-07 | 2016-04-20 | 中联重科股份有限公司 | Gear pump and engineering machinery |
| CN104564654A (en) * | 2013-10-15 | 2015-04-29 | 上海裕顺机械厂 | Low-noise long-life turning internal gear pump and manufacturing method thereof |
| CN106523357A (en) * | 2016-12-01 | 2017-03-22 | 徐州科源液压股份有限公司 | Bearing lubricating structure of two-way gear oil pump |
| CN109083838A (en) * | 2018-07-31 | 2018-12-25 | 合肥集源穗意液压技术股份有限公司 | A kind of high-efficiency oil-return, decompression preceding lid mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20110318 |