CN205101221U - Compensation formula inner gearing high -pressure gear pump - Google Patents
Compensation formula inner gearing high -pressure gear pump Download PDFInfo
- Publication number
- CN205101221U CN205101221U CN201520816360.9U CN201520816360U CN205101221U CN 205101221 U CN205101221 U CN 205101221U CN 201520816360 U CN201520816360 U CN 201520816360U CN 205101221 U CN205101221 U CN 205101221U
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- CN
- China
- Prior art keywords
- gear
- swing link
- pump
- ring gear
- protecgulum
- 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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- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model belongs to the hydraulic component of machinery trade, in particular to compensation formula inner gearing high -pressure gear pump, including the pump body (4), protecgulum (6), gear shaft (7), ring gear (2), skeleton oil blanket (8), locating pin (1), pillar (11), be equipped with swing link (12) between gear on gear shaft (7) of its characterized in that in ring gear (2) and ring gear (2), swing link two (13), be equipped with spring leaf (14) between two (13) at swing link (12) and swing link, two lateral surfaces of the gear engagement department on ring gear (2) and gear shaft (7) are equipped with epipleural (9) and lower side panel (10), compensation formula inner gearing high -pressure gear pump has overcome the not good problem of crescent gear pump compensation, the work efficiency who makes the gear pump obtains improving, owing to adopt the bearing of special material, the life -span that makes the gear pump increases, sealing performance is good, low noise, can satisfy hydraulic equipment's demand.
Description
Technical field
The utility model belongs to the hydraulic element of machinery industry, particularly the compensation internal-clutch high-pressure gear pump of one.
Background technique
Crescent gear pump is compared with external gear pump, the feature such as have that Pulse of flow and pressure is little, noise is low and the life-span is long, at present, the crescent gear pump of domestic use, ubiquity radial direction at work, nose balance is bad, efficiency is low, working life is short phenomenon, can not meet the requirement of equipment.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, provides one to improve compensation effect, good seal, the compensation internal-clutch high-pressure gear pump of long service life.
The technological scheme that the utility model technical solution problem adopts is: compensation internal-clutch high-pressure gear pump comprises the pump housing, protecgulum, gear shaft, ring gear, outside framework oil seal, locating stud, pillar, be characterized in being provided with swing link one between gear on the gear shaft in ring gear and ring gear, swing link two, spring sheet is provided with between swing link one and swing link two, two outer side surfaces at the gears meshing place on ring gear and gear shaft are equipped with epipleural and lower side panel, angie type epipleural compensating groove and lower side panel compensating groove is provided with at the working surface of epipleural and lower side panel, protecgulum and pump housing working surface are provided with protecgulum compensating basin and pump housing compensating basin, protecgulum is provided with seal groove with pump housing joint.
The beneficial effects of the utility model are: compensation internal-clutch high-pressure gear pump overcomes crescent gear pump and compensates bad problem, the working efficiency of gear pump is improved, owing to adopting the bearing of special substance, the life-span of gear pump is increased, good seal performance, noise is low, can meet the demand of hydraulic equipment.
Accompanying drawing explanation
Illustrate with embodiment below in conjunction with accompanying drawing.
Fig. 1 is compensation internal-clutch high-pressure gear pump structure sectional view.
Fig. 2 is ring gear and gear shaft engagement figure in Fig. 1.
Fig. 3 is epipleural structural drawing in Fig. 1.
Fig. 4 is lower side panel structural drawing in Fig. 1.
Fig. 5 is front-cover structure figure in Fig. 1.
Fig. 6 is Fig. 1 middle pump body structural drawing.
In figure, 1-locating stud; 2-ring gear; 3-O shape seal ring; The 4-pump housing; 4-1-pump housing compensating basin; 5-DU bearing; 6-protecgulum; 6-1-protecgulum compensating basin; 6-2-seal groove; 7-gear shaft; 8-outside framework oil seal; 9-epipleural; 9-1-epipleural compensating groove; 10-lower side panel; 10-1-lower side panel compensating groove; 11-pillar; 12-swing link one; 13-swing link two; 14-spring sheet.
Embodiment
Embodiment, with reference to accompanying drawing 1 ~ 6, compensation internal-clutch high-pressure gear pump is fixed with epipleural 9 and lower side panel 10 with locating stud 1 and pillar 11 in the pump housing 4 chamber, install with pillar 11 between epipleural 9 and lower side panel 10 and be provided with ring gear 2, in the external gear section of ring gear 2 built with gear shaft 7, gear shaft 7 is installed in the pump housing 4 and protecgulum 6, and at gear shaft 7 periphery suit DU bearing 5.The protecgulum 6 at the pump housing 4 and protecgulum 6 surface of contact place is provided with seal groove 6-2, at seal groove 6-2 built with O-ring seals 3.In the outer end of protecgulum 6, face is provided with outside framework oil seal 8 with gear shaft 7 joint.Gear on gear shaft 7 and be provided with swing link 1 and swing link 2 13 between ring gear 2, is provided with spring sheet 14 between swing link 1 and swing link 2 13.Be provided with epipleural compensating groove 9-1 at epipleural 9 working surface upper and lower, position corresponding with epipleural compensating groove 9-1 below the working surface of lower side panel 10 is provided with lower side panel compensating groove 10-1.On the pump housing 4, corresponding ring gear 2 place is provided with pump housing compensating basin 4-1, and protecgulum 6 is provided with protecgulum compensating basin 6-1, at compensating basin groove built with cushion rubber with 4-1 corresponding part, pump housing compensating basin.The pump housing 4 and protecgulum 6 are located together with rear bolt, fastening nuts with locating stud 1.
The working principle of compensation internal-clutch high-pressure gear pump is: compensating basin 4-1,6-1 on the working surface of the pump housing 4 with protecgulum 6 can make epipleural 9 with the seal ring 3 on pump cover 6 and the square cushion rubber in compensating basin groove, lower side panel 10 fully contacts with gear face, realizes the automatic compensation function of axial clearance sealing.Spring sheet 14 between the swing link 1 installed between gear and ring gear 2 and swing link 2 13, can make swing link press to the top circle of the gear on the root circle of ring gear 2 and gear shaft 7 respectively, also can realize the automatic compensation function of radial clearance seals.
Claims (2)
1. a compensation internal-clutch high-pressure gear pump, comprise the pump housing (4), protecgulum (6), gear shaft (7), ring gear (2), outside framework oil seal (8), locating stud (1), pillar (11), it is characterized in that being provided with swing link one (12) between gear on the gear shaft (7) in ring gear (2) and ring gear (2), swing link two (13), spring sheet (14) is provided with between swing link one (12) and swing link two (13), two outer side surfaces at the gears meshing place on ring gear (2) and gear shaft (7) are equipped with epipleural (9) and lower side panel (10).
2. compensation internal-clutch high-pressure gear pump according to claim 1, it is characterized in that being provided with angie type epipleural compensating groove (9-1) and lower side panel compensating groove (10-1) at the working surface of epipleural (9) and lower side panel (10), protecgulum (6) and the pump housing (4) working surface are provided with protecgulum compensating basin (6-1) and pump housing compensating basin (4-1), and at protecgulum (6), the upper and pump housing (4) joint is provided with seal groove (6-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816360.9U CN205101221U (en) | 2015-10-22 | 2015-10-22 | Compensation formula inner gearing high -pressure gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816360.9U CN205101221U (en) | 2015-10-22 | 2015-10-22 | Compensation formula inner gearing high -pressure gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101221U true CN205101221U (en) | 2016-03-23 |
Family
ID=55517003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520816360.9U Expired - Fee Related CN205101221U (en) | 2015-10-22 | 2015-10-22 | Compensation formula inner gearing high -pressure gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205101221U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676255A (en) * | 2017-10-20 | 2018-02-09 | 南京蒙福液压机械有限公司 | One kind has pressure compensated crescent gear pump |
| CN109340102A (en) * | 2018-12-03 | 2019-02-15 | 湖北海蓝装备科技有限公司 | High pressure crescent gear pump |
| WO2019071982A1 (en) * | 2017-10-13 | 2019-04-18 | 南京蒙福液压机械有限公司 | Hydraulic internal gear pump |
-
2015
- 2015-10-22 CN CN201520816360.9U patent/CN205101221U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019071982A1 (en) * | 2017-10-13 | 2019-04-18 | 南京蒙福液压机械有限公司 | Hydraulic internal gear pump |
| CN107676255A (en) * | 2017-10-20 | 2018-02-09 | 南京蒙福液压机械有限公司 | One kind has pressure compensated crescent gear pump |
| CN109340102A (en) * | 2018-12-03 | 2019-02-15 | 湖北海蓝装备科技有限公司 | High pressure crescent gear pump |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20191022 |