CN204572443U - Gear oil pump - Google Patents
Gear oil pump Download PDFInfo
- Publication number
- CN204572443U CN204572443U CN201520280884.0U CN201520280884U CN204572443U CN 204572443 U CN204572443 U CN 204572443U CN 201520280884 U CN201520280884 U CN 201520280884U CN 204572443 U CN204572443 U CN 204572443U
- Authority
- CN
- China
- Prior art keywords
- counter flange
- flange block
- oil
- oil outlet
- pump housing
- 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
Links
- 239000012208 gear oil Substances 0.000 title claims abstract description 16
- 239000003921 oil Substances 0.000 claims abstract description 43
- 239000012530 fluid Substances 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 description 4
- 210000003660 reticulum Anatomy 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
Abstract
Gear oil pump, comprise the pump housing, be individually fixed in the protecgulum at the two ends of the pump housing and bonnet and the driving gear shaft be installed in the pump housing and driven gear shaft, driving gear shaft is fixed with driving gear, driven gear shaft is fixed with driven gear, the side external surface being provided with oil outlet of the pump housing is provided with counter flange block by bolt, counter flange block is provided with the oil outlet be connected with oil outlet, oil outlet is along the through counter flange block of thickness direction of counter flange block, the bottom of counter flange block has the safety valve mounting hole be connected with oil outlet, in safety valve mounting hole, safety valve is installed, counter flange block is also provided with the oil leak hole be connected with the pressure relief opening of safety valve.The utility model, by installing counter flange block, produces the installing space of safety valve, reasonable in design, changes little, when the pressure in the pump housing exceedes ability to bear, get rid of a part of fluid by safety valve and oil leak hole to equipment, thus reduces the pressure in the pump housing.
Description
Technical field
The utility model relates to a kind of gear oil pump.
Background technique
Gear oil pump is applicable to carry the various liquid having lubricity, is widely used in many mechanical systems.Traditional gear oil pump, comprise the pump housing, be individually fixed in the protecgulum at the two ends of the pump housing and bonnet and the driving gear shaft be installed in the pump housing and driven gear shaft, driving gear shaft is fixed with driving gear, driven gear shaft is fixed with driven gear, and driving gear and driven gear form engagement driving.Generally, the setting pressure of mechanical system is higher, and driving gear shaft easily produces fracture in long-time high-voltage operation situation, not only destroys the normal operation of mechanical system, and maintenance takes time and effort, and delays production.
Model utility content
Technical problem to be solved in the utility model be to provide a kind of can the gear oil pump of step-down voluntarily when pressure exceedes ability to bear.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme: gear oil pump, comprise the pump housing (1), be individually fixed in the protecgulum (11) at the two ends of the pump housing (1) and bonnet (12) and the driving gear shaft (2) be installed in the pump housing (1) and driven gear shaft (3), driving gear shaft (2) is fixed with driving gear (21), driven gear shaft (3) is fixed with driven gear (31), driving gear (21) and driven gear (31) form engagement driving, the side external surface being provided with oil outlet of the pump housing (1) is provided with counter flange block (5) by bolt (4), counter flange block (5) is provided with the oil outlet (51) be connected with oil outlet, oil outlet (51) is along the through counter flange block (5) of thickness direction of counter flange block (5), the bottom of counter flange block (5) has the safety valve mounting hole (52) be connected with oil outlet (51), safety valve (6) is installed in safety valve mounting hole (52), counter flange block (5) is also provided with the oil leak hole (54) be connected with the pressure relief opening of safety valve (6).
The beneficial effects of the utility model are: the utility model is by installing counter flange block (5), produce the installing space of safety valve (6), reasonable in design, change little to equipment, when the pressure in the pump housing (1) exceedes ability to bear, a part of fluid is got rid of by safety valve (6) and oil leak hole (54), thus the pressure reduced in the pump housing (1), prevent driving gear shaft (2) from rupturing, increase the working life of gear oil pump, and enhance productivity; In addition model utility structure simple, be easy to manufacture.
Further, the top of counter flange block (5) has the pressure tap (53) be connected with oil outlet (51), is connected with plug screw (7) in pressure tap (53).Arrange pressure tap (53) conveniently to monitor the pressure in gear oil pump.
Further, driving gear shaft (2) stretches out protecgulum (11), oil seal (8) is installed between driving gear shaft (2) and protecgulum (11), protecgulum (11) is rounded, the front-end face of protecgulum (11) has the step hole (111) for holding plunger pump connecting end, the outer wall of protecgulum (11) is provided with the radial flange (112) of ring, radial flange (112) has the seal ring mounting groove (113) of ring and multiple mounting hole (114) for being fixed on by protecgulum (11) by bolt on plunger pump, multiple mounting hole (114) is positioned at the periphery of seal ring mounting groove (113).Adopt said structure, the utility model can be applied to slusher cooling system, for the gear motor fuel feeding of slusher cooling system, the power taking mouth of slusher cooling system is limited, therefore gear oil pump can only be connected on plunger pump, and by plunger pump transmission, plunger pump is generally circular, therefore adopts said structure that the utility model can be facilitated to connect with the plunger pump of slusher cooling system.
Accompanying drawing explanation
Fig. 1 is the plan view of the utility model one embodiment.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is that A-A is to sectional view.
Fig. 4 is the rear view of the counter flange block in the utility model one embodiment.
Fig. 5 is the worm's eye view of Fig. 4.
Fig. 6 is the left view of Fig. 4.
Fig. 7 is that B-B is to sectional view.
Fig. 8 is that C-C is to sectional view.
Fig. 9 is that D-D is to sectional view.
Being labeled as of each parts in accompanying drawing: 1 pump housing, 11 protecgulums, 111 step holes, 112 radial flanges, 113 seal ring mounting grooves, 114 mounting holes, 12 bonnets, 2 driving gear shafts, 3 driven gear shafts, 21 driving gears, 31 driven gears, 4 bolts, 5 counter flange blocks, 51 oil outlets, 52 safety valve mounting holes, 53 pressure taps, 54 oil leak hole, 6 safety valves, 7 plug screws, 8 oil seals.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
See Fig. 1 to Fig. 9.
The gear oil pump of the utility model one embodiment, comprise the pump housing 1, be individually fixed in the protecgulum 11 at the two ends of the pump housing 1 and bonnet 12 and the driving gear shaft 2 be installed in the pump housing 1 and driven gear shaft 3, driving gear shaft 2 is fixed with driving gear 21, driven gear shaft 3 is fixed with driven gear 31, driving gear 21 and driven gear 31 form engagement driving, the side external surface being provided with oil outlet of the pump housing 1 is provided with counter flange block 5 by bolt 4, counter flange block 5 is provided with the oil outlet 51 be connected with oil outlet, oil outlet 51 is along the through counter flange block 5 of thickness direction of counter flange block 5, the bottom of counter flange block 5 has the safety valve mounting hole 52 be connected with oil outlet 51, safety valve 6 is installed in safety valve mounting hole 52, the top of counter flange block 5 has the pressure tap 53 be connected with oil outlet 51, plug screw 7 is connected with in pressure tap 53, counter flange block 5 is also provided with the oil leak hole 54 be connected with the pressure relief opening of safety valve 6,
Counter flange block 5 is rectangular block shape, oil outlet 51 is positioned at the position on the upper side, middle part of counter flange block 5, left and right sides counter flange block 5 being positioned at oil outlet 51 is respectively equipped with two for the countersunk head through hole 55 by bolt 4, being positioned at oil outlet 51 periphery with the pump housing 1 surface of contact and having a ring annular groove 56 of counter flange block 5, in order to install seal ring, prevent leakage of oil;
Driving gear shaft 2 stretches out protecgulum 11, oil seal 8 is installed between driving gear shaft 2 and protecgulum 11, protecgulum 11 is rounded, the front-end face of protecgulum 11 has the step hole 111 for holding plunger pump connecting end, the outer wall of protecgulum 11 is provided with the radial flange 112 of ring, radial flange 112 has the seal ring mounting groove 113 of ring and multiple mounting hole 114 for being fixed on by protecgulum 11 by bolt on plunger pump, multiple mounting holes 114 are positioned at the periphery of seal ring mounting groove 113.
The working procedure of the gear oil pump of the utility model one embodiment is: during use, the utility model is installed in mechanical system, oil outlet 51 and mechanical system is made to be tightly connected, under the driving of driving mechanism, driving gear 21 drives driven gear 31 to rotate, thus suck fluid and the oil outlet of fluid from the pump housing 1 is got rid of, the fluid of discharging enters in mechanical system via oil outlet 51 then, when the pressure in the pump housing 1 is suitable, fluid all enters mechanical system, when the pressure in the pump housing 1 exceedes ability to bear, a part of fluid is got rid of by safety valve 6 and oil leak hole 54, thus the pressure reduced in the pump housing 1, prevent the fracture of driving gear shaft 2.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. gear oil pump, comprise the pump housing (1), be individually fixed in the protecgulum (11) at the two ends of the pump housing (1) and bonnet (12) and the driving gear shaft (2) be installed in the pump housing (1) and driven gear shaft (3), driving gear shaft (2) is fixed with driving gear (21), driven gear shaft (3) is fixed with driven gear (31), driving gear (21) and driven gear (31) form engagement driving, it is characterized in that: the side external surface being provided with oil outlet of the pump housing (1) is provided with counter flange block (5) by bolt (4), counter flange block (5) is provided with the oil outlet (51) be connected with oil outlet, oil outlet (51) is along the through counter flange block (5) of thickness direction of counter flange block (5), the bottom of counter flange block (5) has the safety valve mounting hole (52) be connected with oil outlet (51), safety valve (6) is installed in safety valve mounting hole (52), counter flange block (5) is also provided with the oil leak hole (54) be connected with the pressure relief opening of safety valve (6).
2. gear oil pump as claimed in claim 1, it is characterized in that: the top of counter flange block (5) has the pressure tap (53) be connected with oil outlet (51), is connected with plug screw (7) in pressure tap (53).
3. gear oil pump as claimed in claim 1 or 2, it is characterized in that: driving gear shaft (2) stretches out protecgulum (11), oil seal (8) is installed between driving gear shaft (2) and protecgulum (11), protecgulum (11) is rounded, the front-end face of protecgulum (11) has the step hole (111) for holding plunger pump connecting end, the outer wall of protecgulum (11) is provided with the radial flange (112) of ring, radial flange (112) has the seal ring mounting groove (113) of ring and multiple mounting hole (114) for being fixed on by protecgulum (11) by bolt on plunger pump, multiple mounting hole (114) is positioned at the periphery of seal ring mounting groove (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520280884.0U CN204572443U (en) | 2015-04-30 | 2015-04-30 | Gear oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520280884.0U CN204572443U (en) | 2015-04-30 | 2015-04-30 | Gear oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572443U true CN204572443U (en) | 2015-08-19 |
Family
ID=53865090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520280884.0U Expired - Fee Related CN204572443U (en) | 2015-04-30 | 2015-04-30 | Gear oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572443U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899284A (en) * | 2019-04-03 | 2019-06-18 | 合肥长源液压股份有限公司 | A kind of high revolving speed lightweight gear pump |
| CN112610472A (en) * | 2020-12-22 | 2021-04-06 | 金迈思液压设备（天津）有限公司 | High-pressure gear pump with safety valve additionally arranged on rear end cover |
-
2015
- 2015-04-30 CN CN201520280884.0U patent/CN204572443U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899284A (en) * | 2019-04-03 | 2019-06-18 | 合肥长源液压股份有限公司 | A kind of high revolving speed lightweight gear pump |
| CN112610472A (en) * | 2020-12-22 | 2021-04-06 | 金迈思液压设备（天津）有限公司 | High-pressure gear pump with safety valve additionally arranged on rear end cover |
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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: 20150819 |