CN207178199U - A kind of steering gear pump - Google Patents
A kind of steering gear pump Download PDFInfo
- Publication number
- CN207178199U CN207178199U CN201721094371.6U CN201721094371U CN207178199U CN 207178199 U CN207178199 U CN 207178199U CN 201721094371 U CN201721094371 U CN 201721094371U CN 207178199 U CN207178199 U CN 207178199U
- Authority
- CN
- China
- Prior art keywords
- bonnet
- oil
- seal
- driving
- 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 discloses a kind of steering gear pump, including pump agent structure, active drive mechanism and slave drive structure, pump agent structure includes the pump housing, protecgulum and bonnet, after cover provided with oil inlet, oil-out and oil spilling mouth, the axle center of oil inlet is consistent with the centre-height of bonnet in height, the axle center of oil-out is higher than the centre-height of bonnet in height, and the axle center of oil spilling mouth is higher than the axle center of oil-out in height；Active drive mechanism, including driving shaft, driving axle housing and driving gear；Slave drive structure, including driven shaft, driven shaft sleeve and driven gear, driven gear are arranged in driven shaft sleeve and are connected with driving gear external toothing.The utility model is simple in construction compared to prior art, is easy to repair, while has both the characteristic for having higher pressure under same flow, and the liquid being more than can flow back to fuel tank without being back to oil inlet by oil spilling mouth, so as to extend the service life of steering gear pump.
Description
Technical field
The utility model belongs to hydraulic system technical field, and in particular to a kind of steering gear pump.
Background technology
Existing steering gear pump typically has two hydraulic fluid ports, an oil inlet, an oil-out.Oil pump is constant flow pump.For
Ensure the constant current effect of oil pump, be designed with oil return opening in the bonnet of oil pump, when flow is more than demand, unnecessary flow will be from
Oil return opening is directly back to oil inlet, to have the function that constant current.The design weak point is medium-sized or Light-duty Vehicle can meet need
Ask, heavy goods vehicles demand huge discharge steering pump, the flow of oil pump only has half to export (insufficient half sometimes), the savings of unnecessary flow
In oil pump, caused heat can not be distributed normally, caused the temperature hot soak condition of oil pump, influenceed the use of oil pump
Life-span.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of steering gear pump.
In order to achieve the above object, the technical solution of the utility model is as follows：
The utility model provides a kind of steering gear pump, including：
Pump agent structure, including the pump housing, protecgulum and bonnet, protecgulum are detachably arranged at the front end of the pump housing, and bonnet is detachable
Be arranged at the rear end of the pump housing, after cover provided with oil inlet, oil-out and oil spilling mouth, the axle center of oil inlet in height with bonnet
Centre-height is consistent, and the axle center of oil-out is higher than the centre-height of bonnet in height, and the axle center of oil spilling mouth is higher than in height
The axle center of oil-out, oil spilling mouth is in the horizontal direction between oil inlet and oil-out；
Active drive mechanism, including driving shaft, driving axle housing and driving gear, driving axle housing are arranged in the pump housing, actively
Gear is arranged on driving axle housing, and driving shaft is connected with driving gear；
Slave drive structure, including driven shaft, driven shaft sleeve and driven gear, driven shaft sleeve are arranged in the pump housing, driven
Gear is arranged in driven shaft sleeve and is connected with driving gear external toothing, and driven shaft is connected with driven gear.
The utility model is simple in construction compared to prior art, is easy to repair, while has both under same flow and have higher pressure
Characteristic, the liquid being more than can flow back to fuel tank without being back to oil inlet by oil spilling mouth, so as to extend steering gear pump
Service life.
Wherein, the axle center height of above-mentioned oil spilling mouth and the axle center difference in height of oil-out are 30mm, and oil inlet is in level side
It is upwards 20mm positioned at the left side at bonnet center and the distance of the two, oil-out is located at the right side at bonnet center in the horizontal direction
And the distance of the two is 43mm, oil spilling mouth is in the horizontal direction 12mm positioned at the right side at bonnet center and the distance of the two.
On the basis of above-mentioned technical proposal, following improvement can be also done：
As preferable scheme, covered after above-mentioned includes bonnet connecting bolt provided with rear lid attachments, rear lid attachments
And spring washer, bonnet connecting bolt cover after being anchored on, spring washer is arranged between bonnet connecting bolt and bonnet.
The above-mentioned pump housing and the junction of protecgulum and the junction of the pump housing and bonnet are provided with rectangular seal.
Bushing is provided between above-mentioned driving shaft and driving axle housing and between driven shaft and driven shaft sleeve.
The above-mentioned driving axle housing and junction of protecgulum, the junction of driving axle housing and bonnet, driven shaft sleeve and protecgulum
The junction of junction and driven shaft sleeve and bonnet is provided with E type sealing rings, and E types sealing ring is provided with Sealing shield ring.
The above-mentioned pump housing and the junction of protecgulum and the junction of the pump housing and bonnet are provided with the first straight pin, driving shaft
Set and the junction of driven shaft sleeve are provided with the second straight pin.
Ecto-entad is sequentially provided with circlip for hole and outside framework oil seal vertically between above-mentioned protecgulum and driving shaft.
Above-mentioned outside framework oil seal includes the interior sealing body, external seal body and positioning stop tab being wholely set, interior sealing body bag
Include seal and the first lower seal on first be wholely set, on first seal fitting be arranged on protecgulum, it is close under first
Envelope body is freely fitted on the outer surface of driving shaft, and positioning stop tab is arranged on first on seal and positioned under first
On the side of seal；External seal body include be wholely set second on seal and the second lower seal, the second lower seal
Including the second lower-left seal and the second bottom right seal, folder is provided between the second lower-left seal and the second bottom right seal
Angle.
Installation connecting element is provided with above-mentioned driving shaft and positioned at the outside of protecgulum, installation connecting element includes outer tongue stop pad
Circle, nut and woodruff key, nut, woodruff key are arranged on driving shaft, and lock washer with tongue at outside is arranged between nut and woodruff key.
Using above-mentioned preferable scheme, sealed between each part by sealing ring, further improve sealing effectiveness.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is structural side view of the present utility model.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
In order to reach the purpose of this utility model, as shown in Figure 1 to Figure 2, in one of which embodiment party of the present utility model
A kind of steering gear pump is provided in formula, including：
Pump agent structure, including the pump housing 5, protecgulum 11 and bonnet 1, protecgulum 11 are detachably arranged at the front end of the pump housing 5, bonnet
The 1 detachable rear end for being arranged at the pump housing 5, bonnet 1 are provided with oil inlet 22, oil-out 23 and oil spilling mouth 24, the axle of oil inlet 22
The heart is consistent with the centre-height of bonnet 1 in height, and the axle center of oil-out 23 is higher than the centre-height of bonnet 1 in height, overflows
The axle center of hydraulic fluid port 24 is higher than the axle center of oil-out 23 in height, and oil spilling mouth 24 is in the horizontal direction positioned at oil inlet 22 and fuel-displaced
Between mouth 23；
Active drive mechanism, including driving shaft, driving axle housing 19 and driving gear 13, driving axle housing 19 are arranged at the pump housing 5
Interior, driving gear 13 is arranged on driving axle housing 19, and driving shaft is connected with driving gear 13；
Slave drive structure, including driven shaft, driven shaft sleeve 18 and driven gear 6, driven shaft sleeve 18 are arranged at the pump housing 5
Interior, driven gear 6 is arranged in driven shaft sleeve 18 and is connected with the external toothing of driving gear 13, and driven shaft is driven with driven gear 6
Connection.
Present embodiment is simple in construction compared to prior art, is easy to repair, while has both under same flow and have higher pressure
Characteristic, the liquid being more than can flow back to fuel tank without being back to oil inlet by oil spilling mouth, so as to extend steering gear pump
Service life.
Wherein, the axle center height of above-mentioned oil spilling mouth 24 and the axle center difference in height of oil-out 23 are 30mm, and oil inlet 22 exists
It is 20mm to be located at the left side at the center of bonnet 1 and the distance of the two in horizontal direction, and oil-out 23 is located at bonnet 1 in the horizontal direction
The right side at center and the distance of the two are 43mm, oil spilling mouth 24 in the horizontal direction positioned at the right side at the center of bonnet 1 and the two
Distance is 12mm.
In order to further optimize implementation result of the present utility model, in another embodiment of the present utility model,
On the basis of foregoing teachings, above-mentioned bonnet 1 is provided with rear lid attachments, and rear lid attachments include the He of bonnet connecting bolt 2
Spring washer 3, bonnet connecting bolt 2 are anchored on bonnet 1, and spring washer 3 is arranged between bonnet connecting bolt 2 and bonnet 1.
Wherein, covered after above-mentioned and be additionally provided with main body connecting bolt 21, main body connecting bolt is located at oil inlet and oil spilling mouth
Between.
The above-mentioned pump housing 5 is provided with rectangular seal 4 with the junction of protecgulum 11 and the junction of the pump housing 5 and bonnet 1.
Bushing 7 is provided between above-mentioned driving shaft and driving axle housing 19 and between driven shaft and driven shaft sleeve 18.
Above-mentioned driving axle housing 19 and the junction of protecgulum 11, the junction of driving axle housing 19 and bonnet 1, driven shaft sleeve 18
E types sealing ring 8 is provided with the junction of protecgulum 11 and driven shaft sleeve 18 and the junction of bonnet 1, E types sealing ring 8 is provided with
Sealing shield ring 9.
The above-mentioned pump housing 5 is provided with the first straight pin 10 with the junction of protecgulum 11 and the junction of the pump housing 5 and bonnet 1,
Driving axle housing 19 and the junction of driven shaft sleeve 18 are provided with the second straight pin 20.
Ecto-entad is sequentially provided with circlip for hole 17 and skeleton oil vertically between above-mentioned protecgulum 11 and driving shaft
Envelope 12.
Above-mentioned outside framework oil seal 12 includes the interior sealing body, external seal body and positioning stop tab being wholely set, interior sealing body
Including be wholely set first on seal and the first lower seal, on first seal fitting be arranged on protecgulum, under first
Seal is freely fitted on the outer surface of driving shaft, and positioning stop tab is arranged on first on seal and positioned at close to first
On the side of lower seal；External seal body include be wholely set second on seal and the second lower seal, second time seal
Body includes the second lower-left seal and the second bottom right seal, and folder is provided between the second lower-left seal and the second bottom right seal
Angle.
Installation connecting element is provided with above-mentioned driving shaft and positioned at the outside of protecgulum, installation connecting element includes outer tongue stop pad
Circle 14, nut 15 and woodruff key 16, nut 15, woodruff key 16 are arranged on driving shaft, and lock washer with tongue at outside 14 is arranged at nut
Between 15 and woodruff key 16.
Using above-mentioned preferable scheme, sealed between each part by sealing ring, further improve sealing effectiveness.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (10)
- A kind of 1. steering gear pump, it is characterised in that including：Pump agent structure, including the pump housing, protecgulum and bonnet, protecgulum are detachably arranged at the front end of the pump housing, and bonnet is detachably set In the rear end of the pump housing, after cover provided with oil inlet, oil-out and oil spilling mouth, the axle center of the oil inlet center with bonnet in height Highly consistent, the axle center of oil-out is higher than the centre-height of bonnet in height, and the axle center of oil spilling mouth is in height higher than fuel-displaced The axle center of mouth, oil spilling mouth is in the horizontal direction between oil inlet and oil-out；Active drive mechanism, including driving shaft, driving axle housing and driving gear, driving axle housing are arranged in the pump housing, driving gear It is arranged on driving axle housing, driving shaft is connected with driving gear；Slave drive structure, including driven shaft, driven shaft sleeve and driven gear, driven shaft sleeve are arranged in the pump housing, driven gear It is arranged in driven shaft sleeve and is connected with driving gear external toothing, driven shaft is connected with driven gear.
- 2. steering gear pump according to claim 1, it is characterised in that the axle center height of oil spilling mouth and the axle center of oil-out Difference in height is 30mm, and oil inlet is in the horizontal direction 20mm positioned at the left side at bonnet center and the distance of the two, and oil-out exists It is 43mm to be located at the right side at bonnet center and the distance of the two in horizontal direction, and oil spilling mouth is located at bonnet center in the horizontal direction Right side and the distance of the two be 12mm.
- 3. steering gear pump according to claim 1, it is characterised in that after cover provided with rear lid attachments, bonnet connection Part includes bonnet connecting bolt and spring washer, and bonnet connecting bolt covers after being anchored on, and spring washer is arranged at bonnet connection Between bolt and bonnet.
- 4. steering gear pump according to claim 1, it is characterised in that the junction and the pump housing of the pump housing and protecgulum with The junction of bonnet is provided with rectangular seal.
- 5. steering gear pump according to claim 1, it is characterised in that between driving shaft and driving axle housing and driven Bushing is provided between axle and driven shaft sleeve.
- 6. steering gear pump according to claim 1, it is characterised in that the junction of driving axle housing and protecgulum, driving shaft Set seals with the junction of bonnet, the junction of driven shaft sleeve and protecgulum and the junction of driven shaft sleeve and bonnet provided with E types Circle, E types sealing ring are provided with Sealing shield ring.
- 7. steering gear pump according to claim 1, it is characterised in that the junction and the pump housing of the pump housing and protecgulum with The junction of bonnet is provided with the first straight pin, and the junction of driving axle housing and driven shaft sleeve is provided with the second straight pin.
- 8. steering gear pump according to claim 1, it is characterised in that ecto-entad vertically between protecgulum and driving shaft It is sequentially provided with circlip for hole and outside framework oil seal.
- 9. steering gear pump according to claim 8, it is characterised in that outside framework oil seal includes the interior sealing being wholely set Body, external seal body and positioning stop tab, interior sealing body include be wholely set first on seal and the first lower seal, first Upper seal fitting is arranged on protecgulum, and the first lower seal is freely fitted on the outer surface of driving shaft, and positioning stop tab is set It is placed on first on seal and positioned on the side of the first lower seal；External seal body include be wholely set second on Seal and the second lower seal, the second lower seal include the second lower-left seal and the second bottom right seal, the second lower-left Angle is provided between seal and the second bottom right seal.
- 10. steering gear pump according to claim 1, it is characterised in that be provided with driving shaft and positioned at the outside of protecgulum Installation connecting element, installation connecting element include lock washer with tongue at outside, nut and woodruff key, and nut, woodruff key are arranged on driving shaft, Lock washer with tongue at outside is arranged between nut and woodruff key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721094371.6U CN207178199U (en) | 2017-08-30 | 2017-08-30 | A kind of steering gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721094371.6U CN207178199U (en) | 2017-08-30 | 2017-08-30 | A kind of steering gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178199U true CN207178199U (en) | 2018-04-03 |
Family
ID=61738355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721094371.6U Expired - Fee Related CN207178199U (en) | 2017-08-30 | 2017-08-30 | A kind of steering gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178199U (en) |
-
2017
- 2017-08-30 CN CN201721094371.6U patent/CN207178199U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20190830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |