CN207701349U - A kind of preposition bearing-type gear oil pump of band - Google Patents
A kind of preposition bearing-type gear oil pump of band Download PDFInfo
- Publication number
- CN207701349U CN207701349U CN201721621426.4U CN201721621426U CN207701349U CN 207701349 U CN207701349 U CN 207701349U CN 201721621426 U CN201721621426 U CN 201721621426U CN 207701349 U CN207701349 U CN 207701349U
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- China
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- gear
- groove ball
- deep groove
- protecgulum
- ball bearing
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Abstract
The utility model is related to a kind of gear pumps, more particularly to a kind of preposition bearing-type gear oil pump of band, including protecgulum and the pump housing, protecgulum and the pump housing are by positioning pin connection, intermeshing driving gear and driven gear are equipped in the pump housing, the both sides of the face of the driving gear and driven gear are equipped with floating side plate, the coast side of tooth of floating side plate described in every piece is equipped with sealing ring successively, pressing plate and fixed side panel, the gear shaft both ends of the driving gear and the gear shaft both ends of driven gear are equipped with needle bearing, the gear shaft of the driving gear is connected by involute spline with coupking shaft, deep groove ball bearing is set between coupking shaft and protecgulum, the Pressure-Resistant Oil Seal of a pair of back-to-back setting is further sleeved between coupking shaft and protecgulum, Pressure-Resistant Oil Seal is located on the outside of deep groove ball bearing.The utility model undertakes the axial force and radial load generated in installation and transmission process using the deep groove ball bearing of preposition big radial internal clearance, protects the inner sealing of oil pump, alleviates maintenance load.
Description
Technical field
The utility model is related to a kind of gear pumps, and in particular to a kind of preposition bearing-type gear oil pump of band.
Background technology
Power input pump shaft and the gear of traditional type gear oil pump be it is integrated, gear oil pump installation and and used
Journey is not allow to bear axial force or radial load, however in actual use, due to the limitation of hosting space layout, gear
Mostly pump is connect with power source by universal drive shaft, because having the presence of installation angle, in transmission process, in gear
The component being had on the spindle nose of pump axially and radially generates, and then can lead to inclination and the axial float of gear, in causing
Portion's bad seals, gear oil pump failure.
Invention content
Place in order to overcome the above-mentioned deficiencies of the prior art, the utility model provide a kind of preposition bearing-type gear oil of band
Pump.
The utility model is achieved by the following technical solution：A kind of preposition bearing-type gear oil pump of band, including protecgulum
And the pump housing, protecgulum and the pump housing are linked together by positioning pin, and intermeshing driving gear and driven gear are equipped in the pump housing,
The both sides of the face of the driving gear and driven gear are equipped with floating side plate, and the coast side of tooth of the floating side plate described in every piece is equal
It is sequentially installed with sealing ring, pressing plate and fixed side panel, the gear shaft at gear shaft I both ends and driven gear of the driving gear
II both ends are equipped with needle bearing, and the gear shaft I of the driving gear is connected by involute spline with coupking shaft, described
It is set with deep groove ball bearing between coupking shaft and protecgulum, the pressure resistance of a pair of back-to-back setting is further sleeved between coupking shaft and protecgulum
The Pressure-Resistant Oil Seal of oil sealing, back-to-back setting is located on the outside of deep groove ball bearing.
Further, there are two the deep groove ball bearing is set, baffle ring III is equipped between the deep groove ball bearing described in two,
In the baffle ring II for being equipped with limitation deep groove ball bearing axial movement close to Pressure-Resistant Oil Seal side.
Further, it is axial that limitation Pressure-Resistant Oil Seal is equipped on the outside of the Pressure-Resistant Oil Seal far from deep groove ball bearing side
Mobile baffle ring I.
Further, the rubber rectangular ring for sealing is equipped between the pump housing and protecgulum.
The coupking shaft of input system is connected with gear using involute spline by the utility model, and then outside can be passed on a skill of craft to others
Axial force or radial load on coupking shaft, which are transmitted to, to be sleeved on coupking shaft on the deep groove ball bearing of big radial internal clearance, without passing
It is delivered on gear, and then plays the role of protecting gear that oil pump inner sealing is avoided to fail.
The utility model has the beneficial effects that：The utility model is simple and compact for structure, using preposition big radial internal clearance
Bearing eliminates axial force and radial load in gear shaft to undertake the axial force and radial load that are generated in installation and transmission process
Outside, and then the inner sealing of oil pump is protected, alleviates maintenance load used in everyday.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
In figure, 1, coupking shaft, 2, baffle ring I, 3, Pressure-Resistant Oil Seal, 4, protecgulum, 5, baffle ring II, 6, deep groove ball bearing, 7, baffle ring
III, 8, positioning pin, 9, fixed side panel, 10, pressing plate, 11, floating side plate, 12, sealing ring, 13, the pump housing, 14, driving gear, 14-
1, gear shaft I, 15, needle bearing, 16, driven gear, 16-1, gear shaft II, 17, bolt, 18, spring washer, 19, rectangle rubber
Glue sealing ring.
Specific implementation mode
The utility model is further illustrated below according to drawings and examples.
As shown in Figure 1, a kind of preposition bearing-type gear oil pump of band, including protecgulum 4 and the pump housing 13, protecgulum 4 and the pump housing 13 are logical
It crosses positioning pin 8 to link together, the pump housing and protecgulum combined uses four fastenings of bolt 17 to become a gear oil pump, spiral shell again
It is equipped with spring washer 18 between bolt 17 and the pump housing 13, intermeshing driving gear 14 and driven gear 16, institute are equipped in the pump housing 13
The both sides of the face of the driving gear 14 and driven gear 16 stated are equipped with floating side plate 11, the back of the body of the floating side plate 11 described in every piece
The flank of tooth is sequentially installed with sealing ring 12, pressing plate 10 and fixed side panel 9, and the coast side of tooth of floating side plate 11 is equipped with seal groove, described
Sealing ring 12 be located in the seal groove of floating side plate 11, floating side plate 11, sealing ring 12, pressing plate 10 and fixed side panel 9 are common
Sealing device is formed, plays the role of seal protection to gear face, center platen 10 protects sealing ring 12 not by hydraulic oil
Impact, I both ends 14-1 of gear shaft of the driving gear 14 and II both ends 16-1 of gear shaft of driven gear 16 are equipped with rolling
Needle bearing 15, needle bearing 15 play a supporting role to driving gear 14 and driven gear 16, the tooth of the driving gear 14
I 14-1 of wheel shaft is connected by involute spline with coupking shaft 1, and power source is passed to driving gear 14, driving gear 14 through coupking shaft 1
It is meshed with driven gear 16, under the drive of host engine, hydraulic oil is converted into high pressure oil and is transported in hydraulic system；
Be set with several deep groove ball bearings 6 between the coupking shaft 1 and protecgulum 4, deep groove ball bearing 6 to coupking shaft 1 play support and
The effect of positioning, meanwhile, when there is axial force in outside or radial load is passed to coupking shaft 1, axial force or radial load are by deep-groove ball axis
6 are held to undertake so that axial force or radial load will not be passed on driving gear 14, to reach the protection work to gear oil pump
With；The Pressure-Resistant Oil Seal 3 of a pair of back-to-back setting, the Pressure-Resistant Oil Seal 3 of back-to-back setting are further sleeved between coupking shaft 1 and protecgulum 4
Positioned at 6 outside of deep groove ball bearing, the Pressure-Resistant Oil Seal 3 far from 6 side of deep groove ball bearing is used to prevent the fluid of outside from entering the pump housing
In 13, another Pressure-Resistant Oil Seal 3 is for preventing hydraulic oil from being leaked to outside pump along I 14-1 of gear shaft of driving gear 14.
Further, as shown in Figure 1, there are two the deep groove ball bearing 6 sets, deep groove ball bearing 6 described in two it
Between be equipped with baffle ring III 7, the deep groove ball bearing 6 close to driving gear 14 carries out axial limiting by the shaft shoulder of protecgulum 4, and close to pressure resistance
The deep groove ball bearing 6 of 3 side of oil sealing is equipped with baffle ring II 5 and is moved axially for limiting deep groove ball bearing 6, relative to setting one
Deep groove ball bearing 6, two deep groove ball bearings 6 can share external force equally, mitigate the stress that single deep groove ball bearing 6 is born, prolong
The service life of long deep groove ball bearing 6, while the deep groove ball bearing 6 of big radial internal clearance has the performance of certain angular contact bearing,
It can bear diameter, axial connected load.
Further, as shown in Figure 1, being equipped with limitation in 3 outside of Pressure-Resistant Oil Seal far from 6 side of deep groove ball bearing
The baffle ring I 2 that Pressure-Resistant Oil Seal 3 moves axially, and close to the inside of the Pressure-Resistant Oil Seal 3 of 6 side of deep groove ball bearing and protecgulum 4
The shaft shoulder be in contact.
Further, it is equipped with the rubber rectangular ring 19 for sealing between the pump housing 13 and protecgulum 4, prevents tooth
Gap of the hydraulic oil between the pump housing 13 and protecgulum 4 inside wheel oil pump leaks outward.
The coupking shaft of input system is connected with gear using involute spline by the utility model, and then outside can be passed on a skill of craft to others
Axial force and radial load on coupking shaft, which are transmitted to, to be sleeved on coupking shaft on deep groove ball bearing, without being transmitted on gear,
And then play the role of protecting gear that oil pump inner sealing is avoided to fail.
Claims (4)
1. a kind of preposition bearing-type gear oil pump of band, including protecgulum（4）And the pump housing（13）, protecgulum（4）And the pump housing（13）By fixed
Position pin（8）It links together, the pump housing（13）It is interior to be equipped with intermeshing driving gear（14）And driven gear（16）, the master
Moving gear（14）And driven gear（16）Both sides of the face be equipped with floating side plate（11）, the floating side plate described in every piece（11）'s
Coast side of tooth is sequentially installed with sealing ring（12）, pressing plate（10）And fixed side panel（9）, the driving gear（14）Gear shaft
Ⅰ（14-1）Both ends and driven gear（16）Gear shaft II（16-1）Both ends are equipped with needle bearing（15）, it is characterised in that：Institute
The driving gear stated（14）Gear shaft I（14-1）Pass through involute spline and coupking shaft（1）It is connected, the coupking shaft（1）
With protecgulum（4）Between be set with deep groove ball bearing（6）, coupking shaft（1）With protecgulum（4）Between be further sleeved with a pair of back-to-back setting
Pressure-Resistant Oil Seal（3）, the Pressure-Resistant Oil Seal of back-to-back setting（3）Positioned at deep groove ball bearing（6）Outside.
2. the preposition bearing-type gear oil pump of a kind of band according to claim 1, it is characterised in that：The deep groove ball bearing
（6）There are two if, the deep groove ball bearing described in two（6）Between be equipped with baffle ring III（7）, close to Pressure-Resistant Oil Seal（3）Side is equipped with
Limit deep groove ball bearing（6）The baffle ring II of axial movement（5）.
3. the preposition bearing-type gear oil pump of a kind of band according to claim 1, it is characterised in that：Far from deep groove ball bearing
（6）The Pressure-Resistant Oil Seal of side（3）Outside is equipped with limitation Pressure-Resistant Oil Seal（3）The baffle ring I of axial movement（2）.
4. the preposition bearing-type gear oil pump of a kind of band according to claim 1, it is characterised in that：The pump housing（13）With
Protecgulum（4）Between be equipped with for sealing rubber rectangular ring（19）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721621426.4U CN207701349U (en) | 2017-11-29 | 2017-11-29 | A kind of preposition bearing-type gear oil pump of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721621426.4U CN207701349U (en) | 2017-11-29 | 2017-11-29 | A kind of preposition bearing-type gear oil pump of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701349U true CN207701349U (en) | 2018-08-07 |
Family
ID=63024028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721621426.4U Active CN207701349U (en) | 2017-11-29 | 2017-11-29 | A kind of preposition bearing-type gear oil pump of band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762844A (en) * | 2017-11-29 | 2018-03-06 | 徐州科源液压股份有限公司 | With preposition bearing-type gear oil pump |
| CN114320884A (en) * | 2021-11-10 | 2022-04-12 | 浙江环誉泵业科技有限公司 | High-speed high-temperature high-efficiency fuel pump for aerospace |
-
2017
- 2017-11-29 CN CN201721621426.4U patent/CN207701349U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762844A (en) * | 2017-11-29 | 2018-03-06 | 徐州科源液压股份有限公司 | With preposition bearing-type gear oil pump |
| CN114320884A (en) * | 2021-11-10 | 2022-04-12 | 浙江环誉泵业科技有限公司 | High-speed high-temperature high-efficiency fuel pump for aerospace |
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