CN207686913U - Plunger pump - Google Patents
Plunger pump Download PDFInfo
- Publication number
- CN207686913U CN207686913U CN201720936226.1U CN201720936226U CN207686913U CN 207686913 U CN207686913 U CN 207686913U CN 201720936226 U CN201720936226 U CN 201720936226U CN 207686913 U CN207686913 U CN 207686913U
- Authority
- CN
- China
- Prior art keywords
- plunger
- driving shaft
- protecgulum
- cylinder body
- 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
- 238000007789 sealing Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 13
- 230000035699 permeability Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model belongs to hydraulic pressure pump technical field, is related to a kind of plunger pump, including pump housing one end connects protecgulum, the other end connects valve plate, cylinder body built in the pump housing, and cylinder center hole is sheathed on the pillar of valve plate, the bar portion of plunger stretches into the plunger hole of cylinder body, and cylinder body rotates synchronously when plunger rotation；By taper roll bearing one, two rotating support of taper roll bearing in protecgulum, the bulb of plunger is connect driving shaft with the ball-and-socket of active axial end, and when driving shaft rotates, plunger rotates synchronously；It is arranged bearing adjusting washer on driving shaft, is furnished with third O-ring seal between bearing adjusting washer and driving shaft.Driving shaft outer diameter need not be measured when the utility model Product Assembly and the size of bearing adjusting washer uses to match, and relative motion, while production convenient for assembly are eliminated by cylinder pin connection；Structure novel, integrated level is high, and assembly is small, light-weight.
Description
Technical field
The utility model belongs to hydraulic pressure pump technical field, is related to a kind of plunger pump.
Background technology
Plunger pump is the dynamical element of hydraulic system, is to lean on engine or motor drive, oil is sucked from hydraulic oil container
Liquid forms pressure oil discharge, is sent to a kind of Hydraulic Elements of the executive components such as oil cylinder or hydraulic motor.With the hair of national economy
Exhibition and market are to the diversified demand of vehicle functions, and domestic special-purpose vehicle market is original such as transport van, storehouse grating transport vehicle
Gradually developed with onboard hydraulic system Deng simple cargo transport class vehicle to realize the special-purpose vehicle of specific function, such as hook arm vehicle, with
Vehicle crane, kitchen garbage compression vehicle etc..Such vehicle all carries onboard hydraulic system, and plunger pump is existed as dynamical element
's.Power takeoff is connected by the power input most domestic of plunger pump using with universal shaft with plunger pump, and realization is started
Driving of the mechanomotive force to plunger pump.It is transition cooperation, driving shaft when clearance fit that script driving shaft is connect with bearing adjusting washer
It will produce permeability after thering is relative motion to work long hours with bearing adjusting washer, interference fit cooperation fashionable dress is with relatively difficult.
Invention content
For the utility model in view of the above-mentioned problems, providing a kind of plunger pump, which can eliminate axis and bearing adjusting pad
The relative motion of circle, but also assembly is easy to implement.
According to the technical solution of the utility model：A kind of plunger pump, it is characterised in that：Including the pump housing, the fastening of pump housing one end
Protecgulum is connected, the other end connects valve plate, and pump body is furnished with cylinder body, and cylinder center hole is sheathed on the pillar of valve plate, column
The bar portion of plug stretches into the plunger hole of cylinder body, and cylinder body rotates synchronously when plunger rotation；Driving shaft passes through taper roll bearing one, circle
In protecgulum, the bulb of plunger is connect two rotating support of taper roller bearing with the ball-and-socket of active axial end, when driving shaft rotates, column
Plug rotates synchronously；It is arranged bearing adjusting washer on driving shaft, is furnished with the O-shaped sealing of third between bearing adjusting washer and driving shaft
Circle, is connected between the driving shaft and bearing adjusting washer by straight pin, and it is another that bearing adjusting washer is corresponded on driving shaft
Lock washer is arranged in one end, and lock washer is locked by locking nut.
The lock washer outer ring forms towards locking nut side and bends as a further improvement of the utility model,
Portion, the card slot secure fit on external tooth and locking nut formed on bending part.
Gasket is set between the pump housing and protecgulum as a further improvement of the utility model, valve plate and the pump housing it
Between the first O-ring seal is set.
Plunger ring is set between the plunger and the plunger hole of cylinder body as a further improvement of the utility model,.
The outer ring of the bearing adjusting washer and oil sealing formation dynamic sealing as a further improvement of the utility model, two
A oil sealing through hole is separated with baffle ring, the contact position setting third O-ring and baffle ring of bearing adjusting washer and driving shaft.
Spring base, guide rod is arranged in the endoporus upper end of the cylinder body centre of gyration as a further improvement of the utility model,
Sheathed spring on the body of rod of lower part, the guide rod lower part body of rod stretch into the connecting hole of spring base, and spring one end is pressed in guide rod upper bar
Body bottom face, the spring other end are pressed in spring seat surface, and the upper end of the guide rod top body of rod is stretched into the groove of active axial end.
The pump housing is equipped with the duct of connection pump housing inner cavity, duct port as a further improvement of the utility model,
Gasket is arranged with duct end face junction in hexagonal plug in place's setting, interior hexagonal plug.
The utility model has technical effect that：Driving shaft outer diameter and axis need not be measured when the utility model Product Assembly
It holds the size of adjusting washer and is used to match, relative motion, while production convenient for assembly are eliminated by cylinder pin connection；Structure
Novelty, integrated level is high, and assembly is small, light-weight.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the partial enlarged view of cylinder pin connection in the utility model.
Specific implementation mode
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings.
In Fig. 1, including it is driving shaft 1, locking nut 2, bearing adjusting washer 3, oil discharge outlet plug 4, taper roll bearing 5, preceding
Lid 6, taper roll bearing 27, gasket 8, guide rod 9, spring 10, spring base 11, cylinder body 12, the pump housing 13, valve plate 14, the first O
Type sealing ring 15, plunger ring 16, plunger 17, interior hexagonal plug 18, gasket 19, the second O-ring seal 20, third O-ring seal
21, oil sealing 22, hole baffle ring 23, lock washer 24, straight pin 25 etc..
As shown in Figure 1, the utility model is a kind of plunger pump, including the pump housing 13,13 one end of the pump housing connects protecgulum 6, another
End connection valve plate 14, cylinder body 12 built in the pump housing 13,12 centre bore of cylinder body are sheathed on the pillar of valve plate 14, the bar of plunger 17
Portion stretches into the plunger hole of cylinder body 12, and cylinder body 12 rotates synchronously when plunger 17 rotates；Driving shaft 1 by taper roll bearing 1,
27 rotating support of taper roll bearing is in protecgulum 6, and the bulb of plunger 17 is connect with the ball-and-socket of 1 end face of driving shaft, driving shaft 1
When rotation, plunger 17 rotates synchronously；It is arranged bearing adjusting washer 3 on driving shaft 1, is set between bearing adjusting washer 3 and driving shaft 1
Third O-ring seal 21 is set, is connected by straight pin 25 between the driving shaft 1 and bearing adjusting washer 3, on driving shaft 1,
Lock washer 24 is set corresponding to 3 other end of bearing adjusting washer, lock washer 24 is locked by locking nut 2.
24 outer ring of lock washer forms bending part, the external tooth and locking screw formed on bending part towards 2 side of locking nut
Card slot secure fit on mother 2.
Gasket 8 is set between the pump housing 13 and protecgulum 6, the first O-ring seal 15 is set between valve plate 14 and the pump housing 13.
Plunger ring 16 is set between plunger 17 and the plunger hole of cylinder body 12.
The outer ring of bearing adjusting washer 3 forms dynamic sealing with oil sealing 22, and two 22 through hole baffle rings 23 of oil sealing separate,
By 6 inner wall front end step positioning of protecgulum, another oil sealing outer end is limited solid by lock washer 24 for one of oil sealing outer end
Fixed, hole baffle ring 23 is placed in the outer ring groove of protecgulum 6, and oil discharge outlet plug 4 is arranged in hole 23 outer ring of baffle ring, and oil discharge outlet plug 4 is fixed
In the groove of protecgulum.
The endoporus upper end of 12 centre of gyration of cylinder body is arranged spring base 11, sheathed spring 10 on the 9 lower part body of rod of guide rod, guide rod 9
The lower part body of rod stretches into the connecting hole of spring base 11, and 10 one end of spring is pressed in 9 top body of rod bottom face of guide rod, and spring 10 is another
End is pressed in 11 surface of spring base, and the upper end of the 9 top body of rod of guide rod is stretched into the groove of 1 end face of driving shaft.
The pump housing 13 is equipped with the duct of connection pump housing inner cavity, and interior hexagonal plug 18, interior hexagonal are arranged at the port of duct
Gasket 19 is arranged with duct end face junction in plug 18.27 outer ring front end of taper roll bearing in the utility model product is logical
It crosses the limit of 6 rear end step of protecgulum to fix, 27 inner ring rear end of taper roll bearing is limited by the step of driving shaft 1 and fixed.
The utility model product connects driving shaft 1 and bearing adjusting washer 3 using straight pin 25；Driving shaft 1 is by universal
Axis obtains power from power takeoff, and 17 bulb of plunger is connect with ball-and-socket on driving shaft 1, and driving shaft 1 can drive 17 turns of plunger when rotating
It is dynamic.17 bar portion of plunger is inserted into 12 plunger hole of cylinder body, by bar portion cylindrical surface with 12 plunger hole inner wall of cylinder body when plunger 17 rotates
The frictional force that mutually friction generates drives cylinder body 12 to rotate.Reciprocating motion of the plunger 17 in cylinder body 12 realizes plunger pump by mechanical energy
It is converted into hydraulic energy.Protecgulum 6, the pump housing 13 and valve plate 14 form plunger pump main frame structure, pass through the second O-ring seal
20, third O-ring seal 21 makes each part junction position seal.Guide rod 9, spring 10, the generation certain pressure of spring base 11 make cylinder
Body 12 is adjacent on valve plate 14.Taper roll bearing 1 and taper roll bearing 27 are on driving shaft 1, bearing adjusting pad
Circle 3 is connect by straight pin 25 with driving shaft 1, and driving shaft 1 rotates, and band dynamic bearing adjusting washer 3 rotates, it is ensured that 1 He of driving shaft
Without relative motion before bearing adjusting washer, to realize that static seal, long-time service will not permeabilitys.
Claims (1)
1. a kind of plunger pump, it is characterised in that：Including the pump housing（13）, the pump housing（13）One end is fastenedly connected protecgulum（6）, other end company
Connect valve plate（14）, the pump housing（13）Inner cavity rotation setting cylinder body（12）, cylinder body（12）Centre bore is sheathed on valve plate（14）It is convex
On column, plunger（17）Bar portion stretch into cylinder body（12）Plunger hole in, plunger（17）Cylinder body when rotation（12）It rotates synchronously；Actively
Axis（1）Pass through taper roll bearing one（5）, taper roll bearing two（7）Rotating support is in protecgulum（6）In, plunger（17）Ball
Head and driving shaft（1）The ball-and-socket of end face connects, driving shaft（1）When rotation, plunger（17）It rotates synchronously；Driving shaft（1）On be arranged
Bearing adjusting washer（3）, bearing adjusting washer（3）With driving shaft（1）Between be arranged third O-ring seal（21）, bearing adjustment
Washer（3）One end is resisted against taper roll bearing one（5）One end inner ring end face, taper roll bearing one（5）Other end outer ring
Pass through protecgulum（6）Endoporus step positioning, the driving shaft（1）With bearing adjusting washer（3）Between pass through straight pin（25）Phase
Connection, driving shaft（1）Above, correspond to bearing adjusting washer（3）Lock washer is arranged in the other end（24）, lock washer（24）Pass through
Locking nut（2）It is locked；The lock washer（24）Outer ring is towards locking nut（2）Side forms bending part, bending part
The external tooth and locking nut of upper formation（2）On card slot secure fit；The pump housing（13）With protecgulum（6）Between gasket is set
（8）, valve plate（14）With the pump housing（13）Between the first O-ring seal is set（15）；The plunger（17）With cylinder body（12）Column
Plunger ring is set between consent（16）；The bearing adjusting washer（3）Outside is coaxially disposed hole baffle ring（23）, hole baffle ring
（23）An oil sealing is respectively set in both sides（22）, one of oil sealing outer end passes through protecgulum（6）The step positioning of inner wall front end, it is another
A oil sealing outer end passes through lock washer（24）Limit is fixed, hole baffle ring（23）It is placed in protecgulum（6）Outer ring be placed in protecgulum（6）'s
In groove, hole baffle ring（23）Oil discharge outlet plug is arranged in outer ring（4）, oil discharge outlet plug（4）It is fixed in the groove of protecgulum；The cylinder body
（12）Spring base is arranged in centre bore upper end（11）, guide rod（9）The lower part body of rod is equipped in spring base（11）Hole in, guide rod
（9）Top body of rod top is equipped in driving shaft（1）End face link slot in, guide rod（9）The lower part body of rod on be arranged bullet
Spring（10）, spring（10）One end is held out against in guide rod（9）The lower face of the top body of rod, the other end are held out against in spring base（11）End face
On；The pump housing（13）It is equipped with the duct of connection pump housing inner cavity, interior hexagonal plug is set at the port of duct（18）, interior hexagonal is stifled
Head（18）Gasket is set with duct end face junction（19）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720936226.1U CN207686913U (en) | 2017-07-28 | 2017-07-28 | Plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720936226.1U CN207686913U (en) | 2017-07-28 | 2017-07-28 | Plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207686913U true CN207686913U (en) | 2018-08-03 |
Family
ID=62986500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720936226.1U Expired - Fee Related CN207686913U (en) | 2017-07-28 | 2017-07-28 | Plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207686913U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017255A (en) * | 2019-04-25 | 2019-07-16 | 南昌大学 | A kind of novel external curve plunger pump |
| CN114367941A (en) * | 2021-07-16 | 2022-04-19 | 日照朝力信息科技有限公司 | Assembling device and assembling process of plunger pump |
-
2017
- 2017-07-28 CN CN201720936226.1U patent/CN207686913U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017255A (en) * | 2019-04-25 | 2019-07-16 | 南昌大学 | A kind of novel external curve plunger pump |
| CN110017255B (en) * | 2019-04-25 | 2024-05-03 | 南昌大学 | Outer curve plunger pump |
| CN114367941A (en) * | 2021-07-16 | 2022-04-19 | 日照朝力信息科技有限公司 | Assembling device and assembling process of plunger pump |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 |