CN207080798U - A kind of grease pump of high integration - Google Patents
A kind of grease pump of high integration Download PDFInfo
- Publication number
- CN207080798U CN207080798U CN201720964637.1U CN201720964637U CN207080798U CN 207080798 U CN207080798 U CN 207080798U CN 201720964637 U CN201720964637 U CN 201720964637U CN 207080798 U CN207080798 U CN 207080798U
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- oil
- way valve
- pump
- sucting
- oil outlet
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Abstract
The utility model discloses a kind of grease pump of high integration, it is desirable to provide a kind of grease pump that can overcome in the prior art the problem of reliability is low when grease pump integrated level is low, working speed is higher or lower or operating pressure is larger.The utility model includes the pump housing, pump body is provided with the gear pair of internal rotor and outer rotor composition, crescent oil sealing block is provided between internal rotor and outer rotor, the cavity formed between internal rotor and outer rotor is divided into two chambers by oil sealing block, the first oil sucting one-way valve and the second oil sucting one-way valve and the first oil outlet one-way valve and the second oil outlet one-way valve are provided with the pump housing, first oil sucting one-way valve and the first oil outlet one-way valve are connected by oil circuit with a chamber of grease pump, second oil sucting one-way valve and the second oil outlet one-way valve are connected by oil circuit with another chamber of grease pump.
Description
Technical field
It the utility model is related to grease pump technical field, more particularly to a kind of grease pump of high integration.
Background technology
In traditional industry equipment, hydraulic system plays the part of vital role.But with the continuous development of industrial technology,
The research and development of novel device, more new requirements are proposed to hydraulic system.Oil pump such as lubricating utensil requires simple and compact for structure
But it is powerful, it is necessary to be adapted to the different operating modes such as clockwise, counterclockwise in hydraulic pump in hydraulic system.But traditional
In hydraulic pump, when work turns to conversion, the pressure energy of hydraulic pump output can also convert with steering.Script liquid output one
Side turns into input side, causes hydraulic system normally can not provide pressure or lubricating function for equipment.In hydraulic system often
The parts such as independent increase overflow valve are also needed to, this make it that oil pump layout is more cumbersome.
Commercially there is a kind of traditional Bidirectional lubricating pump, it can be realized when input turns to change, oil inlet and outlet position
Put constant function.It is the eccentric hoop that a floating is added on traditional hydraulic pump so that when input turns to change,
Eccentric hoop changes the frictional force brought with steering and rotates with 180 degree, to realize the indeclinable function in oil inlet and outlet position.Float
Eccentric hoop assembly precision can be caused to decline, and when working speed is relatively low, because frictional force is insufficient, has and eccentric hoop be present and do not revolve
Then cause the risk of disabler；And it is higher in working speed or when operating pressure is larger, it can not also bear, this just drops significantly
The low functional reliability of hydraulic pump.Therefore, it can only make the lubricating function of moderate rotation, low-pressure, use range limitation
It is larger.In infant industry product, originally traditional lubricating pump can not meet the requirement of industrial technology.
Utility model content
The utility model in order to overcome in the prior art grease pump integrated level it is low, working speed is higher or lower or work
Make pressure it is larger when the low deficiency of reliability, there is provided the high grease pump of a kind of high integration, functional reliability.
To achieve these goals, the utility model uses following technical scheme：
A kind of grease pump of high integration, including the pump housing, pump body are provided with the tooth of internal rotor and outer rotor composition
Wheel set, crescent oil sealing block, the cavity that oil sealing block will be formed between internal rotor and outer rotor are provided between internal rotor and outer rotor
It is divided into two chambers, the first oil sucting one-way valve and the second oil sucting one-way valve and first fuel-displaced unidirectional is provided with the pump housing
The chamber phase that valve and the second oil outlet one-way valve, the first oil sucting one-way valve and the first oil outlet one-way valve pass through oil circuit and grease pump
Connection, the second oil sucting one-way valve and the second oil outlet one-way valve are connected by oil circuit with another chamber of grease pump.
As a kind of optimal technical scheme of the present utility model, first oil sucting one-way valve and the first oil outlet one-way valve hang down
Straight mutually provide is put, and second oil sucting one-way valve and the second oil outlet one-way valve are vertically mutually provided and put, first oil sucting one-way valve
It is set up in parallel with the second oil sucting one-way valve, first oil outlet one-way valve and the second oil outlet one-way valve are set up in parallel.
As a kind of optimal technical scheme of the present utility model, cooler oil-out, side are additionally provided with the pump housing
Port valve and overflow valve, the cooler oil-out are disposed in parallel in by first oil outlet one-way valve and the second oil outlet one-way valve,
The cooler oil-out is connected with the by-passing valve and overflow valve.
The beneficial effect that the utility model is reached compared with prior art is：During oil pump rotating, although the rotation of oil pump
Turn the change of direction progress, but can keep oil sucting cavity and oil outlet chamber position constant all the time, suitable requirement can by flow big, pressure
Output is high, in the high bi-directional hydraulic system of reliability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 A-A profiles.
Fig. 3 is Fig. 1 B-B profiles.
In figure：1st, the pump housing, 2, internal rotor, 3, outer rotor, 4, oil sucting one-way valve I, 5, oil sucting one-way valve II, 6, fuel-displaced unidirectional
Valve I, 7, oil outlet one-way valve II, 8, cooler oil-out, 9, by-passing valve, 10, overflow valve, 11, oil suction plug screw, 12, copper washer,
13rd, O-ring, 14, steel ball, 15, circlip for hole, 16, fuel-displaced plug screw, 17, valve element, 18, valve pocket, 19, spring, 20, stifled
Plug.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
As shown in Figure 1, Figure 2 and Figure 3, a kind of grease pump of high integration, including the pump housing 1, the pump housing 1 are internally provided with interior
The gear pair that rotor 2 and outer rotor 3 form, is provided with crescent oil sealing block between internal rotor 2 and outer rotor 3, oil sealing block interior will turn
The cavity formed between son 2 and outer rotor 3 is divided into A chambers and B chambers.
An integrated region is provided with the pump housing 1, oil sucting one-way valve I4 and oil sucting one-way valve II5 are provided with integrated region
And oil outlet one-way valve I6 and oil outlet one-way valve II7, oil sucting one-way valve I4, oil outlet one-way valve I6 pass through oil circuit and grease pump
A chambers are connected, and oil sucting one-way valve II5, oil outlet one-way valve II7 are connected by oil circuit with the B chambers of grease pump.Oil sucting one-way valve
I4 is vertically mutually provided with oil outlet one-way valve I6 and put, and oil sucting one-way valve II5 is vertically mutually provided with oil outlet one-way valve II7 and put.Oil suction list
It is set up in parallel to valve I4 and oil sucting one-way valve II5, oil outlet one-way valve I6 and oil outlet one-way valve II7 are set up in parallel.
Two cooler oil-outs 8, by-passing valve 9 and overflow valve 10 are additionally provided with integrated region, cooler oil-out 8 is simultaneously
Row are arranged on by oil outlet one-way valve I6 and oil outlet one-way valve II7, and cooler oil-out 8 is connected with by-passing valve 9 and overflow valve 10.
Oil sucting one-way valve I4 and oil sucting one-way valve II5 respectively include oil suction plug screw 11, copper washer 12, O-ring 13,
Steel ball 14 and circlip for hole 15.
Oil outlet one-way valve I6 and oil outlet one-way valve II7 includes fuel-displaced plug screw 16, copper washer 12, valve element 17, valve pocket respectively
18th, spring 19, blocking 20, O-ring 13 and circlip for hole 15.
When oil pump presses a direction rotary work, two oil circuits of one-in-and-one-out can be correspondingly formed on oil pump.
Parital vacuum is formed at A chambers when internal rotor rotates forward, the oil sucting one-way valve I4 stress of steel ball 14 is past to be parked in close to A chambers
Place, oil inlet are opened, and oil outlet one-way valve I6 valve element 17 is closed in the presence of spring 19 and negative pressure.With oil pump
Operating, fluid operates to B chambers side, oil sucting one-way valve II5 steel ball 14 and pushed up by the pressure of fluid to oil inlet, enters at this
Hydraulic fluid port is closed, and oil outlet one-way valve II7 valve element 17 is opened by oil pressure top, and in open mode, liquid is arranged from oil-out
Go out, form an oil circuit.
When oil pump rotary work in the opposite direction, parital vacuum is formed at B chambers, at oil sucting one-way valve II5 steel ball 14 by
Power toward being parked at oil pocket, open by oil inlet.Valve element 17 is in the presence of spring 19 and negative pressure at oil outlet one-way valve II7
Closed mode.With the operating of oil pump, fluid is operated to oil outlet one-way valve I4 sides, and steel ball 14 is by fluid at oil sucting one-way valve I4
Pressure is pushed up to oil inlet, and oil inlet is closed at this, and valve element 17 is opened by oil pressure top at oil outlet one-way valve I6, is in
Open mode.Liquid is discharged from oil-out, forms an oil circuit.
During oil pump rotating, although the change that the direction of rotation of oil pump is carried out, can keep oil sucting cavity and oil outlet chamber all the time
Position is constant.
The fluid of oil pump output is after cooler, into lubrication working connection.Increase when with flow increase or oil viscosity
Add, and cause back pressure at cooler>During 0.2Mpa, by-passing valve 9 is opened, and part fluid enters lubrication working connection through by-passing valve 9.When
Lubricate working connection back pressure>During 0.5Mpa, overflow valve 10 opens off-load.
In summary, the oil pump be adapted to requirement can it is big by flow, pressure output is high, the high bi-directional hydraulic system of reliability
In.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (3)
1. a kind of grease pump of high integration, including the pump housing, pump body is provided with the gear of internal rotor and outer rotor composition
Pair, is provided with crescent oil sealing block between internal rotor and outer rotor, oil sealing block divides the cavity formed between internal rotor and outer rotor
It is divided into two chambers, it is characterised in that the first oil sucting one-way valve and the second oil sucting one-way valve and are provided with the pump housing
One oil outlet one-way valve and the second oil outlet one-way valve, the first oil sucting one-way valve and the first oil outlet one-way valve pass through oil circuit and grease pump
A chamber be connected, the second oil sucting one-way valve and the second oil outlet one-way valve are connected by oil circuit with another chamber of grease pump
Connect.
A kind of 2. grease pump of high integration according to claim 1, it is characterised in that first oil sucting one-way valve
Vertically mutually providing and put with the first oil outlet one-way valve, second oil sucting one-way valve and the second oil outlet one-way valve are vertically mutually provided and put,
First oil sucting one-way valve and the second oil sucting one-way valve are set up in parallel, first oil outlet one-way valve and the second oil outlet one-way valve
It is set up in parallel.
3. the grease pump of a kind of high integration according to claim 1, it is characterised in that also set up on the pump housing
Have cooler oil-out, by-passing valve and an overflow valve, the cooler oil-out be disposed in parallel in first oil outlet one-way valve and
By second oil outlet one-way valve, the cooler oil-out is connected with the by-passing valve and overflow valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720964637.1U CN207080798U (en) | 2017-08-03 | 2017-08-03 | A kind of grease pump of high integration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720964637.1U CN207080798U (en) | 2017-08-03 | 2017-08-03 | A kind of grease pump of high integration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207080798U true CN207080798U (en) | 2018-03-09 |
Family
ID=61424707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720964637.1U Active CN207080798U (en) | 2017-08-03 | 2017-08-03 | A kind of grease pump of high integration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207080798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215903A (en) * | 2021-11-23 | 2022-03-22 | 宁波圣龙汽车动力系统股份有限公司 | Integrated reversible lubricating oil pump |
-
2017
- 2017-08-03 CN CN201720964637.1U patent/CN207080798U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215903A (en) * | 2021-11-23 | 2022-03-22 | 宁波圣龙汽车动力系统股份有限公司 | Integrated reversible lubricating oil pump |
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