CN207906004U - A kind of hydraulic pump body with adjusting apparatus - Google Patents
A kind of hydraulic pump body with adjusting apparatus Download PDFInfo
- Publication number
- CN207906004U CN207906004U CN201820279536.5U CN201820279536U CN207906004U CN 207906004 U CN207906004 U CN 207906004U CN 201820279536 U CN201820279536 U CN 201820279536U CN 207906004 U CN207906004 U CN 207906004U
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- China
- Prior art keywords
- inclined plate
- adjusting apparatus
- cylinder block
- turntable
- opening
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Abstract
The utility model is related to pump housing field more particularly to a kind of hydraulic pump bodies with adjusting apparatus.Including with the pump housing and adjusting apparatus,Inclined plate is provided in the pump housing,Turntable and cylinder block,And with the drive shaft for driving turntable to be rotated along the inclined-plane of inclined plate,Side of its turntable far from inclined plate is provided with the piston being inserted in cylinder block,Piston moves back and forth with turntable rotation,And the effect of sucking and discharge is provided the first opening set by cylinder block side respectively with the second opening,And adjusting apparatus is then connected in the inclined plate of the pump housing,The utility model is connected to the extensible member of inclined plate using adjusting apparatus,It is flexible when using that inclined plate is pulled to change angle of inclination,The reciprocating stroke for exchanging piston is acted in the first opening of cylinder block and the sucking of the second opening formation with discharge,And the hydraulic fluid flow rate and pressure value of the sucking of adjustment cylinder block and output,It is adjusted without overflow hydraulic oil,Achieve the effect that prevent energy dissipation and easy to use.
Description
Technical field
The utility model is related to pump housing field more particularly to a kind of hydraulic pump bodies with adjusting apparatus.
Background technology
Existing hydraulic pump be hydraulic pressure system in power resources, can also say be hydraulic pressure system heart, be divided into tooth according to structure
Three kinds of wheel pump, vane pump and piston pump, wherein piston pump are efficiency and the highest one kind of power, general piston pump have pump case with
And it is inserted in the drive shaft in pump case, drive shaft is connected with inclined plate, the piston being inserted in cylinder is connected on inclined plate, by drive
Moving axis drives inclined plate rotation, so that piston is moved back and forth as inclined plate rotates in cylinder, when piston rotation to higher position
When, the volume in cylinder will increase to suck hydraulic oil, anti-, when piston rotation to lower position, the volume meeting in cylinder
It reduces, hydraulic oil is made to be gone out by outlet force feed, required pressure is operated to provide overall hydraulic circuit, reach scheduled dynamic
Make, but the hydraulic pump of the structure has the following problems and lacks：
（One）The hydraulic pump only arranges imbibition pressure oil by single outlet and suction inlet, is operated for single loop, when the hydraulic pump
It is used in the board for needing double action（Such as：Metal stretching fatigue tester）When, the hydraulic oil of discharge provides board power
Afterwards, it is necessary to which overflow to oil storage tank adjusts board pressure and carry out reversed start, leads to the waste of energy whereby.
（Two）The hydraulic pump is only capable of sucking and the hydraulic oil of quantitative and level pressure is discharged every time, can not be in response to the liquid of different size
It pushes back road to adjust, causes to use upper inconvenience.
Invention content
In order to solve the technical problem, the utility model is connected to the extensible member of inclined plate using adjusting apparatus, in use
When it is flexible pull inclined plate to change angle of inclination, the reciprocating stroke for exchanging piston is formed in the first opening of cylinder block with the second opening
Sucking and discharge act on, and the sucking of adjustment cylinder block and output hydraulic fluid flow rate and pressure value, without overflow hydraulic pressure
Oil adjusts, and achievees the effect that prevent energy dissipation and easy to use.
The utility model is to realize the technical solution that the purpose is taken：
A kind of hydraulic pump body with adjusting apparatus, including with the pump housing and adjusting apparatus, it is provided with inclined plate in the pump housing, turn
Disk and cylinder block, and with the drive shaft for driving turntable to be rotated along the inclined-plane of inclined plate, side of the turntable far from inclined plate
It is provided with the piston being inserted in cylinder block, piston moves back and forth with turntable rotation, and respectively to cylinder block side institute
The first opening being arranged provides the effect of sucking and discharge with the second opening, and adjusting apparatus is then connected in the oblique of the pump housing
Plate, the adjusting apparatus have extensible member and ball axis, and extensible member one end is connected to the inclined plate of the pump housing, and ball axis is then set to tiltedly
Another side surface of the plate far from turntable, and ball axis is provided with perforation, and the drive shaft passes through perforation to be connect with turntable, so that inclined plate
Angle of inclination can be changed by the flexible pulling beat of extensible member, exchange first opening and second of the reciprocating stroke in cylinder block of piston
The sucking formed that is open is acted on discharge.
As a further improvement, adjusting apparatus is provided with the stop part for preventing inclined plate deflection angle excessive.
The utility model is connected to the extensible member of inclined plate using adjusting apparatus, flexible when using that inclined plate is pulled to change inclination
Angle, the reciprocating stroke for exchanging piston are acted in the first opening of cylinder block and the sucking of the second opening formation with discharge, and
The hydraulic fluid flow rate and pressure value for adjusting cylinder block sucking and output, adjust, reaching prevents energy without overflow hydraulic oil
Waste and effect easy to use.
Description of the drawings
Fig. 1 is that the extensible member of the utility model pulls the schematic diagram of inclined plate.
Fig. 2 is that the extensible member of the utility model pushes the schematic diagram of inclined plate.
Fig. 3 is that the piston of the utility model is inserted in cylinder block interior profile figure.
Specific implementation mode
Specific embodiment of the present utility model is made a detailed explanation below in conjunction with the accompanying drawings.
As shown in Figs. 1-3, a kind of hydraulic pump body with adjusting apparatus, including the pump housing 1 and adjusting apparatus 2.The pump housing 1 has
There is pump case 11, crankshaft room 12 be provided in pump case 11, inclined plate 13, turntable 14 and cylinder block 15 are sequentially provided in crankshaft room 12,
And it is inserted in the drive shaft 16 in crankshaft room 12, wherein 11 side of pump case is provided through to the axis hole 111 of crankshaft room 12,
Axis hole 111 is provided with the lubricating chamber 112 being connected to axis hole 111 close to the periphery of crankshaft room 12, and the drive shaft 16 passes through axis hole
111, lubricating chamber 112 and inclined plate 13 are connected to turntable 14, and cylinder block 15 has fixed seat 151 and can be in fixed seat 151 1
The dynamic swivel 152 of sidespin, another side of the fixed seat 151 far from swivel 152 are provided in the first opening 1511 and second opening 1512,
And turn 152 and be equipped with plural cylinder 1521, and each cylinder 1521 can be as 152 rotational communications of swivel be in the first of fixed seat 151
In opening 1511 or the second opening 1512, and another side ring of the turntable 14 far from inclined plate 13 is equipped with a plurality of pistons 17, this is multiple
Several pistons 17 are inserted in respectively in each cylinder 1521 of cylinder block 15.It is arranged between the axis hole 111 and drive shaft 16 of the pump case 11
There is the Bearing 18 rotated for drive shaft 16, and inclined plate 13 is then respectively arranged with connector 131 and branch close to two side of the face of turntable 14
Support member 132.
The adjusting apparatus 2 has the extensible member 21 being oppositely arranged and stop part 23, and separate in the inclined plate of the pump housing 1 13
Ball axis 22 is provided on the another side surface of turntable 14, wherein 21 one end of extensible member is connected to the connector 131 of inclined plate 13, another end
It is connected with the driver for driving extensible member 21 flexible, ball axis 22 is resisted against in the lubricating chamber 112 of pump case 11, and in ball axis 22
Centre is provided through to the perforation 221 of inclined plate 13, so that drive shaft 16 passes through.The extensible member 21 is screw rod or ball.
It drives turntable 14 to be rotated along the inclined surface of inclined plate 13 by drive shaft 16, makes a plurality of pistons 17 and cylinder block 15
Swivel 152 is rotated with turntable 14, and a plurality of pistons 17 understand the height with 13 inclined surface of inclined plate while swing offset
Drop moves back and forth in the plural cylinder 1521 of cylinder block 15;When piston 17 turns to higher position, it is equipped with the work
Volume in the cylinder 1521 of plug 17 can be carried out with piston 17 on rush stroke increase, and be communicated in the first of fixed seat 151
In opening 1511, to suck hydraulic oil 3 from the first opening 1511, then piston 17 will continue to as turntable 14 is by higher position
Lower position is turned to, and in the hydraulic oil 3 for carrying out undershoot stroke in cylinder 1521 and squeezing sucking, until the cylinder 1521 is with turning
152 rotational communication of body is extruded in the second opening 1512 of fixed seat 151, by extruded hydraulic oil 3 by the second opening 1512.
It is stretched by the driver driving extensible member 21 of adjusting apparatus 2, to pull profit of the inclined plate 13 according to ball axis 22 along pump case 11
Wall slip swings adjustment angle of inclination in sliding room 112, changes the inclined direction of inclined plate 13;When piston 17 turns to higher position
When, being equipped with the cylinder 1521 of the piston 17 can be communicated in the second opening 1512 of fixed seat 151, and be inhaled from the second opening 1512
Hydraulic oil 3 is taken, anti-, when piston 17 is moved to extreme lower position as turntable 14 rotates, it is equipped with the cylinder of the piston 17
1521 can be communicated in the first opening 1511, and hydraulic oil 3 is extruded by the first opening 1511, and then exchange the reciprocal of piston 17
The sucking that stroke is formed in the first opening 1511 of cylinder block 15 and the second opening 1512 is acted on discharge, and if the inclined plate 13
When being tilted to certain angle by the pulling of extensible member 21, the support element 132 of inclined plate 13 can be resisted against stop part 23, to prevent inclined plate 13
Deflection angle is excessive.
The adjusting apparatus 2 also can pull inclined plate 13 to adjust angle of inclination by extensible member 21, change plural piston 17 in cylinder
The position at dead point and undershoot dead point is rushed on the interior progress reciprocating stroke of each cylinder 1521 of body 15, and then adjusts what cylinder block 15 sucked
3 capacity of hydraulic oil and 3 pressure value of hydraulic oil of discharge.
The extensible member 21 of inclined plate 13 is connected to by adjusting apparatus 2, in use, flexible pull inclined plate 13 to change inclination angle
Degree exchanges suckings and discharge that the reciprocating stroke of piston 17 is formed in the first opening 1511 of cylinder block 15 and the second opening 1512
Effect, and 3 capacity of hydraulic oil and pressure value of the sucking of cylinder block 15 and discharge are adjusted, reaching prevents energy dissipation and conveniently makes
Effect.
Claims (2)
1. a kind of hydraulic pump body with adjusting apparatus, including with the pump housing and adjusting apparatus, inclined plate, turntable are provided in the pump housing
And cylinder block, and with the drive shaft for driving turntable to be rotated along the inclined-plane of inclined plate, side of the turntable far from inclined plate is set
It is equipped with the piston being inserted in cylinder block, piston moves back and forth with turntable rotation, and respectively to set by cylinder block side
The first opening set provides the effect of sucking and discharge with the second opening, and adjusting apparatus is then connected in the inclined plate of the pump housing,
It is characterized in that：The adjusting apparatus has extensible member and ball axis, and extensible member one end is connected to the inclined plate of the pump housing, and ball axis is then
It is set to another side surface of the inclined plate far from turntable, and ball axis is provided with perforation, and the drive shaft passes through perforation to be connect with turntable,
So that inclined plate can be changed angle of inclination by the flexible pulling beat of extensible member, the reciprocating stroke for exchanging piston is opened in the first of cylinder block
The sucking that mouth is formed with the second opening is acted on discharge.
2. a kind of hydraulic pump body with adjusting apparatus according to claim 1, it is characterised in that：Adjusting apparatus is provided with
Stop part for preventing inclined plate deflection angle excessive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820279536.5U CN207906004U (en) | 2018-02-28 | 2018-02-28 | A kind of hydraulic pump body with adjusting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820279536.5U CN207906004U (en) | 2018-02-28 | 2018-02-28 | A kind of hydraulic pump body with adjusting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207906004U true CN207906004U (en) | 2018-09-25 |
Family
ID=63561417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820279536.5U Active CN207906004U (en) | 2018-02-28 | 2018-02-28 | A kind of hydraulic pump body with adjusting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207906004U (en) |
-
2018
- 2018-02-28 CN CN201820279536.5U patent/CN207906004U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |