CN208651135U - A kind of high performance hydraulic gear pump - Google Patents
A kind of high performance hydraulic gear pump Download PDFInfo
- Publication number
- CN208651135U CN208651135U CN201821090188.3U CN201821090188U CN208651135U CN 208651135 U CN208651135 U CN 208651135U CN 201821090188 U CN201821090188 U CN 201821090188U CN 208651135 U CN208651135 U CN 208651135U
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- China
- Prior art keywords
- gear
- block
- cavity
- fixed
- pressing aid
- Prior art date
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Abstract
The utility model discloses a kind of high performance hydraulic gear pumps, including the pump housing, oil sucting cavity to help suction block, pumping cavity pressing aid block, gear, driving shaft, driven shaft；The pump body is hollow, is internally provided with gear fixed block, is provided in gear fixed block and the cavity of pump body is divided into oil sucting cavity and pumping cavity by gear cavity, gear cavity；There are two gears, two gears to be intermeshed for setting in gear cavity, and transmission shaft mounting hole is provided at gear centre, and driving shaft and driven shaft are fixed on respectively in transmission shaft mounting hole；Driving shaft and driven shaft are fixed on the pump housing by the first fixed plate on the pump housing and the second fixed plate respectively, and the setting of oil sucting cavity bottom helps suction block, and pressing aid block is provided in pumping cavity；The utility model is configured by improving to gear, while in oil sucting cavity and pumping cavity, so that oil suction and pressure oil process power are bigger, to improve its working efficiency.
Description
Technical field
The utility model relates to technical field of engineering machinery, specially a kind of high performance hydraulic gear pump.
Background technique
Hydraulic gear pump is that swept volume changes and movement is to convey liquid by being formed by between pumping cylinder and meshing gear
Or it is allowed to the drum pump being pressurized, and two enclosure spaces are formed by two gears, the pump housing and front and rear covers, when gear rotation, gear
The volume for disengaging the space of side becomes larger from small, forms vacuum, draws liquid into, and the volume in the space of gear engagement side becomes from big
It is small, and liquid is squeezed into pipeline.Suction chamber and discharge chamber are that the path of contact of two gears is leaned on to separate.
But often there is gear cavities to be filled for current gear pump, the low situation of volumetric efficiency relies solely on
Atmospheric pressure can not make oil fill up gear cavity.
Utility model content
The technical problems to be solved in the utility model is that the oil suction pressure oil process of conventional hydraulic gear pump is completed by atmospheric pressure,
For gear cavity using being not thorough, volumetric efficiency is low, a kind of high performance hydraulic gear pump is provided, to solve the above problems.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
The utility model provides a kind of high performance hydraulic gear pump, including the pump housing, helps suction block, pressing aid block, gear, active
Axis, driven shaft and controller；The pump body is hollow, and inside is fixedly installed gear fixed block, the first fixed plate, second solid
Fixed board；
The gear fixed block inner hollow is seal cavity, and gear is fixed in gear fixed block, and and gear
Fixed block fits closely, and gear position is gear cavity, and there are two gears, two gears to be intermeshed for setting in gear cavity,
And two gear central axes are provided with transmission shaft mounting hole on same vertical line, at gear centre, it is corresponding on gear fixed block
Position is also provided with through-hole, and the through-hole that driving shaft and driven shaft are each passed through on gear fixed block is fixed on transmission shaft mounting hole
In；The driving shaft and driven shaft are fixed on the pump housing by the first fixed plate on the pump housing and the second fixed plate respectively,
Driving shaft stretches out the pump housing and connects driving motor, and driving motor connects controller；
The internal cavity of gear fixed block is divided into oil sucting cavity and pumping cavity by gear cavity, and the setting of oil sucting cavity bottom helps suction
Block is provided with pressing aid block in pumping cavity.
It is described to help suction block cylindrical as a kind of optimal technical scheme of the utility model, it is opened in the bottom of oil sucting cavity
Suction block groove is helped, suction block groove is helped to be fitted close with suction block is helped, suction block bottom is helped to be provided with the first drive rod, the first drive rod
Across helping the bottom of suction block groove to be connected with the first driving motor, the first driving motor is fixed on the pump housing, the first driving
Motor connects controller.
As a kind of optimal technical scheme of the utility model, the pressing aid block is cylindrical, opens in the bottom of pumping cavity
Briquetting groove is helped, pressing aid block groove and pressing aid block are fitted close, and pressing aid block bottom is provided with the second drive rod, the second drive rod
It is connected with the second driving motor across the bottom of pressing aid block groove, the second driving motor is fixed on the pump housing, the second driving
Motor connects controller.
As a kind of optimal technical scheme of the utility model, the gear includes the gear teeth and transmission shaft mounting hole, the gear teeth
Top be provided with curved, curved surface radian is identical as the radian of gear fixed block middle gear chamber, the transmission shaft of two gears
The size of mounting hole is adapted with the size of driving shaft and driven shaft respectively.
As a kind of optimal technical scheme of the utility model, the diameter of driven shaft is 2~4 times of diameter of driving shaft.
The utility model beneficial effect achieved is: the utility model is respectively set in oil sucting cavity and pumping cavity and helps
Suction block and pressing aid block provide power altogether to oil suction and pressure oil, so that the capacity utilization of gear cavity is compared with tradition side
Formula improves, and more oil are drawn extrusion, so that hydraulic gear pump is more efficient.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model schematic diagram of internal structure；
Fig. 3 is the utility model gear fixed-block-architecture (FBA) schematic diagram；
Fig. 4 is the utility model gear structure schematic diagram；
Figure label: the 1, pump housing；11, gear fixed block；12, oil sucting cavity；121, suction block groove is helped；13, pumping cavity；131,
Pressing aid block groove；14, gear cavity；15, the first fixed plate；16, the second fixed plate；2, suction block is helped；21, the first drive rod；22,
One driving motor；3, pressing aid block；31, the second drive rod；32, the second driving motor；4, gear；41, the gear teeth；42, transmission shaft is pacified
Fill hole；5, driving shaft；6, driven shaft.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
In the description of the present invention, it should be noted that the instructions such as term "vertical", "upper", "lower", "horizontal"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment: as shown in Figs 1-4, the utility model provides a kind of high performance hydraulic gear pump, including the pump housing 1, helps suction
Block 2, pressing aid block 3, gear 4, driving shaft 5, driven shaft 6 and controller；1 inner hollow of the pump housing, inside fixed setting are with teeth
Take turns fixed block 11, the first fixed plate 15, the second fixed plate 16；
11 inner hollow of gear fixed block is seal cavity, and gear 4 is fixed in gear fixed block 11, and with
Gear fixed block 11 fits closely, and 4 position of gear is gear cavity 14, and there are two gear 4, two teeth for setting in gear cavity 14
4 intermeshing of wheel, and two 4 central axes of gear are provided with transmission shaft mounting hole 42 on same vertical line at 4 center of gear,
Corresponding position is also provided with through-hole on gear fixed block 11, and driving shaft 5 and driven shaft 6 are each passed through the through-hole on gear fixed block 11
It is fixed in transmission shaft mounting hole 42；The driving shaft 5 passes through the first fixed plate 15 on the pump housing 1 with driven shaft 6 respectively
It is fixed on the pump housing 1 with the second fixed plate 16, driving shaft 5 stretches out the pump housing 1 and connects driving motor, driving motor connection control
Device；
The internal cavity of gear fixed block 11 is divided into oil sucting cavity 12 and pumping cavity 13 by gear cavity 14, and 12 bottom of oil sucting cavity is set
It is equipped with and helps suction block 2, pressing aid block 3 is provided in pumping cavity 13.
Further, described to help suction block 2 cylindrical, it is provided in the bottom of oil sucting cavity 12 and helps suction block groove 121, help suction block
Groove 121 is fitted close with suction block 2 is helped, and 2 bottom of suction block is helped to be provided with the first drive rod 21, and the first drive rod 21 passes through and helps suction block
The bottom of groove 121 is connected with the first driving motor 22, and the first driving motor 22 is fixed on the pump housing 1, the first driving electricity
Machine 22 connects controller.
Further, the pressing aid block 3 is cylindrical, is provided with pressing aid block groove 131, pressing aid block in the bottom of pumping cavity 13
Groove 131 and pressing aid block 3 are fitted close, and 3 bottom of pressing aid block is provided with the second drive rod 31, and the second drive rod 31 passes through pressing aid block
The bottom of groove 131 is connected with the second driving motor 32, and the second driving motor 32 is fixed on the pump housing 1, the second driving electricity
Machine 32 connects controller.
Further, the gear 4 includes the gear teeth 41 and transmission shaft mounting hole 42, and the top of the gear teeth 41 is provided with curved surface
Shape, curved surface radian is identical as the radian of 11 middle gear chamber 14 of gear fixed block, the ruler of the transmission shaft mounting hole 42 of two gears 4
It is very little to be adapted respectively with the size of driving shaft 5 and driven shaft 6.
Further, the diameter of driven shaft 6 is 2~4 times of diameter of driving shaft 5.
Specific: gear 4 is fitted closely with gear fixed block 11, and the gear teeth 41 of gear 4 are set as and gear fixed block
The 11 identical curved surface of 14 radian of gear cavity, so adjacent teeth 41 and gear cavity 14 form a closed small cavity.
Gear 4 is transmitted the driving shaft 5 installed in shaft mounting hole 42 and drives rotation, drives another tooth being meshed therewith
4 rotation of wheel, another gear 4 are installed on the driven shaft 6；It is solid that driving shaft 5 and driven shaft 6 are fixed on the first fixed plate 15 and second
On fixed board 16, the first fixed plate 15 and the second fixed plate 16 are fixed on inside the pump housing 1.
In Fig. 1, full of oil in oil sucting cavity 12, the gear 4 of top rotates counterclockwise under driving shaft drive, the tooth of lower section
Wheel 4 then rotates clockwise；In the course of rotation, since whole device is sealing, when the gear teeth 41 of script engagement are gradually remote
From, it will form a small-sized vacuum chamber, it is oily to be squeezed into this vacuum chamber under atmospheric pressure, in the drive of the gear teeth 41
Under, it can go in other side pumping cavity 13；The gear teeth 41 in pumping cavity 13 and the state in oil sucting cavity 13 on the contrary, it is originally former from
The gear teeth 41 be constantly engaged, so that the volume of pumping cavity 13 be made to become smaller, oil is made to experience pressure, is forced out.
Since the top of the gear teeth 41 is set as arc surface, there is certain size, so depositing a kind of this situation is to work as upper and lower sides
41 top of the gear teeth simultaneously when entering gear cavity 14, it is whole it is intracavitary is without oil suction or pressure oil process.
It helps suction block 2 and pressing aid block 3 to be separately mounted in oil sucting cavity 12 and oil sucting cavity 13, suction block 2 and pressing aid block 3 is helped to exist respectively
It ceaselessly pumps under the action of the first driving motor 22 and the second driving motor 32 of bottom installation, helps suction block
2 in the process of movement, and when moving upwards, oil supply pressure, the oil in gear cavity 14 is filled out fuller；Pressing aid block 3 is transported downwards
When dynamic, surrounding pressure can be made to reduce, convenient for oil more quickly outflow.The driving of driving shaft 5 is controlled by controller
Motor, the first driving motor 22 and the second driving motor 32 so that oil-absorbing process with help suction block 2 to move upwards process to be overlapped, when
When withdrawal without oil suction helps suction block 2；Make pressure oil process move downward process with pressing aid block to be overlapped, liter when without oil suction
Play pressing aid block 3.
Meanwhile helping suction block 2 and pressing aid block 3 to be tightly disposed in and helping in suction block groove 121 and pressing aid block groove 131, oil will not
It penetrates into slot.
During the motion, the abrasion being subject to due to driven shaft 6 is bigger, first damages, so setting has a diameter larger than actively
The diameter of axis 5, the service life to guarantee the two are close.
Finally, it should be noted that the above is only the preferred embodiment of the utility model, it is not limited to practical
It is novel, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include
It is within the protection scope of the utility model.
Claims (5)
1. a kind of high performance hydraulic gear pump, which is characterized in that including the pump housing (1), help suction block (2), pressing aid block (3), gear
(4), driving shaft (5), driven shaft (6) and controller；The pump housing (1) inner hollow, inside is fixedly installed gear fixed block
(11), the first fixed plate (15), the second fixed plate (16)；
Gear fixed block (11) inner hollow is seal cavity, and gear (4) is fixed in gear fixed block (11), and
It is fitted closely with gear fixed block (11), gear (4) position is gear cavity (14), and there are two teeth for setting in gear cavity (14)
It takes turns (4), two gear (4) intermeshings, and two gear (4) central axes are provided at gear (4) center on same vertical line
It is driven shaft mounting hole (42), corresponding position is also provided with through-hole on gear fixed block (11), and driving shaft (5) and driven shaft (6) are divided
Not Chuan Guo the through-hole on gear fixed block (11) be fixed in transmission shaft mounting hole (42)；The driving shaft (5) and driven shaft (6)
The first fixed plate (15) and the second fixed plate (16) passed through on the pump housing (1) respectively is fixed on the pump housing (1), driving shaft
(5) it stretches out the pump housing (1) and connects driving motor, driving motor connects controller；
The internal cavity of gear fixed block (11) is divided into oil sucting cavity (12) and pumping cavity (13), oil sucting cavity (12) by gear cavity (14)
Bottom setting helps suction block (2), and pressing aid block (3) are provided in pumping cavity (13).
2. a kind of high performance hydraulic gear pump according to claim 1, which is characterized in that described to help suction block (2) in cylinder
Shape is provided in the bottom of oil sucting cavity (12) and helps suction block groove (121), helps suction block groove (121) and suction block (2) is helped to be fitted close,
Suction block (2) bottom is helped to be provided with the first drive rod (21), the first drive rod (21), which passes through, helps the bottom of suction block groove (121) to connect
Have the first driving motor (22), the first driving motor (22) is fixed on the pump housing (1), the first driving motor (22) connection control
Device processed.
3. a kind of high performance hydraulic gear pump according to claim 1, which is characterized in that the pressing aid block (3) is in cylinder
Shape is provided with pressing aid block groove (131) in the bottom of pumping cavity (13), and pressing aid block groove (131) and pressing aid block (3) are fitted close,
Pressing aid block (3) bottom is provided with the second drive rod (31), and the bottom that the second drive rod (31) passes through pressing aid block groove (131) connects
Have the second driving motor (32), the second driving motor (32) is fixed on the pump housing (1), the second driving motor (32) connection control
Device processed.
4. a kind of high performance hydraulic gear pump according to claim 1, which is characterized in that the gear (4) includes the gear teeth
(41) and transmission shaft mounting hole (42), it is provided with curved at the top of the gear teeth (41), curved surface radian and gear fixed block (11)
The radian of middle gear chamber (14) is identical, the size of the transmission shaft mounting hole (42) of two gears (4) respectively with driving shaft (5) and from
The size of moving axis (6) is adapted.
5. a kind of high performance hydraulic gear pump according to claim 1, which is characterized in that the diameter of driven shaft (6) is main
2~4 times of the diameter of moving axis (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821090188.3U CN208651135U (en) | 2018-07-11 | 2018-07-11 | A kind of high performance hydraulic gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821090188.3U CN208651135U (en) | 2018-07-11 | 2018-07-11 | A kind of high performance hydraulic gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651135U true CN208651135U (en) | 2019-03-26 |
Family
ID=65783623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821090188.3U Expired - Fee Related CN208651135U (en) | 2018-07-11 | 2018-07-11 | A kind of high performance hydraulic gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651135U (en) |
-
2018
- 2018-07-11 CN CN201821090188.3U patent/CN208651135U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210128 Address after: 402260 No.4, 1st floor, building 1, winery return room, No.34 Qiaoxi Road, degan street, Jiangjin District, Chongqing Patentee after: Chongqing wofete Pump Co., Ltd Address before: No.26, Banshan village, Jiulong Park, Jiulongpo District, Chongqing 400052 Patentee before: CHONGQING YEDONG TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20210711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |