CN102705229B - Pressure regulating gear pump - Google Patents
Pressure regulating gear pump Download PDFInfo
- Publication number
- CN102705229B CN102705229B CN201210009847.7A CN201210009847A CN102705229B CN 102705229 B CN102705229 B CN 102705229B CN 201210009847 A CN201210009847 A CN 201210009847A CN 102705229 B CN102705229 B CN 102705229B
- Authority
- CN
- China
- Prior art keywords
- gear
- pump
- driving
- pressure
- motor
- 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.)
- Active
Links
Landscapes
- Rotary Pumps (AREA)
Abstract
The invention discloses a pressure regulating gear pump which comprises a motor. The motor is fixedly connected with one end of a pump via a motor fixing plate, and the other end of the pump is provided with a pump cover. An output shaft of the motor is connected with a bearing insert in the pump via a pair of transmission parts. A lower baffle and an upper baffle are arranged in the pump, a driving gear and a driven gear which are meshed with each other are arranged between the lower baffle and the upper baffle and in a gear cover, the driving gear is connected with a driving shaft, and the driven gear is connected with a driven shaft. A decompressing groove is arranged at an inner hole of the gear cover to realize pressure regulation function.
Description
Technical field
The present invention relates to a kind of gear pump, be specifically related to a kind of pressure-regulating gear pump.
Background technique
Existing gear pump, does not generally have voltage regulation function.The driving component of gear pump generally need adopt mould once-through to go out two, and in use, the combination between two driving components is inadequate for this driving component.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of pressure-regulating gear pump, and it can realize voltage regulation function.
For solving the problems of the technologies described above, the technical solution of pressure-regulating gear pump of the present invention is:
Comprise motor 2, motor 2 is fixedly connected with by motor fixing plate 3 one end with the pump housing 8, and the other end of the pump housing 8 is provided with pump cover 20; The output shaft of motor 2 is connected in the bearing insert 9 in the pump housing 8 by a pair driving component 7, bearing insert 9 is arranged in the pump housing 8; Be provided with lower pedal 11, overhead gage 18 in the pump housing 8, be provided with intermeshing driving gear 12, driven gear 13 between lower pedal 11 and overhead gage 18, driving gear 12 connects driving shaft 15, and driven gear 13 connects driven shaft 14; Driving gear 12 and driven gear 13 are arranged in gear cap 16.
The arranged outside of described pump cover 20 has trim 21.
The arranged outside of described pump cover 20 has pressure switch 24, is provided with pressure switch seal ring 23 between pressure switch 24 and pump cover 20.
Described pressure switch 24 is provided with pressure switch lid 27.
The endoporus of described gear cap 16 is provided with decompressing groove 16-1.
One end of described driving component 7 is provided with two drive block 7-1, forms two driving groove 7-2 between two drive block 7-1; The shape of drive block 7-1 is identical with the shape of driving groove 7-2.
Be provided with three O shape circles in described bearing seal 10, O shape circle is integrally formed with bearing seal 10.
The technique effect that the present invention can reach is:
The present invention is provided with decompressing groove at the endoporus of gear cap, can realize voltage regulation function.
In the fabrication process, one set of die only does driving component, then a combination of two to driving component of the present invention.
The present invention is provided with three O shape circles in bearing seal, in using process when water enters bearing seal, can expand rubber seal, thus play seal action.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the outline drawing of pressure-regulating gear pump of the present invention;
Fig. 2 is decomposing schematic representation of the present invention;
Fig. 3 is the decomposing schematic representation of another kind of embodiment of the present invention;
Fig. 4 is the schematic diagram of gear cap of the present invention;
Fig. 5 is the schematic diagram of driving component of the present invention.
Description of reference numerals in figure:
1 is cross recessed pan head tapping screw, and 2 is motor,
3 is motor fixing plate, and 4 is plain washer,
5 is spring washer, and 6 is Cross Recess Head Screw,
7 is driving component, and 8 is the pump housing,
9 is bearing insert, and 10 is bearing seal,
11 is lower pedal, and 12 is driving gear,
13 is driven gear, and 14 is driven shaft,
15 is driving shaft, and 16 is gear cap,
17 is O type circle, and 18 is overhead gage,
19 is O type circle, and 20 is pump cover,
21 is trim, and 22 is cross recessed pan head tapping screw,
23 is pressure switch seal ring, and 24 is pressure switch,
25 is cross recessed pan head tapping screw, and 26 is Cross Recess Head Screw,
27 is pressure switch lid, and 28 is Cross Recess Head Screw,
16-1 is decompressing groove, and 7-1 is drive block,
7-2 is driving groove.
Embodiment
As shown in Figure 1 and Figure 2, pressure-regulating gear pump of the present invention, comprises motor 2, and motor 2 is fixedly connected with by motor fixing plate 3 one end with the pump housing 8, and the other end of the pump housing 8 is provided with pump cover 20;
Achieved a fixed connection by Cross Recess Head Screw 6, spring washer 5, plain washer 4 between motor fixing plate 3 and motor 2; Achieved a fixed connection by cross recessed pan head tapping screw 1 between motor 2, motor fixing plate 3, the pump housing 8;
Achieved a fixed connection by cross recessed pan head tapping screw 1 between pump cover 20 and the pump housing 8;
The output shaft of motor 2 is connected in the bearing insert 9 in the pump housing 8 by a pair driving component 7, bearing insert 9 is arranged in the pump housing 8;
Be provided with lower pedal 11, overhead gage 18 in the pump housing 8, be provided with intermeshing driving gear 12, driven gear 13 between lower pedal 11 and overhead gage 18, driving gear 12 connects driving shaft 15, and driven gear 13 connects driven shaft 14;
Driving gear 12 and driven gear 13 are arranged in gear cap 16, are provided with O type circle 17 between gear cap 16 and the pump housing 8;
O type circle 19 is provided with between overhead gage 18 and pump cover 20;
Be illustrated in figure 2 the gear pump of embodiments of the invention not with pressure switch, the arranged outside of pump cover 20 has trim 21, is achieved a fixed connection between trim 21 and pump cover 20 by cross recessed pan head tapping screw 22.
Be illustrated in figure 3 the gear pump of another embodiment of the present invention band pressure switch, the arranged outside of pump cover 20 has pressure switch 24, is provided with pressure switch seal ring 23 between pressure switch 24 and pump cover 20; Pressure switch 24 is for pressure regulation;
Achieved a fixed connection by cross recessed pan head tapping screw 25 and Cross Recess Head Screw 26 between pressure switch 24 and pump cover 20;
Pressure switch 24 is provided with pressure switch lid 27, is achieved a fixed connection between pressure switch lid 27 and pressure switch 24 by Cross Recess Head Screw 28.
As shown in Figure 4, the endoporus of gear cap 16 is provided with decompressing groove 16-1.
As shown in Figure 5, one end of driving component 7 is provided with two drive block 7-1, forms two driving groove 7-2 between two drive block 7-1; The shape of drive block 7-1 is identical with the shape of driving groove 7-2;
During use, the drive block 7-1 of a driving component 7 matches with the driving groove 7-2 of another driving component 7.
In the fabrication process, one set of die only does driving component, then a combination of two to driving component 7 of the present invention.
Be provided with three O shape circles in bearing seal 10, O shape circle is integrally formed with bearing seal 10.In using process, when water enters bearing seal 10, can rubber seal be expanded, thus play seal action.
Claims (6)
1. a pressure-regulating gear pump, is characterized in that: comprise motor (2), and motor (2) is fixedly connected with by motor fixing plate (3) one end with the pump housing (8), and the other end of the pump housing (8) is provided with pump cover (20); The output shaft of motor (2) is connected in the bearing insert (9) in the pump housing (8) by a pair driving component (7), bearing insert (9) is arranged in the pump housing (8); Lower pedal (11), overhead gage (18) is provided with in the pump housing (8), intermeshing driving gear (12), driven gear (13) is provided with between lower pedal (11) and overhead gage (18), driving gear (12) connects driving shaft (15), and driven gear (13) connects driven shaft (14); Driving gear (12) and driven gear (13) are arranged in gear cap (16); The endoporus of described gear cap (16) is provided with the decompressing groove (16-1) radially extended.
2. pressure-regulating gear pump according to claim 1, is characterized in that: the arranged outside of described pump cover (20) has trim (21).
3. pressure-regulating gear pump according to claim 1, is characterized in that: the arranged outside of described pump cover (20) has pressure switch (24), is provided with pressure switch seal ring (23) between pressure switch (24) and pump cover (20).
4. pressure-regulating gear pump according to claim 3, is characterized in that: described pressure switch (24) is provided with pressure switch lid (27).
5. pressure-regulating gear pump according to claim 1, is characterized in that: one end of described driving component (7) is provided with two drive blocks (7-1), forms two driving grooves (7-2) between two drive blocks (7-1); The shape of drive block (7-1) is identical with the shape of driving groove (7-2).
6. pressure-regulating gear pump according to claim 1, is characterized in that: be provided with three O shape circles in the bearing seal (10) of described bearing insert (9), O shape circle is integrally formed with bearing seal (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210009847.7A CN102705229B (en) | 2012-01-13 | 2012-01-13 | Pressure regulating gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210009847.7A CN102705229B (en) | 2012-01-13 | 2012-01-13 | Pressure regulating gear pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102705229A CN102705229A (en) | 2012-10-03 |
| CN102705229B true CN102705229B (en) | 2015-04-08 |
Family
ID=46898227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210009847.7A Active CN102705229B (en) | 2012-01-13 | 2012-01-13 | Pressure regulating gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102705229B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0443879A (en) * | 1990-06-09 | 1992-02-13 | Matsushita Electric Works Ltd | Gear pump |
| EP0614011A1 (en) * | 1993-03-05 | 1994-09-07 | Robert Bosch Gmbh | Gear machine (pump or motor) |
| US5391068A (en) * | 1994-02-15 | 1995-02-21 | Eaton Corporation | Gear pump |
| CN2508048Y (en) * | 2001-11-14 | 2002-08-28 | 罗耀刚 | Hydraulic drive shaft coupling of tractor |
| CN1550672A (en) * | 2003-05-19 | 2004-12-01 | �ִ��Զ�����ʽ���� | Oil pump structure |
| CN2670625Y (en) * | 2003-11-29 | 2005-01-12 | 龚张杰 | Self controlled pressure regulating pump |
| CN201730824U (en) * | 2010-07-22 | 2011-02-02 | 浙江腾宇泵阀设备有限公司 | Stainless steel magnetic transmission gear pump |
| CN202417934U (en) * | 2012-01-13 | 2012-09-05 | 陈华军 | Pressure-adjusting gear pump |
-
2012
- 2012-01-13 CN CN201210009847.7A patent/CN102705229B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0443879A (en) * | 1990-06-09 | 1992-02-13 | Matsushita Electric Works Ltd | Gear pump |
| EP0614011A1 (en) * | 1993-03-05 | 1994-09-07 | Robert Bosch Gmbh | Gear machine (pump or motor) |
| US5391068A (en) * | 1994-02-15 | 1995-02-21 | Eaton Corporation | Gear pump |
| CN2508048Y (en) * | 2001-11-14 | 2002-08-28 | 罗耀刚 | Hydraulic drive shaft coupling of tractor |
| CN1550672A (en) * | 2003-05-19 | 2004-12-01 | �ִ��Զ�����ʽ���� | Oil pump structure |
| CN2670625Y (en) * | 2003-11-29 | 2005-01-12 | 龚张杰 | Self controlled pressure regulating pump |
| CN201730824U (en) * | 2010-07-22 | 2011-02-02 | 浙江腾宇泵阀设备有限公司 | Stainless steel magnetic transmission gear pump |
| CN202417934U (en) * | 2012-01-13 | 2012-09-05 | 陈华军 | Pressure-adjusting gear pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102705229A (en) | 2012-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102705229B (en) | Pressure regulating gear pump | |
| CN202417934U (en) | Pressure-adjusting gear pump | |
| WO2013113792A3 (en) | Windscreen wiper motor, housing in particular for a windscreen wiper motor, and method for producing a housing | |
| CN107269800A (en) | A kind of gear of oil storage lubrication | |
| CN203463918U (en) | Oil pump for motorcycle engine | |
| CN204692513U (en) | A kind of jack shaft one grade of gear | |
| CN206129593U (en) | Electric pipe threading machine oil pump and pump body thereof | |
| CN204089433U (en) | Plastic packaging motor | |
| CN202475142U (en) | Motor and reduction gearbox connecting mechanism of waterwheel aerator | |
| CN204992909U (en) | Windscreen wiper motor | |
| CN204587007U (en) | Power-assisted steering pump used for electric vehicle | |
| CN103909162B (en) | A kind of capillary shrinking machine | |
| WO2015023398A3 (en) | Injection molded blank for lead screw, rotor-blank assembly and method for producing same | |
| CN204603047U (en) | A kind of transmission housing mould | |
| CN204099552U (en) | Mini-tiller power mounting flange | |
| CN202707697U (en) | Hydraulic control system for sole forming machine | |
| CN201507444U (en) | Oil pump for double-clutch motorcycle engine | |
| CN104930126A (en) | Adjustable worm driving device | |
| CN203962924U (en) | A kind of cooling gear | |
| CN205350094U (en) | Supporting bearing of using of no cone pulley fly frame | |
| CN202596834U (en) | Automobile engine sump tank | |
| CN204198202U (en) | The gear ring fixed sturcture of elevator traction machine | |
| CN203481998U (en) | Dual-output bevel-gear right-angle gear motor | |
| CN203359898U (en) | Electric oil pressure lifter for vehicle | |
| CN202327068U (en) | Piston for low speed gear of automobile gearbox |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180615 Address after: 318014 No. 1008 Sai Kai Road, Jiaojiang District, Taizhou, Zhejiang Patentee after: TAIZHOU CITY HANGYU PLASTIC CO., LTD. Address before: 317511 room 304, 2 unit 10, Yuen Ying garden, Cha Shan residence, Wenling, Taizhou, Zhejiang. Co-patentee before: Taizhou Luqiao Jiahong Machinery Fittings Factory Patentee before: Chen Huajun |
|
| TR01 | Transfer of patent right |