CN102705229A - Pressure regulating gear pump - Google Patents
Pressure regulating gear pump Download PDFInfo
- Publication number
- CN102705229A CN102705229A CN2012100098477A CN201210009847A CN102705229A CN 102705229 A CN102705229 A CN 102705229A CN 2012100098477 A CN2012100098477 A CN 2012100098477A CN 201210009847 A CN201210009847 A CN 201210009847A CN 102705229 A CN102705229 A CN 102705229A
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- Prior art keywords
- gear
- pump
- driving
- motor
- pressure switch
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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 regulation gear pump.
Background technique
Existing gear pump does not generally have voltage regulation function.The driving component of gear pump generally need adopt the mould once-through to go out two, this driving component in use, the combination between two driving components is not enough.
Summary of the invention
Technical problem to be solved by this invention provides a kind of pressure regulation gear pump, and it can realize voltage regulation function.
For solving the problems of the technologies described above, the technical solution of pressure regulation gear pump of the present invention is:
Comprise motor 2, motor 2 is fixedly connected with an end of the pump housing 8 through motor fixing plate 3, 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 inserts 9 in the pump housing 8 through a pair of driving component 7, and bearing inserts 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 the overhead gage 18, driving gear 12 connects driving shafts 15, and driven gear 13 connects driven shafts 14; Driving gear 12 is arranged in the gear cap 16 with driven gear 13.
The arranged outside of said pump cover 20 has trim 21.
The arranged outside of said pump cover 20 has pressure switch 24, is provided with pressure switch seal ring 23 between pressure switch 24 and the pump cover 20.
Said pressure switch 24 is provided with pressure switch lid 27.
The endoporus of said gear cap 16 is provided with decompressing groove 16-1.
One end of said 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 the said 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.
Driving component of the present invention is in manufacture process, and a mold is only done a driving component, then combination in twos.
The present invention is provided with three O shape circles in bearing seal, when water gets into bearing seal, can expand rubber seal, thereby play seal action in the using process.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation:
Fig. 1 is the outline drawing of pressure regulation gear pump of the present invention;
Fig. 2 is a decomposing schematic representation of the present invention;
Fig. 3 is an another kind of embodiment's of the present invention decomposing schematic representation;
Fig. 4 is the schematic representation of gear cap of the present invention;
Fig. 5 is the schematic representation of driving component of the present invention.
Description of reference numerals among the 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 the bearing inserts, 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 the 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 are the pressure switch lid, and 28 is Cross Recess Head Screw,
16-1 is a decompressing groove, and 7-1 is a drive block,
7-2 is a driving groove.
Embodiment
Like Fig. 1, shown in Figure 2, pressure regulation gear pump of the present invention comprises motor 2, and motor 2 is fixedly connected with an end of the pump housing 8 through motor fixing plate 3, and the other end of the pump housing 8 is provided with pump cover 20;
Achieve a fixed connection through Cross Recess Head Screw 6, spring washer 5, plain washer 4 between motor fixing plate 3 and the motor 2; Achieve a fixed connection through cross recessed pan head tapping screw 1 between motor 2, motor fixing plate 3, the pump housing 8;
Achieve a fixed connection through cross recessed pan head tapping screw 1 between the pump cover 20 and the pump housing 8;
The output shaft of motor 2 is connected in the bearing inserts 9 in the pump housing 8 through a pair of driving component 7, and bearing inserts 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 the overhead gage 18, driving gear 12 connects driving shafts 15, and driven gear 13 connects driven shafts 14;
Be provided with O type circle 19 between overhead gage 18 and the pump cover 20;
Be illustrated in figure 2 as embodiments of the invention not with the gear pump of pressure switch, the arranged outside of pump cover 20 has trim 21, achieves a fixed connection through cross recessed pan head tapping screw 22 between trim 21 and the pump cover 20.
Be illustrated in figure 3 as 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 the pump cover 20; Pressure switch 24 is used for pressure regulation;
Achieve a fixed connection through cross recessed pan head tapping screw 25 and Cross Recess Head Screw 26 between pressure switch 24 and the pump cover 20;
As shown in Figure 4, the endoporus of gear cap 16 is provided with decompressing groove 16-1.
As shown in Figure 5, an 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.
Be provided with three O shape circles in the bearing seal 10, O shape circle is integrally formed with bearing seal 10.In the using process, when water gets into bearing seal 10, can expand rubber seal, thereby play seal action.
Claims (7)
1. pressure regulation gear pump is characterized in that: comprise motor (2), motor (2) is fixedly connected with an end of the pump housing (8) through motor fixing plate (3), 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 inserts (9) in the pump housing (8) through a pair of driving component (7), and bearing inserts (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 the 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 the gear cap (16).
2. pressure regulation gear pump according to claim 1 is characterized in that: the arranged outside of said pump cover (20) has trim (21).
3. pressure regulation gear pump according to claim 1 is characterized in that: the arranged outside of said pump cover (20) has pressure switch (24), is provided with pressure switch seal ring (23) between pressure switch (24) and the pump cover (20).
4. pressure regulation gear pump according to claim 3 is characterized in that: said pressure switch (24) is provided with pressure switch lid (27).
5. pressure regulation gear pump according to claim 1 is characterized in that: the endoporus of said gear cap 16 is provided with decompressing groove (16-1).
6. pressure regulation gear pump according to claim 1 is characterized in that: an end of said 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).
7. pressure regulation gear pump according to claim 1 is characterized in that: be provided with three O shape circles in the said bearing seal (10), 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 true CN102705229A (en) | 2012-10-03 |
| CN102705229B 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 |
Non-Patent Citations (1)
| Title |
|---|
| 宋子玉: "《机械制图》", 31 August 1991, 北京航空航天大学出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102705229B (en) | 2015-04-08 |
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|---|---|---|---|
| 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 | ||
| 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 |