CN105240268A - Gear pump - Google Patents
Gear pump Download PDFInfo
- Publication number
- CN105240268A CN105240268A CN201510646786.9A CN201510646786A CN105240268A CN 105240268 A CN105240268 A CN 105240268A CN 201510646786 A CN201510646786 A CN 201510646786A CN 105240268 A CN105240268 A CN 105240268A
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- Prior art keywords
- straight plate
- gear pump
- gear
- oil trap
- pump according
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- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses a gear pump which comprises a base, a motor and a pump body. Both the motor and the pump body are fixed to the base. The pump body comprises an end cover and a cylinder body. One side of the cylinder body is open. The open area of the cylinder body is covered with the end cover. A driving gear, a driven gear and a long shaft are arranged in an inner cavity of the cylinder body. The driving gear meshes with the driven gear. One end of the long shaft is connected with the driving gear, and the other end of the long shaft extends out of the open area, penetrates through the end cover and is connected with an output shaft of the motor through a coupler. A sealing ring is arranged between the end cover and the long shaft. An oil collecting trough is arranged below the sealing ring, the top of the oil collecting trough is open, and the bottom of the oil collecting trough is mounted on the base. The gear pump has the advantages that oil leaking out of the gear pump can be collected in time, oil pollution is prevented, and the cleanliness of the coupler is maintained effectively.
Description
Technical field
The present invention relates to displacement pump technical field, particularly relate to a kind of gear pump.
Background technique
Gear pump relies on the swept volume formed between cylinder body and engaging gear to change and moves the rotary pump of delivering oil.When pinion rotation, the volume in the space of the side that is out of gear is large from little change, forms vacuum, is sucked by fluid, and fluid from diminishing greatly, and is clamp-oned in pipeline and gone by the volume in the space of gears meshing side.
Seal ring is set between gear pump end cap and major axis, can effectively prevents gear pump leakage of oil, and the effect of anti-steam, waterproof and dustproof can be played.But seal ring after long-term use, can occur aging, damaged, the fluid in cylinder body is caused to flow out from the breakage spot of seal ring.If the fluid flowed out processes not in time, the waste of fluid can be caused on the one hand, pollute the environment on the other hand.In addition, coupling is exposed in external environment for a long time, can suck dust, affects the turbidity test of gear pump, notably, affects the working efficiency of gear pump.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of timely collection gear pump oil spill liquid, prevent oil contamination, effectively maintain the gear pump of the turbidity test of coupling.
The present invention is solved the problems of the technologies described above by following technological means: a kind of gear pump, comprises base, motor and the pump housing, and described motor, the described pump housing are all fixed on described base, and the described pump housing comprises end cap and cylinder body; One side opening of described cylinder body, described end cap covers on the open area of described cylinder body; Driving gear, driven gear and major axis is provided with in the internal cavities of described cylinder body, described driving gear, driven gear engage each other, one end of described major axis is connected with described driving gear, and the other end of described major axis extends described open area, be connected by the output shaft of coupling with described motor through described end cap; Seal ring is provided with between described end cap and described major axis; The below of described seal ring is provided with oil trap, and the open top of described oil trap, bottom are arranged on described base.
Preferably: the top being parallel to the both sides in described long axis ray direction in described oil trap is provided with fitting seat, described baffle plate comprises the first straight plate, the second straight plate, arc plate, and the described first straight plate, the described second straight plate are in vertically placing; The bottom of the described first straight plate, the second straight plate is separately positioned in corresponding fitting seat, and the top of the described first straight plate, the second straight plate is connected by described arc plate.
Preferably: the two ends of described arc plate are all bent downwardly.
Preferably: in the spacing cavity be encircled at the described first straight plate, the second straight plate, arc plate and oil trap of described coupling.
Preferably: the open area at described oil trap top covers by described arc plate projection in vertical direction completely.
Preferably: described fitting seat is provided with draw-in groove, the bottom of the described first straight plate, the second straight plate plugs together respectively in the draw-in groove of correspondence.
Preferably: the inwall of described oil trap is provided with liquid level sensor.
Preferably: the lower end of described oil trap is provided with return tube, the oil inlet end of described return tube is connected with the inside oil storage space of described oil trap.
Preferably: on described return tube, be provided with electronic pump, described liquid level sensor exports and connects described electronic pump.
Preferably: the oil outlet end of described return tube is connected with oily filtrating equipment.
The invention has the advantages that:
(1) arrange oil trap by the below at seal ring, when seal ring occurs damaged, the fluid flowed out from breakage spot can flow into the oil storage space of oil trap, prevents fluid from flowing to external environment, causes the waste of fluid, pollution to environment.
(2) above oil trap, arrange baffle plate, the open area of oil trap can cover by the arc plate projection in vertical direction at baffle plate top completely, thus plays certain barrier effect to oil trap, reduces extraneous steam, dust to the pollution of fluid.
(3) in the cavity be encircled at the first straight plate, the second straight plate, arc plate and oil trap because coupling is spacing, effective isolation is played to coupling, effectively maintain the turbidity test of coupling.
(4) on the inwall of oil trap, be provided with liquid level sensor, control the volume of fluid.
(5) lower end of oil trap is provided with return tube, return tube is provided with the electronic pump that fluid,matching level sensor uses, when the height of the fluid saved in oil trap exceedes liquid level sensor induction level, send induced signal, driving electronic pump works, and is sucked in return tube by the fluid of oil trap.
(6) oily filtrating equipment is set at the oil outlet end of return tube, fluid is filtered, purification fluid.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of gear pump of the present invention.
Fig. 2 is that in a kind of gear pump of the present invention, baffle plate plugs together the structural representation under oil trap state.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1-2, the present invention discloses a kind of gear pump, comprise base 1, motor 2 and the pump housing, described motor 2, the pump housing are all fixed on described base 1, the described pump housing comprises end cap 31 and cylinder body 32, one side opening of described cylinder body 32, described end cap 31 covers the open area at described cylinder body 32.
Described cylinder body 32 internal cavities be provided with driving gear 33, driven gear 34 and with major axis 35, described driving gear 33, driven gear 34 engage each other, one end of described major axis 35 is connected with described driving gear 33, and the other end of described major axis 35 extends described open area, be connected by the output shaft of coupling 4 with described motor 2 through described end cap 31; Seal ring 36 is provided with between described end cap 31 and described major axis 35; The below of described seal ring 36 is provided with oil trap 37, and the open top of described oil trap 37, bottom are fixed on described base 1.
The top being parallel to the both sides of described major axis 35 axial direction in described oil trap 37 is provided with fitting seat (not shown in FIG.), the top of described oil trap 37 is provided with baffle plate 38, described baffle plate 38 comprises the straight plate 383 of the first straight plate 381, second, arc plate 382, the straight plate 383 of described first straight plate 381, second is in vertically placing, the bottom of the straight plate 383 of the described first straight plate 381, second is separately positioned in corresponding fitting seat, and the top of the straight plate 383 of the described first straight plate 381, second is welded by described arc plate 382.
Preferably, described arc plate 382 two ends are bent downwardly, in the spacing cavity be encircled at the straight plate 383 of the described first straight plate 381, second, arc plate 382 and oil trap 37 of described coupling 4.
Preferably, the open area at described oil trap 37 top covers by described arc plate 383 projection in vertical direction completely.
Preferably, described fitting seat is provided with draw-in groove 5, the bottom of the straight plate 383 of the described first straight plate 381, second to plug together in the draw-in groove of correspondence 5 respectively.
Preferably, the inwall of described oil trap 37 is provided with liquid level sensor 6, the lower end of described oil trap 37 is provided with return tube 7, the oil inlet end of described return tube 7 is connected with the inside oil storage space of described oil trap 37, described return tube 7 is provided with electronic pump 8, and described liquid level sensor 6 exports and connects described electronic pump 8.
Preferably, the oil outlet end of described return tube 7 is connected with oily filtrating equipment 9.
The foregoing is only the preferred embodiment of the invention; not in order to limit the invention; the any amendment done within all spirit in the invention and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in the invention.
Claims (10)
1. a gear pump, comprises base, motor and the pump housing, and described motor, the described pump housing are all fixed on described base, and the described pump housing comprises end cap and cylinder body; One side opening of described cylinder body, described end cap covers on the open area of described cylinder body; Driving gear, driven gear and major axis is provided with in the internal cavities of described cylinder body, described driving gear, driven gear engage each other, one end of described major axis is connected with described driving gear, and the other end of described major axis extends described open area, be connected by the output shaft of coupling with described motor through described end cap; Seal ring is provided with between described end cap and described major axis; It is characterized in that: the below of described seal ring is provided with oil trap, the open top of described oil trap, bottom are arranged on described base.
2. a kind of gear pump according to claim 1, it is characterized in that: the top being parallel to the both sides in described long axis ray direction in described oil trap is provided with fitting seat, described baffle plate comprises the first straight plate, the second straight plate, arc plate, and the described first straight plate, the described second straight plate are in vertically placing; The bottom of the described first straight plate, the second straight plate is separately positioned in corresponding fitting seat, and the top of the described first straight plate, the second straight plate is connected by described arc plate.
3. a kind of gear pump according to claim 2, is characterized in that: the two ends of described arc plate are all bent downwardly.
4. a kind of gear pump according to claim 3, is characterized in that: in the spacing cavity be encircled at the described first straight plate, the second straight plate, arc plate and oil trap of described coupling.
5. a kind of gear pump according to claim 2, is characterized in that: the open area at described oil trap top covers by described arc plate projection in vertical direction completely.
6. a kind of gear pump according to claim 2, is characterized in that: described fitting seat is provided with draw-in groove, and the bottom of the described first straight plate, the second straight plate plugs together respectively in the draw-in groove of correspondence.
7. a kind of gear pump according to claim 1, is characterized in that: the inwall of described oil trap is provided with liquid level sensor.
8. a kind of gear pump according to claim 7, is characterized in that: the lower end of described oil trap is provided with return tube, the oil inlet end of described return tube is connected with the inside oil storage space of described oil trap.
9. a kind of gear pump according to claim 8, is characterized in that: on described return tube, be provided with electronic pump, and described liquid level sensor exports and connects described electronic pump.
10. a kind of gear pump according to claim 9, is characterized in that: the oil outlet end of described return tube is connected with oily filtrating equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510646786.9A CN105240268B (en) | 2015-09-30 | 2015-09-30 | Gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510646786.9A CN105240268B (en) | 2015-09-30 | 2015-09-30 | Gear pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105240268A true CN105240268A (en) | 2016-01-13 |
| CN105240268B CN105240268B (en) | 2017-04-12 |
Family
ID=55038045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510646786.9A Active CN105240268B (en) | 2015-09-30 | 2015-09-30 | Gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105240268B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620457A (en) * | 2018-07-19 | 2018-10-09 | 珠海格力智能装备有限公司 | Bending mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201448213U (en) * | 2009-05-26 | 2010-05-05 | 常州碳酸钙有限公司 | Air compressor |
| CN103195703A (en) * | 2013-04-11 | 2013-07-10 | 天津泵业机械集团有限公司 | Emulsion explosive conveying twin-screw pump system |
| DE202012010401U1 (en) * | 2012-10-31 | 2014-02-03 | Hugo Vogelsang Maschinenbau Gmbh | Rotary pump with direct drive |
| CN203948287U (en) * | 2014-07-03 | 2014-11-19 | 珠海华润包装材料有限公司 | Oil transfer gear pump mechanism |
| CN204061162U (en) * | 2014-06-27 | 2014-12-31 | 上海绩优机电设备有限公司 | A kind of gear pump with rear pull type driver module |
| CN204082537U (en) * | 2014-08-01 | 2015-01-07 | 天津泵业机械集团有限公司 | Horizontal boom installs lubrication three screw pump unit |
| CN204476750U (en) * | 2015-01-29 | 2015-07-15 | 何祥军 | A kind of novel mass flow gear pump |
-
2015
- 2015-09-30 CN CN201510646786.9A patent/CN105240268B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201448213U (en) * | 2009-05-26 | 2010-05-05 | 常州碳酸钙有限公司 | Air compressor |
| DE202012010401U1 (en) * | 2012-10-31 | 2014-02-03 | Hugo Vogelsang Maschinenbau Gmbh | Rotary pump with direct drive |
| CN103195703A (en) * | 2013-04-11 | 2013-07-10 | 天津泵业机械集团有限公司 | Emulsion explosive conveying twin-screw pump system |
| CN204061162U (en) * | 2014-06-27 | 2014-12-31 | 上海绩优机电设备有限公司 | A kind of gear pump with rear pull type driver module |
| CN203948287U (en) * | 2014-07-03 | 2014-11-19 | 珠海华润包装材料有限公司 | Oil transfer gear pump mechanism |
| CN204082537U (en) * | 2014-08-01 | 2015-01-07 | 天津泵业机械集团有限公司 | Horizontal boom installs lubrication three screw pump unit |
| CN204476750U (en) * | 2015-01-29 | 2015-07-15 | 何祥军 | A kind of novel mass flow gear pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620457A (en) * | 2018-07-19 | 2018-10-09 | 珠海格力智能装备有限公司 | Bending mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105240268B (en) | 2017-04-12 |
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