CN205606155U - Gear pump - Google Patents
Gear pump Download PDFInfo
- Publication number
- CN205606155U CN205606155U CN201620428948.1U CN201620428948U CN205606155U CN 205606155 U CN205606155 U CN 205606155U CN 201620428948 U CN201620428948 U CN 201620428948U CN 205606155 U CN205606155 U CN 205606155U
- Authority
- CN
- China
- Prior art keywords
- pump
- gear assembly
- pump housing
- oil
- gear
- 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.)
- Expired - Fee Related
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract 5
- 239000003921 oil Substances 0.000 description 67
- 238000009958 sewing Methods 0.000 description 30
- 239000010687 lubricating oil Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000010721 machine oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002085 persistent effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model provides a multifunctional gear pump, it includes the first pump body, the second pump body, the oil absorption gear assembly, the oil spout gear assembly, pump shaft and end cover, the one end and the one end of the second pump body of the first pump body are connected, be formed with first pump chamber on the first pump body, hold the oil absorption gear assembly in first pump chamber, be formed with the second pump chamber on the second pump body, hold the oil spout gear assembly in the second pump chamber, oil absorption gear assembly and oil spout gear assembly all constitute by the inner rotor with inner rotor complex external rotor, the pump shaft passes the middle part of the first pump body and the second pump body and is connected with the inner rotor of oil absorption gear assembly and the inner rotor of oil spout gear assembly, the end cover covers the other end of the second pump body, be formed with 3 inlet ports that incline and communicate with the oil absorption of first pump chamber on the outer peripheral face of the first pump body, be formed with the jet that inclines and communicate with the oil spout of second pump chamber on the outer peripheral face of the second pump body.
Description
Technical field
This utility model relates to a kind of gear pump.
Background technology
Currently, sewing machine is widely used in garment manufacturing industry, especially industrial sewing machine, more extensively
Be applied in the manufacturing enterprise of batch micro operations clothing.In such sewing machine, lubricating oil is sewing machine fortune
Requisite articles for use in Zhuaning, only continue to sewing machine housing inner driving medium sustainable supply lubricating oil, ability
Enough ensure that sewing machine entirety operates smoothly.
The generally bottom at sewing machine is provided with oil groove, is supplied the lubricating oil in oil groove to seam by gear pump
Thread the drive disk assembly in the housing of machine, additionally will be back to oil return pipe from each drive disk assembly also by gear pump
Lubricating oil be recycled to oil groove.
But, in the prior art, the inlet port of gear pump generally only has one, it is impossible to enough satisfied to sewing
Multiple drive disk assemblies of machine carry out the requirement of oil suction simultaneously, and carry out oil suction and oil spout by pump respectively,
Thus need in sewing machine housing, form bigger gear pump and accommodate space, cause sewing machine entirety to maximize.
Utility model content
This utility model proposes for problems of the prior art, its object is to provide one
Multi-functional gear pump.
Adopt the following technical scheme that for realizing the purpose of this utility model.
The gear pump of technical scheme 1, including first pump housing, second pump housing, oil suction gear assembly, oil spout tooth
Wheel assembly, pump shaft and end cap, one end of described first pump housing is connected with one end of described second pump housing,
It is formed with the first pump chamber on described first pump housing, described first pump chamber accommodates described oil suction gear assembly,
Described second pump housing is formed with the second pump chamber, described second pump chamber accommodates described oil spout gear assembly,
Described oil suction gear assembly and described oil spout gear assembly are all from internal rotor and coordinate with described internal rotor outer turn
Son is constituted, and described pump shaft passes the middle part of described first pump housing and described second pump housing and described oil suction gear train
The internal rotor of part and the internal rotor of described oil spout gear assembly connect, and described end cap covers described second pump housing
The other end, be formed with on the outer peripheral face of described first pump housing that the intake side with described first pump chamber connects 3
Individual inlet port, is formed with what the oil spout side with described second pump chamber connected on the outer peripheral face of described second pump housing
Jet.
The gear pump of technical scheme 2, in the gear pump of technical scheme 1, the axis of 3 described inlet ports with
Angle between horizontal line is respectively 45 °, 61 ° and 90 °.
The gear pump of technical scheme 3, in the gear pump of technical scheme 2, in the outer side covers of described end cap
There is filter screen.
Compared with prior art, this utility model has following beneficial effect.
According to the gear pump of technical scheme 1, gear pump is formed by connecting by first pump housing and second pump housing,
One pump housing and second pump housing accommodate oil suction gear assembly and oil spout gear assembly respectively, pump shaft run through the pump housing with
Oil suction gear assembly and oil spout gear assembly connect, and are formed and first pump housing on the outer peripheral face of first pump housing
3 inlet ports of the intake side connection of the first pump chamber, are formed and second pump housing on the outer peripheral face of second pump housing
The second pump chamber oil spout side connection jet.
By such gear pump, the intake side at the first pump chamber of first pump housing forms 3 inlet ports, thus
Multiple positions within sewing machine can be carried out oil suction by 3 inlet ports, it is possible to meet sewing machine simultaneously
Need the requirement of multiple spot oil return.It addition, oil suction gear assembly and oil spout can be simultaneously driven by a pump shaft
Gear assembly such that it is able to simultaneously realized the function of oil suction and oil spout by a gear pump.
Therefore, compared with prior art, it is not necessary to configure multiple gear pump and multiple positions of sewing machine are entered
Row oil suction, it is not required that be respectively provided with oil suction gear pump and oil spout gear pump, only by a gear pump with regard to energy
Enough meet the needs of sewing machine oil suction and oil spout, thus need not the biggest gear in the inside of sewing machine housing
The receiving space of pump, makes sewing machine housing miniaturization, easily facilitates carrying mobile.
It addition, according to the gear pump of technical scheme 2, the angle between axis and the horizontal line of 3 inlet ports divides
It is not 45 °, 61 ° and 90 °, by being arranged on these three position, it is possible to make full use of the suction of the first pump chamber
Three inlet ports of spatial distribution of oil side, only arranging inlet port in these three angle position can fully carry
For negative pressure, reach the effect of abundant oil suction.
It addition, according to the gear pump of technical scheme 3, the outer side covers at end cap has filter screen.It is being stored in oil
In lubricating oil in groove, owing to recycling, it will usually the ferrum formed containing each parts friction of sewing machine
Bits etc., if such lubricating oil persistent loop with impurity uses, then can be to all parts in sewing machine
Cause abrasion, by the outer side covers filter screen at end cap, it is possible to filter from the entrance of end cap suck and from oil spout
The lubricating oil of mouth ejection, it is to avoid each parts of sewing machine are caused damage.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic representing gear pump of the present utility model.
Fig. 2 is the schematic side view representing first pump housing of the present utility model.
Fig. 3 is the schematic top plan view representing first pump housing of the present utility model.
Detailed description of the invention
Below, based on accompanying drawing, the gear pump as an example of the present utility model is described.
Fig. 1 is the cross-sectional schematic representing gear pump of the present utility model.Fig. 2 is to represent of the present utility model
The schematic side view of first pump housing.Fig. 3 is the schematic top plan view representing first pump housing of the present utility model.
As shown in Figure 1 to Figure 3, gear pump of the present utility model include first pump housing 10, second pump housing 20,
Oil suction gear assembly 30, oil spout gear assembly 40, pump shaft 50 and end cap 60.
One end of first pump housing 10 is connected with one end of second pump housing 20, is formed with on first pump housing 10
One pump chamber 11, accommodates oil suction gear assembly 30 in the first pump chamber 11, is formed with the on second pump housing 20
Two pump chambers 21, accommodate oil spout gear assembly 40 in the second pump chamber 21.
Oil suction gear assembly 30 and oil spout gear assembly 40 all by internal rotor 31,41 and with internal rotor 31,41
The outer rotor 32,42 coordinated is constituted.Pump shaft 50 through first pump housing 10 and second pump housing 20 middle part with
The internal rotor 31 of oil suction gear assembly 30 and the internal rotor 41 of oil spout gear assembly 40 connect, and end cap 60 covers
Cover the other end of second pump housing 20.
Specifically, the end face docking of the end face of one end of first pump housing and one end of second pump housing, and lead to
Cross screw to be fixed together.It addition, covered opening of the first pump chamber of the first noumenon by the end face of second pump housing
The receiving space of interruption-forming oil suction gear assembly, covers the opening of the second pump chamber of second pump housing by end cap,
Form the receiving space of oil spout gear assembly.
It addition, be formed with 3 that the intake side with the first pump chamber 11 connects on the outer peripheral face of first pump housing 10
Individual inlet port 12, is formed with what the oil spout side with the second pump chamber 21 connected on the outer peripheral face of second pump housing 20
Jet 22.Specifically, the internal rotor at the oil suction gear assembly of the first pump chamber is gradually disengaged with outer rotor
Part connection 3 inlet ports, the internal rotor at the oil spout gear assembly of the second pump chamber is gradually nibbled with outer rotor
The part connection jet closed.
When the pump shaft of gear pump rotates, from the inlet port oil suction of first pump housing, absorbed oil is via first
The pump chamber oil outlet from first pump housing and the junction of second pump housing flows into the oil groove bottom sewing machine.It addition,
Gear pump is via the oil groove oil suction bottom sewing machine of the entrance of end cap, from the jet oil spout of second pump housing.
By such gear pump, the intake side at the first pump chamber of first pump housing forms 3 inlet ports, thus
Multiple positions within sewing machine can be carried out oil suction by 3 inlet ports, it is possible to meet sewing machine simultaneously
Need the requirement of multiple spot oil return.It addition, oil suction gear assembly and oil spout can be simultaneously driven by a pump shaft
Gear assembly such that it is able to simultaneously realized the function of oil suction and oil spout by a gear pump.
Therefore, compared with prior art, it is not necessary to configure multiple gear pump and multiple positions of sewing machine are entered
Row oil suction, it is not required that be respectively provided with oil suction gear pump and oil spout gear pump, only by a gear pump with regard to energy
Enough meet the needs of sewing machine oil suction and oil spout, thus need not the biggest gear in the inside of sewing machine housing
The receiving space of pump, makes sewing machine housing miniaturization, easily facilitates carrying mobile.
It addition, the angle between the axis of 3 inlet ports and horizontal line can be respectively 45 °, 61 ° and 90
°.By being arranged on these three position, it is possible to make full use of the spatial distribution three of the intake side of the first pump chamber
Inlet port, only arranges inlet port and can fully provide negative pressure, reach fully to inhale in these three angle position
The effect of oil.
Furthermore it is possible to the outer side covers at end cap 60 has filter screen 70.The lubricating oil being stored in oil groove, due to
Recycle, it will usually the iron filings etc. formed containing each parts friction of sewing machine, if such with miscellaneous
The lubricating oil persistent loop of matter uses, then all parts in sewing machine can be caused abrasion, by end cap
Outer side covers filter screen, it is possible to filter from the entrance of end cap suck and from the lubricating oil of jet ejection, it is to avoid
Each parts of sewing machine are caused damage.
It addition, gear pump of the present utility model, can be formed by above-mentioned various structural groupings, equally can
Play above-mentioned effect.
Above the gear pump of preferred implementation of the present utility model is illustrated, but, this practicality is new
Type is not limited to above-mentioned specific embodiment, without departing from the scope of claim, can carry out various
The deformation of various kinds or change.Various deformation that this utility model is included within the scope of the claims and change.
Claims (3)
1. a gear pump, it is characterised in that
Including first pump housing, second pump housing, oil suction gear assembly, oil spout gear assembly, pump shaft and end cap,
One end of described first pump housing is connected with one end of described second pump housing, is formed on described first pump housing
There is the first pump chamber, described first pump chamber accommodates described oil suction gear assembly, shape on described second pump housing
Become to have the second pump chamber, described second pump chamber accommodate described oil spout gear assembly,
Described oil suction gear assembly and described oil spout gear assembly all from internal rotor and coordinate with described internal rotor
Outer rotor is constituted,
Described pump shaft passes the middle part of described first pump housing and described second pump housing and described oil suction gear assembly
The internal rotor of internal rotor and described oil spout gear assembly connects, and described end cap covers another of described second pump housing
End,
The outer peripheral face of described first pump housing is formed 3 suctions that the intake side with described first pump chamber connects
Hydraulic fluid port, is formed with the oil spout that the oil spout side with described second pump chamber connects on the outer peripheral face of described second pump housing
Mouthful.
Gear pump the most according to claim 1, it is characterised in that the axis of 3 described inlet ports with
Angle between horizontal line is respectively 45 °, 61 ° and 90 °.
Gear pump the most according to claim 2, it is characterised in that the outer side covers at described end cap has
Filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620428948.1U CN205606155U (en) | 2016-05-11 | 2016-05-11 | Gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620428948.1U CN205606155U (en) | 2016-05-11 | 2016-05-11 | Gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205606155U true CN205606155U (en) | 2016-09-28 |
Family
ID=56967117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620428948.1U Expired - Fee Related CN205606155U (en) | 2016-05-11 | 2016-05-11 | Gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205606155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301141A (en) * | 2018-01-29 | 2018-07-20 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
| CN110340772A (en) * | 2019-07-15 | 2019-10-18 | 徐州绿源智能科技有限公司 | A kind of Super High building watering pipeline to maintain equipment and method |
-
2016
- 2016-05-11 CN CN201620428948.1U patent/CN205606155U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301141A (en) * | 2018-01-29 | 2018-07-20 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
| CN110340772A (en) * | 2019-07-15 | 2019-10-18 | 徐州绿源智能科技有限公司 | A kind of Super High building watering pipeline to maintain equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |