CN205663614U - Compact internal tooth gear type wheel cylinder - Google Patents
Compact internal tooth gear type wheel cylinder Download PDFInfo
- Publication number
- CN205663614U CN205663614U CN201620474653.8U CN201620474653U CN205663614U CN 205663614 U CN205663614 U CN 205663614U CN 201620474653 U CN201620474653 U CN 201620474653U CN 205663614 U CN205663614 U CN 205663614U
- Authority
- CN
- China
- Prior art keywords
- pump
- shift fork
- gear pump
- gear type
- compact internal
- 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
Abstract
The utility model relates to a compact internal tooth gear type wheel cylinder, this gear pump include casing, check valve, end cover, rotor shaft, armature subassembly, oil feed board, back lid and play oiled -plate method, and armature subassembly front end is equipped with the shift fork, and the shift fork front end is equipped with the pump inner rotor, is equipped with the elasticity preforming between pump inner rotor and the shift fork, is equipped with the grooved metal gasket between elasticity preforming and the pump inner rotor. The utility model has the characteristics of efficiency high noise hangs down compact structure, and the oil absorption is strong, and the commonality is good.
Description
Technical field
This utility model relates to auto parts machinery field, particularly relates to a kind of compact internal-gear type gear pump.
Background technology
Automobile gear pump is one of basic composition of electro jet car fuel injection system, and effect is from fuel tank fuel oil
It is transported in fuel feed pump after middle sucking-off, pressurization, and certain fuel pressure is set up in fuel pressure regulator cooperation.
Existing gear pump is unreasonable due to arranging of internal structure, and inner sealing is poor, thus causes oil absorption weak,
Affect the using effect of gear pump.And shift fork front end is provided with pad in existing gear pump, common pad is circular
Structure, in the course of processing to pad, the requirement of roughness is high, causes processing cost to strengthen.
Utility model content
For problem above, this utility model devises a kind of compact internal-gear type gear pump, to solve existing gear pump
The problem that sealing is poor and manufacturing cost is high.
The technical solution of the utility model is: this gear pump includes casing, check valve, armature spindle, armature assembly, oil-feed
Plate, bonnet and exhaustor, armature assembly front end is provided with shift fork, and shift fork front end is provided with pump internal rotor, between pump internal rotor and shift fork
It is provided with elastic pressuring plate, between elastic pressuring plate and pump internal rotor, is provided with grooved metal gasket.
As preferably, described armature assembly includes armature stamping and magnet steel, and magnet steel is arranged in around armature assembly periphery.
As preferably, described pump internal rotor is externally provided with pump outer rotor.
As preferably, described armature assembly rear end is provided with brush mount component and diverter, armature assembly, brush mount component and commutation
Device is located on armature spindle.
As preferably, described shift fork is provided with protruding step cutting pattern, at shift fork five fork with the contact surface of elastic pressuring plate
Arranging the step cutting pattern of projection in the middle of post, the centre of step surface contact resilient tabletting, power is delivered to the four of elastic pressuring plate from centre
In week, stress is bigger and better tightness.
As preferably, described shift fork front end is provided with crutch, and the quantity of crutch is 5.
As preferably, the structure of described elastic pressuring plate is pentagon shape.
As preferably, described grooved metal gasket is provided with the entry that the crutch with shift fork matches.
The beneficial effects of the utility model are: gear pump of the present utility model increases elasticity between grooved metal gasket and shift fork
Tabletting, can play better seal effect, it is ensured that oil pocket negative pressure；Use grooved metal gasket structure, increase elastic pressuring plate in profile of tooth
The lifting surface area at edge, outer ring on pad, reduces the deformation of grooved metal gasket, is further ensured that oil pocket negative pressure, and oil absorption is strong；?
Being provided with the step cutting pattern of projection in the middle of 5 crutches of shift fork, the centre of step surface contact resilient tabletting, power is delivered to from centre
The surrounding of elastic pressuring plate, stress is bigger and better tightness.
Accompanying drawing explanation
Fig. 1 is the outside schematic diagram of this utility model gear pump.
Fig. 2 is the sectional view of this utility model gear pump.
Fig. 3 is the structural representation of this utility model shift fork.
Fig. 4 is the sectional view in Fig. 3 at A-A.
Fig. 5 is the structural representation of this utility model shift fork other direction.
Fig. 6 is the structural representation that this utility model dials grooved metal gasket.
Fig. 7 is the structural representation of this utility model elastic pressuring plate.
Fig. 8 is the structural representation of this utility model elastic pressuring plate other direction.
In figure: 1 check valve, 2 casing, 3 exhaustors, 4 armature spindles, 5 diverters, 6 brush mount components, 7 armature assemblies, 7a magnetic
Steel, 7b armature stamping, 8 shift forks, 9 pump internal rotors, 10 oil-feed plates, 11 pump outer rotors, 12 grooved metal gaskets, 13 elastic pressuring plates, 14 forks
Post, 15 step cutting patterns.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in figures 1-8: gear pump of the present utility model includes check valve 1, casing 2, armature spindle 4, armature assembly 7, enters
Oiled-plate method 10, bonnet 3a and exhaustor 3, armature assembly 7 front end is provided with shift fork 8, and shift fork 8 front end is provided with pump internal rotor 9.
Being provided with elastic pressuring plate 13 between pump internal rotor 9 and shift fork 8, the structure of elastic pressuring plate 13 is pentagon shape.Bullet
Property tabletting 13 can play better seal effect, it is ensured that oil pocket negative pressure.
It is provided with grooved metal gasket 12 between elastic pressuring plate 13 and pump internal rotor 9, changes original circular gasket into grooved metal gasket,
Increase elastic pressuring plate 13 lifting surface area at edge, outer ring on grooved metal gasket 12, reduce the deformation of grooved metal gasket, be further ensured that
Oil pocket negative pressure, oil absorption is strong.
Armature assembly 7 includes armature stamping 7b and magnet steel 7a, and magnet steel 7a is arranged in around armature assembly periphery.
Pump internal rotor 9 is externally provided with pump outer rotor 11.
Armature assembly 7 rear end is provided with brush mount component 6 and diverter 5, and armature assembly 7, brush mount component 5 and diverter 5 are located at
On armature spindle 4.
Shift fork 8 is provided with protruding step cutting pattern 15 with the contact surface of elastic pressuring plate 13, sets in the middle of 8 five crutches of shift fork
Putting the step cutting pattern 15 of projection, the centre of 15 contact resilient tablettings 13 of step cutting pattern, power is delivered to elastic pressuring plate from centre
Surrounding, stress is bigger and better tightness.
Shift fork 8 front end is provided with crutch 14, and the quantity of crutch 14 is 5, and grooved metal gasket 12 is provided with the crutch 14 with shift fork 8
The entry 16 matched, is matched with the entry on grooved metal gasket 12 by crutch 14 when shift fork 8 is installed.
The above is only preferred implementation of the present utility model, comes for those skilled in the art
Saying, on the premise of without departing from this utility model principle, it is also possible to make some improvement, these improve and also should be regarded as this practicality newly
The protection domain of type.
Claims (8)
1. a compact internal-gear type gear pump, including gear pump body, it is characterised in that described gear pump includes check valve, machine
Shell, armature spindle, armature assembly, oil-feed plate, bonnet and exhaustor, described armature assembly front end is provided with shift fork, and shift fork front end is provided with
Pump internal rotor, is provided with elastic pressuring plate, is provided with grooved metal gasket between elastic pressuring plate and pump internal rotor between pump internal rotor and shift fork.
A kind of compact internal-gear type gear pump the most according to claim 1, it is characterised in that described armature assembly includes electricity
Pivot punching and magnet steel, magnet steel is arranged in around armature assembly periphery.
A kind of compact internal-gear type gear pump the most according to claim 1, it is characterised in that described pump internal rotor is externally provided with
Pump outer rotor.
A kind of compact internal-gear type gear pump the most according to claim 1, it is characterised in that described armature assembly rear end sets
Brush mount component and diverter, armature assembly, brush mount component and diverter is had to be located on armature spindle.
A kind of compact internal-gear type gear pump the most according to claim 1, it is characterised in that described shift fork and elastic pressuring plate
Contact surface be provided with projection step cutting pattern.
A kind of compact internal-gear type gear pump the most according to claim 1, it is characterised in that described shift fork front end is provided with fork
Post, the quantity of crutch is 5.
A kind of compact internal-gear type gear pump the most according to claim 1, it is characterised in that the structure of described elastic pressuring plate
For pentagon shape.
A kind of compact internal-gear type gear pump the most according to claim 6, it is characterised in that described grooved metal gasket is provided with
The entry matched with the crutch of shift fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620474653.8U CN205663614U (en) | 2016-05-24 | 2016-05-24 | Compact internal tooth gear type wheel cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620474653.8U CN205663614U (en) | 2016-05-24 | 2016-05-24 | Compact internal tooth gear type wheel cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205663614U true CN205663614U (en) | 2016-10-26 |
Family
ID=57159985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620474653.8U Expired - Fee Related CN205663614U (en) | 2016-05-24 | 2016-05-24 | Compact internal tooth gear type wheel cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205663614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108368845A (en) * | 2015-12-15 | 2018-08-03 | 株式会社电装 | Petrolift |
-
2016
- 2016-05-24 CN CN201620474653.8U patent/CN205663614U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108368845A (en) * | 2015-12-15 | 2018-08-03 | 株式会社电装 | Petrolift |
| CN108368845B (en) * | 2015-12-15 | 2019-09-03 | 株式会社电装 | Petrolift |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 |