CN203453054U - Fuel feed pump gear with bush in flanging structure - Google Patents
Fuel feed pump gear with bush in flanging structure Download PDFInfo
- Publication number
- CN203453054U CN203453054U CN201320360250.7U CN201320360250U CN203453054U CN 203453054 U CN203453054 U CN 203453054U CN 201320360250 U CN201320360250 U CN 201320360250U CN 203453054 U CN203453054 U CN 203453054U
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- CN
- China
- Prior art keywords
- gear
- gear body
- lining
- feed pump
- bush
- 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
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Abstract
The utility model discloses a fuel feed pump gear with a bush in a flanging structure. The fuel feed pump gear comprises a gear body and the bush, wherein an inner hole is formed in the center of the gear body, and four rectangular through holes are symmetrically formed in one cycle close to an inner cycle of the gear body; a chamfer angle is arranged between the inner hole and end face of the gear body, the bush is pressed into the inner hole of the gear body in a fixed fit manner and is concentrically embedded into the inner hole, and four flanges are respectively arranged at the upper end and lower end of the bush and are fit with the gear body. The fuel feed pump gear has the advantages that the bush and the gear body are fit together through the flanges, so that the integrality of the bush and the bearing is enhanced, the axial tolerance of the bush is increased, and then the bushing is prevented from falling.
Description
Technical field
The utility model relates to a kind of gear, especially relates to a kind of oil feed pump gear with turnup structure lining.
Background technique
Gear for oil feed pump, by intermeshing transmission, existing gear comprises circular gear body, at gear body center, is provided with endoporus, in the gabarit of gear body, be provided with gear ring, on gear body inner ring end face, be evenly provided with four rectangular through-hole, lining is fixed on the inner ring of gear body, and the axle of oil feed pump is through the lining endoporus at gear body center, actuation gear rotates, long-term use, the lining of gear easily comes off, and shorten the working life of gear.
Model utility content
The utility model, just for the deficiencies in the prior art, provides a kind of oil feed pump gear with turnup structure lining.
In order to solve the problems of the technologies described above, the technological scheme that the utility model is realized is as follows: a kind of oil feed pump gear with turnup structure lining, it comprises gear body and lining, described gear body center is provided with endoporus, the outer ring of described gear body is provided with gear ring, and described gear body is provided with at least two rectangular through-hole on the circle near inner ring; Between described gear body internal surface and gear body upper and lower end face, be provided with chamfering, described lining is pressed on the endoporus that is fixed on described gear body, and be embedded in this endoporus and arrange with one heart, it is characterized in that: described lining top and bottom are respectively equipped with at least one flange of fitting with the chamfering of described gear body.
As the further improvement of such scheme, the quantity of described through hole is four.
As the further improvement of such scheme, described through hole is divided equally distribution and is arranged on described gear body.
As the further improvement of such scheme, the quantity of described flange is four.
As the further improvement of such scheme, described flange is evenly arranged on the top and bottom of lining.
As the further improvement of such scheme, described flange and described through hole are evenly alternately distributed on the inner ring end face of described gear body.
The utility model has following outstanding advantage and effect compared to prior art:
Between the lining of a kind of oil feed pump gear with turnup structure lining of the present utility model on gear body inner ring and gear body, some flange are all set, strengthened the integrity of lining and gear body, prevent that lining from coming off, can extend the working life of gear.
Accompanying drawing explanation
A kind of structural representation with the oil feed pump gear of turnup structure lining that Fig. 1 provides for the utility model preferred embodiments.
Fig. 2 is a kind of sectional view with the oil feed pump gear of turnup structure lining of the utility model.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, a kind of schematic diagram with the oil feed pump gear of turnup structure lining that it provides for the utility model preferred embodiments, this has the oil feed pump gear of turnup structure lining, it comprises gear body 1 and lining 2, gear body 1 center is provided with endoporus 3, the outer ring of gear body 1 is provided with gear ring 4, gear body 1 is provided with four through holes 5 on the circle near inner ring, between gear body 1 internal surface and gear body 1 upper and lower end face, be provided with chamfering, lining 2 is pressed on the inner ring that is fixed on gear body 1, and be embedded in this endoporus 3 and arrange with one heart, wherein, the top and bottom of lining 2 are respectively equipped with the chamfering of gear body 1 and are overlapped with flange 6 everywhere.
Refer to Fig. 2, it is its a kind of sectional drawing with the oil feed pump gear of turnup structure lining providing for the utility model preferred embodiments, the oil feed pump gear that this has turnup structure lining, the lining 2 being fixed on gear body 1 is pressed into flange 6 in the chamfering of gear body 1 inner ring.
On gear body 1 inner ring end face, be uniformly distributed four through holes 5 are set; Between lining 2 and gear body 1, be uniformly distributed four flange 6 are set; Through hole 5 distributes and is arranged on the inner ring of gear body 1 with the staggered distributed uniform of flange 6.
In actual job process, oil feed pump is by through hole 5 actuation gears, and stator axis is passed the endoporus 3 of gear, transmitting gear, and rotation friction acts on the lining of gear; The flange 6 overlapping in the chamfering of lining 2 and gear body 1, has strengthened the integrity of lining 2 with gear body 1, has strengthened the strength of lining 2, thereby has extended the working life of gear.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. an oil feed pump gear with turnup structure lining, it comprises gear body and lining, described gear body center is provided with endoporus, and the outer ring of described gear body is provided with gear ring, and described gear body is provided with at least two rectangular through-hole on the circle near inner ring; Between described gear body internal surface and gear body upper and lower end face, be provided with chamfering, described lining is pressed on the endoporus that is fixed on described gear body, and be embedded in this endoporus and arrange with one heart, it is characterized in that: described lining top and bottom are respectively equipped with at least one flange of fitting with the chamfering of described gear body.
2. the oil feed pump gear with turnup structure lining as claimed in claim 1, is characterized in that: the quantity of described rectangular through-hole is four.
3. the oil feed pump gear with turnup structure lining as claimed in claim 2, is characterized in that: described through hole is divided equally symmetrical being arranged on described gear body.
4. the oil feed pump gear with turnup structure lining as claimed in claim 3, is characterized in that: described lining top and bottom be respectively equipped with flange everywhere.
5. the oil feed pump gear with turnup structure lining as claimed in claim 4, is characterized in that: described flange is evenly arranged on the top and bottom of lining.
6. the oil feed pump gear with turnup structure lining as claimed in claim 5, is characterized in that: described flange and described through hole are evenly alternately distributed on the inner ring end face of described gear body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320360250.7U CN203453054U (en) | 2013-06-21 | 2013-06-21 | Fuel feed pump gear with bush in flanging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320360250.7U CN203453054U (en) | 2013-06-21 | 2013-06-21 | Fuel feed pump gear with bush in flanging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203453054U true CN203453054U (en) | 2014-02-26 |
Family
ID=50132936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320360250.7U Expired - Fee Related CN203453054U (en) | 2013-06-21 | 2013-06-21 | Fuel feed pump gear with bush in flanging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203453054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443457A (en) * | 2018-03-06 | 2018-08-24 | 广西玉柴机器股份有限公司 | Hydraulic pump idle gear component |
-
2013
- 2013-06-21 CN CN201320360250.7U patent/CN203453054U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443457A (en) * | 2018-03-06 | 2018-08-24 | 广西玉柴机器股份有限公司 | Hydraulic pump idle gear component |
| CN108443457B (en) * | 2018-03-06 | 2024-01-26 | 广西玉柴机器股份有限公司 | Idler gear assembly of hydraulic pump |
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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: 20140226 Termination date: 20180621 |