CN204186516U - Superhigh pressure jetting system tappet body - Google Patents
Superhigh pressure jetting system tappet body Download PDFInfo
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- CN204186516U CN204186516U CN201420640431.XU CN201420640431U CN204186516U CN 204186516 U CN204186516 U CN 204186516U CN 201420640431 U CN201420640431 U CN 201420640431U CN 204186516 U CN204186516 U CN 204186516U
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- storage tank
- oil storage
- roller
- communicated
- roller shaft
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Abstract
The utility model relates to a kind of motor car engine stiff pole for fuel injection pump, and a kind of superhigh pressure jetting system tappet body, belongs to tappet body technique field specifically.It comprises the lug that pedestal lower end is provided with two symmetrical distributions, and pedestal upper end is provided with plunger cavity, and plunger cavity bottom centre is provided with oilhole, and oilhole is communicated with plunger cavity and roller mounting slot and runs through roller mounting slot.The axial direction of corresponding two lugs of the second oil storage tank is respectively equipped with an inclined oil hole of air, inclined oil hole of air runs through lug and is communicated with roller mounting slot, two lug madial walls are provided with the 4th oil storage tank with roller shaft mounting hole concentric, and inclined oil hole of air lower end is provided with the triangular groove be communicated with the 4th oil storage tank.The outer round surface of roller shaft is provided with point-like microchannels.The utility model compact structure, greasy property are good, wear-resistant, compression resistance strong, long service life.
Description
Technical field
The utility model relates to a kind of motor car engine stiff pole for fuel injection pump, and a kind of superhigh pressure jetting system tappet body, belongs to tappet body technique field specifically.
Background technique
In order to meet existing and following Abgasgesetz (as Europe V and the Europe VI) limit value and reduce the discharge causing the GHG carbon dioxide of global warming, fuel-injected ultrahigh pressure is the effective way improving the diesel engine thermal efficiency, improve discharge and Economy.
Fuel oil sprays ultrahigh pressure needs the pump end pressure increasing substantially Injection Pump, but along with the continuous increase of pump end pressure, the contact stress also corresponding increase of the roller in injection pump of engine and cam, the contact stress of roller and roller shaft is also increased thereupon, exacerbate the mechanical wear between it, and not sufficient lubrication causes the key factor of its wearing and tearing aggravation just between roller and roller shaft, have a strong impact on the life-span of Injection Pump.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, thus provides a kind of superhigh pressure jetting system tappet body, and its compact structure, greasy property are good, wear-resistant, compression resistance strong, long service life.
According to the technological scheme that the utility model provides, superhigh pressure jetting system tappet body comprises the lug that pedestal lower end is provided with two symmetrical distributions, two lugs are provided with roller shaft mounting hole, in roller shaft mounting hole, roller shaft is installed, roller shaft connects roller, the roller mounting slot for holding roller of channel form is formed between two lugs, it is characterized in that: pedestal upper end is provided with plunger cavity, plunger cavity bottom centre is provided with oilhole, and oilhole is communicated with plunger cavity and roller mounting slot and runs through roller mounting slot; The first oil storage tank is along the circumferential direction provided with bottom plunger cavity, the second oil storage tank of annular is along the circumferential direction provided with in the middle part of present external circumferential surface, the two end part of the second oil storage tank are not communicated with, present external circumferential surface is provided with the 3rd oil storage tank, and the 3rd oil storage tank is communicated with the second oil storage tank and roller mounting slot; Present external circumferential surface is axially arranged with guiding groove, and guiding groove one end is positioned at the end of lug, the other end through the second oil storage tank two ends not connected part be communicated with the first oil storage tank; The axial direction of corresponding two lugs of described second oil storage tank is respectively equipped with an inclined oil hole of air, inclined oil hole of air runs through lug and is communicated with roller mounting slot, two lug madial walls are provided with the 4th oil storage tank with roller shaft mounting hole concentric, and inclined oil hole of air lower end is provided with the triangular groove be communicated with the 4th oil storage tank; The outer round surface of described roller shaft is provided with point-like microchannels.
Further, guiding groove is U-shaped.
Further, the second oil storage tank is annular.
Further, the dimensional range of point-like microchannels is 0.1-0.8um.
Compared with the prior art the utility model has the following advantages:
The utility model compact structure, greasy property are strong, wear-resistant, anti-pressure ability strong, long service life; Owing to being provided with point-like microchannels at the outer round surface of roller shaft, easily store oil on the one hand, improves oil film adhesion, improve the lubricating ability of roller shaft and roller, improve material supporting ratio on the other hand, reduce surface roughness, wear-resistant, the anti-pressure ability of effective raising product, increase the service life; Simultaneously, tappet body offers inclined oil hole of air, and lubricant oil enters inclined oil hole of air from the oil storage tank of annular on the one hand, is connected with the 4th oil storage tank by triangular groove, enter between roller shaft and roller and form lubricating film, reduce the mechanical wear between roller shaft and roller.
Accompanying drawing explanation
Fig. 1 is the utility model plan view.
Fig. 2 is the utility model rear view.
Fig. 3 is the utility model side view.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the B place enlarged view of Fig. 4.
Description of reference numerals: 1-pedestal, 2-lug, 3-roller mounting slot, 4-roller shaft mounting hole, 5-roller shaft, 6-roller, 7-plunger cavity, 8-oilhole, 9-first oil storage tank, 10-second oil storage tank, 11-the 3rd oil storage tank, 12-guiding groove, 13-inclined oil hole of air, 14-the 4th oil storage tank, 15-triangular groove.
Embodiment
Embodiment in is by reference to the accompanying drawings further described by the utility model below:
As shown in Fig. 1 ~ 5, the utility model mainly comprises lug 2, two lugs 2 that pedestal 1 lower end is provided with two symmetrical distributions and is provided with roller shaft mounting hole 4, installs roller shaft 5, roller shaft 5 connects roller 6 in roller shaft mounting hole 4.The roller mounting slot 3 for holding roller 6 of channel form is formed between described two lugs 2.
Pedestal 1 upper end is provided with plunger cavity 7, and plunger cavity 7 bottom centre is provided with oilhole 8, and oilhole 8 is communicated with plunger cavity 7 and roller mounting slot 3 and runs through roller mounting slot 3, and what ensure between upper and lower lubricating oil path is through, makes the oil circuit of whole Injection Pump clear and coherent.
The first oil storage tank 9 is along the circumferential direction provided with bottom plunger cavity 7.The two end part being along the circumferential direction provided with the second oil storage tank 10, second oil storage tank 10 of annular in the middle part of pedestal 1 external peripheral surface are not communicated with.Be provided with the 3rd oil storage tank the 11, three oil storage tank 11 at pedestal 1 external peripheral surface and be communicated with the second oil storage tank 10 and roller mounting slot 3.Described first oil storage tank 9, second oil storage tank 10 and the 3rd oil storage tank 11, for storing lubricant oil, prevent the wearing and tearing operationally of each position of product.
As shown in Figure 1, be axially arranged with the guiding groove 12 of U-shaped at pedestal 1 external peripheral surface, guiding groove 12 one end is positioned at the end of lug, the other end through the second oil storage tank 11 two ends not connected part be communicated with the first oil storage tank 9.Guiding groove 12 is communicated with the first oil storage tank 9 can lubricate guiding push rod, has guiding distance, thus extends working stroke, provides high oil pressure, effectively improves engine horsepower.
As shown in Fig. 4 ~ 5, the axial direction of corresponding two lugs 2 of the second oil storage tank 10 of described annular is respectively equipped with an inclined oil hole of air 13, and inclined oil hole of air 13 runs through lug 2 and is communicated with roller mounting slot 3.Described two lug 2 madial walls are provided with the 4th oil storage tank 14 with roller shaft mounting hole 4 concentric, and inclined oil hole of air 13 lower end is provided with the triangular groove 15 be communicated with the 4th oil storage tank 14.Corresponding with inclined oil hole of air 13 while 4th oil storage tank 14 realizes store oil, form lubricant film, lubricate.
The outer round surface of described roller shaft 2 is provided with point-like microchannels, and the dimensional range of described point-like microchannels is 0.1-0.8um.Described point-like microchannels is easily store oil on the one hand, improves oil film adhesion, improves the lubricating ability of roller shaft and roller, improves material supporting ratio on the other hand, reduces surface roughness, effectively improves wear-resistant, the anti-pressure ability of product, increase the service life.
The utility model is applied in the Injection Pump mechanism of oil-burning machine, during work, lubricant oil enters oilhole and the first oil storage tank from plunger installation cavity, oilhole and roller mounting slot connect, by oil lubrication roller, roller shaft and cam face, secondly the first oil storage tank is connected with the guiding groove of U-shaped, and lubricant oil enters in the guiding groove of U-shaped by the first oil storage tank, lubrication guiding push rod.Meanwhile, lubricant oil enters inclined oil hole of air by the second oil storage tank of annular, be connected with the 4th oil storage tank by triangular groove, the inner headed face entering roller shaft and roller lubricates, and roller shaft surface is provided with point-like microchannels, effective raising oil film adhesion, improves the lubricating ability of roller shaft and roller.The utility model, by unique lubricating oil path passage, effectively improves greasy property, strengthens overall antiwear property, extends the working life of roller shaft and roller 3, meets the usage requirement of ultrahigh pressure Injection Pump.
Claims (4)
1. a superhigh pressure jetting system tappet body, comprise the lug (2) that pedestal (1) lower end is provided with two symmetrical distributions, two lugs (2) are provided with roller shaft mounting hole (4), in roller shaft mounting hole (4), roller shaft (5) is installed, roller shaft (5) connects roller (6), the roller mounting slot (3) for holding roller (6) of channel form is formed between two lugs (2), it is characterized in that: pedestal (1) upper end is provided with plunger cavity (7), plunger cavity (7) bottom centre is provided with oilhole (8), oilhole (8) is communicated with plunger cavity (7) and roller mounting slot (3) run through roller mounting slot (3), plunger cavity (7) bottom is along the circumferential direction provided with the first oil storage tank (9), the second oil storage tank (10) is along the circumferential direction provided with in the middle part of pedestal (1) external peripheral surface, the two end part of the second oil storage tank (10) are not communicated with, be provided with the 3rd oil storage tank (11) at pedestal (1) external peripheral surface, the 3rd oil storage tank (11) is communicated with the second oil storage tank (10) and roller mounting slot (3), be axially arranged with guiding groove (12) at pedestal (1) external peripheral surface, guiding groove (12) one end is positioned at the end of lug (2), the other end through the second oil storage tank (11) two ends not connected part be communicated with the first oil storage tank (9), the axial direction of corresponding two lugs (2) of described second oil storage tank (10) is respectively equipped with an inclined oil hole of air (13), inclined oil hole of air (13) runs through lug (2) and is communicated with roller mounting slot (3), two lugs (2) madial wall is provided with the 4th oil storage tank (14) with roller shaft mounting hole (4) concentric, and inclined oil hole of air (13) lower end is provided with the triangular groove (15) be communicated with the 4th oil storage tank (14), the outer round surface of described roller shaft (2) is provided with point-like microchannels.
2. superhigh pressure jetting system tappet body as claimed in claim 1, is characterized in that: described guiding groove (12) is U-shaped.
3. superhigh pressure jetting system tappet body as claimed in claim 1, is characterized in that: described second oil storage tank (10) is annular.
4. superhigh pressure jetting system tappet body as claimed in claim 1, is characterized in that: the dimensional range of described point-like microchannels is 0.1-0.8um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640431.XU CN204186516U (en) | 2014-10-30 | 2014-10-30 | Superhigh pressure jetting system tappet body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640431.XU CN204186516U (en) | 2014-10-30 | 2014-10-30 | Superhigh pressure jetting system tappet body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186516U true CN204186516U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420640431.XU Active CN204186516U (en) | 2014-10-30 | 2014-10-30 | Superhigh pressure jetting system tappet body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186516U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931714A (en) * | 2021-11-08 | 2022-01-14 | 无锡锡州机械有限公司 | High bearing capacity automobile valve tappet body part |
| CN114992022A (en) * | 2022-05-18 | 2022-09-02 | 无锡锡州机械有限公司 | Roller lubricating structure of marine engine |
-
2014
- 2014-10-30 CN CN201420640431.XU patent/CN204186516U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931714A (en) * | 2021-11-08 | 2022-01-14 | 无锡锡州机械有限公司 | High bearing capacity automobile valve tappet body part |
| CN114992022A (en) * | 2022-05-18 | 2022-09-02 | 无锡锡州机械有限公司 | Roller lubricating structure of marine engine |
| CN114992022B (en) * | 2022-05-18 | 2024-02-09 | 无锡锡州机械有限公司 | Roller lubricating structure of marine engine |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |