CN203939602U - The drive mechanism of the external oil transfer pump of a kind of diesel engine - Google Patents
The drive mechanism of the external oil transfer pump of a kind of diesel engine Download PDFInfo
- Publication number
- CN203939602U CN203939602U CN201420285174.2U CN201420285174U CN203939602U CN 203939602 U CN203939602 U CN 203939602U CN 201420285174 U CN201420285174 U CN 201420285174U CN 203939602 U CN203939602 U CN 203939602U
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- China
- Prior art keywords
- pump
- oil transfer
- external oil
- transfer pump
- axle
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- 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 - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 64
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model provides the drive mechanism of the external oil transfer pump of a kind of diesel engine, and it can ensure that the installation of external oil transfer pump is reliable, and guarantees that it can meet diesel engine and normally move needs.It comprises external oil transfer pump, external oil transfer pump is installed on transmission case by flange, it is characterized in that: it also comprises transmission shaft, on transmission case, have the transmission axis hole concentric with Pump Axle, the pump shaft of external oil transfer pump is coupling with transmission shaft one end after passing the transmission axis hole on transmission case in transmission case, and the other end of transmission shaft and described Pump Axle are coupling.
Description
Technical field
The utility model relates to diesel engine mounting technology field, is specially the drive mechanism of the external oil transfer pump of a kind of diesel engine.
Background technique
In diesel engine Assembling Production process, tend to occur because of complete machine structure arrangement constraints cause plunger-type fuel delivery pump that diesel injection pump carries and around the part problem of interfering, cannot install; in order to ensure that the normal work of diesel injection pump can adopt external oil transfer pump to replace the former plunger-type fuel delivery pump carrying conventionally, but how to ensure that the reliable installation of external oil transfer pump and normal work become current problem demanding prompt solution.
Summary of the invention
For the problems referred to above, the utility model provides the drive mechanism of the external oil transfer pump of a kind of diesel engine, and it can ensure that the installation of external oil transfer pump is reliable, and guarantees that it can meet diesel engine and normally move needs.
Its technological scheme is such, it comprises external oil transfer pump, described external oil transfer pump is installed on transmission case by flange, it is characterized in that: it also comprises transmission shaft, on described transmission case, have the transmission axis hole concentric with Pump Axle, the pump shaft of described external oil transfer pump is coupling with described transmission shaft one end after passing the transmission axis hole on described transmission case in described transmission case, and the other end of described transmission shaft and described Pump Axle are coupling.
It is further characterized in that:
The pump shaft front end of described external oil transfer pump is flat axle, one end face of described transmission shaft has axial flat groove, the other end outer circumferential face is set to outside thread, one end of described Pump Axle has interior threaded hole, the flat axle of described external oil transfer pump is plugged in the flat groove of described transmission shaft, between described transmission shaft and described Pump Axle, is threaded with the interior threaded hole of described Pump Axle one end by described outside thread;
On described transmission case, be provided with installation cover plate, the flange of described external oil transfer pump is installed on described installation cover plate;
Described flange front end is provided with flange positioning spigot, described installation cover plate has the flange mounting hole concentric with described Pump Axle and is provided with the cover plate positioning spigot concentric with described Pump Axle, described flange positioning spigot cooperation is installed in described flange mounting hole, and described cover plate positioning spigot cooperation is installed in described transmission axis hole.
The beneficial effects of the utility model are:
(1) its simple in structure, reliable transmission, it is coaxially connected the pump shaft of external oil transfer pump with Pump Axle by transmission shaft, drive the rotation of oil transfer pump by the rotation of water pump, thereby the object that realizes oil transfer pump and carry the diesel oil of enough flows and pressure to diesel engine, ensures the normal work of diesel engine;
(2) wherein the axial flat groove of transmission shaft one end and the pump shaft front end of external oil transfer pump are that flat axle is connected, the transmission shaft the other end has interior threaded hole by its outside thread with one end of Pump Axle and is threaded, thereby ensure that external oil transfer pump pump shaft is coaxially connected with Pump Axle, guarantees the reliability of its transmission;
(3) flange of external oil transfer pump is installed on transmission case by cover plate is installed, wherein flange is connected by flange positioning spigot and the flange mounting hole that cover plate is installed, and being installed, cover plate is connected by the transmission axis hole on himself installation cover plate positioning spigot and transmission case, and flange mounting hole on installation cover plate, that cover plate positioning spigot is installed is all concentric with Pump Axle, therefore can further ensure external oil transfer pump flange,
The coaxality of cover plate and transmission shaft, Pump Axle is installed, thereby more guarantees the reliable transmission of external oil transfer pump.
Brief description of the drawings
Fig. 1 is the drive mechanism schematic diagram of the external oil transfer pump of the utility model diesel engine;
Fig. 2 is the external oil transfer pump structural representation of diesel engine in the utility model;
Fig. 3 is the structural representation of transmission shaft in the utility model;
Fig. 4 is the structural representation that cover plate is installed in the utility model;
Fig. 5 is the perforate schematic diagram of transmission case upper driving axis hole in the utility model;
Fig. 6 is the Pump Axle end construction schematic diagram being threaded with transmission shaft in the utility model.
Embodiment
See Fig. 1～Fig. 6, the external oil transfer pump drive mechanism of the utility model diesel engine comprises external oil transfer pump 1, transmission shaft 4, external oil transfer pump 1 is installed on transmission case 3 by flange 2, on transmission case 3, have the transmission axis hole 6 concentric with Pump Axle 5, the pump shaft of external oil transfer pump 1 is coupling with transmission shaft 4 one end after passing the transmission axis hole 6 on transmission case 3 in transmission case 3, and the other end of transmission shaft 4 and Pump Axle 5 are coupling; The pump shaft front end of external oil transfer pump is that thickness is the flat axle 7 of h, one end face of transmission shaft 4 has flat groove 8, the other end outer circumferential face that axial height is H and is set to the outside thread 9 that diameter is m, one end of Pump Axle 5 has the interior threaded hole 10 that internal diameter is M, the flat axle 7 of external oil transfer pump 1 is plugged in the flat groove 8 of transmission shaft 4, between transmission shaft 4 and Pump Axle 5, is threaded with the interior threaded hole 10 of Pump Axle 5 one end by outside thread 9; On transmission case 3, be provided with cover plate 11 is installed, the flange 2 of external oil transfer pump 1 is installed on to be installed on cover plate 11; Wherein, flange 2 front ends are provided with the flange positioning spigot 12 that external diameter is d, installation cover plate 11 has the flange mounting hole 13 that the diameter concentric with Pump Axle 5 is D1 and is provided with the external diameter concentric with Pump Axle 5 is d1 cover plate positioning spigot 14,12 cooperations of flange positioning spigot are installed in flange mounting hole 13, and 14 cooperations of cover plate positioning spigot are installed in the transmission axis hole 6 that internal diameter is D.
Claims (4)
1. the drive mechanism of the external oil transfer pump of diesel engine, it comprises external oil transfer pump (1), described external oil transfer pump (1) is installed on transmission case (3) by flange (2), it is characterized in that: it also comprises transmission shaft (4), on described transmission case (3), have the transmission axis hole (6) concentric with Pump Axle (5), the pump shaft of described external oil transfer pump (1) is coupling with described transmission shaft (4) one end after passing the transmission axis hole (6) on described transmission case (3) in described transmission case (3), the other end of described transmission shaft (4) and described Pump Axle (5) are coupling.
2. the drive mechanism of the external oil transfer pump of a kind of diesel engine according to claim 1, it is characterized in that: the pump shaft front end of described external oil transfer pump (1) is flat axle (7), one end face of described transmission shaft (4) has axial flat groove (8), the other end outer circumferential face is set to outside thread (9), one end of described Pump Axle (5) has interior threaded hole (10), the flat axle (7) of described external oil transfer pump (1) is plugged in the flat groove (8) of described transmission shaft (4), between described transmission shaft (4) and described Pump Axle (5), be threaded with the interior threaded hole (10) of described Pump Axle (5) one end by described outside thread (9).
3. the drive mechanism of the external oil transfer pump of a kind of diesel engine according to claim 1 and 2, it is characterized in that: on described transmission case (3), be provided with cover plate (11) is installed, the flange (2) of described external oil transfer pump (1) is installed on described installation cover plate (11).
4. the drive mechanism of the external oil transfer pump of a kind of diesel engine according to claim 3, it is characterized in that: described flange (2) front end is provided with flange positioning spigot (12), described installation cover plate (11) has the flange mounting hole (13) concentric with described Pump Axle (5) and is provided with the cover plate positioning spigot (14) concentric with described Pump Axle (5), described flange positioning spigot (12) cooperation is installed in described flange mounting hole (13), and described cover plate positioning spigot (14) cooperation is installed in described transmission axis hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420285174.2U CN203939602U (en) | 2014-05-30 | 2014-05-30 | The drive mechanism of the external oil transfer pump of a kind of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420285174.2U CN203939602U (en) | 2014-05-30 | 2014-05-30 | The drive mechanism of the external oil transfer pump of a kind of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203939602U true CN203939602U (en) | 2014-11-12 |
Family
ID=51858919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420285174.2U Expired - Lifetime CN203939602U (en) | 2014-05-30 | 2014-05-30 | The drive mechanism of the external oil transfer pump of a kind of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203939602U (en) |
-
2014
- 2014-05-30 CN CN201420285174.2U patent/CN203939602U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141112 |