CN215804904U - Transmission device of fuel injection pump - Google Patents
Transmission device of fuel injection pump Download PDFInfo
- Publication number
- CN215804904U CN215804904U CN202121995345.7U CN202121995345U CN215804904U CN 215804904 U CN215804904 U CN 215804904U CN 202121995345 U CN202121995345 U CN 202121995345U CN 215804904 U CN215804904 U CN 215804904U
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- injection pump
- shaft section
- fuel injection
- outer side
- bearing bush
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Abstract
The utility model discloses an oil injection pump transmission device, which comprises an oil injection pump and a driving device, wherein a flange plate is arranged between the oil injection pump and the driving device, the oil injection pump is fixedly connected with the driving device through a connecting bolt penetrating through the flange plate, the driving device comprises a base body and an installation shaft section, the installation shaft section is arranged in the base body, the outer side surface of the installation shaft section is matched and provided with a bearing bush, the middle position of the base body is provided with a through cavity, the bearing bush and the through cavity are in interference fit, an inner hole circle of the installation shaft section is provided with an inner spline, the inner spline is in meshed connection with an outer spline on an input shaft of the oil injection pump, one end of the installation shaft section is provided with an outer spline shaft which is in meshed fit with a driving gear, the oil injection pump transmission device improves the connection precision between the oil injection pump and the driving gear, reduces the noise generated by the rotation of the gear, and is convenient to replace the gear at the same time, the use convenience is greatly improved.
Description
Technical Field
The utility model relates to the technical field of fuel injection pumps, in particular to a fuel injection pump transmission device.
Background
The fuel injection pump on the existing diesel engine is mainly directly driven by a driving gear, an inner hole of the driving gear is directly and fixedly connected with an input shaft of the fuel injection pump through a large nut, and the power of a transmission shaft is transmitted to the fuel injection pump to realize the work of the fuel injection pump.
However, the driving gear and the mounting shaft section are directly fixed, the complexity of the machining process can be increased, the gears of different specifications are not convenient to replace, the driving gear and the input shaft of the fuel injection pump are directly fastened and then are transmitted with the gear train in the gear chamber, the adjustability is low, the possibility of assembly errors among the gears is high, and the problem of high noise is easy to occur.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the existing defects, and provide the transmission device of the fuel injection pump, which improves the connection precision between the fuel injection pump and the driving gear, reduces the noise generated by the rotation of the gear, is convenient to replace the gear, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an injection pump transmission, includes injection pump and drive arrangement, be provided with the ring flange between injection pump and the drive arrangement, and with injection pump and drive arrangement fixed connection through the connecting bolt who passes the ring flange, drive arrangement includes pedestal and installation shaft section, the installation shaft section sets up in the pedestal, the axle bush is installed in the lateral surface cooperation of installation shaft section, the intermediate position of pedestal is provided with logical chamber, the axle bush with lead to between the chamber for interference fit, the hole round of installation shaft section is provided with the internal spline, the internal spline is connected with the external spline meshing on the injection pump input shaft, the one end of installation shaft section is provided with the external spline axle with drive gear meshing complex.
As a preferred technical scheme of the utility model, an annular edge is arranged on the outer side surface of one end of the bearing bush, a clamping groove is arranged on the annular edge, an annular edge is arranged on the outer side surface of the mounting shaft section, a clamping convex block is arranged at one end of the annular edge, and the clamping convex block and the clamping groove are matched and clamped together.
As a preferable technical solution of the present invention, the outer side surface of the seat body is provided with a threaded hole for passing through the connecting bolt.
As a preferred technical scheme of the utility model, an oil duct is arranged on the outer side surface of the seat body, a ball joint pipe is arranged at the outer side end of the oil duct, and a pipe joint screw is connected to one end of the ball joint pipe in a threaded manner.
As a preferable technical scheme of the utility model, a gasket is arranged between the ball joint pipe and the oil duct.
As a preferred technical solution of the present invention, an oil hole for lubricating the bearing bush is provided on an outer side surface of the mounting shaft section.
According to a preferable technical scheme of the utility model, a connecting plate is arranged between the external spline shaft and the bearing bush, through holes are formed in the external spline shaft and the connecting plate, and bolts for connecting the external spline shaft and the mounting shaft section penetrate through the through holes.
As a preferred technical solution of the present invention, a washer is disposed between the mounting shaft segment and the seat body.
Compared with the prior art, the utility model has the beneficial effects that: this injection pump transmission compact structure, reasonable in design, high durability and convenient operation, the installation shaft section is through installing in drive arrangement's pedestal with the axle bush cooperation, compare in original pedestal and the integrative setting of installation shaft section, this transmission has simplified the course of working, can dismantle with the external spline axle through the bolt and be connected in the one end of installation shaft section, be convenient for change and external spline axle mesh complex drive gear, in addition, adopt spline structure meshing cooperation between drive arrangement and injection pump, can improve the connection precision, simplified process, effectual noise reduction, and the convenience in use is greatly improved.
Drawings
FIG. 1 is a schematic view of a driving device according to the present invention;
FIG. 2 is a cross-sectional view of the drive device;
fig. 3 is an exploded view of the overall installation of the present invention.
In the figure: the oil injection pump comprises an oil injection pump 1, a connecting bolt 2, a driving device 3, a base 4, a through cavity 41, a threaded hole 42, an oil duct 43, a gasket 5, a ball joint pipe 6, a pipe joint screw 7, a gasket 8, an installation shaft section 9, an internal spline 91, an oil hole 92, an annular edge 93, a clamping convex block 94, a bearing bush 10, a clamping groove 101, an annular edge 102, a connecting plate 11, a bolt 12 and an external spline shaft 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a fuel injection pump transmission device comprises a fuel injection pump 1 and a driving device 3, wherein a flange plate is arranged between the fuel injection pump 1 and the driving device 3, the fuel injection pump 1 is fixedly connected with the driving device 3 through a connecting bolt 2 penetrating through the flange plate, the driving device 3 comprises a base body 4 and an installation shaft section 9, the installation shaft section 9 is arranged in the base body 4, a gasket 8 is arranged between the installation shaft section 9 and the base body 4, hard friction between the installation shaft section 9 and the base body 4 can be prevented by arranging the gasket 8, a threaded hole 42 for penetrating through the connecting bolt 2 is arranged on the outer side surface of the base body 4, a bearing bush 10 is arranged on the outer side surface of the installation shaft section 9 in a matching way, an annular edge 102 is arranged on the outer side surface of one end of the bearing bush 10, a clamping groove 101 is arranged on the annular edge 102, an annular edge 93 is arranged on the outer side surface of the installation shaft section 9, a clamping lug 94 is arranged at one end of the annular edge 93, and the clamping lug 94 is in matching with the clamping groove 101, the other annular edge 93 of the annular edge 102 is just attached together to play a positioning role, a through cavity 41 is arranged at the middle position of the seat body 4, the bearing bush 10 and the through cavity 41 are in interference fit, an oil duct 43 is arranged on the outer side surface of the seat body 4, a ball joint pipe 6 is arranged at the outer side end of the oil duct 43, a pipe joint screw 7 is in threaded connection with one end of the ball joint pipe 6, oil feeding lubrication on the bearing bush 10 is realized by arranging the oil duct 43 and the ball joint pipe 6, an inner spline 91 is arranged on one circle of an inner hole of the installation shaft section 9, the inner spline 91 is in meshing connection with an outer spline on an input shaft of the oil injection pump 1, an oil hole 92 for lubricating the bearing bush 10 is arranged on the outer side surface of the installation shaft section 9, the oil hole 92 is convenient for injecting oil lubrication into the bearing bush 10, an outer spline shaft 13 in meshing fit with a driving gear is arranged at one end of the installation shaft section 9, and a connecting plate 11 is arranged between the outer spline 13 and the bearing bush 10, all be provided with the through-hole on external spline shaft 13 and the connecting plate 11, it has the bolt 12 that is used for connecting external spline shaft 13 and installation shaft section 9 to have worn to connect in the through-hole, bolt 12 passes the ring border 93 of installation shaft section 9, conveniently changes external spline shaft 13, and then is convenient for change drive gear, this injection pump transmission compact structure, reasonable in design, convenient operation can improve the connection accuracy between drive gear and the injection pump, the simplified process, effectual noise reduction has improved the convenience of use greatly.
When in use: firstly, the bearing bush 10 is sleeved at the outer end of the installation shaft section 9, so that the clamping convex block 94 of the installation shaft section 9 is tightly inserted into the clamping groove 101 on the bearing bush 10, then the bolt 12 sequentially penetrates through the external spline shaft 13 and the connecting plate 11, so that the connecting plate 11 is attached to one end plane of the bearing bush 10, the bolt 12 penetrates through the annular edge 93 of the installation shaft section 9, then the bolt is screwed up through the nut, the installation shaft section 9 is pressed in the through cavity 41 of the base body 4, so that the internal spline 91 on the installation shaft section 9 is meshed with the external spline of the input shaft of the oil injection pump 1, the oil injection pump 1 and the base body 4 are connected through the connecting bolt 2, and the external spline of the external spline shaft 13 is meshed with the teeth of the driving gear.
Example 2: the difference from embodiment 1 is that a gasket 5 is arranged between the ball joint pipe 6 and the oil passage 43, and the gasket 5 is arranged to facilitate sealing of the joint between the oil passage 43 and the ball joint pipe 6 and prevent oil leakage.
The utility model can be operated conveniently, occupies less space when in use and is convenient to operate and use; the connection precision between the driving gear and the fuel injection pump 1 can be improved, and the use convenience is improved; the arrangement of the blocking projection 94 and the blocking groove 101 facilitates the quick installation of the bearing bush 10 and the installation shaft section 9, and further improves the use convenience.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An injection pump transmission, characterized in that: comprises an oil injection pump (1) and a driving device (3), a flange plate is arranged between the oil injection pump (1) and the driving device (3), the oil injection pump (1) is fixedly connected with the driving device (3) through a connecting bolt (2) penetrating through the flange plate, the driving device (3) comprises a seat body (4) and a mounting shaft section (9), the mounting shaft section (9) is arranged in the seat body (4), the outer side surface of the mounting shaft section (9) is provided with a bearing bush (10) in a matching way, a through cavity (41) is arranged in the middle of the seat body (4), the bearing bush (10) and the through cavity (41) are in interference fit, an inner spline (91) is arranged in one circle of an inner hole of the mounting shaft section (9), the inner spline (91) is meshed and connected with an outer spline on an input shaft of the fuel injection pump (1), and an external spline shaft (13) meshed and matched with the driving gear is arranged at one end of the mounting shaft section (9).
2. The fuel injection pump transmission of claim 1, wherein: the bearing bush is characterized in that an annular edge (102) is arranged on the outer side face of one end of the bearing bush (10), a clamping groove (101) is formed in the annular edge (102), an annular edge (93) is arranged on the outer side face of the mounting shaft section (9), a clamping convex block (94) is arranged at one end of the annular edge (93), and the clamping convex block (94) is matched and clamped with the clamping groove (101).
3. The fuel injection pump transmission of claim 1, wherein: the outer side surface of the seat body (4) is provided with a threaded hole (42) for penetrating through the connecting bolt (2).
4. The fuel injection pump transmission of claim 1, wherein: an oil duct (43) is arranged on the outer side face of the seat body (4), a ball joint pipe (6) is arranged at the outer side end of the oil duct (43), and a pipe joint screw (7) is connected to one end of the ball joint pipe (6) in a threaded mode.
5. The fuel injection pump transmission of claim 4, wherein: and a gasket (5) is arranged between the ball joint pipe (6) and the oil duct (43).
6. The fuel injection pump transmission of claim 1, wherein: and an oil hole (92) for lubricating the bearing bush (10) is formed in the outer side surface of the mounting shaft section (9).
7. The fuel injection pump transmission of claim 1, wherein: a connecting plate (11) is arranged between the external spline shaft (13) and the bearing bush (10), through holes are formed in the external spline shaft (13) and the connecting plate (11), and bolts (12) used for connecting the external spline shaft (13) and the mounting shaft section (9) penetrate through the through holes.
8. The fuel injection pump transmission of claim 1, wherein: and a gasket (8) is arranged between the mounting shaft section (9) and the seat body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121995345.7U CN215804904U (en) | 2021-08-24 | 2021-08-24 | Transmission device of fuel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121995345.7U CN215804904U (en) | 2021-08-24 | 2021-08-24 | Transmission device of fuel injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215804904U true CN215804904U (en) | 2022-02-11 |
Family
ID=80150404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121995345.7U Active CN215804904U (en) | 2021-08-24 | 2021-08-24 | Transmission device of fuel injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215804904U (en) |
-
2021
- 2021-08-24 CN CN202121995345.7U patent/CN215804904U/en active Active
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