CN215059298U - Diesel engine injection pump gear - Google Patents
Diesel engine injection pump gear Download PDFInfo
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- CN215059298U CN215059298U CN202120778715.5U CN202120778715U CN215059298U CN 215059298 U CN215059298 U CN 215059298U CN 202120778715 U CN202120778715 U CN 202120778715U CN 215059298 U CN215059298 U CN 215059298U
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- diesel engine
- injection pump
- engine injection
- pump gear
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Abstract
The utility model belongs to the technical field of the machine part, concretely relates to diesel engine injection pump gear, this device includes: a diesel engine injection pump gear, comprising: the outer circumference of the wheel disc (1) is provided with a gear mounting groove (11); and the detachable gear teeth (2) are in interference fit in the gear tooth mounting grooves (11). The utility model provides a diesel engine injection pump gear can realize the change of single teeth of a cogwheel when teeth of a cogwheel wearing and tearing or damage, or the gear scrap back with good teeth of a cogwheel cyclic utilization, is favorable to resources are saved, the operation of guarantee equipment.
Description
Technical Field
The utility model belongs to the technical field of the machine part, concretely relates to diesel engine injection pump gear.
Background
The diesel engine fuel injection pump is used for injecting diesel oil to a cylinder, and is an important component of the diesel engine, and the fuel injection pump gear is used as a motion transmission part, and the stable operation of the fuel injection pump gear is an important guarantee for the stable operation of the diesel engine. The gear is inevitably damaged by pitting, abrasion, broken teeth and the like in transmission, and when one gear tooth is damaged, the whole new gear needs to be replaced, so that resource waste is caused, and therefore, the gear with the replaceable gear tooth is needed.
The existing gear tooth replacement is mainly realized by replacing a rack, a single gear tooth is damaged, and peripheral gear teeth can be replaced together.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a diesel engine injection pump gear to solve the single teeth of a cogwheel damage of injection pump gear and need change the technical problem of whole gear or a plurality of teeth of a cogwheel.
In order to solve the technical problem, the utility model provides a diesel engine injection pump gear, a serial communication port, include: the outer circumference of the wheel disc is uniformly provided with a plurality of axially arranged wheel tooth mounting grooves; and a plurality of detachable gear teeth which are respectively embedded in the corresponding gear tooth mounting grooves in an interference fit manner.
Furthermore, the mounting part of the detachable gear teeth is trapezoidal, and the narrow part of the trapezoid corresponds to the bottom position of the gear tooth mounting groove; notches are arranged on two side walls of the trapezoid, and a gear tooth pin hole which is an opening hole is arranged at the narrow part of the trapezoid; the both sides wall of teeth of a cogwheel mounting groove is equipped with the arch with the breach adaptation.
Further, the diesel engine injection pump gear further includes: and the diameter of the connecting pin is larger than the inner diameter of the gear tooth pin hole so as to form an interference fit.
Furthermore, a shaft hole is formed in the center of the wheel disc and used for mounting a gear; the wheel disc further includes: and bolt mounting holes which are uniformly distributed and used for mounting the gear are formed in the annular groove surrounding the shaft hole.
Furthermore, cover plates are arranged on two sides of the end face of the wheel disc, and cover plate pin holes corresponding to the gear tooth pin holes are formed in the cover plates.
Furthermore, the cover plate is an annular cover plate, the diameter of the inner ring of the annular cover plate is between the shaft hole and the inner ring of the annular groove, the diameter of the outer ring is larger than that of the outer ring of the annular groove, and a mounting hole corresponding to the bolt mounting hole in the annular groove is formed in the outer ring.
Furthermore, noise reduction cotton is filled between the cover plate and the wheel disc to form a noise reduction layer.
The beneficial effects of the utility model are that, the utility model discloses a diesel engine injection pump gear can realize the change of single teeth of a cogwheel when the teeth of a cogwheel damages to the groove design of rim plate can alleviate gear weight, and the cotton noise that can reduce the gear vibrations of making an uproar falls.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a diesel engine fuel injection pump gear uncapped structure;
FIG. 2 is a schematic diagram of a diesel engine fuel injection pump gear cover plate structure;
fig. 3 is a side sectional view of a diesel engine injection pump gear.
In the figure:
the wheel disc comprises a wheel disc 1, a wheel tooth mounting groove 11, a protrusion 111, a shaft hole 12, an annular groove 13 and a bolt mounting hole 14;
the detachable gear teeth 2, the mounting part 21, the notch 211 and the gear tooth pin hole 212;
the cover plate 3, the cover plate pin hole 31 and the mounting hole 32;
and noise reduction cotton 5.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1, the present embodiment provides a diesel engine injection pump gear, which may include:
the wheel disc 1 is provided with a wheel tooth installation groove 11 on the outer circumference; and
and the detachable gear teeth 2 are in interference fit in the gear tooth mounting grooves 11.
The installation part 21 of the detachable gear teeth 2 related to the embodiment is provided with a notch 211 and a gear tooth pin hole 212, the notch 211 can form interference fit with the protrusion 111 of the gear tooth installation groove 11 during installation, the gear tooth pin hole 212 adopts an opening design, and after the connecting pin 4 (located inside 212 of fig. 1) with a size larger than that of the gear tooth pin hole 212 is inserted, the gear tooth pin hole 212 expands, so that the detachable gear teeth 2 are more tightly matched with the wheel disc 1, and detachment and replacement of a single gear tooth can be realized.
In this embodiment, shaft hole 12 has been seted up at rim plate 1 center, has seted up annular groove 13 around the shaft hole to and have bolt mounting hole 14 along circumference evenly distributed on annular groove 13, 180 setting two bolt mounting holes 14 are taken to this embodiment, shaft hole 12 and bolt mounting hole 14 are used for the installation, and gear weight can be alleviateed in the design of annular groove 13, make gear drive more steady.
As shown in fig. 2 and 3, the diesel engine fuel injection pump gear provided in this embodiment may further have cover plates 3 on two sides of the gear, the cover plates are annular, the diameter of the inner ring is between the outer diameter of the shaft hole 12 and the inner ring of the annular groove 13, the diameter of the outer ring is greater than the diameter of the outer ring of the annular groove 13, and the cover plate 3 is provided with a cover plate pin hole 31 adapted to the wheel disc pin hole 112 and a mounting hole 32 adapted to the bolt mounting hole 14 of the annular groove 14. Install apron 3 additional and can further consolidate and dismantle teeth of a cogwheel 2, it has the cotton 5 of making an uproar of falling to fill at apron 3 and 1 packing of rim plate simultaneously, can reach vibration/noise reduction's effect.
In conclusion, the embodiment provides a diesel engine injection pump gear, the detachable gear teeth 2 of the diesel engine injection pump gear can be replaced singly, the weight reduction is realized through the annular groove 14, the vibration and noise reduction is realized through the noise reduction cotton 5, and the diesel engine injection pump gear has the advantages of being stable in operation and saving resources.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A diesel engine injection pump gear, comprising:
the outer circumference of the wheel disc (1) is uniformly provided with a plurality of axially arranged wheel tooth mounting grooves (11); and
the plurality of detachable gear teeth (2) are respectively embedded in the corresponding gear tooth mounting grooves (11) in an interference fit manner.
2. The diesel engine injection pump gear of claim 1,
the mounting part (21) of the detachable gear teeth (2) is trapezoidal, and the narrow part of the trapezoid corresponds to the bottom position of the gear tooth mounting groove (11);
the two side walls of the trapezoid are provided with notches (211), an
A gear tooth pin hole (212) is arranged at the narrow part of the trapezoid and is an open hole;
and bulges (111) matched with the notches (211) are arranged on two side walls of the gear tooth mounting groove (11).
3. The diesel engine injection pump gear of claim 1,
the diesel engine injection pump gear further includes:
a connecting pin (4) having a diameter greater than the internal diameter of the cogged pin bore (212) to form an interference fit.
4. The diesel engine injection pump gear of claim 2,
the center of the wheel disc (1) is provided with a shaft hole (12) for mounting a gear;
the wheel disc (1) further comprises:
and an annular groove (13) surrounding the shaft hole (12) is provided with bolt mounting holes (14) which are uniformly distributed and used for mounting the gear.
5. The diesel engine injection pump gear of claim 2,
and cover plates (3) are arranged on two sides of the end face of the wheel disc (1), and cover plate pin holes (31) corresponding to the gear tooth pin holes (212) are formed in the cover plates.
6. The diesel engine injection pump gear of claim 5,
the cover plate (3) is an annular cover plate, the diameter of an inner ring of the annular cover plate is between the shaft hole (12) and the inner ring of the annular groove (13), the diameter of an outer ring of the annular cover plate is larger than that of the outer ring of the annular groove (13), and a mounting hole (32) corresponding to the bolt mounting hole (14) in the annular groove (13) is formed in the outer ring.
7. The diesel engine injection pump gear of claim 6,
noise reduction cotton (5) is filled between the cover plate (3) and the wheel disc (1) to form a noise reduction layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120778715.5U CN215059298U (en) | 2021-04-15 | 2021-04-15 | Diesel engine injection pump gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120778715.5U CN215059298U (en) | 2021-04-15 | 2021-04-15 | Diesel engine injection pump gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215059298U true CN215059298U (en) | 2021-12-07 |
Family
ID=79105946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120778715.5U Active CN215059298U (en) | 2021-04-15 | 2021-04-15 | Diesel engine injection pump gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215059298U (en) |
-
2021
- 2021-04-15 CN CN202120778715.5U patent/CN215059298U/en active Active
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