CN215762764U - Crankshaft timing gear assembly component - Google Patents

Abstract

The utility model discloses a crankshaft timing gear assembly component which comprises a timing gear body and a crankshaft body, wherein the crankshaft body is formed by combining a crank and a connecting rod journal, the two ends of the connecting rod journal are respectively provided with the crank, one end of the crankshaft body is provided with a main journal, the other end of the main journal is provided with a fixed seat, the upper surface of the fixed seat is provided with a threaded hole A and a positioning hole, the positioning hole is positioned on one side of the threaded hole A, the upper surface of the fixed seat is provided with a front end shaft, one side of the outer wall of the timing gear body is provided with a positioning column, and the timing gear body is in clearance connection with the positioning hole on the fixed seat through the positioning column on one side of the outer wall. According to the utility model, through the arrangement of a series of structures, the timing gear can be conveniently and quickly installed and fixed on the crankshaft, and meanwhile, the timing gear is more stable after being installed on the crankshaft and can not loosen after working for a long time.

Description

Crankshaft timing gear assembly component

Technical Field

The utility model relates to the technical field of crankshaft timing gear assembly, in particular to a crankshaft timing gear assembly component.

Background

The main rotating parts of the engine can bear the up-and-down (reciprocating) motion of the connecting rod into a circulating (rotating) motion after the connecting rod is arranged; is an important part on an engine, the material of the part is made of carbon structural steel or nodular cast iron, and the part has two important parts, namely a main journal, a connecting rod journal and the like; the main journal is installed on the cylinder block, the connecting rod journal is connected with the big end hole of the connecting rod, the small end hole of the connecting rod is connected with the cylinder piston, and the crank sliding block mechanism is a typical crank sliding block mechanism; the lubrication of the crankshaft mainly refers to the lubrication with a bearing bush of a big end of a connecting rod and a connecting rod neck of the crankshaft and the lubrication of fixed points at two ends; the rotation of the crankshaft is a power source of the engine; is also the source power of the whole mechanical system; timing gears are gears that perform a time-scale orientation of the associated control functions performed in a mechanical device.

The existing crankshaft timing gear assembly component has the defects that: when the existing timing gear is used for installing a crankshaft, the threaded holes in the timing gear and the crankshaft need to be aligned and fixed, the threaded holes in the timing gear and the crankshaft need more time, if the threaded holes in the timing gear and the crankshaft are not aligned, the timing gear can deviate, the normal work of related components connected with the timing gear is affected, meanwhile, the stability of the timing gear after installation is poor, and looseness easily occurs, so that certain improvement is needed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a crankshaft timing gear assembly that solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a crankshaft timing gear assembly component comprises a timing gear body and a crankshaft body, wherein the crankshaft body is formed by combining a crank and a connecting rod journal, the crank is installed at two ends of the connecting rod journal, a main journal is installed at one end of the crankshaft body, a fixed seat is installed at the other end of the main journal, a threaded hole A and a positioning hole are formed in the upper surface of the fixed seat, the positioning hole is located on one side of the threaded hole A, a front end shaft is installed on the upper surface of the fixed seat, a positioning column is installed on one side of the outer wall of the timing gear body, the timing gear body is in clearance connection with the positioning hole in the fixed seat through the positioning column on one side of the outer wall, a circular hole is formed in the other side of the outer wall of the timing gear body, a threaded hole B is formed in the bottom of the inner wall of the circular hole, the threaded hole B in the timing gear body is connected with the threaded hole A in the fixed seat through a fixing bolt, the timing gear is characterized in that a fixing sleeve is installed on one side of the outer wall of the timing gear body, an internal thread is arranged on the fixing sleeve, and an external thread is arranged on the outer wall of the front end shaft.

Preferably, the fixing sleeve is in meshed connection with the external thread on the outer wall of the front end shaft through the internal thread on the inner wall.

Preferably, the threaded hole a and the threaded hole B have the same size.

Preferably, the fixed seat and the main journal are fixed by welding.

Preferably, the front end shaft and the fixed seat are fixed by welding.

Compared with the prior art, the utility model has the beneficial effects that: according to the timing gear body, the timing gear body is in clearance connection with the positioning hole in the fixing seat through the positioning column on one side of the outer wall through the matching arrangement of the fixing seat, the front end shaft, the fixing sleeve and the timing gear body, so that the timing gear body and the fixing seat are convenient to install, the position of the timing gear body is determined through the primary installation of the timing gear body and the fixing seat, the threaded hole A in the fixing seat is quickly aligned with the threaded hole B in the timing gear body, the timing gear body and the fixing seat are convenient to install and fix through the fixing bolt, the fixing seat is connected with the front end shaft, the fixing sleeve is meshed and connected with the external thread on the front end shaft through the internal thread on the inner wall, so that the gear body is fixed on the fixing seat more stably when the fixing sleeve is aligned, and the timing gear body is prevented from loosening during working to influence the operation of related connecting equipment. According to the utility model, through the arrangement of a series of structures, the timing gear can be conveniently and quickly installed and fixed on the crankshaft, and meanwhile, the timing gear is more stable after being installed on the crankshaft and can not loosen after working for a long time.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a crankshaft of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a first schematic structural diagram of the timing gear body according to the present invention;

fig. 5 is a schematic structural view of the fixing sleeve of the present invention;

FIG. 6 is a second schematic structural diagram of the timing gear body according to the present invention.

In the figure: 1. a front end shaft; 2. fixing a sleeve; 3. a fixed seat; 4. a circular hole; 5. fixing the bolt; 6. a timing gear body; 7. a crankshaft body; 8. a main journal; 9. a connecting rod journal; 10. a crank; 11. an external thread; 12. a threaded hole A; 13. positioning holes; 14. a threaded hole B; 15. an internal thread; 16. and a positioning column.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, an embodiment of the present invention is shown: a crankshaft timing gear assembly component comprises a timing gear body 6 and a crankshaft body 7, wherein the crankshaft body 7 is formed by combining a crank 10 and a connecting rod journal 9, the crank 10 is installed at two ends of the connecting rod journal 9, a main journal 8 is installed at one end of the crankshaft body 7, a fixed seat 3 is installed at the other end of the main journal 8, the fixed seat 3 and the main journal 8 are fixed through welding, a threaded hole A12 and a positioning hole 13 are formed in the upper surface of the fixed seat 3, the positioning hole 13 is located at one side of a threaded hole A12, a front end shaft 1 is installed on the upper surface of the fixed seat 3, the front end shaft 1 and the fixed seat 3 are fixed through welding, a positioning column 16 is installed at one side of the outer wall of the timing gear body 6, the timing gear body 6 is in clearance connection with the positioning hole 13 in the fixed seat 3 through the positioning column 16 at one side of the outer wall, thereby facilitating the installation between the timing gear body 6 and the fixed seat 3, determining the position of the timing gear body 6 through the initial installation of the timing gear body 6 and the fixed seat 3, thereby rapidly aligning the threaded hole A12 on the fixed seat 3 with the threaded hole B14 on the timing gear body 6, facilitating the installation and fixation of the gear body 6 and the fixed seat 3 when the fixing bolt 5 is aligned, the other side of the outer wall of the timing gear body 6 is provided with a circular hole 4, the bottom of the inner wall of the circular hole 4 is provided with a threaded hole B14, the threaded hole B14 on the timing gear body 6 is connected with the threaded hole A12 on the fixed seat 3 through the fixing bolt 5, the size of the threaded hole A12 is consistent with that of the threaded hole B14, one side of the outer wall of the timing gear body 6 is provided with the fixed sleeve 2, the fixed sleeve 2 is provided with an internal thread 15, the fixed sleeve 2 is meshed with the external thread 11 on the outer wall of the front end shaft 1 through the internal thread 15 on the inner wall, be provided with external screw thread 11 on the 1 outer wall of front end axle, fixing base 3 is connected with front end axle 1, and fixed cover 2 is connected through the internal thread 15 on the inner wall and the 11 meshing of external screw thread on the front end axle 1 to make fixed cover 2 fixed more firm on fixing base 3 when adjusting well gear body 6, prevent that timing gear body 6 from appearing not hard up the operation that influences relevant connecting device at the during operation.

The working principle is as follows: when in use, the timing gear body 6 is arranged on the crankshaft body 7, the timing gear body 6 is in clearance connection with the positioning hole 13 on the fixed seat 3 through the positioning column 16 on one side of the outer wall, thereby facilitating the installation between the timing gear body 6 and the fixed seat 3, determining the position of the timing gear body 6 through the initial installation of the timing gear body 6 and the fixed seat 3, thereby leading the threaded hole A12 on the fixed seat 3 to be quickly aligned with the threaded hole B14 on the timing gear body 6, facilitating the installation and fixation of the timing gear body 6 and the fixed seat 3 by the fixing bolt 5, leading the fixed seat 3 to be connected with the front end shaft 1, leading the fixed sleeve 2 to be meshed and connected with the external thread 11 on the front end shaft 1 through the internal thread 15 on the inner wall, thereby make fixed cover 2 when adjusting gear body 6 more firm fixed on fixing base 3, prevent that timing gear body 6 from appearing not hard up the operation that influences relevant connecting device in the during operation.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a bent axle timing gear assembly spare, includes timing gear body (6) and bent axle body (7), its characterized in that: the crankshaft body (7) is formed by combining a crank (10) and a connecting rod journal (9), the crank (10) is installed at two ends of the connecting rod journal (9), a main journal (8) is installed at one end of the crankshaft body (7), a fixing seat (3) is installed at the other end of the main journal (8), a threaded hole A (12) and a positioning hole (13) are formed in the upper surface of the fixing seat (3), the positioning hole (13) is located on one side of the threaded hole A (12), a front end shaft (1) is installed on the upper surface of the fixing seat (3), a positioning column (16) is installed on one side of the outer wall of the timing gear body (6), the timing gear body (6) is in clearance connection with the positioning hole (13) in the fixing seat (3) through the positioning column (16) on one side of the outer wall, a circular hole (4) is formed in the other side of the outer wall of the timing gear body (6), a threaded hole B (14) is formed in the bottom of the inner wall of the circular hole (4), the timing gear is characterized in that a threaded hole B (14) in the timing gear body (6) is connected with a threaded hole A (12) in the fixing seat (3) through a fixing bolt (5), a fixing sleeve (2) is installed on one side of the outer wall of the timing gear body (6), an internal thread (15) is arranged on the fixing sleeve (2), and an external thread (11) is arranged on the outer wall of the front end shaft (1).

2. A crankshaft timing gear assembly as set forth in claim 1, wherein: the fixed sleeve (2) is meshed and connected with the external thread (11) on the outer wall of the front end shaft (1) through the internal thread (15) on the inner wall.

3. A crankshaft timing gear assembly as set forth in claim 1, wherein: the size of the threaded hole A (12) is consistent with that of the threaded hole B (14).

4. A crankshaft timing gear assembly as set forth in claim 1, wherein: the fixing seat (3) and the main journal (8) are fixed through welding.

5. A crankshaft timing gear assembly as set forth in claim 1, wherein: the front end shaft (1) and the fixed seat (3) are fixed through welding.

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