CN209761512U

CN209761512U - Novel assembled camshaft

Info

Publication number: CN209761512U
Application number: CN201920434480.0U
Authority: CN
Inventors: 刘桂通; 李群
Original assignee: Shanghai Yang Fa Power Co Ltd
Current assignee: Shanghai Yang Fa Power Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2019-12-10
Anticipated expiration: 2029-04-02

Abstract

A novel fabricated camshaft includes: the connecting device comprises a first shaft section, a shaft shoulder, a sleeved shaft section, a shaft rod and a second shaft section, wherein one end of the first shaft section is connected with the second shaft section through the shaft shoulder, the sleeved shaft section, the shaft rod and the second shaft section in sequence, and the first shaft section is on the same straight line with the shaft shoulder, the sleeved shaft section, the shaft rod and the second shaft section; wherein, the cup joint shaft section includes: shaft end, axle sleeve, cotter way, pinhole, mounting hole and fixed pin. The utility model discloses compare with the conventional art, adopt and cup joint the shaft part in the design of shaft shoulder department, can be to first shaft part and the free dismouting of second shaft part through cup jointing the shaft part to realized the split to traditional integrated camshaft, especially the long and thin camshaft of 1.6m, the axial length that reduces behind the split, greatly reduced slender axles processing difficulty, at corresponding processing equipment investment, production line area, aspect such as manufacturing cost also greatly reduced.

Description

Novel assembled camshaft

Technical Field

The utility model relates to a camshaft for the engine, concretely relates to novel assembled camshaft.

Background

In the valve train, performance requirements are different for each part of the camshaft. For cams, abrasion resistance, sticking resistance, and pitting resistance are required; good sliding performance is required for the shaft neck; the shaft is required to have good rigidity, bending and torsion properties. The traditional camshaft is mainly cast or forged, and the machining process comprises rough machining, semi-finishing and finishing. An automatic station machine tool is needed in production, so that the equipment investment is large, the floor area of a production line is large, and the production cost is high. Particularly, when the 1.6m long and thin camshaft is produced, the investment on processing equipment is larger, the occupied area of a production line is larger, and the production cost is higher, so that the unit price of the 1.6m long and thin camshaft product is higher.

Therefore, a series of improvements have been made to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel assembled camshaft to overcome the above-mentioned shortcoming and not enough that prior art exists.

A novel assembled camshaft, comprising: the connecting device comprises a first shaft section, a shaft shoulder, a sleeved shaft section, a shaft rod and a second shaft section, wherein one end of the first shaft section is connected with the second shaft section sequentially through the shaft shoulder, the sleeved shaft section, the shaft rod and the second shaft section, and the first shaft section is on the same straight line with the shaft shoulder, the sleeved shaft section, the shaft rod and the second shaft section;

wherein, the cup joint shaft section includes: the shaft end is connected with the shaft shoulder, the other end of the shaft end is connected with one end of the shaft rod through the shaft sleeve, the shaft end is arranged on the same straight line with the axes of the shaft sleeve, the shaft shoulder and the shaft rod, the pin groove and the pin hole are formed in the outer side wall of the shaft end, the pin groove is perpendicular to the axis of the pin hole, the mounting hole is formed in the shaft sleeve and corresponds to the pin groove and the pin hole respectively, the fixing pin is connected with the pin groove through the mounting hole, and the fixing pin is connected with the pin hole through the mounting hole.

Further, the cross section of the shaft end is circular, and the diameter of the shaft end is the same as that of the shaft rod.

further, the bushing includes: the sleeve is connected with the shaft rod through the sleeve plate, the sleeve is in a straight line with the axis of the sleeve plate and the axis of the shaft rod, and the sleeve is sleeved with the shaft end.

The utility model has the advantages that:

The utility model discloses compare with the conventional art, adopt and cup joint the shaft part in the design of shaft shoulder department, can be to first shaft part and the free dismouting of second shaft part through cup jointing the shaft part to realized the split to traditional integrated camshaft, especially the long and thin camshaft of 1.6m, the axial length that reduces behind the split, greatly reduced slender axles processing difficulty, at corresponding processing equipment investment, production line area, aspect such as manufacturing cost also greatly reduced.

drawings

Fig. 1 is a structural diagram of the present invention.

Reference numerals:

First shaft segment 100, shoulder 200, female shaft segment 300, shaft end 310, bushing 320, bushing plate 321, sleeve 322, pin slot 330, pin hole 340, mounting hole 350, retaining pin 360, shaft 400, and second shaft segment 500.

Detailed Description

The present invention will be further described with reference to the following examples. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.

Example 1

Fig. 1 is a structural diagram of the present invention.

As shown in fig. 1, a novel assembled camshaft is characterized by comprising: the shaft comprises a first shaft section 100, a shaft shoulder 200, a sleeved shaft section 300, a shaft rod 400 and a second shaft section 500, wherein one end of the first shaft section 100 is connected with the shaft shoulder 200, the sleeved shaft section 300, the shaft rod 400 and the second shaft section 500 in sequence, and the axes of the first shaft section 100, the shaft shoulder 200, the sleeved shaft section 300, the shaft rod 400 and the second shaft section 500 are on the same straight line;

Wherein, cup joint shaft section 300 includes: shaft end 310, axle sleeve 320, cotter 330, pinhole 340, mounting hole 350 and fixed pin 360, shaft end 310 one end is connected with shaft shoulder 200, the shaft end 310 other end is connected with axostylus axostyle 400 one end through axle sleeve 320, shaft end 310 and axle sleeve 320, shaft shoulder 200, the axis of axostylus axostyle 400 is on a straight line, shaft end 310 lateral wall is equipped with cotter 330 and pinhole 340, cotter 330 is mutually perpendicular relation with the axis of pinhole 340, mounting hole 350 is located on axle sleeve 320, mounting hole 350 corresponds with cotter 330 and pinhole 340 respectively, fixed pin 360 passes through mounting hole 350 and is connected with cotter 330, fixed pin 360 passes through mounting hole 350 and is connected with pinhole 340.

Further, shaft end 310 is circular in cross-section, and shaft end 310 has a diameter that is the same as the diameter of shaft 400.

Further, the bushing 320 includes: the sleeve plate 321 and the sleeve 322, the sleeve plate 321 is circular, the diameter of the sleeve plate 321 is the same as the outer diameter of the sleeve 322, the sleeve 322 is connected with the shaft rod 400 through the sleeve plate 321, the sleeve 322 is in a straight line with the axis of the sleeve plate 321 and the axis of the shaft rod 400, and the sleeve 322 is sleeved with the shaft end 310.

The utility model discloses innovation point lies in segmenting traditional slender camshaft, divide into first shaft section 100 and second shaft section 500, set up at 100 shoulders 200 of first shaft section and cup joint shaft section 300, the axle head 310 cross section of cup joint shaft section 300 is circular, design 1 cotter way 330 and 2 pinhole 340 on the axle head 310 lateral wall, cotter way 330 is mutually perpendicular with the axis of pinhole 340, wherein, cotter way 330 is seted up on axle head 310 lateral wall along the vertical direction, 2 pinhole 340 are seted up on axle head 310 lateral wall along the horizontal direction, and 2 pinhole 340 are on a horizontal plane; a shaft sleeve 320 consisting of a sleeve plate 321 and a sleeve 322 is additionally arranged at one end of the shaft rod 400 of the second shaft section 500, wherein the sleeve 322 is in clearance fit with the shaft end 310, and a mounting hole 350 is formed in the sleeve 322 corresponding to the pin slot 330 and the pin hole 340; the shaft end 310 is inserted into the shaft sleeve 320, then the fixing pin 360 is inserted into the pin slot 330 through the mounting hole 350, and is inserted into the pin hole 340 through the mounting hole 350, and the shaft end 310 and the shaft sleeve 320 are further fixed, so that the first shaft section 100 and the second shaft section 500 are integrally assembled.

it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to 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," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The above description has been made of the embodiments of the present invention, but the present invention is not limited thereto, and various changes may be made without departing from the spirit of the present invention.

Claims

1. A novel assembled camshaft, comprising: the connecting structure comprises a first shaft section (100), a shaft shoulder (200), a sleeved shaft section (300), a shaft rod (400) and a second shaft section (500), wherein one end of the first shaft section (100) is connected with the second shaft section (500) sequentially through the shaft shoulder (200), the sleeved shaft section (300), the shaft rod (400), and the axes of the first shaft section (100), the shaft shoulder (200), the sleeved shaft section (300), the shaft rod (400) and the second shaft section (500) are on the same straight line;

Wherein the quill segment (300) comprises: a shaft end (310), a shaft sleeve (320), a pin groove (330), a pin hole (340), a mounting hole (350) and a fixing pin (360), one end of the shaft end (310) is connected with the shaft shoulder (200), the other end of the shaft end (310) is connected with one end of the shaft lever (400) through a shaft sleeve (320), the shaft end (310) is in the same straight line with the axes of the shaft sleeve (320), the shaft shoulder (200) and the shaft lever (400), the outer side wall of the shaft end (310) is provided with a pin groove (330) and a pin hole (340), the axes of the pin slot (330) and the pin hole (340) are mutually vertical, the mounting hole (350) is arranged on the shaft sleeve (320), the mounting holes (350) correspond to the pin grooves (330) and the pin holes (340), respectively, the fixing pin (360) is connected with the pin groove (330) through the mounting hole (350), the fixing pin (360) is connected with the pin hole (340) through the mounting hole (350).

2. The novel assembled camshaft of claim 1, wherein: the section of the shaft end (310) is circular, and the diameter of the shaft end (310) is the same as that of the shaft rod (400).

3. the novel assembled camshaft of claim 1, wherein: the bushing (320) includes: the sleeve comprises a sleeve plate (321) and a sleeve (322), wherein the sleeve plate (321) is circular, the diameter of the sleeve plate (321) is the same as the outer diameter of the sleeve (322), the sleeve (322) is connected with the shaft rod (400) through the sleeve plate (321), the sleeve (322), the sleeve plate (321) and the shaft rod (400) are arranged on the same straight line, and the sleeve (322) is sleeved with the shaft end (310).