阅读说明：本技术 一种传动套 (Transmission sleeve ) 是由 陈镇培 曹杨军 李海先 于 2019-03-29 设计创作，主要内容包括：本发明公开了一种传动套,包括传动轴,所述传动轴的一端设有信号盘,所述传动轴另一端的端面上轴向凸出的设有传递动力的传动齿,所述传动轴内设有贯通其两端设置的定位孔,所述信号盘上设有与所述传动轴相连的连接凸台,所述连接凸台的中心处设有沿所述传动轴的轴向方向凹陷设置的定位止口。本发明的传动套,属于内燃机设计技术领域,采用集成式设计,传动轴信号盘一体成型,减少了内燃机的零件数量,附合轻量化设计理念和精益设计理念；装配工艺性好,提高了装配效率,采用集成化设计后,减少了零件之间的螺栓过渡连接,可靠性好；而且,一体成型结构,结构紧凑,占用空间小,结构强度高,力矩传递稳定。(The invention discloses a transmission sleeve which comprises a transmission shaft, wherein a signal disc is arranged at one end of the transmission shaft, transmission teeth for transmitting power are arranged on the end face of the other end of the transmission shaft in an axially protruding mode, positioning holes penetrating through two ends of the transmission shaft are formed in the transmission shaft, a connecting boss connected with the transmission shaft is arranged on the signal disc, and a positioning spigot which is arranged in a recessed mode along the axial direction of the transmission shaft is arranged in the center of the connecting boss. The transmission sleeve disclosed by the invention belongs to the technical field of internal combustion engine design, adopts integrated design, and the transmission shaft signal panel is integrally formed, so that the number of parts of the internal combustion engine is reduced, and a lightweight design concept and a lean design concept are attached; the assembly manufacturability is good, the assembly efficiency is improved, the bolt transitional connection between parts is reduced after the integrated design is adopted, and the reliability is good; and the integrated structure has compact structure, small occupied space, high structural strength and stable torque transmission.)

1. The utility model provides a transmission sleeve, includes transmission shaft (1), its characterized in that, the one end of transmission shaft (1) is equipped with signal panel (2), the convex driving gear (12) that are equipped with transmission power of axial on the terminal surface of the transmission shaft (1) other end, be equipped with locating hole (11) that link up its both ends and set up in transmission shaft (1), be equipped with on signal panel (2) with connection boss (3) that transmission shaft (1) links to each other, the center department of connecting boss (3) is equipped with the edge location tang (31) that the axial direction of transmission shaft (1) is sunken to be set up.

2. A driving sleeve according to claim 1, characterized in that the driving teeth (12) are square, the number of the driving teeth (12) is multiple, and the multiple driving teeth (12) are evenly distributed at the edge of the end surface of the driving shaft (1).

3. A drive sleeve according to claim 2, characterized in that the number of the drive teeth (12) is four, and four drive teeth (12) are arranged in a cross.

4. A drive sleeve according to claim 1, 2 or 3, characterized in that the signal disc (2) is provided with at least three bolt holes (22), and bolt bearing bosses (21) are provided at the bolt holes (22).

5. The transmission sleeve as claimed in claim 4, wherein the connecting boss (3) is petal-shaped, and the outer edge of the connecting boss (3) is provided with a petal structure connected with the bolt pressure-bearing boss (21).

6. The transmission housing as claimed in claim 5, characterized in that a hollow-out hole (24) is provided in the signal disc (2) between two adjacent bolt holes (22), and the hollow-out hole (24) has a fan-shaped structure.

7. A drive sleeve according to claim 5 or 6, characterized in that the signal disk (2) is provided on its outer circumference with signal teeth (23) projecting outwards, which signal teeth (23) are of square construction.

8. A drive sleeve according to claim 7, characterized in that the drive shaft (1), the signal panel (2) and the connecting boss (3) form an integrally formed drive sleeve structure.

Technical Field

The invention relates to the technical field of internal combustion engine design, in particular to a transmission sleeve.

Background

The internal combustion engine is the most common power machine in modern times, and has been widely applied to the fields of transportation, engineering machinery, agricultural equipment and the like, and the transmission sleeve is a transmission connecting device for outputting power outwards through a gear chamber of the internal combustion engine.

The traditional transmission sleeve is: the transmission sleeve is an independent part, and a signal panel for acquiring the phase signal of the engine cam is also an independent part, and the transmission sleeve and the signal panel are independently designed, processed and assembled and are respectively connected through bolts. Has the following disadvantages: (1) the design is complex, the number of related parts is large, and the lean design concept is not attached; (2) the structure is not compact, and the occupied space is large; (3) the assembly manufacturability is poor, and the assembly efficiency is low; (4) the manufacturing cost is relatively high; (5) the reliability is poor.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art, and aims to provide a transmission sleeve which is integrally designed and has a compact structure.

In order to achieve the purpose, the invention provides a transmission sleeve which comprises a transmission shaft, wherein a signal disc is arranged at one end of the transmission shaft, transmission teeth for transmitting power are arranged on the end face of the other end of the transmission shaft in an axially protruding mode, positioning holes penetrating through two ends of the transmission shaft are formed in the transmission shaft, a connecting boss connected with the transmission shaft is arranged on the signal disc, and a positioning spigot which is arranged in a recessed mode along the axial direction of the transmission shaft is arranged in the center of the connecting boss.

Further, the driving teeth are of square structures, the number of the driving teeth is multiple, and the driving teeth are evenly distributed on the edge of the end face of the transmission shaft.

Furthermore, the number of the transmission teeth is four, and the four transmission teeth are distributed in a cross shape.

As a further improvement, the signal panel is provided with at least three bolt holes, and bolt pressure-bearing bosses are arranged at the bolt holes.

Furthermore, the connecting boss is in a petal shape, and a petal structure connected with the bolt pressure-bearing boss is arranged at the outer edge of the connecting boss.

As a further improvement, a hollow hole is formed in the signal panel between every two adjacent bolt holes, and the hollow hole is of a fan-shaped structure.

As a further improvement, the outer circumference of the signal disc is provided with signal teeth which are arranged in a protruding mode, and the signal teeth are of square structures.

Furthermore, the transmission shaft, the signal panel and the connecting boss form an integrally formed transmission sleeve structure.

Advantageous effects

Compared with the prior art, the transmission sleeve has the following beneficial effects: (1) the integrated design is adopted, and the transmission shaft signal panel is integrally formed, so that the number of parts of the internal combustion engine is reduced, and a lightweight design concept and a lean design concept are attached; (2) the structure is compact, and the occupied space is small; (3) the assembly manufacturability is good, and the assembly efficiency is improved; (4) the manufacturing cost is reduced; (5) after the integrated design is adopted, the bolt transitional connection between parts is reduced, and the reliability is good.

Drawings

FIG. 1 is a front view of the present invention drive sleeve construction;

FIG. 2 is a left side view of the construction of the drive sleeve of the present invention;

FIG. 3 is a right side view of the construction of the drive sleeve of the present invention;

FIG. 4 is a sectional view of the structure taken along line A-A in FIG. 3;

FIG. 5 is a front side perspective view of the drive sleeve of the present invention;

FIG. 6 is a rear perspective view of the drive sleeve of the present invention.

In the figure: 1. a drive shaft; 11. positioning holes; 12. a transmission gear; 2. a signal panel; 21. a bolt pressure-bearing boss; 22. bolt holes; 23. signal teeth; 24. hollowing out holes; 3. connecting the bosses; 31. and (6) positioning the spigot.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

The specific embodiments of the present invention are such that: as shown in fig. 1-6, a transmission sleeve comprises a transmission shaft 1, wherein one end of the transmission shaft 1 is provided with a signal panel 2, the signal panel 2 is used for acquiring an engine cam phase signal, the end surface of the other end of the transmission shaft 1 is provided with a transmission gear 12 which axially protrudes and transmits power, a positioning hole 11 which runs through the two ends of the transmission shaft 1 is arranged in the transmission shaft 1, the positioning hole 11 plays a positioning role, the transmission shaft 1 is ensured to be rapidly connected with an external structure, and the assembly efficiency is improved; in the transmission sleeve, an integrated design is adopted, and a transmission shaft signal panel is integrally formed, so that the number of parts of the internal combustion engine is reduced, and a lightweight design concept and a lean design concept are attached; the assembly manufacturability is good, the assembly efficiency is improved, the bolt transitional connection between parts is reduced after the integrated design is adopted, and the reliability is good; and the integrated structure has compact structure, small occupied space, high structural strength and stable torque transmission.

In this embodiment, driving tooth 12 is square structure, and the quantity of driving tooth 12 is a plurality of, and a plurality of driving tooth 12 evenly distributed are at the edge of 1 terminal surface of transmission shaft, through a plurality of driving tooth 12 transmission power, and the transmission is stable.

In this embodiment, the number of driving teeth 12 is four, and four driving teeth 12 are the cross distribution, encircle locating hole 11 and set up, make the atress of transmission shaft 1 even.

In this embodiment, the signal panel 2 is provided with at least three bolt holes 22, and the bolt bearing bosses 21 are arranged at the bolt holes 22, so that the bolts pass through the bolt holes 22 during assembly, and are tightly pressed on the bolt bearing bosses 21 after being tightened, thereby fixing the whole transmission sleeve.

In this embodiment, be equipped with the connection boss 3 that links to each other with transmission shaft 1 on the signal panel 2, the center department of connecting boss 3 is equipped with the sunken location tang 31 that sets up along the axial direction of transmission shaft 1, and location tang 31 is the round hole structure with locating hole 11 intercommunication, and location tang 31 plays the effect that the central point was fixed a position and is alignd, is convenient for be connected the output structure of transmission sleeve and gear room fast.

In the embodiment, the connecting boss 3 is in a petal shape, the outer edge of the connecting boss 3 is provided with a petal structure connected with the bolt pressure-bearing boss 21, and the petal structure is connected with the bolt pressure-bearing boss 21 to play a role in structure reinforcement; lie in on the signal disc 2 and be equipped with fretwork hole 24 between two adjacent bolt holes 22, fretwork hole 24 is fan-shaped structure, alleviates the weight of signal disc 2, and material saving sets up fretwork hole 24 and can also prevent stress concentration.

In this embodiment, the number of the bolt bearing bosses 21 and the number of the bolt holes 22 are three, and the number of the petal structures is three and is uniformly distributed.

In the embodiment, the signal disc 2 is provided with signal teeth 23 protruding outwards on the outer circumference, and the signal teeth 23 are in a square structure; the number of the signal teeth 23 is five or seven, wherein two signal teeth 23 are adjacently arranged to form identification signal teeth, and the identification signal teeth are uniformly distributed with the other three or five signal teeth; at the time of assembly, an identification signal tooth composed of two signal teeth 23 adjacently disposed is disposed corresponding to a salient point phase of the engine cam, so that the phase of the engine cam can be detected by detecting the position of the identification signal tooth.

In this embodiment, transmission shaft 1 constitutes integrated into one piece's transmission cover structure with signal disc 2 and connection boss 3, adopts integrated form design, has reduced the part quantity of internal-combustion engine, accords with lightweight design theory and lean design theory.

The above is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that several variations and modifications can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.