TWI603012B - Drive the sliding sleeve structure - Google Patents

Description

Sliding sleeve structure of driving disc

The invention relates to a connection structure of a driving device, in particular to a sliding sleeve structure which has both a wear and a heat dissipation effect.

According to a conventional vehicle-less drive disc structure, there is provided a drive disc, a pressure plate and a drive shaft, wherein the drive disc is provided with at least one chamber, and the chamber is provided with a plurality of balls, and the press plate is At least one ramp block is disposed for the press plate to be sleeved on the inner side of the drive plate, the ramp blocks are corresponding to the chamber, and the drive plate and the pressure plate are connected by the drive shaft for driving The driving plate rotates with the pressing plate. When the driving plate rotates, the balls will slide to the chamber of the driving plate by centrifugal force, so that the driving plate is squeezed and slid outward between the sleeves of the driving shaft, thereby further The belt clamped at the driving plate is pushed and slid outward, and the other end of the belt is connected with the driven component. Since the length of the belt is fixed, and the rotation speed is changed, different speed reduction ratios are generated for the driven component, that is, The principle of operation without segment drive is not difficult to find out. There are still some shortcomings in the above-mentioned conventional structure. The main reason is as follows: Since the above-mentioned gear ratio is changed, its speed becomes faster, causing it to generate high temperature. ,pass The contact surface between the shaft or the sleeve is deformed by heat, and the drive disc structure cannot be normally and smoothly operated when sliding, which causes the belt to be damaged and broken due to abnormal temperature and unsmooth shifting operation during operation. This is the technical problem that the creative is trying to solve.

In view of this, the inventor has been engaged in the manufacturing development and design experience of related products for many years. After the detailed design and careful evaluation of the above objectives, the inventor has finally obtained a practical basis. invention.

The technical problem to be solved by the present invention is to provide a sliding sleeve structure for driving a disk in view of the above-mentioned shortcomings existing in the prior art.

The driving disc system enables the vehicle to generate the power transmission of the stepless speed change, and the sliding sleeve is sleeved on the shaft of the vehicle, and is connected to the driving disc by a sliding sleeve, the sliding sleeve is formed in a tubular shape with two ports, and the sliding sleeve is formed The sleeve is provided with at least one shaft connecting portion, and a through hole is defined in the center of the shaft joint portion, and the sliding sleeve is connected to the shaft of the vehicle by the through hole, and the sliding sleeve is disposed inside the shaft joint portion A through hole is formed, the through hole is in the same axial direction as the through hole, and the hole diameter of the hole is larger than the hole diameter of the through hole, and the shaft portion is provided with a plurality of heat dissipation holes, and the heat dissipation hole is coaxially connected with the through hole The perforation.

Wherein, the number of the shaft joints is one, and two through holes are symmetrically arranged between the shaft joint portion and the two side ports.

The number of the shaft joints is two, and the shaft joint portion is disposed at the two side ports, and a through hole is disposed between the two shaft joint portions.

Wherein, the number of the shaft joints is three, and the shaft joint portion is disposed at the two sides of the port and the center of the sliding sleeve, and two perforations are disposed between the three shaft joint portions.

Wherein, the cooling hole of the shaft connecting portion adjacent to the two ports extends to the outside of the sliding sleeve with a slot, and the heat dissipation hole communicates with the slot to improve the heat dissipation effect.

Wherein, the heat dissipation hole does not directly communicate with the through hole.

The heat dissipation hole directly communicates with the through hole to form a notch.

Wherein, the driving disk comprises a first disk body, a second disk body, and a plurality of rollers a wheel and a belt, the first disk body is coupled to the shaft of the vehicle, and the second disk body is sleeved at the sliding sleeve, and a plurality of arc grooves are formed in the second disk body to make the roller radially The first disk body and the second disk body are arranged to be displaced between the first disk body and the second disk body, so that the roller can be displaced by different centrifugal force through the rotation speed change, thereby adjusting the first disk body and the second disk body. Position the belt.

The main purpose of the present invention is to provide a shaft joint and a through hole in the same axial direction, and connect the shaft of the vehicle through the through hole of the shaft joint, and the hole diameter of the hole is larger than the hole diameter of the through hole, thereby utilizing The cooperation of the perforation and the through hole greatly reduces the contact area between the sliding sleeve and the shaft, thereby reducing the frictional heat generation between the sliding sleeve and the shaft, and then passing through the perforation through the cooling hole opened by the shaft joint, so that the perforation can be The port communicates with the outside of the sliding sleeve to form air circulation inside and outside the sliding sleeve, thereby improving the heat dissipation effect between the sliding sleeve and the shaft, and the utility model has the advantages of reducing wear and improving heat dissipation.

Other objects, advantages and novel features of the invention will be apparent from the description and appended claims.

[this creation]

10‧‧‧ drive disk

11‧‧‧First disk

12‧‧‧second disk

121‧‧‧ arc slot

13‧‧‧Roller

14‧‧‧Land

20‧‧‧Sleeve

21‧‧‧Port

22‧‧‧Axis joint

221‧‧‧through hole

222‧‧‧ vents

223‧‧‧ gap

224‧‧‧ slotting

23‧‧‧Perforation

30‧‧‧ shaft

Figure 1 is a perspective view of the present invention.

Figure 2 is a side elevational view of the invention.

Fig. 3 is a schematic view showing the state of use of the present invention (1).

Fig. 4 is a schematic view showing the state of use of the present invention (2).

Figure 5 is a schematic view of another embodiment of the present invention.

Figure 6 is a schematic view of still another embodiment of the present invention.

Figure 7 is a schematic view of still another embodiment of the present invention.

Figure 8 is a perspective view of an embodiment of the present invention.

Figure 9 is a cross-sectional view showing an embodiment of the present invention.

In order to enable your review committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following [Simplified Description of the Drawings] for details:

First, as shown in the first figure to the fourth figure, a sliding sleeve structure of the driving disc, the driving disc 10 is capable of causing the vehicle to generate power transmission without stepping, and the sliding sleeve 20 is set on the vehicle. The shaft 30 is connected to the driving plate 10 by a sliding sleeve 20, and the sliding sleeve 20 is formed in a tubular shape with two ports 21, and the sliding sleeve 20 is provided with at least one shaft connecting portion 22 between the two ports 21, and the shaft A through hole 221 is defined in the center of the connecting portion 22, and the sliding sleeve 20 is connected to the shaft 30 of the vehicle by the through hole 221, and the sliding sleeve 20 is formed with a through hole 23 in the interior of the unconnected shaft portion 22, the through hole 23 The through hole 221 is in the same axial direction, and the diameter of the through hole 23 is larger than the diameter of the through hole 221. In this embodiment, the number of the shaft portions 22 is two, and the shaft portion 22 is disposed on both sides of the port. 21, and a through hole 23 is disposed between the two shaft joints 22, and the plurality of heat dissipation holes 222 are defined in the shaft joint portion 22, and the heat dissipation holes 222 are coaxially communicated with the through holes 221, and the through holes 23 are The heat dissipation hole 222 does not directly communicate with the through hole 221, and the contact area of the sliding sleeve 20 and the shaft 30 of the vehicle is greatly reduced by the through hole 23, and The heat dissipation hole 222 forms an axial ventilation effect of the sliding sleeve 20, and allows a large amount of air to flow between the heat dissipation hole 222 and the through hole 23 to improve the heat dissipation effect of the driving disk 10.

For the actual use, please refer to the first figure to the fourth figure. The driving disk 10 includes a first disk body 11, a second disk body 12, a plurality of rollers 13, and a belt 14. The first disk body 11 is coupled to the shaft 30 of the vehicle, and the second disk body 12 is sleeved on the sliding sleeve 20, and a plurality of arc grooves 121 are formed in the second disk body 12 to cause the roller 13 to emit radiation. Shaped The belt 14 is disposed between the first disc body 11 and the second disc body 12, so that the roller 13 can be displaced by different centrifugal force through the rotation speed change, thereby adjusting the first disc body. 11 and the second disc 12 are placed at the position of the belt 14, and the belt 14 transmits power to the wheel, so that the use of the stepless shifting effect can be produced, since the rotation of the driving disc 10 will allow the sliding sleeve 20 and the shaft The friction and the high temperature are generated between the rods 30. The shaft portion 22 and the through hole 23 are formed in the same axial direction at the sliding sleeve 20, and the shaft 30 of the vehicle is coupled through the through hole 221 of the shaft connecting portion 22, and the through hole 23 is The aperture is larger than the aperture of the through hole 221, and the cooperation of the through hole 23 and the through hole 221 greatly reduces the contact area between the sliding sleeve 20 and the shaft 30, thereby reducing frictional heat generation between the sliding sleeve 20 and the shaft 30. The through hole 23 is communicated through the heat dissipation hole 222 formed by the shaft portion 22, so that the through hole 23 can communicate with the outside of the sliding sleeve 20 through the port 21, and the air inside and outside the sliding sleeve 20 is formed to flow, thereby improving the sliding sleeve 20 and the shaft. The heat dissipation effect between 30 is combined with the effect of reducing wear and improving heat dissipation.

According to another embodiment of the present invention, as shown in FIG. 5, the number of the shaft joints 22 is one, and the two shafts 23 are symmetrically disposed between the shaft joint portion 22 and the two side ports 21, thereby enabling The contact area between the sliding sleeve 20 and the shaft 30 of the vehicle is minimized. According to still another embodiment of the present invention, as shown in FIG. 6, the number of the connecting portions 22 is three, and the shaft connecting portion 22 is disposed. Two through holes 23 are disposed between the two side ports 21 and the center of the sliding sleeve 20 and between the three shaft connecting portions 22, and the air passage between the two through holes 23 is formed through the heat dissipation holes 222. With the heat dissipation effect and the structural strength, in another embodiment of the present invention, as shown in FIG. 7 , the heat dissipation hole 222 directly communicates with the through hole 221 to form a notch 223 , and the gap 223 can improve the heat dissipation efficiency. In addition, as shown in FIG. 8 and FIG. 9 , the shaft portion 22 has a slot 224 extending from the heat dissipation hole 222 adjacent to the two ports 21 to the outside of the sliding sleeve 20 , and the heat dissipation hole 222 is connected to the slot 224 to improve heat dissipation. effect The above embodiments are all equivalent applications of the creation, but do not limit the scope of their equivalent applications.

In summary, the present invention has indeed achieved a breakthrough structural design, and has improved invention content, and at the same time, can achieve industrial utilization and progress, and the present invention is not found in any publication, but also novel, when In accordance with the provisions of the relevant laws and regulations of the Patent Law, the application for invention patents is filed according to law, and the examination authority of the bureau is required to grant legal patent rights.

The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto; that is, the equivalent variations and modifications made by the scope of the present invention should still belong to the present invention. Within the scope of the patent.

20‧‧‧Sleeve

21‧‧‧Port

22‧‧‧Axis joint

221‧‧‧through hole

222‧‧‧ vents

23‧‧‧Perforation

Claims (6)

The utility model relates to a sliding sleeve structure of a driving disc, wherein the driving disc system enables the vehicle to generate the power transmission of the stepless shifting, and the sliding sleeve is sleeved on the shaft of the vehicle, and the driving disc is connected by the sliding sleeve, wherein: The sliding sleeve is formed in a tubular shape with two ports, and the sliding sleeve is provided with at least one shaft connecting portion between the two ports, and a through hole is defined in the center of the shaft connecting portion, and the sliding sleeve is connected to the shaft of the vehicle by the through hole a rod, and the sleeve is formed with a through hole in the interior of the shaft portion, the through hole is in axial communication with the through hole, and the hole diameter of the hole is larger than the hole diameter of the through hole, and the shaft portion is opened a plurality of heat dissipation holes, wherein the heat dissipation holes are coaxial with the through holes, and the number of the shaft joints is two, and the shaft joint portion is disposed at the two side ports, and between the two shaft joint portions Providing a perforation, the contact area of the sliding sleeve and the shaft of the vehicle is greatly reduced by the perforation, and the axial ventilation effect of the sliding sleeve is formed through the cooling hole, so that a large amount of air flows to the cooling hole and the Between the perforations, 俾 to improve the heat dissipation of the drive plate fruit. The utility model relates to a sliding sleeve structure of a driving disc, wherein the driving disc system enables the vehicle to generate the power transmission of the stepless shifting, and the sliding sleeve is sleeved on the shaft of the vehicle, and the driving disc is connected by the sliding sleeve, wherein: The sliding sleeve is formed in a tubular shape with two ports, and the sliding sleeve is provided with at least one shaft connecting portion between the two ports, and a through hole is defined in the center of the shaft connecting portion, and the sliding sleeve is connected to the shaft of the vehicle by the through hole a rod, and the sleeve is formed with a through hole in the interior of the shaft portion, the through hole is in axial communication with the through hole, and the hole diameter of the hole is larger than the hole diameter of the through hole, and the shaft portion is opened a plurality of heat dissipation holes, wherein the heat dissipation holes are coaxially communicated with the through holes, and the number of the shaft joints is three, and the shaft joint portion is disposed at the two side ports and at the center of the sliding sleeve, and Two through holes are disposed between the three shaft joints, the contact area of the sliding sleeve and the shaft of the vehicle is greatly reduced by the through holes, and the axial ventilation effect of the sliding sleeve is formed through the heat dissipation holes. A large amount of air flows between the heat dissipation hole and the through hole to improve the heat dissipation effect of the driving disk. The sliding sleeve structure of the driving disc according to the first or the second aspect of the invention, wherein the cooling hole of the shaft connecting portion adjacent to the two ports extends a slot into the outer surface of the sliding sleeve, and The vent hole communicates with the slot to improve the heat dissipation effect. The sliding sleeve structure of the driving disc according to claim 3, wherein the heat dissipation hole does not directly communicate with the through hole. The sliding sleeve structure of the driving disc according to claim 3, wherein the heat dissipation hole directly communicates with the through hole to form a notch. The sliding sleeve structure of the driving disc according to the third aspect of the invention, wherein the driving disc comprises a first disc body, a second disc body, a plurality of rollers and a belt, wherein the first disc body is coupled to the sliding disc structure a shaft of the vehicle, wherein the second disk body is sleeved at the sliding sleeve, and a plurality of arc grooves are formed in the second disk body, so that the roller radially acts on the arc groove, and the The belt is interposed between a disc body and the second disc body, so that the roller can be displaced by different centrifugal force through the change of the rotational speed, thereby adjusting the position of the belt between the first disc body and the second disc body. .