TWI658966B - Transmission assembly - Google Patents

Abstract

The transmission assembly of the present invention is mainly composed of a plurality of chain elements, each of which comprises an inner chain piece, an outer chain piece and a shaft pin, wherein each protruding part of the outer chain piece is formed with at least one a groove so that the end of the shaft pin protruding from the protrusion is squeezed, the shaft pin may partially extend to the position of the groove at the groove; that is, when the transmission assembly is used The axle pin is designed to be restricted by the groove, so as to avoid the rotation of the transmission component, and the friction loss between the axle pin and the inner and outer chain pieces is lost, thereby effectively reducing the looseness and transmission caused by the wear. The stretching phenomenon greatly enhances the strength and service life of the transmission assembly.

Description

Transmission component

The invention relates to a transmission component design, in particular to a transmission component which has good transmission property and effectively reduces wear and improves service life.

Referring to FIG. 1 and FIG. 2 , the conventional chain 1 is connected by a plurality of chain elements 11 , and each chain unit 11 includes two corresponding inner links 111 , and one is connected between the two inner links 111 . a sleeve 112, a set of rollers 113 disposed outside the sleeve 112, and a shaft pin 114 respectively extending on the inner chain piece 111 and the sleeve 112 and protruding outside the inner chain piece 111, And a chain piece 115 pivoted outside the inner chain piece 111 and received by the shaft pin 114; wherein the inner chain piece 111 has a through hole a at the joint of the sleeve 112; 115 is provided with an opening b for the shaft pin 114 to pass through.

However, after the actual use, it is found that although the outer chain piece 115 is provided with the end of the shaft pin 114 being riveted and positioned, the combination of the shaft pin 114 and the outer chain piece 115 is utilized. The outer peripheral edge of the 114 and the inner periphery of the opening b are designed to be produced in a stepwise manner so as to form a mutually tight bonding effect when riveting, so that after the components of the chain 1 are combined and used as a transmission power In use, the chain 1 is subjected to power transmission to generate tension and torque and is applied to each chain 11, and the tension and torque are completely concentrated on the opening b of the outer chain 115 and the shaft. The position of the pin 114 is in view of the tight combination of the shaft pin 114 and the opening b, so it is not enough to resist the pulling force and the torsion force, and the long-term use will be in the continuous transmission, causing the The opening b and the shaft pin 114 are formed by a tensile force and a torsion force to form a margin space, and at the same time, due to the formation of the margin space, the chain 1 wears when the longitudinal movement of the chain 1 occurs. If you make a lateral movement, you will continue to form a pull. And other conditions such as loosening, so will result in the transmission chain 1 of smoothness is affected, maybe even become kind and other forms circumstances, real room for improvement.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a transmission assembly which has improved bonding between members, thereby effectively reducing wear and over-stretching defects during transmission, and greatly improving the service life of the transmission assembly.

Thus, a transmission assembly of the present invention is constructed by connecting a plurality of chain elements, and each of the chain elements comprises two correspondingly disposed inner links, outer links and axle pins; wherein the inner links are And the outer chain piece has an opening opposite to the through hole, and a protrusion is protruded outwardly from each of the opening holes of the outer chain piece, and at least one of the outer chain pieces At least one groove is formed in each of the protrusions, and the groove is covered by the groove when the groove is disposed so that one end of the pin protruding from the protrusion is pressed Forming a clamping position with the protruding portion to prevent the transmission assembly from being affected by the power during the transmission process, thereby improving the service life of the transmission assembly, not only by increasing the bonding strength, but also effectively reducing The wear during longitudinal operation and the lack of stretch generated during lateral actuation greatly improve the versatility of the transmission.

The above and other technical contents, features, and advantages of the present invention will become apparent from the Detailed Description of the <RTIgt;

Referring to FIG. 3, in the first preferred embodiment of the present invention, the transmission component 3 is connected by a plurality of chain elements 31, and each chain element 31 includes two correspondingly disposed inner links 311, one set a chain 312 outside the outer side of the inner chain piece 311, and a shaft pin 313 penetrating the inner and outer chain pieces 311, 312; wherein the inner chain piece 311 is provided with a perforation A; An opening B1 for the shaft pin 313 is disposed opposite to the through hole A, and a protrusion B2 protrudes outwardly from each of the openings B1, and at least one of the outer chain pieces 312 At least one groove B3 is formed on each of the protrusions, so that the shaft pin 313 can partially extend to the groove B3 after the one end of the shaft pin 313 protruding from the protrusion B2 is pressed. In particular, in this embodiment, at least one of the protrusions B2 of the outer chain piece 312 is formed with at least one groove B3 so as to protrude from the axis pin 313 outside the protrusion B2. When one end is subjected to the riveting and extruding process, the groove B3 can be partially extended to extend to the periphery of the groove B3 by the groove B3. The material cassette is positioned on the upper side and forms a mutually interlocking state with the outer chain piece 312, and the other outer chain piece 312 is formed on the protrusion B2 having the groove B3. A protrusion B2 is not formed on the protrusion B2, so that the pin-shaped pin 313 is used for different purposes to wear the compression bonding arrangement, that is, as shown in FIG. 4; of course, the two outer chain pieces 312 can also be used. The protrusions B2 are provided with the groove B3 for different transmission or transmission requirements, that is, as shown in the second preferred embodiment of FIG. 5 and FIG. 6, and the groove B3 can also be Two corresponding patterns, or four types, are formed on the protruding portion B2 (as shown in the third and fourth preferred embodiments of FIGS. 7 and 8), and are used according to the requirements of different extrusion combinations. The following description is taken as an example in which the protrusions B2 on the two outer link pieces 312 are provided with the groove B3. The shaft pin 313 further has a connection between the two inner links 311 and is provided for a sleeve 314 through which the pin 313 is inserted, and a set of rollers 315 disposed outside the sleeve 314, and the joint of the sleeve 314 can be inserted therein A sheet 311 of perforations in the.

Referring to FIG. 5 and FIG. 6, during the use of the transmission, the transmission assembly 3 is actuated by the power transmission, so that each chain unit 31 receives the influence of the transmission, so that each chain unit 31 The tensile force and torsion in different directions during the violent pulling, or the force generated by the pulling force during the interlocking process, will make the inner and outer links 311, 315 and the shaft pin 313 of each chain unit the same. The tension and the torsion force are more concentrated by the pulling force and the torsion force, in particular, the protrusion B2 and the shaft pin 313 are formed by the interlocking force. In this case, the groove B3 is provided for the protrusion B2. When the shaft pin 313 is riveted, the pivot hook is coated on the upper portion, so that the combined gripping force between the shaft pin 313 and the protruding portion B2 is effectively increased, so that the longitudinal force of the transmission assembly 3 is greatly reduced. At this time, the wear between the shaft pin 313 and the protruding portion B2 is caused to avoid the occurrence of excessive clearance, and the lateral stretching may cause excessive stretching and the like between the shaft pin 313 and the protruding portion B2. And the transmission is affected, This would allow the drive assembly 3 can be effectively linked to the process to withstand the torque generated by the tension of all kinds, effectively improve the smoothness of transmission used, while more enhance the strength and lifetime use of the force of the drive assembly.

Referring to FIG. 9, in a fifth preferred embodiment of the present invention, the embodiment further includes the two inner chain pieces 311, and one of the outer chain pieces 312 disposed outside the inner chain pieces, one of which is placed inside and outside. a shaft pin 313 of the chain 311, 312, and a plurality of intermediate links 316 disposed between the inner chain pieces 311; wherein each of the intermediate chain pieces 316 defines a connecting hole C with respect to the through hole A of the inner chain piece In order to combine the transmission components 3 in the form of a leaf chain, it is of course also possible to provide different numbers on the protrusion B2 of the outer chain 312 as shown in FIGS. 10 to 11 in accordance with different use requirements. The groove B3 is disposed such that the shaft pin 313 is designed to be restricted by the groove B3 to prevent the transmission assembly 3 from rotating, thereby causing the shaft pin 313 and the inner and outer links 311, 312. The lack of friction loss between the two is also effective in reducing the looseness caused by abrasion and the stretching phenomenon during transmission, which greatly enhances the strength and service life of the transmission assembly.

In summary, the transmission assembly of the present invention has the groove formed by the protruding portion of the outer chain piece, so that when the shaft pin is squeezed and pressed, the outer chain piece can effectively form a mutual hook setting. In order to increase the pressing force of the pressing force, it is effective to resist the longitudinal transmission, which will cause wear between the shaft pin and the protruding portion, and the lack of excessive stretching when the lateral movement is performed, so as to avoid the transmission being affected. It not only can effectively improve the smoothness of use, but also prolong the service life, so it can achieve the purpose of the present invention.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the description of the invention. All should remain within the scope of the invention patent.

(known)

1‧‧‧Chain

11‧‧‧Chain unit

111‧‧‧Internal link

112‧‧‧ bushings

113‧‧‧Roller

114‧‧‧ axle pin

115‧‧‧Outer link

a‧‧‧Perforation

b‧‧‧Opening

 (this invention)

3‧‧‧ Transmission components

31‧‧‧Chain unit

311‧‧‧Internal link

312‧‧‧Outer link

313‧‧‧ axle pin

314‧‧‧ bushing

315‧‧‧Roller

316‧‧‧Intermediate chain

A‧‧‧Perforation

B1‧‧‧ opening

B2‧‧‧ protruding parts

B3‧‧‧ trench

C‧‧‧connection hole

Figure 1 is a schematic illustration of a conventional chain. Figure 2 is a schematic cross-sectional view of the prior art. Figure 3 is a schematic illustration of a first preferred embodiment of the present invention. Figure 4 is a schematic view showing the variation of the partial members of the first preferred embodiment. Figure 5 is a schematic illustration of a second preferred embodiment of the present invention. Figure 6 is a schematic cross-sectional view of the second preferred embodiment. Figure 7 is a schematic view of a third preferred embodiment of the present invention. Figure 8 is a schematic view of a fourth preferred embodiment of the present invention. Figure 9 is a schematic view of a fifth preferred embodiment of the present invention. 10 to 11 are schematic views showing changes of partial members of the fifth preferred embodiment.

Claims (5)

A transmission assembly is formed by connecting a plurality of chain elements, and each chain unit comprises two correspondingly disposed inner links, one of which is disposed outside the outer links, and is worn. a shaft pin disposed on the inner and outer chain pieces, wherein the inner chain pieces are provided with perforations, and the outer chain pieces are provided with openings at opposite sides of the perforations for the shaft pins to be disposed; Wherein: a protrusion is protruded outwardly from each of the openings of the outer chain piece, and at least one groove is formed on each of the protrusions of the outer chain piece so as to protrude beyond the protrusion After one end of the pin is squeezed, the pin can be partially extended to the position of the groove at the groove. The transmission assembly of claim 1, wherein the groove formed on each of the protrusions is disposed correspondingly. The transmission assembly of claim 1, wherein the grooves formed in each of the projections are arranged in four. The transmission assembly of claim 1, wherein the shaft further has a sleeve coupled between the two links and for the shaft pin to pass through, and a set of rollers disposed outside the sleeve wheel. The transmission assembly of claim 1, further comprising a plurality of intermediate links disposed between the two inner links, and each of the intermediate links defines a connecting hole with respect to the through hole.