阅读说明：本技术 一种6mt变速器的换挡系统 (Gear shifting system of 6MT (variable Transmission) ) 是由 蓝宝立 朱永多 邓克旺 韦淇鹏 马洁高 纪贵土 黄财隆 梁甲 韦铈潍 于 2021-06-30 设计创作，主要内容包括：本发明涉及汽车零件技术领域,公开了一种6MT变速器的换挡系统,其包括选档摇臂、选档拉索和换挡支架,所述选档摇臂上设有选档定位槽,所述换挡支架上设有第一螺栓孔,第一螺栓孔内穿设有固定螺栓,换挡支架通过固定螺栓与变速器相连接,固定螺栓与换挡支架之间填充有隔振软垫,换挡支架上还设有第二螺栓孔,第二螺栓孔内穿设有垂直于固定螺栓的限位螺栓,换挡支架通过限位螺栓与变速器壳体相连接,限位螺栓与换挡支架之间填充有限位垫,隔振软垫呈圆柱体设置且隔振软垫的两端直径大于隔振软垫的中部直径,限位垫同样呈圆柱体设置且限位垫的两端直径大于限位垫的中部直径。与现有技术相比,该6MT变速器的换挡系统结构设计巧妙、使用效果好。(The invention relates to the technical field of automobile parts, and discloses a gear shifting system of a 6MT transmission, which comprises a gear selecting rocker arm, a gear selecting inhaul cable and a gear shifting bracket, wherein the gear selecting rocker arm is provided with a gear selecting positioning groove, be equipped with first bolt hole on the support of shifting, wear to be equipped with fixing bolt in the first bolt hole, the support of shifting is connected with the derailleur through fixing bolt, it has the vibration isolation cushion to fill between fixing bolt and the support of shifting, still be equipped with the second bolt hole on the support of shifting, wear to be equipped with perpendicular to fixing bolt's spacing bolt in the second bolt hole, the support of shifting is connected with gearbox housing through spacing bolt, it has spacing pad to fill between spacing bolt and the support of shifting, the vibration isolation cushion is the middle part diameter that the both ends diameter that cylinder setting and vibration isolation cushion are greater than the vibration isolation cushion, spacing pad is the cylinder setting equally and the both ends diameter of spacing pad is greater than spacing pad's middle part diameter. Compared with the prior art, the gear shifting system of the 6MT transmission is ingenious in structural design and good in using effect.)

1. The utility model provides a shift system of 6MT derailleur, its characterized in that, includes selection shelves rocking arm, selection shelves cable and the support of shifting, select the shelves rocking arm be equipped with first bolt hole on the support of shifting, wear to be equipped with fixing bolt in the first bolt hole, the support of shifting passes through fixing bolt is connected with the derailleur, fixing bolt with it has the vibration isolation cushion to shift to fill between the support, still be equipped with the second bolt hole on the support of shifting, wear to be equipped with stop bolt in the second bolt hole, the support of shifting passes through stop bolt is connected with the derailleur casing, stop bolt with it has spacing pad to shift to fill between the support.

2. The shifting system of a 6MT shift according to claim 1, wherein said vibration isolation cushion is arranged in a cylindrical shape and the diameter of both ends of said vibration isolation cushion is larger than the diameter of the middle of said vibration isolation cushion.

3. The shifting system of a 6MT transmission of claim 1, wherein the limiting pad is cylindrical and the diameter of each end of the limiting pad is larger than the diameter of the middle of the limiting pad.

4. The shifting system of a 6MT transmission according to claim 1, wherein the threaded shaft of the fixing bolt is arranged in a stepped manner.

5. The shifting system of a 6MT transmission according to claim 1, wherein the screw of the limit bolt is arranged in a stepped manner.

6. The shifting system of claim 1, wherein there are more than two first bolt holes, and the fixing bolt is inserted into each first bolt hole.

7. The shifting system of claim 1, wherein the shift bracket is made of a metallic material.

Technical Field

The invention relates to the technical field of automobile parts, in particular to a gear shifting system of a 6MT transmission.

Background

In the domestic passenger car and automobile market, the manual transmission still plays an important role because of low cost. The manual transmission gear-shifting control system comprises a transmission gear-shifting mechanism, a gear-shifting bracket, a gear-shifting cable and an in-vehicle gear-shifting mechanism. The gear shifting cable sleeve head is clamped on the gear shifting bracket and the vehicle interior gear shifting mechanism base, and the cable core head is connected to the transmission gear shifting mechanism rocker arm and the vehicle interior gear shifting mechanism rocker arm. Through controlling the gear shifting mechanism in the vehicle, the motion of the gear shifting inhaul cable core is transmitted to the gear shifting bracket of the transmission and the rocker arm, and the gear shifting operation is completed. 6MT derailleur body assembly keeps off because of constant head tank 1/2 keeps off and does not have stop device between R keeps off, and it is spacing to need shift mechanism to set up the back-off lock in the car, and in order accurate transmission shift mechanism stroke, the support of shifting gears and derailleur conventionality adopt the fixed mode of rigid connection, and derailleur vibration noise also can be transmitted to the car in through the cable of shifting gears. For solving derailleur vibration noise and transmitting the problem in the car through the cable of shifting, the support of shifting adopts cushion and derailleur be assembled between/be connected, cuts off vibration noise and transmits in the car, but because the restriction of cushion material, the support of shifting leads to the displacement of the support of shifting to take place the beat because of the cushion warp easily, and unable effective transmission cable stroke still can lead to selecting 1/2 position dislocation when keeping off, easily produces the card of shifting and hinders the problem.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a gear shifting system of a 6MT transmission, which has the advantages of ingenious structural design, difficult blockage during gear shifting, good use effect and the like.

Based on the technical scheme, the invention provides a gear shifting system of a 6MT (multiple-drive) transmission, which comprises a gear selecting rocker arm, a gear selecting inhaul cable and a gear shifting support, wherein a first bolt hole is formed in the gear shifting support of the gear selecting rocker arm, a fixing bolt penetrates through the first bolt hole, the gear shifting support is connected with the transmission through the fixing bolt, a vibration isolation cushion is filled between the fixing bolt and the gear shifting support, a second bolt hole is further formed in the gear shifting support, a limiting bolt perpendicular to the fixing bolt penetrates through the second bolt hole, the gear shifting support is connected with a transmission shell through the limiting bolt, and a limiting cushion is filled between the limiting bolt and the gear shifting support.

In some embodiments of the present application, the vibration isolation cushion is a cylindrical arrangement and the diameters of both ends of the vibration isolation cushion are greater than the diameter of the middle portion of the vibration isolation cushion.

In some embodiments of the present application, the spacing pad is the cylinder setting just the both ends diameter of spacing pad is greater than the middle part diameter of spacing pad.

In some embodiments of the present application, the screw of the fixing bolt is arranged in a stepped manner.

In some embodiments of the present application, the screw of the limit bolt is arranged in a stepped manner.

In some embodiments of the present application, there are more than two first bolt holes, and the fixing bolt passes through each of the first bolt holes.

In some embodiments of the present application, the shift bracket is made of a metal material.

The embodiment of the invention provides a gear shifting system of a 6MT transmission, which has the following beneficial effects compared with the prior art:

the embodiment of the invention provides a gear shifting system of a 6MT (five-terminal) transmission, which comprises a gear selecting rocker arm, a gear selecting inhaul cable and a gear shifting support, wherein a first bolt hole is formed in the gear shifting support of the gear selecting rocker arm, a fixing bolt penetrates through the first bolt hole, the gear shifting support is connected with the transmission through the fixing bolt, a vibration isolation cushion is filled between the fixing bolt and the gear shifting support, a second bolt hole is further formed in the gear shifting support, a limiting bolt penetrates through the second bolt hole, the gear shifting support is connected with a transmission shell through the limiting bolt, and a limiting cushion is filled between the limiting bolt and the gear shifting support. Based on above-mentioned structure, the effective connection of the support of shifting gears and derailleur has been ensured in setting up of fixing bolt, and the problem that derailleur vibration noise passes through the cable transmission can be improved in setting up of vibration isolation cushion, and skew and jamming do not take place when 1/2 keep off shifting gears to the support of shifting gears that sets up of derailleur casing and spacing bolt. This shift system of 6MT derailleur both increases the vibration isolation cushion and improves derailleur vibration noise and pass through the cable transmission problem, solves again behind the vibration isolation cushion 6MT derailleur 1/2 keep off the 1/2 that shifts that the selection kept off stroke position deviation leads to and keep off the card and hinder the problem, structural design is ingenious, excellent in use effect.

Drawings

Fig. 1 is a schematic structural view of a shift system of a 6MT transmission according to an embodiment of the present invention.

In the figure, 1, a gear selecting rocker arm; 11. a gear selecting positioning groove; 2. selecting a gear inhaul cable; 3. a shift bracket; 4. fixing the bolt; 41. a vibration isolation cushion; 5. a limit bolt; 51. a limiting pad.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

It should be understood that the terms "front", "rear", and the like are used herein to describe various information, but the information should not be limited to these terms, which are used only to distinguish one type of information from another. For example, "front" information may also be referred to as "rear" information, and "rear" information may also be referred to as "front" information without departing from the scope of the present invention.

As shown in fig. 1, an embodiment of the invention provides a gear shifting system of a 6MT transmission, which includes a gear selecting rocker arm 1, a gear selecting cable 2 and a gear shifting bracket 3, wherein a gear selecting positioning groove 11 is arranged on the gear selecting rocker arm 1, a first bolt hole is arranged on the gear shifting bracket 3, a fixing bolt 4 penetrates through the first bolt hole, the gear shifting bracket 3 is connected with the transmission through the fixing bolt 4, a vibration isolation cushion 41 is filled between the fixing bolt 4 and the gear shifting bracket 3, a second bolt hole is also arranged on the gear shifting bracket 3, a limiting bolt 5 penetrates through the second bolt hole, the gear shifting bracket 3 is connected with a transmission housing through the limiting bolt 5, and a limiting cushion 51 is filled between the limiting bolt 5 and the gear shifting bracket 3. Specifically, the vibration isolation cushion 41 is that the cylinder sets up and the both ends diameter of vibration isolation cushion 41 is greater than the middle part diameter of vibration isolation cushion 41, and similar with it, spacing pad 51 is the cylinder setting equally and the both ends diameter of spacing pad 51 is greater than spacing pad 51's middle part diameter, and fixing bolt 4's screw rod is cascaded setting, and spacing bolt 5's screw rod is cascaded setting equally.

Based on the structure, the gear shifting bracket 3 is connected with the transmission through the fixing bolt 4, the first bolt hole of the gear shifting bracket 3 is designed to be a large hole, the vibration isolation cushion 41 is additionally arranged in the hole, two ends of the vibration isolation cushion 41 are arranged to be large cylinders, the vibration isolation cushion is isolated between the gear shifting bracket 3 and the transmission shell, and the transmission of vibration noise of the transmission is reduced; spacing is the cylinder that the middle is big for both ends is little equally, and spacing pad 51 is not atress when not shifting gears, and spacing pad 51 hugs closely the atress with derailleur casing or spacing bolt 5 when shifting gear support 3 beat among the gear shift process, and the restriction is shifted gear support 3 and is swung, reduces shift support 3 at the stroke of cable axis direction, and when shifting gear 1/2, guarantees the accurate transmission of derailleur end through spacing pad 51 and selects a grade stroke, guarantees the reliable use of constant head tank.

It should be noted that, in order to guarantee the connection effect between shift bracket 3 and the derailleur, first bolt hole is equipped with more than two, all wears to be equipped with fixing bolt 4 in each first bolt hole.

Alternatively, in some embodiments of the present application, the vibration isolation cushion 41 and the position limiting cushion 51 are preferably made of rubber material, and the shift bracket 3 is preferably made of metal material.

In summary, the present invention provides a shifting system of a 6MT transmission, which includes a gear selection rocker arm, a gear selection cable and a gear shifting bracket, be equipped with the selection shelves constant head tank on the selection shelves rocking arm, be equipped with first bolt hole on the support of shifting, wear to be equipped with fixing bolt in the first bolt hole, the support of shifting is connected with the derailleur through fixing bolt, it has the vibration isolation cushion to fill between fixing bolt and the support of shifting, still be equipped with the second bolt hole on the support of shifting, wear to be equipped with perpendicular to fixing bolt's spacing bolt in the second bolt hole, the support of shifting is connected with the derailleur casing through spacing bolt, it has spacing pad to fill between spacing bolt and the support of shifting, the vibration isolation cushion is the cylinder setting and the both ends diameter of vibration isolation cushion is greater than the middle part diameter of vibration isolation cushion, spacing pad is the cylinder setting equally and the both ends diameter of spacing pad is greater than the middle part diameter of spacing pad. Compared with the prior art, the gear shifting system of the 6MT transmission is ingenious in structural design and good in using effect.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.