阅读说明：本技术 一种防止单项离合器挡环脱落的安全装置 (safety device for preventing single clutch baffle ring from falling off ) 是由 朱多茂 张西农 姚世海 于 2019-09-10 设计创作，主要内容包括：本发明公开了一种防止单项离合器挡环脱落的安全装置,包括安全卡(1)和新单项离合器(2)。本发明采用的安全卡为设有缺口的圆环形薄片状、呈C字形的弹簧钢质构件；新单项离合器为在单项离合器的外缘与左侧面之间设有一个避空台；对应于所述避空台在AT变速箱壳体内壁设置一个用于固定安全卡的卡槽；安全卡位于B2离合器与新单项离合器之间,安全卡的内圆滑动位于新单项离合器的避空台处,安全卡的外圆固定卡在所述卡槽内；变速换挡工作时,由于安全卡的隔离作用,B2活塞杆的顶推力作用由安全卡承载,而不会经新单项离合器传递到挡环,从而消除新单项离合器脱落的技术方案,使AT变速箱达到了消除挡环脱落风险隐患的目的。(The invention discloses a safety device for preventing a retaining ring of a one-way clutch from falling off, which comprises a safety card (1) and a new one-way clutch (2). The safety card adopted by the invention is a C-shaped spring steel component which is provided with a notch and is in a circular ring shape and a sheet shape; the new single clutch is characterized in that a clearance platform is arranged between the outer edge and the left side surface of the single clutch; a clamping groove for fixing a safety card is arranged on the inner wall of the AT transmission shell corresponding to the clearance table; the safety clamp is positioned between the B2 clutch and the new single clutch, the inner circle of the safety clamp slides and is positioned at the clearance platform of the new single clutch, and the outer circle of the safety clamp is fixedly clamped in the clamping groove; when the speed-changing gear-shifting work is carried out, due to the isolation effect of the safety clamp, the pushing force effect of the B2 piston rod is borne by the safety clamp and cannot be transmitted to the baffle ring through the new single clutch, so that the technical scheme that the new single clutch falls off is eliminated, and the purpose of eliminating the hidden danger of the falling risk of the baffle ring of the AT gearbox is achieved.)

1. The utility model provides a prevent that single clutch keeps off safety device that ring drops, includes safety card (1) and new single clutch (2), its characterized in that: the safety card (1) is a C-shaped spring steel component which is provided with a circular ring sheet shape and a notch;

the new single-item clutch (2) is characterized in that a circular step with a rectangular cross section is arranged between the outer edge and the left side surface of the single-item clutch (05) and is called as an air-avoiding platform (21);

an annular groove which is used for fixing the safety card (1) and has a rectangular cross section is arranged on the inner wall of the AT transmission shell (011) corresponding to the clearance table (21) and is called a clamping groove (3);

The safety card (1) is positioned between the B2 clutch (04) and the new single clutch (2), the inner circle of the safety card (1) slides to be positioned at the clearance table (21) of the new single clutch (2), the outer circle of the safety card (1) is fixedly clamped in the clamping groove (3), and the B2 clutch (04) and the new single clutch (2) are adjacent and are mutually isolated by the safety card (1).

Technical Field

The invention relates to an automobile AT automatic gearbox, in particular to a safety device for preventing a retaining ring of a single clutch from falling off, which is used in the automobile AT automatic gearbox and used for preventing the retaining ring of the single clutch from falling off.

Background

description of the drawings: the AT automatic gearbox of the automobile is called as AT gearbox for short; the single clutch is a component in the AT transmission, and referring to fig. 8 to 11, the single clutch is adjacent to the B2 clutch, and the single clutch is limited in the AT transmission by a baffle ring through a baffle ring groove arranged on a shell of the AT transmission; the baffle ring is also called a single-phase clutch baffle ring; when the gear shifting device works in a speed changing and gear shifting mode, the piston rod of the B2 pushes the B2 clutch rightwards, the B2 clutch works in a speed changing and gear shifting mode through the single clutch, and the pushing force of the piston rod of the B2 is transmitted to the gear ring through the B2 clutch and the single clutch; in practical application of the baffle ring in the prior art, the baffle ring deforms or even breaks away from the baffle ring groove due to the top thrust and the high temperature of 90-110 ℃ in the AT gearbox, and once the baffle ring breaks away from the baffle ring groove, a single clutch can break off, the gear shifting and speed changing functions are lost, and the AT gearbox is damaged; therefore, the prior art has the problem and the deficiency of the hidden danger of the falling off of the baffle ring.

disclosure of Invention

In order to solve the problems and the defects of the prior art, the invention adopts a device consisting of a safety card and a new single-phase clutch, wherein the safety card is a C-shaped spring steel component which is provided with a circular ring sheet shape and a notch; the new single clutch is characterized in that a circular step with a rectangular cross section is arranged between the outer edge and the left side surface of the single clutch and is called as an air-avoiding platform; an annular groove which is used for fixing a safety card and has a rectangular cross section is arranged on the inner wall of the AT transmission shell corresponding to the clearance table and is called a clamping groove; the safety card is positioned between the B2 clutch and the new single clutch, the inner circle of the safety card slides and is positioned at the clearance platform of the new single clutch, the outer circle of the safety card is fixedly clamped in the clamping groove, and the B2 clutch and the new single clutch are adjacent and are mutually isolated by the safety card.

When the gear shifting and shifting work is carried out, the piston rod of the B2 pushes the B2 clutch rightwards, the B2 clutch carries out the gear shifting and shifting work through a new single clutch, and due to the isolation effect of the safety clamp, the jacking force of the piston rod of the B2 acts on the B2 clutch and then is borne by the safety clamp, and cannot be transmitted to the baffle ring through the new single clutch, so that the baffle ring is prevented from deforming and separating from the baffle ring groove due to the dual effects of the jacking force and high temperature, the technical scheme of the interlocking fault hidden danger that the new single clutch falls off, loses the gear shifting and shifting function and the AT gearbox is damaged is eliminated, the safety device for preventing the baffle ring of the single clutch from falling off is provided, the AT gearbox is made, and the purpose of eliminating the hidden danger of the.

The purpose of the invention is realized as follows: a safety device for preventing a blocking ring of a single-item clutch from falling off comprises a safety card and a new single-item clutch, wherein: the safety card is a C-shaped spring steel component which is provided with a notch and is in a circular ring shape and a sheet shape;

the new single clutch is characterized in that a circular step with a rectangular cross section is arranged between the outer edge and the left side surface of the single clutch and is called as an air-avoiding platform;

An annular groove which is used for fixing a safety card and has a rectangular cross section is arranged on the inner wall of the AT transmission shell corresponding to the clearance table and is called a clamping groove;

the safety card is positioned between the B2 clutch and the new single clutch, the inner circle of the safety card slides and is positioned at the clearance platform of the new single clutch, the outer circle of the safety card is fixedly clamped in the clamping groove, and the B2 clutch and the new single clutch are adjacent and are mutually isolated by the safety card.

working principle and beneficial effects

During speed changing and gear shifting, the piston rod of the B2 pushes the B2 clutch rightwards, the B2 clutch carries out speed changing and gear shifting through the new single clutch, and due to the isolation effect of the safety clamp, the jacking force of the piston rod of the B2 acts on the B2 clutch and then is borne by the safety clamp, and cannot be transmitted to the baffle ring through the new single clutch, so that the baffle ring is prevented from deforming and separating from the baffle ring groove due to the dual effects of the jacking force and high temperature, and the interlocking fault hidden danger that the new single clutch falls off, loses the gear shifting function and is damaged in an AT gearbox is eliminated.

The device has simple structure and reliable work, and the potential risk that the retaining ring of the new single clutch falls off is eliminated by arranging the safety card between the B2 clutch and the new single clutch so as to ensure the AT transmission.

the invention adopts a device consisting of a safety card and a new single clutch, wherein the safety card is a C-shaped spring steel component which is provided with a circular ring sheet shape and a gap; the new single clutch is characterized in that a circular step with a rectangular cross section is arranged between the outer edge and the left side surface of the single clutch and is called as an air-avoiding platform; an annular groove which is used for fixing a safety card and has a rectangular cross section is arranged on the inner wall of the AT transmission shell corresponding to the clearance table and is called a clamping groove; the safety card is positioned between the B2 clutch and the new single clutch, the inner circle of the safety card slides and is positioned at the clearance platform of the new single clutch, the outer circle of the safety card is fixedly clamped in the clamping groove, and the B2 clutch and the new single clutch are adjacent and are mutually isolated by the safety card.

When the gear shifting and shifting work is carried out, the piston rod of the B2 pushes the B2 clutch rightwards, the B2 clutch carries out the gear shifting and shifting work through the new single clutch, and due to the isolation effect of the safety clamp, the jacking force of the piston rod of the B2 acts on the B2 clutch and then is borne by the safety clamp, and cannot be transmitted to the baffle ring through the new single clutch, so that the baffle ring is prevented from deforming and separating from the baffle ring groove due to the dual effects of the jacking force and high temperature, the technical scheme of the interlocking fault hidden danger that the new single clutch falls off, loses the gear shifting function and the AT gearbox is damaged is eliminated, the problem and the defect of the hidden danger that the baffle ring of the single clutch falls off in the prior art are overcome, and the safety device for preventing the baffle ring of the single clutch from falling off is provided, and the purpose of eliminating the hidden danger that the baffle.

drawings

Fig. 1 is a front perspective view of a safety card 1 of a safety device for preventing a single clutch retainer from falling off according to the present invention;

FIG. 2 is an axial view of a safety card 1 of the safety device of the present invention for preventing the single clutch collar from falling off;

FIG. 3 is a front perspective view of the new one-way clutch 2 of the safety device for preventing the retaining ring of the one-way clutch from falling off according to the present invention;

FIG. 4 is a side view of the new one-way clutch 2 of the safety device for preventing the retaining ring of the one-way clutch from falling off according to the present invention;

FIG. 5 is an axial schematic view of the new one-way clutch 2 of the safety device of the present invention for preventing the backing ring of the one-way clutch from falling off;

FIG. 6 is a schematic cross-sectional view of a safety device for preventing the disengagement of a single clutch retainer ring of the present invention in a position within an AT transmission 01;

FIG. 7 is an enlarged drawing of portion A of FIG. 6;

FIG. 8 is a front perspective schematic view of a prior art one-way clutch 05;

FIG. 9 is a side perspective schematic view of a prior art one-way clutch 05;

FIG. 10 is a schematic view of the internal structure of a prior art AT transmission 01;

fig. 11 is an enlarged drawing view of a portion B in fig. 10.

the invention will be described in more detail hereinafter with reference to an embodiment example in the drawings, but it should not be construed as being limited thereto.

In the figure: the safety clutch comprises a safety card 1, a new single clutch 2, an empty avoiding platform 21, a clamping groove 3, an AT gearbox 01, an AT gearbox shell 011, a retaining ring groove 0112, a retaining ring 02, a B2 piston rod 03, a B2 clutch 04 and a single clutch 05.

Detailed Description

Referring to fig. 1 to 7, the safety device for preventing the retaining ring of the one-way clutch from falling off according to the present invention includes a safety card 1 and a new one-way clutch 2, wherein: the safety card 1 is a C-shaped spring steel component which is provided with a circular ring sheet shape and a notch;

the new single-item clutch 2 is characterized in that a circular step with a rectangular cross section is arranged between the outer edge and the left side surface of the single-item clutch 05 and is called as an air-avoiding platform 21;

An annular groove which is used for fixing the safety card 1 and has a rectangular cross section is arranged on the inner wall of the AT gearbox shell 011 and corresponds to the clearance table 21 and is called a clamping groove 3;

The safety card 1 is positioned between the B2 clutch 04 and the new single clutch 2, the inner circle of the safety card 1 slides and is positioned at the clearance table 21 of the new single clutch 2, the outer circle of the safety card 1 is fixedly clamped in the clamping groove 3, and the B2 clutch 04 and the new single clutch 2 are adjacent and are isolated from each other by the safety card 1.

Working principle and beneficial effects

During the speed changing and gear shifting operation, the piston rod 03 of the B2 pushes the B2 clutch 04 rightwards, the B2 clutch 04 carries out the speed changing and gear shifting operation through the new single clutch 2, and due to the isolation effect of the safety clamp 1, the jacking force of the piston rod 03 of the B2 acts on the B2 clutch 04 and then is borne by the safety clamp 1, and cannot be transmitted to the baffle ring 02 through the new single clutch 2, so that the baffle ring 02 is prevented from deforming and disengaging from the baffle ring groove due to the dual effects of the jacking force and high temperature, and the interlocking fault hidden danger that the new single clutch 2 falls off, loses the gear changing function and the AT gearbox is damaged is eliminated.

the device has a simple structure and reliable work, and the potential risk that the baffle ring of the new single clutch 2 falls off is eliminated by arranging the safety card 1 between the B2 clutch 04 and the new single clutch 2 to ensure the AT gearbox.