CN216951370U - Clutch separation structure of AMT with separation shifting fork bush - Google Patents

Abstract

The utility model discloses a clutch release structure of an AMT (automated mechanical transmission) with a release fork bush, which is characterized in that a knurling structural design is adopted for the release fork bush, the release fork bush with a clamping jaw can be smoothly pressed in a release fork, a 3mm clutch push rod idle stroke is reserved in the release fork bush, a certain moving space can be reserved in the clutch push rod in the release fork bush, and the problems of falling off and difficult assembly of the clutch push rod are solved.

Description

Clutch separation structure of AMT with separation shifting fork bush

Technical Field

The utility model belongs to the field of mechanical automatic transmissions, and particularly relates to a clutch separating structure of an AMT (automated mechanical transmission) with a separating shifting fork bushing.

Background

Original heavy truck modularization AMT product clutch actuating mechanism assembles at the host computer factory as along with the case annex, however behind the light truck modularization AMT product in the development, the host computer factory disagrees with it as along with the case annex, requires to assemble the complete machine and send the host computer factory to assemble after clutch actuating mechanism has been assembled. Because the release bearing can slide on a shaft bearing cover, the release shifting fork can move along with the release bearing, and the push rod can be easily separated from the ball socket of the release bush in the processes of installing the transmission on the whole vehicle and transporting after-sale maintenance.

This project provides a novel clutch release shift fork bush structure, will separate the shift fork bush and increase the jack catch to reserve the empty stroke of push rod in it, both can guarantee that the push rod has certain activity in the bush, can also reduce the risk that drops of push rod when transportation, power assembly and after sales maintenance, can also guarantee that the push rod assembly is smooth.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a clutch separating structure of an AMT (automated mechanical transmission) with a separating fork lining.

In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:

a clutch separation structure of an AMT with a separation shifting fork bush comprises a clutch actuating mechanism, a clutch push rod, a separation shifting fork bush, a separation shifting fork and a separation bearing;

the release fork is fixed on the release bearing, the release fork bush is pressed on the release fork, and the clutch push rod is jacked in the semicircular ball socket release fork bush through the clutch actuating mechanism;

the outer edge of the separation shifting fork bushing is of a knurled structure.

Further, the clutch actuating mechanism is fixed on the clutch shell through bolts.

Furthermore, the clutch push rod is embedded in the clutch executing mechanism through a clamp spring.

Furthermore, the release bearing is sleeved on a shaft bearing cover in an empty mode.

Further, the shaft bearing cover is fixed on the clutch housing through a bolt.

Furthermore, the clutch further comprises a shaft, and the shaft is fixed on the clutch shell through a bearing, a clamp spring, a spacer and the like.

Furthermore, the release fork is fixed on the release bearing through an elastic cylindrical pin.

Further, the release fork bush is made of glass fiber reinforced nylon 66 material.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a clutch release structure of an AMT (automated mechanical transmission) with a release shifting fork bush, wherein a knurling structure is adopted at the outer edge of the release shifting fork bush, so that the release shifting fork bush can be ensured to be smoothly pressed in a release shifting fork; because the release fork bush is provided with the claw, when the clutch push rod is sleeved on the release fork bush, the release fork bush can have a certain expansion amount, so that the clutch push rod can be ensured to be smoothly assembled in and then fall off after being assembled in; the 3mm idle stroke of the clutch push rod is reserved in the separation shifting fork bushing, and a certain moving space of the clutch push rod in the separation shifting fork bushing can be guaranteed, so that the risk that the clutch push rod shakes to fall off due to shaking of the whole vehicle is reduced.

Furthermore, the material of the release fork bush is glass fiber reinforced nylon 66, the material has strong wear resistance, and the clutch actuating mechanism is required to frequently perform release action, so that the reliability of the release fork bush is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a view of the structure of an original semicircular ball socket separation shift fork bushing;

FIG. 2 is a view of the release fork bushing mechanism with jaws of the present invention;

wherein: 1-a clutch actuator; 2-clutch push rod; 3-disengaging the shift fork bushing; 4-a clutch housing; 5-separating the shifting fork; 6-a shaft bearing cap; 7-one axis; 8-release bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The utility model is described in further detail below with reference to the accompanying drawings:

fig. 1 shows an original semicircular ball socket release fork structure, a clutch actuating mechanism 1 is fixed on a clutch housing 4 through a bolt, a clutch push rod 2 is embedded in the clutch actuating mechanism 1 through a snap spring, a release bearing 8 is sleeved on a shaft bearing cover 6 in a hollow mode, the shaft bearing cover 6 is fixed on the clutch housing 4 through a bolt, a shaft 7 is fixed on the clutch housing 4 through a bearing, a snap spring, a spacer and the like, a release fork 5 is fixed on the release bearing 8 through an elastic cylindrical pin, a release fork bush 3 is pressed on the release fork 5, and the clutch push rod 2 is ejected into the semicircular ball socket release fork bush 3 through the clutch actuating mechanism 1.

Fig. 2 shows a release fork bush structure with a jaw, which can ensure that the release fork bush is smoothly pressed in the release fork by adopting a knurling structural design on the outer edge of the release fork bush; the material of the release fork bush is glass fiber reinforced nylon 66, the material has stronger wear resistance, and the clutch actuating mechanism needs to frequently perform release action, so that the reliability of the release fork bush can be improved; because the release fork bush is provided with the clamping jaw, when the clutch push rod is sleeved on the release fork bush, the release fork bush can have a certain expansion amount, so that the clutch push rod can be ensured to be smoothly assembled in, and can fall off after being assembled in; the 3mm idle stroke of the clutch push rod is reserved in the separation shifting fork bushing, and a certain moving space of the clutch push rod in the separation shifting fork bushing can be guaranteed, so that the risk that the clutch push rod shakes to fall off due to shaking of the whole vehicle is reduced.

When the power of the transmission needs to be disconnected with the power of an engine, the clutch actuating mechanism 1 is inflated, so that the clutch push rod 2 is pushed to move forwards, the release shifting fork 5 and the release bearing 8 are driven to move forwards, the clutch is enabled to act, and the power is interrupted.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A clutch separation structure of an AMT (automated mechanical Transmission) with a separation shifting fork bush is characterized by comprising a clutch actuating mechanism (1), a clutch push rod (2), a separation shifting fork bush (3), a separation shifting fork (5) and a separation bearing (8);

the release shifting fork (5) is fixed on a release bearing (8), the release shifting fork bush (3) is pressed on the release shifting fork (5), and the clutch push rod (2) is propped in the semi-circular ball socket release shifting fork bush (3) through the clutch actuating mechanism (1);

the outer edge of the separation shifting fork bushing (3) adopts a knurled structure.

2. The AMT clutch release structure with release fork bushing according to claim 1, wherein the clutch actuator (1) is fixed to the clutch housing (4) by bolts.

3. The AMT clutch release structure with a release fork bush according to claim 1, characterized in that the clutch push rod (2) is embedded in the clutch actuator (1) through a snap spring.

4. The AMT clutch release structure with release fork bushing according to claim 1, wherein said release bearing (8) is idly sleeved on a shaft bearing cap (6).

5. The AMT clutch release structure with release fork bushing according to claim 4, wherein said shaft bearing cap (6) is fixed to the clutch housing (4) by means of bolts.

6. The AMT clutch release structure with a release fork bush according to claim 1, further comprising a shaft (7), wherein the shaft (7) is fixed on the clutch housing (4) through a bearing, a clamp spring and a spacer.

7. The clutch release mechanism with release fork bushing of AMT according to claim 1, wherein the release fork (5) is fixed on the release bearing (8) by a resilient cylindrical pin.

8. The clutch release structure of an AMT with a release fork bushing according to claim 1, wherein the release fork bushing is made of glass fiber reinforced nylon 66 material.

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