CN213899836U - Gear selecting and shifting control mechanism and gear shifting execution structure - Google Patents

Abstract

The utility model discloses a select operating mechanism of shifting and execute structure of shifting. The gear shifting execution structure comprises a gear selecting and shifting shaft, wherein the gear selecting and shifting shaft is provided with a gear selecting and shifting groove, and the gear selecting and shifting groove is intersected with the gear selecting and shifting shaft in the axial direction; the pull rod further comprises a rotating shaft used for connecting the flexible pull rope and a shifting head fixedly connected along the radial direction of the rotating shaft; the rotating shaft is vertical to the gear selecting and shifting shaft, and the fixed shaft is hinged to one side of the gear selecting and shifting shaft; one end of the shifting block is embedded into the gear selecting and shifting groove. The gear selecting and shifting shaft and the original connecting structure can be used as a structural arrangement foundation of a single hard rod and a double hard rod of a gear selecting and shifting control mechanism in a vehicle, and the structural connection relation of the gear selecting and shifting shaft, the shifting block, the rotating shaft and the three can be used as a structural arrangement foundation of a flexible shaft. Therefore, the gear shifting execution structure not only retains the original hard rod operation function, but also provides a structural foundation for increasing the soft shaft operation function, and further provides more optional operations for the configuration function of a vehicle manufacturer or a user and the gear selection and gear shifting operation of a vehicle driver.

Description

Gear selecting and shifting control mechanism and gear shifting execution structure

Technical Field

The utility model relates to a vehicle field especially relates to a shift and execute structure. Still relate to a select shift operating mechanism, include above-mentioned shift execution structure.

Background

The gear selecting and shifting control mechanism refers to a gear shifting handle in a vehicle cab, a gear shifting actuating mechanism and an assembly of a series of mechanical connecting rods between the gear shifting handle and the gear shifting actuating mechanism. The gear shifting actuating mechanism is arranged outside the gearbox shell and used for achieving gear selection and gear engagement of the gearbox.

Aiming at the existing heavy truck manual gearbox, the operation types of the gear selecting and shifting control mechanism can be divided into hard shaft operation and soft shaft operation, wherein the hard shaft operation is divided into single hard rod operation and double hard rod operation. The flexible shaft operation means that the flexible rope body is utilized to realize the action control of the gear shifting operation mechanism, and the flexible shaft is unstable in use state under long-time operation, so that the conventional heavy truck is structurally arranged by a single hard rod and/or double hard rods. However, the single hard rod steering and the double hard rod steering have respective disadvantages, and the existing heavy truck cannot meet the structural arrangement of the flexible shaft based on the structural arrangement of the single hard rod and/or the double hard rod, so that the heavy truck can only singly select the hard shaft steering or the flexible shaft steering when being configured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shift execution structure can compromise single hard pole manipulation, two hard pole manipulations and flexible axle manipulation. Another object of the utility model is to provide a select operating mechanism that shifts, including the above-mentioned execution structure that shifts.

In order to achieve the above object, the utility model provides a gear shift execution structure, which comprises a gear selecting and shifting shaft, wherein the gear selecting and shifting shaft is provided with a gear selecting and shifting groove, and the gear selecting and shifting groove is intersected with the axial direction of the gear selecting and shifting shaft; the pull rod further comprises a rotating shaft used for connecting the flexible pull rope and a shifting head fixedly connected along the radial direction of the rotating shaft; the rotating shaft is vertical to the gear selecting and shifting shaft, and the fixed shaft is hinged to one side of the gear selecting and shifting shaft; one end of the shifting block is embedded into the gear selecting and shifting groove.

Preferably, the gear selecting and shifting block is sleeved on the periphery of the middle part of the gear selecting and shifting shaft; the inner hole of the gear selecting and shifting head is fixedly connected with the gear selecting and shifting shaft, and the gear selecting and shifting groove is formed in the periphery of the gear selecting and shifting head.

Preferably, the gear selecting and shifting groove is arranged on the gear selecting and shifting head in a penetrating manner; the length of the shifting head embedded in the gear selecting and shifting groove is not less than that of the gear selecting and shifting groove.

Preferably, the gear selecting and shifting groove is formed in the gear selecting and shifting head in a penetrating mode and is exposed to one radial side of the gear selecting and shifting head.

Preferably, one end of the shifting block is provided with a threaded mounting hole for fixing the rotating shaft; the other end of the shifting block is embedded into the gear selecting and shifting groove.

Preferably, the adjacent side of the shifting block and/or the adjacent side of the rotating shaft are/is provided with a limiting part for realizing the rotation limiting of the rotating shaft.

Preferably, a shell is arranged outside the gear selecting and shifting shaft; the inner wall of the shell is provided with a stop part for restraining the shifting block from moving outwards along the axial direction of the rotating shaft.

Preferably, a shell is arranged outside the gear selecting and shifting shaft; the rotating shaft comprises a flexible rope connecting end positioned outside the shell; the axial middle part of the flexible rope connecting end is provided with an annular groove for the flexible rope to surround and connect.

The utility model also provides a select operating mechanism that shifts, include as above the execution structure that shifts.

Preferably, a flexible pull rope is further included; the flexible pull rope is specifically a pull rope.

Compared with the prior art, the gear shifting executing structure provided by the utility model comprises a gear selecting and shifting shaft with a gear selecting and shifting groove in the middle, a rotating shaft arranged on one side of the gear selecting and shifting shaft and a shifting head fixed along the radial direction of the rotating shaft; wherein, the groove length direction of the gear selecting and shifting groove is crossed with the axial direction of the gear selecting and shifting shaft.

In the gear shifting execution structure, the rotating shaft is perpendicular to the gear selecting and shifting shaft, the fixed shaft is hinged to one side of the gear selecting and shifting shaft, and one end, far away from the rotating shaft, of the shifting head is embedded into the gear selecting and shifting groove. When the vehicle driver rotates the rotating shaft, the rotating shaft drives the shifting block to rotate around the rotating shaft, and by utilizing the matching of the shifting groove and the shaft hole of the shifting block and the sliding assembly relation of the shifting groove and the shaft hole, the linear displacement obtained by decomposing the arc displacement generated by the shifting block can be transmitted to the gear selecting and shifting shaft, and the axial movement of the gear selecting and shifting shaft along the self is finally realized. Based on the fixed shaft rotation of the rotating shaft, a vehicle driver can realize the rotation driving of the rotating shaft through flexible rope structures such as a guy cable and the like.

It is visible, the utility model provides a shift execution structure still remains current shift execution mechanism's function, on this basis, utilize to select to shift to dial groove, shifting block and pivot have increased a set of structural layout that can realize the flexible axle installation, can compromise multiple structures such as single hard pole, two hard poles and flexible axle simultaneously and the structural demand of operating principle, for vehicle manufacture factory or user's configuration effect and vehicle driver's selection shelves, the operation of shifting provides more optional operations.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of a prior art shift actuation configuration;

FIG. 2 is a cross-sectional view at A-A of FIG. 1;

fig. 3 is a schematic structural diagram of a gear shift execution structure according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view at B-B of FIG. 3;

fig. 5 is a cross-sectional view at C-C of fig. 3.

The automatic gear selecting and shifting device comprises a 1-gear selecting and shifting rocker arm, a 2-gear selecting and shifting shaft, a 3-gear selecting and shifting groove, a 4-rotating shaft, a 5-shifting head, a 6-shell, a 61-shell end cover and a 7-gear selecting and shifting head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a shift executing structure in the prior art; FIG. 2 is a cross-sectional view at A-A of FIG. 1; fig. 3 is a schematic structural diagram of a gear shift execution structure according to an embodiment of the present invention; FIG. 4 is a cross-sectional view at B-B of FIG. 3; fig. 5 is a cross-sectional view at C-C of fig. 3.

The utility model provides a gear shifting executing structure, which comprises a gear shifting shaft 2, a shifting block 5 and a rotating shaft 4; the rotating shaft 4 is fixedly hinged on one side of the gear selecting and shifting shaft 2 and is vertical to the gear selecting and shifting shaft 2; the shifting block 5 is fixed along the radial direction of the rotating shaft 4.

In the gear shifting execution structure, the gear selecting and shifting shaft 2 belongs to the existing parts in the prior art and is generally fixedly connected with the gear selecting and shifting rocker arm 1. When a vehicle driver holds and drives the gear selecting and shifting rocker arm 1 to swing, the gear selecting and shifting rocker arm 1 drives the gear selecting and shifting shaft 2 to move back and forth along the axial direction of the gear selecting and shifting shaft 2, and then parts related to a gear shifting execution structure are pushed to move through the gear selecting and shifting shaft 2, so that gear selecting and gear engaging are achieved.

The utility model provides a shift and execute structure is equipped with the selection and shifts and dials groove 3 on the surface of selecting selector shaft 2 or inside, and selects to shift and dials the groove length direction in groove 3 and selects selector shaft 2's axial crossing, include and be not limited to the two perpendicular. Therefore, the utility model provides an among the execution structure of shifting, select selector shaft 2 to loop through to select to shift and dial groove 3, shifting block 5 and be connected with pivot 4.

Because the rotating shaft 4 is fixedly hinged to one side of the gear selecting and shifting shaft 2 by taking the central shaft of the rotating shaft 4 as a rotating center, and the rotating shaft 4 is vertically distributed relative to the gear selecting and shifting shaft 2, when a driver of a vehicle rotates the rotating shaft 4, the shifting block 5 rotates around the rotating shaft 4, and the rotating plane of the shifting block 5 is parallel to the axial direction of the gear selecting and shifting shaft 2.

In the gear shifting execution structure, the other end of the dial 5, i.e. the end far away from the rotating shaft 4 (hereinafter referred to as the driving end), is embedded in the gear shifting dial groove 3 of the gear shifting shaft 2. Therefore, when the vehicle driver rotates the rotating shaft 4, the rotating shaft 4 can drive the shifting block 5 to swing, and then the linear displacement obtained by decomposing the arc displacement generated by the driving end of the shifting block 5 is transmitted to the gear selecting and shifting shaft 2 by utilizing the matching of the gear selecting and shifting groove 3 and the shaft hole of the shifting block 5 and the sliding assembly relation of the shifting block, and finally the axial movement of the gear selecting and shifting shaft 2 is realized. Wherein the direction of the linear displacement is parallel to the axial direction of the selector shaft 2.

Based on the structure and the connection relation, when the gear shifting executing structure is used for executing gear selecting and gear shifting operations, a vehicle driver can not only utilize the gear selecting and shifting rocker arm 1 which is intersected with the gear selecting and shifting shaft 2 and is fixedly connected with the gear selecting and shifting rocker arm to meet the original operation mode, but also utilize the rotating shaft 4 to realize a new operation mode, for example, the rotating shaft 4 is used as a basis, the structures such as a guy cable and a wire wheel are arranged at the position of the rotating shaft 4, the vehicle driver can conveniently drive the rotating shaft 4 to rotate in a fixed shaft mode by pulling flexible rope bodies such as the guy cable and the like, and then the shifting head 5 is combined to drive. In short, the gear selecting and shifting shaft 2, the gear selecting and shifting rocker arm 1 and the structural connection relationship between the gear selecting and shifting rocker arm and the gear selecting and shifting rocker arm can be used as the structural arrangement basis of a single hard rod and a double hard rod of a gear selecting and shifting control mechanism in a vehicle, and the structural connection relationship between the gear selecting and shifting shaft 2, the shifting block 5, the rotating shaft 4 and the three can be used as the structural arrangement basis of a flexible shaft of the gear selecting and shifting control mechanism in the vehicle.

To sum up, the utility model provides a gear shift actuating mechanism still remains current gear shift actuating mechanism's function, on this basis, utilizes to select to shift and dials groove 3, shifting block 5 and pivot 4 and has increased a set of structural configuration that can realize the flexible axle installation. Will the utility model provides a when shift execution structure is applied to the selection operating mechanism that shifts of vehicle, can compromise multiple structures such as single hard pole, two hard poles and flexible axle simultaneously and the structure demand of manipulation principle, provide more optional operations for vehicle navigating mate's selection shelves and the operation of shifting.

The following describes the shift executing structure provided by the present invention with reference to the accompanying drawings and embodiments.

On the basis of the embodiment, the utility model provides an among the execution structure of shifting, select the middle part periphery cover of selector shaft 2 to be equipped with and select shifting block 7. The partial structure and the connection relation of the gear selecting and shifting block 7 are the same as those of the gear selecting and shifting block 7 used in the prior art, for example, the gear selecting and shifting block 7 and the gear selecting and shifting block 7 used in the prior art are both internally provided with through holes, and the gear selecting and shifting shaft 2 penetrates into the through holes; both are fixedly connected with the gear selecting and shifting shaft 2, including but not limited to the shaft hole interference fit or transition fit realized through the through hole; both of which are connected with related parts in the gearbox to realize the control of the gearbox.

Compare the selection that uses among the prior art shifting block 7 and shift, the utility model discloses the difference of selecting shifting block 7 that adopts lies in, and its periphery is equipped with selects to shift dials groove 3. In other words, the selector gate 3 is arranged on the surface of the selector shaft 2 via the selector knob 7.

With select to shift and dial this structure of groove 3 and suit ground, the utility model discloses the size of selecting shift shifting head 7 that adopts can suitably increase, and local shape also can be adapted to the shape structure of selecting shift shifting groove 3 and change. Reference may be made to fig. 2 and 4. Fig. 2 is a schematic cross-sectional view of a shift actuating structure at a-a in the prior art, and fig. 4 is a schematic cross-sectional view of a shift actuating structure at B-B in the present invention. In fig. 4, the part of the gearshift knob 7 above the gearshift shaft 2 is increased in height compared to fig. 2 and is hemispherical with an upwardly convex middle. Obviously, this structure of the gear selecting and shifting knob 7 is beneficial to simplifying the structure and size setting of the gear selecting and shifting groove 3, and is also beneficial to improving the structural strength of the gear selecting and shifting knob 7 and the gear selecting and shifting knob.

Further, it is considered that the dial 5 inserted into the select shift dial groove 3 is not fixedly connected to the select shift dial groove 3, but slides along the groove length direction of the select shift dial groove 3. For example, when the dial 5 and the gear selecting and shifting shaft 2 are in the same plane and perpendicular to each other, the initial position of the dial 5 is defined, and at this time, the length of the dial 5 embedded in the gear selecting and shifting groove 3 is the largest; when the vehicle driver rotates the rotating shaft 4, the rotating shaft 4 drives the shifting head 5 to swing to one side, at the moment, the shifting head 5 drives the gear selecting and shifting shaft 2 and the gear selecting and shifting groove 3 arranged on the gear selecting and shifting shaft to move to one side of the axial direction of the gear selecting and shifting shaft 2 on the one hand, and slides along the groove length direction of the gear selecting and shifting groove 3 to withdraw a distance on the other hand, so that the length of the shifting head 5 embedded into the gear selecting and shifting groove 3 is reduced. Based on select shift group groove 3 and shifting block 5 aforementioned structural connection demand, the utility model provides an among the actuating mechanism that shifts, select to shift group groove 3 and link up and locate and select shift group 7, and with the initial position length of selecting shift group 5 in the groove 3 of shifting not less than the length of selecting shift group groove 3 to deviate from when avoiding pivot 4 to drive shifting block 5 beat and select shift group groove 3, perhaps avoid selecting to shift the length undersize of shifting block 5 in the groove 3 and lead to stress concentration because of the embedding, influence the life of shifting block 5.

Referring to fig. 4 and 5, the gear selecting and shifting groove 3 may be disposed through the gear selecting and shifting block 7 and exposed to one radial side of the gear selecting and shifting block 7. In other words, the gear selecting and shifting groove 3 is arranged along the outer wall of the gear selecting and shifting block 7 and is recessed into the gear selecting and shifting block 7 from the outer wall of the gear selecting and shifting block 7. The structure can meet the structural arrangement of the gear selecting and shifting groove 3 in the gear selecting and shifting head 7, the size of the gear selecting and shifting head 7 can be reduced as much as possible, and the assembly of the gear selecting and shifting groove and the gear shifting head 5 is facilitated.

As for the dial 5 and the shaft 4, they may be screw-coupled. Specifically, one end of the shifting block 5 is provided with a threaded mounting hole, and the end part or the axial middle part of the rotating shaft 4 is provided with an external thread for meshing with the threaded mounting hole. Obviously, when the dial 5 and the rotating shaft 4 are connected by the above structure, the total length of the dial 5 is the torsion arm when the dial 5 rotates around the rotating shaft 4.

On the basis of the above embodiment, the utility model provides a second kind of specific embodiment of the execution structure of shifting. In the second embodiment, the dial 5 and/or the rotating shaft 4 are further connected with a limiting portion, and the limiting portion is used for limiting the rotation angle of the rotating shaft 4, namely, the limiting portion is used for limiting the swing amplitude of the dial 5.

The limiting part can be arranged at the adjacent side of the shifting block 5 or at the adjacent side of the rotating shaft 4. For example, the limiting part is specifically provided as a fan-shaped groove structure, and the middle part of the shifting block 5 along the length direction of the shifting block is positioned in the fan-shaped groove structure. When the driver of the vehicle rotates the rotating shaft 4 clockwise or anticlockwise, the shifting block 5 swings between the two pairs of side inner walls of the fan-shaped groove-shaped structure.

In order to achieve better technical effects, the present invention further provides a third embodiment of the gear shifting executing structure, wherein in addition to the structure and connection thereof of the first embodiment, a housing 6 is disposed outside the gear selecting and shifting shaft 2, and a stop portion for restricting the shifting block 5 from moving outwards along the axial direction of the rotating shaft 4 is disposed on the inner wall of the housing 6.

In order to mount the rotating shaft 4 on the housing 6, the housing 6 in the prior art may be partially cut away to expose the dial 5, the gear selecting and shifting dial 7 and the part of the gear selecting and shifting shaft to which the gear selecting and shifting dial 7 is connected, and then a housing cover 61 is provided at the opening of the housing 6 to close the housing 6.

In the third embodiment, it can be seen that, in order to prevent the dial 5 from coming out of the gearshift groove 3 in the radial direction of the rotating shaft 4 when the dial 5 drives the gearshift shaft 2 to move axially, the dial 5 is prevented from moving axially of the rotating shaft 4 toward the housing 6 by the stop portion, in addition to utilizing the fixed connection relationship between the dial and the rotating shaft 4.

As for the specific structure of the stopper portion, fig. 5 can be referred to. In fig. 5, the housing 6 is provided with inwardly and outwardly projecting flanges at the rotary shaft 4. The flange at the inner side is pressed against the surface of the shifting block 5 to prevent the shifting block 5 from moving to the right side shown in fig. 5; the flange located at the outer side is sleeved on the rotating shaft 4 through an end cover and restrains the rotating shaft 4 in the shell 6.

In addition, the rotating shaft 4 positioned outside the shell 6 can be provided with a flexible rope connecting end, the axial middle part of the flexible rope connecting end is provided with an annular groove for the flexible pull rope to surround and connect, and the flexible pull rope is convenient to surround and position.

On the basis of any one of the above embodiments, the utility model also provides a select operating mechanism that shifts, including the above-mentioned executive structure that shifts.

The gear selecting and shifting control mechanism takes the gear shifting execution structure as a structure contact for setting any one or more of a single hard rod, a double hard rod and a flexible shaft, so that a vehicle manufacturer or a user can flexibly adjust the control mode of a vehicle according to the self requirement, the optimal structure arrangement of the gear selecting and shifting control mechanism is realized according to the self requirement, and the requirements of different control arrangement schemes of the vehicle such as a heavy truck are met.

In addition, the gear selecting and shifting control mechanism further comprises a flexible pull rope, and the flexible pull rope can be particularly set to be a pull rope.

It is right above the utility model provides a select operating mechanism and the executive structure that shifts to shift introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. A gear shifting execution structure comprises a gear selecting and shifting shaft (2), and is characterized in that the gear selecting and shifting shaft (2) is provided with a gear selecting and shifting groove (3), and the gear selecting and shifting groove (3) is intersected with the axial direction of the gear selecting and shifting shaft (2); the pull rope pulling device also comprises a rotating shaft (4) used for connecting the flexible pull rope and a shifting block (5) fixedly connected along the radial direction of the rotating shaft (4); the rotating shaft (4) is vertical to the gear selecting and shifting shaft (2) and is hinged to one side of the gear selecting and shifting shaft (2) in a fixed shaft mode; one end of the shifting head (5) is embedded into the gear selecting and shifting groove (3).

2. The gear shift execution structure according to claim 1, characterized in that a gear shift dial (7) is sleeved on the middle periphery of the gear shift shaft (2); the inner hole of the gear selecting and shifting head (7) is fixedly connected with the gear selecting and shifting shaft (2), and the gear selecting and shifting groove (3) is formed in the periphery of the gear selecting and shifting head (7).

3. The gear shifting execution structure according to claim 2, characterized in that the gear shifting groove (3) is arranged through the gear shifting head (7); the length of the shifting head (5) embedded in the gear selecting and shifting groove (3) is not less than that of the gear selecting and shifting groove (3).

4. The shift actuating structure according to claim 2, wherein the shift selecting/shifting groove (3) is formed through the shift selecting/shifting element (7) and is open to one side of the shift selecting/shifting element (7) in a radial direction.

5. The gear shifting execution structure according to claim 1, characterized in that one end of the shifting block (5) is provided with a threaded mounting hole for fixing the rotating shaft (4); the other end of the shifting head (5) is embedded into the gear selecting and shifting groove (3).

6. The gear shift execution structure according to claim 1, characterized in that the adjacent side of the shifting block (5) and/or the adjacent side of the rotating shaft (4) is provided with a limiting part for limiting the rotation of the rotating shaft (4).

7. The shift execution structure according to claim 1, characterized in that a housing (6) is provided outside the shift select shaft (2); the inner wall of the shell (6) is provided with a stop part for restricting the shifting block (5) to move outwards along the axial direction of the rotating shaft (4).

8. The shift execution structure according to claim 1, characterized in that a housing (6) is provided outside the shift select shaft (2); the rotating shaft (4) comprises a flexible rope connecting end positioned outside the shell (6); the axial middle part of the flexible rope connecting end is provided with an annular groove for the flexible rope to surround and connect.

9. A gear change operating mechanism characterized by comprising the gear change execution structure according to any one of claims 1 to 8.

10. The gear selection and shift operating mechanism of claim 9 further comprising a flexible pull cord; the flexible pull rope is specifically a pull rope.

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