CN215410121U

CN215410121U - Fork-connected type driving lever operating mechanism

Info

Publication number: CN215410121U
Application number: CN202121462185.XU
Authority: CN
Inventors: 张莉
Original assignee: Luoyang Fangtai Flexible Shaft Controller Technology Co ltd
Current assignee: Luoyang Fangtai Flexible Shaft Controller Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-04
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a fork-connected type driving lever operating mechanism in the technical field of engineering machinery, which comprises a locking type handle rod, a connecting shaft, a shifting fork, a first connecting rod, a pin shaft, a cylindrical U-shaped fork, a pull rod, a shell and a slotted guide sleeve, wherein one end of the locking type handle rod is fixed at one end of the connecting shaft, the other end of the connecting shaft extends into the shell and is rotatably connected with the shell, and is fixedly connected with one end of the shifting fork, the shifting fork is matched with a spherical head, and the spherical head is rotatably connected with one end of the first connecting rod. The shifting fork is simple and reliable in structure, easy and convenient to operate and more suitable for human engineering mechanics as a whole, and the handle rod is horizontally pushed and pulled backwards, so that the pull rod is driven to move up and down through internal conversion, and the gear shifting action of a vehicle is completed.

Description

Fork-connected type driving lever operating mechanism

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a fork-connected type deflector rod operating mechanism.

Background

The existing gear shifting control mechanism completes gear shifting operation of engineering vehicles, engineering machinery and other vehicles and mechanical equipment on gear shifting control by utilizing the cooperation between gears, and the device is not only complicated in structure, but also can cause gear shifting to be interrupted or even failed due to abrasion among the gears after long-time use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a fork-type shift lever operating mechanism to solve the above-mentioned problems.

The utility model realizes the purpose through the following technical scheme:

a fork-linked deflector rod operating mechanism comprises a locking handle rod, a connecting shaft, a deflector fork, a spherical head, a first connecting rod, a fixed pin shaft, a second connecting rod, a pin shaft, a cylindrical U-shaped fork, a pull rod, a shell and a slotted guide sleeve, wherein one end of the locking handle rod is provided with a necking waist-shaped groove, the necking waist-shaped groove is clamped at one end of the connecting shaft and fixed by a bolt, the other end of the connecting shaft extends into the shell and is rotationally connected with the shell, and is fixedly connected with one end of a shifting fork, the shifting fork is matched with a spherical head, the spherical head is rotationally connected with one end of a first connecting rod, the first connecting rod is vertical to the shifting fork, the other end of the first connecting rod is integrally formed with a second connecting rod vertical to the first connecting rod, the second connecting rod is correspondingly vertical to the shifting fork, a fixed pin shaft is rotatably connected at the joint of the first connecting rod and the second connecting rod, the fixed pin shaft is fixed on the inner wall of the shell, and one end of the second connecting rod, which is far away from the fixed pin shaft, is provided with a long slot hole parallel to the second connecting rod; the slotted end of the slotted guide sleeve extends into the shell from the bottom of the shell, and the slotted guide sleeve is fixedly connected with the shell; the upper end of the pull rod is fixed at the bottom of the cylindrical U-shaped fork, a pin shaft matched with the long slotted hole is arranged in the inner cavity of the cylindrical U-shaped fork, and the cylindrical U-shaped fork and the fixed part of the pull rod are movably matched in the slotted guide sleeve up and down.

Preferably, the connecting shaft is further sleeved with a spacer bush positioned between the shifting fork and the inner wall of the shell.

Preferably, flat squares are arranged at two ends of the connecting shaft, wherein threads are further arranged on the flat squares connected with the shifting fork, and the shifting fork is fixed through a bolt.

Preferably, the fixed pin shaft is further sleeved with a support sleeve positioned between the second connecting rod and the inner wall of the shell.

Preferably, the hinge pin further comprises a rotating sleeve, and the rotating sleeve is sleeved on the shaft body of the hinge pin and matched with the long slotted hole.

Preferably, the rotary connection is through a bearing.

Has the advantages that:

1. due to the arrangement of the shifting fork, the spherical head, the first connecting rod, the fixed pin shaft and the second connecting rod and the rotary connection of the spherical head and the first connecting rod, the technical problems that in the prior art, gears are engaged with each other, and the gears are abraded after a long time, so that gear shifting is interrupted and even gear shifting fails are solved;

2. the structure of the shifting fork is simple and reliable, and the operation is easy and convenient;

3. the mechanism more accords with human engineering mechanics on the whole, and the horizontal pushing and the rear pull handle rod drive the pull rod to move up and down through internal conversion to complete the gear shifting action of the vehicle.

Additional features of the utility model and advantages thereof will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention with the front panel of the housing removed;

FIG. 2 is a top view of the present invention with the upper housing plate removed;

FIG. 3 is a cross-sectional view A-A of the present invention of FIG. 1;

fig. 4 is a cross-sectional view B-B of the utility model of fig. 1.

The reference numerals are explained below:

1. a locking handle lever; 2. a connecting shaft; 3. a spacer sleeve; 4. a shifting fork; 5. a spherical head; 6. a first link; 7. fixing a pin shaft; 8. a second link; 9. rotating the sleeve; 10. a pin shaft; 11. a cylindrical U-shaped fork; 12. a pull rod; 13. a housing; 14. a support sleeve; 15. and (4) grooving guide sleeves.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In a first embodiment, as shown in fig. 1-4, a fork-linked lever actuating mechanism includes a locking handle bar 1, a connecting shaft 2, a shifting fork 4, a ball head 5, a first connecting bar 6, a fixing pin 7, a second connecting bar 8, a pin 10, a cylindrical U-shaped fork 11, a pull bar 12, and a housing 13, wherein one end of the locking handle bar 1 is provided with a waist-shaped slot, the waist-shaped slot is clamped at one end of the connecting shaft 2 and is fixed by a bolt, the other end of the connecting shaft 2 extends into the housing 13 and is rotatably connected with one end of the shifting fork 4, the shifting fork 4 is matched with the ball head 5, the ball head 5 is rotatably connected with one end of the first connecting bar 6, the first connecting bar 6 is perpendicular to the shifting fork 4, the other end of the first connecting bar 6 is integrally formed with the second connecting bar 8 perpendicular thereto, the second connecting bar 8 is correspondingly perpendicular to the shifting fork 4, the joint of the first connecting bar 6 and the second connecting bar 8 is rotatably connected with the fixing pin 7, the fixed pin 7 is fixed on the inner wall of the shell 13, and one end of the second connecting rod 8, which is far away from the fixed pin 7, is provided with a slotted hole parallel to the fixed pin; the slotted end of the slotted guide sleeve 15 extends into the shell 13 from the bottom of the shell 13, and the slotted guide sleeve 15 is fixedly connected with the shell 13; the upper end of a pull rod 12 is fixed at the bottom of a cylindrical U-shaped fork 11, a pin shaft 10 matched with a long slotted hole is arranged in the inner cavity of the cylindrical U-shaped fork 11, the fixed part of the cylindrical U-shaped fork 11 and the pull rod 12 is movably matched in the slotted guide sleeve 15 up and down, so that the cylindrical U-shaped fork 11 can linearly move up and down along the center of the slotted guide sleeve 15, when the locking handle rod 1 swings forwards and backwards around a connecting shaft 2, the locking handle rod 1 drives a shifting fork 4 to swing around the connecting shaft 2 to N, M direction through the connecting shaft 2, when the shifting fork 4 swings around the connecting shaft 2 to N, M direction, the shifting fork 4 can stir a spherical head 5 on a first connecting rod 6 to swing around a fixed pin shaft 7 to Y, X direction, further drives a second connecting rod 8 to swing around the fixed pin shaft 7 to Y, X direction, when the second connecting rod 8 swings around the fixed pin shaft 7 to Y, X direction, can drive cylinder formula U type fork 11 downwards in fluting guide pin bushing 15 through round pin axle 10, upward direction motion, cylinder formula U type fork 11 drives pull rod 12 and accomplishes the gear shift action of work end, the cooperation between the gear among the prior art has been solved, can wear and tear appear between the long-time back gear, consequently, lead to shifting the technical problem of gear failure appearing suddenly and suddenly, still make shift fork 4's simple structure, reliable, easy operation, it is convenient, this mechanism accords with human engineering mechanics more on the whole, horizontal thrust and back pull handle pole, through inside conversion, drive pull rod 12 up-and-down motion, accomplish the gear shift action of vehicle.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 1, the connecting shaft 2 is further sleeved with a spacer 3 located between the shifting fork 4 and the inner wall of the housing 13, so that the function of positioning the shifting fork 4 is realized.

Third embodiment, on the basis of first embodiment, as shown in the figure, fig. 2, the oblate side is all established at 2 both ends of connecting axle, wherein still seted up threadedly on the oblate side of being connected with shift fork 4 to fix shift fork 4 through the bolt, make like this can effectually prevent to take place relative rotation and removal between connecting axle 2 and the shift fork 4.

In the fourth embodiment, on the basis of the first embodiment, as shown in fig. 3, a supporting sleeve 14 located between the second connecting rod 8 and the inner wall of the housing 13 is further sleeved on the fixed pin 7, so that the positioning function of the first connecting rod 6 and the second connecting rod 8 is realized.

Fifth embodiment, on the basis of the first embodiment, as shown in fig. 4, the hinge pin further comprises a rotating sleeve 9, wherein the rotating sleeve 9 is sleeved on the shaft body of the hinge pin 10 and is matched with the slotted hole, so that the abrasion of the hinge pin 10 and the slotted hole can be reduced.

Sixth embodiment, on the basis of the first embodiment, as shown in fig. 2 and 4, the rotational connection is through a bearing connection, so that the friction force can be effectively reduced, the operation is smoother, and the durability is increased.

In the structure, when the locking handle lever 1 swings around the connecting shaft 2 in the front and back directions, the locking handle lever 1 drives the shifting fork 4 to swing around the connecting shaft 2 towards N, M through the connecting shaft 2, when the shifting fork 4 swings around the connecting shaft 2 towards N, M, the shifting fork 4 can shift the spherical head 5 on the first connecting rod 6 to swing around the fixed pin shaft 7 towards Y, X, so as to drive the second connecting rod 8 to swing around the fixed pin shaft 7 towards Y, X, when the second connecting rod 8 swings around the fixed pin shaft 7 towards Y, X, the cylindrical U-shaped fork 11 is driven to move downwards and upwards, and the cylindrical U-shaped fork 11 drives the pull rod 12 to complete the gear shifting action of the working end.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fork formula driving lever operating mechanism which characterized in that: comprises a locking handle rod (1), a connecting shaft (2), a shifting fork (4), a spherical head (5), a first connecting rod (6), a fixed pin shaft (7), a second connecting rod (8), a pin shaft (10), a cylindrical U-shaped fork (11), a pull rod (12), a shell (13) and a slotted guide sleeve (15), wherein one end of the locking handle rod (1) is provided with a necking waist-shaped groove which is clamped at one end of the connecting shaft (2) and is fixed by a bolt, the other end of the connecting shaft (2) extends into the shell (13) and is rotationally connected with the shell (13) and is fixedly connected with one end of the shifting fork (4), the shifting fork (4) is matched with the spherical head (5), the spherical head (5) is rotationally connected at one end of the first connecting rod (6), the first connecting rod (6) is vertically arranged with the shifting fork (4), the other end of the first connecting rod (6) is integrally formed with the second connecting rod (8) vertical to the first connecting rod, the second connecting rod (8) is correspondingly vertical to the shifting fork (4), a fixed pin shaft (7) is rotatably connected at the joint of the first connecting rod (6) and the second connecting rod (8), the fixed pin shaft (7) is fixed on the inner wall of the shell (13), and a long slot hole parallel to the fixed pin shaft (7) is formed in one end, far away from the fixed pin shaft (7), of the second connecting rod (8); the slotted end of the slotted guide sleeve (15) extends into the shell (13) from the bottom of the shell (13), and the slotted guide sleeve (15) is fixedly connected with the shell (13); the upper end of the pull rod (12) is fixed at the bottom of the cylindrical U-shaped fork (11), a pin shaft (10) matched with the long slotted hole is arranged in the inner cavity of the cylindrical U-shaped fork (11), and the cylindrical U-shaped fork (11) and the fixed part of the pull rod (12) are movably matched in the slotted guide sleeve (15) up and down.

2. The cross-coupled stick operating mechanism of claim 1, wherein: the connecting shaft (2) is also sleeved with a spacer bush (3) positioned between the shifting fork (4) and the inner wall of the shell (13).

3. The cross-coupled stick operating mechanism of claim 2, wherein: both ends of the connecting shaft (2) are provided with flat squares, wherein the flat squares connected with the shifting fork (4) are provided with threads, and the shifting fork (4) is fixed through bolts.

4. The cross-coupled stick operating mechanism of claim 1, wherein: the fixed pin shaft (7) is also sleeved with a support sleeve (14) positioned between the second connecting rod (8) and the inner wall of the shell (13).

5. The cross-coupled stick operating mechanism of claim 1, wherein: the novel hinge pin is characterized by further comprising a rotating sleeve (9), wherein the rotating sleeve (9) is sleeved on the shaft body of the hinge pin (10) and matched with the long slotted hole.

6. The cross-coupled stick operating mechanism of claim 1 or 5, wherein: the rotary connection is through the bearing connection.