CN214243618U

CN214243618U - Rocker arm mechanism

Info

Publication number: CN214243618U
Application number: CN202023345075.3U
Authority: CN
Inventors: 黄凯珊
Original assignee: Guangzhou Heli Automobile Maintenance Equipment Co ltd
Current assignee: Guangzhou Heli Automobile Maintenance Equipment Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-21
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to the technical field of lifting machines, and discloses a rocker arm mechanism which is rotationally connected with a lifting rod and comprises a rocker arm, a telescopic arm and a rocker arm support lug, wherein the rocker arm is provided with an accommodating cavity; the telescopic arm is telescopically connected with the accommodating cavity of the rocker arm; the rocker arm journal stirrup stretches across on the rocker arm, the rocker arm journal stirrup with be L shape setting between the rocker arm, the rocker arm journal stirrup rotate connect in the lifter. The utility model provides a rocker arm mechanism to reach the purpose that rocker arm mechanism's turned angle scope is big.

Description

Rocker arm mechanism

Technical Field

The utility model relates to a machine of lifting technical field especially relates to a rocker mechanism.

Background

At present, a lifting machine is a device for lifting an automobile in the automobile maintenance process, and can lift the automobile to a certain height so as to be convenient for maintenance personnel to maintain, so that the lifting machine is one of necessary devices of an automobile maintenance factory.

The existing lifting machine comprises a rocker arm mechanism and a lifting mechanism, wherein the rocker arm mechanism is rotatably connected to the lifting mechanism, and before the automobile is lifted, the included angle between the rocker arm mechanism and the lifting mechanism is adjusted by rotating the rocker arm mechanism according to automobiles of different models, so that a chassis of the automobile is supported. Chinese utility model patent No. CN206970134U discloses a machine of lifting rocking arm locking device, and it includes rocking arm and lift piece, through pivot connection between rocking arm tip and the lift piece, the rocking arm changes the contained angle between rocking arm and the lift piece through rotating around the pivot. However, the above-described prior art has the following problems: because the rotation of rocking arm receives the restriction between gear and the stopper, and the rocking arm is linear type structure, consequently, the turned angle scope of rocking arm is less, can't make the car receive best equilibrium power at the lift in-process.

Disclosure of Invention

The utility model aims at: the utility model provides a rocker arm mechanism to reach the purpose that rocker arm mechanism's turned angle scope is big.

In order to achieve the above object, the utility model provides a rocker mechanism, its rotation is connected in the lifter, and it includes:

the rocker arm is provided with an accommodating cavity;

the telescopic arm is telescopically connected with the accommodating cavity of the rocker arm;

the rocker arm journal stirrup stretches across on the rocker arm, the rocker arm journal stirrup with be L shape setting between the rocker arm, the rocker arm journal stirrup rotate connect in the lifter.

In some embodiments of this application, the rocking arm journal stirrup is equipped with the first logical groove and the second that set up side by side and leads to the groove, the rocking arm passes first logical groove, the lifter rotate connect in the second leads to the inslot.

In some embodiments of this application, this rocker mechanism still includes the strengthening rib, the strengthening rib is established to two, two the strengthening rib set up in first logical groove relative both sides, the top of strengthening rib with the rocker arm journal stirrup is connected, the bottom of strengthening rib with the rocker arm is connected.

In some embodiments of this application, the rocking arm is from being close to be equipped with first side and second side in the direction of flexible arm, the rocking arm journal stirrup with the first side of rocking arm the rocking arm journal stirrup with all have the clearance between the second side of rocking arm.

In some embodiments of the present application, it is assumed that a direction in which the telescopic boom extends and retracts is a length direction, and a length between a vertical central axis of the rocker arm brace and the first side surface of the rocker arm is recorded as L₁The length of the rocker arm is L₂Said L is₁And L₂The ratio of (A) to (B) is 0.3-0.5.

In some embodiments of the present application, the rocker arm mechanism further includes a limiting member, the rocker arm support lug is provided with a limiting hole, the limiting member passes through the limiting hole and abuts against the top end of the telescopic arm, and the top end of the telescopic arm is provided with an anti-falling block corresponding to the limiting member.

In some embodiments of the present application, the limiting member is a limiting rod.

In some embodiments of the present application, a gear is disposed at a top end of the rocker arm lug.

The embodiment of the utility model provides a rocker mechanism, it compares with prior art, and its beneficial effect lies in:

compare and be the linear type setting between rocking arm journal stirrup and the rocking arm, the utility model discloses be the setting of L type between rocking arm journal stirrup and the rocking arm, under the condition of rocking arm journal stirrup rotation the same angle, rocking arm pivoted angle is bigger, from this, this rocker mechanism can adapt to not unidimensional chassis, and then makes the car receive best equilibrant at the lift in-process.

Drawings

Fig. 1 is a schematic view of a connection structure between a rocker mechanism and a lifter according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a rocker arm mechanism according to an embodiment of the present invention.

Fig. 3 is an exploded view of a rocker mechanism according to an embodiment of the present invention.

In the figure, 1, a lifting rod; 2. a rocker arm; 21. a first side surface; 22. a second side surface; 3. a telescopic arm; 4. a rocker arm lug; 5. a first through groove; 6. a second through groove; 7. reinforcing ribs; 8. a limiting hole; 9. an anti-drop block; 10. a gear.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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.

As shown in fig. 1-3, an embodiment of the present invention provides a rocker arm mechanism, which is rotatably connected to a lifting rod 1, and includes a rocker arm 2, a telescopic arm 3, and a rocker arm support lug 4, wherein the rocker arm 2 is provided with a receiving cavity; the telescopic arm 3 is telescopically connected with the accommodating cavity of the rocker arm 2; the rocker arm support lug 4 stretches across the rocker arm 2, the rocker arm support lug 4 and the rocker arm 2 are arranged in an L shape, and the rocker arm support lug 4 is rotatably connected to the lifting rod 1.

Based on above-mentioned setting, compare and be the linear type setting between rocking arm journal stirrup 4 and rocking arm 2, the utility model discloses be the setting of L type between rocking arm journal stirrup 4 and the rocking arm 2, under the condition that rocking arm journal stirrup 4 rotated the same angle, 2 pivoted angles of rocking arm are bigger, and from this, this rocker mechanism can adapt to not unidimensional chassis, and then makes the car receive best equilibrant at the lift in-process.

In some embodiments, optionally, the rocker arm support lug 4 is provided with a first through slot 5 and a second through slot 6 which are arranged in parallel, the rocker arm 2 passes through the first through slot 5, and the lifting rod 1 is rotatably connected in the second through slot 6. Thereby, the rocker arm 2 and the lifter 1 do not interfere with each other, thereby facilitating the rotation of the rocker arm 2.

In some embodiments, optionally, as shown in fig. 1 to 3, the rocker arm mechanism further includes two reinforcing ribs 7, two reinforcing ribs 7 are disposed on two opposite sides of the first through slot 5, a top end of each reinforcing rib 7 is connected to the rocker arm support lug 4, and a bottom end of each reinforcing rib 7 is connected to the rocker arm 2. Therefore, the reinforcing ribs 7 not only connect the rocker arm lugs 4 with the rocker arms 2, but also enhance the strength of the rocker arm lugs 4 and the rocker arms 2; preferably, the vertical cross section of the reinforcing bar 7 is triangular.

In some embodiments, optionally, as shown in fig. 1 to 3, the rocker arm 2 is provided with a first side surface 21 and a second side surface 22 from a direction close to the telescopic arm 3, and gaps are provided between the rocker arm support lug 4 and the first side surface 21 of the rocker arm 2, and between the rocker arm support lug 4 and the second side surface 22 of the rocker arm 2. Tests show that compared with the situation that one side of the rocker arm support lug 4 is arranged to be attached to the first side surface 21 of the rocker arm 2, the radian of rotation of the rocker arm 2 of the embodiment is larger under the condition that the rocker arm support lug 4 rotates by the same angle, so that the rocker arm 2 can adapt to more automobile chassis with different sizes.

In some embodiments, optionally, as shown in fig. 1 to 3, the extending direction of the telescopic arm 3 is taken as the length direction, and the length between the vertical central axis of the rocker arm support lug 4 and the first side surface 21 of the rocker arm 2 is denoted as L₁The length of the rocker arm 2 is L₂，L₁And L₂The ratio of (a) to (b) is 0.3-0.5, further making the arc of rotation of the rocker arm 2 larger.

In some embodiments, optionally, as shown in fig. 3, the rocker arm mechanism further includes a limiting member, the rocker arm support lug 4 is provided with a limiting hole, the limiting member passes through the limiting hole 8 and abuts against the top end of the telescopic arm 3, and the top end of the telescopic arm 3 is provided with an anti-falling block 9 corresponding to the limiting member. From this, when flexible arm 3 outwards stretches out, anticreep piece 9 and locating part butt, the locating part produces the effect of restriction to the removal of anticreep piece 9 to make flexible arm 3 can not break away from in the chamber that holds of rocking arm 2, and then guarantee the stability of car at the lift in-process.

In some embodiments, optionally, as shown in fig. 3, the limiting hole 8 is a limiting rod, and the limiting rod has the advantages of good limiting effect and simple structure.

In some embodiments, optionally, as shown in fig. 1-3, the top end of the rocker arm lug 4 is provided with a gear 10, in other words, the lifting rod 1 is provided with an anti-rotation tooth, which is in a matching connection with the gear 10, so that the rocker arm 2 is locked.

To sum up, the utility model discloses be the setting of L type between rocking arm journal stirrup 4 and the rocking arm 2, under the condition that rocking arm journal stirrup 4 rotated the same angle, 2 pivoted angles of rocking arm are bigger, and from this, this rocker mechanism can adapt to not unidimensional chassis, and then makes the car receive best equilibrant at the lift in-process.

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

Claims

1. The utility model provides a rocker mechanism, its rotation is connected in the lifter, its characterized in that includes:

the rocker arm is provided with an accommodating cavity;

2. The rocker mechanism of claim 1, wherein the rocker arm lugs have first and second slots arranged in parallel, the rocker arm passing through the first slot, and the lifter pivotally connected to the second slot.

3. The rocker arm mechanism of claim 2, further comprising two reinforcing ribs, wherein the two reinforcing ribs are disposed on two opposite sides of the first through groove, the top ends of the reinforcing ribs are connected to the rocker arm lugs, and the bottom ends of the reinforcing ribs are connected to the rocker arm.

4. The rocker mechanism of claim 1, wherein the rocker arm has a first side and a second side from a direction adjacent to the telescoping arm, and a gap is provided between the rocker arm lug and the first side of the rocker arm and between the rocker arm lug and the second side of the rocker arm.

5. The rocker mechanism of claim 4, wherein the direction in which the telescopic arm extends and retracts is defined as a length direction, and the length between the vertical central axis of the rocker arm support lug and the first side surface of the rocker arm is defined as L₁The length of the rocker arm is L₂Said L is₁And L₂The ratio of (A) to (B) is 0.3-0.5.

6. The rocker arm mechanism according to claim 1, further comprising a limiting member, wherein the rocker arm support lug is provided with a limiting hole, the limiting member passes through the limiting hole and abuts against the top end of the telescopic arm, and the top end of the telescopic arm is provided with an anti-falling block corresponding to the limiting member.

7. The rocker mechanism of claim 6, wherein the stop is a stop bar.

8. The rocker mechanism of claim 1, wherein the rocker lugs are provided with a gear at the top end.