CN214946117U

CN214946117U - Power takeoff

Info

Publication number: CN214946117U
Application number: CN202120342119.2U
Authority: CN
Inventors: 江静烈
Original assignee: Ningbo Indexair Machinery Technology Co ltd
Current assignee: Ningbo Indexair Machinery Technology Co ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-11-30
Anticipated expiration: 2031-02-06

Abstract

The utility model discloses a power takeoff, its technical scheme main points are: the gear transmission mechanism comprises a shell, wherein an input shaft and an output shaft are arranged in the shell, an input gear is arranged on the input shaft, an output gear is arranged on the output shaft, and at least 2 transition gears are meshed between the input shaft and the output shaft; the outer surface of the shell is fixedly provided with a positioning lug which is inserted into the automobile beam frame, and the positioning lug is arranged close to the edge of the shell; the positioning lug is in a cuboid shape as a whole; the surface of the shell is outwards protruded to form a cake-shaped shell plate, and the end parts of the output shaft and the input shaft are arranged in the shell plate; the positioning convex blocks are fixed on the shell plate, a plurality of transmission gears are installed in the shell, the distance between the output shaft and the input shaft is increased, the positioning convex blocks are utilized to quickly position the power takeoff to be pre-installed on a beam frame of an automobile, the power takeoff and the automobile beam frame are fixed by screws in the later period of convenience, and the purpose of convenience in installation is achieved.

Description

Power takeoff

Technical Field

The utility model relates to a power takeoff for vehicles, more specifically says, it relates to a power takeoff.

Background

The power takeoff, also called power takeoff, is generally composed of a gear mechanism, a gear engaging mechanism, a control mechanism, etc. and is usually connected to the low gear of the transmission or the output shaft of the auxiliary box to output power to external working devices, such as a lift pump, a cleaning device, etc.

The gear mechanism of the existing power takeoff comprises an input shaft, an output shaft and a metal shell, and the whole weight of the power takeoff is heavier; and in order to avoid the less problem of the axle center distance between input shaft and the output shaft, current multiaxis power takeoff has increased a plurality of transition gears in the inside of power takeoff, this weight that has just further increased the power takeoff, the power takeoff passes through the screw rod with the roof beam structure of car and connects, because power takeoff's weight is great itself, the power takeoff is at the installation car roof beam structure in-process, a plurality of screws of power takeoff are difficult to insert simultaneously on the car roof beam structure for the installation degree of difficulty of power takeoff and car roof beam structure increases.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power takeoff installs a plurality of driven gears in the casing, has increased the interval between output shaft and the input shaft, and utilizes the location lug to fix a position power takeoff quick location and install in advance on the roof beam structure of car, and the later stage screw rod of being convenient for is fixed power takeoff and car roof beam structure, reaches the purpose of being convenient for install.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a power takeoff comprises a shell, wherein an input shaft and an output shaft are arranged in the shell, the input shaft is provided with an input gear, the output shaft is provided with an output gear, and at least 2 transition gears are meshed between the input shaft and the output shaft; the outer surface of the shell is fixedly provided with a positioning lug which is inserted into the automobile beam frame, and the positioning lug is arranged close to the edge of the shell; the positioning lug is in a cuboid shape as a whole; the surface of the shell is outwards protruded to form a cake-shaped shell plate, and the end parts of the output shaft and the input shaft are arranged in the shell plate; the positioning lug is fixed on the shell plate.

By adopting the technical scheme, in order to increase the interval between the input shaft and the output shaft, a plurality of transition gears are adopted, so that the transmission device is favorable for being suitable for the condition that the transmission device and the external working device are far distributed, and the number of the transition gears can be 3, 4, 5 or 6.

The automobile beam frame can be provided with a slot, and the slot is used for quickly inserting the positioning lug, and quickly positioning and mounting the item power takeoff and the automobile beam frame. The positioning lug is formed into a cuboid shape, so that the positioning lug cannot rotate in the slot of the automobile beam frame after being inserted into the automobile beam frame, the power takeoff can only move forwards and backwards in the length direction of the positioning lug, and the position deviation of a screw rod on the power takeoff and a threaded hole on the automobile beam frame is effectively limited.

The purpose of the shell plate bulge is to place more lubricating oil in the shell plate and also to provide more space for the ends of the input shaft, the output shaft and other rotating shafts; the positioning lug is arranged on the shell, so that the depth of the positioning lug inserted into the automobile beam frame can be further increased, and the positioning and mounting process is more stable.

Preferably, the four edges of the positioning lug pointing to the automobile beam frame are provided with round corners.

Through adopting above-mentioned technical scheme, the fillet makes the locating lug more smooth and easy at the insertion process.

Preferably, the number of transition gears is 2.

Through adopting above-mentioned technical scheme, 2 transition gears for have longer interval between input shaft and the output shaft.

Preferably, the output shaft is lower than the input shaft relative to the horizontal position.

By adopting the technical scheme, the output shaft is relatively low, so that the occupied space above the vehicle body by the external linkage rod connected with the output shaft is reduced to some extent.

Preferably, the output shaft and the output shaft are both mounted in the housing by bearings.

By adopting the technical scheme, the bearing is stable in structure.

Preferably, a sliding groove is formed in one end, inserted into the automobile beam frame, of the positioning convex block, a guide block slides in the sliding groove, a plurality of guide inclined planes are arranged on the surface of the guide block, and a spring for ejecting the guide block is arranged in the sliding groove.

By adopting the technical scheme, the guide block is provided with the guide inclined plane, so that the positioning lug can slide into the sliding groove more easily, and the positioning lug can slide into the slot of the automobile beam frame more easily; the spring has the purpose two, and one of them is ejecting locating lug with the guide block, and its two, when locating lug is pressed in the car roof beam structure, the guide block stretches into locating lug inside, and the spring is compressed the scope and can be increased a pretightning force by the screw rod constantly, reduces the spring and becomes flexible.

Preferably, the guide block is tapered.

Through adopting above-mentioned technical scheme, the guide block of toper slips into the car roof beam structure more easily.

Preferably, a blocking assembly is arranged between the sliding groove and the guide block to limit the guide block to slide out of the sliding groove.

Preferably, separate and keep off the subassembly and include the dog and support the piece, the dog is fixed at the inner wall of spout, supports the piece and fixes at the guide block.

Through adopting above-mentioned technical scheme, dog and the effect that separates of support piece avoid the guide block slippage in the spout.

Drawings

FIG. 1 is a plan view of embodiment 1;

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

FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;

FIG. 4 is a schematic structural view of embodiment 1;

FIG. 5 is a schematic structural view of example 2;

fig. 6 is a sectional view of a positioning projection in embodiment 2.

In the figure:

1. a housing; 11. a shell plate;

21. an input shaft; 22. an output shaft; 23. a drive shaft; 31. an input gear; 32. an output gear; 33. a transition gear;

4. positioning the bump; 41. round corners; 42. a chute; 43. a guide block; 44. a spring;

51. a stopper; 52. a resisting block;

6. and a bearing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, a power takeoff, referring to fig. 1 to 4, includes a casing 1, the casing 1 having two halves, the two halves being formed by connecting screws, and the two halves of the casing 1 being formed by casting;

an input shaft 21 and an output shaft 22 are arranged in the shell 1, the input shaft 21 is provided with a spline which is used for being connected with a shaft of a gearbox on an automobile, the input shaft 21 is provided with an input gear 31, the output shaft 22 is provided with an output gear 32, 2 transition gears 33 are meshed between the input gear 31 and the output gear 32, and the transition gears 33 are arranged on a transmission shaft 23; the output shaft 22 and the output shaft 22 as well as 2 conventional shafts are all installed in the shell 1 through bearings 6; the output shaft 22 is lower than the input shaft 21 with respect to the horizontal position.

The surface of the shell 1 protrudes outwards to form a cake-shaped shell plate 11, the shell plates 11 are distributed on two sides of the shell 1, and each side of the shell 1 is provided with 4 shell plates 11; the ends of the output shaft 22 and the input shaft 21 and of the transmission shaft 23 are placed inside the shell plate 11; the positioning lug 4 is fixed on the shell plate 11, and the positioning lug 4 inserted into the beam frame of the automobile is fixed on the outer surface of the shell 1;

the positioning lug 4 is arranged close to the edge of the shell 1; the positioning lug 4 is in a cuboid shape as a whole; the four edges of the positioning convex block 4 pointing to the beam frame of the automobile are provided with round corners 41.

Embodiment 2 is a power takeoff device, which is different from embodiment 1 in that, referring to fig. 5 to 6, a chute 42 is formed in one end of a positioning lug 4, which is inserted into an automobile beam frame, a guide block 43 is slidably arranged in the chute 42, a plurality of guide inclined planes are arranged on the surface of the guide block 43, and a spring 44 for ejecting the guide block 43 is arranged in the chute 42; the guide block 43 is tapered.

A blocking component is arranged between the sliding groove 42 and the guide block 43 to limit the guide block 43 to slide out of the sliding groove 42; the blocking assembly comprises a stop block 51 and a resisting block 52, the stop block 51 is fixed on the inner wall of the sliding groove 42, and the resisting block 52 is fixed on the guide block 43.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A power takeoff is characterized in that: the gear transmission mechanism comprises a shell (1), wherein an input shaft (21) and an output shaft (22) are arranged in the shell (1), an input gear (31) is arranged on the input shaft (21), an output gear (32) is arranged on the output shaft (22), and at least 2 transition gears (33) are meshed between the input shaft (21) and the output shaft (22);

a positioning lug (4) inserted into an automobile beam frame is fixed on the outer surface of the shell (1), and the positioning lug (4) is arranged close to the edge of the shell (1); the positioning lug (4) is in a cuboid shape as a whole; the surface of the shell (1) protrudes outwards to form a cake-shaped shell plate (11), and the end parts of the output shaft (22) and the input shaft (21) are arranged in the shell plate (11); the positioning lug (4) is fixed on the shell plate (11).

2. The power takeoff of claim 1, wherein: the four edges of the positioning convex blocks (4) pointing to the automobile beam frame are provided with round corners (41).

3. The power takeoff of claim 1, wherein: the number of the transition gears (33) is 2.

4. The power takeoff of claim 1, wherein: the output shaft (22) is lower than the input shaft (21) with respect to the horizontal position.

5. The power takeoff of claim 1, wherein: the output shaft (22) and the output shaft (22) are both installed in the shell (1) through a bearing (6).

6. The power takeoff of claim 1, wherein: one end of the positioning lug (4) inserted into the automobile beam frame is provided with a sliding groove (42), a guide block (43) slides in the sliding groove (42), the surface of the guide block (43) is provided with a plurality of guide inclined planes, and a spring (44) ejecting the guide block (43) is arranged in the sliding groove (42).

7. The power takeoff of claim 6, wherein: the guide block (43) is tapered.

8. The power takeoff of claim 6, wherein: a blocking component is arranged between the sliding groove (42) and the guide block (43) to limit the guide block (43) to slide out of the sliding groove (42).

9. The power takeoff of claim 8, wherein: the blocking assembly comprises a stop block (51) and a resisting block (52), the stop block (51) is fixed on the inner wall of the sliding groove (42), and the resisting block (52) is fixed on the guide block (43).