CN209795593U - Power-assisted steering device for electric vehicle - Google Patents

Abstract

The utility model provides a power-assisted steering device for an electric vehicle, which comprises a sensing seat, a spraying pipe and a gas port; the small fan is sleeved and fastened on the rotating pipe through a bolt mounting buckle at the bottom, and the type fan is positioned at the right side of the existing sensing seat and the motor; small-size fan is the same with current motor and sensing seat, consequently can make these two electrical property parts during operation, the heat of production, by synchronous dispersion, when preventing that two electrical property structure casings from receiving high temperature, produce more peculiar smell gas, improve the environment in the driver's cabin, the downthehole form has still been made to the commentaries on classics cover one side region that will cooperate the bull stick, consequently the bull stick is when changeing the cover internal rotation, the heat of production, also can carry out fine outer row, the electrodynamic type steering wheel wrench movement ware device of this kind of structure that has now, this structure is superior to the former on heat radiation characteristic, more environmental protection.

Description

Power-assisted steering device for electric vehicle

Technical Field

The utility model belongs to the technical field of electric car power assisted steering ware structure, more specifically says, in particular to power assisted steering device for electric motor car.

Background

The automobile steering wheel booster is also called a steering wheel boosting ball, and the main function of the booster is to assist a driver to reduce the strength of the steering wheel, so that the driver can more easily start the automobile, the booster is installed on the steering wheel, the force arm of the steering wheel is increased, thereby increasing the torque, wherein the application is more extensive, the booster is an electric power steering system, the booster is simple in structure, low in noise, and widely applied to an electric car, the prior art is mature, the booster is composed of a boosting motor, a torque rotating rod, a sensing seat and other accessories, the booster is assembled and connected with a car bottom driving wheel connecting rod through a universal joint, a screw at the lower end of a top bayonet is unscrewed, the upper part and the lower part of the bayonet are clamped on the steering wheel, and the screw is tightened.

Present electrodynamic type car steering wheel booster, because the bottom is by the electric machine motor, and the sensing seat constitutes, therefore the booster utilizes bottom motor and sensing subassembly to make the bull stick during operation, no matter be the electrical property subassembly of two major functions, still the cooperation is rotatory at the bull stick in the booster commentaries on classics pipe, all can produce higher heat, especially bottom motor and sensing subassembly installation back, be located car steering wheel place support frame bottommost position, the heat dissipation is more difficult, easily make line skin or their plastic housing be heated and produce the peculiar smell, therefore when the steering wheel is taken turns more frequently, we will smell a plastics flavor in the driver's cabin, influence the driving environment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a power assisted steering device for electric motor car, with solve current electrodynamic type car steering wheel booster, because the bottom is by electric motor, and the sensing seat constitutes, in operation, no matter be the electrical property subassembly of two megafunctions, it is rotatory still to cooperate the bull stick in the booster commentaries on classics pipe, all can produce higher heat, bottom motor and sensing unit mount back, be located car steering wheel place support frame bottommost position, it is more difficult to dispel the heat, easily make line skin or their plastic casing be heated and produce the peculiar smell and influence the problem of driving the environment.

The utility model relates to a power assisted steering device for electric motor car's purpose and efficiency are reached by following specific technological means:

A power-assisted steering device for an electric vehicle comprises a motor, a sensing seat, a rotating pipe, a rotating rod, a small fan, a mounting plate, a bolt mounting buckle, a motor receiving spray pipe, a main air pipe, a sensing seat receiving spray pipe and an air port; the small fan is sleeved and fastened on the rotating pipe through a bolt mounting buckle at the bottom, and the type fan is positioned at the right side of the existing sensing seat and the motor; a main air pipe is arranged on an air outlet at the left upper side of the small fan, and a motor spraying pipe and a sensing seat spraying pipe are arranged in a mode that the main air pipe is in a penetrating fit with an upper branch and a lower branch; the small fan is the same as the existing motor and the sensing seat and is electrically connected with the existing electrical supply assembly on the electric car in a control way; the rotating rod is a rotating component in the existing rotating pipe of the power-assisted steering device for the electric vehicle, and the top end of the rotating rod is matched with a bolt component used for being matched with a steering wheel of the electric car; the mounting plate is a welding part on the pipe wall of the rotating pipe, and the mounting plate is a mounting device for fixing the device on a vehicle body.

further: the motor is slightly inclined upwards by the spray pipe, and the air outlet is just located the motor, and it runs through the cooperation on total trachea, accepts small-size fan's the effect of blowing, and the motor is the loudspeaker column structure of big-outside little-inside by the spray pipe.

Further: the sensing seat is slightly obliquely arranged downwards by the spray pipe, the air outlet is positioned at the sensing seat, the sensing seat is also matched on the main air pipe in a penetrating way to receive the blowing effect of the small fan, and the sensing seat is also in a horn-shaped structure with a large outside and a small inside by the spray pipe.

further: the air ports are arranged at a plurality of positions, are densely arranged at the right area of the rotating pipe, and are communicated with the rotating pipe at the area part where the air ports are arranged.

Further: the right sides of the shell of the motor and the sensing seat are both inclined plane structures.

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

We have carried out the addition in the function with current electrodynamic type steering wheel booster to and structural improvement, the booster that has embodied this structure mainly has better heat dissipation characteristic that drives, mainly embodies: the suit has a small-size heat dissipation air-blower on the bull tube, this air-blower has installed two air outlets and has inclined to its own blowing mouth of pipe that has functional structure motor and sensing seat, consequently, can make these two electrical components during operation, the heat of production, by synchronous dissipation, when preventing that two electrical structure casings from receiving high temperature, produce more peculiar smell gas, improve the environment in the driver's cabin, the hourglass hole form has still been made to the commentaries on classics cover one side region that will cooperate with the bull stick, consequently, the bull stick is when changeing the cover internal rotation, the heat of production, also can carry out fine outer row, the electrodynamic type steering wheel twister device of this kind of structure that more exists, this structure is superior to the former on heat dissipation characteristic, and is more environment-friendly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of an electric power steering apparatus before improvement in the related art.

Fig. 3 is a schematic sectional view of the present invention.

fig. 4 is a partially enlarged schematic view of the present invention.

Fig. 5 is a schematic view of the structure of the two C-direction nozzles, the corresponding motors and the corresponding sensor bases of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. A motor; 2. a sensing seat; 3. pipe rotation; 4. a rotating rod; 55. a small fan; 6. mounting a plate; 7. a bolt mounting buckle; 8. the motor is provided with a spray pipe 9 and a main gas pipe; 10. the sensing seat is provided with a spray pipe; 11. and (4) air ports.

Detailed Description

The following describes embodiments of the present invention in further detail 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, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of 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. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

As shown in figures 1 to 5:

The utility model provides a power assisted steering device for electric motor car, including: the device comprises a motor 1, a sensing seat 2, a rotating pipe 3, a rotating rod 4, a small fan 5, a mounting plate 6, a bolt mounting buckle 7, a motor receiving spray pipe 8, a main gas pipe 9, a sensing seat receiving spray pipe 10 and a gas port 11; the small fan 5 is sleeved and fastened on the rotating pipe 3 through a bolt mounting buckle 7 at the bottom, and the fan 5 is positioned at the right side of the existing sensing seat 2 and the motor 1; a main air pipe 9 is arranged on an air outlet at the left upper side of the small fan 5, and a motor spraying pipe 8 and a sensing seat spraying pipe 10 are arranged in a mode that the main air pipe 9 is in a penetrating fit with an upper branch and a lower branch; the small fan 5 is electrically controlled and connected with the existing electric supply assembly on the electric car as the existing motor 1 and the sensing seat 2; the rotating rod 4 is a rotating component in the existing rotating pipe 3 of the power-assisted steering device for the electric vehicle, and the top end of the rotating rod 4 is matched with a bolt component used for being matched with a steering wheel of the electric car; the mounting plate 6 is a welding part on the pipe wall of the rotating pipe 3, and the mounting plate 6 is a mounting device for fixing the device on a vehicle body.

Wherein: the motor receives the little slope of spray tube 8 to set up, the air outlet is just being located motor 1, it runs through the cooperation on total trachea 9, accept small fan 5's the effect of blowing, and the motor receives spray tube 8 to be the loudspeaker column structure of outer big-end-up, as shown in figure 1, the motor receives the gas injection that spray tube 8 blew out small fan 5 to the motor 1, because current electrodynamic steering booster's power derives from motor 1, therefore the heat that motor 1 produced, can be reduced, be unlikely to make the ageing more peculiar smell of production of its casing.

wherein: the sensing seat is slightly obliquely arranged downwards by the spray pipe 10, the air outlet is positioned at the sensing seat 2, the sensing seat is also matched on the main air pipe 9 in a penetrating way to receive the blowing effect of the small fan 5, the sensing seat is also in a horn-shaped structure with a large outside and a small inside by the spray pipe 10, and the sensing seat has the same functional principle that the air blown out by the small heat dissipation fan 5 is sprayed onto the sensing seat 2 to be cooled similarly and generate the same effect of reducing peculiar smell.

Wherein: the air ports 11 are densely arranged at the right area of the rotating pipe 3, and the area where the air ports are arranged is communicated with the rotating pipe 3, the structure of the air port is shown in figures 1, 3 and 4, and due to the arrangement of the air ports 11, heat generated by high-frequency rotation of the rotating rod 4 in the rotating pipe 3 in the prior art is effectively discharged, the service life is prolonged, and the rotating rod 4 is prevented from being thermally deformed.

Wherein: the right sides of the shells of the motor 1 and the sensing seat 2 are both inclined slope structures, as shown in fig. 5, because the two prior art assemblies only adopt inclined slope structures as the shells, the shells are sprayed with gas by the two spray pipes respectively to perform quick heat dissipation, and meanwhile, the downward sliding and cleaning of dust on the surfaces of the shells are facilitated, the blowing heat dissipation effect is well utilized, the other functional characteristic is realized, and the comprehensive structure is better.

When in use: because the device is used according to the characteristic structure of the prior art as shown in figure 2, the top part is used for connecting with a vehicle steering wheel, and the bottom motor 1 and the sensing seat 2 are positioned at the bottom side of the frame where the steering wheel is positioned, so that high electric energy temperature can be generated and the sensing seat is difficult to discharge, the structure is changed into the structure as shown in figure 1, the heat dissipation effect is greatly improved due to the structural style as shown in figure 1, because the small fan 5 is arranged at one side of the motor 1 and the sensing seat 2, the small fan 5 blows air into the motor receiving spray pipe 8 and the sensing seat receiving spray pipe 10 through the air main pipe 9, so that the heat generated when the two electrical components work can be synchronously dissipated, the two electrical structure shells are prevented from generating more peculiar smell air when being subjected to high temperature, the environment in a driving cab is improved, and similarly, a plurality of air ports 11 are arranged at the right side area of the rotating pipe 3, the heat generated by the high-frequency rotation of the rotating rod 4 in the rotating pipe 3 in the prior art is effectively discharged, the service life is prolonged, the thermal deformation of the rotating rod 4 is prevented, and the series of structures of the rotating rod 4 are superior to the structure in the prior art in figure 2, so that the structure of the device is more perfect.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. The utility model provides an electric motor car is with power assisted steering device which characterized in that: the power-assisted steering device for the electric vehicle comprises a motor (1), a sensing seat (2), a rotating pipe (3), a rotating rod (4), a small fan (5), a mounting plate (6), a bolt mounting buckle (7), a motor spraying pipe (8), a main air pipe (9), a sensing seat spraying pipe (10) and an air port (11); the small fan (5) is sleeved and fastened on the rotating pipe (3) through a bolt mounting buckle (7) at the bottom, and the fan (5) is positioned at the right side of the existing sensing seat (2) and the motor (1); a main air pipe (9) is arranged on an air outlet at the left upper side of the small fan (5), and a motor spraying pipe (8) and a sensing seat spraying pipe (10) are arranged in a mode that the main air pipe (9) is in a penetrating fit with an upper branch and a lower branch; the small fan (5) is the same as the existing motor (1) and the sensing seat (2), and is electrically connected with the existing electric supply assembly on the electric car in a control way; the rotating rod (4) is a rotating assembly in the existing rotating pipe (3) of the power-assisted steering device for the electric vehicle, and the top end of the rotating rod (4) is matched with a bolt assembly used for being matched with a steering wheel of the electric car; the mounting plate (6) is a welding part on the pipe wall of the rotating pipe (3), and the mounting plate (6) is a mounting device for fixing the device on a vehicle body.

2. A power steering apparatus for an electric vehicle according to claim 1, wherein: the motor is slightly inclined upwards by the spray pipe (8), the air outlet is just positioned on the motor (1), the motor runs through the main air pipe (9) to be matched with the air blowing effect of the small fan (5), and the motor is of a horn-shaped structure with a large outside and a small inside by the spray pipe (8).

3. a power steering apparatus for an electric vehicle according to claim 1, wherein: the sensing seat is slightly obliquely arranged downwards by the spray pipe (10), the air outlet is positioned at the sensing seat (2), the sensing seat is also matched on the main air pipe (9) in a penetrating way to receive the air blowing effect of the small fan (5), and the sensing seat is also in a horn-shaped structure with a large outside and a small inside by the spray pipe (10).

4. A power steering apparatus for an electric vehicle according to claim 1, wherein: the air ports (11) are arranged at a plurality of positions, are densely arranged at the right side area of the rotating pipe (3), and are communicated with the rotating pipe (3) at the area part where the air ports are arranged.

5. A power steering apparatus for an electric vehicle according to claim 1, wherein: the right sides of the shell of the motor (1) and the shell of the sensing seat (2) are both inclined plane structures.