CN219749464U

CN219749464U - Blade driving mechanism and automobile air outlet

Info

Publication number: CN219749464U
Application number: CN202321312254.8U
Authority: CN
Inventors: 胡栋杉; 方跃凯; 金伟洋; 岑树东
Original assignee: Ningbo Fuerda Smartech Co Ltd
Current assignee: Ningbo Fuerda Smartech Co Ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-09-26
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a blade driving mechanism and an automobile air outlet, wherein the blade driving mechanism comprises a driving assembly, a first blade assembly, a second blade assembly and a crank connecting rod assembly, the driving assembly comprises a motor and a transmission shaft, the first blade assembly comprises a first transmission rod and a first blade, the second blade assembly comprises a second transmission rod and a second blade, when the motor drives the transmission shaft to rotate, the first blade is driven to swing through the first transmission rod, and the second blade is driven to swing through the second transmission rod, so that a plurality of first blades and a plurality of second blades positioned in two spaces can be driven by one motor to swing, one motor can drive two groups of blades positioned in different spaces to move, the motor is applicable to special vehicle types, the cost is saved, and the crank connecting rod assembly is arranged between the motor and the transmission shaft for the condition that the motor cannot be directly installed at the transmission shaft, so that the motor is placed at a proper position, and the applicability of the motor is improved.

Description

Blade driving mechanism and automobile air outlet

Technical Field

The utility model relates to the technical field of automobile air outlet blade driving, in particular to a blade driving mechanism and an automobile air outlet.

Background

The air conditioning system is an important component of the automobile, the air conditioning system supplies air to the interior of the automobile through an air outlet on the automobile, the general automobile air outlet is set to be a single air duct or a double air duct arranged along the vertical direction, the conventional single air duct air outlet only needs to be provided with one group of blades, the conventional single air duct air outlet is driven to swing through one driving piece, air guiding is further carried out, and the common double air duct is arranged along the vertical direction, so that two groups of blades arranged in the double air duct can be arranged along the vertical direction, and the two groups of blades can be driven to swing simultaneously by one driving piece.

However, there are special vehicle types, in which the first air duct and the second air duct of the air outlet are crossed or arranged in a staggered manner, which results in that the two sets of blades are also arranged in a staggered manner and located in different spaces, and in this case, two driving members are required to drive the two sets of blades respectively, which results in an increase in cost.

Disclosure of Invention

The utility model is made in consideration of the problems, and the utility model aims to provide a blade driving mechanism and an air outlet of an automobile, which realize that one driving piece is used for driving two groups of blade assemblies which are arranged in a crossing way, have lower cost and are suitable for the automobile type with the crossing arrangement of an air duct.

In order to achieve the above object, the present utility model provides a blade driving mechanism comprising:

the driving assembly comprises a driving piece and a transmission shaft, and the transmission shaft is connected with the driving piece so as to be driven by the driving piece to perform rotational movement;

the first blade assembly and the second blade assembly are arranged on the outer side of the transmission shaft at intervals along the axial direction of the transmission shaft, and the first blade assembly and the second blade assembly are arranged on the outer side of the transmission shaft at intervals along the circumferential direction of the transmission shaft; wherein,,

the first blade assembly comprises a first transmission rod and a plurality of first blades, wherein a first hinge part and a first connecting part are arranged on one first blade, the first end of the first transmission rod is rotatably connected with the transmission shaft, the second end of the first transmission rod is connected with the first connecting part and forms a first spherical pair with the first connecting part, and the first end of the first transmission rod can reciprocate along with the rotation of the transmission shaft and can drive the first blade to swing around the first hinge part;

the second blade assembly comprises a second transmission rod and a plurality of second blades, wherein a second hinge part and a second connecting part are arranged on one second blade, the first end of the second transmission rod is rotatably connected with the transmission shaft, the second end of the second transmission rod is connected with the second connecting part and forms a second spherical pair with the second connecting part, and the first end of the second transmission rod can reciprocate along with the rotation of the transmission shaft and can drive the second blade to swing around the second hinge part.

According to the blade driving mechanism, the side wall of the transmission shaft is provided with the first protruding part and the second protruding part protruding out of the side wall of the transmission shaft, the first protruding part and the second protruding part are arranged on the transmission shaft at intervals along the axial direction of the transmission shaft, and the first protruding part and the second protruding part are arranged on the transmission shaft at intervals along the circumferential direction of the transmission shaft;

the first end of the first transmission rod is rotatably connected with the first extending part, and the first end of the second transmission rod is rotatably connected with the second extending part.

According to the blade driving mechanism, one ends of the first blades are fixed on the first connecting rod, and one ends of the second blades are fixed on the second connecting rod;

one side of one first blade facing the adjacent first blade is provided with a first bulge, and the second end of the first transmission rod is rotatably connected with the first bulge;

one side of the second blade facing the adjacent second blade is provided with a second bulge, and the second end of the second transmission rod is rotatably connected with the second bulge.

The blade driving mechanism is characterized in that the second extending part is provided with a third ball head, and the second connecting part is provided with a fourth ball head and is arranged on the second bulge;

the first end of the second transmission rod is provided with a third ball groove, the second end of the second transmission rod is provided with a fourth ball groove, the third ball is movably clamped in the third ball groove, and the fourth ball is movably clamped in the fourth ball groove.

According to the blade driving mechanism, when the first blade is located at the initial position, the second end of the first transmission rod is parallel to the first blade;

when the second blade is located at the initial position, the second end of the second transmission rod is parallel to the second blade.

According to the above-mentioned blade driving mechanism, the blade driving mechanism further comprises a crank transmission connecting rod assembly, the crank transmission connecting rod assembly comprises a first crank, a second crank and a driving connecting rod, the first end of the first crank is connected with the driving piece and can be driven by the driving piece to do rotational movement along a first direction, the first end of the second crank is connected with the second end of the first crank and can be driven by the driving piece to do rotational movement along a second direction along with the rotational movement of the first crank, the first end of the driving connecting rod is hinged with the second end of the second crank, and the second end of the driving connecting rod is hinged with the transmission shaft;

the first end of the driving connecting rod can do circular motion along with the rotation of the second crank and can drive the transmission shaft to do rotary motion.

According to the blade driving mechanism, the second end of the first crank is provided with the first bevel gear, one end of the second crank is provided with the second bevel gear, and the first bevel gear is meshed with the second bevel gear.

According to the blade driving mechanism, the driving piece is set to be a motor, and an output shaft of the motor is connected with the first end of the first crank.

An automotive air outlet, comprising:

a blade driving mechanism as described above;

the shell is provided with a first air channel and a second air channel which are arranged in a crossing mode, the first blade assembly is located in the first air channel, and the second blade assembly is located in the second air channel.

The utility model has the following beneficial effects: through the setting of first transfer line and second transfer line for a plurality of first blades and a plurality of second blades that are located two spaces can be driven by a transmission shaft simultaneously and swing, then the transmission shaft only need a motor just can drive its rotation, can realize that a motor drive is located two sets of blade movements in different spaces, can be applicable to the special motorcycle type of wind channel intersection setting, practice thrift the cost, and to the unable direct mount in the condition of transmission shaft department of motor, be equipped with crank connecting rod subassembly between motor and transmission shaft, can make the motor put to suitable position, increase its suitability.

Drawings

FIG. 1 is a schematic view showing the overall structure of a blade driving mechanism according to the first embodiment;

FIG. 2 is a schematic view of a blade driving mechanism according to an embodiment in which a first blade and a second blade are located at initial positions;

FIG. 3 is a schematic view showing the overall structure of a blade driving mechanism according to the second embodiment;

FIG. 4 is an exploded view of a crank and connecting rod assembly of the second embodiment;

fig. 5 is a schematic diagram of an air outlet structure of an automobile according to the third embodiment.

In the figure: 1. a drive assembly; 11. a motor; 12. a transmission shaft; 121. a first protruding portion; 121a, a first ball head; 122. a second protruding portion; 122a, a third ball head; 2. a first blade assembly; 21. a first blade; 211. a first hinge part; 212. a second ball head; 213. a first protrusion; 22. a first transmission rod; 23. a first link; 3. a second blade assembly; 31. a second blade; 311. a second hinge part; 312. a fourth ball head; 313. a second protrusion; 32. a second transmission rod; 33. a second link; 4. a crank-connecting rod assembly; 41. a first crank; 411. a first bevel gear; 42. a second crank; 421. a second bevel gear; 43. a drive link; 5. a housing; 51. a first air duct; 52. and a second air duct.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

As shown in fig. 1, a blade driving mechanism comprises a driving assembly 1, a first blade assembly 2 and a second blade assembly 3, wherein the driving assembly 1 comprises a transmission shaft 12 and a driving member directly driving the transmission shaft 12 to perform rotational movement, and in the embodiment, the driving member is a motor 11.

In the present embodiment, the first blade assembly 2 and the second blade assembly 3 are arranged at intervals on the outside of the drive shaft 12 in the axial direction of the drive shaft 12, and at the same time are arranged at intervals on the outside of the drive shaft 12 in the circumferential direction of the drive shaft 12, that is, the first blade assembly 2 and the second blade assembly 3 are not located in the same horizontal plane nor in the same vertical plane; in order to realize the driving of the first blade assembly 2 and the second blade assembly 3 in this case, the first blade assembly 2 includes a plurality of first blades 21 and a first transmission rod 22, a first hinge part 211 and a first connection part are provided on one of the first blades 21, the first blades 21 are connected with other components through the first hinge part 211, the first blades 21 can rotate around the first hinge part 211, a first end of the first transmission rod 22 is rotatably connected with the transmission shaft 12 and can reciprocate along with the rotation of the transmission shaft 12, the reciprocation is a reciprocating circular motion, a second end of the first transmission rod 22 is connected with the first connection part and forms a first spherical pair with the first connection part, the freedom of movement of the first transmission rod 22 is ensured, and when the first end of the first transmission rod 22 reciprocates along with the rotation of the transmission shaft 12, the position of the first transmission rod 22 changes, the first blades 21 can be driven to swing around the first hinge part 211; meanwhile, a second hinge part 311 and a second connecting part are also arranged on the second blade 31, the first end of the second transmission rod 32 is hinged with the transmission shaft 12, the second end of the second transmission rod 32 is connected with the second connecting part and forms a second spherical pair with the second connecting part, so that the degree of freedom of the movement of the second transmission rod 32 is ensured, the first end of the second transmission rod 32 can reciprocate along with the rotation of the transmission shaft 12, the reciprocating motion is reciprocating circular motion, and the second blade 31 can be driven to swing around the second hinge part 311; two groups of blade assemblies positioned on different vertical planes and different horizontal planes can be driven to swing simultaneously through one transmission shaft 12, and only one driving piece is required to be arranged to drive the transmission shaft 12 to rotate, so that the cost is saved.

In this embodiment, the first hinge portion 211 and the second hinge portion 311 are both set as a rotation shaft, the rotation shaft is disposed at the top of the first blade 21 and the second blade 31, when the first blade 21 and the second blade 31 rotate around the rotation shaft, the first blade 21 and the second blade 31 will move left and right, so as to swing, therefore, it can be seen that only one first blade 21 of the plurality of first blades 21 is provided with the first connection portion, all other first blades 21 are provided with the first hinge portion 211, only one second blade 31 of the plurality of second blades 31 is provided with the second connection portion, and all other second blades 31 are provided with the second hinge portion 311.

In order to realize the rotary connection between the transmission shaft 12 and the first transmission rod 22 and the second transmission rod 32, a first protruding part 121 and a second protruding part 122 protruding from the side wall of the transmission shaft 12 are arranged on the side wall of the transmission shaft 12, similarly, in order to match the installation orientation of the first blade assembly 2 and the second blade assembly 3, the first protruding part 121 and the second protruding part 122 are also arranged on the rotation shaft at intervals along the axial direction of the rotation shaft, and are also arranged on the rotation shaft at intervals along the circumferential direction of the rotation shaft, the first end of the first transmission rod 22 is rotatably connected with the first protruding part 121, the first end of the second transmission rod 32 is rotatably connected with the second protruding part 122, in this embodiment, a first ball head 121a is arranged on the first protruding part 121, a third ball head 122a is arranged on the second protruding part 122, a first ball head groove is arranged on the first end of the first transmission rod 22, a third ball head groove is arranged on the first end of the second transmission rod 32, the first ball head 121a can be clamped into the first ball head groove, the third ball head 122a can be clamped into the first ball head groove, and the first ball head 122a can be clamped into the first ball head groove and can be connected with the second transmission rod 32 in a limited way, and the first transmission rod can be connected with the first transmission rod 32 and the first protruding part 32 and the first transmission rod 32 in a limited position.

Meanwhile, in order to improve the wind guiding effect, in this embodiment, the first blade 21 and the second blade 31 are all provided with a plurality of first blades 21, one end of each first blade 21 is fixed on the first connecting rod 23, one end of each second blade 31 is fixed on the second connecting rod 33, one side of one first blade 21 facing to the adjacent first blade 21 is provided with a first protrusion 213, the first protrusion 213 is arranged at the inner side of the first blade 21, interference between the first protrusion 213 and other parts on the automobile can be avoided, a first connecting part on the first blade 21 is arranged on the first protrusion 213, then the second end of the first transmission rod 22 is rotatably connected with the first protrusion 213 through the first connecting part, and because the rotational connection between the first transmission rod 22 and the first protrusion 213 is not only in a single direction in the horizontal or vertical direction, the first connecting part is provided with a second ball groove 212, the second ball groove is movably clamped in the second ball groove, and the first transmission rod 22 can also rotate synchronously with the first blade 21 through the first ball groove 21 when the first transmission rod 22 is connected with the first blade 21 through the first ball head 21, and the first transmission rod 21 is driven to rotate synchronously.

Similarly, a second protrusion 313 is disposed on one side of one second blade 31 facing the adjacent second blade 31, a fourth ball head 312 is disposed on the second end of the second transmission rod 32, a fourth ball head groove is disposed on the second end of the second transmission rod 32, and the fourth ball head 312 is movably clamped in the fourth ball head groove, so that the rotation range of the second transmission rod 32 relative to the second blade 31 can be ensured, and meanwhile, when the second transmission rod 32 drives one second blade 31 to rotate, the second blade 31 drives other second blades 31 to rotate together through the second connection rod 33.

As shown in fig. 2, when the first blade 21 is located at the initial position, the second end of the first transmission rod 22 is parallel to the first blade 21, when the second blade 31 is located at the initial position, the second end of the second transmission rod 32 is parallel to the second blade 31, that is, when the first blade 21 and the second blade 31 have not deflected, the rotation angle of the first blade 21 and the second blade 31 is 0, the second end of the first transmission rod 22 is parallel to the first blade 21, and the second end of the second transmission rod 32 is parallel to the second blade 31.

Example two

As shown in fig. 3, a blade driving mechanism includes a driving assembly 1, a first blade assembly 2, a second blade assembly 3 and a crank link assembly 4, and in this embodiment, compared with the previous embodiment, the crank link assembly 4 is added, and the placement distance of the driving member in the driving assembly 1 can be increased by using the crank link assembly 4, which is suitable for the situation that the driving member in the driving assembly 1 cannot be placed near the transmission shaft 12.

Specifically, as shown in fig. 3 and 4, the crank-link assembly 4 includes a first crank 41, a second crank 42, and a driving link 43, wherein a first end of the first crank 41 is connected to the driving member to be driven by the driving member to perform a rotational movement in a first direction, a first end of the second crank 42 is connected to a second end of the first crank 41 to be driven by the driving member to perform a rotational movement in a second direction, the driving member is set as a motor 11, the first crank 41 is horizontally placed, the second crank 42 is vertically placed and is connected by a bevel gear engagement, a second bevel gear 421 is provided on the second end of the first crank 41, a first bevel gear 411 is provided on the first end of the second crank 42, and the first bevel gear 411 is engaged with the second bevel gear 421; taking the motor 11 to drive the first crank 41 to rotate clockwise as an example, due to the meshing relationship of the bevel gears, the movement direction of the second crank 42 can be changed, so that the second crank 42 is driven to rotate in the vertical direction, and the rotation direction is anticlockwise; the first end of the driving link 43 is hinged to the second end of the second crank 42 to perform circular motion along with the rotational motion of the second crank 42, when the second crank 42 rotates anticlockwise, the driving link 43 is driven to perform circular motion towards the right, the second end of the driving link 43 is hinged to the transmission shaft 12 to drive the transmission shaft 12 to perform rotational motion, wherein the transmission shaft 12 of the driving link 43 is hinged, and when the driving link 43 performs circular motion towards the right, the transmission shaft 12 is driven to perform clockwise rotation; when the motor 11 drives the first crank 41 to rotate anticlockwise, the drive transmission shaft 12 is driven to rotate anticlockwise; the crank connecting rod assembly 4 can be used for increasing the distance between the motor 11 and the transmission shaft 12, so that the motor 11 is convenient to install.

Example III

As shown in fig. 5, an air outlet of an automobile includes: the blade driving mechanism and the shell are arranged in the shell; in this embodiment, the housing is provided with a first air duct 51 and a second air duct 52 which are arranged in a crossed manner, the first blade assembly 2 is located in the first air duct 51, the second blade assembly 3 is located in the second air duct 52, and for the two air ducts which are arranged in a crossed manner, the blade driving mechanism can drive the first blade assembly 2 and the second blade assembly 3 to swing simultaneously; specifically, in the present embodiment, the first air duct 51 is disposed obliquely upward on the housing, and the second air duct 52 is disposed obliquely downward on the housing, which has a splayed shape, which is suitable for some special vehicle types.

The technical scheme of the utility model is explained in detail above with reference to the accompanying drawings, and the described embodiments are used for helping to understand the idea of the utility model. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims

1. A blade driving mechanism, comprising:

2. The blade driving mechanism according to claim 1, wherein a first protruding portion and a second protruding portion protruding from a side wall of the driving shaft are provided on the side wall of the driving shaft, the first protruding portion and the second protruding portion are arranged on the driving shaft at intervals in an axial direction of the driving shaft, and the first protruding portion and the second protruding portion are arranged on the driving shaft at intervals in a circumferential direction of the driving shaft;

3. The blade driving mechanism as recited in claim 2 wherein a plurality of said first blades are each secured at one end to a first link and a plurality of said second blades are each secured at one end to a second link;

4. A blade driving mechanism according to claim 3, wherein the first protruding portion is provided with a first ball head, and the first connecting portion is provided with a second ball head and is provided on the first protrusion;

the first end of the first transmission rod is provided with a first ball groove, the second end of the first transmission rod is provided with a second ball groove, the first ball is movably clamped in the first ball groove, and the second ball is movably clamped in the second ball groove.

5. A blade driving mechanism according to claim 3, wherein the second protruding portion is provided with a third ball, and the second connecting portion is provided with a fourth ball and is provided on the second protrusion;

6. A blade driving mechanism according to claim 4 or 5, wherein the second end of the first transmission rod is parallel to the first blade when the first blade is in the initial position;

7. The blade drive mechanism of claim 1, further comprising a crank drive link assembly, the crank drive link assembly comprising a first crank, a second crank, and a drive link, the first end of the first crank being coupled to the drive member and being drivable by the drive member for rotational movement in a first direction, the first end of the second crank being coupled to the second end of the first crank and being rotatable with rotational movement of the first crank in a second direction, the first end of the drive link being hinged to the second end of the second crank, the second end of the drive link being hinged to the drive shaft;

8. The blade driving mechanism as recited in claim 7 wherein a first bevel gear is provided on a second end of said first crank and a second bevel gear is provided on an end of said second crank, said first bevel gear being in mesh with said second bevel gear.

9. A blade driving mechanism according to claim 7, wherein the driving member is provided as a motor, and wherein an output shaft of the motor is connected to the first end of the first crank.

10. An automotive air outlet, comprising:

the blade driving mechanism according to any one of claims 1 to 9;