CN209738754U - Air duct assembly for vehicle - Google Patents

Abstract

The utility model provides a wind channel subassembly of vehicle, the wind channel subassembly of vehicle includes: air duct, rotatory joint portion and sensor. A through groove penetrating through the air duct wall is formed in the air duct wall of the air duct and connected with a first avoidance groove; the rotary clamping part is arranged on the outer wall surface of the air duct wall and is provided with a clamping groove; the sensor has first spacing muscle and swinging boom, and first spacing muscle can be through first avoiding the groove and stretching into the inside in wind channel, and rotation sensor makes the swinging boom can be by the joint in the joint inslot and first spacing muscle stagger and block to the internal face at the wind channel wall with first avoiding the groove. From this, through wind channel, rotatory joint portion and sensor cooperation, can assemble the sensor on the wind channel firmly, can guarantee the assembly fastness of sensor to, need not set up the sensor base, can reduce the development cost of whole car, also can reduce the assembly man-hour of wind channel subassembly, thereby can improve the assembly efficiency of wind channel subassembly.

Description

Air duct assembly for vehicle

Technical Field

the utility model relates to the technical field of vehicles, in particular to wind channel subassembly of vehicle and have vehicle of the wind channel subassembly of this vehicle.

Background

with the rapid development of the automobile industry, people have higher and higher requirements on comfort, and an automobile air conditioning system plays a vital role in the whole automobile comfort. The sensor is installed in the unobstructed place of wind channel air current, detects the mobile temperature of the inside wind in wind channel, detects the inside real air-out temperature in wind channel, feeds back the temperature to the air-conditioning box, and the air-conditioning box makes corresponding regulation according to the feedback, is convenient for form the temperature of travelling comfort in the car.

in the related art, the conventional sensor is usually installed on the air duct by using a sensor base, the sensor base is installed on the air duct firstly, and then the sensor is installed on the sensor base, wherein the installation types are two types: the first is to fix the sensor base to the air duct by two rivets and then to mount the sensor to the sensor base. The second is to weld the sensor mount to the air duct by thermal welding and then mount the sensor to the sensor mount.

Wherein, above-mentioned two kinds of mounting forms all need have a sensor base with the sensor assembly to the wind channel, need develop a sensor base alone, increase design and mould cost, the sensor need be through two steps assembly to the wind channel on, increase during the assembly time to, sensor base is no matter all increases corresponding cost through rivet connection or hot melt welding, is unfavorable for the realization of cost, weight reduction target.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an air duct assembly of vehicle to solve the long problem of development cost height and air duct assembly fitter of whole car.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

A vehicle duct assembly comprising: the air duct comprises an air duct, a rotary clamping part and a sensor, wherein a through groove penetrating through the air duct wall is formed in the air duct wall of the air duct, and the through groove is connected with a first avoidance groove; the rotary clamping part is arranged on the outer wall surface of the air duct wall and is provided with a clamping groove; the sensor has first spacing muscle and swinging boom, first spacing muscle can pass through first dodge the groove and stretch into the inside in wind channel, the swinging boom is located the outside in wind channel, it is rotatory the sensor makes the swinging boom can be blocked joint just in the joint inslot first spacing muscle with first dodge the groove and stagger and block and support the internal face of wind channel wall.

In some examples of the present invention, the rotary joint portion includes: the arc-shaped protrusion limits the clamping groove, and is close to the through groove and spaced from the through groove.

In some examples of the present invention, the rotary joint portion further includes: the first guide bulge is arranged at one end of the arc-shaped bulge, and one side, far away from the arc-shaped bulge, of the first guide bulge is provided with a guide surface; spacing arch set up in the bellied other end of circular arc type, the swinging boom joint is in behind the joint groove, spacing protruding backstop the swinging boom.

In some examples of the invention, the sensor has a body and a backstop face, the backstop face set up in the one end of body, the lateral wall face of body has first spacing muscle, the lateral wall face of backstop face has the swinging boom, the free end of swinging boom has the slip arch, the slip arch be suitable for with joint groove joint.

The utility model discloses an in some examples, it still is connected with the second and dodges the groove to link up the groove, the lateral wall face of body still has the spacing muscle of second, the spacing muscle of second can pass through the second dodges the groove and stretches into the inside in wind channel, the protruding joint of sliding is in behind the joint groove, the spacing muscle of second with the second dodges the groove and staggers and block and support the internal face of wind channel wall.

In some examples of the invention, the first groove of dodging the second groove of dodging all runs through the airway wall, the first groove of dodging the second groove of dodging the width difference.

In some examples of the present invention, the outer wall surface of the air duct wall is provided with a second guide protrusion along an edge of the through groove, the first avoidance groove and the second avoidance groove.

In some examples of the invention, the sensor is attached to the end of the second guide protrusion after the air duct is assembled.

In some examples of the invention, the rotating arm is configured as an injection molded part.

In some examples of the invention, the rotating arm has a reinforcing rib.

Compared with the prior art, the wind channel subassembly of vehicle have following advantage:

According to the utility model discloses a wind channel subassembly of vehicle through wind channel, rotatory joint portion and sensor cooperation, can assemble the sensor on the wind channel firmly, can guarantee the assembly fastness of sensor to, need not set up the sensor base, can reduce the development cost of whole car, also can reduce the assembly man-hour of wind channel subassembly, thereby can improve the assembly efficiency of wind channel subassembly.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

Fig. 1 is a schematic view of an air duct assembly according to an embodiment of the present invention;

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

Fig. 3 is a schematic view of an air duct of the air duct assembly according to an embodiment of the present invention;

FIG. 4 is an enlarged view taken at B-B of FIG. 1;

fig. 5 is a schematic view of a sensor of an air duct assembly according to an embodiment of the present invention;

Fig. 6 is a bottom view of a sensor of an air duct assembly according to an embodiment of the present invention.

Description of reference numerals:

An air duct assembly 10;

An air duct 1; the air duct wall 11; a through groove 12; a first avoidance groove 13; a second avoidance slot 14;

a rotary clamping part 2; a clip groove 21; a circular arc-shaped protrusion 22; a first guide projection 23; a limiting bulge 24; a guide surface 25;

A sensor 3; the first stopper rib 31; a rotating arm 32; a body 33; a stop surface 34; a slide projection 35; a second limiting rib 36; a temperature sensing unit 37; a harness connector 38; a reinforcing rib 39;

And a second guide projection 4.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

the present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 6, a duct assembly 10 of a vehicle according to an embodiment of the present invention includes: air flue 1, rotary clamping part 2 and sensor 3. The air duct wall 11 of the air duct 1 is provided with a through groove 12 penetrating through the air duct wall 11, the through groove 12 can be set to be circular, the diameter of the through groove 12 can be set to be 16mm, the through groove 12 is connected with a first avoidance groove 13, and the first avoidance groove 13 can play an avoidance role. The rotation catching portion 2 may be provided on an outer wall surface of the air duct wall 11, and the rotation catching portion 2 may have a catching groove 21. Sensor 3 can have first spacing muscle 31 and swinging boom 32, and first spacing muscle 31 can be through the first inside of dodging groove 13 and stretching into wind channel 1, and swinging boom 32 is located the outside of wind channel 1, and rotation sensor 3 makes swinging boom 32 can be by the joint in joint groove 21 and first spacing muscle 31 staggers and block the internal face of support at wind channel wall 11 with the first groove 13 of dodging.

The sensor 3 further includes a temperature sensing unit 37, the temperature sensing unit 37 extends into the air duct 1, and the temperature sensing unit 37 can sense the temperature of the air passing through the temperature sensing unit 37 and transmit a temperature signal to the air conditioner controller. When the sensor 3 is assembled with the air duct 1, the temperature sensing part 37 is inserted into the through groove 12 on the air duct 1, then the first limiting rib 31 is aligned with the first avoiding groove 13, then the sensor 3 is inserted downwards to enable the first limiting rib 31 to extend into the air duct 1, then the sensor 3 is rotated to enable the rotating arm 32 to be clamped in the clamping groove 21, at the moment, the first limiting rib 31 is abutted to the inner wall surface of the air duct wall 11, and the assembly work of the sensor 3 and the air duct 1 is completed. When the sensor 3 needs to be detached from the air duct 1, the sensor 3 is rotated in the direction opposite to the assembling direction, then the rotating arm 32 slides out of the clamping groove 21, and after the first limiting rib 31 is aligned with the first avoiding groove 13, the sensor 3 is pulled out of the through groove 12, so that the detachment work of the sensor 3 is completed.

Wherein, through the joint of swinging boom 32 in joint groove 21 and the internal face card of first spacing muscle 31 and wind channel wall 11 is supported, can assemble sensor 3 on wind channel 1 firmly, can avoid the position of sensor 3 to take place to remove, thereby can guarantee sensor 3's assembly fastness, and, in sensor 3 assembling process, need not set up sensor base, can save sensor base's mould development cost, can reduce the development cost of wind channel subassembly 10, thereby can reduce the development cost of whole car, and simultaneously, through saving sensor base, also can make sensor 3 simpler with the assembly structure of wind channel 1, can reduce the assembly man-hour of wind channel subassembly 10, thereby can improve the assembly efficiency of wind channel subassembly 10, and then can improve the assembly efficiency of whole car.

From this, through wind channel 1, rotatory joint portion 2 and the cooperation of sensor 3, can assemble sensor 3 on wind channel 1 firmly, can guarantee sensor 3's assembly fastness to, need not set up the sensor base, can reduce the development cost of whole car, also can reduce the assembly man-hour of wind channel subassembly 10, thereby can improve the assembly efficiency of wind channel subassembly 10.

In some embodiments of the present invention, as shown in fig. 4, the rotary joint portion 2 may include: the circular arc protrusion 22, the circular arc protrusion 22 may define the snap-in groove 21, the circular arc protrusion 22 may be disposed near the through groove 12, and the circular arc protrusion 22 is disposed apart from the through groove 12. Wherein, the overall structure of the arc-shaped protrusion 22 is arc-shaped, and the rotating arm 32 is clamped in the clamping groove 21, and the arc-shaped protrusion 22 can limit the radial movement of the rotating arm 32, i.e. under the action of the arc-shaped protrusion 22, the rotating arm 32 cannot move in the radial direction, so that the position stability of the sensor 3 can be ensured.

in some embodiments of the present invention, as shown in fig. 4, the rotary joint portion 2 may further include: first guide protrusion 23 and spacing arch 24, first guide protrusion 23 can set up in the protruding 22 one end of circular arc type, and the one side of keeping away from circular arc type protruding 22 on first guide protrusion 23 has spigot surface 25, and spigot surface 25 has the guide effect. Wherein, the total length of first guide protrusion 23 can be 8mm, the height of first guide protrusion 23 can be 1.7mm, the cross-section of first guide protrusion 23 can be constructed into right trapezoid, the plane at the hypotenuse place of right trapezoid is constructed into guiding surface 25, the contained angle between guiding surface 25 and the outer wall surface of wind channel wall 11 is 145, the top surface of first guide protrusion 23 is the plane that is on a parallel with the outer wall surface of wind channel wall 11, when assembling sensor 3 and wind channel 1, swinging boom 32 can move to the top surface of first guide protrusion 23 along guiding surface 25, last swinging boom 32 can move to the joint inslot 21 along the top surface of first guide protrusion 23 in, therefore, can make swinging boom 32 joint in joint inslot 21 more easily through setting up guiding surface 25, can reduce the assembly degree of difficulty, thereby can further reduce assembly man-hour.

And, spacing arch 24 can set up in the other end of circular arc type arch 22, and after swivel arm 32 joint was in joint groove 21, spacing arch 24 can backstop swivel arm 32. Wherein, on the direction of first guide bulge 23 to spacing arch 24, the height of arc-shaped bulge 22 can increase gradually, and the junction height of arc-shaped bulge 22 and first guide bulge 23 is 1.1mm, and the junction height of arc-shaped bulge 22 and spacing bulge 24 is 2 mm. The overall structure of the limiting protrusion 24 can be constructed in a rectangular shape, the length of the limiting protrusion 24 can be set to be 4mm, the width of the limiting protrusion 24 can be set to be 1.5mm, the height of the limiting protrusion 24 can be set to be 3.5mm, and when the rotating arm 32 is clamped in the clamping groove 21, the limiting protrusion 24 can prevent the rotating arm 32 from continuing to rotate.

In some embodiments of the present invention, as shown in fig. 2, 5 and 6, the sensor 3 may have a body 33 and a stop surface 34, the stop surface 34 may be disposed at one end of the body 33, the side wall surface of the body 33 may have a first limiting rib 31, the width of the first limiting rib 31 may be set to 2.5mm, and the height of the first limiting rib 31 may be set to 2 mm. The side wall surface of the stop surface 34 can be provided with a rotating arm 32, the rotating arm 32 is arranged in parallel with the first limiting rib 31, the length of the rotating arm 32 can be set to be 8.5mm, the free end of the rotating arm 32 can be provided with a sliding protrusion 35, and the sliding protrusion 35 is suitable for being clamped with the clamping groove 21.

Wherein, the sliding protrusion 35 can be set to a cylinder with a diameter of 3mm, the height of the sliding protrusion 35 can be set to 2.3mm, the free end of the sliding protrusion 35 can be provided with a chamfer, when the sensor 3 is assembled with the air duct 1, the temperature sensing part 37 is inserted into the through groove 12, then the first limiting rib 31 is aligned with the first avoiding groove 13, then the sensor 3 is inserted downwards to enable the stop surface 34 to be attached to the outer wall surface of the air duct wall 11, then the sensor 3 is rotated to enable the sliding protrusion 35 to move to the top surface of the first guiding protrusion 23 along the guide surface 25, finally the sliding protrusion 35 can move to the clamping groove 21 along the top surface of the first guiding protrusion 23, and the assembly work of the sensor 3 and the air duct 1 is completed. When the sensor 3 needs to be detached from the air duct 1, the sensor 3 is rotated in the direction opposite to the assembling direction, then the sliding protrusion 35 slides out of the clamping groove 21, and after the first limiting rib 31 is aligned with the first avoiding groove 13, the sensor 3 is pulled out of the through groove 12, so that the detachment work of the sensor 3 is completed.

In some embodiments of the utility model, as shown in fig. 4-6, through groove 12 can also be connected with the second and dodge groove 14, the lateral wall face of body 33 can also have the spacing muscle 36 of second, the width of the spacing muscle 36 of second can set up to 4mm, the height of the spacing muscle 36 of second can set up to 2mm, the spacing muscle 36 of second can dodge groove 14 and stretch into the inside of wind channel 1 through the second, the protruding joint of sliding 35 is behind joint groove 21, the spacing muscle 36 of second dodges the stagger of groove 14 and blocks the internal face of propping at wind channel wall 11 with the second. It should be explained that a first avoidance groove 13 and a second avoidance groove 14 may be disposed on a diagonal line passing through a center of the through groove 12, and the first avoidance groove 13 and the second avoidance groove 14 may be disposed opposite to each other.

the utility model discloses an in some embodiments, first groove 13 of dodging, the second dodges the width of groove 14 different, it is required to explain that, first groove width of dodging groove 13 can set up to 3mm, the second groove width of dodging groove 14 can set up to 4.5mm, it can make the little spacing muscle of width and the first cooperation of dodging groove 13 to set up like this, also can make the big spacing muscle of width and the second cooperation of dodging groove 14, can not make the big spacing muscle of width and the first cooperation of dodging groove 13, thereby can prevent that sensor 3 from loading by mistake, and then can promote assembly efficiency.

When the sensor 3 is assembled with the air duct 1, the temperature sensing part 37 is inserted into the through groove 12, the first limiting rib 31 and the first avoiding groove 13 are aligned, the second limiting rib 36 and the second avoiding groove 14 are aligned, then the sensor 3 is inserted into the sensor 3 downwards, the stop surface 34 is attached to the outer wall surface of the air duct wall 11, the sensor 3 is rotated, the rotating arm 32 on the sensor 3 moves to the clamping groove 21 with the sliding protrusion 35, the rotating arm 32 cannot rotate continuously with the sliding protrusion 35 after the sliding protrusion 35 is clamped in the clamping groove 21, and the sensor 3 is assembled on the air duct 1. When dismantling sensor 3, to the rotatory swinging boom 32 of direction opposite with the assembly direction, the protruding 35 that slides can follow the motion of joint inslot 21 and go out, and the protruding 35 that slides this moment does not dodge the groove with joint groove 21 joint, and first spacing muscle 31 and first dodge groove 13, the spacing muscle 36 of second and the second dodge the groove 14 after aiming at, upwards extract sensor 3 can. Moreover, because the groove widths of the first avoidance groove 13 and the second avoidance groove 14 are different, and the widths of the first limiting rib 31 and the second limiting rib 36 are different, the sensor 3 can be further prevented from being assembled in a wrong way by matching the limiting ribs with different widths and the avoidance grooves with different widths, namely the limiting ribs and the avoidance grooves do not correspond, and the sensor 3 cannot be assembled on the air duct 1.

The utility model discloses an in some embodiments, first groove 13, the second of dodging dodge and groove 14 all can run through wind channel wall 11, so set up and to make first groove 13, the second of dodging dodge groove 14 all communicate with wind channel 1, can guarantee that first spacing muscle 31 and the spacing muscle 36 of second can stretch into inside wind channel 1 to can guarantee that first spacing muscle 31, the spacing muscle 36 of second can support with the internal face card of wind channel wall 11.

in some embodiments of the present invention, as shown in fig. 2 and 4, on the outer wall surface of the air duct wall 11, the second guiding protrusion 4 is provided along the edge of the through groove 12, the first avoiding groove 13, and the second avoiding groove 14, the height of the second guiding protrusion 4 can be set to 2mm, and the thickness of the second guiding protrusion 4 can be set to 1.2 mm. The second guide protrusion 4 has a guiding function, and when the sensor 3 and the air duct 1 are assembled, the temperature sensing part 37 is inserted into the through groove 12, and then the body 33 is matched with the second guide protrusion 4, so that the sensor 3 can be quickly inserted into the through groove 12, and the assembly efficiency can be further improved.

The utility model discloses an in some embodiments, have pencil bayonet joint 38 on the sensor 3, pencil bayonet joint 38 docks with the instrument board pencil, feeds back the signal to the controller, and the controller is received the signal and is handled and send out the signal again and give the air conditioning cabinet, and the air conditioning cabinet is according to the signal that the controller sent, makes corresponding regulation. After the sensor 3 is assembled with the air duct 1, the stop surface 34 is attached to the end of the second guide protrusion 4, so that all structures of the sensor 3 can be prevented from extending into the air duct 1, the wiring harness plug 38 can be arranged outside the air duct 1, the sensor 3 can be ensured to be in butt joint with an instrument board wiring harness, and the working reliability of the sensor 3 can be ensured.

in some embodiments of the present invention, the rotating arm 32 may be configured as an injection molded part. Wherein, at the in-process of assembling sensor 3, utilize the deformation characteristic of injection molding, can with the protruding 35 joint of sliding in joint groove 21 very easily, can save assembly physical power to, at the in-process of dismantling sensor 3, utilize the deformation characteristic of injection molding, also can make the protruding 35 of sliding shift out from joint groove 21 very easily, can make sensor 3 dismantle from wind channel 1 more conveniently.

In some embodiments of the present invention, as shown in fig. 5, the rotating arm 32 may have a reinforcing rib 39 thereon, so as to enhance the structural strength of the rotating arm 32, and prevent the rotating arm 32 from breaking, thereby ensuring the operational reliability of the rotating arm 32.

the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. a duct assembly (10) for a vehicle, comprising:

The air duct comprises an air duct (1), wherein a through groove (12) penetrating through an air duct wall (11) is formed in the air duct wall (11) of the air duct (1), and the through groove (12) is connected with a first avoidance groove (13);

The rotary clamping part (2), the rotary clamping part (2) is arranged on the outer wall surface of the air duct wall (11), and the rotary clamping part (2) is provided with a clamping groove (21);

Sensor (3), sensor (3) have first spacing muscle (31) and swinging boom (32), first spacing muscle (31) can pass through first groove (13) of dodging and stretch into the inside of wind channel (1), swinging boom (32) are located the outside of wind channel (1), it is rotatory sensor (3) make swinging boom (32) can be blocked and connect just in joint groove (21) first spacing muscle (31) with first groove (13) of dodging stagger and block and support the internal face of wind channel wall (11).

2. The vehicular duct assembly (10) according to claim 1, characterized in that the rotary joint (2) includes: the arc-shaped protrusion (22), the arc-shaped protrusion (22) is limited to the clamping groove (21), and the arc-shaped protrusion (22) is close to the through groove (12) and is arranged and spaced apart from the through groove (12).

3. The vehicular duct assembly (10) according to claim 2, wherein the rotary joint portion (2) further includes: the guide device comprises a first guide protrusion (23) and a limiting protrusion (24), wherein the first guide protrusion (23) is arranged at one end of the arc protrusion (22), and a guide surface (25) is arranged on one side, far away from the arc protrusion (22), of the first guide protrusion (23);

spacing arch (24) set up in the other end of the protruding (22) of circular arc type, swinging boom (32) joint is in behind joint groove (21), spacing arch (24) backstop swinging boom (32).

4. The air duct assembly (10) of the vehicle according to claim 3, characterized in that the sensor (3) has a body (33) and a stop surface (34), the stop surface (34) is disposed at one end of the body (33), a side wall surface of the body (33) has the first limit rib (31), a side wall surface of the stop surface (34) has the rotating arm (32), a free end of the rotating arm (32) has a sliding protrusion (35), and the sliding protrusion (35) is adapted to be snapped into the snap groove (21).

5. the air duct assembly (10) of the vehicle according to claim 4, wherein the through groove (12) is further connected with a second avoiding groove (14), the side wall surface of the body (33) is further provided with a second limiting rib (36), the second limiting rib (36) can pass through the second avoiding groove (14) and extend into the inside of the air duct (1), the sliding protrusion (35) is clamped behind the clamping groove (21), and the second limiting rib (36) and the second avoiding groove (14) are staggered and clamped against the inner wall surface of the air duct wall (11).

6. the vehicle air duct assembly (10) according to claim 5, characterized in that the first and second avoiding grooves (13, 14) both extend through the air duct wall (11), the first and second avoiding grooves (13, 14) having different widths.

7. The air duct assembly (10) of a vehicle according to claim 5, characterized in that a second guide projection (4) is provided on the outer wall surface of the air duct wall (11) along the edges of the through groove (12), the first avoiding groove (13), and the second avoiding groove (14).

8. The vehicle air duct assembly (10) according to claim 7, wherein the stop surface (34) abuts an end of the second guide protrusion (4) after the sensor (3) is assembled with the air duct (1).

9. The vehicle air duct assembly (10) of claim 1, wherein the rotating arm (32) is configured as an injection molded part.

10. the vehicular air duct assembly (10) according to claim 1, wherein the rotating arm (32) has a reinforcing rib (39).