CN210062622U

CN210062622U - Automobile air conditioner air door rocker arm

Info

Publication number: CN210062622U
Application number: CN201921015426.9U
Authority: CN
Inventors: 田伟; 黄自训; 杨盼盼; 向东
Original assignee: Dongfeng Paine Automotive Aluminum Heat Exchanger Co Ltd
Current assignee: Dongfeng Paine Automotive Aluminum Heat Exchanger Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-02-14
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses an automobile air conditioner air door rocker arm, which comprises a rocker arm shaft and a fan-shaped toothed plate which are connected, wherein the rocker arm shaft is inserted in an inner hole of the automobile air conditioner air door shaft, and the inner hole of the automobile air conditioner air door shaft is an air door splined hole; the rocker shaft is connected to the circle center of the sector toothed plate; the rocker shaft comprises a guide section and a positioning section; the diameter of the guide section is smaller than that of the splined hole of the air door; the location section is in transition fit with the air door spline hole, and the outer wall of the location section is provided with a spline matched with the air door spline hole. The utility model discloses the spline structure of well mistake proofing function can prevent that the operator from adorning by mistake in the assembling process, reduces the risk and the later stage dysfunction of the repeated dismouting of labourer. The clearance between the guide section and the air door hole is larger, and the guide section has larger inclination, so that the guide section can be conveniently and smoothly inserted into the air door shaft hole. The location section adopts transition fit, reduces the volume of rocking after air door rocking arm and air door assembly, guarantees the accuracy of air door position to reduce customer complains and improve and drive the travelling comfort.

Description

Automobile air conditioner air door rocker arm

Technical Field

The utility model relates to a vehicle air conditioner spare part technical field, particularly a vehicle air conditioner air door rocking arm.

Background

The cooperation of present vehicle air conditioner air door rocking arm and air door generally adopts direct bayonet, and the cooperation of air door hole and rocking arm is clearance fit usually, and this kind of direct bayonet structure has following not enough: is not easy to assemble, can not effectively prevent mistake and has larger fit clearance. Therefore, there is a pressing need for an optimized modification of the existing damper rocker arm structure.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide an automobile air conditioner air door rocking arm through carrying out segmentation processing to air door rocking arm axle, has not only improved the assembling nature, has reduced fit clearance moreover.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a rocker arm of an air door of an automobile air conditioner comprises a rocker arm shaft and a sector toothed plate which are connected, wherein the rocker arm shaft is inserted into an inner hole of the air door shaft of the automobile air conditioner, and the inner hole of the air door shaft of the automobile air conditioner is an air door splined hole; the rocker arm shaft is connected to the circle center of the sector toothed plate; the rocker shaft comprises a guide section and a positioning section; the diameter of the guide section is smaller than that of the splined hole of the air door; the location section is in transition fit with the air door spline hole, and the outer wall of the location section is provided with a spline matched with the air door spline hole.

The further improvement lies in that: the die drawing angle of the guide section is 1-2 degrees; the die drawing angle of the positioning section is 0-0.3 degrees.

The further improvement lies in that: the unilateral of the fit clearance between the guide section and the inner hole of the air door shaft is 0.15 mm.

The further improvement lies in that: the length of the positioning section is 5-8 mm.

The further improvement lies in that: the guide section and the positioning section are of an integrated structure.

The further improvement lies in that: and a connecting shaft is arranged at one end of the guide section, which is far away from the positioning section.

The further improvement lies in that: and an expansion head is arranged at the free end of the connecting shaft.

The further improvement lies in that: the diameter of the connecting shaft is smaller than that of the guide section.

The further improvement lies in that: the arc edge of the sector toothed plate is provided with a plurality of clamping teeth.

The beneficial effects of the utility model reside in that:

the utility model discloses a to the sectional treatment of rocking arm axle, improve the assembly nature to improve labor efficiency, reduce operator's intensity of labour and complain. The fit clearance is reduced, so that the risk that the air conditioner air door is not opened in place is reduced, the comfort of the automobile air conditioner is improved, and complaints of customers in the use process are reduced. The error-proofing treatment is adopted, so that the repeated disassembly of the air conditioner assembly caused by error assembly in the assembly process of the air conditioner assembly is reduced, and resources are wasted; secondly, the function abnormity of the product in the using process of the client after misloading is avoided.

Drawings

FIG. 1 is a schematic structural view of an air door rocker arm of an automobile air conditioner in an embodiment of the present invention;

fig. 2 is a schematic structural view of a toothed sector plate in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a rocker arm shaft according to an embodiment of the present invention.

Reference numerals:

1-a rocker shaft; 11-a positioning section; 12-a guide section; 13-a connecting shaft; 14-an expansion head;

2-a sector toothed plate; 21-latch.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Referring to fig. 1, the embodiment of the utility model provides a vehicle air conditioner air door rocking arm, including consecutive rocking arm axle 1 and fan-

shaped pinion rack

2, 1 cartridge of rocking arm axle is in vehicle air conditioner air door axle's hole, and this vehicle air conditioner air door axle's hole is the air door splined hole.

Referring to fig. 2, the rocker shaft 1 is connected to the circle center of the toothed sector plate 2; specifically, the arc-shaped edge of the sector-shaped toothed plate 2 is provided with a plurality of latches 21. In this embodiment, the rocker arm shaft 1 and the toothed sector plate 2 are of an integrated structure.

Referring to fig. 3, the rocker shaft 1 includes a guide section 12 and a positioning section 11; the guide section 12 and the positioning section 11 are of an integrated structure. The diameter of the guide section 12 is smaller than that of the splined hole of the air door; location section 11 and air door spline hole transition fit, and the outer wall of location section 11 is provided with the spline with air door spline hole looks adaptation. In this embodiment, an irregular spline structure is adopted. Specifically, the die drawing angle of the guide section 12 is 1-2 degrees; the die drawing angle of the positioning section 11 is 0-0.3 degrees. The single side of the fit clearance between the guide section 12 and the inner hole of the air door shaft is 0.15 mm. The length of the positioning section 11 is 5-8 mm. Preferably, the end of the guiding section 12 remote from the positioning section 11 is provided with a connecting shaft 13. The free end of the connecting shaft 13 is provided with an expansion head 14. The diameter of the connecting shaft 13 is smaller than the diameter of the guide section 12.

The utility model discloses insert one section axle of air door hole with the air door rocking arm and divide into two sections, one section is used for the direction, and the insertion of the air door rocking arm of being convenient for, the guide structure of air door rocking arm axle anterior segment promptly, great with the clearance in air door hole, great inclination has simultaneously, and the smooth air door that inserts of this section of being convenient for is downthehole. One section adopts transition fit with the air door hole in addition, and the air door of being convenient for reduces the fit clearance in the location of rocking arm, adopts transition fit promptly, reduces the volume of rocking after air door rocking arm and the air door assembly, guarantees the accuracy of air door position to reduce customer complains and improve and drive the travelling comfort. And simultaneously, the spline structure is convenient for error proofing. Prevent that the operator from assembling the in-process misloading, reduce the risk and the later stage dysfunction of repeated dismouting of labourer.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims

1. The utility model provides a vehicle air conditioner air door rocking arm, includes continuous rocking arm axle (1) and fan-shaped pinion rack (2), rocking arm axle (1) cartridge is in vehicle air conditioner air door shaft's interior hole, its characterized in that: the inner hole of the automobile air conditioner air door shaft is an air door spline hole; the rocker arm shaft (1) is connected to the circle center of the sector toothed plate (2); the rocker arm shaft (1) comprises a guide section (12) and a positioning section (11); the diameter of the guide section (12) is smaller than that of the splined hole of the air door; location section (11) and air door spline hole transition fit, and the outer wall of location section (11) is provided with the spline with air door spline hole looks adaptation.

2. An air conditioner damper rocker arm for an automobile according to claim 1, wherein: the die drawing angle of the guide section (12) is 1-2 degrees; the die drawing angle of the positioning section (11) is 0-0.3 degrees.

3. An air conditioner damper rocker arm for an automobile according to claim 1, wherein: the single edge of the fit clearance between the guide section (12) and the inner hole of the air door shaft is 0.15 mm.

4. An air conditioner damper rocker arm for an automobile according to claim 1, wherein: the length of the positioning section (11) is 5-8 mm.

5. An air conditioner damper rocker arm for an automobile according to claim 1, wherein: the guide section (12) and the positioning section (11) are of an integrated structure.

6. An air conditioner damper rocker arm for an automobile according to claim 1, wherein: and a connecting shaft (13) is arranged at one end of the guide section (12) far away from the positioning section (11).

7. An air conditioner damper rocker arm for an automobile according to claim 6, wherein: and an expansion head (14) is arranged at the free end of the connecting shaft (13).

8. An air conditioner damper rocker arm for an automobile according to claim 6, wherein: the diameter of the connecting shaft (13) is smaller than that of the guide section (12).

9. An air conditioner damper rocker arm for an automobile according to claim 1, wherein: the arc-shaped edge of the sector toothed plate (2) is provided with a plurality of clamping teeth (21).