For air door and the air door mechanism of automobile air conditioning box
Technical field
The invention belongs to the parts in air conditioning for automobiles, particularly a kind of air door and air door mechanism.
Background technology
Automotive air conditioning device will be realized the face of blowing, blows pin, defrosting isotype regulates, and air door is main governor motion at present, the motion by air door and stop that the Air Flow in guiding air-conditioning box is realized above-mentioned wind direction and regulated.
Come from high-end light truck to driver comfort demand, the regulatory function of air-conditioning should meet user's wish more.
Tradition truck air door structure is made up of air door body and sealing sponge, and air door bulk material is PP-ps40, and sponge material is polyethers foaming (PU) foam sponge, and the mode that sponge is pasted by glue is fixed on air door body.
There is following defect in existing air door structure:
Reliability is poor, and long-time under the air-conditioning box environment of changes in temperature, sponge easily comes off.
Poor sealing, easily ventilative.In the time that controller wire drawing stroke is less than normal or knob is not screwed into gear, the rotational angle of air door can less than normally cause air door thrust less than normal, and the decrement of sponge may be less than 50%, causes air door place to be leaked out.
Sponge material itself is ventilative, due to Cost Problems, seals at present sponge material multiselect polyethers foam sponge, and this sponge material is open cell type, and cost is low, easily ventilative.
Sponge for a long time in air-conditioning box in wet environment, easily mouldy, produce peculiar smell, IAQ is driven in impact.
The controlling organization of pattern throttle linkage is comparatively complicated, need to be to the control that links of several air doors, and control accuracy is had relatively high expectations, and easily causes leaking out.This structure is blown face, is blown pin, defroster door is independently three connecting rods control that links, and this has increased difficulty with regard to the design of giving rotating disk middle guide, and track slightly deviation will cause the problems such as air door clamping stagnation, thrust are little.
Summary of the invention
Technical problem to be solved by this invention, one is to provide that a kind of simple in structure, sealing effectiveness is better, sealing reliability is higher and can reduces the air door for automobile air conditioning box of the peculiar smell that air-conditioning box self causes; Two are to provide a kind of structure optimizes, reduces the air door mechanism for automobile air conditioning box that air door catching phenomenon occurs more.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
For an air door for automobile air conditioning box, comprising:
Air door body, its segment that is inner hollow;
Rotating shaft, it is arranged on the center of described air door body, and described air door body can be around described rotating shaft rotation.
Preferably, the arranged outside of described air door body has frame.
Preferably, the material of described air door body is polypropylene, passes through mold injection molding.
Preferably, the material of described frame is ethylene propylene diene rubber, and described frame forms by the mode of quadric injection mould on described air door body and is connected with described air door body.
Preferably, between described air door body and rotating shaft, be provided with many reinforcements.
Preferably, described rotating shaft is metal material.
For an air door mechanism for automobile air conditioning box, it is provided with the air door for automobile air conditioning box described in above-mentioned any one.
Preferably, for the air door mechanism of automobile air conditioning box, comprising:
Rotating disk, is provided with two gathering sills on it;
Cam disc, insert in described gathering sill its one end, and the rotating shaft of the other end and the described air door for automobile air conditioning box is pegged graft;
In the time of described dial rotation, described gathering sill drives described cam disc to rotate, thereby realizes the rotation of described air door.
Preferably, the material of described rotating disk is polypropylene.
The invention has the beneficial effects as follows:
The quality of fit of air door and housing is higher, and good sealing effect uses the air door inleakage of sponge sealing 5%~10%, and uses the air door inleakage of ethylene propylene diene rubber (EPDM) quadric injection mould sealing can be controlled in 3%.
Air door sealing is by secondary injection molding, and caulking gum is connected and is not easy to come off with air door body, good reliability.
EPDM rubber is mouldy, the phenomenon of peculiar smell can be optimized, and driver comfort is good.
Air door mechanism is simplified, and reduces the generation of air door catching phenomenon, and the control of air door adjusting knob is more even, and maneuverability is good.
Accompanying drawing explanation
Fig. 1 is the stereogram of the air door for automobile air conditioning box provided by the invention;
Fig. 2 is the explosive view of the air door for automobile air conditioning box provided by the invention;
Fig. 3 is the explosive view of the air door mechanism for automobile air conditioning box provided by the invention;
Fig. 4 is the explosive view of another angle of the air door mechanism for automobile air conditioning box provided by the invention;
Fig. 5 is that the air door for automobile air conditioning box provided by the invention and air door mechanism use state diagram;
Fig. 6 is the state diagram while blowing surface model of the air door for automobile air conditioning box provided by the invention and air door mechanism;
Fig. 7 is that the air door for automobile air conditioning box provided by the invention and air door mechanism blow surface model and be transitioned into state diagram while blowing top blast pin pattern;
Fig. 8 is that the air door for automobile air conditioning box provided by the invention and air door mechanism blow the state diagram when blowing pin pattern of top blast pin mode transition;
Fig. 9 is that the air door for automobile air conditioning box provided by the invention and air door mechanism blow the state diagram when blowing pin defrosting mode of pin mode transition;
Figure 10 is the state diagram when blowing pin defrosting mode and being transitioned into defrosting mode of the air door for automobile air conditioning box provided by the invention and air door mechanism.
In figure, Reference numeral is: air door body 1, rotating shaft 2, frame 3, reinforcement 4, rotating disk 5, cam disc 6.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
A kind of air door for automobile air conditioning box (hereinafter to be referred as air door), as depicted in figs. 1 and 2, comprising: 1 rotating shaft 2 of air door body and frame 3.
The segment that air door body 1 is inner hollow, its material is polypropylene (PP), passes through mold injection molding.In the present embodiment, preferably the material of air door body 1 is PP-ps40.
The material of rotating shaft 2 is metal material, in the present embodiment, preferably stainless steel, this rotating shaft 2 is arranged on the center of air door body 1, air door body 12 rotations around the shaft.The arranged outside of air door body 1 has frame 3, and the material of frame 3 is ethylene propylene diene rubber (EPDM), and frame 3 forms by the mode of quadric injection mould on air door body 1 and is connected with air door body 1.The rubber layer of this frame 3 is softer, has elasticity, can play the effect of sealing.
As shown in Figure 2, between air door body 1 and rotating shaft 2, be provided with two reinforcements 4, contribute to increase the intensity of air door body 1.
For an air door mechanism for automobile air conditioning box, it is provided with the above-mentioned air door for automobile air conditioning box.
As shown in Figure 3 and Figure 4, air door mechanism, comprising: rotating disk 5 and cam disc (CAM) 6.
The material of rotating disk 5 is polypropylene, in the present embodiment, and preferably PP-ps40.On this rotating disk 5, be provided with two gathering sills, one for blowing face air door gathering sill, another for defrosting, blow pin air door gathering sill.Therefore, as shown in Figure 5, automobile air conditioning box be divided into blow face region and blow pin, defrosting region.
On each gathering sill, be fitted with an air door by a cam disc (CAM) 6.Cam disc (CAM) 6, insert in gathering sill its one end, and the rotating shaft 3 in the other end and air door is pegged graft.Wherein, be arranged on the air door blowing on face air door gathering sill for blowing face air door, be arranged on defrosting, blow air door on pin air door gathering sill for blowing pin defroster door.
In the time that rotating disk 5 rotates, gathering sill drives cam disc (CAM) 6 to rotate, thereby realizes the rotation of air door.
Concrete rotation process is as follows:
While blowing surface model, as shown in Figure 6, blow face air port open, will blow simultaneously pin, defrosting region close, blow pin, defrosting region calm.
Blow surface model and be transitioned into and blow top blast pin pattern, as shown in Figure 7, blow the rotation of face air door half-open to blowing face, part wind enters into and blows pin defrosting region, now blows pin defroster door in blowing pin standard-sized sheet, defrosting full close position, and blowing pin air port has wind.
Blow top blast pin mode transition when blowing pin pattern, as shown in Figure 8, blow the rotation of face air door and close to the face air port of blowing, all air quantity enter and blow pin defrosting region, now blow pin defroster door in blowing pin standard-sized sheet, defrosting full close position, and blowing pin air port has wind.
Blow pin mode transition when blowing pin defrosting mode, as shown in Figure 9, the face air port of blowing is closed, all air quantity enter and blow pin defrosting region, now blow the rotation of pin defroster door, in blowing pin, defrosting half-open position, blow pin, defrosting outlet has wind (blow pin defroster door turned position difference, can adjust pin, the defrosting outlet air-out ratio of blowing).
When blowing pin defrosting mode and being transitioned into defrosting mode, as shown in figure 10, the face air port of blowing is closed, and blow pin air port and close, defrosting outlet standard-sized sheet, all air quantity enter and blow pin defrosting region, and are blown out by defrosting outlet.
In sum, content of the present invention is not limited in the above-described embodiments, and those skilled in the art can propose other embodiment easily according to guiding theory of the present invention, and these embodiments all comprise within the scope of the present invention.