JPH0410041Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to improvements in synthetic resin molded products such as synthetic resin heater control panels for automobiles.

When making an automobile heater control panel from a synthetic resin molded product, the molded product itself is
It must have properties suitable for use as a structural member, such as price, weight, moldability, and dimensional stability (no distortion due to shrinkage during molding, heat shrinkage, etc.).
On the other hand, in order to give the control lever a sense of moderation in operation, the parts that slide against the metal spring members need to have wear resistance. The synthetic resin materials for the above structural members include ABS resin,
Structural synthetic resins having strength and rigidity such as polypropylene composite materials are suitable, but all of these have poor sliding properties and are inconvenient to use in sliding parts. On the other hand, there are synthetic resin materials with excellent sliding properties, such as polyacetal, polyolefin, nylon, and PBT (polybutylene tereftate) resin, which have excellent wear resistance and a small coefficient of friction, but these have low price and weight. , formability, dimensional stability, and other properties necessary for structural members.
It has some disadvantages compared to ABS resin and polypropylene composite materials.

This invention was devised in view of the above,
A synthetic resin molded product characterized by combining a molded product body made of ABS resin or polypropylene composite material with a sliding part molded product made of polyolefin, polyacetal, nylon, or PBT resin. This is a summary.

Hereinafter, an embodiment in which the present invention is applied to a heater control panel in an automobile will be described in detail with reference to the accompanying drawings. Reference numeral 10 in the drawing denotes a heater control panel body as a molded product body, which is made of ABS resin or polypropylene composite material, which is inexpensive and suitable as a structural member in terms of weight, moldability, and dimensional stability. 12, as shown in FIGS. 2 and 3, is a sliding part molded product having an abbreviated cross-sectional shape and fitted to the arcuate edge of the heater control panel main body 10, Made from polyolefin, polyacetal, nylon, or PBT resin.
14 is an operating lever 20 whose one end is pivotally connected to the heater control panel main body 10 by a pin 16 and has a knob 18 at the other free end;
is a metal sliding member whose one end fork 22 is locked onto the lever 14 and whose hook-shaped free end 24 is brought into elastic contact with the end surface of the sliding member molded product 12. It is a metal fitting. The surface of the sliding part molded product 12 that the free end 24 of the sliding fitting 20 comes into contact with,
A plurality of grooves 26 are provided to give a sense of moderation to the rotation of the operating lever 14. In the case of this embodiment, the sliding part molded product 12 has a projecting edge 28 on the back side of the surface provided with the groove 26, and the projecting edge fits into the groove on the opposing control panel main body 10. By matching, it is locked onto the same panel.

According to the above configuration, the heater control panel main body 10 as a molded product main body is inexpensive and
Light weight, excellent moldability and dimensional stability
Since it is made of ABS resin or polypropylene composite material, there is no problem as a structural material, and the sliding molded part 12 that slides on the metal sliding fitting 20 on the operating lever 14 is made of polyolefin, polyacetal, nylon, etc. Since it is made of PBT resin and has excellent sliding properties, it is possible to provide a device as a whole that is inexpensive, lightweight, and has excellent moldability, dimensional stability, and sliding properties. It is.

The molded product main body 10 and the sliding part molded product 12 may be made separately and mechanically fitted and combined, or they may be integrally combined at the same time as molding by double molding or insert molding. Of course it is possible. Furthermore, the present invention is not limited to the heater control panel described above, but can be widely applied to synthetic resin molded products including sliding parts, such as column switch panels.

As mentioned above, the synthetic resin molded product according to the present invention is
A sliding part molded product made of a sliding synthetic resin such as polyolefin, polyacetal, nylon, PBT resin, etc. is bonded to a molded product body made of a structural synthetic resin such as ABS resin or polypropylene composite. This type of molded product is extremely useful because it is characterized by being inexpensive, lightweight, having good moldability and dimensional stability, and having excellent sliding properties.

[Brief explanation of the drawing]

Fig. 1 is a plan view of an embodiment in which the present invention is applied to an automobile heater control panel, Fig. 2 is a sectional view taken along the - line in Fig. 1, and Fig. 3 is a sectional view taken along the - line in Fig. 1. It is a diagram. 10... Heater control panel main body, 12
...Sliding part molded product, 14...Operation lever, 20...
...Sliding metal fitting, 26...Concave groove.

Claims (1)

[Scope of utility model registration request] A synthetic resin molded product that is made by combining a molded product body made of ABS resin or polypropylene composite material with a sliding part molded product made of polyolefin, polyacetal, nylon, or PBT resin.