JPS6328203B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a shutter for a vehicle or other radiator.

This type of conventional radiator shutter, as shown in FIGS. 1 and 2, includes a rectangular frame 1, a pair of left and right vertical frames 2 fixed in the frame 1, and a space between the vertical frames 2 and 2. A pair of fixed upper and lower horizontal frames 3, a pair of operating rods 4 movably arranged along the vertical frames 2, 2, and two pins each provided at both ends are connected to the vertical frames 2 and 2, respectively. A plurality of vanes 5 are pivotally connected to the operating rod 4 and are pivotally supported in parallel between the vertical frames 2, 2 and between the operating rods 4, 4, and the operating rod 4.
and the frame 1, and the operating rod 4
The spring 6 has a tendency to move upward, that is, in the direction of opening the vane 5, and the spring 6 is fixed to the frame 1, is connected to a negative pressure generating part of the engine (not shown), and is controlled by a shutter starter (not shown). When the operation lever is turned and activated, the 4
The vane body 8 is made of a pultruded aluminum material, and the vane body 8 is made of pultruded aluminum material. Or it is molded by resin molding and has two pins 9a, 9.
b, and a pair of support arms 9 fastened to both ends of the vane body 8, and the pin 9
a, 9b are inserted into holes 2a, 4a provided in the vertical frame 2 and operating rod 4, respectively. Circlips 1 are inserted into grooves provided in the pins 9a, 9b to prevent the pins from coming off later.
0 was designed to be fitted (Fig. 2), the support arm 9 was caulked and the circlip 10
There were problems in that it took a long time to fit the parts, the assembly time was long, and the number of parts was large. Furthermore, since the vane body 8, the vertical frame 1, the horizontal frame 3, and the operating rod 4 were made of aluminum material formed by pultrusion, there was a drawback that the weight of the entire shutter was heavy. In addition, in the case of the above structure, it is inevitable that some errors will occur in the attachment angle of each support arm 9 to each vane main body 8, the pitch of each hole 2a and 4a, etc., so when the shutter is closed, all vanes 5 There was a problem that it was not possible to completely block the In addition, if metal is used for the two parts that make up the vane pivot joint, namely the pin and the hole, metallic noise will be generated from the vane pivot joint when the vane 5 opens and closes or when vibrations due to wind occur while driving. There were problems such as increased noise and the need to supply lubricating oil to the vane joint.

In view of the above-mentioned problems, the present invention consists of integrally molding the vane main body and support arm by press molding a thin metal plate such as an iron plate or resin molding, and providing a hole for the vane pivot in the support arm.
The vertical frame, horizontal frame, and operating rod are formed by press-molding thin metal plates such as iron plates, and pins for supporting the vane are integrally molded with resin material on the vertical frame and operating rod, and the operating rod is attached to the vertical frame. A bent part is provided to prevent it from coming off, shortening assembly time and reducing the number of parts.
The purpose is to provide a radiator shutter that is lighter in weight, has improved accuracy, reduces noise, and does not require the supply of lubricating oil.The following is an example of the conventional example shown in Figures 3 to 5. The same reference numerals are assigned to the same members, and 12 is formed by press-molding a thin metal plate such as an iron plate, and a plurality of pins 12a for supporting the vane are integrally molded from a resin material. The vertical frame 13 is formed by press-forming a thin metal plate such as an iron plate, and has both ends attached to the ends of the vertical frames 12, 12. The horizontal frame 14 is inserted and caulked, and the operating rod 14 is formed by press-molding a thin metal plate such as an iron plate, and a plurality of pins 14a for supporting the vane are integrally molded from a resin material.
Reference numeral 15 designates a vane main body 18 and a support arm 19 integrally formed by press molding a thin metal plate such as an iron plate or resin molding, and a hole 1 for a vane pivot that fits into the support arm 19 with pins 12a and 14a.
9a and 19b are provided with vanes.

Since the radiator shutter according to the present invention is constructed as described above, the pin 12a of the vertical frame 12
After fitting the holes 19a and 19b of each vane 15 to the pin 14a of the operating rod 14, the horizontal frame 13 is simply caulked to the vertical frame 12, and the vertical frame 12, horizontal frame 13, and operating rod 14 are connected. The assembly of each vane 15 is completed, and the bending portion 12b of the vertical frame 12 prevents the operating rod 14 from coming off. Therefore, the assembly time is significantly shortened, and the number of parts and assembly man-hours are also significantly reduced because circlips and the like are no longer required. In addition, since the vane body 18 is molded by press molding of a thin metal plate or resin molding, and the vertical frame 12, horizontal frame 13, and operating rod 14 are molded by press molding of thin metal plates, the weight of the entire shutter is light. Become. Also, vane body 1
8 and support arm 19 are integrated, the error in the mounting angle of each support arm 19 with respect to each vane main body 8 is reduced. Also, since each pin 12a and 14a are both integrally molded, each pin 12a and 14
The pitch error of a is also extremely small. Therefore,
Since these precisions are improved, all vanes 15 can be completely closed when the shutter is closed. In addition, since a resin material is used for the pins 12a and 14a, which are at least one of the two parts constituting the vane pivot joint, metal may be removed from the vane pivot joint by opening and closing of the vane 5 or vibrations caused by the wind while driving. No sound is generated, which helps reduce noise. Furthermore, there is no need to supply lubricating oil to the vane pivot joint.

Incidentally, if necessary, the vane body 18 may be bent into a shape that allows the air leak prevention seal to be attached by caulking. 18 can be made even thinner.

Further, unlike the above embodiment, only one operating rod 14 may be used, and in that case, there is no need to provide a hole 19b in the support arm 19 to be attached to the other end of the vane body 18.

As mentioned above, the radiator shutter according to the present invention reduces assembly time, reduces the number of parts, reduces overall weight, improves accuracy, reduces noise, and eliminates the need for lubricating oil supply. It has many important practical advantages.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway perspective view of a conventional radiator shutter, FIG. 2 is a sectional view taken along the line shown in FIG. 1, and FIG. 3 is a partially cutaway perspective view of an embodiment of a radiator shutter according to the present invention. , FIG. 4 is a sectional view taken along the line of FIG. 3, and FIG. 5 is an enlarged perspective view of the main part of the above embodiment. 1... Frame, 6... Spring, 7... Negative pressure actuator, 12... Vertical frame, 12a...
Pin, 13...Horizontal frame, 14...Operation rod, 14a...
...pin, 15...vane, 18...vane body,
19...support arm, 19a, 19b...hole.

Claims (1)

[Claims] 1. A pair of left and right vertical frames fixed within the frame;
a pair of upper and lower horizontal frames fixed between the pair of vertical frames;
For a radiator, comprising an operating rod movably arranged along the vertical frame, and a plurality of vanes that are pivotally supported between the pair of vertical frames and parallel to the operating rod, and are opened and closed by movement of the operating rod. For a radiator in a shutter, the vertical frame and the operating rod are molded by press-molding a thin metal plate, and a pin for supporting a vane is integrally molded on the vertical frame and the operating rod from a resin material. Shutter. 2 A pair of left and right vertical frames fixed within the frame,
a pair of upper and lower horizontal frames fixed between the pair of vertical frames;
For a radiator, comprising an operating rod movably arranged along the vertical frame, and a plurality of vanes that are pivotally supported between the pair of vertical frames and parallel to the operating rod, and are opened and closed by movement of the operating rod. A shutter for a radiator, characterized in that the vertical frame is formed by press-molding a thin metal plate, and the vertical frame is provided with a bending part to prevent the operating rod from coming off. 3 A pair of left and right vertical frames fixed within the frame,
a pair of upper and lower horizontal frames fixed between the pair of vertical frames;
A radiator comprising an operating rod movably arranged along the vertical frame, and a plurality of vanes that are pivotally supported between the pair of vertical frames and parallel to the operating rod, and are opened and closed by movement of the operating rod. The vane is formed by press-molding a thin metal plate or by resin molding, so that the vane main body and the support arm are integrally molded, and the support arm is provided with a hole for pivoting the vane. Shutter for radiator. 4. The radiator shutter according to claim 3, wherein the vane main body is bent into a shape that allows an air leak prevention seal to be caulked thereto.