JPH0754019Y2 - Radiator structure with mounting pin for drain nipple - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a structure of a radiator mounted on an automobile, and more particularly to a radiator structure having a mounting pin that also serves as a drain nipple.

[Prior Art] Generally, an automobile is equipped with a radiator for cooling engine cooling water, and this radiator is provided with a means for discharging the internal cooling water.

For example, FIG. 5 is a front view showing a lower half portion of a radiator 1 ″ for an automobile. The radiator 1 ″ is provided with a lower tank 2 at a lower portion thereof, and a lower tank 2 is provided below both ends of the lower tank 2. Has mounting pins 4 and 4 protruding therefrom. The radiator 1 ″ is attached to the automobile body by fixing the attachment pins 4, 4 to a body side member of the automobile (not shown).

A drain nipple 8 and a drain cock 3 are provided below the lower tank 2 as a means for discharging the cooling water in the radiator 1 ″.
Is provided between the mounting pins 4 and 4 as a separate body from these pins 4 and 4.

Therefore, in order to discharge the cooling water, the drain cock 3 may be twisted so that the inside of the lower tank 2 and the flow path 8a inside the drain nipple 8 communicate with each other.

[Problems to be solved by the invention] However, in the above-described conventional radiator structure, the drain nipple 8 is separately provided separately from the mounting pins 4 and 4, so that the drain nipple 8 is damaged by flying stones or the like. There was a problem that it was easy to do. In addition, the drain nipple 8 which is independently provided may reduce the space efficiency in the lower portion of the radiator.

The present invention has been devised in view of such problems,
It is an object of the present invention to provide a radiator structure with a drain nipple / mounting pin, which is capable of avoiding damage to the drain nipple and improving the space efficiency under the radiator.

[Means for Solving the Problems] For this reason, the radiator structure with the drain nipple and the mounting pin of the present invention is provided in the lower part of the lower tank of the radiator body in order to mount the radiator body to the vehicle body in the radiator mounted on the vehicle. A mounting pin fitted to the side of the automobile body, a hole extending vertically inside the mounting pin, one end communicating with the inside of the lower tank, and a communication part with the upper end of the hole formed in the middle. A drain cock mounting hole, the other end of which opens to the outer side surface of the lower tank, and a drain cock mounting hole that is mounted in the drain cock and closes the drain cock mounting hole at one end side of the communicating portion in a liquid-tight manner and the outer side surface of the lower tank In addition, it is configured such that the hand grip portion has a drain cock exposed, and the mounting pin also serves as a drain nipple. It is characterized by that.

[Operation] In the radiator structure with the mounting pin also serving as the drain nipple of the present invention described above, since the mounting pin is configured to also serve as the drain nipple, a separate drain nipple is not required, and the drain nipple also serves as the mounting pin. Is fitted to the body side of the automobile, and is protected by the body side portion.

Also, since the drain cock is separated from the nipple so that the hand grip is exposed on the outer side surface of the lower tank, the liquid tightness of the drain cock is ensured even if the nipple is damaged when the radiator is installed. Further, the cooling water can be easily extracted through the hand grip exposed on the outer side surface of the lower tank.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.
1 to 3 show a radiator structure with a drain nipple and a mounting pin as a first embodiment of the present invention.
The figure is a front view of the lower half thereof, FIG. 2 is a side view of the lower half thereof (a view in the direction of arrow II of FIG. 1), and FIG. 3 is III-III of FIG.
FIG. 4 is a sectional view taken in the direction of the arrow, and FIG. 4 is a front view of the lower half portion of the radiator showing a radiator structure with a drain nipple and mounting pins as a second embodiment of the present invention.

In the radiator structure with the mounting pin also serving as the drain nipple of the first embodiment, as shown in FIGS. 1 and 2, the lower tank 2 is provided at the lower part of the radiator 1, and the mounting pin 4, below the both ends of the lower tank 2. 5 is projected. The mounting pins 4 and 5 are columnar ones made of the same metal as the body of the radiator 1 and have rubber mounts 6 and 6 on each outer circumference.
7 is installed.

Then, as shown in FIG. 2, the radiator 1 is configured such that the rubber mounts 6, 7 are fitted into the mounting holes 10a of the mount bracket 10 as a mounting member which is mounted on the body side. It is attached to the body side via. The mount bracket 10 is a mounting bolt.
It is attached to the front cross member 9 of the body through 11a and a mounting nut 11b.

As shown in FIG. 3, one of the mounting pins 5 has a hole 5a formed therein for communicating with the lower tank 2 in the radiator 1, so that the mounting pin 5 also serves as a drain nipple. Is configured. And lower tank 2
A drain cock mounting hole 8 is formed in the drain cock mounting hole 8, and the drain cock 3 is mounted in the drain cock mounting hole 8. One end of the drain cock mounting hole 8 communicates with the inside of the lower tank 2, a communication portion 8a with the upper end of the hole 5a is formed in the middle, and the other end opens to the outer side surface of the lower tank 2. Further, an opening / closing port 3a that can be opened and closed through the drain cock 3 is provided on one end side of the drain cock mounting hole 8 with respect to the communicating portion 8a with the inside of the lower tank 2. Note that reference numeral 3b
Is an O-ring that seals the opening / closing port 3a when closed.

Further, the drain cock 3 has a cock body 3c that closes the opening / closing port 3a through the O-ring 3b in the drain cock mounting hole 8.
And a hand grip 3d exposed on the outer side surface of the lower tank 2 so that the cock body 3c can be opened and closed from the outer side surface of the lower tank 2 through the hand grip 3d.

Since the radiator structure with the drain nipple and the mounting pin as the first embodiment of the present invention is configured as described above, when the cooling water in the lower tank 2 is discharged, the drain cock 3 is twisted to open and close the opening / closing port. It suffices to open 3a and connect the inside of the lower tank 2 with the hole 5a.

The mounting pin 5 that also serves as the drain nipple is protected by the mounting bracket 10, which is a mounting member, by mounting the mounting pin 5 on the body.
The collision of flying stones can be prevented and the damage can be avoided. In particular, in this embodiment, since the mounting pins 4 and 5 are covered with the rubber mounts 6 and 7, collisions of flying stones or the like on the mounting pins 4 and 5 are reliably prevented. In other words, the rubber mounts 6 and 7 of this embodiment have the effect of protecting the mounting pins 4 and 5 in addition to the effect of preventing vibration of the radiator 1 and the effect of preventing abnormal noise from being generated in the radiator mounting portion. .

In this way, the radiator structure with the mounting pin that also serves as the drain nipple can prevent damage to the drain nipple and eliminates the need for a dedicated drain nipple, thus improving the space efficiency of the lower part of the radiator and further reducing the cost by reducing parts. Can also be obtained.

Further, since the drain cock 3 is separated from the nipple portion and the hand grip 3d is exposed on the outer side surface of the lower tank 2, when the radiator 1 is attached,
Even if the nipple portion 5 is damaged, there is an advantage that the influence on the liquid tight state created by the drain cock 3 can be avoided, and the cock body 3c can be opened and closed from the outer side surface of the lower tank 2 through the hand grip portion 3d. There is also an advantage that the operability of the drain cock 3 itself at the time of draining the cooling water is improved.

Next, the radiator structure with the drain nipple and mounting pin of the second embodiment will be described. The structure of the radiator 1'of this embodiment is, as shown in FIG. 4, a rubber mount 6 in the radiator 1 of the first embodiment. , 7 are omitted, and the other parts are constructed similarly to the first embodiment.

In the radiator structure according to the second embodiment, the mounting pins 4 and 5 are protected by the mount bracket 10.
In the same way as in the example, avoiding damage to the drain nipple, improving space efficiency under the radiator and reducing costs, and ensuring the liquid tightness of the drain cock when the nipple is damaged and the operability of the drain cock itself. The effect such as euphoria can be obtained.

In each of the above-described embodiments, the radiator 1, 1'is attached to the body side via the mount bracket 10,
It is also conceivable to mount the radiators 1, 1'on the body side without the mount bracket 10.

[Effect of the Invention] As described in detail above, according to the radiator structure with the drain nipple and the mounting pin of the present invention, in the radiator mounted on the vehicle, the lower part of the lower tank of the radiator body is mounted so that the radiator body is mounted on the vehicle body. A mounting pin fitted to the vehicle body side, a hole extending vertically inside the mounting pin, one end communicating with the inside of the lower tank, and a communicating part with the upper end of the hole formed on the way. A drain cock mounting hole having the other end opened to the outer side surface of the lower tank, and a drain cock mounting hole that is mounted in the drain cock mounting hole to liquid-tightly close the drain cock mounting hole at one end side of the communicating portion and It is configured to have a drain cock on the outer side surface of which the grip is exposed, and the mounting pin also serves as a drain nipple. Therefore, the effect of avoiding damage to the drain nipple and
In addition to the effect that the space efficiency under the radiator can be improved, the manufacturing cost of the radiator itself can be reduced.

Furthermore, since the drain cock is separated from the nipple part and the hand grip part is exposed on the outer side surface of the lower tank, even if the nipple part is damaged when the radiator is attached, etc. There is also an advantage that the influence on the liquid-tight state can be avoided, and the operability of the drain cock itself at the time of draining the cooling water becomes good.

[Brief description of drawings]

1 to 3 show a radiator structure with a drain nipple and a mounting pin as a first embodiment of the present invention.
The figure is a front view of the lower half thereof, FIG. 2 is a side view of the lower half thereof (a view in the direction of arrow II of FIG. 1), and FIG. 3 is III-III of FIG.
FIG. 4 is a sectional view taken in the direction of the arrow, FIG. 4 is a front view of the lower half portion of the radiator showing a radiator structure with a drain nipple and a mounting pin as a second embodiment of the present invention, and FIG. 5 shows a conventional radiator structure. It is a front view of the lower half part of the radiator shown. 1,1 ′ …… Radiator, 2 …… Lower tank, 3 …… Drain cock, 3a …… Opening / closing port, 3b …… O ring, 3c …… Cock body, 3d …… Hand grip, 4 …… Mounting pin, 5 ... Drain nipple dual-purpose mounting pin, 5a ... hole, 6,7 ... rubber mount, 8 ... drain cock mounting hole, 8a ... communication part, 9 ...
… Front cross member, 10 …… Mount bracket,
10a: Mounting bracket 10 mounting holes, 11a: Mounting bolts, 11b: Mounting nuts.

Claims (1)

[Scope of utility model registration request] 1. A radiator mounted on an automobile, comprising:
A mounting pin that is provided at the lower part of the lower tank of the radiator main body for mounting the radiator main body to the automobile body, and is fitted to the automobile body side, a hole extending vertically inside the mounting pin, and one end inside the lower tank. A drain cock mounting hole that is in communication with the upper end of the hole and is formed in the middle with the other end open to the outer side surface of the lower tank, and at the one end side of the communicating part that is mounted in the drain cock mounting hole. The drain cock mounting hole is liquid-tightly closed, and a drain cock having a hand grip portion exposed on an outer side surface of the lower tank is provided, and the mounting pin is configured to also serve as a drain nipple. Radiator structure with mounting pin for both drain and nipple.