JP3444472B2 - Engine radiator support device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support device for supporting a radiator on an engine.

[0002]

2. Description of the Related Art Generally, in a water-cooled engine, a radiator is supported in front of the engine, and cooling water that has been warmed through a water jacket of the engine is circulated to the radiator for cooling.

Conventionally, such a radiator is supported in front of the engine as follows. That is, as shown in FIG. 9, for example, stays (45) are fixed to the left and right sides of the engine, respectively, and the lower part of the radiator (1) is placed on the angle (46) fixed to the stays (45). I support you. A connecting plate is provided between the stays (45) to reduce the rolling of the stays (45) due to the vibration of the engine (E).
(47) is bridged, and the connecting plate (47) and each stay (45) are fixed using bolts (48) and nuts (49).

[0004]

However, the above-described conventional radiator supporting device has the following problems.
That is, since the radiator (1) is close to above the connecting plate (47), when the bolt (48) and the nut (49) are fastened to each other, or when the bolt (48) and the nut (49) are tightened together. The radiator (1) becomes an obstacle when removing, and the above-mentioned tightening and removing work cannot be performed easily.

Also, for example, when replacing the fan belt arranged in front of the engine (E), the stay (4
The fan belt will be replaced with the connecting plate (47) removed from (5).
Remove the nut (49) from the (8) and further attach the bolt (48) to the connecting plate (4
The connecting plate (47) cannot be removed from the stay (45) without removing it from the stay (45). For this reason, it takes time and effort to replace the fan belt. SUMMARY OF THE INVENTION It is an object of the present invention to easily attach and remove a connecting member that connects stays that support a radiator.

[0006]

[Invention of Claim 1] In order to achieve the above-mentioned object, the invention of Claim 1 is, for example, as shown in FIG.
2 and FIG. 2, it is configured as follows. A plurality of stays (6) are fixed to the engine (E), the stays (6) are extended from the engine (E), and the stays (6) support the radiator (1). A support device for an engine radiator,
(6) A pinching means (15) which constitutes a columnar body (12) of a size that can be bridged between and is screwed into both ends of the columnar body (12).
And a notch (11) into which the columnar body (12) or the sandwiching means (15) can be fitted is provided at the tip of each stay (6), and the columnar body (12) or the sandwiching means (15) is attached to the stay ( 6) Notch
By tightening the holding means (15) in a state of being fitted in the (11), the stay (6) is provided with the receiving portions (13) provided on both ends of the columnar body (12) and the holding means (15). Columnar body sandwiched between
(12) is configured to be fixed.

[Invention of Claim 2] The invention of Claim 2 is configured as follows in the configuration of the invention of Claim 1 above. On both ends of the columnar body (12), the receiving portion (13)
Each of them is provided with a collar portion, and the holding means (15) and the columnar body are provided.
The stay (6) is sandwiched by the collar portion (13) of (12).

[Invention of Claim 3] Further, the invention of Claim 3 is configured as follows in the configuration of the invention of Claim 1 or 2 above. The engine (E) has a working unit (3) driven by the engine (E) arranged between the engine (E) and the columnar body (12).

[0009]

[Claim 1] The invention according to claim 1 operates as follows, as shown in FIGS. 1 and 2, for example. The radiator (1) is supported by each stay (6), so that the radiator (1) is supported by the engine (E).

The columnar body (12) or the holding means (15)
When each of the stays (6) is fitted into the notches (11) and the holding means (15) is tightened in that state,
(6) is sandwiched between the receiving portion (13) of the columnar body (12) and the sandwiching means (15). As a result, each stay (6) has a columnar body (1
2) is fixed, and each stay (6) is inserted through the columnar body (12).
Are connected and fixed to each other. As a result, the rigidity of the stay (6) is increased, and the rolling of the stay (6) is reduced. Also,
When the holding means (15) is loosened, the columnar body (12) can be removed from the stay (6) simply by pulling the columnar body (12).

[Claim 2] The invention according to claim 2 further operates as follows. When the holding means (15) is tightened, the collar portion (13) of the columnar body (12) and the holding means (15) sandwich the stay (6) to provide the above-mentioned collar portion (13). The contact area between the collar portion (13) and the stay (6) is increased by that much, and the columnar body (12) is firmly fixed to each stay (6).

[Claim 3] The invention according to claim 3 further operates as follows. When the clamping means (15) is loosened as described above, the columnar body (1) is simply pulled by pulling the columnar body (1).
By being able to remove 2) from the stay (6),
Even when the working part (3) is mounted after the engine (E) is assembled, the columnar body (12) which interferes with the mounting work can be easily removed.

[0013]

EFFECTS OF THE INVENTION [Claim 1] The invention of claim 1 has the following effects because it is constructed and operates as described above. The columnar body is fixed to each stay simply by tightening each sandwiching means and sandwiching the stay by the receiving portion of the columnar body and the sandwiching means, and by loosening each sandwiching means and pulling the columnar body, Since it can be removed from the stay, it is possible to easily attach and remove the columnar body.
Accordingly, for example, even when the fan belt arranged in the engine is replaced, the columnar body that interferes with the replacement work of the fan belt can be easily removed, and the labor and time for the replacement work of the fan belt can be reduced. be able to.

[Claim 2] Since the invention of claim 2 is constructed and operates as described above, in addition to the effect of the invention of claim 1, the following effect is further exhibited. Since the stay is sandwiched between the holding means and the brim portion of the columnar body, the contact area between the brim portion and the stay becomes large and each stay is firmly fixed by the columnar body, whereby the stays are more firmly connected. Fixed. Therefore, the rigidity of the stay is further increased, and the rolling of the stay is further reduced.

[Claim 3] The invention of claim 3 has the following effects because it is constructed and operates as described above. Even if the work part is attached after the engine is assembled, the columnar body that interferes with the mounting work can be easily removed because the work can be easily installed and removed. Can be easily arranged.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a support device for an engine radiator according to the present invention will be described below with reference to FIGS. 1 to 5. 1A is a front view of the engine showing a part of the supporting device in a cross section, FIG. 1B is an enlarged sectional view of a part of the supporting device, and FIG. 2 is a side view of the engine. FIG. 3 is a view for explaining the attachment of the columnar body to the stay of the supporting device, FIG. 4 is a rear view of the engine, and FIG. 5 is an attachment surface of a cylinder block formed for attaching the attachment plate of the starter motor. It is a figure.

In front of the engine (E), an engine
A radiator (1) connected to a water jacket (not shown) of (E) is arranged, and a lower portion of the radiator (1) is supported by a supporting device (2). In addition, radiator (1)
The side portion of the engine is also supported by the engine (E) by another supporting device (not shown). A work pump (3) used for work outside the engine is arranged on the lower part of the front surface of the engine (E). The work pump (3) is driven by the engine (E) by being connected to a balancer shaft (not shown) in the engine (E).

Further, a starter motor (4) is arranged at the rear of the engine (E), and a gear (not shown) provided on the drive shaft of the starter motor (4) is provided around the flywheel (5). It is engaged with the formed gear part. The flywheel (5) is connected to the crankshaft (10).

As shown in FIGS. 1 and 2, the supporting device (2) is constructed as follows. That is, the engine
A pair of stays (6) extending forward (to the right in FIG. 2) of the engine (E) are fixed to both left and right sides of the engine (E). At the top of the front end of those stays (6), L angle
(7) are fixed, and a cylindrical grommet (8) made of synthetic rubber or the like is fitted into a hole (7a) provided on the upper surface of the L angle (7).

The grommet (8) has the above-mentioned radiator.
An engaging projection (9) provided at the lower end of (1) is fitted inside. As a result, the radiator (1) is supported by the stay (6) via the grommet (8), which makes it difficult for the vibration of the engine (E) to be transmitted to the radiator (1).

On the other hand, each stay (6) has a notch (11) extending rearward from its front end [tip portion], and the notch (11) of each stay (6) has a circle. Both ends of the columnar body (12) are fitted into each other.
As shown in FIG. 3, the notch (11) is formed by inclining obliquely downward from the front end of the stay (6), whereby the columnar body (12) extends to the inner side of the notch (11). It is easy to fit.

The columnar body (12) is constructed as follows. That is, male screw parts (14) are formed on both ends of the columnar body (12), respectively. Then, the nuts are screwed into the male screw portions (14), respectively, and the nuts are fixed to the male screw portion (14) by welding or the like to form the collar portion (13) as a receiving portion. is there. The dimension between the collar portions (13) is set according to the interval between the stays (6).

Then, as shown in FIG. 3, both ends of the columnar body (12) are fitted into the notches (11) of each stay (6) from the front of each stay (6) [right side in FIG. 3]. [Refer to the chain double-dashed line diagram in Fig. 3], nut [holding means] (15)
From the side of (E), they are screwed into the male screws (14) at both ends of the columnar body (12). As a result, the stays (6) are clamped by the nuts (15) and the collar portions (13), and the columnar bodies (12) are fixed to the stays (6). On the other hand, by loosening the nut (15) and pulling the columnar body (12) toward the front of the stay (6), the columnar body (12) can be easily removed from the stay (6).

As shown in FIGS. 4 and 5, the starter motor (4) is attached to the engine (E) as follows. That is, the cell motor (4) is fixed to the mounting plate (17), and the mounting plate (17) is mounted on the front surface of the cylinder block (19) by two bolts (18). ) Fixed.

As shown in FIG. 5, the mounting surface (20) of the mounting plate (17) has a boss portion (21) and boss portions (22) (25) formed to have large diameters, respectively. Long ribs (23) provided to connect the bosses (22) and (25), and short ribs (24) extending from the long ribs (23) toward the center of the flywheel (5).
Composed of and. Further, female screw portions (26) are formed on the above boss portions (21) (25), respectively.
The mounting plate (17) is fixed to the mounting surface (20) by tightening the bolt (18) to the (26) via the mounting plate (17) [state of FIG. 4] ].

Thus, the mounting surface (20) and the mounting plate
Boss (22) (25) to increase the contact area with (17)
Since the diameter of is increased and the short rib (24) is further provided, the mounting plate (17) is firmly fixed to the cylinder block (19). As a result, rattling of the mounting plate (17) due to vibration of the engine (E) is reduced, and the engagement between the gear of the starter motor (4) and the gear portion around the flywheel (5) is reliably maintained. it can.

As shown in FIGS. 6 (A) and 6 (B), the supporting device (2) can be modified as follows, for example. That is, this modified example has substantially the same configuration as that of the above-described embodiment and is different in the following points. That is, the columnar body (12) is formed into a pipe shape, and the columnar body (29)
Female thread portions (30) are formed at both ends of the inner peripheral surface of the. Further, a collar portion (31) as a receiving portion is provided at each end of the columnar body (29).

Then, each female screw part (30) of the columnar body (29)
The bolts [sandwiching means] (32) are screwed into the respective screws, and in that state they are fitted into the notches (11) of the stays (6) and the bolts
By tightening (32), the bolt (32) and the collar
Each stay (6) is sandwiched between (31) and
The columnar body (29) is fixed to (6). Further, when removing the columnar body (29) from the stay (6), the columnar body (29) can be pulled out from the notch (11) of the stay (6) simply by loosening the bolt (32).

As shown in FIG. 6B, the collar portion (3
1) shows a columnar body when tightening the bolt (32) by notching a part of the peripheral edge part and fitting a notch (33) into the cutout part (33) to prevent rotation. (29) can be prevented from being accompanied. Further, the end face of the columnar body (29) is directly used as a receiving part without providing the collar part (31), and the stay (6) is sandwiched between the end face of the columnar body (29) and the bolt (32). Then, the columnar body (29) may be fixed to the stay (6).

The columnar body can be manufactured, for example, as follows, as shown in FIG. That is, the pipe (35) is compressed in the axial direction, and the collar portions (36) as receiving portions are bulged and formed on both ends of the pipe (35). Further, female screw parts (37) are formed at both ends of the inner peripheral surface of the columnar body formed by the pipe (35).

Then, the both ends of the columnar body (35) are fitted into the notches (11) of the stays (6), respectively, and the female screw portions of the columnar body (35) are inserted from the side of the engine (E). By tightening the bolt [clamping means] (38) into (37),
The stays (6) are sandwiched by the bolts (38) and the flange portions (36), and the columnar bodies (35) are fixed to the stays (6). Also, by simply loosening the bolt (38), the columnar body (35)
Can be pulled out from the notch (11) of the stay (6). It should be noted that the flange portion (36) may be formed with a cutout portion similarly to the above-described flange portion (31).

Further, in the above description, the vibration isolator of the radiator (1) is constituted by the cylindrical grommet (8), but the invention is not limited to this, and as the vibration isolator of the radiator (1), for example, It may be configured as shown in FIG. That is, the radiator mounting plate (40) is fixed to the lower end portion of the radiator (1), and the pair of upper and lower elastic bodies made of synthetic rubber or the like (holes 7a) of the L angle (7) of the stay (6) described above. Fit 41a) and 41b).

Then, the bolt (42) is attached to the elastic body (41a).
(41b) is penetrated and screwed to the nut (43) fixed to the radiator mounting plate (40), so that the radiator
The vibration isolation device of (1) is configured. Further, a pin (44) for preventing removal is attached to the upper end of the bolt (42). A gasoline engine, a diesel engine, or the like is applied as the engine (E).

[Brief description of drawings]

FIG. 1 is a view showing an embodiment of a supporting device for an engine radiator according to the present invention, and FIG. 1 (A) is a front view of the engine showing a part of the supporting device in section;
(B) is an enlarged sectional view of a part of the supporting device.

FIG. 2 is a side view of the engine.

FIG. 3 is a diagram illustrating how the columnar body of the supporting device is attached to a stay.

FIG. 4 is a rear view of the engine.

FIG. 5 is a view showing a mounting surface of a cylinder block formed for mounting a mounting plate of a starter motor.

6A and 6B are views showing a modified example of a radiator supporting device according to the present invention, FIG. 6A is a cross-sectional view of a columnar body according to the modified example, and FIG. 6B is a columnar body according to the modified example. FIG.

FIG. 7 is a cross-sectional view showing another modified example of the radiator supporting device according to the present invention.

FIG. 8 is a cross-sectional view showing another example of a vibration isolator for a radiator.

FIG. 9 is a cross-sectional view showing a conventional radiator supporting device.

[Explanation of symbols]

1 ... radiator, 6 ... stay, 11 ... notch of stay,
12 ・ 29 ・ 35… Columnar body, 15… Nut [Clamping means], 13 ・ 31 ・
36 ... Collar part [reception part], 32/38 ... Bolt [clamping means], E ... Engine.

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-60-75713 (JP, A) Actual opening S50-8334 (JP, U) Actual opening S50-8335 (JP, U) Actual opening S57- 25126 (JP, U) Actual development Sho 63-84495 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) F01P 3/18

Claims (3)

(57) [Claims] 1. A plurality of stays (6) are fixed to an engine (E), the stays (6) are extended from the engine (E), and the radiator (1) is attached to the stays (6). A support device for an engine radiator configured to support, the columnar body (12) sized to be bridged between the stays (6).
The columnar body (12) is configured with a pinching means (15) screwed into both ends thereof, and the columnar body (12) or the notch (11) into which the pinching means (15) can be fitted is formed. The columnar body (12) or the sandwiching means (15) is provided at the tip of each stay (6) and the stay (6) is attached to the stay.
In the state of being fitted in the notch (11) of (6), the holding means (1
By tightening (5), the stay (6) and the holding means (1) provided at both ends of the columnar body (12) and the sandwiching means (1).
5) A supporting device for an engine radiator, characterized in that the columnar body (12) is fixed in a state of being sandwiched between and. 2. The engine radiator supporting device according to claim 1, wherein flange portions as the receiving portions (13) are respectively provided on both end sides of the columnar body (12), and the holding means (15). ) And the collar portion (13), the stay (6)
A support device for an engine radiator, characterized in that it is configured so as to sandwich it. 3. The engine radiator supporting device according to claim 1, wherein the engine (E) includes the engine (E) and the columnar body (1).
Working part (3) driven by the above engine (E) between
A support device for an engine radiator, which is characterized in that: