JPH04121456U - air cleaner mount rubber - Google Patents

Abstract

(57) [Summary] [Purpose] To lower the spring rate of the mount rubber inserted into the air cleaner mounting part and to improve the durability. [Configuration] Mount rubber 2 with bolt hole 5 in the center
A recess 13 recessed radially inward from the outer peripheral surface is provided,
The portion left between the bottom surface 13a of the recess 13 and the bolt hole 5
Ribs 16 and 15 are provided on both the inner and outer surfaces of 2a or on either surface. The ribs 16 may be divided and provided at positions corresponding to the upper and lower recesses 13, respectively. At both corner edges of the bottom of the annular recess 10 for fitting the stay member formed between the upper and lower recesses 13, recesses bulge outward in the axial direction from the recess 10 and further extend inward in the radial direction. form 17.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention is an air cleaner for an automobile engine installed in the engine or in the engine room. Regarding the structure of the mount rubber inserted into the mounting part when installing it on a wall etc. Ru.

0002

[Prior art]

For example, in Japanese Utility Model Application Publication No. 57-42159, an air purifier (air cleaner) installed on an engine is disclosed. This air cleaner is also attached to the engine head and carburetor. On the engine side, there is a The stay member is attached to the engine head via an elastic body (mount rubber) with a bolt. It is fastened and installed.

0003 The mount rubber has a pair of mutually disposed parts near the longitudinal center of its outer peripheral surface. The stay member is placed in a recess formed between these projections. It is accepted. Also, between one of the convex portions and the upper end of the mount rubber, A recess is provided in the mount rubber, and a recess is provided between the other protrusion and the lower end of the mount rubber. A recess is also provided. These upper and lower recesses adjust the spring rate of the mount rubber. Provided to prevent vibration transmission by lowering the spring rate as much as possible In order to do this, it is necessary to make the recess deep.

0004

[Issue to be solved]

However, if the recess is made deeper, the thickness of the mount rubber in this area becomes thinner. This will reduce the durability of the mount rubber.

[0005]

[Means and actions for solving the problem]

This invention was made in view of these circumstances, and in this invention, A mount rubber that is inserted into the mounting part of the Aculina, and has a bolt hole in the center. a recess recessed radially inward from the outer circumferential surface, the bottom of the recess; At least the recess is formed on either the inner or outer surface of the portion left between the surface and the bolt hole. A rib is formed extending in the axial direction of the bolt hole over a width range of the bolt hole.

[0006] According to this idea, the parts that have become thin due to the formation of recesses are reinforced with ribs. This improves the durability of the mount rubber, but on the other hand, the recess is deepened and the mount is The spring rate of the rubber can be made sufficiently low.

[0007] In another invention, the mount rubber is inserted into the air cleaner mounting part. , a stay that has a bolt hole in the center and opens on the circumferential surface in the axially intermediate part of the bolt hole; It has an annular recess for fitting parts, and a radial recess from the outer peripheral surface on both sides. It has a recess that is recessed inward, and a collar member is fitted into the bolt hole. , on the inner circumferential surface of the bolt hole at a position corresponding to at least one of the recesses. A rib is provided that extends continuously in the axial direction from one side to a position corresponding to the other recess. .

[0008] According to this invention, an annular recess for fitting the stay member is formed between the recesses on both sides. It is possible to reinforce thin-walled areas by using a collar with ribs inserted into bolt holes. It also functions as a protrusion for temporarily fixing parts, making it easier to assemble the air cleaner mounting part. becomes easier.

[0009] In still another aspect of the present invention, a mounting bracket inserted into the mounting portion of the air cleaner is provided. In bars that have an annular recess opening on the circumference for fitting the stay member, the front bulges outward in the axial direction from the annular recess at both upper and lower corners of the bottom of the annular recess, respectively. Together with this, a recess is formed which further extends radially inward.

0010 According to this invention, the recess further extending from the bottom of the annular recess allows the mount rack to be The spring rate of the bar is lowered and the recess allows the bar to be inserted into the annular recess. The inner edge of the tape member may come into contact with the mount rubber and damage the mount rubber. Durability is improved because there is no scratches.

[0011]

【Example】

Figure 1 is a cross section showing the air cleaner mounting part using the mount rubber according to the present invention. In the figure, an air cleaner 1 has a mounting part 3 into which a mount rubber 2 according to the present invention is inserted. Through the wheel apron formed in the wheel house 4 on the side of the engine room Installed in 4a.

0012 The mount rubber 2 has a bolt hole 5, into which a collar member 6 is fitted. The bolt 7 passing through the collar member 6 connects the mount rubber 2 and the collar part. material 6 is fastened onto the wheel apron 4a via a washer 9. mount An annular recess 10 that is open on the circumferential surface is provided in the axially intermediate portion of the rubber 2. A stay member 11 is fitted into the annular recess 10. The stay member 11 is attached to the air cleaner 1. A circular hole 12 is provided in a portion that is integrally molded and is fitted into the annular recess 10.

[0013] In this way, the mount rubber 2 is attached to the apron 4a and the air Vibration transmission between the apron 4a and the air cleaner 1 by intervening between the apron 4a and the air cleaner 1 However, since air cleaner 1 is relatively lightweight, it provides sufficient vibration damping effect. , the spring rate of mount rubber 2 must be quite low (small). . Therefore, in order to lower the spring rate, the upper and lower parts of the annular recess 10 are respectively A recess 13 is provided which is recessed radially inward from the outer peripheral surface. Bottom 13a of recess 13 is formed in an arc shape to avoid stress concentration, but with sufficient spring rate In order to obtain this, this recess 13 must be quite deep, so the bottom 13 The wall thickness of the portion adjacent to a becomes thinner, and the durability decreases.

[0014] Therefore, in the first embodiment of the present invention, as shown in FIGS. 2 and 3, Bottle the mount rubber portion 2a left between the bottom surface 13a of the recess 13 and the bolt hole 5. The length is approximately equal to the width w of the recess 13 on the surface on the bolt hole 5 side, that is, the circumferential surface of the bolt hole 5. A rib 14 extending in the direction of the long axis L is provided in a protruding manner. A plurality of ribs 14 are arranged at equal intervals in the circumferential direction. (three in the figure) are provided. These ribs 14 are said thin-walled mounts The rubber portion 2a is reinforced, thus improving the durability of the portion 2a. In other words, By providing the rib 14, the recess 13 can be removed while maintaining the durability of the mount rubber 2. can be made deep enough to obtain the desired spring rate.

[0015] The collar member 6 fits into the bolt hole 5 as described above, but the mount rubber 2 Since it is an elastic body, even if the rib 14 protrudes from the circumferential surface of the bolt hole 5, the collar member 6 Insertion is possible. Rather, the elastic force of the rib 14 causes the collar member 6 to move into the bolt hole 5. Since the mounting portion 3 is fixed and temporarily fixed, the work of assembling the mounting portion 3 is facilitated.

[0016] 4 and 5 show a second embodiment of the mount rubber of the present invention. This example In this case, the axis L is attached to the outer surface of the mount rubber portion 2a, that is, the bottom surface 13a of the recess 13. A plurality of ribs 15 are provided at equal intervals in the circumferential direction. These ribs 15 are Needless to say, it has the same durability improvement effect as the rib 14.

[0017] In the third embodiment of the present invention shown in FIG. In the direction of the axis L from the position corresponding to the part 13-1 to the position corresponding to the lower recessed part 13-2. A continuously extending rib 16 is provided in a protruding manner. This rib 16 has a recess 13-1 and a recess 13-2. In addition to reinforcing the thin wall portions 2a and 2a due to the annular recess 10, the thin wall portion 2b is also compensated for. strengthen The rib 16 does not extend to the upper and lower end surfaces of the mount rubber 2, but extends to the circumferential surface of the bolt hole 5. It is desirable to leave portions where the ribs 16 do not protrude at both upper and lower end portions. child By doing this, it becomes easy to insert the collar member 6 into the bolt hole 5.

[0018] FIG. 7 shows a fourth embodiment of the present invention. In this embodiment, the stay member 11 is Annular recesses are provided at both upper and lower corner edges 10b, 10b of the bottom 10a of the annular recess 10 to be fitted. 10, a concave portion 17 that bulges outward in the axial direction and further extends inward in the radial direction; 17 are formed. These recesses 17 are similar to the recesses 13 in each of the above embodiments. , serves to lower the spring rate of the mount rubber 2. Furthermore, the stay member 11 The edge 12a of the circular hole 12 provided has a sharp corner as a result of hole processing by die cutting or the like. However, the portion of the annular recess 10 that contacts the edge 12a is easily damaged. By providing such a recess 17, contact between the annular recess 10 and the edge 12a can be avoided. As a result, the durability of the mount rubber 2 is improved.

[0019] The means for improving the durability of the mount rubber in each of the above embodiments are not necessarily different from each other. It is not necessary to apply them alone, but all or some of these It is also possible to use both in one mount rubber. For example, the mouse shown in Figure 8 The inner rubber 2 includes a rib 15 shown in FIGS. 4 and 5, a rib 16 shown in FIG. 6, and a recess 17 shown in FIG. ing.

[0020]

[Effect of the idea]

According to the present invention of claim 1, the thinned portion due to the formation of the recess becomes the rib. Since it is further reinforced, the durability of the mount rubber is improved, but on the other hand, the recess is deepened. The spring rate of the mount rubber can be lowered sufficiently.

[0021] According to the present invention of claim 2, the stay member fitting portion formed between the recesses on both sides. Thin walled areas can be reinforced by the annular recess, and the rib can be inserted into the bolt hole. It also functions as a protrusion for temporarily fixing the collar member, making it easy to assemble the air cleaner mounting part. This makes the work easier.

[0022] According to the present invention of claim 3, the structure further extends from the bottom of the annular recess for fitting the stay member. The recess reduces the spring rate of the mount rubber, and the recess also lowers the spring rate of the mount rubber. , the inner edge of the stay member fitted into the annular recess contacts the mount rubber and the mount Since it does not damage the inner rubber, durability is improved.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing an air cleaner mounting portion using a mount rubber according to the present invention.

FIG. 2 is a longitudinal sectional view of the mount rubber according to the first embodiment of the present invention.

FIG. 3 is a sectional view taken along line III-III in FIG. 2;

FIG. 4 is a longitudinal sectional view of a mount rubber according to a second embodiment of the present invention.

5 is a sectional view taken along line V-V in FIG. 4. FIG.

FIG. 6 is a longitudinal sectional view of a mount rubber according to a third embodiment of the present invention.

FIG. 7 is a sectional view showing an air cleaner mounting portion using a mount rubber according to a fourth embodiment of the present invention.

FIG. 8 is a longitudinal sectional view of a mount rubber showing still another embodiment of the present invention.

[Explanation of symbols]

1...Air cleaner, 2...Mount rubber, 3...Mounting part,
4...Wheel house, 5...Bolt hole, 6...Collar member,
7... Bolt, 9... Washer, 10... Annular recess, 11... Stay member, 12... Circular hole, 13... Recess, 14, 15, 16... Rib, 17... Recess.

Claims (3)

[Scope of utility model registration request] Claim 1: A mount rubber (2) inserted into the mounting part (3) of the air cleaner (1), which has a bolt hole (5) in the center and has a concave part recessed radially inward from the outer peripheral surface. (13), the bottom surface of the recess (13)
Ribs (14, 15) extending in the direction of the axis L of the bolt hole at least over the width range of the recess are formed on either the inner or outer surface of the portion (2a) left between the portion (2a) and the bolt hole. The air cleaner mount rubber is characterized by: 2. A mount rubber (2) inserted into the mounting part (3) of the air cleaner (1), which has a bolt hole (5) in the center, and has a bolt hole (5) on the circumferential surface at the middle part of the bolt hole in the direction of the axis L. It has an annular recess (10) that is open for fitting the stay member, and has recesses (13) recessed radially inward from the outer circumferential surface on both sides of the annular recess (10), and a collar member (6) is installed in the bolt hole. When fitted, a rib (16) is provided on the inner circumferential surface of the bolt hole that extends continuously in the axial direction from at least a position corresponding to one of the recesses to a position corresponding to the other recess. The air cleaner mount rubber is characterized by: 3. A mount rubber (2) inserted into a mounting portion (3) of an air cleaner (1), which has an annular recess (10) for fitting a stay member that opens on the circumferential surface,
A recess (17) is formed at both corner edges (10b) of the bottom of the annular recess, respectively, bulging outward from the recess in the direction of the axis L of the mount rubber and further extending inward in the radial direction. Features air cleaner mount rubber.