JPH0557467U - Anti-vibration rubber - Google Patents

Abstract

(57) [Abstract] [Purpose] To simplify the installation work of the anti-vibration rubber 1 in the anti-vibration rubber 1 to be attached to the counterpart member having the hole. In addition, we will reduce the cost and lighten the weight of the product to meet the market needs that make the product lighter. [Structure] The insertion portion 5 of the mounting member 3 is inserted into the hole of the mating member, and the pushing block 7 of the insertion portion 5 is pushed toward the receiving block 6. When the push-in block 7 is pushed in, the width of the inserting portion 5 is widened to prevent it from coming off from the mating member, and the convex portion 12 of the push-in block 7 is received by the receiving block 6.
It is press-fitted into the concave portion 11 and the retaining state is locked. The number of parts is one. The mounting member 3 is made of resin.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to an improvement of a vibration proof rubber. The anti-vibration rubber of the present invention is used, for example, as an anti-vibration rubber for small precision equipment.

[0002]

[Prior Art]

 Conventionally, as shown in FIG. 4, an anti-vibration rubber body 41 made of a rubber-like elastic material, which is attached to a mating member 21 having holes 22, and a metallic attachment portion material 43. It is known that The mounting member 43 includes a seat plate portion 44 fixed to the anti-vibration rubber body 42, a bolt portion 45 protruding from the seat plate portion 44 and inserted into the hole 22, and a nut 46 screwed into the bolt portion 45. (See Japanese Utility Model Laid-Open No. 62-196946).

[0003]

[Problems to be solved by the device]

 The above conventional technique has the following problems. When mounting the anti-vibration rubber 41 on the mating member 21, at least one of the bolt portion 45 side and the nut 46 must be rotated many times in order to screw the bolt portion 45 and the nut 46 together. For this reason, the mounting work requires a lot of trouble and time. Moreover, it is difficult to automate the mounting work. The nut 46 is a separate component with respect to the bolt portion 45 side, and thus the vibration damping rubber 41 is composed of a plurality of components. For this reason, it is troublesome to handle each component individually, and the manufacturing cost and the mounting cost (total cost) are generally high. Since the mounting member 43 including the nut 46 is made of metal, the weight of the product is heavy. Therefore, it is not possible to meet the market needs for product weight reduction.

[0004]

[Means for Solving the Problems]

 In view of the above points, the present invention has been devised in order to solve the problems found in the above-mentioned prior art, and in order to achieve this object, an anti-vibration rubber attached to a mating member having a hole is provided. A vibration-proof rubber main body made of rubber-like elastic material and a resin-made mounting member, the mounting member being fixed to the vibration-proof rubber main body, a seat plate portion protruding from the seat plate portion, A receiving block having an inserting portion to be inserted into the hole, the inserting portion being arranged on the seat plate side, a pushing block arranged to face the receiving block, the receiving block and the pushing block. A plurality of connecting blocks connecting the blocks, the blocks are connected to each other through a thin flexible portion, the receiving block is provided with a concave portion, and the pressing block is provided with a convex portion which is press-fitted into the concave portion. And said The anti-vibration characterized in that the insertion portion has a width dimension that can be inserted into the hole before the convex portion is press-fitted into the concave portion, and has a width dimension that cannot be removed from the hole after the press-fitting. Provide rubber.

[0005]

[Action]

 Insert the insertion part of the mounting member into the hole of the mating member, and push the insertion block of the insertion part toward the receiving block. When the push-in block is pushed in, the width of the insertion part widens to prevent it from coming off the mating member, and the convex part of the push-in block is press-fitted into the concave part of the receiving block to lock the lock-out state. Therefore, according to the present invention, the installation work is a one-touch operation of inserting the insertion portion into the hole of the mating member and then pushing the push-in block, so that the installation work can be performed easily. According to the present invention, the number of parts is one. Further, according to the present invention, since the mounting member is made of resin, the product weight is lighter than the prior art.

[0006]

【Example】

 Next, an embodiment of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 and 2, the vibration isolating rubber 1 includes a vibration isolating rubber main body 2 made of a rubber-like elastic material having a cylindrical shape, and a resin mounting member 3. The mounting member 3 is a disc-shaped seat plate portion 4 fixed to an axial end portion (upper end portion in FIG. 1) of the vibration-proof rubber main body 2, and a center portion of one surface (upper surface in FIG. 1) of the seat plate portion 4 protruding from the center. It has the insertion part 5 provided. The insertion part 5 has a plurality of blocks 6, 7, and 8. That is, first, the receiving block 6 is arranged on the side of the seat plate portion 4, the pressing block 7 is arranged facing the receiving block 6, and a plurality of pressing blocks 7 are arranged on both the left and right sides of FIG. 1 to connect the receiving block 6 and the pressing block 7. Connection blocks 8 (two on each side) are arranged. For convenience, the six blocks 6, 7 and 8 each have a certain length in the vertical direction in FIG. 2, are arranged in parallel with each other, and are arranged in a substantially “b” shape when viewed from the direction in FIG. The matching blocks 6, 7 and 8 are connected to each other via a thin flexible portion 9. The center surrounded by the six blocks 6, 7 and 8 is a cavity 10 which penetrates in the vertical direction in FIG. The receiving block 6 is provided with a concave portion 11, and the pressing block 7 is provided with a convex portion 12 which is press-fitted into the concave portion 11. Engagement protrusions 13 and engagement recesses 14 that engage with each other at the opening edges of the recesses 11 and the roots of the protrusions 12 to prevent the protrusions 12 from coming out of the recesses 11 are formed. Further, the insertion portion 5 has a width dimension a that can be inserted into the hole 22 (a <b, where b is the width of the hole 22) before the convex portion 12 is pressed into the concave portion 11 (state of FIG. 1). After the insertion (state of FIG. 3), it has a width dimension a'which cannot be removed from the hole 22 (a '> b).

When attaching the vibration-proof rubber 1 having the above-described structure to the mating member 21, the insertion portion 5 of the mounting member 3 is inserted into the hole 22 of the mating member 21 in the posture shown in FIG. 1, and then as shown by an arrow in FIG. The push-in block 7 of the insertion portion 5 is received and pushed toward the block 6. When the push-in block 7 is pushed in, the width of the insertion portion 5 is expanded from a to a'to prevent the mating member 21 from coming off, and the convex portion 12 of the push-in block 7 is pressed into the concave portion 11 of the receiving block 6 to come off. Stopped state is locked.

The anti-vibration rubber 1 having the above structure has the following effects. The attaching work for attaching the vibration isolating rubber 1 to the mating member 21 is extremely simple as compared with the prior art. This is because there is no component to be rotated at the time of mounting, that is, the mounting can be completed by a one-touch operation of only pushing the pushing block 7 after inserting the insertion portion 5 into the hole 22 of the mating member 21. In addition, the installation work can be automated with a push-type machine. Since the number of parts is one, it is easier to handle the anti-vibration rubber 1 as compared with the prior art. In addition, manufacturing costs, installation costs, and other costs (total costs) can be reduced overall. Since the mounting member 3 is made of resin and the weight of the product is lighter than that of the conventional technology, it is possible to meet the market needs for the weight reduction of the product.

[0010]

[Effect of the device]

 The present invention has the following effects. The mounting work for mounting the anti-vibration rubber to the mating member is extremely simple. This is because there are no parts to rotate when installing, that is, the installation can be completed by one-touch work of inserting the insertion part into the hole of the mating member and then pressing the pressing block. Also, if you have a push-type machine, you can automate the installation work. Since the number of parts is one, the anti-vibration rubber is easy to handle. In addition, manufacturing costs and installation costs (total costs) can be reduced. Since the mounting member is made of resin and the weight of the product is lighter than that of the conventional technology, it is possible to meet the market needs for product weight reduction.

[Brief description of drawings]

FIG. 1 is a front view of the main part of a vibration-proof rubber according to an embodiment of the present invention.

FIG. 2 is a plan view of the vibration isolating rubber.

FIG. 3 is a front view of an essential part showing a mounting state of the vibration isolator.

FIG. 4 is a front view showing a mounting state of a vibration-proof rubber according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Anti-vibration rubber 2 Anti-vibration rubber main body 3 Mounting member 4 Seat plate part 5 Insertion part 6 Receiving block 7 Push-in block 8 Connection block 9 Flexible part 10 Cavity part 11 Recessed part 12 Convex part 13 Engagement convex part 14 Engagement recessed part 21 Mating member 22 holes

Claims (1)

[Scope of utility model registration request] 1. An anti-vibration rubber 1 to be attached to a mating member 21 having holes 22. The anti-vibration rubber 1 comprises an anti-vibration rubber body 2 made of rubber-like elastic material and a resin-made attachment member 3, and the attachment member 3 is The seat plate portion 4 is fixed to the anti-vibration rubber body 2, and the insertion portion 5 is provided so as to project from the seat plate portion 4 and be inserted into the hole 22. The insertion portion 5 is on the side of the seat plate portion 4 side. And a plurality of connecting blocks 8 that connect the receiving block 6 and the pressing block 7 to each other. , 7, 8 are connected through a thin flexible portion 9, a recess 11 is provided in the receiving block 6, and a recess 11 is provided in the pushing block 7.
Is provided with a protrusion 12 that is press-fitted into the hole 22. The insertion part 5 has a width dimension a that can be inserted into the hole 22 before the protrusion 12 is press-fitted into the recess 11, and after the press-fitting, from the hole 22. An anti-vibration rubber having a width dimension a'that cannot be removed.