JP2013108555A - Antivibration bracket - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technique capable of surely automatically discriminating a several types of antivibration brackets having shapes different from one another by using the same equipment, in an antivibration bracket for mounting an antivibration device.SOLUTION: This antivibration bracket 1 is used for mounting an engine mount 3 interposed between an engine side and a vehicle body side to the vehicle body side. The antivibration bracket includes: first and second fastening surfaces 7a, 17a fastened to a side frame and located on the same plane with respect to each other; a third fastening surface 27a fastened to a tire house and inclined with respect to the first and second fastening surfaces 7a, 17a; and an extension surface 37 formed continuously to the third fastening surface 27a and directed nearly in the same direction as those of the first and second fastening surfaces 7a, 17a. The positional relationship among the first fastening surface 7a, the second fastening surface 17a and the third fastening surface 27a remains unchanged, and a groove 47 representing the type of the bracket is formed on the extension surface 37.

Description

  The present invention relates to a vibration isolating bracket for attaching a vibration isolating device interposed between a vibration source side and a vibration receiving side to the vibration receiving side.

  A vibration isolator (including a liquid-sealed type) that includes a mounting bracket that is attached to the vibration source side, a mounting bracket that is attached to the vibration receiving side, and a rubber elastic body that connects these mounting brackets is attached to the vibration receiving side. In many cases, the mounting legs formed on the mounting bracket are bolted directly to the vibration receiving side member, or the mounting bracket is mounted to a vibration-proof bracket bolted to the vibration receiving side.

  For example, in Patent Document 1, by bending the plate piece of the vibration isolating member along the cross-sectional shape of the engaging portion with respect to the engaging portion provided on the bracket attached to the fixed side (vibration receiving side), A technique for assembling a vibration isolating member to a bracket is disclosed.

  In addition, in the vibration isolator, in order to suppress the occurrence of defective characteristics of the vibration isolator due to an assembly error of each assembly, a plurality of notches are formed on the orifice forming wall. In addition, there is also one provided with an identification means for identifying each notch from other notches (for example, Patent Document 2).

JP 2004-290999 A Japanese Patent No. 4338585

  By the way, the shape of the vibration isolator varies depending on the required characteristics, and the shape of the vibration isolator bracket to which the vibration isolator is attached varies according to the shape of the vibration isolator. Therefore, in order to prevent an assembly error with the vibration isolator, it is necessary not only to identify the vibration isolator as described above, but also to identify the anti-vibration bracket.

  However, it is unrealistic for an operator to identify the vibration-proof brackets that are mass-produced one by one, and it is easy to make a determination error. Therefore, it is conceivable to use an automatic identification device equipped with a camera to automatically identify the vibration isolation bracket based on image data captured by the camera. The shape of the vibration isolation bracket is the shape of the vibration isolation device. Therefore, even if an identification symbol is provided, for example, the identification symbol is not always provided at the same position. For this reason, for example, even if an automatic identification device equipped with a fixed camera is used to automatically identify the identification symbol, even if the identification symbol of a certain type of anti-vibration bracket can be photographed by the camera, other types of vibration isolation There is a problem that it is difficult to classify several types of anti-vibration brackets having different shapes using the same equipment (automatic identification device) such that the bracket identification symbol does not enter the field of view of the camera and cannot be photographed. In addition, it is very expensive to use an automatic identification device equipped with a plurality of cameras so that every part can be photographed.

  The present invention has been made in view of such points, and an object of the present invention is to provide an anti-vibration device for attaching a vibration isolator interposed between the vibration source side and the vibration receiving side to the vibration receiving side. It is an object of the present invention to provide a technique capable of automatically and reliably identifying several types of vibration isolating brackets having different shapes using the same equipment.

  In order to achieve the above object, the vibration isolating brackets according to the present invention pay attention to the fact that the position itself of the fastening surface fastened to the vibration receiving side is not different even in several types of vibration isolating brackets having different shapes. The surface is used as a reference, and an identification symbol is provided in the vicinity of the fastening surface.

  Specifically, the first invention is directed to an anti-vibration bracket for attaching an anti-vibration device interposed between the vibration source side and the vibration receiving side to the vibration receiving side.

  And the identification which has two or more fastening surfaces fastened to the member of the said vibration receiving side, the positional relationship of each fastening surface is unchanging, and displays the classification of a bracket in the vicinity of any one fastening surface A symbol is formed.

  In the first invention, when determining the type of bracket using the automatic identification device, if the vibration isolating bracket is set in the automatic identification device with reference to at least one fastening surface, the positional relationship between the fastening surfaces remains unchanged. Therefore, the position of each fastening surface in the automatic identification device is determined. As a result, the identification symbol indicating the type of bracket formed in the vicinity of one of the fastening surfaces is also always located at substantially the same position in the automatic identification device.

  Therefore, even when several types of vibration isolating brackets having different shapes are classified, a mechanism capable of fixing the vibration isolating bracket with reference to at least one fastening surface and a camera fixed so as to photograph the vicinity of the fastening surface are provided. As long as it has, it is possible to reliably recognize the identification symbol using the same equipment (automatic identification device).

  According to a second invention, in the first invention, the first and second fastening surfaces, which are fastened to the vibration receiving side member and located on the same plane, and the first and second fastening surfaces are fastened. And a third fastening surface that is fastened to the vibration receiving side member and is inclined with respect to the first and second fastening surfaces, and is formed continuously from the third fastening surface. Further, the first and second fastening surfaces and an extended surface facing substantially the same direction are provided, and the identification symbol is formed on the extended surface.

  In the second invention, when the type of bracket is determined using the automatic identification device, if the vibration isolation bracket is set in the automatic identification device with reference to the first and second fastening surfaces whose positional relationship is unchanged, 2 Since the surface is used as a reference, the posture of the vibration isolating bracket in the automatic identification device is reliably determined, and the positional relationship among the first fastening surface, the second fastening surface, and the third fastening surface is unchanged. The surface is always located at the same position in the automatic identification device. Then, since the extended surface facing substantially the same direction as the first and second fastening surfaces is formed continuously with the third fastening surface, the automatic identification device always has substantially the same position (third fastening surface). The identification symbol for indicating the type of bracket formed on the extended surface is also always located at substantially the same position in the automatic identification device.

  Therefore, even when several types of anti-vibration brackets having different shapes are classified, the anti-vibration bracket can be fixed on the basis of the first and second fastening surfaces, and the vicinity of the third fastening surface can be photographed. As long as it has a camera, the identification symbol can be reliably recognized using the same equipment.

  In a third aspect based on the second aspect, the identification symbol is one or more grooves formed on the extended surface.

  According to the third invention, even if the anti-vibration bracket is made of a material having strong reflected light such as aluminum, the contour of the groove is emphasized by the shadow of the groove, unlike dots and coloring. Thus, the identification symbol can be reliably recognized. Further, since the groove is formed on the extended surface instead of the third fastening surface, it becomes difficult to affect the surface pressure of the third fastening surface when the vibration-proof bracket is attached to the vibration receiving side. Yes.

  According to a fourth invention, in the second or third invention, the vibration isolator is an engine mount, and the member to which the first and second fastening surfaces are fastened is a side frame of a vehicle. A member to which the third fastening surface is fastened is a tire house of a vehicle, and a pair of leg portions extending in the vertical direction with which a stopper rubber mounted on a side portion of the engine mount abuts, and an upper end of the engine mount. The upper rubber part connecting the upper end parts of the pair of leg parts, to which the stopper rubber attached to the part contacts, and the lower part connecting the central part of the pair of leg parts to which the lower end part of the engine mount is fixed. A side beam portion, wherein the first and second fastening surfaces are lower surfaces of the first and second fastening portions respectively formed at lower ends of the pair of leg portions, and the third fastening surface is Any one of the pair of legs An inclined lower surface of a third fastening portion that is formed at an upper end portion of the first fastening portion and extends obliquely downward, and the extension surface includes the third fastening portion and the one leg portion to reinforce the third fastening portion. It is formed in the reinforcement part formed between these.

  According to the fourth invention, the vibration-proof bracket can be suitably used as a bracket for attaching the engine mount to the vehicle body.

  According to the anti-vibration bracket according to the present invention, when determining the type of bracket using the automatic identification device, if the anti-vibration bracket is set in the automatic identification device with reference to at least one fastening surface, each fastening surface Therefore, the position of each fastening surface in the automatic identification device is determined. As a result, the identification symbol indicating the type of bracket formed in the vicinity of one of the fastening surfaces is also always located at substantially the same position in the automatic identification device. Therefore, even when several types of vibration isolating brackets having different shapes are classified, the identification symbol can be reliably recognized using the same equipment.

It is a perspective view which shows the vibration proof bracket with which the engine mount was attached based on embodiment of this invention. It is a perspective view which shows the state which attached the engine mount to the vehicle body via the vibration proof bracket. It is a perspective view which shows the vibration proof bracket with which the engine mount was attached. It is a perspective view which shows a vibration proof bracket. It is a perspective view which shows the state which reversed the upper and lower sides of the vibration proof bracket with which the engine mount shown in FIG. 1 was attached. It is a perspective view which shows the state which reversed the vibration isolator bracket shown in FIG. 4 up and down. It is a figure which illustrates the identification method of an anti-vibration bracket typically.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing an anti-vibration bracket to which an engine mount is attached according to an embodiment of the present invention. This anti-vibration bracket 1 is made of aluminum die-cast, and is interposed between a vibration source side (the engine 5 side in the present embodiment) and a vibration receiving side (the vehicle bodies 15 and 25 side in the present embodiment). This is for mounting the mount (anti-vibration device) 3 on the vehicle bodies 15 and 25 side. The engine mount 3 of the present embodiment includes a first mounting bracket 13 that is mounted on the engine 5 side, a second mounting bracket 23 that is mounted on the vehicle body side, the first mounting bracket 13, and the second mounting bracket 23. A rubber elastic body 33 (see FIGS. 3 and 5), an orifice board (not shown), a diaphragm 43, and a pair of stopper rubbers 53 attached to the first mounting bracket 13. This is a liquid-filled engine mount.

  The anti-vibration bracket 1 has a pair of leg portions 11 that extend in the vertical direction, and a stopper rubber 53 attached to the upper end of the engine mount 3, which abuts against a stopper rubber 53 attached to the side of the engine mount 3. The lower beam portion connecting the upper portion of the pair of legs 11 and the upper portion of the pair of legs 11 to which the second mounting bracket 23 of the engine mount 3 is caulked and fixed is connected. 31. Then, a first fastening for attaching the leg 11 to the side frame (vibration receiving side member) 15 is provided at the lower end of the leg 11 on one side (left side in FIG. 1) as shown in FIG. While the portion 7 is provided, a second fastening portion 17 for attaching the leg portion 11 to the side frame 15 is provided at the lower end portion of the other leg portion 11 (right side in FIG. 1). Further, a third fastening portion 27 for attaching the leg portion 11 to a tire house (different member) 25 is provided at the upper end portion of the leg portion 11.

  The first and second fastening portions 7, 17 are each formed in a substantially cylindrical shape having through holes 7b, 17b extending in the vertical direction at the center thereof, and the first and second fastening surfaces which are the lower surfaces thereof. 7a and 17a are formed on the same plane. Then, the first and second fastening portions 7 and 17 are placed on the upper surface of the side frame 15 by the fastening bolts (not shown) inserted through the through holes 7b and 17b. It is fixed to the side frame 15 in a contacted state.

  On the other hand, the third fastening portion 27 has a through-hole 27b that extends obliquely downward at the center thereof and is formed in a substantially cylindrical shape that extends obliquely downward from the upper end portion of the leg portion 11, and is a third fastening portion that is the lower surface thereof. The surface 27a is inclined with respect to the first and second fastening surfaces 7a and 17a. Then, the third fastening portion 27 is in a state where the third fastening surface 27a, which is the inclined lower surface, is brought into contact with the slope of the tire house 25 by a fastening bolt (not shown) inserted through the through hole 27b. The tire house 25 is fixed. Since the third fastening part 27 extends obliquely downward, the lower side is away from the leg part 11, so that the third fastening part 27 is between the third fastening part 27 and the leg part 11. A reinforcing portion 41 for reinforcing the portion 27 is formed.

  Then, when the vibration isolating bracket 1 to which the engine mount 3 is attached is attached to the vehicle bodies 15 and 25 by the first to third fastening portions 7, 17 and 27, for example, the automobile is stopped and the engine 5 is in the idle operation state. In this case, low-frequency idle vibration caused by torque fluctuation or the like is absorbed by the rubber elastic body 33, and vibration transmission to the vehicle bodies 15 and 25 is suppressed. On the other hand, when a large driving reaction force (torque) is applied to the engine 5 to swing back and forth, for example, when the vehicle is suddenly accelerated, the pair of stopper rubbers 53 abut against the leg portions 11 of the vibration-proof bracket 1. As a result, the deformation of the rubber elastic body 33 in the front-rear direction is restricted, and when the engine 5 tries to swing up and down, the pair of stopper rubbers 53 abut against the upper beam portion 21 of the vibration-proof bracket 1, thereby the rubber elastic body The upper and lower deformations of 33 are restricted.

  By the way, the shape of the engine mount 3 changes according to the required characteristics, and the shape of the anti-vibration bracket 1 to which the engine mount 3 is attached is also the shape of the engine mount 3 as can be seen by comparing FIG. 1 and FIG. It changes together. Therefore, in order to prevent an assembly error between the engine mount 3 and the vibration isolation bracket 1, it is necessary to identify the vibration isolation bracket 1 prior to the assembly of the engine mount 3.

  Here, it is unrealistic for an operator to identify each of the vibration-proof brackets 1 that are mass-produced, and it is easy to make a determination error. For example, using an automatic identification device equipped with a camera, Although it is conceivable to automatically identify the anti-vibration bracket 1, the shape of the anti-vibration bracket 1 is greatly different depending on the type as shown in FIG. An identification symbol is not always provided.

  Specifically, for example, even if an identification symbol is provided at a part indicated by reference numeral 51 in the vibration isolating bracket 1 in FIG. 4A, the same part in the vibration isolating bracket 1 in FIGS. 4B to 4E. Is provided with a protruding portion and cannot be provided with an identification symbol. For example, an identification symbol is provided at a portion indicated by reference numeral 61 in the vibration isolating bracket 1 of FIGS. 4 (b), 4 (c) and 4 (e). Even if it does, the level | step-difference part is formed in the same site | part in the anti-vibration bracket 1 of Fig.4 (a) and (d), and an identification symbol cannot be provided.

  For this reason, it is difficult to classify several types of anti-vibration brackets 1 having different shapes using the same equipment, even if an identification symbol is automatically identified using an automatic identification device equipped with a camera, for example. There is a problem, and it is very expensive to use an automatic identification device equipped with a plurality of cameras so that every part can be photographed.

  Therefore, in the vibration isolating bracket 1 of the present embodiment, attention is paid to the fact that the position of the fastening surface fastened to the vibration receiving side is not different even in several types of vibration isolating brackets 1 having different shapes. And an identification symbol is provided in the vicinity of the remaining fastening surface. Specifically, as shown in FIGS. 5 and 6A to 6E, the positional relationship among the first fastening surface 7a, the second fastening surface 17a, and the third fastening surface 27a is unchanged. From the first fastening surface 7a and the second fastening surface 17a, the first and second fastening surfaces 7a and 17a face in substantially the same direction so that the identification symbol can always be taken with a fixed camera. The extension surface 37 is formed on the reinforcement portion 41 for reinforcing the third fastening portion 27 so as to be continuous with the third fastening surface 27a, and an identification symbol 47 for indicating the type of bracket is formed on the extension surface 37. ing.

  By forming the extension surface 37 having the identification symbol 47 on the vibration-proof bracket 1 in this way, when determining the type of bracket using the automatic identification device, the first and second fastening surfaces 7a and 17a are used as a reference. If the anti-vibration bracket 1 is set in the automatic identification device, the extension surface 37 facing substantially the same direction as the first and second fastening surfaces 7a, 17a and the identification symbol 47 formed on the extended surface 37 are almost always in the automatic identification device. It will be located at the same position.

  The identification symbol in the present embodiment is one or more grooves 47 formed on the extended surface 37. Specifically, the vibration isolating bracket 1 in FIG. The anti-vibration bracket 1 in FIG. 6 (b) has two grooves 47, the anti-vibration bracket 1 in FIG. 6 (c) has four grooves 47, and the anti-vibration bracket 1 in FIG. Two grooves 47 are formed in the vibration isolating bracket 1 shown in FIG. 6E with a large gap therebetween. In this embodiment, each groove 47 is formed with a depth of 2.0 mm, a width of 2.5 mm, and a length of 10.0 mm.

  Such groove-like identification symbols have the following advantages. That is, when the anti-vibration bracket 1 made of aluminum die-casting is punched, an opening surrounded by the pair of leg portions 11, the upper beam portion 21, and the lower beam portion 31 (the opening in which the engine mount 3 is disposed). As is clear from the shape of the part, when the die is cut in the direction of the white arrow in FIGS. 6A to 6E, the identification symbol is a groove 47 extending in the same direction as the white arrow. As a result, the groove 47 can be easily formed and punched out. Even if the anti-vibration bracket 1 is made of strong reflected light such as aluminum, the outline of the groove 47 is emphasized by the shadow of the groove 47, unlike dots and coloring. Can be recognized reliably. In the vibration isolating bracket 1 of the present embodiment, since the groove 47 is formed in the extended surface 37 instead of the third fastening surface 27a, when the vibration isolating bracket 1 is attached to the vehicle body, It is difficult to affect the surface pressure.

  Next, a method for identifying the vibration proof bracket 1 of the present embodiment will be described.

  In identifying the anti-vibration bracket 1, first, as shown in FIG. 7, the set mechanism 19 for fixing the anti-vibration bracket 1, the camera 49, and the type of bracket based on the image data photographed by the camera 49 An automatic identification device 9 having a controller 59 having an identification mechanism for identifying the image is prepared. In the automatic identification device 9, the camera 49 is fixed to the fixed base 39, and the positional relationship between the reference surface 19 a of the setting mechanism 19 and the camera 49 is always the same.

  Next, the vibration isolating bracket 1 is fixed by the fixing means 29 in a state where the fastening surfaces 7a, 17a and 27a are in contact with the reference surface 19a so that the first and second fastening surfaces 7a and 17a face upward. As described above, when the vibration isolating bracket 1 is fixed on the basis of the first and second fastening surfaces 7a and 17a, the extended surface 37 facing substantially the same direction as the first and second fastening surfaces 7a and 17a is directly below the camera 49. Located in. If the camera 49 is used for shooting in this state, the groove 47 formed on the extended surface 37 can be reliably shot, and the controller 59 can identify the type of bracket based on the shot image data. it can.

  Thus, even when different types of anti-vibration brackets 1 are identified, the positional relationship among the first fastening surface 7a, the second fastening surface 17a, and the third fastening surface 27a is unchanged. 2 If the anti-vibration bracket 1 is fixed in a state where the fastening surfaces 7a and 17a are in contact with the reference surface 19a, the extension surface 37 and the groove 47 formed in the extension surface 37 are always positioned directly below the camera 49. Therefore, even when several types of vibration isolating brackets 1 having different shapes are classified, the mechanism capable of fixing the vibration isolating bracket 1 on the basis of the first and second fastening surfaces 7a and 17a and the vicinity of the third fastening surface 27a are provided. As long as it has the camera 49 fixed so that it can image | photograph, the identification symbol 47 can be reliably recognized using the same installation.

(Other embodiments)
The present invention is not limited to the embodiments, and can be implemented in various other forms without departing from the spirit or main features thereof.

  In the said embodiment, although the fastening surface was set to three, it is not restricted to this, The number of a fastening surface is good also as 2 or 4 or more.

  Further, in the above embodiment, the identification symbol is formed on the extended surface 37. However, the position where the identification symbol is formed does not affect the surface pressure of the fastening surface, and is only near the fastening surface. For example, it may be formed on the upper surface or side surface of the first or second fastening portion 7, 17.

  Furthermore, in the said embodiment, although the identification symbol was 1 or 2 or more groove | channel 47, it is good not only as this but 1 or 2 or more protrusion part which protrudes from the extended surface 37, for example.

  In the above embodiment, the engine mount 3 is a liquid-filled engine mount. However, the present invention is not limited to this. For example, the first mounting bracket 13, the second mounting bracket 23, the rubber elastic body 33, and the stopper rubber 53. And an engine mount that does not enclose liquid.

  Furthermore, in the said embodiment, the automatic identification apparatus 9 which fixes the vibration isolating bracket 1 in the state which contact | abutted these fastening surfaces to the reference surface 19a so that the 1st and 2nd fastening surfaces 7a and 17a face upwards. Although it used, it is not restricted to this, The mechanism which can fix the vibration proof bracket 1 on the basis of the 1st and 2nd fastening surface 7a, 17a, and the camera 49 fixed so that the vicinity of the 3rd fastening surface 27a could be image | photographed Any automatic identification device may be used as long as it has the following.

  As described above, the above-described embodiment is merely an example in all respects and should not be interpreted in a limited manner. Further, all modifications and changes belonging to the equivalent scope of the claims are within the scope of the present invention.

  As described above, the present invention is useful for an anti-vibration bracket or the like for attaching an anti-vibration device interposed between the vibration source side and the vibration receiving side to the vibration receiving side.

1 Anti-vibration bracket 3 Engine mount (anti-vibration device)
5 Engine (vibration source)
7 First fastening portion 7a First fastening surface 11 Leg portion 15 Side frame (vibration receiving side member)
17 2nd fastening part 17a 2nd fastening surface 21 Upper beam part 25 Tire house (different member)
27 Third fastening portion 27a Third fastening surface 31 Lower beam portion 37 Extended surface 41 Reinforcing portion 47 Groove (identification symbol)
53 Stopper rubber

Claims (4)

A vibration isolating bracket for attaching a vibration isolating device interposed between the vibration source side and the vibration receiving side to the vibration receiving side,
There are two or more fastening surfaces fastened to the vibration receiving side member, the positional relationship of each fastening surface is unchanged, and an identification symbol for indicating the type of bracket in the vicinity of any one fastening surface is An anti-vibration bracket that is formed. The anti-vibration bracket according to claim 1,
A first fastening surface and a second fastening surface, which are fastened to the vibration receiving side member and located on the same plane;
A third fastening surface that is different from a member to which the first and second fastening surfaces are fastened, is fastened to the vibration receiving side member and is inclined with respect to the first and second fastening surfaces;
The first and second fastening surfaces formed continuously with the third fastening surface, and an extended surface facing substantially the same direction;
An anti-vibration bracket characterized in that the identification symbol is formed on the extended surface. The anti-vibration bracket according to claim 2,
The vibration isolation bracket is characterized in that the identification symbol is one or more grooves formed on the extended surface. The vibration-proof bracket according to claim 2 or 3,
The vibration isolator is an engine mount,
The member to which the first and second fastening surfaces are fastened is a vehicle side frame, while the member to which the third fastening surface is fastened is a vehicle tire house,
A pair of leg portions each extending in the up-down direction, with which a stopper rubber mounted on a side portion of the engine mount abuts,
An upper beam portion connecting upper end portions of the pair of leg portions, which is in contact with a stopper rubber mounted on the upper end portion of the engine mount;
A lower beam portion connecting the central portions of the pair of leg portions, to which a lower end portion of the engine mount is fixed, and
The first and second fastening surfaces are the lower surfaces of the first and second fastening portions respectively formed at the lower ends of the pair of legs.
The third fastening surface is an inclined lower surface of a third fastening portion formed at the upper end portion of one of the pair of leg portions and extending obliquely downward,
The anti-vibration bracket, wherein the extension surface is formed in a reinforcing portion formed between the third fastening portion and the one leg portion in order to reinforce the third fastening portion.

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