JP2010090744A - Cover mounting body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cover mounting body enabling mounting and removal of a cover by a single action while preventing breakage of the cover at the time of removal. <P>SOLUTION: By rotating a hook body 3 to the R direction while being pressed with a leg 4 inserted in a first concave groove 7 at the mounting of a hook 1 to a cushion 2, the axial direction length of the cushion 2 is shortened for enabling engagement of an engaging ratchet 4A and a ratchet to be engaged 6. By rotating the hook body 3 to the R direction while being pressed at the removing of the hook 1 from the cushion 2, the axial direction length of the cushion 2 is shortened for releasing the engagement of the engaging ratchet 4A and the ratchet to be engaged 6 so that the leg 4 is guided along a third concave groove 10 to a second concave groove 9 for enabling pullout of the leg 4 from the second concave groove 9. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a cover attaching body used for attaching a cover such as an engine cover, for example.

  For example, in Patent Document 1, as an attachment structure for attaching an engine cover to an engine, an elastically deformable tubular mount rubber having a through hole is accommodated and retained in a tubular housing frame projecting from the back of the engine cover body. Then, press the end of the rod-shaped adapter protruding from the engine into the through-hole of the mount rubber, and the annular engagement ridge on the inner peripheral surface of the through-hole in the tapered shape at the tip of the adapter A technique is disclosed in which an engine cover is attached to an engine via a mount rubber and an adapter by being elastically deformed and then engaging with a small-diameter portion below the elastic cover.

  However, in the technique described in Patent Literature 1, when the tip portion of the adapter is press-fitted into the through hole of the mount rubber, the tip portion of the adapter is elastically deformed in the outer radial direction of the engaging protrusion in the through hole. However, the meat stealing part recessed in the outer peripheral surface of the elastic body in order to release the deformed part of the engaging ridge part in the outer diameter direction is spaced upward from the engaging ridge part. For this reason, the engaging protrusion is thick in the radial direction, hardly elastically deformed, and is hard and difficult to press-fit. This is also true for the pulling work of removing the tip of the adapter from the through hole of the mount rubber. In addition, since the amount of elastic deformation of the engaging ridge is small and the reaction force is small, the response when the engaging ridge engages with the small diameter portion is small and it is difficult to obtain a press-fit feeling, and it is pressed in a normal state. It is difficult to determine whether or not

Therefore, in Patent Document 2, with the mount rubber being housed and held in the housing frame of the engine cover, between the meat stealing part corresponding to the engaging protrusion in the through hole and the housing frame on the outer surface of the mount rubber. When the adapter tip is press-fitted into the through hole of the mount rubber, the mounting protrusion of the mount rubber is elastically deformed in the outer diameter direction by the tip of the adapter tip, and the deformed portion is inserted into the space. The taper passes through the engagement ridge, and the engagement ridge is restored to its original shape and engaged with the drum-shaped portion continuous to the proximal end of the taper. An attachment structure for a cover member has been proposed that is attached to an engine via an adapter.
JP 2005-321005 A JP 2008-128359 A

  By the way, recently, with respect to attachment of the engine cover, a structure in which a grommet is fitted to a metal rod has been adopted.

  This mounting structure does not require the use of tools, and is advantageous in terms of the appearance of the cover and reduction in the number of assembling steps. On the other hand, if the cover is pulled forcibly when removing the cover during service or the like, the cover may crack.

  This is because if it is easy to come off, there will be a problem of disengagement during traveling, and it must be configured so that it cannot be removed unless it is pulled with some load.

  The present invention has been made in view of the above, and an object of the present invention is to provide a cover attachment body that enables attachment and removal of a cover with one touch and can prevent breakage when removing the cover.

  In order to achieve the above object, a cover attachment body according to the present invention includes a hook to which a cover is attached, and a cushion that is detachably attached to the hook and is elastically deformable in the axial direction. A plurality of legs extending downward from the hook main body and having engaging claws at the distal end thereof, and the plurality of legs are formed in a uniform circumference, and the cushion is engaged with the engaging claws. An engaged claw to be engaged, a first concave groove that is disposed adjacent to one side of the engaged claw, and that guides the leg from above into the engaged claw, and the engaged claw A second partition groove for pulling the leg upward and a second recess groove to be engaged with the engagement groove in a state of being communicated with the second recess groove. A third groove disposed directly under the nail and for guiding the leg to the second groove. The same number of pairs as the legs are formed on the circumferential surface of the cushion as a pair, and the legs are inserted into the first concave groove when the hook is attached to the cushion. Then, if the hook body is rotated toward the other direction while pressing the hook body, the axial length of the cushion is reduced, and the engagement claw and the engagement claw can be engaged. When the hook is removed from the cushion, if the hook body is rotated toward the other direction while holding the hook body, the axial length of the cushion is reduced, and the engagement claw and the cover are removed. Engagement with the engaging claw is released, and the leg is guided to the second concave groove along the third concave groove, and the leg can be pulled out from the second concave groove.

  In the cover mounting body, the lower surface of the first concave groove, the lower surface of the third concave groove, and the lower surface of the second concave groove continuous thereto are the other in the rotational direction of the hook body. It is preferable that the tip end surface of the engaging claw is inclined in parallel with the inclination.

  According to the present invention, it is possible to attach and remove the cover with a single touch, and to prevent breakage when removing the cover.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is an exploded perspective view of a cover mounting body according to an embodiment of the present invention.

  Referring to FIG. 1, the cover attachment body of the present embodiment includes a hook 1 to which an engine cover C shown in FIG. 2 is attached, and a cushion 2 that is detachably attached to the hook 1 and elastically deformable in the axial direction. It has.

  The hook 1 is made of synthetic resin. The hook 1 includes a hook main body 3 and a pair of legs 4 extending downward from the hook main body 3 and having an engaging claw 4A at the tip. The paired legs 4 are formed in a circumferentially equidistant manner so as to form a line symmetrical relationship.

  On the peripheral surface of the hook body 3, an annular flange portion 5 is formed that is rotatably engaged with an annular engagement claw C1 (see FIG. 2) protruding from the inner surface of the engine cover C.

  The cushion 2 is attached to an engine (not shown), and is made of an elastic material such as rubber. The cushion 2 is disposed adjacent to the engaged claw 6 with which the engaging claw 4A is engaged, and one side of the engaged claw 6, and the leg 4 is inserted from above to the engaged claw 6. A first concave groove 7 for guiding and a partition wall 8 that divides the corner portion together with the engaged claw 6 on the other side of the engaged claw 6, and a second for pulling the leg 4 upward. And a third groove 10 that is arranged directly below the engaged claw 6 and communicates with the second groove 9 and guides the leg 4 to the second groove 9. . The engaged claws 6, the first concave grooves 7, the partition walls 8, the second concave grooves 9, and the third concave grooves 10 are cushioned so that two pairs having the same number as the legs 4 form a line symmetrical relationship. The circumferential surface of 2 is formed with equal circumference.

  The height of the cushion 2 is set such that it will not slide down unless a large load is applied by the pushing stroke of the hook 1 until the engaging claw 4A engages with the engaged claw 6 described later. Yes.

  In this cover mounting body, the lower surface of the first concave groove 7, the lower surface of the third concave groove 10, and the lower surface of the second concave groove 9 continuous therewith are in the rotational direction of the hook body. It is gradually inclined downward in a certain other direction (the direction indicated by the arrow R in FIG. 1). Correspondingly, the front end surface of the engaging claw 4A is inclined in parallel with the inclination.

  FIG. 2 is a diagram schematically showing the procedure for attaching and removing the cover.

  When attaching the engine cover C, as shown in FIG. 2A, first, the hook 5 of the hook body 3 is engaged with the engaging claw C1 of the engine cover C, and the hook 1 is attached to the engine cover C. It is coupled to be rotatable.

  When the coupling between the hook 1 and the engine cover C is completed, the leg 4 of the hook 1 is inserted into the first concave groove 7 of the cushion 2 from above as shown in FIG.

  When the hook body 3 is pressed through the engine cover C and rotated in the other direction R (see FIG. 1), the length of the cushion 2 in the axial direction is reduced. Then, the engaging claw 4A of the hook 1 comes into contact with the engaged claw 6 of the cushion 2 and the leg 4 is elastically deformed outward. When the engaging claw 4A gets over the engaged claw 6, the leg 4 is elastically restored, and the engaged claw 6 of the cushion 2 is engaged with the engaged claw 6 of the cushion 2 as shown in FIG. The claw 4A is engaged.

  On the other hand, when removing the engine cover C, first, the hook body 3 is pressed through the engine cover C and rotated in the other direction R (see FIG. 1). Then, the length of the cushion 2 in the axial direction is reduced, and the engagement of the engaging claws 4A and the engaged claws 6 is released as shown in FIG. The second concave groove 9 is guided along the third concave groove 10 of the cushion 2.

  When the leg 4 of the hook 1 is guided to the second concave groove 9 of the cushion 2, the leg 4 is pulled upward along the second concave groove 9 as shown in FIG.

  Thereafter, the coupling between the hook 1 and the engine cover C is released.

  As is apparent from the above description, when the hook 1 is attached to the cushion 2, when the leg 4 is inserted into the first concave groove 7 and is rotated toward the other direction R while holding the hook body 3, The length of the cushion 2 in the axial direction is reduced, and the engagement claw 4A and the engagement claw 6 can be engaged. On the other hand, when the hook 1 is detached from the cushion 2, if the hook body 3 is rotated in the other direction R while holding the hook body 3, the axial length of the cushion 2 is reduced, and the engagement claws 4A and The engagement with the engaged claws 6 is released, and the leg 4 is guided along the third concave groove 10 to the second concave groove 9 so that the leg 4 can be pulled out from the second concave groove 9. Become. Therefore, the attachment and removal of the engine cover C can be performed with one touch. In particular, when the engine cover C is pressed from above with a relatively large load, the hook 1 rotates and the hook 1 can be detached from the cushion 2, so that it is not necessary to pull it with an unreasonable load, and damage to the engine cover C can be prevented. .

  Further, the lower surface of the first concave groove 7, the lower surface of the third concave groove 10, and the lower surface of the second concave groove 9 continuous thereto are directed toward the other direction R which is the rotation direction of the hook body 3. Since the tip end surface of the engaging claw 4A is inclined in parallel with the inclination, the attachment and detachment with respect to the cushion 2 by the rotation of the hook 1 can be performed smoothly.

  The present invention is not limited to the above embodiment.

  In the above embodiment, the example in which the hook is made of a synthetic resin has been described. However, the present invention is not limited to such a configuration. Even if the hook is made of metal, the object of the present invention can be sufficiently achieved.

  Further, in the above-described embodiment, the hook legs are formed in a uniform circumference so as to form a line symmetrical relationship with the pair of legs, and the engaged claws of the cushion, the first concave groove, the partition wall, and the second concave are formed. An example was described in which the groove and the third concave groove were taken as a pair, and the same number of the two pairs as the legs were formed in a circumferentially equidistant relationship so as to form a line-symmetrical relationship. However, the present invention is not limited to such a configuration. There are three or more hook legs, and these are formed in a uniform circumference, and the engaging claws of the cushion, the first concave groove, the partition, the second concave groove, and the third concave groove are set as one pair. The same number of pairs may be formed on the circumference. In this case, the assembly strength between the hook and the cushion increases.

  It goes without saying that various design changes and modifications can be made within the scope of the claims attached to this specification.

It is a disassembled perspective view of the cover attachment body concerning embodiment of this invention. It is a figure which shows the attachment and removal procedure of a cover diagrammatically.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hook 2 Cushion 3 Hook main body 4 Leg 4A Engagement claw 6 Engagement claw 7 1st ditch | groove 8 Bulkhead 9 2nd ditch | groove 10 3rd ditch | groove C Engine cover

Claims (2)

A hook to which the cover is attached and a cushion that is detachably attached to the hook and elastically deformable in the axial direction;
The hook includes a hook main body and a plurality of legs extending downward from the hook main body and having engaging claws at a distal end portion, and the plurality of legs are formed in a uniform circumference,
The cushion is disposed adjacent to an engaged claw to which the engaging claw is engaged, and one side of the engaged claw, and the cushion is inserted into the engaging claw by inserting the leg from above. A first groove, and a second groove for pulling the leg upward, the second groove being disposed on the other side of the engaged claw with a partition wall defining a corner portion together with the engaged claw, A third groove for guiding the leg to the second groove, and the same number of pairs as the legs. It is formed on the circumferential surface of the cushion with a uniform circumference,
When the hook is attached to the cushion, when the leg is inserted into the first concave groove and rotated toward the other direction while holding the hook body, the length of the cushion in the axial direction is increased. Reduced size enables engagement of the engaging claws and the engaged claws,
When the hook is detached from the cushion, if the hook body is rotated toward the other direction while pressing the hook body, the axial length of the cushion is reduced, and the engagement claw and the engaged member are reduced. The engagement with the claw is released, and the leg is guided to the second concave groove along the third concave groove, so that the leg can be pulled out from the second concave groove. Cover attachment body. The cover attachment body according to claim 1,
The lower surface of the first concave groove and the lower surface of the third concave groove and the lower surface of the second concave groove continuous therewith are free to descend toward the other direction which is the rotation direction of the hook body. A cover mounting body characterized by being gradually inclined, and a tip end surface of the engaging claw being inclined in parallel with the inclination.

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