JP3881443B2 - Lid device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lid device for a vehicle such as a fuel lid, and more particularly to a lid device capable of smoothly assembling a return spring forming a hinge mechanism portion thereof. It is.
[0002]
[Prior art]
For example, as shown in FIG. 3, the conventional lid device has a flat lid body 10 made of a plastic material or the like, and a hinge bracket 20 that supports the lid body 10 so as to be rotatable toward the vehicle body. A hinge pin 30 that supports the hinge bracket 20 and the lid body 10 so as to be rotatable, and is provided between the hinge pin 30 and the hinge bracket 20 and has a predetermined rotational force on the lid body 10. And a return spring 50 that operates so as to give Further, the return spring 50 that forms a part of the hinge mechanism having the above-described configuration is a leaf spring that is curved as a whole, and a protrusion 510 is provided at the tip thereof. In addition, a hook-like engagement portion 550 is provided at the lower end portion. Then, the protrusion 510 of the return spring 50 having such a configuration is fitted into the engagement hole 210 of the hinge bracket 20 and the hook-like engagement portion 550 provided at the lower end is the above. It engages with the hinge pin 30, thereby giving a predetermined rotational force to the lid body 10.
[0003]
[Problems to be solved by the invention]
By the way, in the said conventional thing, the mounting | wearing operation | work to the said hinge mechanism part of the return spring 50 becomes a big work, and there exists a problem that a special jig etc. must be used. That is, when the return spring 50 is mounted, first, the protrusion 510 formed at the tip thereof is fitted into the engagement hole 210 formed in the hinge bracket 20. In such a state, as shown by the arrow in FIG. 3, the lower portion of the return spring 50 is bent using a special jig or the like. In such a state, the hook-like engagement portion 550 formed at the lower end portion of the return spring 50 is engaged with a predetermined location of the hinge pin 30. Such a bending operation of the return spring 550 and an engagement operation of the hook-like engaging portion 550 formed at the lower end portion of the return spring 50 performed continuously to the hinge pin 30 require a large force. It ’s a hard work. In order to solve such a problem, an engagement portion for temporary fixing is provided at the lower end portion of the return spring, so that the return spring can be mounted smoothly. An object (problem) of the present invention is to provide a lid device having a hinge mechanism.
[0004]
[Means for Solving the Problems]
In order to solve the above problems, the following measures are taken in the present invention. That is, regarding a lid device comprising a lid body and a hinge mechanism that supports the lid body so as to be rotatable, the lid body is provided between a hinge pin and a hinge bracket forming the hinge mechanism. A return spring that operates so as to give a predetermined rotational force is made to be a leaf spring having an arcuate shape as a whole in a side view, and is provided at one end side of the hinge bracket. A projecting portion that engages with the engagement hole, and has a recessed engagement recess for temporary fixing that is temporarily fixed to the hinge pin on the other end side, and the temporary engagement engagement recess. A fixing engagement recess portion having an opening in the same direction as the temporary fixing engagement recess portion is provided at a predetermined distance from the portion. It was decided to take the Unishi was constructed.
[0005]
By adopting such a configuration, the present invention exhibits the following effects. That is, the assembling work of the present lid device, particularly, the assembling work of the return spring is smoothly performed. Specifically, first, a projection formed at the tip of the return spring is inserted into (inserted into) an engagement hole provided in the hinge bracket. In such a state, next, a hook-like engagement recess portion for temporary fixing formed at the lower end portion of the return spring is engaged with the hinge pin. That is, the hinge pin and the return spring are set in a temporarily fixed state. In such a state, the projecting portion formed at the substantially central portion of the return spring is pushed in using a predetermined jig or the like. As a result, the hinge pin engaged with the temporary fastening engagement recess portion slides on the guide portion formed continuously with the temporary fastening engagement recess portion, and the limit of the guide portion is reduced. It moves so as to get over the mountain part formed there.
[0006]
By such a series of operations, the hinge pin is housed in the fixing engagement recess portion having a concave shape. As described above, according to the present invention, once the hinge pin is temporarily fixed at the temporary engagement engaging recess portion, the subsequent permanent engagement, that is, the engagement operation to the fixing engagement recess portion is performed. Work can be carried out smoothly. In particular, a guide portion is provided between the temporary fastening engagement recess portion and the fixing engagement recess portion, and the entire return spring including the guide portion is formed of an elastic body. Therefore, the climbing operation at the mountain portion formed continuously with the guide portion is performed relatively easily, that is, with a small force.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the configuration of the embodiment of the present invention includes a lid main body 1 and a hinge mechanism 2 for rotatably mounting the lid main body 1 to a predetermined structural member such as a vehicle body (body). It is based on that it consists of.
[0008]
In such a basic configuration, the lid main body 1 is mainly composed of a flat plate-like member, and is integrally formed of a plastic material (synthetic resin material). . And although it consists of such a structure, as shown in FIG. 1, the bearing part 11, 12 for supporting the hinge pin 21 which forms a part of the said hinge mechanism 2, and these both bearing parts 11, 12 are formed in the back surface side. A support portion 15 provided at a substantially central portion is formed integrally with the lid body 1. That is, the lid main body 1, the bearing portions 11 and 12, and the support portion 15 are integrally formed by injection molding means or the like.
[0009]
A hinge pin 21 that forms a part of the hinge mechanism 2 is inserted into the bearing portions 11 and 12. In addition, the bearings 11 and 12 having such a configuration are provided on the line, and the middle part of the hinge pin 21 is supported substantially at the center, and the hinge pin 21 is bent. A support portion 15 that acts to give a moment is provided. As shown in FIG. 1, the hinge mechanism 2 that rotatably supports the lid main body 1 having such a configuration includes a hinge bracket 22 for attaching the lid device to a structure such as a body, and the hinge bracket 22. And the lid main body 1 and a return spring 5 provided between the hinge pin 21 and the hinge bracket 22. The hinge pin 21 forming a part of the hinge mechanism 2 is made of a metal member having predetermined rigidity and elasticity, and its form is bent into a crank shape as shown in FIG. It consists of forms. That is, the crank portion 215 is formed at the center portion. The hinge pins 21 having such a configuration are held at both bearing portions 11 and 12 provided on the back side of the lid body 1 as shown in FIG. A crank portion 215 formed at the central portion of the hinge pin 21 is supported at the support portion 15. In this way, by being held or supported at the bearing portions 11, 12 and the support portion 15, a bending moment acts on the hinge pin 21 as a whole, and the hinge pin 21 is connected to the lid. The main body 1 is prevented from falling off from the bearing portions 11, 12, etc.
[0010]
As shown in FIG. 1, the return spring 5 provided between the hinge pin 21 and the hinge bracket 22 of the hinge mechanism 2 having such a configuration has a leaf shape as a whole, and its side view is As shown in FIG. 2, it has a circular arc shape. In such a basic form, a protrusion 52 that fits into an engagement hole 222 provided in the hinge bracket 22 shown in FIG. 1 is provided at the tip. In addition, a recessed engagement recess 51 for temporary fixing and an engagement recess (fixing engagement recess) 55 for permanent fastening as shown in FIG. It is what has become.
[0011]
A specific configuration around each of the engagement recess portions 51 and 55 will be described with reference to FIG. First, an engagement recess 51 for temporary fixing used for temporary fixing of the hinge pin 21 is provided at the most distal end of the lower end so as to have a downward opening. Then, a guide portion 54 having a linear inclined surface is provided continuously to the temporary fastening engagement recess portion 51, and further to the extreme position of the guide portion 54, a peak portion is provided continuously to the guide portion 54. 53 is provided. Further, a concave engaging engagement recess portion 55 having an opening in the same direction as the temporary fixing engagement recess portion 51 is provided continuously to the mountain portion 53. In the structure having such a configuration, a projecting portion (abdominal portion) 56 that travels continuously in a convex shape is formed continuously with the main fixing engagement recess 55, and the projecting portion 56 is gradually loosened. A curved portion is formed by drawing an arc. Furthermore, a protrusion 52 that fits into the engagement hole 222 of the hinge bracket 22 is provided at the tip.
[0012]
Next, the attachment method (assembly procedure) of the return spring 5 having such a configuration will be described with reference to FIG. First, the protrusion 52 formed at the tip of the return spring 5 is inserted into (inserted into) the engagement hole 222 provided in the hinge bracket 22. In such a state, the hook-like temporarily engaging engagement recess 51 formed at the lower end of the return spring 5 is then engaged with the crank 215 of the hinge pin 21. That is, the hinge pin 21 and the return spring 5 are set in a temporarily fixed state. In such a state, as shown in FIG. 2A, the protruding portion (abdominal portion) 56 formed almost at the center of the return spring 5 is pushed in using a predetermined jig or the like. As a result, the hinge pin 21 that has been engaged with the temporary fastening engagement recess portion 51 moves along the guide portion 54 formed of an inclined surface continuously formed with the temporary fastening engagement recess portion 51. It slides and moves so as to get over the peak portion 53 formed at the extreme position of the guide portion 54.
[0013]
By such a series of operations, the hinge pin 21 is finally housed in the fixing engagement recess portion 55 having a concave shape. As described above, in the present embodiment, once the hinge pin 21 is temporarily fixed at the temporary engagement engaging recess portion 51, the subsequent final engagement, that is, the fixing engagement recess portion 55 is performed. Is smoothly engaged. In particular, a guide portion 54 having an inclined surface is provided between the temporarily engaging engagement recess portion 51 and the fixing engagement recess portion 55, and this return including the guide portion 54 is also included. Since the entire spring 5 is formed of an elastic body, the climbing operation at the mountain portion 53 formed continuously with the guide portion 54 can be performed relatively easily, that is, with a small force. It becomes. As described above, in the present embodiment, the assembly work of the return spring 5 is smoothly and easily performed, and the efficiency of the assembly operation of the entire lid device can be improved. .
[0014]
【The invention's effect】
According to the present invention, a lid device including a lid main body and a hinge mechanism that supports the lid main body so as to be rotatable is provided between a hinge pin and a hinge bracket forming the hinge mechanism. And a return spring that operates so as to apply a predetermined rotational force to the lid body, and is made up of a leaf spring having an arcuate shape as a whole in a side view, It has a protrusion that engages with an engagement hole provided in the bracket, and has a recessed engagement recess for temporary fixing that is temporarily fixed to the hinge pin at the other end. A fixing engagement recess portion having an opening in the same direction as the provisional engagement recess portion at a predetermined distance from the engagement recess portion. Was because it was decided to adopt a configuration such that, smooth assembling of the return spring, and came to be easily performed.
[0015]
That is, when assembling the return spring, first, the protrusion provided at the tip thereof is engaged with the engagement hole provided in the hinge bracket and the temporary fixing formed at the lower end. Since the hinge pin is temporarily fixed to the engagement recess portion, in this state, it becomes possible to prepare for the next main fastening operation, and even when these hinge mechanisms are formed in the vertical plane, The lid device can be installed smoothly. Then, in the temporarily fixed state as described above, by pushing the belly portion (projecting portion) of the return spring with a finger or by using a simple jig or the like, an engagement recess portion for temporary fixing The hinge pin that has been temporarily fixed can be easily accommodated in the fixing engagement recess portion for fastening by sliding the guide portion formed of an inclined surface. As described above, since the assembly work of the return spring can be performed smoothly, the assembly work of the entire lid device can be made more efficient.
[Brief description of the drawings]
FIG. 1 is a perspective view showing the overall configuration of the present invention.
FIG. 2 is a view showing an assembling procedure of a return spring which forms a main part of the present invention.
FIG. 3 is a perspective view showing an overall configuration of a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Lid main body 11 Bearing part 12 Bearing part 15 Support part 2 Hinge mechanism 21 Hinge pin 215 Crank part 22 Hinge bracket 222 Engagement hole 5 Return spring 51 Engagement recess part 52 for temporary fixing Projection part 53 Mountain part 54 Guide part 55 For fixation Engaging recess 56 Projection (abdomen)

Claims (1)

In a lid device comprising a lid body and a hinge mechanism that supports the lid body so as to be rotatable, the lid device is provided between a hinge pin and a hinge bracket that form the hinge mechanism. The return spring that operates so as to give a predetermined rotational force is made up of a leaf spring having an arcuate shape as a whole when viewed from the side, and is provided on one end side of the hinge bracket. It has a protrusion that engages with the engagement hole, and has a recessed engagement recess for temporary fixing that is temporarily fixed to the hinge pin on the other end side, and the engagement recess for temporary fixation There is a recessed locking engagement recess portion having an opening in the same direction as the temporary fastening engagement recess portion at a predetermined distance from the portion. Lid apparatus characterized by the the like.

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