JP2012162233A - Guard bar - Google Patents

Abstract

A guard bar having good operability when a front portion is used as a pull handle for a passenger to close a door.
A guard bar (3) is provided on a vehicle compartment side of a position where a window glass of a vehicle door (1) is projected and retracted so as to protect an upper edge portion of the window glass which is not fully retracted, so that a passenger can close the door (1). A recess 7 is formed on the outer side in the vehicle width direction of the front portion so that the fingertip can be hooked when the front portion is gripped as a handle.
[Selection] Figure 1

Description

  The present invention relates to a guard bar.

  Conventionally, large vehicles such as trucks have been designed with the lower edge of the door window lowered from the viewpoint of ensuring the side view of the occupant (especially the driver) as large as possible. When the lower end of the door is lowered, the height dimension of the portion of the door in which the window glass is accommodated becomes short, and it becomes difficult to completely accommodate the window glass.

  Even if the window glass is lowered to the lowest position, if the upper end portion remains in a slightly protruding state, there is a possibility that the upper edge portion of the window glass that is not fully immersed in the door may come into contact with the occupant. As shown in FIG. 3, a guard bar 3 is provided on the vehicle compartment side of the door 1 where the window glass 2 is projected and retracted to protect the upper edge portion of the window glass 2 that is not fully immersed. In FIG. 5, 4 is a seat, 5 is a steering handle, and 6 is a shift lever.

  The guard bar 3 is used not only for protecting the upper edge portion of the window glass 2 but also as a pull handle when the door 1 is closed. When the guard bar 3 is used as a pull handle, In the state where the occupant is seated on the seat 4, the guard bar 3 is grasped by hand and the door 1 is pulled toward the passenger compartment.

  At this time, if the door 1 is relatively wide open, the occupant can extend his hand outward in the vehicle width direction to grasp the rear portion of the guard bar 3 and pull the door 1 toward the passenger compartment by natural movement. If the door 1 is relatively small and open, if the rear part of the guard bar 3 is grasped and pulled, the arm 1 must be pulled in a cramped posture and it is difficult to close the door 1, rather, It is easier to close the door 1 by grasping and pulling the front part of the guard bar 3 which reaches with a little arm extension.

  The prior art document information related to this type of guard bar 3 includes the following Patent Document 1.

JP 2008-126980 A

  However, when the rear part of the guard bar 3 of the door 1 that is opened relatively large is gripped, the rear part can be gripped from a direction substantially perpendicular to the guard bar 3, but the guard bar 3 of the door 1 that is opened relatively small. When gripping the front part of the door, it is difficult to grip because the front part is gripped at a shallow angle along the guard bar 3, and there is no place to hang the fingertip. There are cases where the operability is poor with respect to the closing operation of the door 1 opened relatively small.

  In addition, as shown in FIG. 5, the shape of the general guard bar 3 is such that the front part is formed thicker in the front-rear direction than the rear part in order to bring out a design aesthetic appearance. As it rises from the lower edge and gradually changes to the rear, the cross section gradually changes to form a relatively narrow and substantially uniform rear part, so that the front part is harder to grip than the rear part. There was also a situation that it has become.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a guard bar with good operability when a front portion is used as a pull handle for a passenger to close a door.

  The present invention is a guard bar that is provided on the vehicle compartment side of a position where a window glass of a vehicle door protrudes and protects an upper edge portion of the window glass that does not fully sink, and a pull handle for a passenger to close the door The present invention relates to a guard bar characterized in that a recess is formed on the outer side of the front portion in the vehicle width direction so that the fingertip can be hooked when the front portion is gripped.

  Thus, in this way, when the occupant grasps the front part of the guard bar in an attempt to close the relatively small open door, the fingertip is firmly applied to the concave part on the outer side in the vehicle width direction of the front part. Since it is possible to grip and avoid a situation where the finger slips and pulls the door, the operability is greatly improved with respect to the closing operation of the door that is opened relatively small.

  Further, in the present invention, it is preferable to adopt gas injection molding to integrally form the entire shape, and in this way, even if the front portion becomes thicker due to the formation of the recess (or the design) (Even if the front portion of the guard bar is thick from the beginning to produce a beautiful aesthetic), this recess serves to narrow the cross-sectional area of the hollow portion (gas hole). By adjusting the size and the amount of dents, it is possible to avoid abrupt changes in the channel cross-sectional area of the hollow part (gas hole), which can also avoid sudden changes in internal pressure, resulting in good appearance quality with less gloss unevenness. It becomes possible to keep.

  That is, when a guard bar whose front part is simply formed thicker than the rear part is to be integrally formed by gas injection molding, the flow path cross-sectional area of the hollow part (gas hole) from the front part to the rear part changes rapidly. As a result, a sudden change in the internal pressure is caused and the appearance is uneven. Therefore, it is necessary to perform costly post-treatment such as painting after molding to improve the appearance quality. In this case, it is not necessary to perform such expensive post-processing.

  According to the guard bar of the present invention described above, various excellent effects as described below can be obtained.

  (I) According to the first aspect of the present invention, when the occupant closes the door which is opened relatively small, the front part of the guard bar can be gripped with the fingertip firmly placed in the recess, Thus, the door can be easily and reliably closed without incurring a situation that causes the door to be damaged, so that the operability when using the front portion of the guard bar as a pull handle can be greatly improved as compared with the prior art. .

  (II) According to the invention described in claim 2 of the present invention, even if the front portion is increased in appearance due to the formation of the concave portion (or the front portion of the guard bar is originally provided to produce a design aesthetic appearance. Even if it is thicker in appearance, this recess narrows the channel cross-sectional area of the hollow portion (gas hole) to avoid abrupt changes in the channel cross-sectional area, thereby reducing the internal pressure during gas injection molding. Abrupt changes can be avoided, so it is possible to integrally form a guard bar with good appearance quality with less unevenness of the luster, eliminating the need for post-processing such as painting to improve appearance quality after molding. Can be reduced.

It is a perspective view which shows an example of the form which implements this invention. It is the perspective view which looked at the guard bar of FIG. 1 from the vehicle interior side. It is sectional drawing of the III-III arrow of FIG. It is sectional drawing of the IV-IV arrow of FIG. It is the schematic which shows a prior art example.

  Embodiments of the present invention will be described below with reference to the drawings.

  1 to 4 show an example of an embodiment for carrying out the present invention, and portions denoted by the same reference numerals as those in FIG. 5 represent the same items.

  FIG. 1 is a perspective view of the guard bar 3 according to the present embodiment as viewed from the outside of the vehicle, and FIG. 2 is a perspective view of the guard bar 3 of FIG. 1 as viewed from the passenger compartment side. As shown in FIGS. In the embodiment, the front of the guard bar 3 is gripped as a pull handle for closing the door 1 so that the fingertip can be hooked when the front part (the right part in FIG. 1 and the left part in FIG. 2) is gripped. A recess 7 is formed on the outer side of the portion in the vehicle width direction.

  Here, the guard bar 3 adopts gas injection molding so that the entire shape is integrally formed. More specifically, the molten resin is injected into a closed mold, and immediately after nitrogen is injected. By injecting an inert gas such as gas into the molten resin, the molten resin is brought into close contact with the inner surface of the mold, and after the molten metal has cooled and solidified, the pressure of the gas is released and the mold is opened to have a hollow portion. The guard bar 3 is obtained as an injection molded product.

  That is, the cross section of the front portion of the guard bar 3 integrally formed by such gas injection molding has a hollow portion 8 (gas hole) as shown in FIG. The cross section is provided with a hollow portion 8 (gas hole) as shown in FIG. 4 (FIG. 3 is a cross section taken along the line III-III in FIG. 2, and FIG. 4 is a view taken along the IV-IV arrow in FIG. Cross section).

  Thus, when the guard bar 3 is configured in this way, when the occupant grasps the front part of the guard bar 3 in an attempt to close the door 1 that is opened relatively small, the concave part 7 on the outer side in the vehicle width direction of the front part. It is possible to hold the fingertip firmly on the door and to avoid the situation where the finger 1 slips and pulls the door 1 in advance, so that the operability is greatly improved with respect to the closing operation of the door 1 opened relatively small. Will be.

  Further, in the present embodiment, gas injection molding is adopted so that the entire shape is integrally formed. Therefore, even if the front portion of the guard bar 3 becomes thicker due to the formation of the recess 7 (or Even if the front part of the guard bar 3 is thick from the beginning in order to produce a aesthetic design, the concave part 7 serves to narrow the cross-sectional area of the hollow part 8 (gas hole). By adjusting the size of the recess 7 and the amount of the recess, it is possible to avoid a sudden change in the flow path cross-sectional area of the hollow part 8 (gas hole), thereby avoiding a sudden change in the internal pressure, and thereby reducing the unevenness of the gloss. It is possible to maintain a small and good appearance quality.

  That is, when the guard bar 3 whose front part is simply formed thicker than the rear part is to be integrally formed by gas injection molding, the flow path cross-sectional area of the hollow part 8 (gas hole) from the front part to the rear part is suddenly increased. As a result, a sudden change in internal pressure is caused to cause uneven gloss on the appearance, so it is necessary to perform costly post-processing such as painting after molding to improve the appearance quality, In the case of this embodiment, it is not necessary to perform such expensive post-processing.

Therefore, according to the above embodiment, when the occupant closes the door 1 that is opened relatively small, the front portion of the guard bar 3 can be gripped by firmly holding the fingertip on the recess 7 and the finger 1 is slipped. Since the door 1 can be easily and reliably closed without incurring such a situation that it is difficult to pull, the operability when the front portion of the guard bar 3 is used as a pull handle can be significantly improved.
Further, even when the door 1 is extremely open, there is a case where the front part that is easier to reach than the rear part of the guard bar 3 is gripped and pulled. Since the fingertip can be firmly hooked and grasped in the concave portion 7, the operability can be remarkably improved as compared with the prior art.

  Further, even if the front portion becomes thicker due to the formation of the concave portion 7 (or even if the front portion of the guard bar 3 is thicker from the beginning in order to produce a beautiful design), this concave portion 7 narrows the channel cross-sectional area of the hollow part (gas hole) to avoid abrupt changes in the channel cross-sectional area, thereby avoiding sudden changes in internal pressure during gas injection molding. The guard bar 3 with good appearance quality with little unevenness can be integrally formed, and the cost can be reduced by eliminating the need for post-processing such as painting after forming to improve the appearance quality.

  In addition, the guard bar of this invention is not limited only to the above-mentioned form example, Of course, various changes can be added within the range which does not deviate from the summary of this invention.

1 door 2 window glass 3 guard bar 7 recess

Claims (2)

  A guard bar that is provided on the vehicle compartment side of the window glass of the vehicle door and protects the upper edge portion of the window glass that does not fully penetrate, and has a front portion as a pull handle for the passenger to close the door. A guard bar, wherein a recess is formed on the outer side in the vehicle width direction of the front portion so that a fingertip can be hooked when grasped.   The guard bar according to claim 1, wherein the overall shape is integrally formed by adopting gas injection molding.

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