Door opening adjustment mechanism for vehicle

Abstract

To provide a door opening adjustment mechanism for a vehicle which suppresses noise and which can secure stable action with a simple structure.SOLUTION: An adjustment mechanism 100 adjusts opening of a front door of a vehicle and includes: a lever 104 fixed to an upper part or a lower part of a door hinge of an opening part for a door of a vehicle and inserted in the front door; a case 116 which is installed in the front door and in which the lever 104 is inserted; a pair of resin shoes 126a, 126b for sandwiching the lever 104 from both sides in the case 116; springs 130a, 130b arranged in the case 116, and for pressing the pair of shoes 126a, 126b to the lever 104 respectively; and a resin cage 132 arranged in the case 116 so as to surround the lever 104, and for supporting the shoes 126a, 126b so as to slide.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to a door opening adjustment mechanism for a vehicle. [Background technology]

[0002] Current vehicles may be equipped with a door opening adjustment mechanism that holds the door in a position halfway between opening and closing. For example, the automobile door check device of Patent Document 1 is mainly composed of a link 4 (lever) fixed to the vehicle body and a holding member 5 fixed inside the door. Inside the holding member 5, shoes 8 and 9 are pressed against the link 4 by springs 10 and 11, which makes it possible to pinch the wavy part of the link 4 and hold the position. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2019-203355 A Summary of the Invention [Problem to be solved by the invention]

[0004] In the door opening adjustment mechanism, the shoe slides inside the case, and depending on the molding precision of the case, the shoe may strike the inside of the case, generating abnormal noise. In addition, the case must have high rigidity because it is subjected to a certain load when maintaining the door opening. In other words, the case must have high molding precision and rigidity. For this reason, for example, resin cases tend to be large and expensive, and metal cases may require high technical capabilities to be molded.

[0005] In view of the above problems, an object of the present invention is to provide a vehicle door opening adjustment mechanism that has a simple configuration, suppresses abnormal noise, and ensures stable operation. [Means for solving the problem]

[0006] In order to solve the above problems, a representative configuration of a vehicle door opening adjustment mechanism according to the present invention is a vehicle door opening adjustment mechanism that adjusts the opening degree of a vehicle door, characterized in that the vehicle door opening adjustment mechanism includes a lever that is fixed above or below a door hinge of a door opening of the vehicle and inserted into the door, a case that is installed in the door and into which the lever is inserted, a pair of resin shoes that sandwich the lever from both sides within the case, springs that are arranged within the case and press each of the pair of shoes against the lever, and a resin cage that is arranged within the case to surround the lever and slidably support the shoes. Effect of the Invention

[0007] According to the present invention, it is possible to provide a vehicle door opening adjustment mechanism that has a simple configuration, suppresses abnormal noise, and ensures stable operation. [Brief description of the drawings]

[0008] [Figure 1] 1 is a diagram showing an overview of a vehicle door opening adjustment mechanism according to an embodiment of the present invention; [Diagram 2] FIG. 2 is an exploded view of the adjustment mechanism of FIG. [Diagram 3] FIG. 3 is an enlarged view of the cage of FIG. 2. [Figure 4] FIG. 2 is an enlarged view of the shoe and cage. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] A vehicle door opening adjustment mechanism according to one embodiment of the present invention is a vehicle door opening adjustment mechanism that adjusts the opening degree of a vehicle door, and is characterized in that it includes a lever that is fixed above or below a door hinge of a door opening of the vehicle and inserted into the door, a case that is installed in the door and into which the lever is inserted, a pair of resin shoes that sandwich the lever from both sides within the case, springs that are disposed within the case and press each of the pair of shoes against the lever, and a resin cage that is disposed within the case to surround the lever and slidably support the shoes.

[0010] According to the above configuration, the movement of the shoe is restricted by the cage, so that the generation of abnormal noises, hitting sounds, etc. can be suppressed and stable operation can be ensured. Furthermore, since both the shoe and the cage are made of resin, in addition to being easy to mold, noise is unlikely to be generated when they come into contact with each other, and wear can be suppressed compared to when one of them is made of metal, etc.

[0011] The vehicle door opening adjustment mechanism may further include a guide hole that passes through the cage in a direction perpendicular to the length of the lever and through which the shoe can slide.

[0012] According to the above-mentioned cage, the movement of the shoe can be restricted in a direction perpendicular to the longitudinal direction of the lever, thereby allowing the shoe to come into proper contact with the lever, thereby stabilizing the operation of the vehicle door opening adjustment mechanism and preventing the occurrence of abnormal noise, etc.

[0013] The vehicle door opening adjustment mechanism may further have one or more rotation regulating portions that protrude inwardly into the guide hole and regulate the rotation of the shoe, and a notch portion that is formed continuously in a direction perpendicular to the sliding direction of the shoe and is cut out according to the shape of the rotation regulating portion.

[0014] The above-described configuration also makes it possible to prevent the shoe from rotating and to operate the shoe correctly, thereby stabilizing the operation of the vehicle door opening adjustment mechanism and preventing the occurrence of abnormal noise and the like.

[0015] The rotation restricting portion may include a flat portion that is a predetermined range of the inner surface of the guide hole that is flat, and the cutout portion may include a planar cutout corresponding to the flat portion.

[0016] The above-described configuration also makes it possible to prevent the shoe from rotating and to operate the shoe correctly, thereby stabilizing the operation of the vehicle door opening adjustment mechanism and preventing the occurrence of abnormal noise and the like.

[0017] The rotation restricting portion may include a bulging portion that bulges inwardly into the guide hole, and the cutout portion may include a portion in which a hole is provided by cutting out a concave range corresponding to the bulging portion.

[0018] The above-described configuration also makes it possible to prevent the shoe from rotating and to operate the shoe correctly, thereby stabilizing the operation of the vehicle door opening adjustment mechanism and preventing the occurrence of abnormal noise and the like. EXAMPLES

[0019] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The dimensions, materials, and other specific values ​​shown in the embodiments are merely examples for facilitating understanding of the invention, and do not limit the present invention unless otherwise specified. In this specification and drawings, elements having substantially the same functions and configurations are given the same reference numerals to avoid repeated explanations, and elements not directly related to the present invention are not shown.

[0020] Fig. 1 is a diagram showing an overview of a vehicle door opening adjustment mechanism (hereinafter, adjustment mechanism 100) according to an embodiment of the present invention. Fig. 1(a) shows a front door 102 of a vehicle to which the adjustment mechanism 100 is implemented. Hereinafter, in Fig. 1 and all other drawings of the present application, the front-rear direction of the vehicle is indicated by arrows F (Forward) and B (Backward), the left and right in the vehicle width direction are indicated by arrows L (Leftward) and R (Rightward), and the up-down direction of the vehicle is indicated by arrows U (Upward) and D (Downward).

[0021] 1(a) shows the front range of the front door 102 as viewed from the outside of the vehicle, with the outer panel of the front door 102 omitted. The adjustment mechanism 100 is a mechanism for adjusting the opening degree of the front door 102, and is capable of maintaining the degree of opening of the front door 102 in a stepwise manner.

[0022] Fig. 1(b) is an enlarged view of the adjustment mechanism 100 in Fig. 1(a). The adjustment mechanism 100 is mainly composed of a lever 104 and a main body 106. A bracket 108 at the base of the lever 104 is fixed to the vehicle body side, not to the front door 102. The main body 106 is fixed to the front side of the vehicle inside the front door 102, and the lever 104 is inserted into it.

[0023] When the front door 102 is opened, the main body 106 moves on the lever 104. At this time, shoes 126a, 126b (see FIG. 2) inside the main body 106 are biased by springs 130a, 130b and engage with the recess 112 on the lever 104. Due to the force of this engagement, the adjustment mechanism 100 holds the front door 102 in the open state.

[0024] Fig. 2 is an exploded view of the adjustment mechanism 100 of Fig. 1(b). As described above, the bracket 108 to which the base side of the lever 104 is connected is fixed above or below the door hinge of the door opening 110 of the vehicle. The tip side of the lever 104 extends from the bracket 108 toward the front side of the front door 102 in the closed state, is inserted into the front door 102, and is installed in a state in which it penetrates each component that constitutes the main body 106.

[0025] The upper and lower edges of the lever 104 are provided with a number of recesses 112, giving the lever an overall wavy shape, so that the shoes 126a, 126b engage with each other from above and below. The tip 114 of the lever 104 is wide both vertically so as not to slip out of the opening 124 of the lid 120 of the main body 106.

[0026] The case 116 of the main body 106 is mainly composed of a metal housing 118 and a lid 120. The housing 118 is fixed to the front side of the front door 102 using bolts 122 or other fasteners. The lid 120 is provided with an opening 124 into which the lever 104 can be inserted. An opening into which the lever 104 can be inserted is also provided in a bottom portion (not shown) of the housing 118.

[0027] The pair of shoes 126a, 126b are resin members that sandwich the lever 104 from above and below, and are disposed on both the top and bottom sides of the lever 104 inside the case 116. The shape of the tip portions 128 of the shoes 126a, 126b corresponds to the shape of the recess 112 of the lever 104.

[0028] The springs 130a, 130b are disposed within the case 116 and use a biasing force to press the shoes 126a, 126b, respectively, against the lever 104.

[0029] Cage 132 is a resin member disposed within case 116 to surround lever 104, and serves to slidably support shoes 126a, 126b. Cage 132 is fitted into housing 118 by utilizing multiple protrusions 134 on the sides. Cage 132 is formed with an opening 136 through which lever 104 passes, and is provided with guide holes 138 through which shoes 126a, 126b slide in a direction perpendicular to the longitudinal direction of lever 104.

[0030] Fig. 3 is an enlarged view of the cage 132 in Fig. 2. Fig. 3 is a perspective view of the cage 132. The cage 132 is a rectangle that is long vertically, and is provided with a guide hole 138 that penetrates an upper surface portion 140 and a lower surface portion 142. The cage 132 uses the guide hole 138 to restrict the movement of the shoes 126a, 126b in a direction perpendicular to the longitudinal direction of the lever 104, thereby bringing the shoes 126a, 126b into proper contact with the lever 104, thereby stabilizing the operation of the adjustment mechanism 100 and preventing the generation of abnormal noise and the like.

[0031] Fig. 3(b) is a top view of the guide hole 138 in Fig. 3(a). The guide hole 138 is not formed in a perfect circle so that the inserted shoes 126a, 126b do not rotate. More specifically, the guide hole 138 is formed with a plurality of rotation restricting portions 144. The rotation restricting portions 144 are portions formed to protrude inward of the guide hole 138, and include flat portions 146a, 146b and bulging portions 148a, 148b, and interfere with the shoe 126a to prevent the shoe 126a from rotating.

[0032] The flat portions 146a, 146b are formed by projecting a predetermined range of the inner surface of the guide hole 138 onto a flat surface, and are formed as a pair on the mutually facing surfaces of the guide hole 138. The bulging portions 148a, 148b are formed by projecting so as to bulge in a mountain shape toward the inside of the guide hole 138, and are formed as a pair at positions perpendicular to the flat portions 146a, 146b.

[0033] Figure 4 is an enlarged view of the shoe 126a and the cage 132 in Figure 2. Figure 4(a) is an enlarged view of the shoe 126a in Figure 2. The shoe 126a is formed as a cylindrical member made of resin.

[0034] Shoe 126a is formed with a notch 150 and a notch hole 152 in accordance with rotation restriction portion 144 of guide hole 138. Notch 150 is formed by continuously cutting out the side surface of shoe 126a in a planar shape in a direction perpendicular to the movement direction of shoe 126a, i.e., the longitudinal direction of lever 104, in accordance with the shapes of planar portions 146a, 146b.

[0035] The cutout hole portion 152 is formed by cutting out a recessed area of ​​the side surface of the cylindrical shoe 126a in accordance with the mountain-shaped bulges 148a, 148b, and providing a hole penetrating the inside of the cylinder.

[0036] An interference portion 154 is formed at the end of shoe 126a opposite lever 104. Since interference portion 154 does not have a notched hole portion 152, it interferes with the portion of guide hole 138 where bulges 148a, 148b are located, and shoe 126a is prevented from moving any further inwardly of cage 132.

[0037] Fig. 4(b) is an enlarged view showing a vertical cut of a portion of the cage 132 in Fig. 2. In Fig. 4(b), the cage 132 in Fig. 3(a) is cut vertically to divide it into left and right halves in order to show the inside of the cage 132. The bulging portions 148a are formed continuously in the longitudinal direction of the cage 132.

[0038] Fig. 4(c) is a diagram showing the shoe 126a of Fig. 4(a) inserted into the cage 132 of Fig. 4(b). Fig. 4(c) shows the shoe 126a cut vertically, like the cage 132. An internal protrusion 156 into which the spring 130a (see Fig. 2) fits is formed on the inside of the shoe 126a. The internal protrusion 156 fits inside the coil of the spring 130a, guiding the expansion and contraction of the spring 130a while preventing the spring 130a from tilting.

[0039] The shoe 126a is able to slide inside the cage 132 without rotating because the notches 150 and the like engage with the rotation restriction portions of the cage 132. Also, the interference portion 154 interferes with the entrance of the guide hole 138, limiting the movement of the shoe 126a into the cage 132. This configuration allows the shoe 126a to operate correctly, stabilizing the operation of the adjustment mechanism 100 and preventing the generation of abnormal noise and the like.

[0040] The mountain-shaped bulge 148a functions as a centering guide to keep the lever 104 always in the center within the case 116 (see FIG. 2). Normally, in order to realize a configuration in which the side of the shoe 126a does not interfere with the bulge 148a, it is considered to increase the size of the cage 132 to move the bulge 148a away from the side of the shoe 126a. However, in this configuration, a gap is generated between the bulge 148a and the lever 104, which impairs the stability of the lever 104, and therefore it becomes necessary to increase the width of the lever 104. Therefore, in this embodiment, a cutout hole 152 is provided in the shoe 126a, and the cutout hole 152 prevents the bulge 148a from interfering with the shoe 126a. This prevents the cage 132 and the lever 104 from becoming larger, and achieves a reduction in size and weight of the entire configuration.

[0041] According to the adjustment mechanism 100 of this embodiment, the movement of the shoes 126a, 126b is restricted by the cage 132, so that the generation of abnormal noises, hitting sounds, etc. can be suppressed and stable operation can be ensured. Also, since the shoes 126a, 126b and the cage 132 are all made of resin, in addition to being easily moldable with high precision, noise is unlikely to be generated when they come into contact with each other, and wear can be suppressed compared to when one of them is made of metal, etc.

[0042] That is, in this embodiment, case 116 is made of metal to ensure strength, and shoes 126a, 126b and cage 132 are made of resin and can be processed easily and with high precision, thereby ensuring robustness and stable sliding.

[0043] Although the preferred embodiment of the present invention has been described above with reference to the accompanying drawings, it goes without saying that the present invention is not limited to the above-described embodiment. It is clear that a person skilled in the art can think of various modifications or alterations within the scope of the claims, and it is understood that these also naturally belong to the technical scope of the present invention. [Industrial Applicability]

[0044] The present invention can be used in a vehicle door opening adjustment mechanism. [Explanation of symbols]

[0045] 100...adjustment mechanism, 102...front door, 104...lever, 106...main body, 108...bracket, 110...door opening, 112...recess, 114...tip, 116...case, 118...housing, 120...lid, 122...bolt, 124...opening, 126a, 126b...shoe, 128...tip, 130a, 130b...spring, 132...cage, 134...projection, 136...opening, 138...guide hole, 140...upper surface, 142...lower surface, 144...rotation restriction portion, 146a, 146b...flat portion, 148a, 148b...bulging portion, 150...notch, 152...notch hole portion, 154...interference portion, 156...internal projection

Claims

1. A vehicle door opening adjustment mechanism for adjusting the opening degree of a vehicle door, The vehicle door opening adjustment mechanism includes: a lever fixed above or below a door hinge of a door opening of the vehicle and inserted into the door; a case that is installed in the door and into which the lever is inserted; A pair of resin shoes that sandwich the lever from both sides within the case; a coil spring disposed within the case and pressing each of the pair of shoes against the lever; a resin cage disposed within the case so as to surround the lever and slidably support the shoe; Equipped with The case includes a metal housing, The shoe has an internal protrusion that fits inside the coil spring, The cage has a plurality of protrusions on a side of the cage, and is fitted into the housing by utilizing the plurality of protrusions, The vehicle door opening adjustment mechanism further includes a guide hole that passes through the cage in a direction perpendicular to the length direction of the lever and in which the shoe can slide, The cage is a long rectangle, The guide hole is provided through an upper surface portion and a lower surface portion of the cage, The shoe further has an interference portion provided at an end opposite to the lever and adapted to interfere with the guide hole, a pair of shoes each having a tip end inserted into the guide hole and biased into the cage by the spring;

2. The vehicle door opening adjustment mechanism further comprises: one or more rotation restricting portions that protrude toward the inside of the guide hole and restrict rotation of the shoe; 2. The vehicle door opening adjustment mechanism according to claim 1, further comprising a notch formed continuously in a direction perpendicular to the sliding direction of the shoe and cut out in accordance with a shape of the rotation restricting portion.

3. The rotation restricting portion includes a flat portion that is a predetermined range of an inner surface of the guide hole, 3. The vehicle door opening adjustment mechanism according to claim 2, wherein the cutout portion includes a flat cutout corresponding to the flat surface portion.

4. The rotation restricting portion includes a bulging portion that bulges toward an inside of the guide hole, 3. The vehicle door opening adjustment mechanism according to claim 2, wherein the cutout portion includes a cutout hole portion formed by cutting out a concave area corresponding to the bulging portion to provide a hole.

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