JP3393281B2 - Car door check link - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door body which is openably and closably supported at a side edge portion of a door opening of a vehicle body, and one end of an arm member is provided at a side edge portion of the door opening or a side edge portion of the door body. A case body in which a guide member is mounted is fixed to the side edge portion of the door opening or the other side edge portion of the door body, and the arm member is moved by the guide member. The present invention relates to an automobile door check link that is designed to guide you as much as possible.

[0002]

2. Description of the Related Art As a conventional automobile door check link, there is one as shown in FIGS. That is, as shown in FIG. 7, a dust seal is provided in the gap between the side edge portion of the door body and the case body, and the dust seal is provided at the side edge portion of the door body and the front portion of the case body, respectively. The insertion hole for the arm member provided is closed to prevent water and dust from entering the inside of the door body, and to suppress the inflow and outflow of air between the inside and outside of the door body as much as possible. For the same purpose, the insertion hole edge of the dust seal is
The arm member is elastically slidably in contact with the arm member.

[0003]

However, in such a conventional vehicle door check link, as shown in FIG. 8, since the dust seal is not positioned and fixed to the case body, as shown in FIG. In addition, the dust seal is attached at an inappropriate position, and the insertion hole edge of the dust seal does not elastically slidably contact the arm member, which may cause a gap between the two. It enters the case body through the insertion port and adheres to the guide member for guiding the arm member, which may cause abnormal noise and rust.In addition, there is a temperature difference between the inside and outside of the vehicle, If air flows in or out between the passengers, the occupant feels uncomfortable, and the dust seal itself is cracked, which causes abnormal noise. The present invention has been made in view of such conventional problems, and forms a locking portion on the dust seal, locks the locking portion on the case body, and positions and fixes the dust seal on the case body. Thus, it is an object of the present invention to provide an automobile door check link in which the dust seal is always fixed at an appropriate position with respect to the case body, and water and dust can surely be prevented from entering the case body. .

[0004]

The gist of the present invention for achieving the above object lies in the inventions described in the following items. 1 A door body (20) is supported by a side edge of a door opening of a vehicle body so as to be openable and closable, and one end of an arm member (30) is provided at a side edge of the door opening or a side edge (22) of the door body (20). The case body (40), which is connected to one side edge portion of the door body, and in which the guide member (45) is installed, is provided on the side edge portion of the door opening or the other side edge portion of the side edge portion (22) of the door body (20). In the door check link for an automobile, which is fixed to the vehicle body and movably guides the arm member (30) by the guide member (45), the case body (40) includes a case member (41).
And a cover member (42), the other side edge portion, the front portion of the case member (41), and the cover member (42).
Each of the side edges of the other side edge is provided with a dust seal (50) for preventing dust or the like from entering the inside of the vehicle body through the insertion hole. And a front portion of the cover member (42), and a pair of ends extending from the both side edges of the dust seal (50) to the rear surface side along the side wall portion of the case member (41). Forming an extension (53),
The tip of each of the pair of extended portions (53) is engaged with the rim of the insertion opening (43) of the case member (41) to enable positioning with respect to the case body (40). A door check link for an automobile, characterized in that a stop (55) is formed.

2 The door body (20) is supported by the side edge of the door opening of the vehicle body so as to be openable and closable, and one end of the arm member (30) is attached to the side edge of the door opening or the side edge of the door body (20). (22) is connected to one side edge of the guide member (4
The case body (40) in which 5) is installed is fixed to the side edge portion of the door opening or the other side edge portion of the side edge portion (22) of the door body (20), and the guide member (45) is used to In a door check link for a vehicle, which movably guides an arm member (30), the arm member (30) is provided at the other side edge portion and a front surface portion of the case body (40).
And a dust seal (60) for preventing dust and the like from entering the inside of the vehicle body through the insertion holes. The dust seal (60) is provided on the other side edge portion and the case body (40). The dust seal (60) is interposed in a gap between the front face portion and the seal body (61) interposed in the gap between the other side edge portion and the front face portion of the case body (40). It extends from both side edges of the seal body (61) to the back surface of the case body (40) and spreads along the back surface, and when the door body (20) opens, the other arm member (30) The stopper receiving portion (63) with which the end portion abuts, and the insertion opening (43) for the arm member (30) on the back side of the case body (40) which is formed continuously with the stopper receiving portion (63). And a locking portion (65) for locking to the rim, Stop portion (65) is provided in a pair, the pair of locking portions (65) is integrally formed on the stopper support (63), the pair of locking portions (6
A door check link for an automobile, characterized in that the arm member (30) can be inserted into a gap between the door check link and the armature (30). 3 The dust seal (60) includes the seal body (61), portions extending from both side edges of the seal body (61) to the back surface of the case body (40), and the stopper receiving portion (63). The vehicle door check link according to claim 1 or 2, which is formed in an annular shape and is mounted so as to surround the case body (40).

Next, the operation of the invention of each of the above items will be described. Before attaching the door check link to the vehicle body, attach the locking portion (55) of the dust seal (50) to the case body (40).
Be locked to. Next, one end of the arm member (30) is connected to the side edge of the door opening or the side edge (2) of the door body (20).
2) is connected to one side edge of the guide member (4)
The case body (40) in which 5) is installed is fixed to the side edge of the door opening or the other side edge of the side edge (22) of the door body (20). At this time, the other side edge and the case body (4
The dust seal (50) is interposed in the gap between the front part of (0).

In the state where the dust seal (50) is interposed in the gap between the other side edge portion and the front portion of the case body (40), the dust seal (50) serves as the case body (40).
The dust seal (5
0) is interposed at an appropriate position, and the side edge portion (22) of the door body (20) and the insertion opening (23) formed in the front portion of the case body (40) have dust seals (5).
0), and since the edge of the insertion hole for the arm member of the dust seal (50) slidably contacts the arm member (30), it passes through the insertion port (23) and the insertion hole for the arm member. It is possible to prevent dust and the like from entering the inside of the vehicle body.

In the vehicle door check link according to the second aspect of the present invention, since the dust seal (60) is formed with the stopper receiving portion (63) extending along the back surface of the case body (40), the door body (20). ) When the door is opened, the other end side of the arm member (30) elastically abuts on the stopper receiving portion (63), a buffering effect can be expected, and when the abutting on the stopper receiving portion (63) occurs. Impact noise can be reduced.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Various embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a first embodiment of the present invention. As shown in FIG. 1, a door main body 20 is supported by a door hinge so as to be openable and closable on a side edge portion of a door opening (not shown) of a vehicle body, for example, a pillar.
An arm member 30 is provided so as to be retracted from the inside of the side edge portion 22 of the door body 20 according to the opening / closing operation of the door body 20, and the opening / closing state of the door body 20 can be detected by the retracting operation.

At a mounting portion (not shown) inside the pillar,
One end of the arm member 30 is swingably supported.
As shown in FIGS. 1 to 3, a case body 40 is fixedly provided on the inner surface side of the door body 20. The case body 40 includes a case member 41 and a cover member 42 to form a housing space. In the accommodation space of the case body 40, a pair of guide members 45 that resiliently contact the upper surface and the lower surface of the arm member 30 and movably guide the arm member 30 are provided. An elastic member 46 that urges the pair of guide members 45 in a direction of abutting the upper surface and the lower surface of the arm member 30 is disposed in the housing space of the case body 40.

The side edge portion 22 of the door body 20 is formed with an insertion opening 23 for inserting the arm member 30, and the case member 41 and the cover member 42 are also formed for inserting the arm member 30. Insertion ports 43 and 44 are provided. The arm member 30 that is located inside the door body 20 through the insertion port 23, the insertion port 44, and the insertion port 43.
A stopper 35 is attached to the other end of the stopper 35.
Is stopped by the stopper pin 36.

A seal body 51 of a dust seal 50 is interposed in the gap between the side edge portion 22 of the door body 20 and the front surface of the cover member 42. The seal main body 51 is provided with an elongated rectangular insertion hole 52 for allowing the arm member 30 to pass therethrough. The hole width of the insertion hole 52 corresponds to the plate width of the arm member 30. Further, the vertical length of the insertion hole 52 is set to be smaller than the plate thickness of the arm member 30, and notches 56 are formed at upper and lower ends of both ends of the insertion hole 52, respectively, and the upper edge 57 of the insertion hole 52 is formed. The lower edge 58 is elastically abuttable on the upper surface and the lower surface of the arm member 30. A pair of extended portions 53 extending to the back side along the side wall of the case member 41 is formed on both side edges of the seal body 51 of the dust seal 50. Is the case member 41
Locking portions 55 that lock with the edges of the insertion holes 43 are formed.

Next, the operation will be described. Before mounting the door check link on the vehicle body, the pair of locking portions 55 of the dust seal 50 are locked to the edges of the insertion opening 43 of the case member 41, respectively. As a result, the dust seal 50 is fixed to the regular position with respect to the case body 40. Next, one end of the arm member 30 is pivotally attached to a mounting portion in a pillar (not shown), while the case body 40 is attached to the side edge portion 22 of the door body 20.
Screw on. At this time, the side edge portion 22 of the door body 20
The seal main body 51 of the dust seal 50 is interposed in the gap between the cover member 42 and the front surface of the cover member 42.

Since the dust seal 50 itself is fixed at a proper position with respect to the case body 40 when the seal body 51 of the dust seal 50 is interposed, the dust seal 50 is attached to the side edge portion 22 of the door body 20. The insertion opening 2 is fixed at an appropriate position, and is formed in the side edge portion 22 of the door body 20 and the front portion of the case member 41, respectively.
3, 44 are blocked by the dust seal 50. Further, the upper edge 57 and the lower edge 58 of the insertion hole 52 of the dust seal 50 can elastically and slidably contact the upper surface and the lower surface of the arm member 30, whereby the insertion holes 23, 44 and the insertion hole 52.
Through this, it is possible to prevent water, dust, and the like from entering the inside of the door body 20.

Therefore, water and dust do not enter the case body 40, water and dust do not adhere to the guide member 45, and the cause of abnormal noise and rust can be eliminated. In addition, the amount of air coming in and out between the inside and outside of the door body 20 is extremely small, and even if there is a difference in temperature inside and outside the vehicle, the outside air flowing into the vehicle interior is extremely small, and passengers may feel uncomfortable. Absent. Furthermore, since the hole edge of the insertion hole 52 of the dust seal 50 appropriately slides on the arm member 30, the dust seal 50 is not cracked.

Next, a second embodiment of the present invention will be described. In the present embodiment, the same components as those of the first embodiment will be described with the same reference numerals. As shown in FIGS. 4 to 6, in the dust seal 60 according to the second embodiment, a stopper receiving portion 63 that extends from both side edges of the seal body 61 to the back surface of the case member 41 and spreads along the back surface is integrated. Of the case member 41 is formed in the central portion of the stopper receiving portion 63.
A pair of locking portions 65 that locks on the rim of the mouth 3 are also integrally formed. The arm member 30 can be inserted into the gap between the pair of locking portions 65.

The dust seal 60 has a stopper receiving portion 63.
Since the stopper is formed, the stopper 35 of the arm member 30 elastically abuts the stopper receiving portion 63 when the door body 20 is opened, and the impact when the stopper 35 abuts the stopper receiving portion 63. The sound can be softened. In the present embodiment, the engagement portion 65 of the dust seal 60 is shown to engage with the edge of the insertion opening 43 of the case member 41, but the invention is not limited to this. It is also possible to form a stop recess and lock the locking portion 65 in the locking recess. Further, the locking portion 65 is attached to the cover member 42.
You may make it latch to the side edge part of.

[0018]

According to the door check link for an automobile of the present invention, the dust seal is formed with a locking portion, the locking portion is locked to the case body, and the dust seal is positioned and fixed to the case body. Thus, the dust seal is always fixed at an appropriate position with respect to the case body, and water and dust can be reliably prevented from entering the case body.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part of a vehicle door check link showing a first embodiment of the present invention.

FIG. 2 is a perspective view of the case body of the vehicle door check link showing the first embodiment of the present invention.

FIG. 3 is a perspective view of a dust seal of a vehicle door check link showing the first embodiment of the present invention.

FIG. 4 is a sectional view of a main part of a vehicle door check link showing a second embodiment of the present invention.

FIG. 5 is a perspective view of a case body and the like of a vehicle door check link showing a second embodiment of the present invention.

FIG. 6 is a perspective view of a dust seal of a vehicle door check link showing a second embodiment of the present invention.

FIG. 7 is a side view of a conventional vehicle door check link in a mounted state.

FIG. 8 is a side view of a conventional vehicle door check link.

FIG. 9 is a side view of a conventional vehicle door check link in a mounted state.

[Explanation of symbols]

20 ... Door body 23 ... Insertion port 30 ... Arm member 35 ... Stopper 36 ... Stopper pin 40 ... Case body 41 ... Case member 42 ... Cover member 43, 44 ... insertion port 45 ... Guide member 50, 60 ... Dust seal 51, 61 ... Seal body 52 ... insertion hole 53 ... extension part 55, 65 ... Locking part 63 ... Stopper receiving part

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) E05C 17/22 B60J 5/04

Claims (3)

(57) [Claims] 1. A door body is openably and closably supported on a side edge portion of a door opening of a vehicle body, and one end of an arm member is connected to a side edge portion of the door opening or one side edge portion of the side edge portion of the door body. Then, the case body in which the guide member is installed is fixed to the side edge portion of the door opening or the other side edge portion of the door body, and the guide member movably guides the arm member. In the vehicle door check link described above, the case body includes a case member and a cover member, and the arm member can be inserted through the other side edge portion, the front surface portion of the case body, and the cover member. And a dust seal for preventing dust and the like from entering the inside of the vehicle body through the insertion opening in the gap between the other side edge portion and the front surface portion of the cover member. From both sides of the dust seal A pair of extended portions extending to the rear surface side is formed along the side wall portion of the base member, and the distal ends of the pair of extended portions are locked to the rim of the insertion port of the case member. The vehicle door check link is characterized in that a locking portion that enables positioning with respect to the case body is formed. 2. A door body is supported by a side edge portion of a door opening of a vehicle body so as to be openable and closable, and one end portion of an arm member is connected to a side edge portion of the door opening or one side edge portion of the side edge portion of the door body. Then, the case body in which the guide member is installed is fixed to the side edge portion of the door opening or the other side edge portion of the door body, and the guide member movably guides the arm member. In the vehicle door check link described above, the other side edge portion and the front portion of the case body are respectively provided with through holes through which the arm members can be inserted, and dust and the like enter the inside of the vehicle body through the through holes. A dust seal for preventing the interposition of the dust seal between the other side edge portion and the front surface portion of the case body, the dust seal, between the other side edge portion and the front surface portion of the case body. A seal body interposed in the gap between the A stopper receiving portion that extends from both side edges of the seal main body to the rear surface of the case body and spreads along the rear surface so that the other end of the arm member abuts when the door main body opens. A locking portion that is formed continuously with the receiving portion and that locks to the edge of the insertion opening for the arm member on the back side of the case body, the locking portion is provided in a pair, and the pair of engaging portions is provided. The door check link for an automobile, wherein the stopper is formed integrally with the stopper receiving portion so that the arm member can be inserted into a gap between the pair of locking portions. 3. The dust seal includes the seal body,
3. A portion extending from both side edges of the seal body to a back surface portion of the case body and the stopper receiving portion are formed in an annular shape, and are mounted so as to surround the case body. Vehicle door check link described in.