JPH0811885B2 - Vehicle traffic control device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle traffic control device which is mainly installed and used in a vehicle entrance such as an entrance of a parking lot, an entrance of a park, or a boundary between a private land and a road.

[0002]

2. Description of the Related Art Conventionally, for example, as a traffic control device for vehicles at entrances and exits of parking lots, a cord or the like such as a chain is stretched between props standing upright, and at least one of the cords is stretched. There is one in which one end is connected to a support member provided in a support, and the cord is moved up and down by the support member to open and close (for example, Japanese Utility Model Publication No. 3-365).
70 and JP-A-63-261089).
It has also been proposed to allow these passing users to automatically open and close by an electric signal or the like.

[0003]

However, the traffic control device of this type of vehicle is convenient for a vehicle of an authorized user who can move the rope body up and down to pass, but a rope such as a chain is required. If the user's vehicle is accidentally passed or the vehicle of an unauthorized user other than the contractor is forced to pass while the body is being stretched, the cord body will be cut off, and Even if the cord body is not cut, the connecting portion with the column will be damaged. If such damage occurs,
Replacing the rope body and repairing the connecting part are necessary, which requires a great deal of cost.

The present invention has been made in view of the above, and when a vehicle accidentally or forcibly attempts to pass while the rope body such as a chain is stretched, the force at the connecting portion of the rope body to the support column. (EN) Provided is a vehicle traffic control device having a connection structure capable of automatically disconnecting the connection depending on the degree of engagement and preventing the damage.

[0005]

DISCLOSURE OF THE INVENTION The present invention which solves the above-mentioned problems is directed to a traffic control device for a vehicle in which a cord-shaped body such as a chain is bridged between two columns which are erected at a distance. , At least one end of the cord is detachably connected to a support member provided on one of the columns, and a connecting pin having an engaging recess on the outer periphery is attached to the one end of the cord, and the connection is made. The pin is inserted into an engagement hole provided in the support member, a lock pin provided in the peripheral portion of the engagement hole engages with the engagement concave portion, and a tensile force in the vehicle traveling direction is applied to the cord body. The lock pin is provided so that the lock pin is disengaged and withdrawn when the action occurs.

Further, according to the invention of the present invention, as a means for releasably connecting the end portion of the cord body to the support member as described above,
A connecting pin having an engaging concave portion on the outer periphery is attached to the one end of the cord body, and an engaging hole into which the connecting pin is fitted in a substantially horizontal direction is provided in the supporting member from the facing surface side of both columns. ,
The engagement hole is formed so as to be expanded so as to allow eccentricity of the connecting pin that is fitted in such a manner that the surface on one side in the vehicle traveling direction forms an inclined surface from the back toward the opening side, and the peripheral portion of the engagement hole is formed. On the side of the expanded inclined surface, a pressing pin that is biased by a spring toward the engaging hole and presses the connecting pin fitted into the engaging hole to the other side is provided, and on the side opposite to the pressing pin. ,
A lock pin is provided that is biased by a spring toward the engagement hole and protrudes so as to engage with the engagement recess of the connecting pin that is pressed by the pressing pin, and that the protrusion of the lock pin is restricted to a certain degree or more. It is characterized in that it is configured so as to be pulled out from the engagement hole when it is eccentric to the side of the expanded inclined surface against the pressing force of the pressing pin.

In the above passage restricting device, the engagement holes of the support member are provided with eccentricity toward both sides of the connecting pin into which the surfaces on both sides in the vehicle passage direction are fitted so as to form inclined surfaces from the inner side toward the opening side. The lock pin, which is expanded so as to allow it, is provided with pressure on both sides of the expansion sloped surface facing each other toward the engaging hole by a spring, and also serves as a pressing pin that is restricted from projecting beyond a certain level. The connecting pin fitted in the engaging hole is provided so as to be pressed and held by engaging with the engaging concave portion on the outer periphery thereof, and is engaged when the connecting pin is eccentric against the pressing force of one of the lock pins. It may be configured to be pulled out from the abutment hole.

Further, in the above-mentioned passage restricting device, the connecting pin has a substantially rectangular cross section and an engaging recess is provided on at least one surface thereof, and the engaging hole of the support member has a substantially rectangular cross section corresponding to the connecting pin. In particular, it is formed such that its diagonal line is vertical and the surface of at least one side of the engagement hole in the vehicle traveling direction is expanded and formed so as to form an inclined surface from the inner side toward the opening side. It is suitable.

[0009]

According to the above-mentioned vehicle traffic regulation device of the present invention, in the rope body such as a chain spanned between the two columns, the connecting pin attached to at least one end of the string member engages the support member inside the column. It is removably inserted and engaged with the dowel,
When a vehicle forcibly passing through the stretched part of the rope body is caught and a tensile force in the vehicle passing direction acts on the rope body,
Since the lock pin is disengaged from the engagement recess and pulled out, no force is exerted on the cord or its connecting portion, and damage can be prevented.

In particular, according to the invention of claim 2, in the cord body such as a chain spanned between both columns, the connecting pin attached to at least one end of the string body is fitted into the engaging hole of the supporting member inside the column. It is fitted, and particularly, the fitting recess is provided on the outer periphery of the connecting pin so as to be fitted to the side corresponding to the lock pin provided on the periphery of the engaging hole, and is held in the engaged state.

That is, the connecting pin fitted in the engaging hole is pressed by the pressing pin urged by the spring provided on the expanded inclined surface side of the engaging hole and held in a state of abutting along the other side. The lock pin on the other side is in a state of protruding into the engaging hole by the biasing force of the spring and engaging with the engaging recess of the connecting pin, which prevents the connecting pin from being removed from the engaging hole. It is locked in the connected state.

In this state, since the connecting pin is in contact with the side of the engaging hole having the lock pin on the side opposite to the expanded inclined surface, there is no eccentricity in this direction. The surface side can be tilted and eccentric against the pressing force of the pressing pin.

Therefore, a vehicle attempting to pass by is caught, and with respect to the connecting pin at the end portion of the cord body, from the side opposite to the extended inclined surface of the engaging hole, the side of the extended inclined surface. When a pulling force is applied toward, the connecting pin inclines toward the expanded inclined surface side against the pressing force of the pressing pin, that is, the biasing force of the spring, and as a result, the protrusion above a certain level is restricted. The lock pin is disengaged from the engaging recess on the outer periphery of the connecting pin, and the connecting pin is pulled out from the engaging hole.

Further, in the third aspect of the invention, in a normal engagement and connection state, the lock pins which are provided on both sides in the vehicle passage direction and which are also opposed to each other are pressed from both sides to engage the pins. It is held in a state of being engaged with the fitting recess. In this state, the connecting pin can be eccentric to both sides in the vehicle traveling direction against the pressure of the lock pin. Therefore, if a vehicle passing by is caught and the connection pin is eccentric against the pressing force of one of the lock pins, the other lock pin will be disengaged and will be disengaged from the engagement hole. .

[0015]

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

In the figure, (1) and (1) are hollow pillars having a substantially rectangular cross section, which are vertically erected so as to face each other at a required passage distance in a vehicle passage portion such as an entrance and exit of a parking lot. The support pillar (1) is fixed to a base (2) fixedly mounted on the foundation in the ground by fixing tools such as anchor bolts and nuts. Slits (1a) extending in the vertical direction are provided on opposite sides of the columns (1) (1). A rubber cover is provided on the slit (1a).

Reference numeral (3) is a cord-like body such as a chain that is bridged between the support columns (1) and (1), and both ends thereof are respectively supported by support members (4) provided inside the support column (1). They are connected through the vertical slits (1a).

The support member (4) is provided inside the support column (1) so as to be vertically movable along a vertical frame (5). For example, as shown in FIGS. 1 and 3 to 5, rollers (6) are arranged on both upper and lower sides of the support member (4), and the rollers (6) on both sides are the support columns (1).
It is provided so as to be vertically movable along the frame (5) by engaging with a guide rail (7) having a vertical cross section and arranged in the vertical direction.

Then, one end of a suspension strip (8) made of a belt, a chain or the like is connected to the upper part of the support member (4), and the suspension strip (8) is installed in the upper part of the column (3). It is rotatably provided by being hung on a rotating body (10) such as a pulley or a sprocket that is rotated by a drive motor (9) arranged.
The support member (7) is provided so as to move up and down by the rotation of the hanging strip (8). of course,
Various structures can be implemented, such as screwing the support member onto a vertical screw shaft and moving the screw shaft up and down by rotation of the screw shaft.

As a connecting structure of the ends of the cord (4) to the supporting member (7), at least one end of the cord (3) can be engaged with and disengaged from the supporting member (4) as follows. Are linked to.

A connecting pin (31) having a required length and a substantially rectangular cross section is attached to the end of the cord (3). An engaging recess (32) for engaging with a lock pin, which will be described later, is formed on the outer periphery of the connecting pin (31). The engaging recess (32) is formed in a triangular shape in cross section having a step (33) on the tip side as shown in the figure. In the case of the illustrated embodiment, the connecting pin (3
1) has a substantially quadrangular cross section, and the engaging recess is provided on one surface thereof.

Further, an engaging hole (41) is provided in the central portion of the support member (4) so as to be fitted in a substantially horizontal direction from the facing surfaces of both columns (1) and (1). This engagement hole (41)
One surface of the inner periphery on one side in the vehicle traveling direction forms an inclined surface from the inner depth toward the opening side, and is expanded to allow eccentricity of the connecting pin (41) fitted in the hole. .
That is, a cross section corresponding to the connecting pin (41) is formed into a substantially quadrangular shape, and its diagonal line is formed in a vertical direction, and one surface (lower surface side in the figure) on one side of the engaging hole (41) in the vehicle traveling direction is formed. It is formed so as to form an inclined surface from the inner side toward the opening side. (41a) shows the expanded inclined surface.

The spring (4) is provided toward the engagement hole (41) on the side of the expanded inclined surface (41a) around the engagement hole (41).
A pressing pin (43) is provided for pressing the connecting pin (31) biased in 2) and fitted into the engaging hole (41) to the other side. The pressing pin (43) is provided so as to be locked to the stepped portion (44a) of the accommodation hole (44) and to be restricted from protruding beyond a certain level. The tip is formed in a rounded surface so as to reduce resistance to fitting and withdrawing of the connecting pin (41). (45) is a screw member for pressing the spring, and the spring (4) is adjusted by adjusting the screwing of the screw member (45).
The pressing force by 2) can be adjusted.

On the side opposite to the pressing pin (43), the connecting pin (31) is urged by the spring (46) toward the engaging hole (41) and pressed by the pressing pin (43). Is provided with a lock pin (47) which projects so as to engage with the engaging recess (32) of the housing, and engages with the stepped portion (48a) of the accommodation hole (48) so as to restrict the projection above a certain level. It is provided to do.

Therefore, when the connecting pin (31) is eccentric to the expanded inclined surface (41a) side against the pressing force of the pressing pin (43), the engaging concave portion (32) of the lock pin (47). The connecting pin (31) can be pulled out from the tip. (49) is a spring retainer.

The tip end of the lock pin (47) is notched on one side so as to correspond to the shape of the triangular engaging recess (32), and is inclined toward the opening side of the engaging hole (41). The surface is formed so that the connecting pin (31) can be fitted along the inclined surface. Further, the spring (47) for pressing the lock pin (47) is the pressing pin (43).
The spring pressure is smaller than the spring (42) on the side, and the connecting pin (3
The fitting operation 1) can be performed relatively easily.

In the illustrated embodiment, the engaging holes (4
The expanded inclined surface (41a) of 1) is in the lower half portion on one side in the vehicle traveling direction, and the pressing pin (43) on the expanded inclined surface (41a) side and the lock pin (4) facing this.
7) is provided at an oblique position, the lock pin (47) and the pressing pin (43) are arranged so as to face each other in an upside-down diagonal direction, or in a lateral direction so as to face each other. Various implementations are possible, which are arranged opposite to each other in the direction of vehicle passage.

Further, as shown in FIG. 9, the connecting pin (31)
Has a circular cross-section, and the engagement hole (41) has a connecting pin (3).
With reference to the hole having a circular cross section into which 1) is inserted, the connecting pin (31) is expanded and formed to have an inclined surface (41a) that can be tilted and eccentric to one side in the vehicle traveling direction, and has an elliptical cross section. The same pressing pin (43) and lock pin (47) may be arranged.

With respect to the engaging recesses (32) of the connecting pin (31), the above-mentioned embodiment is preferable from the viewpoint of the pull-out restriction effect, but the tip of the pressing pin (43) is also fitted in a relatively shallow curved recess. It can also be configured to.

The connection structure of the end portion of the cord (3) to the other strut (1) may be the same as the above connection structure or a normal connection structure. .

With the above-mentioned connection structure, both columns (1)
In the cord body (3) such as a chain spanned between (1), the connecting pin (31) attached to at least one end of the cord body (3) is an engaging hole of the support member (4) inside the column (1). (41), particularly with the engaging recess (32) on the outer circumference of the connecting pin (41) facing the lock pin (47) on the periphery of the engaging hole (41). It is held in good condition.

That is, the connecting pin (31) fitted in the engaging hole (41) has the expanded inclined surface (41) of the engaging hole (41).
a) A push pin (4) urged by a spring (42) on the side
3) is pressed by the other side and is held in contact with the other side, and the lock pin (47) on the other side projects into the engagement hole (41) by the urging force of the spring (46),
It is in a state of being engaged with the engaging recess of the connecting pin, which prevents the connecting pin from being pulled out from the engaging hole, and is locked in the connected state (FIGS. 6 and 7).

In this state, the connecting pin (31) is in contact with and extends along the side of the engaging hole (41) having the lock pin (47) on the side opposite to the expanded inclined surface (41a).
Although it is not tilted and eccentric in this direction, it can be tilted and eccentric on the side of the expanded inclined surface (41a) against the pressing force of the pressing pin (43).

Therefore, a vehicle forcibly passing through the stretched portion of the cord body (3) is caught and engages with the connecting pin (31) at the end of the cord body (3). Hole (4
When a tensile force acts from the side opposite to the expanded inclined surface (41a) of 1) toward the expanded inclined surface (41a) side,
The connecting pin (31) resists the pressing force of the pressing pin (43), that is, the urging force of the spring (42), and expands the inclined surface (41).
The lock pin (47), which is tilted and eccentric to the side of (a), and as a result, the protrusion of the lock pin (47) is restricted, is disengaged from the engaging recess (32) on the outer periphery of the connecting pin (31). (31) will be pulled out from the engagement hole (41) (FIG. 8).

Therefore, for example, by setting the connecting pin (31) in such a direction that the connecting pin (31) can be pulled out by the passage of the vehicle in the direction of exiting the parking lot, an unauthorized user can forcibly exit. It is possible to prevent damage to the cord body (3) and its connecting portion in the case of doing.

When both ends of the cord (3) have the above-mentioned connecting structure, one of the connecting pins (31) can be pulled out depending on the force applied by the vehicle, and the cord ( 3) and the connection portions at both ends thereof are effectively prevented from being damaged.

In the case where both ends of the cord (3) have the above-described connecting structure, one of the columns (1) is in the direction in which the vehicle exits, and the other column (1) is in the direction in which the vehicle enters. Alternatively, the connection pin (31) may be pulled out by passing the vehicle.

The embodiments of FIGS. 10 and 11 show another example of the engaging and connecting structure of the connecting pin (31) and the engaging hole (41) of the supporting member (4).

In this embodiment, the engaging hole (41) of the supporting member (4) has the surfaces on both sides in the vehicle traveling direction which are inclined from the inner side toward the opening side, and the connecting pin (31) fitted therein.
Is expanded so that it can be eccentric to both sides. (41
a) (41b) shows the expansion slopes on both sides thereof.

The springs (4) face each other toward the engaging holes (41) at the portions of the extended inclined surfaces (41a) (41b) on both sides.
6) Lock pins (47a) and (47b) which are urged by (46) and whose protrusions are regulated by the step portion (48a) of the accommodation hole (48) to a certain extent are also provided. The connecting pin (31) fitted into the engaging hole (41) is engaged with the engaging hole (41) by the lock pins (47a) and (47b) in the engaging recess (32) formed on the outer periphery thereof. ) Can be pressed and held from both sides, and when the connecting pin (31) is eccentric to either one, the engaging hole (4
It is configured to be removed from 1).

Therefore, both the lock pins (47a)
The pressing springs (46) and (46) of (47b) have the same pressing force. Also connecting pin (31)
The engaging concave portion (32) is formed into a concave curved surface, and the tips of the lock pins (47a) (47b) are formed into rounded surfaces corresponding to the engaging concave portion (32).

In the case of this embodiment, even if the engaging concave portion (32) is a concave curved surface, the lock pin (47a) (4) that also serves as a pressing member is used.
Since both 7b) are held in the engaged state, the connecting pin (31) is held in the predetermined engaged connected state unless the lock pins (47a) (47b) are eccentric in the disengaging direction. Then, when a vehicle attempting to pass by is caught on the cord body (3) and the connecting pin (31) is eccentric against the pressing force of either one of the lock pins (47a) or (47b), The other lock pin (47b) or (4
7a) is disengaged and is withdrawn from the engagement hole (41).
In particular, in both directions of entering and exiting the parking lot, the withdrawal is performed as described above.

This embodiment is not limited to the use of the connecting pin (31) having a circular cross section as shown in the drawing, but the connecting pin (31) and the engaging hole (of the rectangular shape shown in FIGS. The same can be applied to the engagement connection structure according to 41). Further, as shown in the figure, in the circular connecting pin (31), if the engaging recesses (32) are continuous in the circumferential direction of the connecting pin (31), even if the connecting pin (31) rotates, a predetermined engagement will occur. Can be held in a coupled state.

The structure for connecting cords of the present invention is not limited to the traffic control device of the type in which the cords are vertically moved by the support member in the column to which the cords are connected. It can also be applied to a connection structure of a traffic regulation device that does not move up and down.

[0045]

As described above, according to the present invention, at least one end portion is engaged and connected to the support member so as to be pulled out by the passage of the vehicle in one direction by being bridged between the opposing columns. Therefore, when a tensile force acts on the rope by the user's mistake or when the unauthorized user tries to force the user to pass the rope, the end of the rope is inserted into the engagement hole and engaged and connected. Since the connecting pin of is removed, there is no possibility that the cord body will be cut or its connecting portion will be damaged. Moreover, the connection pin that has been pulled out can be engaged and connected easily and surely by pushing it into the engagement hole again, and can be held in a predetermined stretched state.

[Brief description of drawings]

FIG. 1 is a front view showing a usage state of a traffic control device of the present invention.

FIG. 2 is a front view of one of the columns on the opposite surface side.

FIG. 3 is a perspective view showing a state in which an end engaging fitting of a cord member with respect to a supporting member inside a support column is removed.

FIG. 4 is a plan view of a support member.

FIG. 5 is a front view of a support member portion.

FIG. 6 is a sectional view taken along line XX in the previous figure.

FIG. 7 is a sectional view taken along the line YY in the previous figure.

FIG. 8 is a cross-sectional view before the withdrawal and withdrawal in which the connecting pin is inclined and eccentric.

FIG. 9 is a sectional view of a lock pin and a pressing pin portion showing another embodiment.

FIG. 10 is a sectional view of an engagement connecting portion between a connecting pin and a supporting member according to still another embodiment.

FIG. 11 is a sectional view taken along the line ZZ in the previous figure.

[Explanation of symbols]

 (1) Support post (3) Strand body (4) Support member (31) Connecting pin (32) Engagement recess (41) Engagement hole (41a) (41b) Expanded inclined surface (42) Spring (43) Pressing pin (46) Spring (47) Lock pin (47a) (47b) Press pin

Claims (4)

[Claims] 1. A traffic control device for a vehicle in which a cord-shaped body such as a chain is bridged between two columns that are erected at a distance, and at least one end of the cord is provided on one column. A connecting pin is detachably connected to the supporting member, and a connecting pin having an engaging concave portion on the outer periphery is attached to the one end of the cord body, and the connecting pin is inserted into an engaging hole provided in the supporting member. The lock pin provided around the engagement hole engages with the engagement recess, and the lock pin disengages when a tensile force in the vehicle traveling direction acts on the cord. A traffic regulation device for a vehicle, which is provided so as to be pulled out. 2. A vehicle traffic control device in which a rope-shaped body such as a chain is bridged between two columns that are erected at a distance, and at least one end of the cord is provided on one column. A connecting pin is detachably connected to the supporting member, and a connecting pin having an engaging concave portion on the outer periphery is attached to the one end of the cord body, and the connecting pin is attached to the supporting member from the opposing surface side of both columns. An engagement hole that fits in the horizontal direction is provided, and this engagement hole is
A surface on one side in the vehicle traveling direction is expanded and formed so as to allow eccentricity of the connecting pin that is inserted to form an inclined surface from the back toward the opening side, and is formed on the side of the expanded inclined surface around the engagement hole. A pressing pin for pressing the connecting pin, which is biased by a spring toward the engaging hole and fitted into the engaging hole, to the other side is provided, and the side opposite to the pressing pin faces the engaging hole. Is provided with a lock pin that is biased by a spring and that is projected so as to engage with the engaging recess of the connecting pin that is pressed by the pressing pin and that the protrusion of the connecting pin is regulated above a certain level. A vehicle traffic control device configured to be pulled out from an engagement hole when eccentric to an expanded inclined surface side against a pressure. 3. The vehicle traffic control device according to claim 2,
The engagement holes of the support member are formed so as to be expanded so as to allow eccentricity to both sides of the connecting pin that is fitted in such a manner that the surfaces on both sides in the vehicle passage direction form inclined surfaces from the back toward the opening side. At the portion of the expanded inclined surface, a lock pin which is opposed to each other and is biased by a spring toward the engagement hole and which also serves as a pressing member and is restricted from projecting beyond a certain level is provided with a connecting pin fitted in the engagement hole. It is provided so as to engage with the engaging concave portion of its outer periphery and press and hold it, and is configured to be pulled out from the engaging hole when the connecting pin is eccentric against the pressing force of one of the lock pins. Vehicle traffic control device characterized by the following. 4. The connecting pin has a substantially quadrangular cross section, and an engaging recess is provided on at least one surface thereof, and the engaging hole of the support member has a substantially quadrangular cross section corresponding to the connecting pin and its diagonal line is vertical. 4. The vehicle according to claim 2, wherein the engagement hole is formed so as to extend, and a surface of at least one side of the engagement hole in the vehicle traveling direction is formed so as to form an inclined surface from the inner side toward the opening side. Traffic control device.