JPH08199846A - Device for turning folding gate bar - Google Patents

Abstract

PURPOSE: To prevent the fastener of a towing member from projecting upward beyond the upper surface of a folding gate bar when the gate bar opens upwards. CONSTITUTION: An end bar 3B is connected using a turning shaft 7 to the end of a front bar 3A in such a way as to freely fold, the front bar 3A operated vertically by the operation of a crossing gate 1 for opening and closing movements. A turning lever 11 whose lower end is journalled to the end of the front bar 3A has its upper end projected to a position retreated from this journalled portion toward the crossing gate 1, a towing member 14 is extended between the upper end 11b and the crossing gate 1, and an intermediate lever 13 is freely turnably mounted between the turning lever 11 and the end bar 3B.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in the technical field of unmanned parking lots, gates for controlling entrances and exits of automobiles and people by being used at entrances and exits of railroad crossings or various venues. More specifically, the present invention relates to a turning device suitable for use in a center-folding type gate bar having a center-folding type bar.

[0002]

2. Description of the Related Art As a center-folding type gate bar having a center-folding type gate bar, there is a conventional center bar type bar having a structure as shown in FIGS. 1 and 2 of Japanese Utility Model Laid-Open No. 59-69060.

The structure of the conventional center folding gate bar will be described in detail with reference to FIG. 6 further attached. In the figure, M is a switch, and N is a bar support attached to the rotating shaft Ma of the switch M. , BA is a hand side bar attached to the support N, and BB is a hand side bar BA through the joint members CA and CB.
The tip side bar connected to the tip of the tip side so as to be capable of being bent in the middle, D is a fixture attached to the upper surface of the joint member CB of the tip side bar BB
A wire E is stretched between the fixture D and the switch M, and when the switch M rotates the support N upward from the closed state shown by the solid line, as shown by the virtual line. Each of the bars BA and BB on the hand side and the tip side is configured to open the gate by bending upward in a bent state at the joint members CA and CB while being bent in the middle.

[0004]

However, in the conventional center folding gate bar configured as described above, the fixture D for attaching the wire E is attached in a state of protruding onto the upper surface of the joint member CB of the tip side bar BB. Due to this, when the gate bar is opened as shown by the phantom line in FIG. 6, this fixture D projects upward from the position of the horizontally open tip side bar BB, and therefore, between the ceiling surface RF. There is a problem in that the space L for the fixture D needs to be opened in advance, and the fixture cannot be installed in a place where the ceiling surface RF is low and the upper part is limited.

Some of the railroad crossing breakers disclosed in Japanese Utility Model Laid-Open No. 57-81962, for example, open the gate by folding the bar so that the wire fixing device does not travel upward. However, in the case of this railroad crossing breaker, since the bar is bent at two places and the whole is folded into three, the whole structure becomes more complicated and the cost is higher than the center folding type where the bar is bent at one place. There was a problem.

[0006] Therefore, a technical object of the present invention is to prevent the fixture of the pulling member made of a wire or the like from traveling upward when the center folding gate bar is opened upward.

[0007]

[Means for Solving the Problems] Means taken in the present invention for solving the above technical problems are as follows.

The tip side bar, which is vertically opened and closed by the rotating shaft of the opening / closing machine, is pivotally supported by a joint member so that the tip side bar can be bent in the middle so that the opening / closing machine moves the hand side bar upward. In the center-folding type gate bar, which is configured to rotate upward when the tip side bar is center-folded and rotate to open the gate,

(1) The lower end is rotatably supported on the distal end side of the proximal bar, and the upper end is positioned rearward of this axial support, that is, near the root end of the proximal bar. A pulling member is stretched between the upper end of the turning lever and the opening / closing device, and the tip of the intermediate lever rotatably supported at the middle of the turning lever is attached to the tip side bar. Be pivotally supported on the root end side.

(2) Let A be the distance between the rotary shaft of the switch and the pivotal support of the joint member, and let B be the vertical width of the tip side bar.
When the distance between the upper end of the rotary lever to which the pulling member is attached and the pulling member mounting portion of the switch is C, and the vertical distance between the rotary shaft of the switch and the pulling member mounting portion is D, The relationship between these A, B, C and D in the above is A + B ≧ C + D
Be configured to be.

(3) The holders on the hand side and the tip side are fixed to the connecting ends of the hand side bar and the tip side bar, respectively,
The lower end of the turning lever and the tip of the intermediate lever should be vertically rotatably supported on the respective holders.

(4) A main joint arm having a tip portion projecting in the direction of the tip side bar from the tip end surface of the holder is fixed to the lower side portion of the hand side holder fixed to the tip portion of the hand side bar, while the tip end is fixed. To the lower part of the tip side holder fixed to the root end of the side bar, a sub joint arm having a total length shorter than that of the tip side holder is fixed. Be pivotally supported on the bottom of the tip holder.

(5) The pulling member stretched between the upper end of the rotating lever and the switch is either a wire, a pulling line such as a rope or a chain, or a pulling rod such as a pipe or a round bar. Be composed of.

[0014]

Each means described in the above (1) to (5) operates as follows.

According to the means described in the above (1), the upper end of the rotating lever on which the pulling member is stretched is located closer to the root end of the bar on the proximal side than the pivotal support of the rotating lever, that is, the switch. The lower end of the turning lever is pivotally supported on the tip end side of the proximal side bar, and the tip end of the intermediate lever pivotally supported on the middle part of the turning lever is the root end of the tip side bar. With the link mechanism pivotally supported on the side, the tip side bar can be opened and closed while always maintaining the horizontal state, and when the gate is fully opened, the upper end of the rotating lever, which is equivalent to the conventional fixture, is the tip. Since it does not project above the upper surface of the side bar, it is not necessary to preliminarily open an extra space above, and it is possible to easily install even in a place where the ceiling is low.

According to the means described in (2) above, the above A
Due to the configuration of + B ≧ C + D, when the switch opens both bars upward in a folded state, the distance (A + B) from the rotary shaft of the switch to the upper surface of the tip side bar is the same as the rotation shaft. Since the distance (C + D) to the upper end of the moving lever is equal to or longer than that, the upper end of the rotating lever projects above the tip side bar when the gate is opened. Prevent that.

According to the means described in the above (3), the pivotal lever and the pivotal supporting portion of the intermediate lever, which are pivoted each time the middle folding type hand side bar and the tip side bar are opened and closed, are connected to each bar. Since they are rotatably supported on the holder side, which is fixed to the connection end portion, respectively, it is possible to smoothly rotate the levers and open and close the bars without any hindrance.

According to the means described in the above (4), the tip of the main joint arm attached to the holder of the proximal side bar is projected to the bottom surface of the holder of the distal side bar, and the distal side bar is pushed from below. Since it is supported, it is possible to smoothly perform the opening / closing operation of the tip side bar based on the opening / closing operation of the proximal side bar while always keeping the tip side bar horizontal between the above-described rotation lever and the intermediate lever. To do.

According to the means described in the above (5), it is possible to use the various pulling members such as the wire, the rope, the chain, the pipe, and the round bar without making the upper end of the rotating lever travel upward. , It is possible to open and close the tip side bar horizontally.

As described above, the above-mentioned technical problems can be solved by the above-mentioned means, and the problems of the above-mentioned conventional techniques can be solved.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the turning device for a center folding gate bar according to the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a partially omitted side view of the present invention showing the gate closed, and FIG. 2 is a side view of the present invention showing the gate fully open. In the figure, 1 is a switch, 2 is a bar support attached to the rotary shaft 1a of the switch 1, 3A is a hand side bar attached to the bar support 2, 3B is rotation of a joint member indicated by reference numeral 4. It is a tip side bar axially foldably supported on the tip side of the proximal side bar 3A using a shaft 7, and these two bars 3A and 3B constitute a gate bar GB.

6 and 9 are holders fixed to the connecting ends of the bars 3A and 3B, 11 is a bottom end of which is pivotally supported on the tip side of the hand side bar 3A, and an upper end of which is the switch 1. Of the support arm 1 rotatably supported on the upper end of the rotary lever 11 by a rotary lever protruding to a position retracted in the direction of
5 and the mounting portion 1b of the opening / closing device 1 between the tip side bar 3B
Towing member 1 that opens and closes while always maintaining the horizontal position
4 is stretched.

As the pulling member 14, a pulling rod such as a wire, a rope or a chain, or a pulling rod such as a pipe or a round bar is used, but the choice is arbitrary.

Further, 13 has one end rotatably supported on the upper end side of the rotating lever 11 by means of a shaft 12b (see FIG. 2) and the other end on the root end of the tip side bar 3B. These are pivoted intermediate levers, and these pivot levers 11 and intermediate levers 13,
Also, the link mechanism including the pulling member 14 is configured to open and close the tip side bar 3B in a middle-folded state while maintaining the horizontal state according to the opening and closing operation of the hand side bar 3A.

Further, in FIGS. 1 and 2, A is the rotary shaft 1a.
And the distance to the turning shaft 7 for center folding, B is the tip side bar 3B
(Specifically, the vertical width of the holder 9), C is the distance from the pulling member mounting portion 1b to the shaft supporting portion of the rotating lever 11 to which the support arm 15 is mounted, and D is the rotary shaft 1a and the pulling member mounting portion 1.
It is the interval of b, and the relationship of these A, B, C, D is A +
B ≧ C + D, and therefore, when the two bars 3A and 3B are completely opened as shown in FIG. 2, the upper end portion of the rotating lever 11 is kept horizontal and the tip side bar 3 is held.
It is designed so that it does not project above the upper surface of B.

FIG. 3 is a side view showing an enlarged view of an essential part of the present invention, that is, the structure of the above-mentioned joint member 4, and FIG. 4 is an enlarged cross-sectional view of the essential part taken along line XX of FIG. In these drawings, 6b ... are screws that fasten and fasten the upper end edges 6c of the left and right hand side holders 6 mounted so as to wrap from the left and right sides outside the tip of the hand side bar 3A. ,
Reference numerals 5 and 5 denote main joint arms provided inside the lower edges 6e of the left and right hand side holders 6, and 6a denote lower edges of the hand side holder 6 on the outer surfaces of the left and right main joint arms 5 and 5. 6e are overlapped with each other, and the cushioning rubber material 5T is interposed between them, and these are tightened to be integrated with each other. The tips 5a, 5a of the main joint arms 5, 5 are provided on the proximal side bar 3A. Support plates 5b, 5b are provided so as to project longer than the front end portion, and at intermediate positions on the front end side of both main joint arms 5, 5 at positions facing the front end of the hand side bar 3A. .

.. are screwed to fix the upper end edges 9c of the left and right tip side holders 9 mounted so as to wrap from the left and right sides on the outside of the root end of the tip side bar 3B. Secondary joint arms, 9a, which are provided outside the lower edges 9e, 9e of the tip side holder 9 are the lower edges 9e, 9e.
The left and right secondary joint arms 8 and 8 are superposed on the outer side of e, and the inner side is a screw which is tightened and integrated with a rubber material 9T for cushioning interposed therebetween. Is made shorter than the tip side holder 9 as shown in FIG.

Further, the tip end portions of the slave joint arms 8 and 8 are pivotally supported by the pivot shaft 7 so as to be vertically rotatable with respect to the tip end portions 5a and 5a of the main joint arms 5 and 5 described above. However, as described above, the tip side bar 3B may be in a state in which the support plate 5b of the main joint arms 5 and 5 is projected in the middle as shown in FIG. 3 with respect to the tip portion of the hand side bar 3A. , The tip end side bar 3B is located slightly closer to the tip end than the root end surface, that is, the position of the bottom surface supporting the root end portion side, since it is vertically rotatably connected by the pivot shaft 7, Bar 3B
Is designed to open and close vertically while being supported from below.

Numeral 10 is a connecting arm mounted between the upper edges 9c, 9c of the tip side holder 9 by the screws 9b ..., The root end 10a of which is the tip side bar 3B.
It slightly protrudes from the root end face of the side bar 3A toward the tip face of the bar 3A.

As shown in FIG. 3, the above-mentioned rotary lever 11 has a lower end 11a pivotally supported by a mounting shaft 12a between the support plates 5b, 5b of the main joint arms 5, 5 described above so as to be vertically rotatable. The support arm 15 described above is rotatably supported by a shaft 12c on an upper end portion 11b which is formed to retreat from the shaft support portion in the direction of the switchgear 1, and the support arm 15 is supported. As described above, the pulling member 14 is stretched between the mounting portion 1b of the switch 1 and the mounting portion 1b.

The other end 13a of the intermediate lever 13 whose one end 13b is rotatably supported by the shaft 12b on the upper end side of the rotating lever 11 has the other end 13a of the connecting arm 10 described above using the mounting shaft 12d. It is attached to the root end portion 10a so as to be vertically rotatable.

In the illustrated embodiment, the lower end 11a of the rotary lever 11 is attached to the support plate 5b of the main joint arm 5 by the shaft 12a.
It is rotatably attached by using the same as the connecting arm 10 attached to the tip side holder 9 by using the screws 6b between the upper edge 6c of the hand side holder 6 (formed symmetrically). Attached), and the lower end portion 1 of the rotating lever 11 is attached to the tip portion protruding from the tip of the connecting arm.
The same effect can be exhibited even if 1a is pivotally supported by the shaft 12a. Therefore, the lower end 11a of the rotating lever 11 is pivotally supported on any part of the hand side bar 3A or the tip of the holder 6. The mounting position is optional.

FIG. 5 illustrates the operation of the turning device for a center folding type gate bar according to the present invention. When the gate is closed, the pulling member 14, the turning lever 11 and the intermediate lever 13 are used to move the hand side. Although the bar 3A and the tip side bar 3B are maintained in a straight line state, when the switch 1 is operated and the hand side bar 3A is turned upward, the tip side is moved by the movement of the pulling member 14 and the levers 11 and 13. The bar 3B is rotated upward while maintaining the horizontal state, and when the hand side bar 3A is upright, the tip side bar 3B is bent at a right angle (horizontal) and the gate is completely opened.

At this time, as described above, the upper end of the rotating lever 11 does not project above the upper surface of the tip side bar 3B because of the relationship of A + B ≧ C + D.

[0036]

As described above, according to the turning device for a center folding type gate bar according to the present invention, when the bars on the hand side and the tip end side open the gate by turning upward while folding in the middle. ,
Since the upper end of the turning lever with the tow member attached does not project above the upper surface of the horizontally open tip side bar, it is not necessary to provide an unnecessary space above the gate bar, and therefore it is not necessary to use an underground parking lot. Even when installed in a place where the ceiling is relatively low, the advantage that it can be used safely without the gate bar or the like colliding with the ceiling can be exhibited.

[Brief description of drawings]

FIG. 1 is a partially omitted side view showing a state in which a gate bar including a rotating device according to the present invention is closed.

FIG. 2 is a side view of the same when the gate bar is opened.

FIG. 3 is a side view showing an enlarged main part of the present invention.

FIG. 4 is an enlarged cross-sectional view taken along the line XX of FIG.

FIG. 5 is an explanatory diagram showing a state in which the gate bar is opened and closed.

FIG. 6 is a side view illustrating the configuration of a conventional gate bar.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Switch 1a Rotating shaft 1b Towing member mounting portion 3A Hand side bar 3B Tip side bar 4 Joint member 6,9 Holder 7 Rotating shaft 11 Rotating lever 13 Intermediate lever 14 Towing member

Claims (5)

[Claims] 1. A tip side bar is pivotally supported by a joint member so as to be capable of being bent in the middle at a tip portion of a hand side bar that is vertically opened and closed by a rotating shaft of the switch, so that the switch is capable of supporting the hand side bar. In the center-folding type gate bar configured to open upward when the tip side bar is folded in the middle when it is turned upward, the lower end is turned to the tip side of the hand side bar. A traction member is stretched between the upper and lower ends of the rotary lever, which is freely pivotally supported, and whose upper end side is located rearward of this pivotal support, that is, near the root end of the proximal side bar, and the opening / closing device. In addition, a center folding type in which the tip end of an intermediate lever rotatably supported on the middle portion of the rotation lever is rotatably supported on the root end side of the tip side bar. Rotating device for gate bar. 2. The distance between the rotary shaft of the opening / closing device and the shaft supporting portion of the joint member is A, the vertical width of the tip side bar is B, and the upper end of the rotating lever to which the towing member is attached and the towing of the opening / closing device. When the distance to the member mounting portion is C and the vertical distance between the rotary shaft of the opening / closing device and the traction member mounting portion is D, the relationship between A, B, C and D is A + B ≧ The center-folding type gate bar turning device according to claim 1, wherein the turning device is C + D. 3. A holder on the hand side and a holder on the tip side are respectively fixed to respective connection ends of the bar on the hand side and a bar on the tip side, and the lower end of the rotating lever and the tip of the intermediate lever are attached to each holder side. 2. The turning device for a center folding type gate bar according to claim 1, wherein the respective parts are rotatably supported. 4. A main joint arm having a tip projecting in the direction of the tip side bar from the tip end surface of the holder is fixed to the lower side portion of the hand side holder fixed to the tip side of the hand side bar,
To the lower part of the tip side holder fixed to the root end of the tip side bar, fix a slave joint arm whose overall length is shorter than that of the tip side holder, and connect the tip parts of these master-slave joint arms to each other. 4. The turning device for a center folding type gate bar according to claim 3, wherein the tip end side holder is rotatably supported by a bottom surface portion. 5. The pulling member stretched between the upper end of the rotating lever and the opening / closing device is either a wire, a pulling strip such as a rope or a chain, or a pulling rod such as a pipe or a round bar. It is comprised, Comprising: 1 or 2 characterized by the above-mentioned.
Rotating device for the center folding type gate bar described.