JPH057439Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a locking device for a fence gate.

<Prior Application Technology> The following technology is described in Utility Application No. 1982-21646, filed by the applicant on February 16, 1988.

In other words, the single-swing gate of the earlier application, Fuens,
As shown in Figures 11 and 12, a door 2 is supported via a hinge on a lock-side support post 1 and a support-side support post so as to be openable and closable.
The door 2 consists of a net body 3, a frame rod 4 located on both the left and right sides of the net body 3, a pair of reinforcing plates 5 horizontally installed at the front and back of the net body 3, and a frame rod 4 fitted externally to the frame rod 4. A U-shaped connecting plate 6 with its end portion 6a overlapped with the reinforcing plate 5, and a pair of hanging plates 8 fixed to the front and rear of a rotating shaft 7 that passes through the connecting plate 6 and the frame rod 4 in the front and back directions.
It is equipped with.

The rotating shaft 7 has a rectangular hole in a hanging plate 8 fitted into threaded portions at the front and rear ends of a cylindrical pin, and then a cap nut N is screwed into the threaded portion.

However, in the above structure, the bag nut N is loosened by a child or the like and the hanging plate 8 is removed, and the hanging plate 8 is narrowed between two fingers and rotated to open and close. There are drawbacks that make it difficult to do so.

<Purpose> Therefore, the object of the present invention is to provide a gate locking device that prevents the hanging plate from coming off due to loosening of the nut and that allows the hanging plate to be easily rotated to open and close.

<Means for solving the problem> The means for solving the problem according to the present invention are as follows:
As shown in Figures 3, 4, and 5, a rotating shaft 7 protruding in the front-rear direction is rotatably supported on the frame rod 4 of the door 2, and a threaded portion 7a formed at the end of the rotating shaft 7 is attached to a hanging plate. A grooved nut 10 to which a handle 9 for rotating the hanging plate is fitted is screwed into the threaded portion 7a of the rotating shaft 7, and a pin hole 7c formed in the threaded portion 7a is fitted.
The lock pin 11 is inserted through the groove 10a of the grooved nut 10, and the pin end 11a
is prevented from being bent and pulled out, thereby preventing the grooved nut 10 from loosening.

<Function> In the above problem solving means, when opening the door for a person to enter or exit, remove the padlock, grasp the handle 9 with four fingers and rotate it, and move the hanging plate 8 to the unlocked state as shown by the imaginary line. shall be. At this time, the pair of front and rear hanging plates 8 are removed from the support column 1 at the same time.

Furthermore, since the handle 9 projects from the hanging plate 8 in the front-rear direction, it is easy to open and close the hanging plate.

A grooved nut 10 to which a handle 9 for rotating the hanging plate is fixed.
The lock pin 11 is inserted through the pin hole 7c formed in the threaded portion 7a, and the pin end 11a is prevented from being bent and removed, so that the nut 10 will not loosen and the hanging plate 8 will come off. do not have.

<Example> Hereinafter, an example of the present invention will be described with reference to the drawings.
First, the first embodiment will be explained with reference to Figures 1, 2, 3, 4, and 5. Figure 1 is a front view of the main part of a single-swing gate, Figure 2 is a cross-sectional plan view, and Figure 3 is a locked gate. A cross-sectional view of the plate, FIG. 4 is an enlarged plan view of the main part, and FIG. 5 is an exploded perspective view of the main part.

The illustrated gate consists of a lock-side support 1 and a door 2 supported by the support-side support via a hinge so as to be openable and closable. A rod 4, a pair of reinforcing plates 5 installed horizontally at the front and back of the net body 3, and a U-shaped connecting plate 6 that is fitted onto the frame rod 4 and has an end 6a overlapped with the reinforcing plate 5. , a pair of hanging plates 8 fixed to the front and rear of a rotation shaft 7 passing through the connecting plate 6 and the frame rod 4 in the front and back directions.

As shown in FIG. 5, the rotating shaft 7 has a flat portion 7b formed at the front and rear threaded portions 7a of a cylindrical pin, and a pin hole 7c formed in each of the front and rear flat portions 7b. There is.

Spacers 8e and 8f and a square hole 8d of the hanging plate 8 are fitted into each of the front and rear flat parts 7b of the rotation shaft 7, and then a pair of front and rear grooved nuts 10 to which a flower-shaped handle 9 is welded are fitted. A lock pin (split pin) 11 is screwed into the threaded portion 7a of the flat portion 7b and penetrates through the pin hole 7c of the flat portion 7b and the groove 10a of the grooved nut 10, and the pin end 11a is bent to prevent it from coming out. By doing so, the grooved nut 10 is prevented from loosening, thereby forming a locking device.

Note that the shape of the handle 9 is not limited to the one shown in FIG. 1, but also a flower-shaped handle 9 with a flange 9a as shown in FIG. .

In addition, the tip 8c of the hanging plate 8 is arranged so as to be close to the lock-side support post 1 when the gate is in the locked state (when the gate is one-sided) (the frame rod of the other door when the gate is double-opening); The base portion 8a is extended and a lock hole 8b is formed in the portion.
is formed, and a locking plate 12 is disposed at the overlapping portion of the mesh body 3, the connecting plate 6, and the reinforcing plate 5. A lock piece 14 having a lock hole 14a facing the
, a retaining piece 15 that comes into contact with the base 8a of the hanging plate 8 in the locked state, and a connecting piece 1 that connects the base piece 13 and the lock piece 14.
6, and the net body 3, reinforcing plate 5, connecting plate 6, and base piece 13 of the locking plate 12 are fastened together with bolts 17 to facilitate assembly.

In this embodiment, the base 8a of the hanging plate 8 and the lock piece 14 of the locking plate 12 are parallel, and each lock hole 8b, 14 is opened in the locked state by rotation of the hanging plate 8 by the handle 9.
Pass the hook of the padlock a and lock it.

Also, when opening the door for people to enter or exit,
Remove the padlock, grasp the handle 9 with four fingers, and rotate it to bring the hanging plate 8 into the unlocked state as shown by the imaginary line. At this time, the pair of front and rear hanging plates 8 are removed from the support column 1 at the same time.

To lock the hanging plate 8 again, rotate the handle 9 in the opposite direction by hand to turn the hanging plate 8 in the opposite direction. Then, the upper edge of the base portion 8a comes into contact with the stopper piece 15 and is automatically stopped in the horizontal locked state.

Further, since the net body 3, the reinforcing plate 5, the connecting plate 6, and the base piece 13 of the locking plate 12 are fastened together with the bolts 17, assembly is easy.

Next, a second embodiment of the present invention will be described with reference to FIGS. 8, 9, and 10. This is an example of a double-swing gate consisting of a pair of doors, in which each frame rod 4 is formed of a lattice mesh tube.

In this example, the locking side support of the first embodiment corresponds to the frame rod 4 of one door equipped with a drop fitting, and one hanging plate 8 is fixed to one end of the rotating shaft 7 by welding. , the rotating shaft 7 is passed through a support plate 4a welded to the vertical wire of the frame rod 4, and a square hole 8d of the hanging plate 8 is fitted into the flat part 7b on the other end side of the rotating shaft 7. and then the grooved nut 10 to which the flower-shaped handle 9 is welded.
is screwed into the threaded portion 7a of the flat portion 7b, and further inserted into the pin hole 7c of the flat portion 7b and the groove 10 of the grooved nut 10.
A lock pin (split pin) 11 is inserted through the hole a, and the end of the pin is bent to prevent it from coming out.
The grooved nut 10 is prevented from loosening, thereby forming a locking device. The rotation shaft 7 is connected to the frame rod 4
It is penetrated by a support plate 4a welded to a vertical wire rod.

The other configurations and operations are the same as in the first embodiment.

It should be noted that the present invention is not limited to the above embodiments, and it goes without saying that many modifications and changes can be made to the above embodiments within the scope of the present invention.

For example, the hanging plate and the handle for rotating the hanging plate may be provided on one of the front and rear ends of the rotation shaft.

<Effects of the invention> As is clear from the above explanation, according to the present invention, since the handle protrudes from the hanging plate in the front and back direction, it is easy to open and close the hanging plate, and the handle for rotating the hanging plate is A locking pin is inserted through the fixed grooved nut and the pin hole formed in the rotation shaft, and the end of the pin is bent to prevent it from coming out, so the nut will not loosen and the hanging plate will come off. It has the excellent effect of not having any

[Brief explanation of the drawing]

Figure 1 is a front view of the main parts of a single-swing gate according to the first embodiment of the present invention, Figure 2 is a cross-sectional plan view,
Fig. 3 is a cross-sectional view of the lock plate, Fig. 4 is an enlarged plan view of the main part, Fig. 5 is an exploded perspective view of the main part, and Figs. 6 and 7 are different from each other in the handle of the present invention. A perspective view of a modified example, FIG. 8 is a front view of essential parts of a double-swing gate according to a second embodiment of the present invention, FIG. 9 is a cross-sectional plan view, and FIG. 10 is a perspective view of a hanging plate and a rotating shaft. , FIG. 11 and FIG. 12 are a plan view and a cross-sectional plan view, respectively, of a single-swing gate according to the prior application. 1...Lock side support, 2...Door, 3...Network, 4
... Frame rod, 5 ... Reinforcement plate, 6 ... Connection plate, 7 ...
Rotating shaft, 7a... Threaded portion, 7c... Pin hole, 8...
...Hanging plate, 8a...Base, 8b...Lock hole, 9...Handle for rotating hanging plate, 10...Slotted nut, 10a...
Groove, 11... Lock pin, 11a... Pin end.

Claims (1)

[Scope of utility model claims] A rotating shaft protruding in the front-rear direction is rotatably supported by the frame rod of the door, and the base of the hanging plate is fitted into a threaded portion formed at the end of the rotating shaft, and the handle for rotating the hanging plate is fixed. The grooved nut thus formed is screwed into the threaded portion of the rotating shaft, and the lock pin is inserted through the pin hole formed in the threaded portion and the groove of the grooved nut, and the end of the pin is bent. A gate locking device that is characterized by being prevented from being removed.