JPH0233567Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a lock release bar device for a gate.

[Conventional technology]

Conventional gate drop bar devices, such as the French drop bar, were attached to the lower end of the vertical bar on the side opposite to the hanging base, separate from the gate lock device, so the vertical movement of the drop bar was performed by bending down each time. There was an inconvenience that I had no choice but to do.

In addition, in order to improve this,
As shown in Publication No. 21095, a knob is provided in the vertical middle part of the vertical bar on the side opposite to the hanging base of the gate, and by rotating this knob, a long drop bar is moved up and down,
There was a drop rod device that locks and unlocks the door by inserting and removing the lower end of the drop rod into a receiving hole provided in concrete or the like below the gate.

Conventionally, as a locking device for a gate, a rotating shaft is rotatably supported in the vertical middle part of a vertical bar on the side opposite to the hanging base of the gate, and the rotating shaft protrudes from one surface of the vertical bar such as the outside of the gate. A handle is fixed to one end, and a latch that also serves as a handle is fixed to the other end of the rotating shaft protruding from the other side of the vertical gate, such as the inside of the gate. In the case of a crosspiece or single-opening type, a receiver was fixed to a mating member such as a support, and the handle and latch was engaged and supported from above by the receiver.

However, since the conventional drop bar device described above was provided separately from the gate lock device, when the conventional drop bar device, which has a knob located in the vertical middle part of the vertical bar, is combined with the lock device, Because it is necessary to incorporate a mechanism in the hollow part of the crosspiece to move the drop bar connected to the knob up and down, it is difficult to assemble, and it is difficult to operate the knob of the drop bar device and the handle or latch that doubles as a handle of the lock device. The operations are cumbersome because they have to be performed separately, and if one is forgotten, the purpose of having a drop bar device and a lock device is lost.
The gate rattles and shakes due to strong winds or mischief, and this shaking is also undesirable from the viewpoint of the durability of the gate.

Therefore, as Utility Model Application No. 55-165781, a horizontal rotating shaft is rotatably supported in the vertical middle part of the vertical bar on the opposite side of the gate, and the rotating shaft protrudes from one surface of the vertical bar. A handle is fixed to one end, and a latch that also serves as a handle is attached to the other end of the rotating shaft protruding from the other surface of the vertical bar and is engaged and supported by a receiver fixed to a mating member facing the vertical bar. A pinion is fitted and locked on the rotating shaft, and a rack provided on one side of the upper part of the drop bar is engaged with the pinion, so that most of the parts other than the pinion and the lower end of the drop bar are inside the hollow part of the vertical bar. A lock drop bar device has been previously filed which is housed in a lock drop bar and is supported so as to be movable up and down by guide members fixed to a plurality of locations above and below the vertical bar.

In this lock dropping rod device, by operating the handle or the latch that also serves as a handle, the lock dropping rod moves up and down in conjunction with the lock device, and its lower end is moved in and out of the receiving hole to prevent forgetting to operate. I have to.

[Problem that the invention attempts to solve]

The lock drop bar device for a gate according to the earlier application is constructed as described above, so unless it is manufactured with high precision, the rack and pinion may not mesh reliably, and the lock drop bar device and the guide member may not be able to engage with each other. There were problems such as the gate rattling during use due to the gap between the doors, and the drop rod bending when hit by objects, making it difficult to move up and down smoothly.

The present invention solves the problems of the earlier application mentioned above, and works reliably even if there is a slight manufacturing error or the drop bar is slightly bent during use. To provide a lock dropping rod device for a gate door which can smoothly move up and down without rattling the rod, without complicating the structure.

[Means for solving problems]

The gate lock release bar device according to the present invention is
A horizontal rotating shaft 3 is rotatably supported in the vertical middle part of the vertical bar 2 on the side opposite to the hanging base, and a handle 5 is fixed to one end of the rotating shaft 3 protruding from one surface of the vertical bar 2. A latch 7 that also serves as a handle is fixed to the other end of the rotating shaft 3 protruding from the other surface of the vertical bar 2, and is engaged and supported by a receiver 6 fixed to a mating member facing the vertical bar 2. , a pinion 10 is attached to the rotating shaft 3.
A rack 11 formed on one side of the upper part of the drop bar 12 is engaged with the pinion 10, and most of the pinion 10 and the drop bar 12 other than the lower end are inserted into the hollow part 4 of the vertical bar 2. The leaf spring 13 is housed in the hollow part 4, and the upper and lower ends of the leaf spring 13 are held by a holder provided in the hollow part 4 in parallel with the rotating shaft 3. spring 13
The upper part of the drop bar 12 is pressed by the middle part of the drop bar 12, the rack 11 is pressed against the pinion 10, and the washer 14 fixed to the lower end of the vertical bar 2 is directed upward and protrudes into the hollow part 4. A cylindrical body 15 is provided, a gap is formed between the inner diameter of the cylindrical body 15 and the outer diameter of the drop bar 12, and the drop bar 1 is attached to the cylindrical body 15.
This is what the lower part of 2 is inserted through.

[Effect]

In the lock dropping device of the present invention, when the handle 5 or the latch 7 that also serves as the handle is rotated and the latch 7 is removed from the receiver 6, the rotating shaft 3 rotates and the lock is dropped by the engagement between the pinion 10 and the rack 11. The lock can be unlocked by pulling up the bar 12, and in this state, when the latch 7 is engaged with the catch 6 from above, the drop bar 12
can be locked by pushing down, and therefore, each time the gate 1 is opened or closed, the door 1 can be unlocked and locked by simply operating the handle 5 or the latch 7 of the locking device, without performing any other operations, by moving the drop rod 12 up and down. In particular, the present invention accommodates a leaf spring 13 in the hollow part 4 of the vertical bar 2, and a rotary shaft 3 in the hollow part 4.
The upper and lower ends of the leaf spring 13 are held by a holder provided parallel to the plate spring 13, and the upper part of the drop bar 12 is pressed by the middle part of the leaf spring 13, and the rack 11 provided on the upper part of the drop bar 12 is was pressed against the pinion 10 provided on the rotating shaft 3, and by forming a gap between the inner diameter of the cylindrical body 15 located at the lower end of the vertical bar 2 and the outer diameter of the drop rod 12, a slight Even if there is a manufacturing error or if the drop bar 12 is slightly bent due to being hit by an object during use, the rack 11 and pinion 10 can be reliably engaged, and the leaf spring 13 can prevent the drop bar from being bent. The rod 12 is not pushed and rattled, and the drop rod 12 can be smoothly moved up and down by the rotation of the rotary shaft 3, resulting in high reliability. Furthermore, the holder that holds the leaf spring 13 can utilize the screws 9 that fix the lock cover 8 to the vertical frame 2 and the protrusion 18 provided on the lock cover 8, so even if the leaf spring 13 is used, There is no increase in the number of parts and the structure is not complicated compared to the above.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

In FIG. 1, 1 is a gate, and 2 is a vertical bar on the side opposite to the hanging base of the gate 1. Reference numeral 3 denotes a rotating shaft horizontally mounted in the hollow portion 4 of the vertical bar 2, and the rotating shaft 3 has a handle 5 at one end protruding from one surface of the vertical bar 2, and a handle 5 protruding from the other surface of the vertical bar 2. A latch 7 that also serves as a handle is pivotally attached to the other end. 8 is a lock cover,
It is fixed to the vertical beam 2 by long screws 9, 9, . . . parallel to the rotating shaft 3. The above-mentioned parts constitute a lock device.

10 is a pinion fitted to the rotating shaft 3;
1 is a rack with a rectangular cross section, and rack 11
As shown in FIG. 2, the drop bar 12 is made long,
It is formed at its upper end. A leaf spring 13 is housed in the hollow part 4, and the upper and lower ends of the leaf spring 13 are locked in the hollow part 4 by the long screws 9, 9, which are holders, and the middle part of the leaf spring 13 is locked. The rack 11 is always pressed in the direction of the pinion 10, and the plate spring 13 keeps the pinion 10 and the rack 11 pressed together.
This prevents the drop rod 12 from rattling. Then, drop the drop stick 1 in each of these parts.
2 vertical movement mechanisms are constructed. 14 is a washer fixed to the lower end of the vertical bar 2, 15 is a cylindrical body projecting upward from the washer 14 and located in the hollow portion 4, and 16 is a horizontal gate bar. A drop rod 12 is attached to the cylindrical body 15.
The lower end of is inserted loosely. And pinion 1
The drop bar device is composed of the following parts.

In addition, in Fig. 1, 2' is a vertical bar, 5' is a handle, and 6 is a receiver for a gate lock fixed to a vertical bar 2'.
Reference numeral 8' denotes a lock cover, which is provided on the gate 1', which is a mating member. Although not shown, on the concrete surface below the gates 1 and 1',
A receiving hole is formed into which the lower end of the drop bar 12 of the gate 1 is fitted, and a regular French drop is provided at the lower end of the vertical bar 2' of the gate 1', into which the lower end of the drop bar is fitted. Receiving holes are also formed in the concrete surface. Furthermore, instead of the gate 1', the other member may be a support, and a receiver may be provided on this support.

FIG. 3 is a partially cutaway cross-sectional view showing another embodiment of the lock cover 8, in which medium-sized screws 17, 17
A threaded protrusion 18 integrally formed with the lock cover 8
The lock cover 8 is fixed to the vertical bar 2 by screwing them together.
The upper and lower ends of 3 are held.

4 and 5 show a second embodiment of the invention. In this example, pinion 10
is fitted and fixed to the rotating shaft 3, and a rack 11 that engages with this is formed on one side of the upper part of a drop bar 12 made of a round metal bar.

Note that the leaf spring 13 is engaged with a threaded projection 18 of the lock cover 8, and the constructions of the washer 14 and the cylindrical body 15 are the same as in the first embodiment.

[Effect of idea]

The lock drop bar device for a gate according to the present invention utilizes a rotating shaft 3 of the lock device, and a pinion 10 constituting a vertical movement mechanism for the drop bar 12 is attached to this rotating shaft 3. Since the rack 11 formed on one side is engaged with the upper part of the lock device, when the handle 5 or the latch 7, which is a component of the lock device, is rotated and the latch 7 is removed from the receiver 6, the rotating shaft 3 is released. Rotate, pinion 10
The lock can be unlocked by pulling up the drop bar 12 through engagement with the rack 11, and in this state, when the latch 7 is engaged with the catch 6 from above, the drop bar 12 can be pushed down and locked. Therefore, each time the gate 1 is opened or closed, the door 1 can be unlocked or locked simply by operating the handle 5 or the latch 7 of the lock device and by moving the drop bar 12 up and down without performing any other operations. The device and the drop bar device can be linked, providing good operability. Moreover, the leaf spring 13 is accommodated in the hollow part 4 of the vertical bar 2, and the upper and lower ends of the leaf spring 13 are held by a holder provided in the hollow part 4 in parallel with the rotating shaft 13. The middle part of the spring 13 presses the upper part of the drop bar 12, and the drop bar 12
Since the rack 11 provided on the upper part of the shaft 3 is pressed against the pinion 10 provided on the rotating shaft 3, there is a gap between the inner diameter of the cylindrical body 15 located at the lower end of the vertical bar 2 and the outer diameter of the drop bar 12. Because of this, even if there is a slight manufacturing error or if the drop bar 12 is slightly bent due to being hit by an object during use, the rack 11
and the pinion 10, and the drop rod 12 is not pressed by the leaf spring 13 and shakes, and the drop rod 12 can be smoothly moved up and down by rotation of the rotating shaft 3. The holder that holds the leaf spring 13 is highly reliable and can use the screws 9 that fix the lock cover 8 to the vertical bar 2 and the protrusion 18 provided on the lock cover 8. Also, compared to the prior application, there is no increase in the number of parts and the structure is not complicated.

[Brief explanation of the drawing]

The drawings show an embodiment of the gate lock dropping device according to the present invention, in which FIG. 1 is a cross-sectional view of the main part of the first embodiment, FIG. 2 is a cross-sectional view taken along line A-A of the same, and
Figure 3 is a cross-sectional view of another embodiment of the lock cover;
The figure is a cross-sectional view of a main part of the second embodiment, and FIG. 5 is a cross-sectional view taken along line BB of the same. 1... Gate, 2... Vertical frame, 3... Rotating shaft, 4...
...Hollow part, 5...Handle, 6...Bracket, 7...
...Handle and latch, 8...Lock cover, 9...Long screw, 10...Pinion, 11...Rack, 1
2... Drop bar, 13... Leaf spring, 14... Washer,
15... Cylindrical body, 16... Horizontal bar, 17... Screw (holding body), 18... Projection part (holding body).

Claims (1)

[Scope of utility model registration request] A horizontal rotating shaft 3 is rotatably supported in the vertical middle part of the vertical bar 2 on the side opposite to the hanging base of the gate 1, and the vertical bar 2
A handle 5 is fixed to one end of the rotating shaft 3 protruding from one surface, and a handle 5 is fixed to the other end of the rotating shaft 3 protruding from the other surface of the vertical bar 2, and a handle 5 is attached to a mating member facing the vertical bar 2. A latch 7 which also serves as a handle and is engaged and supported by a fixed receiving plate 6 is fixed, a pinion 10 is fitted and locked to the rotating shaft 3, and a rack 11 formed on one side of the upper part of the drop bar 12 is attached to the pinion 10. Most of the pinion 10 and drop bar 12 other than the lower end are accommodated in the hollow section 4 of the vertical bar 2, the leaf spring 13 is accommodated in the hollow section 4, and the The upper and lower ends of the leaf spring 13 are held by a holder provided parallel to the rotating shaft 3, and the middle part of the leaf spring 13 presses the upper part of the drop bar 12 to move the rack 11 to the pinion 10.
A cylindrical body 15 facing upward and protruding into the hollow part 4 is provided on the washer 14 which is pressed against and fixed to the lower end of the vertical bar 2, and the inner diameter of this cylindrical body 15 and the drop bar 1 are
This lock drop bar device for a gate door is characterized in that the lower part of the drop bar 12 is inserted into a cylindrical body 15 with a gap formed between the outer diameter of the bolt 12 and the outer diameter of the lock bar 12.