JPH03281875A - Equipment for disaster preventive facility - Google Patents

Abstract

PURPOSE:To easily fit the title equipment by fixing the main body of an opening and shutting lock which locks the door of a box body to the box body with an inserting tool to be inserted between a tying stepped section provided to the main body and the fitting plate section of the door or box body. CONSTITUTION:A lock main body 6 is provided with a putting section which can be put in a noncircular fitting hole 7 of a door 4, head section 10, main body section 11, tying stepped section 13, long hole 15 into which a rotating shaft 14 is inserted, and a large-diameter hole 16. The main body 6 is fixed to the door 4 by putting the putting section 9 in the fitting hole 7, with the main body section 11 being faced to the hole 7, and inserting the notch 23 of an inserting tool 12 into the stepped section 13 while the head section 10 is pressed against a fitting plate section 8. Fitting of this opening and shutting lock 5 is completed when a locking piece 19 is put in a locking piece fitting section 20 protruding from the main body section 11 and a screw 28 is screwed into a tapped hole through a spring washer 30. Therefore, the fitting operation of the lock can be simplified.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a device for disaster prevention equipment having a box body in which a circuit section such as a fire receiver is housed.

(Prior art) A box body 2 of equipment 1 for disaster prevention equipment as illustrated in FIG.
When the door 4 is provided so as to be openable and closable by a hinge 3.3 on the front surface of the door 4, and the door 4 is locked with a lock 105 such as a so-called coin lock, FIG. 9 shows a plan cross-section, and FIG.
The lock 105 is attached to the door 4 using a structure as shown in the cross section taken along the line -C.

In this lock 105, a rotation shaft 108 to which a lock plate 106 is attached with a screw 107 is fitted into a round hole 111 of a lock body 110 fixed with a door 4 pen nut 109, and a rotation shaft 108
The structure is such that the lock plate 106 is engaged with or detached from the panel portion 2a of the box body 2 by turning the rotation shaft 108 by about 90 degrees using a key (not shown) inserted into the play hole 112 of the lock plate 106.

A male screw 114 is provided in the lock body 110, and a hole 115 in the door 4 is provided.
Insert the male screw 114 and tighten the nut 109 with the male screw 11.
Lock body 110 by screwing into 4! i [fixed at 4.

(Problems to be Solved by the Invention) This conventional lock 105 is troublesome to operate when attaching the lock body 110 to the door.

That is, a spanner is used to tighten the nut 109 on the male thread 114 of the lock body 110 inserted into the hole 115 of the door 4, but because of the back side of the door 4, it is difficult for the spanner to touch the nut 109, and moreover, it is difficult to tighten the nut 109 when turning. , it is easy to come off from the nut 109.

Since the nut 109 is close to the back surface of the door 4, there is almost no gap between the spanner and the back surface of the door 4 for the hand holding the spanner to fit into, making it difficult to turn the spanner and the curved handle. If you use a wrench, it will easily come off the nut 109, and there is a risk of injury.

Also, when inserting a spring washer 116 between the back side of the door 4 and the nut 109 for the purpose of preventing loosening, insert the spring washer 116 into the male screw 114 at a place on the back side of the door 4 that is difficult to see. The installation of the lock body 110 requires careful manual work, and the operation becomes very troublesome.

Note that the manufacturing cost increases due to the thread cutting process of the male thread 114.

When locking, the door 4 is locked by rotating the lock plate 106 and inserting its tip into the back side of the panel section 2a of the box body 2. The dimension between the portion 2a and the locking plate 106 may be slightly insufficient, which may cause problems such as tight rotation or failure to lock. For this reason, precision is required for processing, which increases costs.

This invention was proposed to solve these problems in the prior art, and it does not require any tools for installation, is easy to operate, does not come loose during installation, and simplifies parts processing. The aim is to obtain equipment for disaster prevention equipment.

(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides a box body 2 in which circuit parts, etc. used for a fire receiver, a repeater, an interlocking operation panel, a comprehensive panel, a composite panel, etc. are housed. An opening/closing lock 5.35 for locking the door 4 to the box body 2, and a rotating shaft 14 with a rotatable locking plate 19 is fixed to the door 4 or the box body 2. In a device for disaster prevention equipment that is rotatably fitted to the lock body 6.36, the lock body 6.36 is fixed by the locking step 13.33 provided on the lock body 6.36 and the door 4. Alternatively, this can be done using an insert 12 inserted between the box body 2 and the mounting plate 8.

(Function) Insert the lock body 6.36 into the mounting plate part 8 of the door 4 or the box body 2, and insert the insertion tool 12 into the locking step part 13 of the lock body 6.36.
．． 33 and the mounting plate part 8, the lock body 6.3
6 is fixed to the door 4 or the box body 2.

By simply inserting the insert 12 as described above, the lock body 6.36 can be easily attached to the door 4 without loosening.
Alternatively, since it is fixed to the box body 2, no tools are required for installation, shortening work time, and it is safe, and machining of mounting screws and the like is not required, reducing parts costs.

In addition, since the spring portion 24 elastically holds the lock body 6.36, the axis of the lock body 6.36 can be tilted, thereby preventing the lock piece 27 from getting caught on the other party such as the panel portion 2a of the box body. Since the panel part 2a and the like can be locked smoothly without any problems, the panel part 2a, etc., can be easily manufactured without requiring high processing precision.

(Example) Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a partially cutaway plan view showing the attached state of the opening/closing lock 5 in the first embodiment of the present invention, and FIG. 2 is an A-A in FIG.
3 is a cross-sectional plan view of FIG. 1, and FIG. 4 is an exploded perspective view of FIG. 1.

In this embodiment, the lock body 6 is attached to the door 4.

The illustrated lock body 6 has a fitting portion 9 that can be fitted into a non-circular mounting hole 7 of the door 4 and has a thickness substantially equal to the wall thickness of the mounting plate portion 8 of the door 4.
, a head 10 that comes into contact with the mounting plate 8 during installation, a main body 11 that can be inserted into the mounting hole 7, a fitting part 9, and a main body 1.
1 and into which an insert tool 12 described below is inserted, and a long hole 15 and a large diameter hole 16 into which a rotation shaft 14 described below can be rotatably fitted. There is.

The rotating shaft 14 into which a key (not shown) is inserted and rotates together with the lock Fi 19 includes a head 17 and a main body 18 that can fit into the large diameter hole 16 and long hole 15 of the lock body 6, respectively. , a lock piece attachment part 20 with a non-circular cross section into which a lock piece 19 described below is fitted and attached, a female thread 21 and a play hole 2.
It is equipped with 2.

The illustrated insert 12 has a spring portion 24 with a notch 23 that is inserted into the locking step portion 13 of the lock body 6;
It is provided with a stopper 32 and a handle part 25, which is the bottom of the holder and regulates the insertion depth.

The lock plate 19 includes a non-circular hole 26 and a key portion 27 that can be fitted into the lock piece attachment portion 2o of the rotation shaft 14.

Next, the procedure for installing the opening/closing lock 5 will be explained.

Insert the lock body 6 into the mounting hole 7 of the mounting plate part 8 of the door 4 from the front side of H4.
Peek into the main body part 11 of the lock, fit the fitting part 9 into the mounting hole 7, press the head 10 against the mounting plate part 8, and insert the notch 23 of the insert tool 12 into the locking step part 13 of the lock main body 6. When the stopper 32 is inserted until it comes into contact with the locking step 13 , the spring portion 24 contacts the back surface of the mounting plate 8 and the main body 11 of the locking step 13 .
The head 10 is pressed against the mounting plate 8 by elastically contacting the side surface of the lock body 6, and the lock body 6 is fixed to the door 4.

The rotating shaft 14 is fitted into the lock main body 6 by fitting the main body into the elongated hole 15 of the lock main body 6 and fitting the head 17 into the large diameter hole 16.

At this time, the hole 26 of the lock piece 19 is fitted into the lock piece attachment part 20 that protrudes rearward from the main body 11, the screw 28 is screwed into the female thread 21 of the rotating shaft 14, and the washer 29 and spring washer 30 The installation of the opening/closing lock 5 is completed by equalizing the installation force by the screws 28 and preventing loosening using the screws 28.

The above fitting operation of the rotating shaft 14 may be performed before attaching the lock body 6 to the door 4.

By rotating a key (not shown) inserted into the play hole 22 of the rotation shaft 14, the rotation shaft 14 and the locking piece 19 are rotated, and the key part 27 is attached to the panel part 2a of the box body 2. The key part 27 is engaged and locked as shown in FIGS.
will come off from the panel portion 2a and be unlocked.

The operation of attaching the lock body 6 to the door 4 in this manner is accomplished by the extremely simple operation of fitting the fitting part 9 of the lock body 6 into the hole 7 and inserting the insert tool 12 into the locking step I3. .

Therefore, there is no need for tools such as spanners as in the prior art, and the troublesome effort required to apply and turn the spanner and the danger of the spanner coming off are eliminated, resulting in a safe and efficient installation work.

Also, due to the elasticity of the spring portion 24 of the insertion tool 12, the head 1
0 is resiliently and firmly pressed onto the mounting plate portion 8, so that the lock body 6 does not come loose when attached, and the trouble of having to insert something such as a spring washer is also eliminated.

No screws are required in the lock body 6, which simplifies manufacturing and reduces parts costs.

FIG. 6 is a partially cutaway plan view showing the attached state of the lock 35 in the second embodiment of the present invention, and FIG. 7 is a sectional view taken along line B-B in FIG. 6, and a perspective view of the lock body 36. are shown in Figure 8.

Components having the same structure as those of the first embodiment described in FIGS. 1 to 4 are given the same reference numerals, and the structural description thereof will be omitted.

The opening/closing lock 35 of this second embodiment is different from that of the first embodiment only in the lock body 36, and the locking step 13 and the flat part of the main body part A in the lock body 6 of the first embodiment are different from those of the first embodiment. The lock main body 36 is provided with a locking step portion 33 and a main body portion 31 in the shape of a round bar.

That is, both the locking step portion 33 into which the notch 23 of the insert tool 12 is inserted and the main body portion 31 are formed in the shape of a round bar with a diameter that can be inserted into the non-circular mounting hole 7 of the 14 mounting plate portions 8, and the locking step portion The diameter of the portion 33 is smaller than that of the main body portion 31.

In addition, the insertion tool 12 is provided with notches 37 at both ends of the stopper 32, which is the bottom of the notch 23, so that the spring portion 2
4's legs are longer.

The procedure for fixing this lock body 36 to the door 4 is also the same as that of the lock body 6 of the first embodiment, and the mounting hole 7 of the mounting plate portion 8
Peek into the main body part 31, fit the fitting part 9 into the mounting hole 7, and insert the notch 23 of the insert 12 into the locking step 33 of the lock main body 36. The lock body 36 is fixed to the door 4 by inserting it until it makes contact.

The opening/closing lock 35 of this second embodiment also has the effects obtained in the first embodiment, that is, it can be easily and safely installed by inserting the insert tool 12, and also has the following advantages:
Since the locking stepped portion 33 and the main body portion 31 of the lock body 36 are round bar-shaped, the manufacturing process can be efficiently carried out by lathe processing, for example, and the manufacturing cost is lower than that of the locking stepped portion 13 of the first embodiment. This is sufficiently reduced compared to machining of the flat portion of the main body portion 11.

In addition, when the length of the lock body 6.36 is insufficient for the distance to the panel portion 2a, the key portion 27 of the lock piece 19
When the spring part 24 elastically holds the lock body 6.36 when it comes into contact with the back side of the lock body 6.3
6 can be tilted to the opposite side of the key part 27.

As a result, the key portion 27 is lifted up and can be smoothly inserted into the back side of the panel portion 2a.

Furthermore, if the leg length of the spring portion 24 of the insert tool 12 is made longer, the elastic displacement position of the spring can be increased and locking becomes easier.

In each of the above embodiments, the opening/closing locks 5.35 are all attached to the door 4, but such opening/closing locks 5.350 and lock zero body 6.36 are inserted into the mounting plate of the box body 2 using a tool. 12
The locking piece 19 is attached to the flange part 4 of the door 4.
It is also possible to have a structure that can be engaged and detached from a (the same effect as in each of the above embodiments can be obtained).

Further, the shapes of each member used in the opening/closing lock 5.35, such as the shape of the fitting part 9 and the mounting hole 7, the shape of the locking step part 13.33 and the insert tool 12 in each of the above embodiments, are also the same as described above in this invention. As long as it has the functions necessary to achieve the purpose, it can be modified and used in various ways not shown.

Further, although each of the above embodiments deals with a lock using a key, the same applies to a lock with a handle.

The disaster prevention equipment 1 illustrated in FIG. 5 is a fire receiver, and the door 4 includes a fire light 41, a district light 42, and various switches 43.
, various lights 44, a selection switch 45, a voltmeter 46, etc. are provided.

The disaster prevention equipment 1 applied to the present invention may have a box body in which circuit parts such as a receiver, a repeater, an interlocking operation panel, a general panel, a composite panel, etc. are housed.

(Effects of the Invention) As described above, according to the present invention, the insertion tool 12 can be inserted between the locking stepped portion 13.33 of the lock body 6.36 and the mounting plate portion 8 of the door 4 or the box body 2. Lock body by 6.36
The door 4 can be easily installed without loosening and with elasticity.
Or, since it can be fixed to the box body 2, no tools are required for installation, shortening work time, it is safe, no machining of installation screws, etc. is required, and manufacturing is simple, the number of parts is small, costs are reduced, and the chain is easy to use. This has the effect of providing a device for disaster prevention equipment that has a smooth lock.

[Brief explanation of drawings]

1 and 6 are partially cutaway plan views showing the opening and closing states of each embodiment of the present invention, and FIG.
3 is a cross-sectional plan view of FIG. 1, FIG. 4 is an exploded perspective view of FIG. 1, and FIG. 5 is a disaster prevention equipment device to which the above embodiment is applied. 7 is a sectional view taken along the line BB in FIG. 6, FIG. 8 is a perspective view of the lock main body in FIG. 6, FIG. 9 is a cross-sectional plan view of the conventional example, and FIG. The figure is a sectional view taken along the line CC in FIG. 9. 1...Equipment for disaster prevention equipment 2...Box 2a...
Panel part 3...Hinge 4...Door
5.35... Opening/closing lock 4a... Flange part 6
．． 36...Lock body 7...Mounting hole 8...
・Mounting plate part 9...Fitting part 10.17...Head 11.18.31...Body part 12...Insertion tool 13.33...Locking stepped part 14.
...Rotation shaft 15...Long hole 16...Large diameter hole 17...Lock piece 20...Lock piece attachment part
21... Female thread 22... Free hole 23.
...Notch 24...Spring part 25...Handle part 26...Hole 27...Key part 28...
・Screw 29...Washer 37...Notch 30...Spring washer 32...Stopper 41...Fire light 42...District light 43...Various switches 44...Various lights 45...Selection switch 46...Voltmeter

Claims (1)

[Claims] This is an opening/closing lock that locks the door of the box body in which the circuit parts used for fire receivers, repeaters, interlocking operation panels, integrated panels, composite panels, etc. are stored, and is rotatable. In a device for disaster prevention equipment in which a rotating shaft with a locking plate as described above is rotatably fitted to a lock body fixed to a door or a box body, the lock body is fixed to the lock body. A device for disaster prevention equipment, characterized in that the device is operated by an insert that is inserted between a locking step and a mounting plate of a door or a box.