JPS6013116B2 - electric locking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in an electric locking device that uses an electromagnet and locks the lock using its output.

Traditionally, this type of electric lock has been used for security purposes such as doors and large safes, but they are not used for portable items such as attaché cases, suitcases, and handbags, which are large and heavy. The reality is that it is not. The reason for this is that such portable items are susceptible to shocks due to external forces when they are moved, and in this case, the output shaft of the electromagnet is likely to cause an unlocking operation due to the shock force. Furthermore, the output of the electromagnet is configured to directly actuate the opening/closing knob that manually locks and unlocks the door, which poses a problem that malfunctions are likely to occur in the event of an impact. The present invention aims to eliminate the drawbacks of such conventional electric locks and provide an electric lock device that can be used for various portable items. In other words, ``The electric locking device provided by the present invention has an opening/closing knob that holds a locking knob that can be displaced perpendicularly to the operating direction of the opening/closing knob.'' When the electromagnet is not in operation, the locking knob is locked to a locking plate directly connected to the output shaft of the electromagnet, and the operation of the opening/closing knob is restrained by a stopper plate placed opposite to this locking plate. This configuration is designed to prevent the above-mentioned malfunction from occurring.

Furthermore, this second invention adds a mechanism to the above-mentioned invention to prevent mistaken locking due to impact. The present invention will be described below with reference to illustrated examples. Figure 1 is a longitudinal cross-sectional view of the mirror device according to the present invention installed on an article, and shows the case forming the base of the 1' Makosen device, which has a hollow inside and a bottom plate Tsurugawakote casing C. It is formed. The case 1 has a central portion extending into a cylindrical portion 1', and an opening/closing knob 2 is housed in an inner hole IH of the cylindrical portion 1'. The cylindrical portion 1' of the case 1 is exposed on the surface of the lock installation, thus allowing the opening/closing knob 2 to be operated. Also, the inner hole 1H of the cylindrical part 1'
The opening/closing knob 2 is formed to have a size with a gap between it and the opening/closing knob 2 so that the opening/closing knob 2 can be moved from side to side. 4 is a locking plate housed in the upper part of the casing of case 1, and A-
As is clear from Figure 5 showing the A' side, the hook 4F
The locking knob 3 has a hole 4 in the center thereof into which the lower end of the locking knob 3 is inserted and engaged.

Reference numeral 5 denotes a compression spring interposed between the left end surface of the locking plate 4 and the case i, which constantly urges the locking plate 4 to the right.

Reference numeral 6 denotes a stopper plate inserted between the locking plate 4 and the bottom plate 11, and its right end is aligned with the inner surface of the inner hole 2 formed in the opening/closing knob 2.

Reference numeral 7 denotes a locking plate which is similarly inserted between the locking plate 4 and the bottom plate 11 and is arranged on the right side of the opening/closing knob 2, facing the stopper plate 6, and its left end is connected to the opening/closing knob 2. The inner hole of No. 2 matches the inner surface of No. 2, and the tip has a lock knob No. 3 which will be described later.
A locking plate 1' for locking is formed.

The shapes of the stopper plate 6 and the locking plate 7 are shown in FIG.
This is clear from the turtle diagram showing the B' side. The tortoise 2 is an electromagnet housed in the case tortoise 8, and is connected to the battery via the switch mechanism tortoise 7.

Reference numeral 13 denotes the output shaft of this electromagnet i2, which is normally biased toward the protruding side (to the left) by a compression spring interposed between it and the flange 5, and has the aforementioned stop plate at its tip. connected.

The output shaft 13 maintains the position shown in FIG. 1 when the electromagnet 12 is not activated, but when the locking plate 7 is pushed to the right, the compression spring 1
The ink can shrink slightly against the elasticity of 4. Further, by energizing or otherwise operating the switch mechanism blade 7, an electric pulse signal is inputted to the electromagnet 12, thereby causing the output ball 13 to contract greatly and displacing the locking plate 7 to the right. In addition to the above configuration, the locking device according to the present invention has a major feature in that a locking knob 3 is held in the opening/closing knob 2.

That is, as mentioned above, the opening/closing knob 2 has a cylindrical shape with a stepped inner hole, and the locking knob 3 is held inside the stepped inner hole so as to be vertically movable. This configuration will be explained with reference to FIG. 4, which shows an enlarged view of this configuration. Locking knob 3 is opening/closing knob 2
It has an outer shape that is almost the same as the inner hole 2, and has a recess 3 inward.
A is provided and it is formed into an inverted U shape. Furthermore, a vertical groove 3M is formed in the lower part extending to the outer diameter, and a pin 9 fixed to the opening/closing knob 2 passes through this vertical groove 3M. 10 is supported by this pin 9 and locked/
The spring receiving plate 18 is inserted into a recess 3A of the spring receiving plate 18, and a compression spring 8 is inserted into the recess 3A in the spring receiving plate 18 as shown.

Therefore, the locking knob 3 is supported by the inner hole stepped part of the opening/closing knob 2 by the elastic force of the compression spring 8, and the top part is protruded from the opening/closing knob 2 (the state shown in FIGS. 1, 2, and 4). ) will be maintained. In this state, the locking portion 3K formed in the lower portion is located above the locking plate 4. Next, the locking and unlocking operations in the above configuration will be explained.

First, when locking the object A, as shown in Figure 5,
Since the hook 4F of the lock-side object B is to be locked to the locking piece 19 of
Move forward by fingertip) operation.

After the hook 4F reaches the position indicated by the two-dot chain line in FIG. The door is moved and locked. The above-mentioned operation is a normal locking operation that does not involve electric force, and the lock can be unlocked by moving the opening/closing knob 2 to the left with a fingertip to bring it into the state shown in FIG. 2. By the way, when locking the electric locking device according to the present invention, the top of the locking knob 3 is pushed manually (with a fingertip) and is displaced downward against the elastic force of the compression spring 8. Then, as is clear from FIG. 4, the tapered portion 3T of the locking portion 3K moves downward while retracting the locking plate 7, and the locking knob 3 is locked by the locking plate 7 as shown in FIG. Ru. This downward displacement of the locking knob 3 is caused by the stopper plate 6 and the locking plate 7.
The locking state (the third
As is clear from the figure, the lower locking portion 3K is locked to the right end of the stopper plate 6, so the opening/closing knob 2 cannot be moved leftward.
In this way, the locking knob 3 does not return to its position, so the opening/closing knob 2
The door cannot be operated manually and is locked securely. Now, the scale locking is performed by the output of the electromagnet 12. When an electric pulse signal is inputted to the electromagnet 12 via the switch mechanism 17, the output shaft 13 contracts due to its operation, and the locking plate 7 moves as shown in FIG. Displace to the right.

The locking knob 3 is released by this displacement of the locking plate 7, and the state shown in FIG. 1 is restored, making it possible to unlock by manual operation. FIG. 7 is a diagram showing a modified embodiment seen from the C-〇 plane in FIG. 2, in which the electromagnet 12 is arranged in parallel with the locking plate, thereby reducing the area occupied by the coin by 4 mm. A pin 22 is provided on the locking plate 7, and a pin 24 is provided on the output shaft 13 of the electromagnet 12, and both pins 22 and 24 are pivotable relative to the pin 211 on the fixed frame 20. The locking plates 7 and the output shaft 13 are inserted into the respective holes G, G2 formed in the swinging punch 23, and the locking plate 7 and the output shaft 13 are connected via this swinging mechanism. FIG. 8 shows an embodiment of the second invention in which the locking device is provided with a separate mechanism to prevent malfunctions such as scale locking due to impacts caused by external forces, from the same side of FIG. 2 as shown in FIG. 7. FIG.

In this embodiment, when an impact is applied and a force in the unlocking direction acts on the output shaft 13, a force opposing this force is applied to the output shaft 13.
It is configured to act simultaneously on
When a military weight 30 is installed and an impact is applied, the acting force of the child key 30 is applied to the output shaft 13 via the swinging force 28. In other words, the bridge punch 26 is the support frame 2.
The pin 271 of 5 is swingable, and the pin 28 on the locking plate 7 is inserted and engaged in the hole 3 at the upper end, and the dowel 3 is on the left side of the lower machine.
0 is in contact. The weight 30 is held in a guide hole 29 provided in the case 1. 31 is a pin for preventing the military weight 30 from coming off.

The operation when an external force acts on the above configuration and an impact is applied in the direction of the arrow will be described.

Now the weight of the locking plate 7...W, the weight of the output koji 13...W2, the elastic force of the compression spring 8 built into the locking knob...
F, elastic force of compression spring 14 installed in output calibration amount 3...F2
Let K be the coefficient of friction in the engagement between the locking portion 3K of the locking knob 3 and the locking plate 7.

Then, if the impact acceleration numerical value G and the above-mentioned values have a relationship according to the following two equations, the impact output rod 13 will be displaced and a malfunction of the scale lock will occur.

That is, G(W, 10W2)>F.

K10F2. ...(1 set) Therefore, the configuration is as shown in Fig. 8, and the distance between pins 27 and 28 is
The distance (L) to the point of action of 0 is set to the relationship L,=L2.

Then, the weight W3 of the dowel 30 is set as follows. W
3=W, 10W2 Then, the unlocking force F when the impact acceleration value G acts on the locking plate and the output shaft, and the force W acting on the dowel are as follows.

F=(W, 10W2).

GW=W3・G=(W, 10W2)・G:F−VV=0 Therefore, both acting forces cancel each other out, and no malfunction occurs.

In other words, even if a certain amount of large impact is applied, the locking plate 7
Since the elastic forces of the compression spring 8 and the turtle 4 are always acting on the lock knob 3, the locking relationship with the locking portion of the locking knob 3 is never released.

The locking device according to the present invention is as detailed above,
It is not limited to the illustrated example.

For example, the locking knob can be installed with respect to the opening/closing knob, instead of being held so that it reciprocates inward in a cylinder as shown in the example shown, the opening/closing knob can also be held as a U-shaped guide frame, and the locking knob can be held in a U-shaped guide frame. The shape of the portion can also be modified in various ways. The stopper plate is not necessarily necessary, and a part of the case can also serve the same function. The shape of the locking plate connected to the output shaft of the electromagnet, as well as the locking plate, is not limited to the illustrated example. Also, the installation method of mirror devices for both objects to be locked,
In particular, the relationship between the hook and the locking piece, the relationship between the object and the coin device, and the vertical relationship are not limited to the illustrated example and can be varied depending on the intended use.

Even in the case of the embodiment shown in FIG. 8, several methods other than the illustrated example can be applied as a method for applying the force exerted by the weight on the output shaft. The method of applying an electric pulse signal (input) to the electromagnet is also not limited to the switch mechanism shown in the illustrated example. The electric locking device provided by the present invention is as described above in detail, so that the opening/closing knob that operates the locking plate with the hook and the output shaft of the electromagnet are connected to the locking knob and the locking plate (body). To provide an electric lock device that can be miniaturized and that does not cause malfunctions.In particular, the output shaft of the electromagnet is designed to resist the locking force that occurs when a shock is applied to the output shaft of the electromagnet. However, by providing a means for generating an acting force to eliminate this, malfunctions such as scale locking operations will not occur even if a shock is applied by an external force.Therefore, the coin device according to the present invention is lightweight in the form 4. Furthermore, it is safe even when subjected to external shocks, and can be applied to personal bags, small or portable safes, lockers, desks, etc.

[Brief explanation of the drawing]

The drawings are views showing one embodiment of the electric lock device according to the present invention. FIG. 1 is a longitudinal sectional view, FIGS. 2 and 3 are views showing only the main parts in an operating state, and FIG. An enlarged view of the locking knob, which is the main part of the invention, FIG. 5 is a diagram showing only the main part seen from the plane A-A' in FIG. 1, and FIG. S is a diagram showing the main part seen from the plane B-B in FIG. 1. Figure 7 is a diagram showing a modified embodiment; Figure 8 is a diagram showing an embodiment of the invention equipped with a mechanism for preventing malfunction due to impact force, both of which are viewed from the side C-〇 in Figure 2. Only the main parts are shown. 1...Case, 2...Opening/closing knob, 3...Lock knob 3A...Recess, 3M...Vertical groove, 3T
......To the booper part 3K...Locking part, 4...
Locking plate, 5, 8, 14... Compression spring, 6... Stopper plate, 7... Locking plate, 9, 21, 22, 24, 27, 28.
...Pin, 10...River spring receiving plate, 11...Bottom plate, 12
... Electromagnet, 13 ... Output shaft, 15 ... Flange, 16 ... Battery, 20 ... Fixed frame,
25... Support frame, 23... Shaking village, 26...
...Rocking boat village ~ 30...Juaya, A, B...
...Object to be locked. Figure 1, Figure 2, Figure 3, Figure 5, Figure 6, Figure 7, Figure 8.

Claims (1)

[Scope of Claims] 1. A locking device that takes an unlocked state when the locking plate 4 equipped with a locking hook 4F for a rotating part is moved forward by the opening/closing knob 2 fitted therein, and resists the forward movement of the locking plate 4. compression spring 5
In the locking device, the opening/closing knob 2 and the locking plate 4 are configured to be in a locked state when they are moved back due to the elastic force of The lock is fitted and can be manually pushed in a direction perpendicular to the reciprocating direction, is held so as to be returned to its original position by the elastic force of an internally built-in compression spring 8, and is provided with a locking portion 3K. knob 3
When the locking knob 3 is pushed in, the locking portion 3
A locking plate 7 is provided which engages K to prevent the locking knob from returning to its position, and which is directly connected to the output shaft of the electromagnet and is displaced by the operation of the electromagnet to release the locking state from the locking knob 3. An electric lock device featuring: 2. When the locking plate 4 with the locking hook 4F for the rotating part is moved forward by the opening/closing knob 2 fitted therein, the locking compression spring 5 assumes an unlocked state and resists the forward movement of the locking plate 4.
In the locking device, the opening/closing knob 2 and the locking plate 4 are configured to be in a locked state when they are moved back due to the elastic force of A locking knob that is fitted in and can be manually pushed in a direction perpendicular to the reciprocating direction, is held so as to be returned to its original position by the elastic force of a compression spring 8 built into the locking knob, and is provided with a locking portion 3K. 3, when this locking knob 3 is pushed in, the locking portion 3K
a locking plate 7 that engages with the locking knob 3 to prevent the locking knob from returning to its position, and is also directly connected to the output shaft of the electromagnet and is displaced by the operation of the electromagnet to release the locked state between the locking knob 3 and the locking portion 3K; Further, a guide hole 29 is provided in the case 1 in a direction parallel to the output shaft 13 of the electromagnet 12, and a weight 30 is disposed in the guide hole 29, so that the impact caused by external force is directly connected to the output shaft 13 of the electromagnet 12. Locking plate 7 and locking knob 3
When working in the direction of releasing the locked state with the locking part 3K, the output shaft 13 is moved in a direction that offsets the impact force generated by the movement of the weight 30 due to the impact against the unlocking force generated on the output shaft 13. An electric locking device characterized by comprising a swinging lever 26 for actuation.