JPH0996137A - Button type lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a user who buys a button type lock to set an arbitrary number for unlocking. SOLUTION: The user who has bought a button type lock can set an arbitrary number for unlocking by fitting an unlocking button in one of button holes 2B located in a casing 6 at ten positions. When the button 4 is fitted in a button hole 2B indicated in a rightward direction, it serves an unlocking button, and when it is fitted in a button hole 2B indicated in a leftward direction, it serves as a standard button. When the lock is unlocked from a locking condition, a slide member 12 is pushed leftward after the unlocking button 4 is depressed, cutouts 12b", and 12b"' are fitted on small diameter parts 4 of all buttons 4, and the engagement between an insertion part 3A serving as the other end of a wire 3 and an engaging member 7 is released. Accordingly, the insertion part 3A serving as the other end of the wire 3 comes off from a key hole 2A in a casing which is not shown.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a button type lock, and more particularly to a button type lock suitable as a bicycle lock.

[0002]

2. Description of the Related Art Conventionally, a button type lock having the following construction is known. That is, one end is fixed to the case, the other end is a loop-shaped member that is removably inserted into a keyhole of the case, a plurality of button holes formed in the case, and a small diameter portion, a medium diameter portion and a small diameter portion at predetermined positions in the longitudinal direction. A plurality of buttons that form a large diameter portion and are fitted into the button holes of the case, and a plurality of buttons that are movably arranged in the case in a direction intersecting with the buttons and that are fitted in the button holes. A slide member formed with a notch for a medium diameter portion that engages with a medium diameter portion of a button and a notch for a small diameter portion that is continuously provided from the notch for a medium diameter portion and that engages with a small diameter portion of each of the buttons. In the lock position where the notch for the medium diameter portion of the slide member engages with the medium diameter portion of any of the buttons, the other end of the loop-shaped member is prevented from dropping from the key hole of the case, The cutout for the small diameter part of the slide member is small for all buttons. In the unlocked position to engage the parts, that the other end of the loop-shaped member is configured to be allowed to drop out of the keyhole of the case are known.

[0003]

By the way, in the above-mentioned conventional button type lock, the unlocking number is already determined when the lock is purchased, and the user himself sets an arbitrary unlocking number. There was a drawback that you couldn't do that.

[0004]

[Means for Solving the Problems] In view of such circumstances,
According to the present invention, in the above-mentioned button type lock, the slide member is formed with a relief portion which is continuous with each of the notches for the medium diameter portion and has a notch wider than the notches for the medium diameter portion. ,
When the slide member is located at the number setting position where the escape portion is below the button hole, the large diameter portion of each button is fitted to the lower side of the slide member through the button hole of the case and the escape portion of the slide member. When the slide member is moved to the lock position and the unlock position, each button is locked by locking the large diameter portion or the middle diameter portion of each button with the slide member. It is configured to prevent the button hole from coming out.

[0005]

According to this structure, when the slide member is located at the number setting position, the large diameter portion of each button is fitted to the lower side of the slide member through the button hole of the case and the relief portion of the slide member. Can be combined. That is, at this time, two types of buttons having different positions of the small diameter portion and the middle diameter portion in the longitudinal direction are prepared, and one of the two types of buttons is used as an unlocking button on the case side. By fitting the required button holes, while fitting the remaining buttons to the remaining button holes, a desired number for unlocking can be set. In this way, the purchaser of the lock can set an arbitrary number for unlocking.

[0006]

The present invention will be described below with reference to the illustrated embodiments.
1 is a button type lock according to the present invention.
The button type lock 1 includes a main body 2 and one end of the main body 2.
Is inseparably attached and the other end is the key of the main body 2.
WA as a loop-shaped member that is detachably inserted into the hole 2A.
The ear 3 and a part of the main body 2 further constitute the book.
A plurality of buttons fitted to the button holes 2B formed in the body 2
Tongue 4 and. In this embodiment, the main body 2
The buttonholes 2B of 10 are formed in two rows in total, and
In accordance with this, 10 buttons 4 are also provided. These crap
0 to 9 on the surface of the main body 2 adjacent to the hole 2B.
Are numbered. In addition, each button 4
Is manufactured by injection molding.
Then, each button 4 is connected to the button 4 by the connecting portion 4 '.
It is in a stopped state. And in this embodiment
The button-type lock 1 is commercially available in the state shown in FIG.
The purchaser of the button lock 1 pushes each button 4
Separated from the connecting portion 4 ', the button hole 2B of the main body portion 2
It is designed to fit into. At that time, in this embodiment
Is different from a conventional lock, and each button 4 is pressed forward or backward.
Depending on whether to fit the button hole 2B from the end on the
You can set any number to lock
You. Then, after setting the unlocking number, the keyhole 2A
The insertion part 3A, which is the other end of the ear 3, is inserted and locked.
Then, the button for unlocking among the buttons 4 provided on the main body 2
Remove insertion part 3A from keyhole 2A unless 4 is pressed.
I can not do it. In contrast, it's locked
When the unlocking button 4 is pressed from the locked state,
Unlock the slide member 12 provided by pushing it inward.
Can be placed in position, in which case the wire 3
So that the insertion part 3A of is pushed from the keyhole 2A and unlocked
It has become. Before explaining the structure of the main body 2, the button 4
In this embodiment, the button 4 has a cross section.
It is formed in the shape of a square prism with a step, and each button
All 4 are manufactured to have the same shape and size.
ing. As shown enlarged in FIG. 3, the button 4 has a long
Forming large diameter parts 4a, 4a 'of the same size on both ends in the direction
Not only the specified dimension in the axial direction from both ends in the longitudinal direction
Around the outer circumference of each large diameter portion 4a, 4a '
And the width form engaging grooves 4b and 4b ', respectively.
The end surface of each engaging groove 4b, 4b 'on the central side in the longitudinal direction
Is tilted at 45 degrees. Also, from the center in the longitudinal direction
From one large-diameter portion 4a 'to the larger-diameter portion 4a'
Is also the reduced diameter medium diameter portion 4c and is not located adjacent to it.
From the central portion to the other large diameter portion 4a, the middle diameter portion 4
The small diameter portion 4d is smaller in diameter than c. And the book
In the embodiment, as shown in FIG. 4, the connecting portion shown in FIG.
The button holes 2 of the main body 2 by separating each button 4 from 4 '
When fitting to B, the large diameter parts 4a, 4a 'do not move up and down.
It can be used even if it is located in a displaced position
I have. As will be described later, as shown on the right side of FIG.
Fit button 4 into button hole 2B with 4a facing up
Then, the button 4 is for unlocking when opening the button type lock 1.
It functions as the button 4 of. Against this
Then, as shown on the left side of FIG.
When the button 4 is inserted into the button hole 2B with the
Functioning as a standard button
ing. Next, as shown in FIG. 2, the main body 2 has a box shape.
The case 6 is provided, and the case 1 described above is included in the case 6.
The button holes 2B of 0 pieces are formed, and each button hole 2 is formed.
A number from 0 to 9 is attached next to B. Case 6
A cylindrical keyhole 2A is formed at the center of one side surface on the short side.
One of the wires 3 is formed on the side opposite to that
I try to fix the ends. Be the other end of the wire 3
The insertion portion 3A has a substantially conical tip, and is adjacent to and behind it.
An annular groove 3a is formed in the outer peripheral portion on the side. Insert 3A
In the state of being inserted into the keyhole 2A, the engagement member 7 to be described later is engaged.
Since the mating protrusion 7a engages with the annular groove 3a, the insertion portion 3A
It is prevented from falling out of the keyhole 2A.
You. Further, the insertion portion 3A is adjacent to the annular groove 3a.
An engagement step portion 3b is provided on the rear side, and the engagement step portion 3b is provided.
Contacting the side surface of the case causes the insertion section 3A to be
It is designed so that it cannot be inserted all the way into the keyhole 2A.
The engaging member 7 is arranged along the longitudinal side surface in the case 6.
The base portion 7A of the engaging member 7 is fixed by the pin 8
The case 6 is swingably connected to the engaging member 7
At the tip 7B of the key hole in a direction substantially orthogonal to the keyhole 2B.
The engaging protrusion 7a is formed so as to be retractable. Base 7A
And the tip portion 7B is different from the straight portion 7C connecting them.
And is tilted by a predetermined angle. At the tip 7B
Span the location opposite to the engaging projection 7a and the inner wall of the case 6.
Since the coil spring 11 is mounted elastically, this engagement
The member 7 is engaged with the engaging projection 7a by the elastic force of the coil spring 11.
Is always urged in a direction projecting into the keyhole 2B. That
Therefore, the locked state shown in FIG. 3 and the insertion portion 3A are locked.
When unlocked from the hole 2A, the keyhole 2A
Through the notch 6a provided on the side wall of the
It protrudes into the keyhole 2A and is adjacent to the engaging projection 7a.
The contacting tip portion 7B contacts the edge portion of the notch 6a.
So that the engaging member 7 stops at the forward end position shown in FIG.
It has become. The straight portion 7C of the engaging member 7 and the tip
Part of the inner side that is the boundary of the end portion 7B is upward
A contact portion 7b is formed which is erected toward (see FIG.
4). The tip portion of the slide member 12 described below is the contact portion.
7b to the left against the coil spring 11 while in contact with 7b.
When the slide member 12 is pushed out, it projects into the keyhole 2A.
The engaging projection 7a that has been moved is completely retracted to the outside of the keyhole 2A.
It is supposed to. At this time, insert 3A into the keyhole.
It can be pulled out from 2A. Next, the slide member 1
2 is a plate-shaped member having a substantially rectangular shape as a whole,
An arcuate right side protrusion 12a is formed on the side surface of the case 6.
So that it protrudes outward from the elongated cutout 6b
ing. Opposite to the protruding portion 12a of the slide member 12
The side edge has a step at the same position in the longitudinal direction with the same size.
There are five notch parts 12b formed, and this
From which the five cutouts 12b were moved in parallel to the center side.
A stepped engagement hole 12c is formed at each position.
(See FIG. 7). As shown in FIG. 7, each notch 12b
The outer side portion of the inside has a wide middle-diameter notch 12b '.
However, it can be engaged with the middle diameter portion 4c of the button 4.
In addition, the width of the continuous notch 12b '
The narrow inner part is a small diameter cutout 12b ''
The small diameter portion 4d of the connector 4 can be engaged. Na
The sli that is on the outer side adjacent to the notch 12b 'for the medium diameter part
The button 4 is fitted into the button hole 2B at the edge of the door member 12.
When moving the button, move it back to a position where it does not interfere with button 4,
4 has a large diameter portion 4a (4a ') lower than the slide member 12.
To function as a recess that allows it to be inserted
It has become. In addition, each engagement hole 12c has a size larger than that of the button 4.
A large-diameter relief portion 12 sized to allow the diameter portion 4a (4a ') to penetrate therethrough.
c'and its escape portion 12c ', and its adjacent position
Notch 12 for medium diameter part formed by gradually narrowing width
c ″ and a small-diameter portion notch 12c ′ ″ are formed.
The notch 12c ″ for the medium diameter portion is engaged with the medium diameter portion 4c of the button 4.
There is a width that can be fitted, the small diameter cutout 12c '''is
The width is set so that the small diameter portion 4d of the button 4 can be engaged.
Edge of the slide member 12 having the cutout 12b
Between the two places and the inner wall of the case 6,
The il spring 13 is mounted and therefore the slide part
The material 12 is covered by the elastic force of these coil springs 13.
It is constantly urged toward the outside of S6. Slide part
For the material 12, the edge portion on the keyhole 3A side in the moving direction is straightened.
Edges on the opposite side to the linear shape
Is formed in a stepped shape in which the inner side of the case 6 is projected sequentially.
From the outer side, the first step portion 12d, the second step portion 12e,
The three steps of the third step 12f are formed. And
When purchasing the button lock 1, use the coil spring 13 to
The first slide member 12 in the biased direction is
The step portion 12d is formed on the inner wall of the case 6 adjacent to the notch 6b.
It is in a state of stopping at the number setting position where it abuts (Fig.
8). In this state, the slide member 1 as the escape portion
The left edge of 2 has five button holes on the left side of the case 6.
It is in a position slightly retracted from the edge of 2B, and the edge
The lower left part of the contact portion 7b of the engaging member 7 facing it.
Away from At this time, the slide member 1
The five engaging holes 12c in No. 2 have the escape portions 12c '.
Is located directly below each button hole 2B on the right side of the case 6
It is located in. Also, the engaging member 7 is biased by the spring 11.
Is located at the forward end where the engaging projection 7a projects into the keyhole 2A.
The inner edge of the linear portion 7C of the engaging member 7 is
Slightly smaller than the five button holes 2B on the left side of the case 6
It is receding. In other words, at this number setting position
When the material 12 is stopped, each button hole 2B is inserted into the button hole 2B from above.
When the button 4 is inserted, the large diameter portion 4a (4
a ') is fitted into each button hole 2B without any trouble.
In addition, the relief portion 12c 'of the slide member 12 and the same as that.
Adjacent to the left edge of the slide member 12 having the function
The space below the slide member 12
The large diameter part 4a (4a ') of the button 4 can be inserted
(Fig. 4). Below the slide member 12,
At the center of the case 6, a metal strip is
The topper member 14 is fixed, and the stopper portion
Surrounding the material 14 and providing an elongated frame-shaped switching member 15
I have. The switching member 15 is guided by the stopper member 14.
So that it can slide in the longitudinal direction of the case 6.
You. Longitudinal direction of the switching member 15 which is the upper side in the drawing
Over one end in the opposite direction and the inner wall of the case 6 facing it
Has a coil spring 16 mounted therein, which allows the switching
The member 15 is always urged toward the keyhole 2A side,
The end of the replacement member 15 on the side of the keyhole 2A faces the keyhole 2A.
Then, they are located in the back of the keyhole 2A in a state of being orthogonal to each other. FIG.
As shown in FIG. 5 and FIG.
The stopper member 14 that is made of thin plate metal is
10 with the vertical direction facing upward according to the number of 6 button holes 2B
The elastic portion 1 is provided with one flat elastic portion 14a.
4a is formed by bending the upper end of the button 4a to engage the button 4
An engaging portion 14b that engages with the groove 4b (4b ′) is provided, and
Of the case 6 continuously from one side above the elastic portion 14a.
Equipped with a sliding contact part 14c with a chevron cross section protruding toward the outside
I am. On the other hand, the left and right longitudinal directions of the switching member 15
The upper edge of the section has a total of 10 at predetermined longitudinal intervals.
The notches 15a are formed at the points, and these notches 1
The sliding contact portions 14c of the stopper member 14 are provided in the 5a.
To intervene. Sliding contact of stopper member 14
The portion 14c is interposed in the cutout 15a of the switching member 15.
In this state, the tip of each engaging portion 14b is formed on the case 6.
So that each button hole 2B protrudes inward
Has become. The side opposite to the keyhole 2A in the switching member 15
At the position adjacent to the end of the
A topper portion 15b is formed, and this stopper portion 15b is formed.
To the upper edge of the slide member 12 and
Make sure that each step is engaged with 12d, 12e, 12f.
ing. Then, as shown in FIG. 9, the slide member 12
Is the unlocked position where is pushed into the case 6
When the coil spring 16 is advanced to the
The replacement member 15 has a drop difference between the second step portion 12e and the third step portion 12f.
Only the keyhole 2A is advanced, and the stopper portion 15b is moved to the first position.
Engages with the two-step portion 12e. The switching member 15 moves in this way.
As it moves, as shown by the arrow in FIG.
The switching member 15 should be attached to the sliding contact portion 14c of the spacer member 14.
Adjacent parts of the notch 15a that are in sliding contact with each other, and
Elastic deformation so that the elastic parts 14a (Fig. 4) come close to each other
As a result, all the engaging portions 14 are
b is synchronously moved backward by a predetermined amount. It
In addition, at this time, on the left side edge of the slide member 12,
The engaging member 7 that abuts is retracted so that the engaging protrusion 7a
Retreat from the keyhole 2A and engage with the annular groove 3a of the insertion portion 3A.
The combined state will be released, and the switching will be performed almost at the same time.
The tip of the member 15 is pushed into the keyhole 2B by a predetermined amount.
Then, the insertion portion 3A is pushed out. did
Then, the insertion portion 3A is ejected from the keyhole 2B.
ing. In addition, as shown in FIG.
Has moved slightly outward from the unlock position above.
In the closed position, the stopper portion 15 of the switching member 15
b engages with the third step portion 12f of the slide member 12,
The position has been maintained. At that time, the switching member 15
The tip of the is retracted from the inside of the keyhole 2B to the back position.
Therefore, the sliding contact portion 14c of the stopper member 14 is switched.
It is interposed in the notch 15a of the member 15 (state of FIG. 5), and
Along with that, the engaging portion 14B of the stopper member 14 also
As shown in FIG. 4, it is in a state of protruding outward.
Further, in this state, the edge portion on the left side of the slide member 12
Is brought into contact with the contact portion 7b of the engaging member 7.
You. Further, as shown in FIG.
When the is in the numbering position that projects the most outward,
As described above, the first step portion 12d contacts the inner wall of the case 6 and
At this time, the stopper portion 1 of the switching member 15 is
5b is on the left side of the third step portion 12f of the slide member 12.
By contacting the edge of the switching member 15, the switching member 15 is most retracted.
It has stopped at the position where it was made. And at this time, the button
When each button 4 is inserted into the hole 2B from above, the slide part
The space adjacent to the edge portion on the left side of the material 12 and the engaging hole 12
The large diameter portion 4a of each button 4 through the escape portion 12c 'of c.
Insert (4a ') to the lower side of the slide member 12.
Can be. Also, the slide member 12 is numbered in this way.
When in the home position, as shown in FIG.
The sliding contact portion 14c of 14 is placed in the notch 15a of the switching member 15.
And the engaging portion 14B is also shown.
As shown in FIG. 4, it is in a state of protruding outward. Further
In addition, the engaging member 7 is also located at the forward end, and the engaging protrusion 7a is
It projects into the keyhole 2A. Furthermore, in case 6 above
Has a substantially rectangular shape so as to surround the stopper member 14.
The spring member 17 is provided. In this spring member 17
Form 10 spring parts 17a that extend inward.
(See Figure 4). The tip of each spring portion 17a is
It is located directly below the hole 2B and switches in the natural state.
It has substantially the same height as the upper end of the member 15. And the figure
When the slide member 12 shown in 8 is in the number setting position
When fitting each button 4 into the button hole 2B,
The end surface of the large-diameter portion 4a (4a '), which is the lower end of the tongue 4, is
The spring portion 17a is brought into contact with and pushed down,
Accordingly, the engaging groove 4b (4b ') of each button 4 is slid.
The engaging portion 14b of the topper member 14 is engaged and the button 4 is released.
It does not drop (Fig. 4). Also at this time
Is a large diameter portion 4a (4
a ') is located in the button hole 2B and
The heights of the upper ends of the buttons 4 fitted in the holes 2B are all the same.
I am trying to become. Also, at this time, the right side of FIG.
The unlocking button 4 shown in FIG.
Located in the notch 12b or the engaging hole 12c of the door member 12.
On the other hand, on the other hand, the standard button shown on the left side of FIG.
In the tongue 4, the small-diameter portion 4d is a cutout of the slide member 12.
12b or the engaging hole 12c. (Explanation of operation) With the above configuration, the button type of the present embodiment
When the lock 1 is put on the market, as shown in FIG.
Button 4 is not fitted in button hole 2B of case 6
The 0 buttons 4 are combined into one by the connecting portion 4 '.
ing. As shown in FIG. 8, in this state, the slide
The member 12 is located at the numbering position that projects most outwardly
And the insertion portion 3A, which is the other end of the wire 3, is also in the keyhole 2B.
Not inserted. From this state, the purchaser of the button lock 1
Set any unlocking number you like by doing the following
can do. That is, as shown in FIG.
When the id member 12 is in the number setting position, the user
If 1630 is selected as the lock number, first
The stepped portion 3b of the insertion portion 3A, which is the other end of the cable 3,
Insert into the keyhole 2A until it abuts the side surface of the spacer 6. this
By this, the engaging protrusion of the engaging member 7 is inserted into the annular groove 3a of the insertion portion 3A.
The raised portion 7a is engaged and the insertion portion 3A cannot be pulled out.
You. Therefore, from the connecting portion 4 ', first four pieces for unlocking.
Button 4 is separated and the number on the case 6
Fit four buttons 4 into button holes 2B of 1, 6, 3, 0
I do. At that time, each of the four buttons 4 is shown on the right side of FIG.
As you can see, the middle diameter part 4c comes below the small diameter part 4d.
Fit into the button hole 2B in the rugged direction. As mentioned above,
When the slide member 12 is at the number setting position, the slide
The left edge of the id member 12 is the button 2B in the left row.
And the engaging hole 12c has a relief portion.
12c 'is located directly below the button 2B in the right column.
Therefore, the large diameter portion 4a 'on the lower side of the button 4 is
The spring portion 17 after fitting to the lower side of the door member 12
a and the spring portion 17a is pushed down,
The engaging portion 14b of the stopper member 14 is provided in the engaging groove 4b of the tongue 4.
Are engaged (state on the right side in FIG. 4). In this state, unlock
The button 4 has a medium diameter portion 4c and the slide member 2 has a cutout portion 1
2b or the engaging hole 12c. After this,
Connect the remaining 6 buttons 4 for the standard
Separated from 4 ', the remaining 6 button holes 2B respectively
It fits together. At that time, with the unlocking button 4 already fitted
Leave these 6 buttons 4 in the opposite direction
It fits into the button hole 2B. This makes the standard
The remaining six buttons 4 for use are also from the slide member 12.
Also comes into contact with the spring portion 17a after being fitted to the lower side,
While pushing down the spring portion 17a, the engaging groove 4 of the button 4
The engaging portion 14b of the stopper member 14 is engaged with b (see FIG. 4).
Left side condition). In this state, the standard button
The small-diameter portion 4d of the slide 4 is located in the cutout portion 12b of the slide member 2.
It is located in the engagement hole 12c. For the above operation
Therefore, the buttons 4 are fitted into all the button holes 2B of the case 6.
Are held together. Next, as shown in FIG.
Lock the drive member 12 by pushing it into the case 6 by the required amount.
When located in the position, the middle diameter portion 4c of each button 4 for unlocking
The slide member 12 has a notch 12b for the medium diameter portion, (12
c '') engages. On the other hand, standard at this point
Small diameter part 4d of the button 4 and the slide part adjacent to it
Between the notch 12b for the medium diameter part of the material 12, (12c '')
The space is maintained in. In addition, the slide member 12
As the required amount is pushed into the case 6, the
The replacement member 15 is provided on the side of the keyhole 2A by the level difference of the third step portion 12f.
The stopper portion 15b is advanced to engage with the third step portion 12f.
The slide member 12 is maintained in the locked position.
You. In addition, the slide member 12 must be located at the lock position.
As a result, the edge portion on the left side is brought into contact with the contact portion of the engaging member 7.
Contact. In this locked position, the annular groove 3a of the insertion portion 3A is
Since the engagement protrusion 7a of the engagement member 7 is engaged with the
The state is maintained. Next, when opening the button lock 1
Can be pushed in by pressing the four buttons 4 for unlocking. Solution
When the four lock buttons 4 are pushed in, the stopper member 14
The engaging portion 14b of the
The stepped end surfaces of the middle diameter portion 4c and the large diameter portion 4a 'are engaged (see FIG.
3), and the button 4 is held at that height position. this
As a result, the small-diameter portion 4d of the unlocking button 4 is slid
The height is maintained so as to intersect with the id member 12. That is, this
In this state, the small diameter parts 4d of all buttons 4 slide
Since it is located at a height that intersects the member 12, each small diameter portion
Cutouts 12b "and 12c '" are the small diameter part of the button 4.
Further slide the slide member 12 inward until it engages with 4d.
To move the slide member 12 to the unlocked position.
(Fig. 9). In this way, the slide member 12
The engaging member 7 is pushed along with the movement to the lock position.
As the engaging projection 7a is retracted and retracts,
The engagement state between the projection 7a and the annular groove 3a of the insertion portion 3A is released.
And the switching member 15 causes the step of the second step portion 12e to rise.
It is pushed out to the keyhole 2B side by the coil spring 16
As a result, the tip of the switching member 15 is inserted into the keyhole 2.
A predetermined amount is inserted. Therefore, the tip of the switching member 15
Part comes into contact with the tip of the insertion part 3A so that the insertion part 3A comes into contact with the keyhole 2
It is pushed out of B. Therefore, the button lock 1
Be released. Also, with the movement of the switching member 15,
The sliding contact portion 14c of the stopper member 14 is in sliding contact with the switching member 15.
Then, all the engaging portions 14b move backward synchronously. Each button
4 is urged upward by the spring portion 17, so that
In this state, the engagement groove 4b of the standard button 4 is
When the engaging portion 14b is disengaged from (4b ′),
As shown in, the stepped portion of the large diameter portion 4a 'of the unlocking button 4
The engaging portion 14b is separated from the end surface. At this time, stander
The button 4 for the card is between the small diameter portion 4d and the large diameter portion 4a.
The step end of the button contacts the slide member 12
It is prevented from falling out of the hole 2B, while shown in FIG.
The unlocking button 4 has a medium diameter portion 4c and a small diameter portion.
The end face of the step with 4d should be in contact with the slide member 12.
Thus, the button hole 2B is prevented from falling off. Soshi
In this state, the button for unlocking from the top of the case 6
The protruding amount of button 4 is larger than that of standard button 4.
Is getting smaller. Next, re-lock from this unlocked state.
When locking, insert the insertion part 3A as shown in FIG.
Insert into the keyhole 2B and insert the tip into the keyhole 2B
Push the switching member 15 that had been used against the coil spring 16.
No. As a result, the strike of the second step portion 12e and the switching member 15 is
Since the upper part 15b is disengaged, the slide member 12
It is pushed outward by the elastic force of the coil springs 13 and 11.
After that, the stopper portion 15b of the switching member 15 is changed to the third step portion.
Stop at the lock position that engages with 12f, and maintain that position.
Be held. Along with this, the engaging member 7 is a coil coil.
Because the elastic force of Ne 11 moves it to the forward end,
The engaging projection 7a of the above engages with the annular groove 3a of the insertion portion 3A, and
Is locked. Further, as described above, the switching member 15 is retracted.
As a result, the switch member 15 has a slit 15a therein.
The sliding contact portion 14c of the topper member 14 is interposed,
Therefore, the engaging portion 14b projects outward,
The engaging portion 14b is engaged with the engaging groove 4b of the dado button 4.
And is urged upward by the spring portion 17a.
The unlocking button 4 has a medium-diameter portion 4c that slides.
After being raised to a height intersecting the material 12, the engaging portion
14b projects outward and the engaging groove 4 of the button 4 for unlocking
b. This makes the case for all buttons 4
The amount of protrusion from 1 is the same, which means that it is locked.
At this time, as shown in FIG. 6, the button 4 for unlocking
The outer end of the engaging portion 14b at the adjacent position has a medium diameter portion.
4c and slightly larger than the end face of the step between the large diameter part 4a '
The upper end of the inclined surface of the engaging groove 4b.
I am fit. Therefore, the slide member 12 is in the locked position.
The button 4 for unlocking moves to the middle diameter part 4 as it moves to
projecting upward by the axial length of c, and at that time engaging groove 4
The engaging portion 14b engages with b without any trouble. Book as above
According to the embodiment, the purchaser of the button type lock 1 has an option for unlocking.
You can set the number of. In this embodiment,
If you set an arbitrary number for unlocking, whether it is unlocked
Insert the insertion part 3A into the keyhole 2B and then lock it again.
At this time, the stepped portion 3b of the insertion portion 3A is attached to the side surface of the case 6.
Unlock by inserting deeply into the keyhole 2B until it abuts
Button 4 for use is lifted, all buttons 4 are the same
It can be in a high reset state. Accordingly
And push up the button 4 for unlocking, and raise it
I will never forget. (Second Embodiment) Next, FIG. 10 shows another embodiment of the present invention.
It was done. That is, in the second embodiment, the first
Instead of the wire as the loop-shaped member in the embodiment
In addition, a substantially U-shaped iron rod 3 is used. This
One end of the rod 3 as a loop-shaped member of the
It is rotatably attached and the case 6 is shown in the drawing.
You can now move a certain amount in the left-right direction
I have. The other end 3A of the rod 3 is the same as that of the first embodiment described above.
It is configured like. Then, as shown in FIG.
The other end 3A of the rod 3 is opposed to the keyhole 2A on the case 6 side.
In this state, push the rod 3 toward the left side of the case 6
By doing so, insert the other end 3A of the rod 3 into the keyhole 2A.
ing. The other structure is the same as that of the first embodiment described above.
It is. Even in the second embodiment having such a configuration,
It is possible to obtain the same effect as that of the first embodiment.
In addition, the rod 3 as a loop-shaped member has a symmetrical left and right.
A pair of members are swingably connected by pins etc.
It may be formed in a letter shape or a circle. (Third Embodiment) FIG. 11 shows a button of the present invention.
3 shows another embodiment. That is, the first actual
In the embodiment, the button 4 is pushed in either the forward or reverse direction for the button hole 2B.
As a standard button, depending on whether or not
Or it can be used also as an unlock button
However, in the second embodiment, the standard button 4
And the unlocking button 104 are configured separately.
You. Therefore, in this second embodiment,
10 buttons 4 and unlock button 104
Equipped with 10. And for unlocking as described above
When setting the number, use the standard number
Remove button 4 and unlock button 104
It suffices to fit it into the button hole on the base. Note that the first
In the embodiment, the wire 3 is used as the loop-shaped member.
However, a chain may be used instead of the wire.

[0007]

As described above, according to the present invention, the purchaser of the button type lock can set an arbitrary number for unlocking.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing one embodiment of the present invention.

FIG. 2 is a plan view of the case shown in FIG. 1 with the upper surface removed.

FIG. 3 is an enlarged front view showing one of the buttons 4 shown in FIG.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

5 is a perspective view showing a main part of FIG.

FIG. 6 is a sectional view showing a state of a button when the slide member 12 is in an unlock position.

FIG. 7 is an enlarged view of the main parts of the constituent members shown in FIG.

FIG. 8 is a plan view of an essential part showing a state when the slide member 12 is at a number setting position.

FIG. 9 is a plan view of an essential part showing a state when the slide member 12 is at an unlock position.

FIG. 10 is a plan view showing another embodiment of the present invention.

FIG. 11 is a perspective view showing another embodiment of buttons.

[Explanation of symbols]

1 button type lock 2A keyhole 2B buttonhole 3 wire (loop-shaped member) 4 button 4a, 4a '
Large-diameter portion 4b, 4b 'Engaging groove 4c Medium-diameter portion 4d Small-diameter portion 6 Case 12 Slide member 12b Cutout 12b' Medium-diameter cutout 12b '' Small-diameter cutout 12c Engagement hole 12c 'Relief 12c '' Notch for medium diameter part 12c '''
Notch for small diameter part

Claims (3)

[Claims] 1. A loop-shaped member having one end attached to a case and the other end detachably inserted into a keyhole of the case, a plurality of button holes formed in the case, a small-diameter portion at a predetermined position in the longitudinal direction, and a middle portion. A plurality of buttons that are formed into a diameter portion and a large diameter portion and are fitted into the button holes of the case, and are arranged in the case so as to be movable in a direction intersecting with the buttons, and are fitted into the button holes. To form a notch for the medium diameter portion that engages with the medium diameter portion of each button and a notch for the small diameter portion that is connected from the notch for the medium diameter portion and that engages with the small diameter portion of each button. A slide member, and the other end of the loop-shaped member may fall out of the key hole of the case at the lock position where the notch for the middle-diameter portion of the slide member engages with the middle-diameter portion of one of the buttons. Arrested,
In the unlocked position where the small diameter notches of the slide member are engaged with the small diameter portions of all buttons, the button type configured to allow the other end of the loop-shaped member to fall out of the key hole of the case In the lock, the slide member is formed with a recess formed of a notch having a width wider than that of the notch for the medium diameter portion, the recess being continuous with the notch for the medium diameter portion, and the notch having the button hole. When the slide member is located at the lower number setting position, the large-diameter portion of each button can be fitted to the lower side of the slide member through the button hole of the case and the recess of the slide member. When the slide member is moved to the lock position and the unlock position, the large diameter portion or the middle diameter portion of each button is locked to the slide member so that each button does not come out of the button hole. Button type lock which is characterized by being configured so as to stop. 2. A spring for urging a button fitted into each button hole toward the outside is provided in the case in accordance with the position of each button hole, and a spring is provided in the case. When the engaging member is swingably provided and the engaging protrusion provided on the engaging member engages with the engaging portion provided on the other end of the loop-like member inserted into the keyhole, the loop-like member is It is constructed so that it cannot be removed from the keyhole, and inside the case, there are a plurality of engaging portions made of elastic members that engage with the engaging grooves of the buttons and a plurality of elastic members protruding at the adjacent positions. A stopper member having a sliding contact portion is fixedly provided, and the stopper portion engages with a plurality of notches in which the sliding contact portions of the stopper member are interposed and a plurality of step portions formed on the slide member. A switching member having a The switching member is constantly urged from the inner side toward the keyhole by the spring, and when the slide member is in the lock position, the stopper portion of the switching member engages with one of the step portions of the slide member. , The slide member is maintained at the lock position, and at the lock position, the engaging portion at the other end of the loop-shaped member inserted into the keyhole engages with the engaging protrusion of the engaging member, The other end is configured to be prevented from falling out of the keyhole, and when the slide member is moved from the lock position to the unlock position, the engagement member is retracted by the movement of the slide member, The engaging projection is retracted from the key hole to release the engagement with the engaging portion at the other end of the loop-shaped member, and the switching member is advanced toward the key hole side, so that the stopper portion slides. Step 1 of The slide member is maintained in the unlocked position by engaging with, and the other end of the loop-shaped member is discharged to the outside of the case from the key hole by contacting the switching member that is advanced. The button-type lock according to claim 1. 3. The button is provided with the large-diameter portion on both end sides in the longitudinal direction, and the medium-diameter portion and the small-diameter portion are formed on the central portion side in the longitudinal direction of the button. It can be fitted into the button hole from any large diameter portion, and when each button is fitted into the button hole from one large diameter portion, each button functions as an unlocking button. On the other hand, when each of the buttons is fitted into the button hole from the large diameter portion of the other, the button functions as an unlocking button. Button type lock described in 2.