JPH06193325A - Safety device for home delivery baggage box - Google Patents

Abstract

PURPOSE:To open the front car in a locking state from the inside of a home delivery baggage box. CONSTITUTION:A safety pin 50 is mounted to a locking cam. A lock releasing plate 51 placed to the inside of the front door 2 in a turnable manner. The lock releasing plate 51 is connected to the safety pin 50 in a detachable manner. When the lock releasing plate 51 is struck from the inside of a home delivery baggage box 1 in a state to close both the rear door and front door 2, the lock releasing plate 51 is vibrated to push the safety pin 50. Under such a state, the lock plate is detached from a lock hole of the front door 2. The locking state of the front door 2 can be released from the inside of the home delivery baggage box 1. The confinement of children in the home delivery baggage box can be prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety device for a delivery box for receiving packages delivered to an out-of-home house.

[0002]

2. Description of the Related Art Conventionally, some home delivery boxes have an electric lock attached to the door, and the electric lock is unlocked by a password or a magnetic card. There is one that automatically locks and unlocks the luggage entrance door with a key.

[0003]

By the way, due to the nature of the delivery box, if the content of the delivery box is increased in order to receive a large package, a child can enter the delivery box, and in that state, the electric lock can be applied from the outside. If it is locked with a key or a key, the child will be locked inside, and it will not be possible to confirm for a long time, which is a problem in terms of safety management.

The present invention has been made in view of the above conventional problems, and an object of the present invention is to provide a safety device for a delivery box in which a front door in a locked state can be opened from the inside of the delivery box. There is.

[0005]

In order to solve the above-mentioned problems, according to the present invention, a front door 2 is provided on a side surface 1a of a delivery box 1.
A front-rear connecting rod 8 which is movable in the front-rear direction is provided between the rear door 3 and the rear door 3. The front-rear connecting rod 8 is constantly biased by the spring 9 toward the rear door 3. A lock push button 11, which is always spring-biased outward, is attached to the front door 2 penetrating the front door 2. The locking recess 1 is attached to the protruding end 11a of the lock push button 11 which protrudes inside the front door 2.
1b is provided. A safety pin 50 is movably attached to the inner surface of the front door 2. Between the front door 2 and the front-rear connecting rod 8, there is a rocking piece 12 which is tilted by the front-rear connecting rod 8 to assume a lock standby posture P ₁ and raised by the front-rear connecting rod 8 to assume a lock releasing posture P _2. A locking cam whose rear end is elastically locked to the rocking piece 12 by the spring body 10 and whose front end is provided with a locking claw 13c that can be locked in the locking recess 11b of the lock push button 11. Thirteen
And a dead cam 14 that can come into contact with and separate from the protruding end 11a of the lock push button 11, one end can come into contact with the dead cam 14 and the other end can engage with a lock hole 16 provided in the front door 2. A lock plate 15 and a lock release plate 51 that is swingably disposed on at least one of the inner surfaces of the rear door 3 and the front door 2 and that can be brought into contact with and separated from the safety pin 50 of the lock cam 13 are provided. The rocking piece 12 that is provided and takes the lock standby position P ₁ with the back door 3 closed.
The locking claw 13c of the locking cam 13 is positioned on the movement locus M of the locking recess 11b of the locking push button 11, and the locking push button 11 is pressed from the front side of the front door 2 so that the locking push button 11 moves. The locking recess 11b is the locking cam 1
3 and the protruding end 11a of the lock push button 11 presses the dead cam 14 so that the hook-shaped portion 15c of the lock plate 15 is engaged with the lock hole portion 16 of the front door 2. Hold the door 2 closed. In addition, when the unlocking plate 51 is rocked by an external force, the unlocking plate 51 causes the locking cam 13 to move.
Of the locking cam 13 by pushing the safety pin 50 of the lock cam 13
c is pushed in a direction away from the movement locus M of the locking recess 11b of the lock push button 11, and the lock push button 11 is pushed forward of the front door 2 by a spring force, whereby the protruding end 11a of the lock push button 11 is pushed. The pressing of the dead cam 14 by the above is released, the hook-shaped portion 15c of the lock plate 15 is detached from the lock hole portion 16 of the front door 2, and the front door 2 is held openably.

[0006]

According to the present invention, the lock cam 13 is provided with the safety pin 50, and the lock release plate 51, which is swingably disposed on the inner surface of the front door 2, can be brought into contact with and separated from the safety pin 50. Therefore, when both the back door 3 and the front door 2 are closed and the child is trapped in the delivery box 1, the child may run wild inside the delivery box 1 or hit the unlock plate 51. As a result, the unlocking plate 51 swings to push the safety pin 50, and the locking claw 13c of the locking cam 13 locks the push button 1 for locking.
The locking recess 11b of No. 1 is pressed in a direction deviating from the movement track M. Therefore, when the lock push button 11 is pushed forward of the front door 2 by a spring force, the pressing of the dead cam 14 by the protruding end portion 11a of the lock push button 11 is released, and the hook-shaped portion 15c of the lock plate 15 is released. Since it is disengaged from the lock hole portion 16, the front door 2 can be unlocked from inside the delivery box 1. Therefore, the front door 2 can be opened from the delivery box 1 and can be prevented from being trapped in the delivery box 1 for a long time.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 2 and 3, a storage space for storing luggage is provided in the center of the front of the delivery box 1 used in this embodiment, and the storage space is covered by the front door 2 so as to be openable and closable. In addition, the rear surface of the delivery box 1 is openably and closably covered by a rear door 3, and the rear door 3 is provided with a locking mechanism 5 (FIG. 12) having a locking member 4 that can be locked. . A storage space for the stamping device 6 is provided in the upper portion of the front door 2, and a slip can be stamped by inserting a slip from a slip insertion opening (not shown) and pressing a stamp switch.

A front door 2 is provided on the side surface 1a of the delivery box 1.
A front-rear connecting rod 8 which is movable in the front-rear direction is provided between the rear door 3 and the rear door 3. The front-rear connecting rod 8 is always urged by a spring 9 (FIG. 7) toward the rear door 3, and the rear end portion of the front-rear connecting rod 8 elastically projects from the locking mechanism 5 of the rear door 3. When the rear door 3 is closed and locked, the front-rear connecting rod 8 is pushed into the locking mechanism 5 as shown by the solid line in FIG. 6 to resist the spring force of the spring body 9 and front surface. When the rear door 3 is released, the front and rear connecting rods 8 project from the locking mechanism 5 when the rear door 3 is released, and the rear door 3 is pushed open when the rear door 3 is released. It is movable from the door 2 in the backward direction.

Further, the front door 2 is, as shown in FIG.
A lock push button 11 is attached so as to penetrate therethrough. A spring body (not shown) is built in the lock push button 11, and the spring pushes the lock push button 11 toward the outside at all times. Has been done. Also, the lock push button 1
The protruding end 11a protruding inward of the front door 2 of FIG. 1 is provided with a locking recess 11b, and the protruding end 11a is normally elastically abutted on the inner surface of the front door 2 by a spring body. . As shown in FIGS. 1A and 1B, a lock release plate 51 that covers a substantially lower half of the front door 2 is attached to the inner surface of the front door 2 with a gap. A swing shaft 51a is provided in the center of the unlocking plate 51,
The unlocking plate 51 is normally in a stationary state, and is freely swingable to the left and right around the swing shaft 51a by an external force.

A lock mechanism unit 60 is interposed between the front door 2 and the front-rear connecting rod 8, and the rocking piece 12, the lock cam 13, the dead cam 14, and the lock plate 15 are provided in the lock mechanism unit 60. Are stored and arranged respectively. First, the swinging piece 12 is formed in a substantially L shape, the central portion is rotatably supported by the shaft 12a, and the rear end portion 12b is pin-coupled to the front end portion 8a of the front-rear connecting rod 8. An inserted portion 12c to which the locking cam 13 is locked is provided at the tip, and is rotatable about an axis line perpendicular to the moving direction of the front-rear connecting rod 8. As a result, the swinging piece 12 is tilted by the forward movement of the front-rear connecting rod 8 to assume the lock standby posture P ₁ , and is raised by the backward movement of the front-rear connecting rod 8 to assume the unlocking posture P _2. ing.

The lock cam 13 is interposed between the rocking piece 12 and the lock push button 11, and is shown in FIGS. 9 (a) and 9 (b).
As shown in FIG. 7, the shaft 13a is rotatably supported in the same direction as the swinging direction of the swinging piece 12 and the rear end portion thereof has an inserted portion 12c provided at the tip of the swinging piece 12. Is provided with an insertion portion 13b that is inserted into and locked in, a locking claw 13c that can be locked in the locking recess 11b of the lock push button 11, and a safety pin at the lower end thereof. 50 is arranged opposite to the side surface of the unlocking plate 51. In this embodiment, as shown in FIG. 8, the safety pin 50 is a lock mechanism unit 60 attached to the inner surface of the front door 2.
It is arranged so as to project from the cutout hole 70 provided on the side surface of the unlocking plate 51. A spring body 10 is provided on the shaft 13a of the locking cam 13 shown in FIG. 7, and the insertion portion 13b of the locking cam 13 is the insertion portion of the rocking piece 12 in the locking cam 13 due to the spring force of the spring body 10. The spring is always biased in the direction in which it is elastically inserted into 12c, whereby the locking cam 13 is centered on the axis following the lock standby position P ₁ and the unlock position P ₂ of the rocking piece 12. And the insertion portion 13b is rotated to the inserted portion 12c of the rocking piece 12
It is designed to hold the inserted state.

That is, in the lock cam 13, the locking claw 13c of the lock cam 13 is locked by the locking recess of the lock push button 11 when the swinging piece 12 is in the lock standby position P ₁ by the front and rear connecting rod 8. The lock recess 11b of the lock push button 11 is pushed by pushing the lock push button 11 in this state.
Over the locking claw 13c of the locking cam 13, the locking recess 13b is engaged with the locking claw 13c by the spring restoring force of the locking cam 13, and the locking push button 11 is held in the pressed state. On the other hand, when the swinging piece 12 is in the unlocked posture P ₂ , the locking claw 13c of the locking cam 13 is disengaged from the movement locus M of the locking recess 11b of the locking push button 11 to lock the lock. Even if the push button 11 is pressed from the front of the front door 2, the locking recess 11b of the lock push button 11 cannot be locked by the locking claw 13c of the lock cam 13, and the lock push button 11 is in the original state by the spring force. Automatically returns to. On the other hand, since the safety pin 50 is provided at the lower end of the lock cam 13 so as to face the end of the lock release plate 51, the lock release plate 51 is formed.
In a state where unlocking plate 51 pushes the safety pin 50 at the time of swinging, by the locking cam 13 is caused to return to pivot about the shaft 13a in the unlocked position P _2, the locking push button 11 The locking claw 13c of the locking cam 13 can be automatically detached from the locking recess 11b by the safety pin 50.

The dead cam 14 comprises a fan-shaped cam rotatably supported by a shaft 14a arranged above the lock cam 13, and the protruding end portion of the lock push button 11 is provided at the lower end side of the arc portion of the dead cam 14. 11a is provided with a pressed portion 14b which can be freely contacted and separated, and the pressed portion 14b is the push button 1 for locking.
In the state where the dead cam 14 is lifted by the protruding end 11a of No. 1, the dead cam 14 is rotated upward about the shaft 14a.

The lock plate 15 is rotatably supported about a shaft 15a arranged above the dead cam 14, and the rear end portion 15b of the lock plate 15 is at the dead cam 1.
4 is in contact with an abutting portion 14c on the upper end side of the arc portion of 4, and a hook-shaped portion 15c engageable with a lock hole portion 16 provided in the front door 2 is provided at the tip end portion of the lock plate 15. .
In the pushed state of the lock push button 11 shown in FIGS. 11A and 11B, the dead cam 14 is lifted by the projecting end 11 a of the lock push button 11, and the hook-shaped portion 15 c of the lock plate 15 is opened. Lock hole part 1
The front door 2 is held in a closed state by being pressed against the lock lever 6, while the dead cam 14 presses the hook-shaped portion 15c of the lock plate 15 against the lock hole portion 16 when the lock push button 11 is not pushed. The force is released and the front door 2 is held in an openable state.

Next, a method of using the delivery box 1 will be described. First, if you want to receive your luggage at an absence house, etc., please refer to FIG.
As shown in (a), the family member closes the back door 3 and locks it in advance. When the back door 3 is locked, the front and rear connecting rod 8
Is pushed forward, the swinging piece 12 takes the lock standby posture P _1, and the locking claw 13c of the locking cam 13 is positioned on the movement locus M of the locking recess 11b of the locking push button 11. In this state, the dead cam 14 is in the free state as shown by the chain double-dashed line in FIG. 7, and the lock plate 15 is also in the free state. Therefore, the lock hole portion 16 of the front door 2 is in this state.
Since the hook-shaped portion 15c of the lock plate 15 is only caught on the lock plate 15, when the front door 2 is pulled forward to open it, the lock plate 15 once becomes a state indicated by a chain double-dashed line, and the front door 2 cannot be opened. It will be possible. Then, when the front door 2 is opened, the lock plate 15 returns to the state of the solid line, but when the front door 2 is closed after loading the luggage, the lock plate 15 becomes the state of the two-dot chain line again to close the front door 2. it can. Next, when the lock push button 11 is operated, the lock push button 11 lifts the dead cam 14 so that the hook-shaped portion 15c of the lock plate 15 engages with the lock hole portion 16 of the front door 2, and the front door 2 is locked by the lock plate 15. It is kept closed (solid line in FIG. 7). In this state, after locking the front door 2, the front door 2 cannot be unlocked unless the rear door 3 is unlocked, and there is no possibility of taking out the luggage from the rear door 3 after putting the luggage into the delivery box 1. The two front doors 2 and the two rear doors 3 can be used without any problem without using an electric lock or a key.

On the other hand, the family member releases the rear door 3 to release the rear door 3.
When the back door 3 is not locked after the luggage is taken out from the luggage, as shown in FIG. 10B, the front and rear connecting rod 8 is pushed backward and the back body 3 is pushed by the spring body 9 to open the back door 3. Leave it as it is. At this time, the locking claw 13c of the locking cam 13 is deviated from the movement locus M of the locking recess 11b of the locking push button 11 in the unlocked posture P ₂ , and therefore, even if the locking push button 11 is pushed in. The dead cam 14 is not locked by the lock cam 13.
7 is in the state of the chain double-dashed line in FIG. 7 and the lock plate 15 is in the free state, so the front door 2 is not locked and can be opened, and then the rear door 3 is closed, It is possible to return to the condition of receiving the luggage.

In this state, anyone can freely open and close the back door 3 and the front door 2 when the back door 3 is not locked, so that a child can easily enter the delivery box 1. If another person locks it without realizing it,
You will be trapped inside. Therefore, when the child goes wild in the delivery box 1 or hits the unlocking plate 51, the unlocking plate 51 swings on the seesaw and the safety pin 50 moves from the solid line position in FIG. The locking claw 13 of the lock cam 13 is pushed by
c is pushed in a direction away from the movement locus M of the locking recess 11b of the lock push button 11, and the lock push button 11 is pushed forward of the front door 2 by a spring force, whereby the protruding end 11a of the lock push button 11 is pushed. Since the pressing of the dead cam 14 by the is released and the hook-shaped portion 15c of the lock plate 15 is detached from the lock hole portion 16 of the front door 2, the delivery box 1
The locked state of the front door 2 can be released from inside. Therefore, the front door 2 can be opened only by pushing the front door 2 out of the delivery box 1 (state of FIG. 4), and it is possible to prevent the front door 2 from being trapped in the delivery box 1 for a long time. It is possible to prevent accidents.

Further, in this embodiment, since the opening and closing of the front door 2 is interlocked with the rear door 3, it is possible to receive the luggage in an absent house without using an electric lock or a key. Is cheaper, and IC is the same as before
Since it is not necessary to use an electronic circuit such as at a low voltage, even if the delivery box 1 according to the present invention is used outdoors, it is not affected by noise, cold, humidity, and other disturbances. There is an advantage that a defect does not occur and an increase in cost for eliminating this defect can be prevented. Further, by opening the front door 2 in conjunction with the opening of the rear door 3, the front door 2 is surely closed unless the rear door 3 is securely closed.
With a structure in which the receipt cannot be locked and the receipt stamp cannot be imprinted, after the parcel is loaded into the delivery box 1 from the front door 2 and the receipt stamp is stamped on the slip, the Luggage cannot be taken out from the door 3, and no problem occurs even if the front door 2 without lock is used from the viewpoint of theft prevention. Further, since the family member can unlock the back door 3 and take out the luggage from the back door 3, even if the delivery box 1 is installed at the boundary of the site of the house such as a fence, the outside of the fence ( There is also an advantage that the luggage loaded into the delivery box 1 from the outside of the site can be taken out inside the fence (on the site), which is extremely convenient.

In the above embodiment, the seesaw swingable lock releasing plate 51 is arranged on the inner surface of the front door 2, but it may be arranged on the inner surface of the rear door 3, or the rear door 3 and the front surface. It may be arranged on the inner surface of the door 2, respectively. When it is arranged on the inner surface of the rear door 3, a member for interlocking the lock release plate 51 and the safety pin 50 is provided, and the front door is interlocked with the seesaw swing of the lock release plate 51 on the rear door 3 side. Locking cam 1 located on the 2 side
The safety pin 50 of No. 3 may be pushed.
In this case, the safety can be further enhanced by using the two unlock plates 51.

[0020]

As described above, according to the present invention, when the unlocking plate is swung by the external force, the unlocking plate pushes the safety pin of the locking cam so that the locking claw of the locking cam pushes the locking push button. When the lock push button is pushed in a direction away from the movement track of the locking recess of the lock push button and is pushed forward of the front door by a spring force, the pushing of the dead cam by the protruding end of the lock push button is released and the lock plate hooks. When the door is closed from the lock hole of the front door and the front door is held openably, both the front door and the rear door are closed and the child is trapped in the delivery box. However, when a child hits or unlocks the unlocking plate, the unlocking plate swings and the safety pin operates, opening the front door from inside the delivery box. . As a result, it is possible to prevent the home delivery box from being locked in the home delivery box for a long time, and to secure the safety of the home delivery box.

[Brief description of drawings]

1A and 1B show the vicinity of a front door used in an embodiment of the present invention, FIG. 1A is a plan view in which a lock release plate is in a stationary state, and FIG. 1B is a plan view in which a lock release plate is in a swinging state. It is a figure.

FIG. 2 is a perspective view of the delivery box above when viewed from the front.

FIG. 3 is a perspective view showing a state in which a front door of the home delivery box is opened.

FIG. 4 is a plan view showing a state in which a front door of the same is opened.

FIG. 5 is a plan view showing a state in which a front door of the above is closed.

FIG. 6 is a side view showing the vicinity of the front and rear connecting rods of the above-mentioned rear door.

FIG. 7 is a side view of the vicinity of the lock push button of the front door of the above.

FIG. 8 is a perspective view showing a lock releasing plate and a safety pin of the same.

9A is a side view showing a locked state of the rocking piece and the locking cam, and FIG. 9B is a perspective view showing an unlocked state.

FIG. 10A is a side view showing a locked state of the rear door, and FIG. 10B is a side view showing a released state of the rear door.

FIG. 11A is a cross-sectional view showing the unlocked state of the lock plate, and FIG. 11B is a cross-sectional view showing the locked state of the lock plate.

FIG. 12 is a perspective view of a locking mechanism with a stopper used for the rear door of the above.

[Explanation of symbols]

1 Delivery box 1a Side surface 2 Front door 3 Rear door 8 Front-rear connecting rod 9 Spring body 11 Lock push button 11a Projecting end 11b Locking recess 12 Rocking piece 13 Locking cam 13c Locking claw 14 Dead cam 15 Lock plate 15c Hook shape Part 16 Lock hole part 50 Safety pin 51 Lock release plate P ₁ Lock standby position P ₂ Lock release position M Trajectory

Claims (1)

[Claims] 1. A front and rear connecting rod is provided on a side surface of the delivery box so as to be movable in a front and rear direction between a front door and a rear door, and the front and rear connecting rod is always biased by a spring body toward the rear door. , A lock push button that is always spring-biased outward is attached to the front door through the front door.
A locking recess is provided at the protruding end of the lock push button that protrudes inside the front door, and between the front door and the front-rear connecting rod,
A rocking piece that is tilted by the front and rear connecting rods to assume a lock standby posture and raised by the front and rear connecting rods to assume a lock releasing posture, and a rear end of the rocking piece is elastically locked to the rocking piece and a tip end thereof. Locking cam that has a locking claw that can be locked in the locking recess of the lock push button and a safety pin, a dead cam that can be brought into and out of contact with the protruding end of the lock push button, and one end abuts the dead cam. A lock plate that is free and is engageable with a lock hole provided on the front door at the other end,
A lock releasing plate, which is swingably disposed on at least one of the inner surfaces of the front door and the rear door and is capable of coming into contact with and separating from the safety pin of the locking cam, is provided, and the rear door is closed. In this state, the locking claw of the lock cam is positioned on the movement track of the locking recess of the lock push button by the swinging piece that is in the lock standby position, and the lock push button is pressed from the front of the front door to lock. The locking recess of the push button engages with the locking claw of the lock cam, and the protruding end of the lock push button presses the dead cam to engage the hook-shaped portion of the lock plate with the lock hole of the front door. When the front door is held closed and the lock release plate is swung by an external force, the lock release plate pushes the safety pin of the lock cam and the locking claw of the lock cam pushes the lock push button. of When the lock push button is pushed in a direction away from the movement path of the stop recess and the lock push button is pushed forward of the front door by a spring force, the pushing of the dead cam by the protruding end of the lock push button is released and the hook-shaped portion of the lock plate is released. Is a safety device for a delivery box in which the front door is held so that the front door can be opened by detaching from the lock hole of the front door.