JP3010071U - Bag lid locking device - Google Patents

Abstract

(57) [Summary] [Object] To provide a lid locking device for a bag, which is securely locked, and can be easily locked / unlocked by pushing the locking / releasing lever with a fingertip. [Structure] One end of an operating lever is pivotally attached to a portion of an opening end side of the bag main body of a fixing substrate to be fixed to the main body of the bag, and a base end portion of a hook plate is pivotally attached in the middle of the operating lever to fix it. Substrate 2
On one side, a one-sided locking claw body having a locking hook portion bent toward the opening end side of the bag body at the upper end is provided in a protruding manner, and a window hole is provided in the operation lever. Accommodates a locking / unlocking lever whose one end on the open end side of the bag body is pivotally attached to the operation lever. The attaching / detaching lever includes a second-side engaging member that engages with the one-side engaging claw body at a position closer to the opening end side of the bag body than the one-side engaging claw body in a state where the operation lever is in a recoiled state. It is made by projecting a claw body

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a bag lid locking device, and more specifically, a bag-like lid body in which a box-like bag body 101 called a large-sized bag and a box-like bag lid body 102 are hinge-connected at one side. The present invention relates to a bag lid locking tool that locks by pulling 102 on the bag body 101 side with a hook.

[0002]

[Prior art]

 Conventionally, as a lid locking device for this kind of bag, one shown in FIG. 5 has been used. This lid locking tool pivotally attaches one end of an operating lever 10 to a machine base 20a, and pivotally attaches a base end portion of a hook plate 30 having a hook portion 31 at its tip in the middle of the operating lever 10. Become. When the operating lever 10 is moved down, the pivotal portion of the base end portion of the hook plate 30 is located below the pivotal portion of the operating lever 10.

Therefore, the state shown in FIG. 5 is the state in which the bag lid body 102 (not shown in FIG. 5) is locked, but from this state, the rear end of the operation lever 10 (see FIG. 5 "right end) is lifted up in the direction of arrow P4, the operating lever 10 is lifted, the hook plate 30 advances toward the tip hook portion 31 thereof, and the lock of the bag lid body 102 can be detached and attached. When the lid 102 is closed and locked, the bag lid 102 can be pulled and locked to the bag body 101 side by the reverse operation.

[0004]

[Problems to be solved by the device]

 However, it is said that the above-described conventional bag lid locking device requires an operation of prying up the rear end of the operating lever 10 with a fingertip when the locking and removing is performed, which is unexpectedly complicated. There is. In addition, in this type of bag lid locking device, it is necessary to secure a space for pointing a finger on the back side of the operation lever 10, and when the bag is attached to the body 101 of the bag, a part thereof is lifted to secure the space. It had to be installed, and it had a problem that it was not well formed.

Further, in the above-described conventional bag lid locking device, the locking of the hook portion 31 to the bag lid body 102 is usually prevented from being detached due to the balance of the pivotal position. The balance of the above was delicate, and there was also a problem that the locking may be unexpectedly released due to impact.

However, in order to prevent the hook portion 31 from being unintentionally disengaged from the bag lid body 102, the pivotal attachment portion of the hook plate 30 should be located further below “FIG. 5”. It is possible, but doing so has the problem that a large force is required to pry the rear end of the hook plate 30 with the fingertips, or the rear end of the hook plate 30 needs to be pryed with a small force. There is a problem that it has to be extended for a long time.

Therefore, the present invention has been made to solve the above-mentioned problems, and the locking is reliable, and the hook plate 30 is locked and removed by fingertips instead of by lifting and pulling the rear end of the hook plate 30 by fingertips. It is an object of the present invention to provide a bag lid locking device that can easily remove the locking of the hook portion 31 by pushing the lever for the bag.

[0008]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the structure of the present invention, which is based on the above-mentioned utility model registration claim, has the opening end of the bag body 101 of the fixing substrate 20 fixed to the bag body 101. One end of the operation lever 10 which covers the fixing substrate 20 is pivotally attached to the side portion, and a hook portion which is engaged with the engagement portion 103 of the bag lid body 102 at the tip end in the middle of the operation lever 10. One side having a base end portion of a hook plate 30 having 31 pivotally attached thereto, and a locking hook portion 22 bent toward the open end side of the bag body 101 at the upper end on the fixing substrate 20. A locking claw body 21 is provided in a protruding manner, and a window hole 11 is provided in the operation lever 10, and an opening end side end of the bag body 101 is pivotally attached to the operation lever 10 in the window hole 11. The detachable lever 12 is housed, and the locking and detachable lever 12 has the other end side. A spring 13 biased in the upward direction is provided, and further, on the lower surface of the locking and detaching lever 12, in the state where the operating lever 10 is laid down, the bag main body is more than the one side locking claw body 21. The technical means is provided by projecting the other side locking claw body 14 that locks to the one side locking claw body 21 at a position close to the opening end side of 101.

Further, in the invention of “claim 2”, the operation lever 10 which covers the fixing substrate 20 fixed to the bag body 101 on the fixing substrate 20 at the opening end side portion of the bag body 101. One end of the hook plate 30 having a hook portion 31 that is locked to the locking portion 103 of the bag lid body 102 at the tip of the operation lever 10 is pivotally connected to the end of the operation lever 10. On the fixing substrate 20, a one-side locking claw body 21 having a locking hook portion 22 bent at the upper end toward the opening end side of the bag body 101 is provided in a protruding manner. Is provided with a window hole 11. In the window hole 11, a locking / releasing lever 12 in which one end of the bag body 101 on the opening end side is pivotally attached to the operation lever 10 is housed, and the locking / releasing lever 12 is , A spring 13 whose other end is biased in the upward direction is provided, and The lower side of the lever 12 is locked to the one side locking claw body 21 at a position closer to the opening end side of the bag body 101 than the one side locking claw body 21 in a state where the operation lever 10 is laid down. The other side locking claw body 14 is provided in a protruding manner. Further, on the lower surface side of the operation lever 10, a number is displayed on the peripheral surface at a position closer to the opening end of the bag body 101 than the other side locking claw body 14. A plurality of number rings 41 are provided so that their tops extend through the upper surface of the operating lever 10 and are rotatably arranged. A cam 42 is integrally attached to each of the number rings 41. A lid locking device for a bag, which is provided with a cam floor 43 that prevents the other side locking claw 14 from rotating and detaching at a position pushed down by the cam 42.

[0010]

[Action]

 Next, the operation of the present invention will be described with reference to the accompanying drawings. First, the locking device of the bag of the present invention is in the state shown in FIG. 4 when the bag lid body 102 is not locked. That is, the operating lever 10 is in the upright state, and the hook plate 30 is moving toward the hook portion 31.

Therefore, in order to lock the bag lid body 102 to the bag body 101, first, the tip hook portion 31 of the hook plate 30 is pushed down in the direction of arrow P2 in FIG. 4, and the hook portion 31 is closed. The locking portion 103 is locked. Next, when the rear end portion of the operation lever 10 is pushed down in the direction of arrow P3, the hook plate 3 moves to the side opposite to the lid body 102, and the bag lid body 101 is locked to the bag body 101, which is the same operation as the conventional one. Is.

Then, when the operating lever 10 falls down to a predetermined position, the operating lever 10 is locked by the locking piece 5 in the falling position, and the hook portion 3a locks the bag lid 102 (see FIG. 3 ”shown in the drawing).

Then, in order to remove and attach the locking of the bag lid body 102, the locking and removing lever 12 is operated (pushed down) with a fingertip. Then, the other side locking claw body 14 acts to release the locking to the one side locking claw body 21, and to allow the locking of the bag lid body 102 with the hook portion 31 to be removed.

In addition, the device of claim 2 naturally has the same function as described above, but since the cam floor 43 for preventing the other side locking claw body 14 from being rotationally attached / detached is provided, By setting the numbering 41 to a predetermined number, it exhibits a locking action of unlocking.

[0015]

【Example】

 Next, an embodiment of the present invention will be described with reference to the accompanying drawings. In the figure, 100 is a bag, and this bag 100 has a box-shaped bag body 101 and a box-shaped lid body 101, which are hinge-connected to one side of the opening (the lower side of "Fig. 1"). It is a publicly known one that has been constructed.

The bag lid 102 is provided with a locking portion 103, as shown most clearly in FIG. 3, and the locking portion 103 is used by the lid locking device of the bag of the present invention as a bag body. The bag lid 102 is closed on the bag body 1 by pulling it toward the 101 side.

The locking portion 103 has a standing wall portion 103b projecting on the upper surface of the bag lid body 102 and having a locking claw portion 103a whose upper end bulges in the direction opposite to the opening of the bag lid body 102. Are configured.

In the illustrated example, the lid locking device of the bag of the present invention is provided at one place in the center of the upper surface of the bag body 101, but a pair may be provided at an appropriate interval, and especially the arrangement thereof. The installation position and the number of installations are not limited.

According to the present invention, one end of the operation lever 10 that covers the fixing substrate 20 is pivotally attached to a portion of the fixing substrate 20 that is fixed to the bag body 101 on the opening end side of the bag body 101. A base end portion of a hook plate 30 having a hook portion 31 that is locked to the locking portion 103 of the bag lid 102 at the tip is pivotally attached in the middle of the operation lever 10.

The fixing substrate 20 is made of synthetic resin or the like, has one side parallel to the open end of the bag body 101 and contacts the outer surface, and is fastened with the fixing screw 1 from the inside of the bag body 101. It is designed to be fixed. In the illustrated example, a standing wall portion 104 is erected near the open end of the bag body 101, and one end of the fixing substrate 20 is abutted against the standing wall portion 104 to be fixed, and the standing wall portion 104 is used as a stopper. There is.

The operation lever 10 is formed in a box shape with the bottom surface and the tip end surface (the left end surface in FIG. 3) omitted, and one end (more specifically, the tip ends of both side walls 16 and 16 described later) of the operation lever 10 is described above. A shaft 15 is pivotally attached to an opening end side portion of the bag body 101 of the fixing substrate 20.

The hook plate 30 has a hook portion 31 at the tip thereof, and side wall portions 32, 32 overlapping the outer surfaces of both side walls 16, 16 of the operating lever 10 are provided at both side portions of the hook plate 30. The side walls 32, 32 are pivotally attached to the side walls 16, 16 of the operating lever 10 by a shaft 33. It should be noted that one shaft 33 may be used to connect both side walls of the hook plate 30, but in the present embodiment, a locking mechanism 40, which will be described later, is provided below the hook plate 30. It is pivotally attached by two divided shafts 33, 33 (one is on the front side in FIG. 3) which penetrates only the side wall 32 of the hook plate 30 and both side walls 16 of the operating lever 10.

Although not shown in the drawing, a spring for urging the other end of the operation lever 10 upward is disposed between the fixing substrate 20 and the operation lever 10 so that the operation lever 10 A spring is provided between the hook plate 30 and the hook plate 30 so that the tip side of the hook plate 30 is biased upward with respect to the operation lever 10.

On the fixing substrate 20, a one-side locking claw body 21 having a locking hook portion 22 bent at the upper end toward the opening end side of the bag body 101 is provided in a protruding manner.

The above-mentioned one-side locking claw body 21 may be provided so as to stand up at an appropriate place, but in the present embodiment, the other side of the fixing substrate 2 (on the side opposite to the bag lid 102, 3) The right end), and a space for accommodating the locking mechanism 40 is secured between the one side locking claw 21 and the pivotally supporting portion of the operation lever 10.

Further, the operation lever 10 is provided with a window hole 11, and the locking and detaching lever 12 in which one end of the bag body 101 on the opening end side is pivotally attached to the operation lever 10 is housed in the window hole 11. The locking / demounting lever 12 is provided with a spring 13 whose other end is biased in the upward movement direction. Further, the lower surface of the locking / demounting lever 12 is a state in which the operating lever 10 is slid down. The other side locking claw body 14 to be locked to the one side locking claw body 21 is provided to project from a position closer to the opening end side of the bag body 101 than the one side locking claw body 21.

The engaging / disengaging lever 12 is configured with the other-side engaging claw body 14 into a substantially inverted L-shaped cross section, and its corners are pivoted to the operation lever 10 by the shaft 16 with the corners thereof facing the bag lid 102 side. I'm wearing it. The spring 13 is wound around the shaft 16, one end of which is elastically locked to the inner surface of the operating lever 10 and the other end of which is elastically locked to the inner surface of the attachment / detachment lever 12, and the other end side is biased in the elevation direction (upward in the figure). It is designed to be urged toward. A stopper projection 11a is provided at a proper position on the upper surface of the window hole 11 so that the locking and removing lever 12 cannot be lifted beyond a predetermined position.

The upper surface of the one-side locking claw body 21 is formed as an inclined surface or a curved surface in which the direction of the bag lid body 102 is lowered, and the lower surface of the other-side locking claw body 14 is raised in the direction opposite to the bag lid body 102. When the other side locking claw body 14 is pushed down on the one side locking claw body 21, both inclined surfaces or curved surfaces slide, and the other side locking claw body 14 or the engaging surface. The stop / attach lever 12 rotates against the urging force of the spring 13, and when the operation lever 10 is moved down to a predetermined position, the one side locking claw body 21 and the other side locking claw body 14 are naturally moved to each other. It is designed to be locked in.

When the operating lever 10 is pressed with a finger in the direction of arrow P1 in FIG. 3, the other side locking claw body 14 also rotates in the same direction to lock with the one side locking claw body 21. The operating lever 10 can be lifted up and down, and the lifting may be performed manually by the user. However, the spring provided between the fixing base plate 20 and the operating lever 10 described above is used for automatic lifting. It is advisable to do so.

In addition to the above configuration, the invention of “claim 2” is such that, on the lower surface side of the operation lever 10, the other end side locking claw body 14 is located at the opening end side position of the bag body 101, and on the peripheral surface. A plurality of number rings 41 displaying numbers are rotatably arranged so that the tops of the number rings 41 extend through the upper surface of the operating lever 10. A cam 42 is integrally attached to each number ring 41, and each cam 42 is attached. A cam floor 43 for restraining the rotational attachment / detachment of the other side engaging claw 14 at a position pushed down by the cam 42 is provided below.

The number ring 41, the cam 42, and the cam floor 43 essentially constitute a lock mechanism 40. The number rings 41, 41, 41 are housed in the box body 44 while being pivotally supported by a horizontal shaft 45. The cam 42 of the numbering ring 41 is designed to have a small diameter portion at one location, and a certain number of the numbering ring 41 is located at the rotation position at the top so that this small diameter portion is located at the lower end.

The cam floor 43 has one end on the side of the bag lid 102 pivotally attached to the box body 44, and a window through which the number rings 41, 41, 41 extend downward is provided in the middle of the cam floor 43. The free end side may be biased upward.) Is located near the side of the other side locking claw 14. In the illustrated example, the other side engaging claw 14 is provided with a protrusion 14a that abuts against the free end of the cam floor 43.

Therefore, when the rotational position of each number ring 41 is set so that the number rings 41, 41, 41 are aligned with a certain number and all the small diameter parts of each cam 42 are aligned on the lower end side, this cam floor 43 The free end side of is movable upward, and is in the state shown in the solid line in FIG. 3, and there is a space for the other side locking claw body 14 to rotate in the direction of the arrow P1. If the number does not match the set number, the free end side of the cam follower 43 is pushed down as shown by the broken line in the figure, and serves as a stopper to prevent the other side locking pawl 14 from rotating. is there.

[0034]

[Effect of device]

 Since the present invention is as described above, the operation for locking the bag lid body 102 is the same as the conventional operation, but the one side locking claw body 21 and the other side locking claw body 14 are mutually locked. As a result, the bag lid body 102 can be securely locked, and a bag lid locking device that can be prevented from being unintentionally disengaged by an impact or the like can be provided.

In order to remove the locking of the bag lid 102, unlike the conventional operation method, a bag lid locking tool with good operability that can be released only by pushing the operation lever 10. It can be provided.

Further, in the invention of "Claim 2", since the mechanism is provided, the lid is not disengaged even when a large impact is applied, and it is possible to prevent others from opening the lid without permission. It is possible to provide a bag lid locking device.

[Brief description of drawings]

FIG. 1 is a front view of a bag using the lid locking device of the present invention.

FIG. 2 is a plan view of an essential part of a lid locking device of the bag according to the present invention.

FIG. 3 is a sectional view taken along the line AA of “FIG. 2”.

FIG. 4 is a vertical sectional view for explaining the operation.

FIG. 5 is a front view of a main part of a conventional example.

[Explanation of symbols]

 10 Operation Lever 11 Window Hole 12 Locking / Detaching Lever 13 Spring 14 Other Side Locking Claw 20 Fixing Substrate 21 One Side Locking Claw 22 Locking Hook Part 30 Hook Plate 31 Hook Part 41 Number Ring 42 Cam 43 Cam Floor 101 Bag Main Body 102 Bag Cover 103 Locking Part

Claims (2)

[Scope of utility model registration request] 1. An operating lever (10) which covers a fixing substrate (20) fixed to a bag body (101), at a portion of an opening end side of the bag body (101) on the fixing substrate (20).
A hook plate (30) having a hook portion (31) that is pivotally attached to one end of the operation lever (10) and that is hooked at the tip of the operation lever (10) to the locking portion (103) of the bag lid body (102). The base end of the bag is pivotally attached, and on the fixing substrate (20), the bag body (10
Lock hook part (2) bent toward the open end side of 1)
2) is provided on one side with a locking claw body (21), and the operation lever (10) is provided with a window hole (11). Inside the window hole (11), a bag body ( 101) accommodates a lock / release lever (12) pivotally attached to the operation lever (10) at one end on the open end side, and the lock / release lever (12) has the other end urged in the elevation direction. A spring (13) is provided, and further, the lower surface of the locking and detaching lever (12) has a bag body rather than the one side locking claw body (21) in a state where the operating lever (10) is tilted. A lid locking tool for a bag, which is provided at a position closer to the opening end side of (101), with the other side locking claw body (14) protruding from the one side locking claw body (21). 2. An operating lever (10) which covers the fixing substrate (20) fixed to the bag body (101) at the opening end side portion of the bag body (101).
A hook plate (30) having a hook portion (31) that is pivotally attached to one end of the operation lever (10) and that is hooked at the tip of the operation lever (10) to the locking portion (103) of the bag lid body (102). The base end of the bag is pivotally attached, and on the fixing substrate (20), the bag body (10
Lock hook part (2) bent toward the open end side of 1)
The one side locking claw body (21) having 2) is projectingly provided, and
The operation lever (10) is provided with a window hole (11), and inside the window hole (11), one end of the bag body (101) on the open end side is pivotally attached to the operation lever (10) for engagement and disengagement. Lever (1
2) is housed, and the locking / releasing lever (12) is provided with a spring (13) whose other end side is biased in the elevation direction, and the lower surface of the locking / releasing lever (12) is The one-side locking claw body (21) with the operation lever (10) lying down
The other side locking claw body (1) that locks with the one side locking claw body (21) at a position closer to the opening end side of the bag body (101) than
4) projectingly, and on the lower surface side of the operation lever (10), a number is displayed on the peripheral surface at a position closer to the opening end of the bag body (101) than the other side locking claw body (14). Multiple numbering (4
1) is rotatably disposed so that the top portion thereof penetrates the upper surface side of the operation lever (10), and each number ring (41) is provided.
The cams (42) (are integrally attached to the respective ones, and the rotation and detachment of the other side locking claw body (14) is suppressed below the respective cams (42) at a position where the cams (42) are pressed down. A bag lid locking device provided with a cam floor (43) for