JP2005000735A - Trigger lever locking mechanism for discharge operation of content, and trigger lever and stopper therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a stopper for locking the revolving operation of a trigger lever from moving carelessly from a locking mode position and an unlocking mode position. <P>SOLUTION: A stopper attaching part 2a, a rail-like projection 2b, which smoothly guides the up and down movement of the stopper 1 and prevents the fall-off of the stopper, an upper recessed part 2e for holding the stopper 1 to the locking mode position and a lower recessed part 2f for holding the stopper to the unlocking mode position, are formed to the trigger lever 2. The vertically long protruded part 1b locked with the attaching part 2a and the protruded parts 1c locked with the upper recessed part 2e and the lower recessed part 2f are formed to the stopper 1. The vertically long protruded part 1b of the stopper 1 goes over the rail-like projection 2b to enter the attaching part 2a to attach the stopper 1 to the trigger lever 2. Since the protruded parts 1c are locked with the upper recessed part 2e and the lower recessed part 2f in a locking mode and an unlocking mode, the careless movement of the stopper 1 from the respective mode positions is prevented. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a trigger lever lock mechanism for contents discharge operation, and a trigger lever and a stopper therefor, and more particularly, from each mode position so that the stopper is securely locked at its lock mode position and a predetermined unlock mode position. This invention relates to a trigger lever lock mechanism, a trigger lever and a stopper for the trigger lever locking mechanism that prevents inadvertent movement of the actuator.
[0002]
The trigger lever locking mechanism, trigger lever and stopper of the present invention are:
-Aerosol system that releases the contents to the external space by the action of a compressed medium such as compressed gas that is filled with the contents inside the packaging container,
・ Accumulation system that once takes the contents inside the packaging container into the storage space by the action of the inlet valve on the inlet side and the outlet valve on the outlet side of the storage space, and then releases it to the external space,
It can be used for each product.
[0003]
[Prior art]
A trigger lever lock mechanism is disclosed in which a rotation operation lock stopper attached to a trigger lever is set to a lock mode position by sliding upward from a lock release mode position.
[0004]
The trigger lever and stopper of the trigger lever locking mechanism
・ Falling prevention means to prevent the stopper from coming off the trigger lever,
-Lock mode holding means for preventing the stopper from inadvertently shifting from the lock mode to the unlock mode,
It has.
[0005]
However, there is no means for preventing the transition from the unlock mode to the lock mode from being performed inadvertently or allowing the user to experience the start of the transition (see, for example, Patent Document 1).
[0006]
[Patent Document 1]
Japanese Patent Laid-Open No. 2000-15150
[Problems to be solved by the invention]
Thus, the conventional malfunction prevention mechanism is not provided with means for preventing inadvertent transition from the unlocking mode of the stopper to the locking mode. For example, the unlocking mode (trigger lever release operation is possible). If any upward force is applied to the stopper at the start of the trigger lever operation, etc., the stopper will move up against the user's intention and set to lock mode (the trigger lever cannot be released) There is a problem that the contents are not released.
[0008]
Further, since the user cannot feel the start of the transition from the unlocking mode of the stopper to the locking mode, there is a problem that the user cannot surely recognize this mode switching.
[0009]
Accordingly, an object of the present invention is to prevent the stopper from being inadvertently moved by reliably locking the stopper to the trigger lever at the lock mode position and the unlock mode position.
[0010]
It is another object of the present invention to provide an easy-to-use trigger lever lock mechanism so that the user can recognize the start of transition from each mode.
[0011]
[Means for Solving the Problems]
The present invention solves this problem as follows.
(1) In the trigger lever locking mechanism including a trigger lever for content discharge operation (for example, trigger lever 2 described later) and a stopper for locking the rotation of the trigger lever (for example, stopper 1 described later), the trigger A guide holding portion (for example, a stopper mounting portion 2a, a rail-shaped protrusion 2b, a step portion 2d, which will be described later) for causing the lever to slide the stopper between its lock mode position and a predetermined unlock mode position; A first locking portion (for example, an upper concave portion 2e described later) for holding the stopper at the lock mode position and preventing the stopper from inadvertently moving toward the unlock mode position. And holding the stopper in the unlock mode position, from which the stopper moves toward the lock mode position. A second locking portion (for example, a lower concave portion 2f to be described later) for preventing the movement to be prepared, and the stopper is provided with the guide holding portion to be guided to perform the sliding operation. (E.g., a vertically long convex portion 1b, a locking convex portion 1c described later) and the first locking portion when moved to the lock mode position and moved to the unlock mode position It sometimes includes a locked portion (for example, a locking convex portion 1c described later) held by the second locking portion.
(2) In the above (1), as the guide holding portion, on the side surface of the trigger lever, a rail-like portion (for example, a rail-like projection 2b described later) extending in the direction of the sliding operation, and the direction following the same A concave portion (for example, a stopper mounting portion 2a to be described later) is formed, and as the guided portion, a convex portion corresponding to the concave portion so as to straddle the rail-like portion on the opposed inner peripheral surface of the opening portion of the stopper. (For example, a vertically long convex portion 1b and a locking convex portion 1c described later are formed).
(3) A trigger lever stopper (for example, a stopper 1 to be described later) having a function of setting a trigger lever (for example, a trigger lever 2 to be described later) to a locked state in which the rotation operation cannot be performed, Provided on the guide holding portion of the lever (for example, a stopper mounting portion 2a, a rail-like protrusion 2b, and a step portion 2d, which will be described later), to perform its own sliding operation between a lock mode position and a predetermined unlock mode position Guided portion (for example, a vertically long convex portion 1b, a locking convex portion 1c, which will be described later) and a first locking portion (for example, an upper concave portion 2e, which will be described later) when moved to the lock mode position. When the trigger lever is moved to the unlock mode position, and when the trigger lever is moved to the unlock mode position, The locking portion (for example, a locking convex portion described later) is held by the locking portion (for example, a lower concave portion 2f described later) and suppresses inadvertent movement from there to the lock mode position. 1c).
(4) In the above (3), the guide holding portion is formed on a side surface of the trigger lever and extends in the direction of the sliding operation (for example, a rail-shaped protrusion 2b described later), and the following. It is a concave portion (for example, a stopper mounting portion 2a described later) in the direction, and as the guided portion, a convex corresponding to the concave portion in a form straddling the rail-shaped portion on the inner surface facing the opening portion of the stopper. (For example, a vertically long convex portion 1b and a locking convex portion 1c described later) are formed.
(5) A stopper (for example, a later-described stopper lever 2) having a function of sliding a stopper (for example, a later-described stopper 1) for setting a locked state in which the rotation operation cannot be performed is placed on the stopper. A guide holding part (for example, a stopper mounting part 2a, a rail-like protrusion 2b, a step part 2c, which will be described later) and a stopper for locking the stopper to the sliding mode between the lock mode position and a predetermined unlock mode position. A first locking portion (for example, an upper concave portion 2e described later) for holding the mode position and preventing the stopper from inadvertently moving toward the unlocking mode position, and the stopper The stopper is held in the unlocking mode position, and the stopper is prevented from inadvertently moving from there to the locking mode position. Second holding portion for and a (e.g. below the lower recess 2f).
[0012]
In the present invention, as in the above (1), (3), (5), the locked portion of the stopper is in the lock mode position and the unlock mode position, respectively, The stopper is engaged with the two engaging portions to prevent inadvertent movement of the stopper from each mode position.
[0013]
Further, a change in feeling that the held state of the locked portion of the stopper and the first locking portion of the trigger lever is released, and the holding of the locked portion of the stopper and the second locking portion of the trigger lever are held. The user is notified of the start of the transition from the lock mode to the unlock mode and the start of the transition from the lock release mode to the lock mode, respectively, according to a change in the sense of releasing the state.
[0014]
Further, the guided portion of the stopper is provided in the guide holding portion of the trigger lever, and the stopper smoothly slides between the lock mode position and the lock release mode position.
[0015]
As described in (2) and (4) above, the stopper is prevented from falling off the trigger lever by, for example, engaging the convex portion of the stopper with the concave portion of the trigger lever.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to FIGS. For the convenience of explanation, a pressure accumulation type product will be described.
[0017]
FIG. 1 is an explanatory diagram of a trigger lever and a stopper for setting a lock mode for the trigger lever, FIG. 2 shows a stopper lock release mode (operable mode), and FIG. 3 shows a stopper lock mode (non-operation mode).
[0018]
In these figures, the vertical trigger lever outlet side is “up”, the opposite side is “down”, the horizontal trigger lever outlet side is “front”, and the opposite side is “ After.
[0019]
1 to 3,
1 is a stopper for setting a trigger lever 2 to be described later in a lock mode, 1a is a U-shaped gripping portion having an open front surface, an upper surface and a lower surface, and 1b is formed at a front end portion of each opposed inner peripheral surface of the gripping portion. A vertically long convex portion that engages with a stopper mounting portion 2a to be described later, 1c is a pair of locking convex portions formed on the upper end side of the vertical long convex portion, 1d is a locking action portion, and 1e is a lock mode. A back surface portion that comes into contact with an arc-shaped step portion 5a of a fixed cylinder 5 to be described later;
2 is a trigger lever, 2a is a vertically long concave stopper mounting portion (having an upper ceiling surface and a lower bottom surface) provided on the outer peripheral surface side of each side of the trigger lever, and 2b is a vertical movement of the stopper 1 with respect to the trigger lever. The rail-shaped protrusion 2c for preventing the stopper from dropping backward, 2c is a tapered surface formed at the rear portion of the rail-shaped protrusion, and 2d is a front portion of the rail-shaped protrusion. The stepped portion 2e is engaged with the convex portion 1c of the stopper 1 so as to stably hold the lock mode, and 2f is engaged with the convex portion 1c to unlock the stopper. 2g is a flat surface between the upper recess 2e and the lower recess 2f, 2h is a pivot shaft of the trigger lever, and 2i presses a movable cylinder 4 described later. The ear portion of the order,
3 is a cover body which accommodates a movable cylinder 4 and a fixed cylinder 5 which will be described later, and which allows the trigger lever 2 to be pivoted.
4 is a movable cylinder, 4a is an outer peripheral surface of the movable cylinder, 4b is a protrusion that engages with the inner surface of the ear portion 2i of the trigger lever 2, 4c is a discharge port,
5 is a fixed cylinder for guiding the movable cylinder 4, 5a is an arc-shaped step portion of the fixed cylinder,
6 is a lid attached to the container body 7 described later,
7 is the container body,
Respectively.
[0020]
The main feature of the present invention is that the convex portion 1c provided on the stopper 1 is engaged with the upper concave portion 2e and the lower concave portion 2f of the trigger lever 2 in the lock mode and the unlock mode, respectively. This is to prevent inadvertent movement of the stopper 1.
[0021]
In addition, when the user positively slides the stopper 1 up and down, the user feels that the convex portion 1c of the stopper rides on the flat surface 2g of the trigger lever 2 to change from the unlock mode to the lock mode. The transition start and the transition start from the lock mode to the unlock mode can be recognized.
[0022]
Here, the height of the trigger lever 2 with respect to the stopper mounting portion 2a of the step portion 2d is 0.4 mm, the depth of the upper concave portion 2e and the lower concave portion 2f is 0.2 mm, respectively, and the vertically long convex portion 1b of the stopper 1 The height with respect to the inner peripheral surface is 0.3 mm, and the height of the convex portion 1 c with respect to the vertically long convex portion 1 b is 0.3 mm.
[0023]
As shown in FIG.
A U-shaped gripping portion 1a attached to each of the stopper mounting portions 2a of the trigger lever 2,
A locking action portion 1d for contacting the fixed cylinder 5 to lock the movement of the movable cylinder 4,
Etc.
[0024]
A pair of vertically long convex portions 1b that engage with the stopper mounting portion 2a so as to straddle the rail-shaped protrusion 2b of the trigger lever 2 are formed on the inner edge portion of the grip portion 1a so as to face each other. A convex portion 1c that engages with the upper concave portion 2e or the lower concave portion 2f of the trigger lever 2 is formed at the upper end portion of the shape portion.
[0025]
The upper surface of the lock action portion 1d is a curved surface portion 1f corresponding to the curved surface shape of the outer peripheral surface of the movable cylinder 4, and the lock mode in FIG. 3 (that is, the convex portion 1c is engaged with the upper concave portion 2e of the trigger lever 2). In the state), the back surface portion 1e contacts the surface portion of the arc-shaped step portion 5a of the fixed cylinder 5. However, the back portion 1e in the lock mode may be slightly separated from the arc-shaped step portion 5a.
[0026]
The stopper mounting portion 2a of the trigger lever 2 is
An upper concave portion 2e and a lower concave portion 2f that engage with the convex portion 1c of the stopper 1 to maintain the lock mode and the unlock mode, respectively.
A pair of rail-like protrusions 2b that engage with the vertically long protruding portion 1b of the stopper 1 to prevent the stopper from falling off and guide its vertical movement;
Etc. are formed.
[0027]
To attach the stopper 1 to the trigger lever 2,
-Advance the stopper 1 from the rear side of the trigger lever 2 so that the gripping part 1a sandwiches both outer peripheral surfaces of the stopper,
The protrusion 1c and the vertically long protrusion 1b are pushed in until they get over the tapered surface 2c of the rail-like protrusion 2b and enter the stopper mounting portion 2a.
[0028]
At the time of overcoming, for example, the gripping portion 1a of the stopper made of synthetic resin tends to spread outward in a form that resists its own elasticity.
[0029]
Since the rear side of the rail-like protrusion 2b of the trigger lever 2 is a tapered surface 2c, the convex part 1c and the vertically long convex part 1b of the stopper 1 are easy to ride on. Further, since the stopper 1 once entering the stopper mounting portion 2a is locked to the step portion 2d, the stopper 1 does not get over the step portion and come off the trigger lever 2.
[0030]
And the convex part 1c and the vertically long convex part 1b of the stopper 1 are guided by the stopper attaching part 2a of the trigger lever 2, the step part 2d of the rail-like protrusion 2b, etc., and the said stopper moves up and down smoothly.
[0031]
As shown in FIG. 2, in the unlock mode, the convex portion 1 c of the stopper 1 enters and engages with the lower concave portion 2 f of the trigger lever 2, so that, for example, when the user operates the trigger lever 2, Even if 1d is inadvertently pushed upward, the stopper 1 does not move up with such a force, and the unlocking mode is reliably maintained. Here, the lower end surface of the grip portion 1a of the stopper 1 is in contact with the lower bottom surface of the stopper mounting portion 2a.
[0032]
At this time, since the lock operating portion 1d is separated from the fixed cylinder 5, when the trigger lever 2 is pulled as shown by an arrow, the trigger lever can be rotated counterclockwise about the rotation shaft 2h. The portion 2i presses the protruding portion 4b of the movable cylinder 4, and the contents are discharged from the discharge port 4c to the external space by a content discharge mechanism (not shown).
[0033]
In order to set to the lock mode of FIG. 3, for example, a thumb is placed on the lower surface of the lock action portion 1 d of the stopper 1 and moved upward.
[0034]
At this time, the gripping portion 1a of the stopper 1 slightly opens outward in the form of resisting its own elasticity, and the convex portion 1c rides on the flat surface 2g from the lower concave portion 2f of the trigger lever 2, so that the user can It is possible to recognize the start of the transition from the unlock mode to the lock mode with a sense (change) associated with the ride.
[0035]
As described above, the stopper 1 is not detached from the trigger lever 2 due to the engaging action of the vertically long convex portion 1b and the convex portion 1c of the stopper 1 and the step portion 2d of the trigger lever 2, and is smoothly raised. Move.
[0036]
As shown in FIG. 3, when the convex portion 1 c enters the upper concave portion 2 e of the trigger lever 2 (by moving the stopper 1 upward), the back surface portion 1 e of the locking action portion 1 d is the arc-shaped step portion 5 a of the fixed cylinder 5. The lock mode is entered by contacting (or facing away from) a little.
[0037]
At this time, the user can recognize that the lock mode has been set as if the convex portion 1 c of the stopper 1 enters the upper concave portion 2 e of the trigger lever 2.
[0038]
Due to the engagement between the convex portion 1c and the upper concave portion 2e, the stopper 1 is reliably maintained in the lock mode without being moved down by an unintentional force. Here, the upper end surface of the grip portion 1a of the stopper 1 is in contact with the upper ceiling surface of the stopper mounting portion 2a.
[0039]
In the lock mode, as described above, the curved surface portion 1f of the lock action portion 1d corresponds to the outer peripheral surface 4a of the movable cylinder 4, and the entire back surface portion 1e is locked to the arc-shaped step portion 5a of the fixed cylinder 5. The trigger lever is securely locked.
[0040]
In order to shift from the lock mode to the unlock mode, for example, the stopper 1 may be moved downward until the convex portion 1c enters the lower concave portion 2f of the trigger lever 2 by grasping the outer peripheral surface of the grip portion 1a of the stopper 1.
[0041]
Similarly to the transition from the unlock mode to the lock mode, the stopper 1 is triggered by the engagement of the vertically long convex portion 1b of the stopper 1 and the convex portion 1c of the stopper 1 with the step 2d of the trigger lever 2. It does not deviate from 2 and moves down smoothly.
[0042]
And the user
・ Sensation (change) of the convex portion 1c of the stopper 1 riding on the flat surface 2g,
・ By the feeling (change) of the convex portion 1c of the stopper 1 entering the lower concave portion 2f,
It can be recognized that the transition from the lock mode to the lock release mode is started and that the lock release mode is set.
[0043]
The locking convex portion 1c of the stopper 1 may be a concave portion, and the convex portion corresponding to the concave portion may be formed in place of the upper concave portion 2e and the lower concave portion 2f of the trigger lever 2. Alternatively, the rail-shaped protrusion 2b may be omitted, and a stopper mounting portion including only the flat surface 2g, the upper concave portion 2e, the lower concave portion 2f, etc. may be formed on the side surface of the trigger lever 2.
[0044]
Products to which the present invention is applied include foods such as seasonings, hair dyes, hair restorers, depigmenting agents, cosmetics, shaving foams, hair styling foams, pharmaceuticals, topical drugs, quasi drugs, contact lens products, toothpaste , Droplets (vitamins, etc.), paints, gardening agents, insecticides, cleaners, deodorants, lubricants, cleaning agents, cleaning agents, antiperspirants, repellents (insecticides), laundry glue, etc. There are various uses.
[0045]
The contents of the container body of the present invention include various properties such as liquid, paste, gel, foam, and powder, such as dyes, decolorizers, alkali agents, metal salt powders, inorganic powders, Resin powder is used. For example, paraphenylenediamine, ammonia, hydrogen peroxide, talc, kaolin, aluminum hydroxychloride (aluminum salt), barium sulfate, cellulose, and mixtures thereof. In addition, stabilizers, pH adjusting agents, ultraviolet absorbers, oily raw materials, surfactants, humectants, polymer compounds, antioxidants, sequestering agents, and the like are also used.
[0046]
【The invention's effect】
In the present invention, as described above, the locked portion of the stopper is locked to the first locking portion and the second locking portion of the trigger lever at the lock mode position and the lock release mode position, respectively. It is possible to prevent inadvertent movement of the stopper from the mode position.
[0047]
Further, a change in feeling that the held state of the locked portion of the stopper and the first locking portion of the trigger lever is released, and the holding of the locked portion of the stopper and the second locking portion of the trigger lever are held. The user can recognize the start of the transition from the lock mode to the unlock mode and the start of the transition from the lock release mode to the lock mode according to the change in the sense of releasing the state.
[0048]
Furthermore, since the guided portion of the stopper is provided in the guide holding portion of the trigger lever, the stopper can be smoothly slid.
[0049]
Further, since the convex portion of the stopper is engaged with the concave portion of the trigger lever, for example, it is possible to prevent the stopper from falling off the trigger lever.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram showing a trigger lever and a stopper for setting a lock mode for the trigger lever according to the present invention.
FIG. 2 is an explanatory diagram showing a stopper unlocking mode (operable mode) according to the present invention.
FIG. 3 is an explanatory diagram showing a stopper lock mode (non-operational mode) according to the present invention.
[Explanation of symbols]
1: Stopper 1a: U-shaped gripping portion 1b: Long convex portion 1c: Locking convex portion 1d: Locking portion 1e: Back surface portion 1f: Curved portion 2: Trigger lever 2a: Stopper mounting portion 2b: Rail Protrusion 2c: taper surface 2d: step 2e: upper recess 2f: lower recess 2g: flat surface 2h: rotating shaft 2i: ear 3: cover body 4: movable cylinder 4a: outer peripheral surface 4b: protrusion 4c: discharge port 5: fixed cylinder 5a: arc-shaped step 6: lid 7: container body

Claims (5)

In a trigger lever locking mechanism comprising a trigger lever for content discharge operation and a stopper for locking the rotation of the trigger lever,
The trigger lever is
A guide holder for sliding the stopper between its lock mode position and a predetermined unlock mode position;
A first locking portion for holding the stopper in the lock mode position and preventing the stopper from inadvertently moving toward the unlock mode position;
A second locking portion for holding the stopper in the unlocking mode position and preventing the stopper from inadvertently moving from the stopper toward the locking mode position;
The stopper is
A guided portion provided in the guide holding portion for performing the sliding operation;
A locked portion that is held by the first locking portion when moved to the lock mode position and held by the second locking portion when moved to the unlock mode position. The
A trigger lever locking mechanism for contents discharge operation. As the guide holding portion, on the side surface of the trigger lever, a rail-like portion extending in the direction of the sliding operation and a concave portion in the direction following the rail-like portion are formed.
As the guided portion, a convex portion corresponding to the concave portion is formed on the opposed inner peripheral surface of the opening portion of the stopper so as to straddle the rail-shaped portion.
The trigger lever locking mechanism according to claim 1. In the trigger lever stopper with the function to set the trigger lever for content release operation to the locked state where it can not be rotated,
A guided portion provided in a guide holding portion of the trigger lever for performing its own sliding operation between a lock mode position and a predetermined unlock mode position;
When moved to the lock mode position, the trigger lever is held by the first locking portion to prevent inadvertent movement from the trigger lever toward the unlock mode position, and the unlock mode position A second locking portion of the trigger lever, and a locked portion for preventing inadvertent movement from the trigger lever toward the lock mode position.
This is a trigger lever stopper. The guide holding portion is a rail-shaped portion formed on a side surface of the trigger lever and extending in the direction of the sliding operation, and a concave portion in the direction following the rail-shaped portion.
As the guided portion, a convex portion corresponding to the concave portion is formed on the opposed inner peripheral surface of the opening portion of the stopper so as to straddle the rail-shaped portion.
The stopper for a trigger lever according to claim 3. In the trigger lever for content discharge operation with the function of sliding the stopper for setting the locked state where rotation operation is not possible,
A guide holder for sliding the stopper between its lock mode position and a predetermined unlock mode position;
A first locking portion for holding the stopper in the lock mode position and preventing the stopper from being inadvertently moved toward the unlock mode position;
A second locking portion for holding the stopper in the unlocking mode position and preventing the stopper from inadvertently moving toward the locking mode position therefrom;
A trigger lever for content discharge operation characterized by the above.

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