JP6288775B2 - Dispenser - Google Patents

Description

  The present invention relates to a dispenser, and more particularly to a dispenser for mounting on the mouth and neck of a container body.

This type of dispenser has a dispenser body that is formed so that the nozzle head can be raised and lowered with respect to a fixed portion that can be attached to the mouth and neck of the container body, and a lever mechanism for operating the nozzle head is provided. One is known (Patent Document 1).
In this lever mechanism, a pair of support plates are erected from both sides of the upper portion of the fixed portion, and the operation plate protrudes from the upper ends of the support plates so as to swing upward from the nozzle head. The nozzle head can be pushed down at the lower end of the pressing piece that hangs down.

JP2011-230842

  The ejector disclosed in Patent Document 1 uses a single lever so that the nozzle head can be pushed down with a small force by the boosting action of the lever.

  However, there is a need for a dispenser that can be operated more easily for users with weak hand strength, such as sick and elderly people.

  An object of the present invention is to provide a discharge device that uses a two-stage lever to synergistically increase the lever's boosting action and can push down the nozzle head with less force.

The first means is provided with a fixing part 4 that can be attached to the mouth and neck of the container body, and a discharger body 2 having a nozzle head 16 that can be raised and lowered with respect to the fixing part 4;
The base body 22 is provided on the outer side of the discharger body 2, and the first lever 52 is moved from the first hinge 52 located at one place in the circumferential direction of the base body 22 to another place in the circumferential direction of the base body 22. Lever members 20 projecting the second lever body 60 from the second hinge 62 located at the upper side of the nozzle head 16 ;
Comprising
The first lever body 50 has a pressed portion 56 on the distal end side, and a pressing piece 58 that can come into contact with the upper surface of the nozzle head 16, closer to the proximal end than the pressed portion 56.
The second lever body 60 has a finger contact portion 68 on the distal end side, and a pressing portion 76 that can come into contact with the upper side of the pressed portion 56 closer to the proximal end than the finger contact portion 68.

  As shown in FIG. 1, this means proposes a discharger using a two-stage lever composed of a first lever body 50 and a second lever body 60. The force applied to the finger pad 68 is increased in two stages by the boosting action of each lever body and transmitted to the nozzle head (see the forces Fa, Fb, and Fc shown in FIG. 5). Due to the synergistic effect of the lever's boosting action, the pressing force of the finger pad 68 can be reduced. Therefore, it is convenient for users with weak hand strength. In this means, the “base end” of each lever body means an end portion connected to the first hinge or the second hinge, and the “front end” means an end portion opposite to the base end.

The second means includes the first means, and the first hinge 52 and the second hinge 62 are located on both sides of the discharger body 2 when viewed from above,
The first lever body 50 has a pressing piece 58 suspended from the lower surface of the intermediate portion of the first arm 54 protruding from the first hinge 52, and a portion near the tip of the first arm 54 serves as a pressed portion 56. .

  As shown in FIG. 2, this means configures the lever member 20 so that the first hinge 52 and the second hinge 62 are located on both sides of the discharger body 2 when viewed from above. Thus, for example, as shown in FIG. 4, the lever-equipped member 20 is formed in a state in which the first lever body 50 and the second lever body 60 are unfolded, and then each lever body is sequentially folded and assembled. As a result, assembly work is easy.

The third means includes the second means, and the lower end of the pressing piece 58 is brought into contact with the upper surface of the nozzle head 16 before the finger contact portion 68 is pressed down, and the first arm 54 is provided so as to protrude upward and inward from the first hinge 52;
The height of the first hinge 52 was made equal to the height of the lower end portion of the pressing piece 58 that is in contact with the upper surface of the nozzle head 16.

  In this means, as shown in FIG. 1, the height of the first hinge 52 is made equal to the height of the lower end portion of the pressing piece 58 in contact with the upper surface of the nozzle head 16. According to this configuration, when the first lever body 60 is pushed down by the second lever body 60, as shown in FIG. 5A, the lower end of the pressing piece 58 causes the nozzle head 16 to face the upper surface thereof. Weld in a perpendicular direction. As a result, all of the pressure contact force acts as a pressing force of the nozzle head 16, and efficient pressing is possible. More specifically, it will be described in Examples.

  The fourth means includes the second means or the third means, and is an extension line E in the protruding direction of the first arm 54 from the first hinge 52 in a state before the finger contact portion 68 is pushed down. The second hinge 62 is positioned on the upper side.

  In this means, as shown in FIG. 1, the second hinge 62 is positioned so as to be on the extension line E in the protruding direction of the first arm 54 from the first hinge 52. Thereby, when the finger contact part 68 of the second lever body 60 is pushed down, as shown in FIG. 5A, the lower end of the pressing part 76 makes the first arm 54 perpendicular to the upper surface thereof. Press contact. Since all of the pressing force acts as the rotational force of the first arm 54, the first arm can be efficiently rotated. More specifically, it will be described in Examples.

The fifth means includes any one of the first means to the fourth means, and the base body 22 is connected to the fixing portion 4 of the discharger body 2 via the connection means 24. And a base cylinder portion 36 surrounding the discharger body 2,
While opening a passage window 42 for the discharged material on one side of the base tube portion 36,
A second hinge 62 is formed on the upper side of the passing window 42 in the base cylinder portion 36, and a first hinge 52 is formed on the diametrically opposite side of the base cylinder portion 36 with respect to the second hinge 62.

  In this means, as shown in FIG. 1, the base body 22 of the lever-equipped member 20 is connected to the discharger body 2 and has a base cylinder part 36 surrounding the discharger body 2. The base cylinder portion 36 serves as a cover cylinder that protects the discharger body and a support that supports each lever body via the first hinge 52 and the second hinge 62.

The sixth means includes the fifth means, and the second lever body 60 is placed between the upper portion of the second lever body 60 and the base tube portion 36 in a state before the finger pad 68 is pushed down. A stopper S to be locked is provided, and the stopper S is forcibly released by pushing down the finger contact portion 68.

  In this means, it is proposed to provide a stopper S for preventing the lever from moving unexpectedly by carrying it in a state where it is not used, etc. or contacting the other object (see FIG. 6). ). By providing the stopper S between the second lever body 60 and the base tube portion 36, a more appropriate braking force can be obtained.

According to the invention relating to the first means, since the second lever 60 uses the first lever 50 and the first lever 50 pushes down the nozzle head 16, the two-stage lever is used. Due to the synergistic effect of the action, the nozzle head can be pushed down with a slight force.
According to the invention relating to the second means, since the first hinge 52 and the second hinge 62 are located on both sides of the discharger body 2 when viewed from above, the first lever body 50 and the second lever body. Assembling can be easily performed by folding 60 from a state in which it is unfolded in double doors.
According to the third aspect of the invention, since the height of the first hinge 52 is equal to the height of the lower end portion of the pressing piece 58 that contacts the upper surface of the nozzle head 16, the nozzle head 16 by the pressing piece 58 is used. Can be effectively pushed down.
According to the fourth aspect of the invention, the second hinge 62 is positioned on the extension line E in the protruding direction of the first arm 54 from the first hinge 52 before the finger rest portion 68 is pushed down. Since it did in this way, the 1st arm 54 can be rotated effectively.
According to the fifth aspect of the invention, since the first lever body 50 and the second lever body 60 are attached to the base tube portion 36 surrounding the discharge device body 2, the base tube portion 36 protects the discharge device body. The two functions of the cover and the support base that supports the two lever bodies can be combined.
According to the sixth aspect of the invention, the stopper S that locks the second lever body 60 between the upper portion of the second lever body 60 and the base cylinder portion 36 in a state before the finger pad 68 is pushed down. Therefore, the inconvenience that the second lever body 60 and the first lever body 50 move unexpectedly can be reduced.

It is a longitudinal cross-sectional view of the discharger which concerns on 1st Embodiment of this invention. It is a top view of the discharge device of FIG. It is a front view of the discharger of FIG. It is a longitudinal cross-sectional view of the expansion | deployment state of the main components of the discharge device of FIG. It is action explanatory drawing of the discharge device of FIG. It is a longitudinal cross-sectional view of the discharger which concerns on 2nd Embodiment of this invention. It is a longitudinal cross-sectional view of the expansion | deployment state of the main components of the discharge device of FIG. It is action | operation explanatory drawing of the discharge device of FIG.

  1 to 5 show a dispenser according to a first embodiment of the present invention. This discharger is formed by the discharger body 2 and the lever-equipped member 20. Each of these members can be formed of, for example, a synthetic resin or a metal.

  The discharger body 2 has a conventionally known structure, and includes a fixing portion 4 that can be fixed to the mouth-and-neck portion 102 of the container body 100, and an operation member 14 that can be raised and lowered relative to the fixing portion 4. The discharger body 2 can be a spray type (including an aerosol discharger) or a pump type discharger. Here, a pump type will be described as an example.

  The fixing portion 4 includes a mounting member 6 and a cylinder 8.

  The mounting member 6 protrudes inward from the upper end of the mounting cylinder portion 6a that can be fitted to the outer surface of the mouth and neck portion 102 of the container body 100, and the inner peripheral portion of the flange-shaped top wall portion 6b. The guide tube portion 6c stands up from

  The cylinder 8 is fixed to the upper part of the mounting member 6 and is suspended from the fixing portion. A first check valve (not shown) is provided in the lower portion of the cylinder 8.

  The operating member 14 has a cylindrical piston (not shown) fitted in the cylinder 8 so as to be movable up and down, and is provided with a nozzle head 16 that moves up and down in conjunction with the cylindrical piston. The nozzle head 16 projects the nozzle 18 forward. In this specification, for the sake of convenience, the direction appearing on the left side of FIG. 1 is referred to as “front”, and the direction appearing on the right side of FIG. The operating member 14 is biased upward by elastic means such as a coil spring. The upper surface of the nozzle head 16 is a flat horizontal surface.

  A second check valve (not shown) is provided inside the operating member 14. Then, as the operating member 14 descends with respect to the fixed portion 4, the liquid in the cylinder 8 passes through the second check valve and is discharged from the nozzle 18, and as the operating member 14 moves up, the liquid in the container body causes the first check valve to flow. It is configured to be sucked into the cylinder 8 through.

  The lever-equipped member 20 also serves as a cover member surrounding the discharger main body 2 in the present embodiment, and includes a base body 22, a first lever body 50, and a second lever body 60 as shown in FIG. Yes.

  As shown in FIG. 1, the base 22 has a connecting means 24 and a base tube portion 36.

  The connecting means 24 has a fitting cylinder part 26 fitted to the outer surface of the mounting cylinder part 6a. Then, an inward flange-shaped locking plate portion 28 protrudes inward from the upper end of the fitting tube portion 26. The locking plate portion 28 is locked to the upper surface of the flange-like top wall portion 6 b of the mounting member 6. Further, an outward flange-like connecting plate portion 30 projects outward from the upper end of the fitting tube portion 26, and the base tube portion 36 is connected to the connecting plate portion.

  In a preferred illustrated example, a locking projection 32 that can be engaged with the lower surface of the mounting cylinder 6 a is provided around the lower end of the inner surface of the fitting cylinder 26. A first slit 34A is provided in the front wall portion of the fitting cylinder portion 26 over the entire length of the cylinder axis. Further, the front wall portions of the locking plate portion 28 and the connecting plate portion 30 are provided with a second slit 34B that crosses both the plate portions in the front-rear direction. The first slit 34 </ b> A and the second slit 34 </ b> B have a width corresponding to the width of the nozzle 18. By doing so, the nozzle 18 of the discharger body 2 can pass through the first slit 34A and the second slit 34B when the discharger body 2 is mounted on the lever-equipped member 20 from below. .

  The said base cylinder part 36 is an upper surface and a lower surface opening, and has connected the said connection board part 30 to the substantially intermediate part of the up-down direction. Although the base cylinder part 36 of the example of illustration is formed in the substantially square cylinder shape, the shape can be changed suitably. A distance is assumed between the inner surface of the base tube portion 36 and the outer peripheral surface of the discharger body 2.

  In the front wall portion 36a of the base tube portion 36, a vertically long and narrow passage window 42 is formed extending upward from a connecting portion with the connecting plate portion 30 shown in FIG. As shown in FIG. 3, a second cut 39 having a width wider than that of the passing window is formed from the lower end of the passing window 42 to the upper end of the base tube portion 36. The width of the second cut 39 in the illustrated example is substantially the same as the interval between the two side wall portions 36 c of the base tube portion 36. The width of the passage window 42 of the front wall portion 36a may be approximately the same as the width of the nozzle described above.

  Further, as shown in FIG. 1, a first slit 38 is formed in the rear wall portion 36 b of the base tube portion 36. The first cut 38 extends from a position lower than the lower end of the second cut 39 to the upper end of the base tube portion 36. In the illustrated example, the width of the first cut 38 is larger than the width of the passage window and smaller than the width of the second cut 39. However, these structures can be changed as appropriate.

  The first lever body 50 includes a first arm 54 and a pressing piece 58. The first arm 54 protrudes upward and inward from the lower end of the first slit 38 via the first hinge 52. The first arm 54 is located above the nozzle head 16. The pressing piece 58 is suspended from the middle portion in the longitudinal direction of the first arm. The lower end of the pressing piece 58 is in contact with the upper surface of the nozzle head 16. The tip portion of the first arm 54 is disposed so as to be pressed down by the second lever body 60 as the pressed portion 56 that is the leverage of the lever.

  The first hinge 52 is preferably formed as a thin hinge. However, the structure can be changed as appropriate.

  Further, in the present embodiment, the height of the first hinge 52 is made equal to the height of the lower end portion of the pressing piece 58 that contacts the upper surface of the nozzle head 16. With this configuration, when the first lever body 60 is pushed down by the second lever body 60, the lower end of the pressing piece 58 has an arc C1 centered on the first hinge 52, as shown in FIG. Try to move up. At this time, the lower end of the pressing piece 58 presses the nozzle head 16 in a direction perpendicular to the upper surface thereof. Since all of the pressing force acts as a pressing force of the nozzle head 16, the nozzle head 16 can be pressed down efficiently. However, this structure can be changed as appropriate.

  As shown in FIG. 1, the second lever body 60 is formed by projecting an operation piece 66 backward from an upper part of a vertical second arm 64.

  The second arm 64 stands from the lower end of the second slit 39 via the second hinge 62. The second arm 64 in the illustrated example is formed in a vertical plate shape.

  As shown in FIG. 3, the second hinge 62 is formed by a pair of thin hinge portions 62a and 62b formed at the lower end portion of the second slit 39 on both sides of the upper end of the passage window 42. These thin hinge portions are connected to corresponding portions of the lower end portion of the second arm 64.

The operation piece 66 has at least a top plate portion 67 protruding rearward from the upper end portion of the second arm 64, and a finger rest portion 68 is formed at the rear portion of the top plate portion 67. In the illustrated example, the hanging wall portion 72 projects downward from the rear end portion of the top plate portion 67.
As a preferred embodiment, the rear portion of the top plate portion 67 may be depressed to form a depressed recess, and the depressed recess may be used as a finger rest. A range from the recessed portion and the rear end portion 70 of the recessed portion to the upper end portion of the hanging wall portion 72 may be used as the finger contact portion 68. Furthermore, the shape of the finger pad 68 can be changed as appropriate. In addition, the depression recessed part of the example of illustration is formed in circular arc shape seeing from the side. In this embodiment, in order to clarify the leverage of the lever, a case where a finger is placed near the rear end portion 70 of the depressed recess and pushed down is described. However, even if the finger is inserted into the depressed recess and pressed, Good. A pair of side plate portions 74 is suspended from both sides of the top plate portion 67 in the left-right direction. The front end portions of the side plate portions 74 are connected to the second arm 64, and the rear end portions of the side plate portions 74 are connected to the hanging wall portion 72, respectively.

  A pressing portion 76 is suspended from the front portion of the top plate portion 67. The illustrated pressing portion 76 has a vertical plate shape that is wide in the left-right direction, but the form thereof can be changed as appropriate. The lower end of the pressing portion 76 is in contact with the upper surface of the pressed portion 56 of the first arm 54.

  In the illustrated example, the second hinge 62 is located on the extension line E in the protruding direction of the first arm 54 from the first hinge 52, as shown in FIG. Is located. According to this configuration, as shown in FIG. 5A, when the finger contact portion 68 of the second lever body 60 is pushed down, the lower end of the pressing portion 76 of the second lever body 60 is the second hinge 62. To move on an arc C2 centered at. At this time, the lower end of the pressing portion 76 presses the first arm 54 in a direction perpendicular to the upper surface thereof. Since all of the pressing force acts as the rotational force of the first arm 54, the first arm can be efficiently rotated. However, this structure can be changed as appropriate.

  The base body 22, the first lever body 50, and the second lever body 60 are integrally formed as a whole. When molding with a mold, for example, as shown in FIG. 4, the first lever body 50 and the second lever body 60 may be molded in a double-opened form with respect to the base body 22. The lever-equipped member 20 molded in the unfolded state is attached to the discharger body 2 and can be easily mounted by folding the two lever bodies.

  In the above configuration, as shown in FIG. 5A, when the finger pad 68 is pushed down, the second lever body 60 tries to rotate around the second hinge 62, so the pressing portion 76 of the second lever body 60. Pushes down the pressed portion 56 of the first lever body 50. Then, the first lever body 50 tries to rotate around the first hinge 52, and the lower end of the pressing piece 58 of the first lever body 50 pushes down the upper surface of the nozzle head 16.

  By this depression, the nozzle head 16 descends as shown in FIG. 5B and stops at the lower limit position reaching FIG. 5C.

  In the above-described operation, the force Fb that the pressing portion 76 presses the pressed portion 56 is larger than the force Fa that presses down the finger rest portion 68 by the lever boosting action, and the pressing piece 58 is more than the nozzle head. The force Fc that pushes down 16 is greater. Since the force required to push down the nozzle head 16 is constant, the force to push down the finger pad 68 may be small, and even a user with weak hand strength can handle it sufficiently.

  In FIG. 5, h <b> 2 represents a difference in height of the nozzle head between the upper limit state and the lower limit state of the stroke of the nozzle head 16, and h <b> 1 represents a ratio with the height difference of the upper part of the second lever body 60. The boosting action of the entire two-stage lever is determined by the ratio of h1 to h2. By adopting the structure of the two-stage lever, it is possible to freely design the reduction of the pressing force of the finger pad portion 68. In the illustrated example, a configuration is described in which the pressing force of the finger pad is about ¼.

  Hereinafter, other embodiments of the present invention will be described. In these descriptions, descriptions of the same configurations as those of the first embodiment are omitted.

  6 to 8 show a second embodiment of the present invention. In the present embodiment, a stopper S is formed between the upper portion of the second lever body 60 and the corresponding portion of the base cylinder portion 36. The stopper S is configured to be forcibly released when the finger contact portion 68 is pressed down.

  The stopper S is formed so that the lever side engaging portion s1 provided on the upper part of the second lever body 60 and the base side engaging portion s2 provided on the base tube portion 36 are separably engaged with each other.

  In the present embodiment, the lever side engaging portion s <b> 1 is formed as a convex portion provided on the outer surface of the side plate portion 74 of the operation piece 66. The base-side engaging portion s2 is a recess formed in the upper part of the inner surface of the left and right side wall portions 36c of the base tube portion. However, the lever side engaging portion s1 may be formed as a concave portion, and the base side engaging portion s2 may be formed as a convex portion, and the positions of these engaging portions may be appropriately changed.

DESCRIPTION OF SYMBOLS 2 ... Discharger main body 4 ... Fixed part 6 ... Mounting member 6a ... Mounting cylinder part 6b ... Flange-like top wall part 6c ... Guide cylinder part 8 ... Cylinder 14 ... Actuating member 16 ... Nozzle head 18 ... Nozzle 20 ... Member with lever 22 ... Base 24 ... Connecting means 26 ... Fitting cylinder part 28 ... Locking plate part 30 ... Connecting plate part 32 ... Locking protrusion 34A ... First slit 34B ... Second slit 36 ... Base tube part 38 ... First slit 39 ... 2nd cutting 42 ... Passing window 44 ... Top wall part 46 ... Engagement plate part 50 ... 1st lever body 52 ... 1st hinge 54 ... 1st arm 56 ... Pressed part 58 ... Pushing piece 60 ... 2nd Lever body 62 ... second hinge 62a, 62b ... thin hinge portion 64 ... second arm 66 ... operation piece 67 ... top plate portion 68 ... finger rest portion 70 ... rear end portion 72 ... hanging wall portion 74 ... side plate portion 76 ... pressing portion C1, C2 ... Arc E ... Extension line S ... Stop S1 ... lever side engaging part s2 ... base body side engaging part 100 ... container body 102 ... mouth and neck part

Claims (6)

A discharger body (2) provided with a fixing part (4) attachable to the mouth and neck of the container body, and having a nozzle head (16) that can be raised and lowered relative to the fixing part (4);
A first base body (50) is provided from a first hinge (52) located at one place in the circumferential direction of the base body (22). A lever member (20) projecting the second lever body (60) from the second hinge (62) located at another location in the circumferential direction of the base body (22) to the upper side of the nozzle head (16) ;
Comprising
The first lever body (50) has a pressed part (56) on the distal end side, and a pressing piece (56) that can come into contact with the upper surface of the nozzle head (16) closer to the base end than the pressed part (56). 58),
The second lever body (60) has a finger contact portion (68) on the distal end side, a pressing portion (76) capable of contacting the upper side of the pressed portion (56) closer to the proximal end than the finger contact portion (68). Each with a dispenser. The first hinge (52) and the second hinge (62) are located on both sides of the discharger body (2) when viewed from above,
The first lever body (50) has a pressing piece (58) suspended from the lower surface of the intermediate portion of the first arm (54) protruding from the first hinge (52), and the tip of the first arm (54). 2. Discharge device according to claim 1, characterized in that the close part is a pressed part (56). The lower end of the pressing piece (58) is brought into contact with the upper surface of the nozzle head (16) before the finger contact part (68) is pressed down, and the first arm (54) is moved to the first hinge (52). ) To project inward and upward,
The dispenser according to claim 2, characterized in that the height of the first hinge (52) is equal to the height of the lower end of the pressing piece (58) that abuts the upper surface of the nozzle head (16).   The second hinge (62) is positioned on the extension line (E) in the protruding direction of the first arm (54) from the first hinge (52) before the finger rest (68) is pushed down. The dispenser according to claim 2 or claim 3, wherein the dispenser is configured as described above. The base body (22) is connected to the fixing portion (4) of the discharger main body (2) via a connecting means (24) and surrounds the discharger main body (2). Have
While opening a passage window (42) for discharged material on one side of the base tube portion (36),
A second hinge (62) is disposed above the passing window (42) in the base tube portion (36), and a first hinge (52) is disposed on the diametrically opposite side of the base tube portion (36) with respect to the second hinge (62). The discharger according to any one of claims 1 to 4, characterized in that a) is formed. A stopper (S) for locking the second lever body (60) between the upper portion of the second lever body (60) and the base tube portion (36) before the finger pad portion (68) is pushed down. 6. The dispenser according to claim 5, wherein the stopper (S) is forcibly released by pressing down the finger contact part (68).