JP4968733B2 - Liquid ejector - Google Patents

Description

  The present invention relates to a liquid ejector, and more particularly, to a liquid ejector capable of mixing and ejecting two separately accommodated agents by a simple operation during use.

  There has been proposed a two-component mixing container with a pump configured to contain liquid and powder in a separated state, mix them by a simple operation at the time of use, and dispense with a pump provided. (For example, see Patent Document 1)

This two-component mixing container has a container body that has an upper end opening and forms a main chamber for storing the contents therein, and the contents in the main chamber are sucked, pressurized and pumped through the nozzle head outlet. A pump that discharges objects to the outside, and the outer wall of the pump and the inner wall of the intermediate cylinder are detachably fitted and held, and a subchamber is formed inside to accommodate other contents. It is constituted by the inside plug to do. In the sub chamber, a sleeve having the same axis as that of the rotating cover body and having the inner plug pressed from the inside of the sub chamber to drop the inner plug into the main chamber is disposed. The at least one slit that rotates in synchronization with the rotation of the rotating cover body and allows sliding along the axis of the rotating cover body is provided, and the sleeve is moved up and down by the rotation of the rotating cover body.
JP 2007-91286 A

  The two-component mixing container can press the inner plug by sliding the sleeve in the sub chamber along the narrow groove or the long hole by the rotation of the rotating cover body. By simply operating, the other contents in the sub-chamber are dropped into the main chamber together with the inner plug, so that the contents can be reliably mixed.

  The present invention has such excellent effects as well as preventing the pressing head from being pushed down before becoming a mixed liquid, and can surely prevent inconveniences such as sucking only the first agent in the container into the cylinder. A liquid jetting device for mixing two agents is proposed in which the pressing-down prevention means of the pressing head can be released during a series of opening operations.

The first means is configured as follows. That is, the container body A for accommodating the first agent, containing a second agent, with pivotally mounted to the container body A in the container body A top annular and a bottom lid B ₂ The auxiliary container body B, the mounting cap C that is rotatably mounted on the container body A, and the mounting cap C that is fixed to the mounting body C are mounted on the container body A, and the liquid in the container body A is sucked up to press the pressing head 64. A liquid ejector comprising a push-down head-type dispenser D configured to be ejected from a jet port, wherein the push-down preventing means for preventing the push-down head 64 from being pushed down, and the relative rotation of the mounting cap C with respect to the container body A and a lid opening means for removing the bottom lid B _2, was constructed as presses prevention means by relative rotation of the mounting cap C to the previous container body a which lid opening means is activated is released.

The second means is configured as follows. That is, in the first means, the pressing prevention means includes a locking surface f ₁ provided on the auxiliary container body B, and a pressing that abuts the locking surface f ₁ through the window 49 of the mounting cap C. constituted by an engagement surface f ₂ of the head 64, the lid opening means, a projection 35 projecting from the side from the bottom lid B _2, provided on one of the container body a and the auxiliary container body B As the auxiliary container body B rotates by rotating the mounting cap C by guiding it to the combined guide structure of the spiral inclined surface s and the vertical guide groove 15 provided on the other side, the protrusion 35 is spiral. It is configured such that the inclined container s is pressed downward against the auxiliary container body B by the inclined surface s so that the lid is opened, and the engaging protrusion 47 of the mounting cap C presses the locking protrusion 26 provided on the auxiliary container body B. Thus, the auxiliary container body B is configured to rotate, and the engaging projection 26 and the engaging protrusion 47 are arranged with a separation distance from which the engaging surface f ₂ is disengaged from the engaging surface f ₁ .

  The third means was configured as follows. That is, in the second means, the combination guide structure includes a spiral inclined surface s formed on the lower surface of the arcuate wall 23 suspended from the lower end of the outer peripheral wall 21 of the auxiliary container body B, and the inner side of the container body A. A plurality of the protrusions 35 are provided at equal intervals, and the tip ends of the protrusions 35 are fitted into the vertical guide grooves 15, and the base end portions of the protrusions 35 are provided. Is brought into contact with the spiral inclined surface s.

Liquid sprayer according to the present invention includes a depression preventing means for preventing depression of the pressing head 64, and a lid opening means by relative rotation of the mounting cap C with respect to the container body A Remove the bottom lid B _2, is an open lid means Since the pressing prevention means is configured to be released by the relative rotation of the mounting cap C with respect to the container body A before being activated, only the first agent in the container body A is sucked into the cylinder D _{1 of the} dispenser D. Therefore, the target mixed liquid can be surely ejected. In addition, since the pressing-down prevention means of the pressing head can be released during a series of opening operations, there is no risk of mishandling and it is extremely easy to use.

Forming the depression preventing means, in the locking surface f ₁ provided in the auxiliary container body on B, and the engagement surface f ₂ of pressing heads 64 to abut through the window 49 of the mounting cap C to the locking surface f ₁ Then, the opening means is provided with a projection 35 projecting laterally from the bottom lid B ₂ on the spiral inclined surface s provided on one of the container body A and the auxiliary container body B, and the other. As the auxiliary container body B is rotated by rotating the mounting cap C while being guided by the combined guide structure with the vertical guide groove 15, the projection 35 is made to the auxiliary container body B by the spiral inclined surface s. The lid is configured to be opened by being pressed downward, and the locking projection 26 provided on the auxiliary container body B is configured to rotate the auxiliary container body B when the engagement projection 47 of the mounting cap C is pressed. and, a locking projection 26 and the engaging projection 47, when arranged with a distance to the locking surface f engagement face f ₂ from the above ₁ deviates includes a locking surface f ₁ and the engaging surface f ₂ of Even if there is a slight gap between the lower, it is possible to stop the pumping function of the dispenser D, engages from the upper locking surface f ₁ by the initial rotation is smoothly performed for the auxiliary container body B of the mounting cap C the mating surface f ₂ can be reliably moved. Further, since each part can transmit force without difficulty, even if the bottom cover B ₂ is provided with a sufficient fitting width with a large fitting width to the main body B ₁ , it is easily removed by a series of operations.

The combination guide structure has a spiral inclined surface s formed on the lower surface of the arcuate wall 23 suspended from the lower end of the outer peripheral wall 21 of the auxiliary container body B, and a vertical guide groove 15 open at the lower end vertically provided inside the container body A. A plurality of the protrusions 35 are provided at equal intervals, the tips of the protrusions 35 are fitted into the vertical guide grooves 15, and the base end portions of the protrusions 35 are brought into contact with the spiral inclined surface s. If made, it can prevent a disadvantage such that depressing the equally performed by rotational operation of the mounting cap C of the bottom lid B ₂ becomes heavy.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 and 11 show an example of a liquid ejector according to the present invention. In the figure, 1 indicates a liquid ejector. The liquid ejector 1 includes a container body A, an auxiliary container body B, a mounting cap C, a dispenser D, and an overcap E.

The container body A has a bottomed cylindrical shape with an open upper end, and defines a first agent storage chamber R ₁ for storing the first agent therein, and includes a bag A ₁ , a trunk portion A ₂ , And the mouth part A ₃ . The first agent storage chamber R ₁ containing a first agent in the liquid. The bowl A ₁ has a dish shape in which the peripheral wall 3 is erected from the periphery of the bottom wall 2. Further, the body portion constituting unit A ₂ is constituted by extending the cone-shaped bottom wall 6 from the inner peripheral lower portion of the peripheral wall 5, the inner periphery upper end of the peripheral wall 5 to a larger diameter, the diameter A large number of circumferential ribs 7 protrude in the lower part of the portion. And, thereby integrating them together by fitting the lower end portion of the peripheral wall 5 to the wall 3 the outer periphery of the skirt A _1.

As shown in FIGS. 2 and 3, the mouth portion A ₃ includes a cylindrical tube wall portion 10, and a flange 11 is projected from an intermediate portion in the vertical direction of the outer periphery of the tube wall portion 10. A stop protrusion 12 is provided around the periphery, and a number of vertical ribs 13 for preventing rotation are provided below the flange 11 in the circumferential direction. Further, a thick portion 14 is formed on the inner periphery of the cylindrical wall portion 10 with a gap in the vertical direction, and a pair of vertical guide grooves 15 are provided vertically at positions facing the thick portion 14. Then, the vertical ribs 13 are engaged with the vertical ribs 7 of the peripheral wall portion 5 of the body portion to prevent mutual rotation, the upper portions thereof are liquid-tightly fitted to each other, and the lower portion of the cylindrical wall portion 10 is connected to the body portion. The upper part of the peripheral wall 5 of the component part is fitted to the inner periphery of the upper part, the upper part of the cylindrical wall part 10 is projected above the peripheral part of the peripheral part 5 of the barrel part, and the flange 11 is abutted and fitted on the peripheral wall 5 of the trunk part constituent part. Are integrated. In this example, a container body having a bottomed cylindrical shape with an upper end opening is adopted, but a container body in which the bottom wall rises with a decrease in the stored liquid may be adopted, or You may employ | adopt the container body of a two-layer structure from which a trunk | drum can peel, ie, what is called a delami type container body.

The auxiliary container body B includes a main body B ₁ and a bottom lid B ₂ , and the main body B ₁ has a donut plate-like top wall at the upper ends of the inner peripheral wall 20 and the outer peripheral wall 21 as shown in FIGS. It is connected at 22 and has an annular shape with an open lower end. Further, a pair of semicircular arc-shaped walls 23 are provided on the lower surface of the outer peripheral wall 21 so that the lower surface of each arc-shaped wall 23 is configured as a spiral inclined surface s. A flange portion 24 protrudes outward from the upper part of the outer surface of the outer peripheral wall 21. Further, the inner peripheral wall front and rear opposite positions of the upper surface of the main body B ₁ and projecting the pair of convex portions 25 constitute the upper surface as the locking surface f _1. Also projecting a pair of locking projections 26 on the outer peripheral wall side front and rear opposite positions of the body B ₁ top.

As shown in FIGS. 7 and 8, the bottom cover B ₂ has an annular shape in which the inner cylinder part 30 and the outer cylinder part 31 are connected by a top plate part 32 having a donut plate shape and the lower end is opened. An inner flange 33 and an outer flange 34 project inward and outward from the lower end edges of the inner cylinder part 30 and the outer cylinder part 31, respectively, and a pair of projections 35 project from the outer flange 34 at positions facing front and rear. ing. Then, the inner cylinder part 30 is fitted to the inner surface of the inner peripheral wall 20 of the main body and the outer cylinder part 31 is fitted to the inner surface of the outer peripheral wall of the main body 21 in a liquid-tight manner to form the auxiliary container B, and the second agent is accommodated therein. defining a second containing chamber R _2. The second containing chamber R in ₂ houses the second agent in powder or liquid. The auxiliary container body B configured in this manner is configured such that the flange portion 24 of the main body B ₁ is placed on the upper surface of the thick portion 14 and the tips of the protrusions 35 are fitted into the vertical guide grooves 15 respectively. It is attached so that it can rotate.

  As shown in FIG. 9, the mounting cap C has an inner half raised from the upper end edge of the peripheral wall 41 provided with an engaging protrusion 40 on the inner periphery via a hanging wall 42a, and a window hole in the center. A top plate 41 is opened, and a guide cylinder 43 is provided on the top plate 41 at the periphery of the window hole. In addition, a seal cylinder 44 is suspended from the outer peripheral edge of the back surface of the top plate, a fixed cylinder 45 is suspended from the inner peripheral edge, and a cylinder 46 for mounting the overcap E is erected from the outer edge of the raised portion. is doing. Further, a pair of engaging protrusions 47 are provided to project at predetermined positions on the back surface of the top plate 41 facing each other in the center in the inner and outer directions. In addition, a pair of concave grooves 48 are formed at predetermined positions on the inner surface of the cylindrical portion 46, and a pair of windows 49 are formed in the top plate 41 below the concave grooves 48.

Then, the engagement protrusion 40 is engaged with the stopping projections 12 bottom surface to prevent escape upward, pivotally peripheral wall 41 to the cylindrical wall portion 10 the outer peripheral upper portion of the mouth portion forming portion A ₃ fitting is, the tubular sealing 44 liquid-tight so and rotatably fitted to the inner peripheral upper end portion mouth cylindrical wall portion peripheral upper end portion 10. of the component a ₃ is of the container in liquid-tightness in this portion It is attached so that rotation with respect to the container body A is possible.

The dispenser D includes a cylinder D ₁ and a vertically moving member D _{2. The} cylinder D ₁ is fixed at the upper end between the guide cylinder 43 and the fixed cylinder 45, and the lower end at the center of the auxiliary container body B. Is suspended. Comprising a suction valve 50 in the lower cylinder D _1, the cylinder D ₁ the lower end of the lower suction valve 50 is fitted to the upper end of the suction pipe 51, hanging down the lower end to the container body A lower end Yes.

The vertically moving member D ₂ is fitted with the inner peripheral edge of the annular piston 60 slidably fitted in the cylinder D ₁ so as to allow a small vertical movement to the bottom of the bottomed stem 61, A discharge valve 63 is constituted by a flange-like projection 62 projecting from the outer periphery of the stem 61 and the annular piston 60. A pressing head 64 is fitted on the upper end of the stem 61. The pressing head 64 has a vertical cylinder 65 fitted to the upper periphery of the stem 61 suspended from the back surface of the top wall 66, a peripheral wall 67 is suspended from the peripheral edge of the top wall 66, and is attached to the front upper end of the vertical cylinder 65. A nozzle 68 having a base end opened is projected forward through the peripheral wall 67. The configuration of the pair of engaging portions 69 from the front and rear lower edge of the peripheral wall 67 is vertically provided in the window 49, the lower surface of Kakukakarigototsu portion 69 to the engaging surface f ₁ as the engagement surface f ₂ abuts is doing. Vertically movable member D ₂ is then urged upwardly at all times by the coil spring 70 is interposed between the mounting cap top plate 42.

The case where the liquid ejector configured as described above is used will be described. Prior to use, as shown in FIG. 1, each engagement surface f ₂ is positioned above each locking surface f _1. Therefore, even if the overcap E is removed and the pressing head 64 is pushed down, each engagement surface f ₂ abuts against each locking surface f ₁ , and the pressing head 64 cannot be pushed down, so that the liquid in the container body A is not sucked into the cylinder D ₁ . At this time, even if there is a slight gap between the engaging surface f ₁ and the engaging surface f ₂ , the vertical movement member D ₂ is not pushed down until the pump functions.

In this state, as shown in FIG. 10 (a), the locking projection 26 of the auxiliary container body B and the engagement projection 47 of the mounting cap C are located at a predetermined interval. The bottom lid B ₂ of the auxiliary container body B hermetically seals the lower end opening of the main body B ₁ as shown in FIG. 11 (a). From this state, when the mounting cap C is fixed by grasping the container body A and rotated counterclockwise and rotated until the locking projection 26 contacts the engagement projection 47, the state shown in FIG. As shown, the engaging projection 69 of the pressing head 64 also rotates simultaneously and shifts from above the projection 25. At this time, the bottom cover B ₂ of the auxiliary container body B maintains the same state as that in FIG.

Next, when the container body A is fixed by grasping or the like and the mounting cap C is further rotated counterclockwise, the engaging projection 47 presses the locking projection 26 and the auxiliary container body B is attached to the mounting cap C. To turn. At this time, since the container body A is fixed, the projection 35 is locked in the vertical guide groove 15 so that the bottom cover B ₂ does not rotate, and the projection 35 is lowered by the spiral inclined surface s of the rotating body B _1. Is pressed. Therefore, the bottom cover B ₂ of the auxiliary container body B is pressed by the spiral inclined surface s and starts to descend with respect to the main body B ₁ as shown in FIG. 11 (b). When the mounting cap C is rotated about 160 ° with respect to the container body A as shown in FIG. 10 (c), the bottom cover B ₂ is completely removed from the main body B _{1 as} shown in FIG. 11 (c). fall within two agents second agent in the second agent in the accommodation chamber R ₂ is dropped into the first agent in the container body a are mixed.

Next, the pressing head 64 is moved up and down to suck the mixed liquid into the cylinder D ₁ and then ejected from the outlet of the pressing head 64. In addition, the rotation width of the mounting cap C when the mounting cap C is rotated to drop the bottom lid B ₂ is provided, for example, on the container body A and the mounting cap C with marks made up of characters, symbols, etc., respectively. To make it clearer.

It is a half sectional view of a liquid ejector. Example 1 It is a half cross-sectional view of the mouth part constituting part constituting the container body. Example 1 It is a top view of the opening | mouth part structure part which comprises a container body. Example 1 It is a half sectional view of a main part which constitutes an auxiliary container body. Example 1 It is a top view of the main body which comprises an auxiliary container body. Example 1 It is a bottom view of the main body which comprises an auxiliary container body. Example 1 It is a half sectional view of the bottom cover which constitutes an auxiliary container body. Example 1 It is a top view of the bottom cover which comprises an auxiliary container body. Example 1 It is a half sectional view of a mounting cap. Example 1 It is explanatory drawing explaining the effect | action of a liquid ejector. Example 1 It is explanatory drawing explaining the effect | action of a liquid ejector. Example 1

Explanation of symbols

1 ... Liquid ejector A ... Container body
A ₁ … 袴 2… Bottom wall, 3… Surround wall
A ₂ ... trunk part 5 ... peripheral wall, 6 ... bottom wall, 7 ... vertical rib, R ₁ ... first agent storage chamber
A ₃ ... Mouth component
10 ... Cylinder wall, 11 ... Flange, 12 ... Locking protrusion, 13 ... Vertical rib, 14 ... Thick part,
15 ... Vertical guide groove B ... Auxiliary container body
B ₁ … Body
20 ... inner circumferential wall, 21 ... outer circumferential wall, 22 ... top wall 23 ... arcuate wall, 24 ... flange portion, 25 ... protruding portion, 26 ... locking projection, s ... helical inclined surfaces, f ₁ ... locking surface
B ₂ … Bottom lid
30 ... Inner cylinder part, 31 ... Outer cylinder part, 32 ... Top plate part, 33 ... Inner flange, 34 ... Outer flange,
35 ... projection, R ₂ ... second agent storage chamber C ... mounting cap
40 ... engaging protrusion, 41 ... peripheral wall, 42 ... top plate, 42a ... vertical wall, 43 ... guide tube, 44 ... seal tube,
45 ... fixed cylinder, 46 ... cylinder part, 47 ... engagement protrusion, 48 ... concave groove, 49 ... window D ... dispenser
D ₁ ... Cylinder
50 ... Suction valve, 51 ... Suction pipe
D ₂ ... Vertical movement member
60 ... annular piston, 61 ... stem, 62 ... flange, 63 ... discharge valve,
64 ... pressing head, 65 ... vertical cylinder, 66 ... top wall, 67 ... peripheral wall, 68 ... nozzle, 69 ... engagement convex part,
70 ... coil spring, f ₂ ... engaging surface E ... overcap

Claims (3)

An annular auxiliary container containing a first agent and a container A and a second agent, mounted on the upper part of the container A so as to be rotatable with respect to the container A, and having a bottom lid B ₂ A body B, a mounting cap C rotatably mounted on the container body A, and a mounting cap C that is fixed to the mounting cap C and mounted on the container body A. A liquid ejector including a push-down head-type dispenser D configured to eject more, a press-preventing means for preventing the push-down head 64 from being pushed down, and a bottom cover by relative rotation of the mounting cap C with respect to the container body A A liquid ejector comprising: a lid opening means for removing B ₂ , wherein the pressing prevention means is released by relative rotation of the mounting cap C with respect to the container body A before the lid opening means is activated. . Forming the depression preventing means, in the locking surface f ₁ provided in the auxiliary container body on B, and the engagement surface f ₂ of pressing heads 64 to abut through the window 49 of the mounting cap C to the locking surface f ₁ Then, the opening means is provided with a projection 35 projecting laterally from the bottom lid B ₂ on the spiral inclined surface s provided on one of the container body A and the auxiliary container body B, and the other. As the auxiliary container body B is rotated by rotating the mounting cap C while being guided by the combined guide structure with the vertical guide groove 15, the projection 35 is made to the auxiliary container body B by the spiral inclined surface s. The lid is configured to be opened by being pressed downward, and the locking projection 26 provided on the auxiliary container body B is configured to rotate the auxiliary container body B when the engagement projection 47 of the mounting cap C is pressed. The liquid ejector according to claim 1, wherein the locking protrusion and the engaging protrusion are arranged with a separation distance from which the engaging surface f ₂ is disengaged from the locking surface f ₁ . The combination guide structure has a spiral inclined surface s formed on the lower surface of the arcuate wall 23 suspended from the lower end of the outer peripheral wall 21 of the auxiliary container body B, and a vertical guide groove 15 open at the lower end vertically provided inside the container body A. A plurality of the protrusions 35 are provided at equal intervals, the tips of the protrusions 35 are fitted into the vertical guide grooves 15, and the base end portions of the protrusions 35 are brought into contact with the spiral inclined surface s. The liquid ejector according to claim 2.

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