JP5366148B2 - Pump refill container - Google Patents

Description

  The present invention relates to a pump refill container.

  In consideration of recent waste disposal circumstances, it has been proposed that after using a liquid, only the container for storing the liquid is replaced with a new refill container and the pump itself is used again. (For example, see Patent Document 1 or Patent Document 2)

  The replacement container for a pump described in Patent Document 1 is a standing pouch-type replacement container, and has a configuration in which the replacement container is detachably attached to a pump that is supported so as to stand upright by a cylindrical support. Yes.

  Moreover, the ejection container described in Patent Document 2 includes an outer case, an exchange container, and an ejection tool. The outer case has shape retention, and has an opening at the top, and can be opened and closed separately. Provided. In addition, the exchange container has a shape-retaining mouth portion and a non-shape-retaining container portion, the contents are stored in the container portion, the exterior case is opened, and the mouth portion is fitted into the opening portion. The container is housed inside, the outer case is closed, and the inside is replaceably attached. Further, the ejection tool is attached to the upper part of the outer case in the form of a pump.

  The former has the feature that it can be manufactured at low cost, but the replacement is relatively complicated and cumbersome because it employs a configuration in which the tip of the replacement container is cut and the cut portion is sandwiched between pumps. . In the latter case, the replacement is similarly troublesome.

JP 2001-019013 A Japanese Patent Laid-Open No. 08-011960

  The present invention has been made in view of the above points, and a pump refill container that can be easily exchanged with a pump, is easy to handle, and can be easily manufactured. suggest.

The first means is configured as follows. In other words, a pump refill container used by mounting a pump B, a cylindrical supporting case A1, with detachably fitted peripheral wall 50 to the upper end outer periphery of the support case A1, the top wall from the peripheral wall 50 upper 51 includes a fixed cover A3 having a lower end in the central portion of the top wall 51 and a mouth-and-neck portion 52 standing upright, and a storage container body A2 detachably suspended from the fixed cover A3. The container body A2 includes a mouth portion 20, a tubular body portion 30, and a bottom lid 40. The mouth portion 20 has shape retention and is formed on the upper surface of the support case A1 and the inner surface of the fixed cover peripheral wall 50. The flange 22 sandwiched between the sandwiched portion 54 and the tubular portion 21 is provided so as to protrude from the outer periphery of the tubular portion 21. The tubular body 30 is thin and flexible, and the tubular portion of the mouth portion 20 is formed. the upper end will be embedded fixed to 21 the lower end, the bottom cover 40, Ri the lower end of the tubular body portion 30 greens and closed infarction, recessed a lower end outer face of the mouth portion 20 inwardly The curved surface 24 extending upward was recessed, and the upper edge of the tubular body 30 was embedded and fixed to the curved surface 24 .

The second means is configured as follows. That is, it is a pump refill container to which the pump B is attached, and has a cylindrical support case A1 and a peripheral wall 50 detachably fitted to the outer periphery of the upper end of the support case A1, and the top wall from above the peripheral wall 50 51 includes a fixed cover A3 having a lower end in the central portion of the top wall 51 and a mouth-and-neck portion 52 standing upright, and a storage container body A2 detachably suspended from the fixed cover A3. The container body A2 includes a mouth portion 20, a tubular body portion 30, and a bottom lid 40. The mouth portion 20 has shape retention and is formed on the upper surface of the support case A1 and the inner surface of the fixed cover peripheral wall 50. The flange 22 sandwiched between the sandwiched portion 54 and the tubular portion 21 is provided so as to protrude from the outer periphery of the tubular portion 21. The tubular body 30 is thin and flexible, and the tubular portion of the mouth portion 20 is formed. 21 The upper end is embedded and fixed at the lower end, and the bottom cover 40 is formed by closing the lower end of the tubular body 30, and the lower end of the tubular portion 21 of the mouth portion 20 is inward. Configured as a curved portion 21a which is curved concavely in a semicircle, the upper edge of the tubular body portion 30 is buried secured to the curved portion 21a.

The third means was configured as follows. That is, it is a pump refill container to which the pump B is attached, and has a cylindrical support case A1 and a peripheral wall 50 detachably fitted to the outer periphery of the upper end of the support case A1, and the top wall from above the peripheral wall 50 51 includes a fixed cover A3 having a lower end in the central portion of the top wall 51 and a mouth-and-neck portion 52 standing upright, and a storage container body A2 detachably suspended from the fixed cover A3. The container body A2 includes a mouth portion 20, a tubular body portion 30, and a bottom lid 40. The mouth portion 20 has shape retention and is formed on the upper surface of the support case A1 and the inner surface of the fixed cover peripheral wall 50. The flange 22 sandwiched between the sandwiched portion 54 and the tubular portion 21 is provided so as to protrude from the outer periphery of the tubular portion 21. The tubular body 30 is thin and flexible, and the tubular portion of the mouth portion 20 is formed. 21 The upper end is embedded and fixed at the lower end, and the bottom cover 40 is formed by closing the lower end of the tubular body 30, and the lower end of the tubular portion 21 of the mouth portion 20 is inward. Configured as an inclined portion 21b which is inclined downward, the upper edge of the tubular body portion 30 is buried fixed to the upper surface of the inclined portion 21b.

The fourth means is configured as follows. That is, in any one of the first to third means, the bottom cover 40 is constructed by raising the connecting cylinder 42 from the periphery of the bottom plate 41, and a tubular body is formed on the outer periphery of the connecting cylinder 42. The lower end surface of the inner periphery of 30 is fused and fixed to close the lower end of the tubular body 30.

  In the present invention, the fixed cover A3 is removed from the support case A1 after the stored items are used up, then the storage container body A2 is detached from the fixed cover A3, and the new storage container body A2 is attached to the fixed cover A3 and fixed again. Can be exchanged by an extremely simple operation of fitting and fixing to the support case A1. In addition, since the wide opening 20 is provided for the replacement operation, it is very easy to remove or attach the fixed cover A3.

  In addition, the storage container body A2 has a shape retaining property in which a flange 22 sandwiched between the upper surface of the support case A1 and a sandwiching portion 54 formed on the inner surface of the fixed cover peripheral wall 50 projects from the outer periphery of the tubular portion 21. A thin-walled flexible tubular body 30 having an upper end embedded and fixed at the lower end of the tubular portion 21 of the mouth 20; and the bottom end of the tubular body 30 is connected to the bottom lid 40. In particular, when the mouth portion 20 is manufactured, the thin tube 30a is formed by forming a resin plate 20a or a resin ring 20b on the upper end with a mandrel 100 and a punch 101. There are advantages that can be formed.

  The bottom lid 40 is constructed by raising the connecting cylinder 42 from the periphery of the bottom plate 41, and the lower end surface of the inner periphery of the tubular body 30 is fused and fixed to the outer periphery of the connecting cylinder 42 to close the lower end of the tubular body 30 In the case, the tubular body 30 that shrinks as the stored liquid decreases is initially stored in the bottom cover 40 more efficiently, and accordingly, the tubular body 30 has an advantage that the volume is efficiently reduced. The final removal is easier.

  If the outer surface of the lower end of the mouth 20 is recessed inwardly and is recessed in an upwardly curved surface 24, and the upper end edge of the tubular body 30 is embedded and fixed on the curved surface 24, a mandrel or the like is used. There is an advantage that the end surface of the tube-shaped body 30 can be surely covered when molding is used, and as a result, if the tube-shaped body 30 has a barrier property, its performance Can be reliably prevented.

  When the lower end portion of the cylindrical portion 21 of the mouth portion 20 is configured as a curved portion 21a that is curved and recessed inwardly in a semicircular shape, it is retained when the fixing cover A3 of the storage container body A2 is attached or detached. It has shape and is easy to grasp the curved portion 21a, so that it can be easily attached and detached.

  The lower end portion of the tubular portion 21 of the mouth portion 20 is configured as an inclined portion 21b inclined downward inward, and the upper end edge of the tubular body portion 30 is embedded and fixed on the upper surface of the inclined portion 21b. The tubular body 30 can be suspended from the inner surface of the support case A1 with a sufficiently wide width, and even if the lateral width of the tubular body 30 that contracts as the amount of stored items increases, It is possible to prevent the disadvantage that the contraction operation is hindered by being caught.

It is a half sectional view of the refill container for pumps equipped with a pump. Example 1 It is a half sectional view of a storage container body. Example 1 It is a principal part expanded sectional view of a refill container. Example 1 It is explanatory drawing explaining the effect | action of a refill container. Example 1 It is explanatory drawing explaining a part of manufacturing process. Example 1 It is a half sectional view of the refill container for pumps equipped with a pump. (Example 2) It is a half sectional view of a storage container body. (Example 2) It is a principal part expanded sectional view of a refill container. (Example 2) It is a half sectional view of the refill container for pumps equipped with a pump. (Example 3) It is a half sectional view of a storage container body. (Example 3) It is a principal part expanded sectional view of a refill container. (Example 3) It is explanatory drawing explaining a part of manufacturing process. (Example 3)

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

  1 to 4 show an example of the pump refill container A, and shows a state where the pump B is mounted. In the figure, C indicates a cap. The pump refill container A includes a support case A1, a storage container body A2, and a fixed cover A3.

  The support case A1 is formed of a synthetic resin or the like and has a shape retaining property. The support case A1 has a cylindrical shape with upper and lower ends opened, and a thread 10 is provided around the outer peripheral upper end.

  As shown in FIG. 2, the storage container body A2 is formed by fusing and fixing three members of the mouth portion 20, the tubular body portion 30, and the bottom lid 40. The mouth portion 20 is formed of a synthetic resin or the like, and has a flange 22 protruding from the outer periphery of the lower portion of the cylindrical portion 21, and a locking means that locks the fixed cover A3 above the flange 22 A ridge 23 is provided around the ridge. The locking means may be screwed with a thread. In addition, the outer surface of the lower end portion of the mouth portion 20 is recessed in an inwardly curved curved surface 24 that extends upward.

The tubular body 30 has a thin and flexible cylindrical shape with upper and lower ends opened. In the example of FIG. 1, the upper end edge of the tubular body 30 is formed on the curved surface 24 at the lower end of the outer surface of the mouth 20. The upper end edge is embedded and fixed, and the inner peripheral surface is positioned on the same peripheral surface as the inner peripheral surface of the cylindrical portion 21. As shown in the enlarged view of FIG. 3, the embedding fixation here mainly indicates a state in which the outer surface of the tube-shaped body portion 30 is exposed and the other portion is embedded, and is in contact with the mouth portion 20. Each surface to be fused is in a fused state. The tubular body 30 is formed of a single layer or a laminated structure of synthetic resin, or a laminated structure of a synthetic resin and a metal thin film layer. Although not specified thickness thereof is especially employed those as thin as possible, for example, but ^{0.1 × 10 -3 m~0.5 × 10 -3} m approximately thin is adopted, not naturally limited to this.

  As a method of forming the mouth portion 20 at the upper end of the tube-shaped body portion 30, for example, as shown in FIG. 5, the molten resin plate 20a is formed on the inner peripheral upper end portion of the tube 30a. By pressing and clamping the mandrel 100 from above with the punch 101, the resin plate 20a is press-fitted and deformed into a molding die (not shown) around the resin plate 20a, and the mouth portion 20 and the tube-shaped body portion as shown in FIG. 30 can be molded integrally.

  The bottom lid 40 is formed of a synthetic resin, and is fused and fixed to the lower end portion of the tubular body 30. In the example of FIG. 1, the connecting cylinder 42 is raised from the peripheral edge of the bottom plate 41, and the outer periphery of the connecting cylinder 42 is fused and fixed to the inner peripheral lower end of the tubular body 30.

  The fixed cover A3 is detachably fixed to the support case A1, suspends the storage container body A2, and further fixes the pump B. The top wall 51 extends from the upper edge of the peripheral wall 50, A mouth and neck part 52 having a lower end opened at the center of the top wall 51 is erected. The lower portion of the peripheral wall 50 is formed with a large diameter via the flange portion 53, and has a downward stepped shape that sandwiches the flange 22 of the storage container body A2 between the lower surface of the flange portion 53 and the upper surface of the support case A1. The clamping unit 54 is used. Furthermore, a screw 55 provided around the lower inner periphery of the peripheral wall 50 is screwed into the screw 10 at the upper end of the outer periphery of the support case A1. Further, on the inner periphery of the peripheral wall 50 above the sandwiching portion 54, an engagement protrusion 56 that engages with the engagement protrusion 23 of the storage container body A2 is provided so as to protrude from the back surface of the top wall 51. A seal cylinder 57 that is liquid-tightly fitted to the inner periphery of the mouth 20 of the storage container body A2 is provided vertically. Further, a locking protrusion 58 for locking the pump B is provided on the outer periphery of the mouth / neck 52.

  Then, as shown in FIG. 1 or FIG. 3, the upper part of the peripheral wall 50 is fitted to the outer periphery of the mouth part 20, and the engaging protrusion 56 of the fixed cover A3 is detachably engaged with the engaging protrusion 23 of the mouth part 20. In addition, the seal cylinder 57 is closely fitted to the inner peripheral surface of the mouth portion 20 and the fixed cover A3 is fitted to the upper end of the storage container body A2, and then the tubular body portion 30 is supported. The casing 22 is inserted and suspended in the case A1, and the flange 22 is pressed and clamped between the upper surface of the support case A1 and the clamping part 54 of the fixed cover A3, and the storage container body A2 and the fixed cover A3 are attached to the support case A1.

  As a pump B to be mounted on such a pump refill container A, for example, as shown in FIG. 1, a known mechanism having a mounting cap 60, a cylinder 61, an operating member 62, and the like can be cited. An engagement protrusion 64 that removably engages with an engagement protrusion 58 on the outer periphery of the mouth and neck 52 is provided around the inner periphery of the peripheral wall 63 of the attachment cap 60, and a cylinder 61 is provided at the upper inner periphery of the attachment cap 60. The upper end of is fixed. In addition, an operating member 62 that is inserted into the cylinder 61 so as to be movable up and down in an upward biased state is provided with a discharge head 66 with a nozzle 65 that constitutes the upper end, and the lower part slides in the cylinder 61. And a known mechanism linked to an annular piston (not shown). The pump B to be used is not limited to the one having the above-described configuration, and any pump may be used as long as it is inserted into the pump refill container A by inserting at least a cylinder from the mouth / neck portion 52.

  Then, the cylinder 61 is inserted from above the pump refill container A, and the pump B is mounted on the pump refill container A by fitting the mounting cap 60 to the outer periphery of the mouth neck portion 52. The storage liquid is discharged by the vertical movement of the actuating member 62. In this example, since the above-described bottom lid 40 is employed, when the liquid in the storage container body A2 decreases, as shown in FIG. The tubular body 30 contracts so as to be folded into the bottom lid 40 from the lower end, and the bottom lid 40 rises while efficiently reducing the volume.

  When the liquid in the storage container body A2 has been used up, the fixed cover A3 is unscrewed from the support case A1, the fixed cover A3 with the pump B and the storage container body A2 are removed from the support case A1, and then fixed. After the empty storage container body A2 is removed from the cover A3, the seal cap of the refill storage container body A2 is removed and attached to the fixed cover A3, it can be attached to the support case A1 again and used. As the storage container body A2 for refilling, for example, a storage container body A2 having a seal cap as shown in FIG. 2 can be adopted.

  6 to 8 show other examples, and the shape of the storage container body A2 is different. In this example, the lower end portion of the cylindrical portion 21 of the mouth portion 20 is configured as a curved portion 21a that is curved and recessed inwardly in a semicircular shape, and the upper end edge of the tubular body portion 30 is the curved portion 21a. Are embedded and fixed integrally on the upper surface of the lower end portion of each. Also in this case, it can be formed by the method of forming the mouth portion 20 described above. As shown in FIGS. 6 and 7, the bottom lid 40 in this example is in the shape of a flat plate with a connecting cylinder 42 suspended downward from the outer periphery of the bottom plate 41, and the outer periphery of the connecting cylinder 42 is similarly tubed. It is fused and fixed to the inner peripheral lower end of the cylindrical body 30. Other configurations are the same as those in the example of FIG.

  FIG. 9 to FIG. 11 show still another example. In this case as well, the shape of the storage container body A2 is different. In this example, as shown in FIG. 9 or FIG. 11, the lower end portion of the cylindrical portion 21 of the mouth portion 20 is configured as an inclined portion 21b that inclines and descends, and the upper surface of the inclined portion 21b The upper edge is embedded and fixed integrally. In this case, as shown in FIG. 12, the mandrel 100 is pressed from the lower side of the resin ring 20b and the punch 101 is pressed from the upper side of the tube 30a in which the molten resin ring 20b is formed at the upper end of the outer periphery. Thus, the mouth portion 20 and the tubular body portion 30 as shown in FIG. 10 can be integrally formed by press-fitting and deforming the resin ring 20b in a molding die (not shown) around the resin ring 20b. Other configurations are the same as those in the example of FIG.

A ... Refill container for pump
A1 ... Support case
10 ...
A2 ... Storage container
20 ... Mouth
20a ... resin plate, 20b ... resin ring, 21 ... cylindrical part, 21a ... curved part,
21b: Inclined part, 22: Flange, 23 ... Locking protrusion, 24 ... Curved surface
30 ... Tube-shaped body
30a… Tube
40… Bottom lid
41… Bottom plate, 42… Connecting cylinder
A3 ... Fixed cover
50 ... peripheral wall, 51 ... top wall, 52 ... mouth and neck, 53 ... flange, 54 ... clamping part, 55 ... screw, 56 ... engaging ridge, 57 ... seal tube, 58 ... locking ridge B …pump
60 ... Mounting cap, 61 ... Cylinder, 62 ... Activating member, 63 ... Surrounding wall, 64 ... Engagement ridge,
65 ... Nozzle, 66 ... Discharge head C ... Cap
100 ... Mandrel
101 ... Punch

Claims (4)

A refill container for a pump to be used with the pump (B) attached thereto, with a cylindrical support case (A1) and a peripheral wall (50) detachably fitted to the outer periphery of the upper end of the support case (A1), wall (50) by extending the top wall (51) from the top, and top wall (51) fixed to the cover (A3) standing upright opening to neck (52) the lower end to the central portion, the stationary cover ( A3) is detachably suspended from the storage container body (A2). The storage container body (A2) includes a mouth (20), a tubular body (30), and a bottom lid (40). includes, mouth (20) is provided with a shape retention, and a flange where the support case (A1) upper surface, clamping portion formed on the inner surface of the fixed cover wall (50) and (54), is sandwiched between the (22) projecting from the outer periphery of the tubular part (21) , the tubular body part (30) is thin and flexible, and is provided at the lower end of the tubular part (21) of the mouth part (20). The upper end is buried and fixed Constant and becomes, the bottom lid (40) is tube-like body part (30) bottom Ri name and closed infarction of the mouth portion (20) curved surface of the lower end outer face extends to the recessed upwardly inwardly of ( 24) A refill container for pumps , which is recessed in 24) and the upper end edge of the tubular body (30) is embedded and fixed on the curved surface (24) . A refill container for a pump to be used with the pump (B) attached thereto, with a cylindrical support case (A1) and a peripheral wall (50) detachably fitted to the outer periphery of the upper end of the support case (A1), A fixed cover (A3) having a top wall (51) extending from the upper part of the peripheral wall (50) and having a lower end opened at the center of the top wall (51) to stand the mouth neck (52), and a fixed cover ( A3) is detachably suspended from the storage container body (A2). The storage container body (A2) includes a mouth (20), a tubular body (30), and a bottom lid (40). The mouth portion (20) has a shape retaining property, and the flange is sandwiched between the upper surface of the support case (A1) and the clamping portion (54) formed on the inner surface of the fixed cover peripheral wall (50). (22) projecting from the outer periphery of the tubular part (21), the tubular body part (30) is thin and flexible, and is provided at the lower end of the tubular part (21) of the mouth part (20). The upper end is buried and fixed The bottom lid (40) closes the lower end of the tubular body (30), and the lower end of the tubular portion (21) of the mouth (20) is semicircular inward. A pump refill container , characterized in that it is configured as a curved portion (21a) that is curved and recessed, and the upper end edge of the tubular body portion (30) is embedded and fixed in the curved portion (21a) . A refill container for a pump to be used with the pump (B) attached thereto, with a cylindrical support case (A1) and a peripheral wall (50) detachably fitted to the outer periphery of the upper end of the support case (A1), A fixed cover (A3) having a top wall (51) extending from the upper part of the peripheral wall (50) and having a lower end opened at the center of the top wall (51) to stand the mouth neck (52), and a fixed cover ( A3) is detachably suspended from the storage container body (A2). The storage container body (A2) includes a mouth (20), a tubular body (30), and a bottom lid (40). The mouth portion (20) has a shape retaining property, and the flange is sandwiched between the upper surface of the support case (A1) and the clamping portion (54) formed on the inner surface of the fixed cover peripheral wall (50). (22) projecting from the outer periphery of the tubular part (21), the tubular body part (30) is thin and flexible, and is provided at the lower end of the tubular part (21) of the mouth part (20). The upper end is buried and fixed The bottom lid (40) closes the lower end of the tubular body (30), and lowers the lower end of the tubular portion (21) of the mouth (20) inwardly. A pump refill container, wherein the upper end edge of the tubular body (30) is embedded and fixed on the upper surface of the inclined portion (21b) . The bottom lid (40) is constructed by raising the connecting cylinder (42) from the periphery of the bottom plate (41), and the inner peripheral lower end surface of the tubular body (30) is fused and fixed to the outer periphery of the connecting cylinder (42). The refill container for a pump according to any one of claims 1 to 3, wherein the lower end of the tubular body (30) is closed .