TW201414540A - Closure lid and liquid material-containing container - Google Patents

Abstract

A closure lid and a liquid material-containing container are provided. The closure lid can be easily attached to and detached from a liquid material-containing container and exhibits high holding force capable of coping with conditions involving a barometric variation and with storage by refrigeration and freezing, etc. The closure lid for a liquid material-containing container is used to close a small-diameter opening of the container and has a base, a closure section extending downward from the substantial center of the base, a hook section provided at a position a predetermined distance away from the center of the base, a containing tube having a large-diameter opening at its upper end and the small-diameter opening at its lower end, and a flange extending sideward from an upper end section of the containing tube. The hook section is constructed from a side member extended downward from the base, a flange-holding claw extended to the closure section side from the side member, and a flange contact surface that is a side face, from which the flange-holding claw is extended, of the side member. The flange contact surface is in contact with a side face of the flange to define the rotational position of the closure lid relative to the container, and the flange holding claw prevents separation of the closure lid.

Description

Closing device and liquid material storage container

The present invention relates to a liquid material such as a low-viscosity liquid material such as a solvent or an aqueous solution, to a highly viscous material such as solder paste, silver paste, or an adhesive, and has a large-diameter opening and a small-diameter opening. a storage container, a closure device for closing the large-diameter opening of the storage container, and a liquid material storage container.

The storage container for storing the liquid material is attached to the large-diameter opening after the liquid material is filled, and is stored and transported.

A closing device for closing a large-diameter opening of a storage container is a cylindrical upper cover as disclosed in Patent Document 1, and a central portion is closed to close the open end of the cylindrical body, and the hook is engaged with the cylindrical flange shape. section. According to Patent Document 1, the upper cover has a function of preventing the upper cover from coming off the cylindrical body by the hook.

Patent Document 1: Japanese Patent Laid-Open No. Hei 11-347462

Conventionally, the upper lid type closure portion is fixed to the storage container by fitting the outer peripheral surface of the closure portion to the inner peripheral surface of the storage container to prevent the liquid material in the storage container from leaking out.

However, the fixing by the closing portion only means that it is possible to prevent the falling off during transportation, and it is necessary to fit tightly, which makes it difficult to disassemble the closing device during use. In other words, the fitting between the cylindrical body that prevents the liquid material from leaking and the central portion of the tubular body prevents the liquid material from leaking out and is in close contact with each other. Therefore, a considerable force is required when the liquid material is detached. Moreover, at the same time as this operation, the action of detaching the hook from the flange must be performed in parallel, so that the removal of the closure device is not an easy task.

On the other hand, in order to be able to change the state due to fluctuations in air pressure, such as air transportation, or to perform storage such as refrigerating/freezing, a high holding force is required, but the fitting strength cannot be reduced to improve the ease of disassembly.

In the structure of Patent Document 1, when the upper cover is attached to the cylindrical body, it is necessary to insert the central portion into the open end of the tubular body while expanding the hook so that the hook does not interfere with the flange. Installation is easy. In addition, when the closure device is detached, it is difficult to separate the central portion from the open end of the tubular body by removing the hook that is engaged with the flange.

In view of the above problems, it is an object of the present invention to provide a closure device that can be easily attached to and detached from a liquid material storage container and that has a high holding force even for a state change due to a change in air pressure or a refrigerating/freezing storage. And a liquid material storage container.

A closure device for a liquid material storage container according to a first aspect of the invention includes a base (11), a closing portion (20) extending downward from a center of the base (11), and a center portion from the base (11) a hook portion (30) disposed at a predetermined distance; and a storage cylinder having a large-diameter opening at the upper end and a small-diameter opening at the lower end, and a flange extending from the upper end portion of the storage cylinder toward the side (72) The large-diameter opening of the storage container is closed; wherein the hook portion (30) is: a side member (31) extending downward from the base (11), and a side portion (31) toward the closing portion (20) a flange retaining claw (34) extending sideways, and a flange retaining claw (34) formed by a flange abutting surface (33) on a side of the side member (31) on the extending side; a flange abutting surface ( 33) The side of the flange (72) will be abutted to regulate the rotational position of the closure means to the storage container, while the flange retaining jaws (34) prevent the closure means from falling out.

According to a second aspect of the invention, the flange (72) is a pair of flanges (72) disposed in point symmetry with respect to a center of a large-diameter opening, and the hook portion (30) is a relatively closed portion (20) The pair of hooks (30) are arranged in a point symmetrical manner at the center point.

According to a third aspect of the invention, the susceptor (11) has two sides parallel to the flange abutting surface (33).

According to a second or third aspect of the invention, the susceptor (11) has two parallel sides orthogonal to the flange abutting surface (33).

According to a fifth aspect of the invention, the side member (31) abuts the inner side surface of the flange abutting surface (33) by the inclination extending from the bottom surface of the base (11) The surface (32) is configured such that when the closure device rotates, the inclined surface (32) abuts against the flange (72) and acts to separate the closure device from the storage container.

According to a sixth aspect of the invention, the closure (20) has a sealing surface on a circumferential surface thereof.

According to a seventh aspect of the invention, in the first aspect of the invention, the upper surface of the flange holding claw (34) has a concave portion formed on a bottom surface of the flange (72) of the storage container, and belongs to The engaging portion (35) of the convex portion.

According to a still further aspect of the present invention, in the first aspect of the invention, the upper surface of the flange holding claw (34) has a convex portion that is formed on a bottom surface of the flange (72) of the storage container, The engaging portion (35) belonging to the recess.

According to a ninth invention, in the eighth aspect of the invention, the engaging portion (35) is a groove or a hole.

The liquid material storage container according to the tenth aspect of the present invention has a concave portion which is engaged with the closing device engaging portion (35) of the liquid material storage container according to any one of the seventh to ninth aspects of the flange (72). Or convex.

According to the present invention, it is possible to provide a closure device and a liquid material storage which can be easily attached to and detached from a liquid material storage container even with a state of change due to a change in air pressure, or a refrigerating/freezing storage. container.

10‧‧‧Closed appliance

11‧‧‧Base

20‧‧‧Department

21‧‧‧ annular protrusion

30‧‧‧ hook

31‧‧‧ Side members

32‧‧‧Sloping surface

33‧‧‧Flange abutment

34‧‧‧Flange retention claw

35‧‧‧Clock Department

50‧‧‧ storage container

51‧‧‧Liquid materials

60‧‧‧ Storage Department

61‧‧‧ storage cartridge

62‧‧‧Small aperture opening

63‧‧‧Inner tube

64‧‧‧Outer tube

65‧‧‧Continuous ditch

66‧‧‧Spiral groove

70‧‧‧Flange

71‧‧‧ Large opening

72‧‧‧Flange

80‧‧‧ side

Fig. 1 is a perspective view of a closure device of the first embodiment.

2(a) and 2(b) are side cross-sectional views showing the storage container of the first embodiment.

Fig. 3 is a front elevational view of the closure device of the first embodiment.

Figure 4 is a front cross-sectional view of the closure device of the first embodiment.

Fig. 5 is a left side view of the closure device of the first embodiment.

Figure 6 is a bottom plan view of the closure device of the first embodiment.

Fig. 7 is a cross-sectional side view showing an essential part of the closure device of the first embodiment when it is mounted.

Figure 8a is a plan view of the closure device when it is mounted on a large diameter opening.

Fig. 8b is a plan view showing the state in which the closure device is rotated by about 45 degrees from the state shown in Fig. 8a.

Figure 8c is a rotation of the closure device about 45 degrees from the state shown in Figure 8b, and when the installation is completed Floor plan.

Figure 9a is a side elevational view of the state in which the closure device has been installed.

Figure 9b is a side view of the closure device rotated about 45 degrees from the state shown in Figure 9a.

Fig. 9c is a side view showing the state in which the closure device is rotated by about 45 degrees from the state shown in Fig. 9b in a detachable state.

Figure 9d is a side view of the closure device when it is removed.

Figure 10 is a front elevational view of the closure device of the second embodiment.

Figure 11 is a left side view of the closure device of the second embodiment.

Figure 12 is a bottom plan view of the closure device of the second embodiment.

Fig. 13 is a perspective view showing the engaging portion of the capping device of the third embodiment.

Figure 14 is a side view of the flange portion of the storage container of the third embodiment.

Fig. 15 is a side view showing the state in which the closure device of the third embodiment is mounted.

Fig. 16 is a perspective view showing an engaging portion of the closure device of the fourth embodiment.

Figure 17 is a side view of the flange portion of the storage container of the fourth embodiment.

Fig. 18 is a side view showing the state in which the closure device of the fourth embodiment is mounted.

Fig. 19 is a perspective view showing the engaging portion of the capping device of the fifth embodiment.

Figure 20 is a side view of the flange portion of the storage container of the fifth embodiment.

A closure device 10 according to a preferred embodiment of the present invention includes a base 11, a closing portion 20 extending downward from a center of the base 11 and a point symmetrical with respect to a predetermined distance from the center of the base 11. a pair of hook portions 30; and a liquid material storage container closure device that closes the large-diameter opening 71 of the storage container 50 having the storage cylinder 61 and the pair of flanges 72 With. The storage cylinder 61 has a large-diameter opening 71 at the upper end and a small-diameter opening 62 at the lower end. The pair of flanges 72 extend from the upper end portion of the storage cylinder 61 toward the side and are arranged in point symmetry.

The hook portion 30 is characterized by: a side member 31 extending downward from the base 11 , a flange holding claw 34 extending from the side member 31 toward the closing portion 20 side, and a flange holding claw 34 extending The flange abutting surface 33 on the side of the side side member 31 is formed, and the flange abutting surface 33 abuts against the side of the flange 72, and regulates the rotational position of the closure device 10 to the storage container 50 while the flange remains The claw 34 prevents the closure device 10 from coming off.

Which position the side member 31 is placed on the base 11 is determined in accordance with the relationship between the shape of the base 11 and the shape of the flange 72. The configuration of the side members 31 is as shown in Fig. 1, and is disclosed on the side edges of the susceptor 11, but is not limited thereto.

The configuration of the flange retaining claws 34 is as shown in Fig. 5, and is disclosed to extend parallel to the base 11, but may also extend angularly.

In the preferred embodiment of the closure device 10, the side member 31 is adjacent to the inner side surface of the flange abutting surface 33, and is formed by an inclined surface 32 extending from the bottom surface of the base 11, and is rotated by the closure device 10. At this time, the inclined surface 32 will abut against the flange 72 and act to force the closure device away from the storage container.

As shown in FIG. 6, the configuration of the inclined surface 32 reveals a slightly trapezoidal shape in which the inner side surface has an arc shape, but is not limited thereto.

Further, it is characterized in that the flange holding claw 34 has an engaging portion 35 that engages with a convex portion or a concave portion formed on the bottom surface of the flange 72 of the storage container 50.

Hereinafter, the details of the present invention will be described using the embodiments, but the present invention is not Subject to any limitations of these embodiments.

[Example 1]

The capping device 10 of the present embodiment is as shown in Fig. 1. The main components are: a base 11 of a flat plate-like member having a leaf shape, and a closing portion 20 extending downward from a central portion of the base 11 And a pair of hooks 30 formed at the edge of the base 11.

The closing portion 20 is provided with an annular projection 21 on the outer peripheral surface. The hook portion 30 is composed of a side member 31, an inclined surface 32, a flange abutting surface 33, and a flange holding claw 34, and the pair of hook portions 30, 30 are point-symmetric with respect to a center point of the closing portion 20. And equipped.

The storage container 50 of the present embodiment is mainly composed of a member storage portion 60 and a flange portion 70 as shown in FIG.

The storage unit 60 is composed of a storage cylinder 61 that stores a liquid, an inner cylinder 63 that is smaller than the storage cylinder 61 and that communicates the storage cylinder 61 with the storage space, and is formed continuously from the outer circumferential surface of the storage cylinder 61. The outer cylinder 64, the joint groove 65 formed between the outer cylinder 64 and the inner cylinder 63, and the spiral groove 66 formed in the joint groove 65 and fitted with the closing device for the small-diameter opening.

The flange portion 70 is composed of a large-diameter opening 71 provided at the center of the upper end portion of the storage cylinder 61, and a flange 72 extending from the upper end portion of the storage cylinder 61 toward the side.

The structure of the closure device 10 of the present embodiment will be described in detail with reference to FIGS. 3 to 7.

Figure 3 is a front elevational view of the closure device 10 of the present embodiment, Figure 4 is a front cross-sectional view of the closure device 10, Figure 5 is a left side view of the closure device 10, and Figure 6 is a closure device. 10's bottom view.

The base 11 is provided at the edge portion: 2 is formed by a straight line parallel to the flange abutting surface 33. The sides and the parallel sides of the straight line orthogonal to the flange abutting surface 33 are formed. Since the two parallel sides formed by straight lines are provided, the degree of rotation during loading and unloading can be visually confirmed.

The closing portion 20 is a cylindrical member having an annular projection 21 on its side surface, and when inserted into the large-diameter opening, the annular projection 21 becomes a sealing surface.

The side members 31 extend downward from the side edges of the base 11. One of the two inner side faces of the side member 31 will constitute the inclined face 32, and the other constitutes the flange abutment face 33. From the flange abutment surface 33, the flange retaining claws 34 extending parallel to the plate-like members of the base 11 will be extended. As shown in Fig. 5, the flange holding claws 34, the base 11 and the side members 31 are arranged to be slightly viewed from the side. "shape. Further, as shown in FIG. 6, the flange holding claw 34 and the inner side surface of the inclined surface 32 form an arc which faces the closing portion 20, and the hook portion 30 viewed from the bottom surface side will have a shape of a slightly returning rod. The interval between the inclined surface 32 and the flange holding claw 34 has a space at which the flange 72 can be invaded.

Figure 7 is a cross-sectional side view showing an important part of the closure device 10 when it has been installed. The mounting state of the closure device 10 is such that one side of the flange 72 of the storage container 50 will abut against the abutment surface 33 of the closure device 10, a portion of which will be retained by the flange retaining jaw 34 and the base 11. In the gap. By the flange holding claw 34, the capping device 10 is prevented from moving upward against the flange 72, and the capping device 10 can be prevented from coming off. Further, in the mounted state of the capping device 10, the flange holding claws 34 are not necessarily in contact with the back surface of the flange 72 (and may be kept spaced) as long as the force is applied to cause the capping device 10 to come off, the flange retaining claws 34 can maintain the flange 72, enough to prevent falling off.

The mounting sequence of the closure device 10 of the present embodiment will be described in detail with reference to Figs. 8a to 8c.

In the attachment of the closure device 10 of the present embodiment, first, the closure portion 20 of the closure device 10 is inserted into the large-diameter opening 71. The closing portion 20 can be inserted by a linear motion. However, since there is also a resistance of the annular projection 21, it is preferable to make the closure device 10 facing from the position shown in Fig. 8a to the position shown in Fig. 8b. When the right rotation is performed, the insertion of the closing portion 20 can be performed without requiring a strong force. If the closure device 10 is rotated further to the right from the position shown in Fig. 8b, the flange 72 will intrude into the gap between the flange holding claw 34 and the base 11. If it rotates further to the right, the side surface of the flange 72 and the flange abutting surface 33 will abut, and the rotation of the closure device 10 cannot be performed, and the attachment of the closure device 10 is completed. Further, when the mounting is completed, since the two sides of the susceptor 11 which are formed by the straight line parallel to the flange abutting surface 33 are parallel to the flange 72, the degree of rotation can be visually confirmed.

The detachment sequence of the closure device 10 of the present embodiment will be described in detail with reference to Figs. 9a to 9d.

Figure 9a shows a side view of the state in which the closure device has been installed. In the present embodiment, the detachment of the closure device 10 is performed in the state shown in Fig. 9a by performing reverse rotation (left rotation) when the closure device 10 is mounted. That is, when the closure device 10 is rotated to the left, the upper surface of the flange 72 is moved along the inclined surface 32, whereby the force of the closure device 10 is released from the storage container 50, and the horizontal position of the closure device 10 is passed. The state shown in Fig. 9b becomes the state shown in Fig. 9c. From the state shown in Fig. 9c, by applying a force obliquely upward to one of the rims 11, the capping device 10 can be detached as shown in Fig. 9d. Further, when the flange 72 reaches the end of the inclined surface, the base 11 is formed by two parallel lines orthogonal to the flange abutting surface 33, and will be parallel to the flange 72, so that the degree of rotation can be visually confirmed.

As described above, according to the closure device of the present embodiment, by the combination of the rotation operation and the inclined surface 32, the storage device can be attached and detached to the storage container without requiring a strong force.

[Embodiment 2]

The capping device 10 of the present embodiment is different from the capping device of the first embodiment in that the inclined surface 32 is not provided and the engaging portion 35 is provided.

Fig. 10 is a front elevational view of the closure device 10 of the present embodiment, Fig. 11 is a bottom view of the closure device 10, and Fig. 12 is a left side view of the closure device 10.

As shown in FIG. 10, since the capping device 10 of the present embodiment is not provided with the inclined surface 32, the side surface 80 orthogonal to the abutting surface 33 of the side member 31 is configured to be perpendicular to the susceptor 11. As shown in FIG. 11, the hook portion 30 viewed from the bottom surface side has a shape in which a substantially trapezoidal shape-shaped flange holding claw 34 having an arcuate inner side surface is attached to the square side member 31.

As shown in Fig. 12, the flange holding claw 34 of the present embodiment is provided with an engaging portion 35 on the upper surface of the front end. As shown in FIG. 13, the engaging portion 35 is a groove-like recess and is engaged with the convex portion provided in the storage container 50. Further, the engaging portion 35 constitutes a gently arcuate groove, and its shape is a design matter determined in accordance with the relationship with the anti-rotation suppression force. Figure 14 shows the storage container 50 of the present embodiment with a raised portion formed below the flange 72. As shown in Fig. 15, in a state in which the capping device 10 is attached, the engaging portion 35 is engaged with the convex portion provided on the flange 72, and the capping device 10 is prevented from proceeding in the reverse rotation direction at the time of mounting. Rotate.

The mounting procedure of the closure device 10 of the present embodiment constructed as described above is carried out in the same order as the closure device of the first embodiment. In addition, when the closing device 10 is rotated to the right, when the engaging portion 35 of the closing device 10 is engaged with the convex portion of the storage container 50, it is possible to confirm the closing device by gently vibrating by the hand. 10 has been installed.

Further, the detachment procedure of the closure device 10 of the present embodiment is carried out as in the closure device of the first embodiment, by performing the reverse rotation (left rotation) at the time of attachment of the closure device 10. this In the embodiment, when the rotation is started, the convex portion of the flange 72 is removed from the engaging portion 35, and it is necessary to perform a slightly strong rotation (however, since the engaging portion 35 is a gentle arc-shaped groove, Does not need how to apply force). Further, since the inclined surface 32 is not provided, the force of the closure device 10 to be separated from the storage container 50 must be manually acted upon.

[Example 3]

The capping device 10 of the present embodiment is improved by the engaging portion 35 provided in the capping device of the second embodiment.

Figure 16 is a perspective view showing the engaging portion 35 of the capping device 10 of the present embodiment. Figure 17 is a side view of the flange portion 70 of the storage container 50, and Figure 18 is a view showing the capping device 10 attached thereto. A side view of the state on the storage container 50.

As shown in Fig. 16, the engaging portion 35 of the present embodiment is constituted by a convex portion which is perpendicular to the upper surface of the flange holding claw 34. Fig. 17 shows a stock container 50 of the present embodiment, and a recess is formed below the flange 72. As shown in FIG. 18, in a state in which the capping device 10 is attached, the engaging portion 35 is engaged with the recessed portion provided in the flange 72, and prevents the capping device 10 from rotating in the reverse rotation direction at the time of mounting.

The engaging portion 35 of the present embodiment is engaged with the side surface of the flange 72 that is perpendicular to the upper surface of the flange holding claw 34 that constitutes the engaging portion 35, and is prevented from being reversely rotated during mounting. Unlike Embodiment 2, since the vertical surface is prevented from performing reverse rotation with the mounting, a stronger rotation preventing effect can be achieved.

The order of attachment of the closure device 10 of the present embodiment constructed as described above is carried out in the same order as the closure device of the second embodiment. The detachment sequence of the closure device 10 of the present embodiment is to remove the engaging portion 35 from the recess of the flange 72 except at the beginning of the reverse rotation. The same procedure is followed in the same order as the closure device of the second embodiment, except that the rotation is strong, or the flange holding claw 34 is flexed by the finger to be released after the engagement is released.

[Example 4]

The capping device 10 of the present embodiment is improved by the engaging portion 35 provided in the capping device of the second embodiment.

Fig. 19 is a perspective view showing the engaging portion 35 of the capping device 10 of the present embodiment, and Fig. 20 is a side view showing the flange portion 70 of the storage container 50.

As shown in Fig. 19, the engaging portion 35 of the present embodiment is constituted by a hole-shaped recess. Figure 20 shows the storage container 50 of the present embodiment with a raised portion formed below the flange 72. As in the second embodiment, in a state in which the capping device 10 is attached, the engaging portion 35 is engaged with the recess provided in the flange 72, and the capping device 10 is prevented from rotating in the reverse rotation direction at the time of mounting.

The mounting procedure of the closure device 10 of the present embodiment constructed as described above is carried out in the same order as the closure device of the second embodiment. Further, the order of detachment of the closure device 10 of the present embodiment is also performed in the same order as the closure device of the second embodiment.

11‧‧‧Base

20‧‧‧Department

31‧‧‧ Side members

32‧‧‧Sloping surface

33‧‧‧Flange abutment

34‧‧‧Flange retention claw

Claims (11)

A closure device for a liquid material storage container, comprising a base (11), a closing portion (20) extending downward from a substantially central portion of the base (11), and a predetermined distance from a center of the base (11) a hook portion (30); and a large diameter having a storage cylinder having a large-diameter opening at the upper end and a small-diameter opening at the lower end, and a storage container having a flange (72) extending from the upper end portion of the storage cylinder toward the side The opening device is closed; the closure device for the liquid material storage container is characterized in that the hook portion (30) is configured to include: a side member (31) extending downward from the base (11); a flange holding claw (34) extending toward the closing portion (20) side of the member (31); and a flange abutting surface (33) on the side of the side member (31) on the side where the flange holding claw (34) extends The base (11), the flange retaining claw (34) and the side members (31) are formed substantially on the side substantially orthogonal to the flange abutting surface (33). The zigzag, if the inserted closure device is rotated in one direction, the flange (72) will invade the gap between the flange holding claw (34) and the base (11), so that the side of the flange (72) is located The flange abutting surface (33) in the forward direction abuts and becomes a stop position at which the closing device stops the rotation of the storage container, and the closing device is detached by rotating from the stop position in a direction opposite to the one direction. The closure device for a liquid material storage container according to the first aspect of the invention, wherein the side surface of the flange (72) that is not in contact with the flange abutting surface (33) at the stop position is not Covered by the side members (31). The closure device for a liquid material storage container according to the second aspect of the invention, wherein the flange (72) is a pair of flanges arranged in point symmetry with respect to a center of the large-diameter opening (72) The hook portion (30) is a pair of hook portions (30) disposed in point symmetry with respect to a center point of the closing portion (20). The closure device for a liquid material storage container according to claim 3, wherein the base (11) includes two sides having a portion substantially parallel to the flange abutting surface (33), and the two sides are configured as The pair of flanges (72) are exposed at a position rotated by 90 degrees from the above-described stop position. The closure device for a liquid material storage container according to claim 3, wherein the base (11) includes two sides having substantially parallel portions orthogonal to the flange abutting surface (33), and The two sides are configured to expose the pair of flanges (72). The closure device for a liquid material storage container according to any one of claims 1 to 3, wherein the upper surface of the flange holding claw (34) has a bottom surface of the flange (72) of the storage container. The formed recesses are engaged with each other and belong to the engaging portion (35) of the convex portion. The closure device for a liquid material storage container according to any one of claims 1 to 3, wherein the upper surface of the flange holding claw (34) has a bottom surface of the flange (72) of the storage container. The formed convex portions are engaged with each other and belong to the engaging portion (35) of the concave portion. The closure device for a liquid material storage container according to claim 7, wherein the engaging portion (35) is a groove or a hole. A liquid material storage container having a patented range under the flange (72) The recessed portion or the convex portion of the closing member fitting portion (35) of the liquid material storage container of the sixth item. A liquid material storage container having a recess or a convex portion that is engaged with a closure member engagement portion (35) of the liquid material storage container of claim 7 under the flange (72). The closure device for a liquid material storage container according to any one of claims 1 to 3, wherein the closure portion (20) has an annular projection that becomes a sealing surface on a side surface thereof.