JP4986600B2 - Closure and liquid material storage container - Google Patents

Description

  The present invention stores liquid materials ranging from low-viscosity liquid materials such as solvents and aqueous solutions to high-viscosity materials such as solder paste, silver paste, and adhesive, and has a large-diameter opening of a storage container having a large-diameter opening and a small-diameter opening. The present invention relates to a closing lid and a liquid material storage container.

The storage container for storing the liquid material is stored or transported after being filled with the liquid material, with a lid attached to the large-diameter opening.
As a closure for closing a large-diameter opening of a storage container, for example, in Patent Document 1, an upper lid of a cylinder in which a central portion is closed to be fitted into an open end of a cylinder and a hook engages with a flange-like portion of the cylinder. Is disclosed. The upper lid according to Patent Document 1 acts to prevent the upper lid from being detached from the cylinder by the hook.
JP-A-11-347462

Many of the conventional closure types of the upper lid type are fixed to the storage container by fitting the outer peripheral surface of the closure part with the inner peripheral surface of the storage container, and prevent leakage of the liquid material in the storage container. .
However, in the fixing only by fitting the closing portion, it is necessary to tighten the fitting in order to prevent the dropout during transportation, and it is difficult to remove the lid during use. That is, since the fitting between the cylinder for preventing leakage of the liquid material and the center portion of the cylinder is in close contact with each other so as to prevent the leakage of the liquid material, a considerable force is required to detach it. Moreover, since it is necessary to perform an operation of removing the hook from the flange in parallel with this operation, it is not easy to remove the lid.
On the other hand, in order to cope with conditions involving air pressure fluctuations such as air transportation, refrigeration / freezing storage, etc., high holding power is required, so the strength of fitting cannot be weakened to enhance ease of removal. .

  In the configuration of Patent Document 1, when attaching the upper lid to the cylinder, it is necessary to insert the center portion into the cylinder open end while expanding the hook so that the hook does not interfere with the flange. In addition, when the lid is detached, it is not easy to remove since the center part needs to be detached from the cylinder open end while removing the hook engaging with the flange.

  In view of the above problems, the present invention provides a lid and a liquid material storage container that can be easily attached to and detached from a liquid material storage container and have a high holding power that can be used in a state involving atmospheric pressure fluctuations, refrigerated storage, and freezing storage. The purpose is to provide.

According to a first aspect of the present invention, there is provided a base (11), a closing portion (20) extending downward from substantially the center of the base (11), and a hook portion (30) provided at a predetermined distance from the center of the base (11). And a storage cylinder having a large-diameter opening at the upper end and a small-diameter opening at the lower end, and a collar (72) extending laterally from the upper end portion of the storage cylinder, the liquid closing the large-diameter opening of the storage container It is a lid for a material storage container, and a hook portion (30) includes a side member (31) extending downward from the base (11) and a side member (31) to the closing portion (20) side. a collar retaining claws (34) which is extended, it is configured to include a flange abutment surface (33) is a side of the side of the side member flange holding claw (34) is extended (31) and inserted When the lid is rotated in one direction, the collar (72) enters the gap between the collar holding claw (34) and the base (11). , Side and its flange contact surface in the direction of travel (33) and becomes the stopping position the rotation of the closure relative to the storage container in contact is stopped, one direction opposite to the direction from the stop position of the collar (72) the closure is detached by rotating the inner surface adjacent the collar contact surface (33) of said side members (31), inclined surfaces extending from the bottom surface of the base (11) (32 Of the liquid material storage container, wherein the inclined surface (32) abuts on the collar (72) during the rotation of the closure and acts to separate the closure from the storage container. It is a closure.
According to a second invention, in the first invention, the side surface of the collar (72) that does not contact the collar contact surface (33) is not covered with the side member (31) in the stop position. It is characterized by that.
According to a third invention, in the first or second invention, the collar (72) is a pair of collars (72) disposed symmetrically with respect to the center of the large-diameter opening, and the hook portion (30) is The pair of hook portions (30) are arranged symmetrically with respect to the center point of the closing portion (20) .
In a fourth aspect based on the third aspect, the base (11) has two sides having a portion substantially parallel to the collar contact surface (33), and the collar (72) is exposed. It has two sides .
According to a fifth invention, in the third or fourth invention, the base (11) is two sides having a substantially parallel portion orthogonal to the collar contact surface (33), and the collar (72) is exposed. characterized in that it have a configured two sides as.
A sixth invention is characterized in that, in any one of the first to fifth inventions, the closing portion (20) has a seal surface on its peripheral surface.
A seventh aspect of the present invention is the engagement according to any one of the first to sixth aspects, wherein the protrusion is a protrusion that engages with the recess formed on the bottom surface of the collar (72) of the storage container on the upper surface of the collar holding claw (34). It has a part (35), It is characterized by the above-mentioned.
In an eighth aspect of the present invention, in any one of the first to sixth aspects, the hook is a concave portion that engages with the convex portion formed on the bottom surface of the collar (72) of the storage container on the upper surface of the collar holding claw (34). It has a part (35), It is characterized by the above-mentioned.
A ninth invention is characterized in that, in the eighth invention, the engaging portion (35) is a groove or a hole.
A tenth aspect of the present invention is a liquid material storage having a recess or a projection on the lower surface of the collar (72) that engages with the hook (35) of the lid of the liquid material storage container according to any of the seventh to ninth inventions. It is a container.

  According to the present invention, there are provided a lid and a liquid material storage container that can be easily attached to and detached from a liquid material storage container, and have a high holding power corresponding to a state involving atmospheric pressure fluctuation, refrigeration / freezing storage, and the like. be able to.

The closure 10 of the best mode for carrying out the present invention is arranged in a point-symmetric manner at a predetermined distance from the base 11, the closing portion 20 extending downward from the approximate center of the base 11, and the center of the base 11. A storage cylinder 61 having a large-diameter opening 71 at the upper end and a small-diameter opening 62 at the lower end, and a point-symmetrical arrangement extending laterally from the upper end of the storage cylinder 61. This is a liquid material storage container lid that closes the large-diameter opening 71 of the storage container 50 including a pair of flanges 72.
The hook portion 30 includes a side member 31 extending downward from the base 11, a collar holding claw 34 extending from the side member 31 toward the closing portion 20, and a side on the side where the collar holding claw 34 is extended. It is comprised from the collar contact surface 33 which is the side surface of the member 31, and the collar contact surface 33 contacts the side surface of the collar 72 to define the rotational position of the closure 10 with respect to the storage container 50, and the collar holding claw 34 The detachment of the closure 10 is prevented.
The location where the side member 31 is provided on the base 11 is determined by the relationship between the shape of the base 11 and the shape of the collar 72. As a configuration aspect of the side member 31, as shown in FIG. 1, it is disclosed that the side member 31 is provided on the side edge of the base 11, but is not limited thereto.
As shown in FIG. 5, it is disclosed that the collar holding claw 34 extends in parallel with the base 11, but it may be extended at an angle.

In the best form of the lid 10, the inner side surface adjacent to the flange contact surface 33 of the side member 31 is constituted by the inclined surface 32 extending from the bottom surface of the base 11, and the lid 10 is rotated when the lid 10 is rotated. The inclined surface 32 is in contact with the upper surface of the collar 72 and acts to separate the lid from the storage container.
As a configuration aspect of the inclined surface 32, as shown in FIG. 6, a substantially trapezoidal shape having an arcuate inner surface is disclosed, but is not limited thereto.
Moreover, it has the engaging part 35 which engages with the convex part or recessed part formed in the bottom face of the collar 72 of the storage container 50 in the upper surface of the collar holding claw 34, It is characterized by the above-mentioned.

  Hereinafter, the details of the present invention will be described with reference to examples, but the present invention is not limited to these examples.

As shown in FIG. 1, the closing device 10 of the present embodiment includes a base 11 that is a flat plate-like member having a substantially leaf shape, and a blocking portion 20 that extends downward from a substantially central portion of the base 11. A pair of hook portions 30 formed on the edge portion of the base 11 are main components.
The closing part 20 has an annular protrusion 21 on the outer peripheral surface. The hook portion 30 includes a side member 31, an inclined surface 32, a collar contact surface 33, and a collar holding claw 34, and the pair of hook portions 30 and 30 are point-symmetric with respect to the center point of the closing portion 20. Arranged.

As shown in FIG. 2, the storage container 50 of the present embodiment includes a storage part 60 and a collar part 70 as main components.
The storage unit 60 is continuous with the storage cylinder 61 in which the liquid is stored, the inner cylinder 63 having a smaller diameter than the storage cylinder 61 and formed in communication with the storage space, and the outer peripheral surface of the storage cylinder 61. An outer cylinder 64 to be formed, a connection groove 65 formed between the outer cylinder 64 and the inner cylinder 63, and a spiral groove 66 formed in the connection groove 65 and fitted with a closure for small-diameter opening. Consists of
The collar portion 70 includes a large-diameter opening 71 provided at the center of the upper end portion of the storage cylinder 61 and a collar 72 extending laterally from the upper end portion of the storage cylinder 61.

The structure of the closure 10 of a present Example is demonstrated in detail along FIGS. 3-7.
FIG. 3 is a front view of the closing tool 10 of the present embodiment, FIG. 4 is a front sectional view of the closing tool 10, FIG. 5 is a left side view of the closing tool 10, and FIG. 3 is a bottom view of the tool 10. FIG.
The base 11 has two sides formed by straight lines parallel to the collar contact surface 33 and two parallel sides formed by straight lines orthogonal to the collar contact surface 33 at the edge thereof. Since it has two parallel sides consisting of straight lines, it is possible to visually check the rotation state at the time of desorption.
The blocking portion 20 is a columnar member provided with an annular protrusion 21 on its side surface, and the annular protrusion 21 becomes a seal surface when inserted into the large-diameter opening.
The side member 31 extends downward from the side edge of the base 11. One of the two inner surfaces of the side member 31 forms an inclined surface 32, and the other forms a collar contact surface 33. A collar holding claw 34 that is a plate-like member parallel to the base 11 extends from the collar contact surface 33. As shown in FIG. 5, the collar holding claws 34, the base 11, and the side members 31 are configured in a substantially U shape when viewed from the side. Moreover, as shown in FIG. 6, the inner surface of the collar holding claw 34 and the inclined surface 32 forms an arc facing the closing portion 20, and the hook portion 30 viewed from the bottom side has a substantially boomerang shape. The interval between the inclined surface 32 and the collar holding claw 34 is an interval at which the collar 72 can enter with a margin.

  FIG. 7 is a cross-sectional side view of an essential part when the closure 10 is mounted. When the lid 10 is attached, one side surface of the collar 72 of the storage container 50 abuts against the abutting surface 33 of the lid 10, and a part of the collar 72 is held in the gap between the collar holding claw 34 and the base 11. Is done. The collar holding claw 34 prevents the collar 72 from moving upward of the closure 10, thereby preventing the closure 10 from being detached. In addition, in the mounting state of the lid 10, it is not essential that the collar holding claw 34 is in contact with the back surface of the collar 72 (it may be separated), and a force for detaching the lid 10 acts. In this case, it is sufficient that the collar holding claw 34 holds the collar 72 to prevent the separation.

A procedure for mounting the closing tool 10 of the present embodiment will be described in detail with reference to FIGS.
In mounting the lid 10 of this embodiment, first, the closing portion 20 of the lid 10 is inserted into the large-diameter opening 71. The closing part 20 can be inserted by a linear motion, but since there is also a resistance of the annular protrusion 21, it is preferable to perform while rotating the closure 10 rightward from the position of FIG. 8a to the position of FIG. Thereby, the obstruction | occlusion part 20 can be inserted, without requiring strong force. When the lid 10 is further rotated clockwise from the position of FIG. 8 b, the collar 72 enters the gap between the collar holding claw 34 and the base 11. When further rotated to the right, the side surface of the collar 72 and the collar abutment surface 33 come into contact with each other, so that the closure tool 10 cannot be rotated, and the attachment of the closure tool 10 is completed. When the mounting is completed, the two sides formed by straight lines parallel to the collar contact surface 33 of the base 11 are parallel to the collar 72, so that the rotation can be visually confirmed.

A procedure for detaching the closing tool 10 of the present embodiment will be described in detail with reference to FIGS.
FIG. 9 a is a side view of the state in which the closure is mounted. The removal of the closing tool 10 of the present embodiment is performed by rotating the closing tool 10 in the reverse direction (left rotation) from the state shown in FIG. 9A. That is, when the lid 10 is rotated counterclockwise, the upper surface of the collar 72 is moved along the inclined surface 32, whereby a force for moving the lid 10 away from the storage container 50 is applied, and the horizontal direction of the lid 10 is applied. The position becomes the state shown in FIG. 9c after the state shown in FIG. 9b. By applying a force obliquely upward to one edge of the base 11 from the state of FIG. 9c, the closure 10 can be detached as shown in FIG. 9d. When the collar 72 reaches the end of the inclined surface, the two sides formed by parallel straight lines orthogonal to the collar contact surface 33 of the base 11 are parallel to the collar 72. it can.

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

The closure 10 of the present embodiment is different from the closure of the first embodiment in that it does not have the inclined surface 32 and has a hooking portion 35.
FIG. 10 is a front view of the closing tool 10 of this embodiment, FIG. 11 is a bottom view of the closing tool 10, and FIG. 12 is a left side view of the closing tool 10.
As shown in FIG. 10, the closure 10 of the present embodiment does not have the inclined surface 32, so that the side surface orthogonal to the contact surface 33 of the side member 31 is configured vertically with the base 11. As shown in FIG. 11, the hook portion 30 viewed from the bottom side has a shape in which a substantially trapezoidal collar holding claw 34 having an arcuate inner surface is added to a rectangular side member 31.
As shown in FIG. 12, the collar holding claw 34 of the present embodiment is provided with a hooking portion 35 on the upper surface in the vicinity of the tip portion. As shown in FIG. 13, the hooking portion 35 is a groove-like concave portion and hooks with a convex portion provided in the storage container 50. The engaging portion 35 is a gentle arc-shaped groove, but its shape is a design matter determined in relation to the reverse rotation inhibiting force. FIG. 14 shows the storage container 50 of the present embodiment, and a convex portion is formed on the lower surface of the collar 72. As shown in FIG. 15, in a state where the lid 10 is mounted, the hook 35 is engaged with a convex portion provided on the collar 72, and the lid 10 is rotated in the reverse direction to that during mounting. To prevent.

The mounting procedure of the lid 10 of the present embodiment configured as described above is performed by the same procedure as that of the lid of the first embodiment. In addition, when the lid 10 is rotated to the right, when the hooking portion 35 of the lid 10 is hooked with the convex portion of the storage container 50, the mounting of the lid 10 is completed by light vibration felt by the hand. You can confirm that.
Further, the detaching procedure of the lid 10 of the present embodiment is performed by rotating the lid 10 in the reverse direction (left rotation) as in the case of the lid of the first embodiment. In this embodiment, in order to remove the convex portion of the collar 72 from the engaging portion 35 at the start of rotation, it is necessary to perform a slightly strong rotation (however, since the engaging portion 35 is a gentle arc-shaped groove, It does n’t require that much power.) Further, since the inclined surface 32 is not provided, it is necessary to manually apply a force for separating the lid 10 from the storage container 50.

The closing tool 10 of the present embodiment is an improvement of the engaging portion 35 of the closing tool of the second embodiment.
16 is a perspective view of the engaging portion 35 of the closure 10 of the present embodiment, FIG. 17 is a side view of the collar portion 70 of the storage container 50, and FIG. 18 is a diagram showing that the closure 10 is attached to the storage container 50. FIG.
As shown in FIG. 16, the engaging portion 35 of the present embodiment is configured by a convex portion whose one side surface is perpendicular to the upper surface of the collar holding claw 34. FIG. 17 shows a storage container 50 of this embodiment, and a recess is formed on the lower surface of the collar 72. As shown in FIG. 18, in a state where the lid 10 is mounted, the hooking portion 35 is hooked with a recess provided in the collar 72 to prevent the lid 10 from rotating in the reverse direction to that during mounting. To do.
The hook portion 35 of the present embodiment prevents the upper surface and the vertical side surface of the collar holding claw 34 constituting the hook portion 35 from engaging with the concave portion of the collar 72, thereby preventing reverse rotation from the time of mounting. Unlike the second embodiment, since it is prevented from rotating reversely at the time of mounting on a vertical surface, a stronger anti-rotation effect is achieved.

  The mounting procedure of the lid 10 of the present embodiment configured as described above is performed by the same procedure as that of the lid of the second embodiment. The detaching procedure of the lid 10 of the present embodiment is to release the engagement by rotating strongly to remove the engagement portion 35 from the recess of the collar 72 at the start of reverse rotation or by bending the collar holding claw 34 with a finger. Then, the same procedure as that of the lid closure of Example 2 is performed except that it is rotated.

The closing tool 10 of the present embodiment is an improvement of the engaging portion 35 of the closing tool of the second embodiment.
FIG. 19 is a perspective view of the engaging portion 35 of the closure 10 of the present embodiment, and FIG. 20 is a side view of the collar portion 70 of the storage container 50.
As shown in FIG. 19, the engaging part 35 of a present Example is comprised by the hole-shaped recessed part. FIG. 20 shows the storage container 50 of the present embodiment, and a convex portion is formed on the lower surface of the collar 72. As in the second embodiment, when the lid 10 is mounted, the hook 35 is engaged with the recess provided in the collar 72, and the lid 10 is prevented from rotating in the reverse direction to that of the hook. To do.

  The mounting procedure of the lid 10 of the present embodiment configured as described above is performed by the same procedure as that of the lid of the second embodiment. In addition, the procedure for detaching the lid 10 of the present embodiment is also performed by the same procedure as that for the lid of the second embodiment.

1 is a perspective view of a closure device according to Embodiment 1. FIG. 1 is a side cross-sectional view of a storage container according to Example 1. FIG. It is a front view of the closure tool concerning Example 1. FIG. 1 is a front cross-sectional view of a lid closing tool according to Embodiment 1. FIG. FIG. 3 is a left side view of the closure device according to the first embodiment. FIG. 3 is a bottom view of the closure device according to the first embodiment. It is a principal part cross-sectional side view at the time of the closure mounting | wearing which concerns on Example 1. FIG. It is a top view at the time of mounting | wearing a large diameter opening with a closure tool. It is a top view at the time of rotating a closure tool about 45 degree | times from FIG. 8a. It is a top view at the time of rotating a closure tool about 45 degree | times from FIG. 8b, and completing mounting | wearing. It is a side view of the state which equipped the closure tool. It is a side view at the time of rotating a closure tool about 45 degree | times from FIG. 9a. FIG. 9b is a side view when the lid is rotated about 45 degrees from FIG. It is a side view at the time of removing a closing tool. FIG. 6 is a front view of a closing tool according to a second embodiment. FIG. 10 is a left side view of the lid closing tool according to the third embodiment. FIG. 6 is a bottom view of a closure device according to a second embodiment. It is a perspective view of the engaging part of the closing tool which concerns on Example 3. FIG. It is a side view of the collar part of the storage container which concerns on Example 3. FIG. It is a side view at the time of lid closure mounting concerning Example 3. It is a perspective view of the engaging part of the closing tool which concerns on Example 4. FIG. It is a side view of the collar part of the storage container which concerns on Example 4. FIG. It is a side view at the time of lid closure wearing concerning Example 4. It is a perspective view of the engaging part of the closing tool which concerns on Example 5. FIG. It is a side view of the collar part of the storage container which concerns on Example 5. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Closure 11 Base 20 Closure part 21 Ring protrusion 30 Hook part 31 Side member 32 Inclined surface 33 Collar contact surface 34 Collar holding claw 35 Engagement part 50 Storage container 51 Liquid material 60 Storage part 61 Storage cylinder 62 Small diameter opening 63 Inner cylinder 64 Outer cylinder 65 Connection groove 70 Collar portion 71 Large diameter opening 72 Collar

Claims (10)

A base (11), a closing part (20) extending downward from the approximate center of the base (11), and a hook part (30) provided at a predetermined distance from the center of the base (11),
Closing of the liquid material storage container for closing the large diameter opening of the storage container comprising a storage cylinder having a large diameter opening at the upper end and a small diameter opening at the lower end, and a collar (72) extending laterally from the upper end of the storage cylinder A lid,
The hook portion (30) includes a side member (31) extending downward from the base (11), a collar holding claw (34) extending from the side member (31) toward the closing portion (20), A collar contact surface (33) which is a side surface of the side member (31) on the side where the collar holding claw (34) is extended,
When the inserted closure is rotated in one direction, the collar (72) enters the gap between the collar holding claw (34) and the base (11), and the side surface of the collar (72) is in contact with the collar in its traveling direction. The surface (33) comes into contact with a stop position at which the rotation of the closure with respect to the storage container is stopped, and the closure is released by rotating in the direction opposite to the one direction from the stop position ;
The inner side surface adjacent to the flange contact surface (33) of the side member (31) is constituted by an inclined surface (32) extending from the bottom surface of the base (11),
A lid for a liquid material storage container, wherein the inclined surface (32) abuts on the collar (72) and a force for separating the closure from the storage container is applied during rotation of the closure .   The liquid material reservoir according to claim 1, wherein a side surface of the collar (72) that does not contact the collar contact surface (33) at the stop position is not covered by the side member (31). Container closure. The collars (72) are a pair of collars (72) disposed symmetrically about the center of the large-diameter opening,
3. The liquid material storage container according to claim 1, wherein the hook portion is a pair of hook portions arranged symmetrically with respect to a central point of the closing portion. Lid.   The said base (11) has two sides which have a part substantially parallel to the collar contact surface (33), Comprising: It has two sides comprised so that the collar (72) might be exposed. 3 is a liquid material storage container closure.   The base (11) has two sides having a substantially parallel portion orthogonal to the collar contact surface (33), and has two sides configured to expose the collar (72). The lid for a liquid material storage container according to claim 3 or 4. The closure part for a liquid material storage container according to any one of claims 1 to 5 , wherein the closing part (20) has a sealing surface on a peripheral surface thereof. The upper surface of the flange holding claws (34), the storage container collar (72) bottom surface is formed concave and engaging convex portions engaging portion (35) claims 1, characterized in that it has a 6 of Any liquid material storage container closure. The upper surface of the flange holding claws (34), the storage container collar (72) bottom surface formed as a recess for the convex portion and the engaging engaging portion (35) claims 1, characterized in that it has a 6 of Any liquid material storage container closure. 9. The lid for a liquid material storage container according to claim 8 , wherein the engaging portion (35) is a groove or a hole. The liquid material storage container which has the recessed part or convex part which engages with the engaging part (35) of the closure of the liquid material storage container in any one of Claim 7 thru | or 9 on the lower surface of a collar (72).