TWI405616B - A closure device and a liquid material storage container - Google Patents

Abstract

Provided are a lid device capable of preventing leakage of a liquid material from a liquid material containing container and preventing damage on an inner tube of the container, and a liquid material containing container. The lid device closes a liquid supply opening of a liquid material containing container having an inner tube (52), which has the liquid supply opening at its forward end, an outer tube (53) formed so as to cover the outer periphery of the inner tube, a connection groove (54) formed between the inner tube and the outer tube, and a containing tube (51) having at its forward end the inner and outer tubes and the connection groove. The lid has a fitting section (12) fitted in the connection groove (54), a fitting hole (13) in which the inner tube (52) is fitted, a body (11) from which the fitting section (12) extends upward, and a shoulder section (14) facing the forward end of the outer tube (53) and limiting the position of displacement of the outer tube (53).

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, or a highly viscous material such as a solder paste, a silver paste or an adhesive, and is connected to a liquid having two or more openings. a closing device for closing a nozzle of a liquid material storage container or an opening of a liquid feeding device such as a liquid feeding tube portion, and a liquid material storage container

The storage container for storing the liquid material is filled with a liquid material in a state in which a capping device such as a head cover is attached, and is stored and transported.

A closure device for a storage container for storing a liquid material is disclosed in Patent Documents 1 to 4. The capping device exemplified in these documents is in a storage container having an opening at both ends, and prevents the liquid material from leaking from the opening portion on the side where the liquid material is ejected. The configuration of the storage container generally has an inner cylinder which is formed in a small nozzle shape near the end portion on the discharge side of the liquid material, and in which a liquid material flows inside, and an outer cylinder which is formed on the outer side of the inner cylinder and which forms a thread on the inner peripheral surface. .

Patent Document 1: Japanese Patent Laid-Open Publication No. 2003-010757 Patent Document 2: Japanese Patent Laid-Open Publication No. 2003-175353 Patent Document 3: Japanese Patent Laid-Open Publication No. 2004-174348 Patent Document 4: Japanese Patent Laid-Open Publication No. 2003-535624

The storage container of the closed cap device has been installed, which will be damaged by vibration and vibration. As a result, the inner cylinder suffers from a breakage event. If the inner cylinder is damaged, the stored liquid material will leak out, which not only causes the liquid material to be wasted, but also causes the surrounding material to be contaminated due to the leaked liquid material.

The damage of the inner cylinder is, for example, a liquid material that needs to be stored frozen and stored in a refrigerated state, which is likely to occur during transportation and transportation. The liquid material that needs to be refrigerated and refrigerated is stored in a storage container and then stored in a state of being stored in a state in which each container is frozen and refrigerated. However, when it is transported or transported in a frozen/refriginated state, it is unpredictable. Uncertain collisions and vibrations cause damage to the inner cylinder.

In view of the above problems, an object of the present invention is to provide a closure device and a liquid material storage container which can prevent leakage of a liquid material from a liquid material storage container and which can prevent damage to the inner tube of the liquid material storage container.

The closure device for a liquid material storage container according to the first aspect of the invention is provided with an inner cylinder (52) having a liquid supply port at its tip end, an outer cylinder (53) formed by covering the outer circumference of the inner cylinder, and an inner cylinder and a connecting groove (54) between the outer cylinders, and a closing device for closing the liquid supply port of the liquid material storage container of the storage cylinder (51) at the front end; and having: being inserted into the connecting groove (54) The insertion portion (12), the insertion hole (13) into which the inner tube (52) is inserted, the body (11) extending upward from the insertion portion (12), and the front end of the outer tube (53) A shoulder (14) that faces and regulates the displacement position of the outer cylinder (53).

According to a second aspect of the invention, the fitting insertion hole (13) abuts the bottom surface of the fitting insertion hole (13) and the front end of the inner cylinder (52) when the closing device is inserted. depth.

According to a third aspect of the invention, in the first or second aspect of the invention, the insertion portion (12) is configured to have a height at which a bottom surface of the connection groove (54) abuts against a distal end of the insertion portion (12) when the closure device is inserted.

According to a fourth aspect of the invention, the connection groove (54) has a spiral groove (57) on an inner circumferential surface thereof, and the insertion portion (12) has a surface on the circumferential surface. The protrusion is screwed to the spiral groove (57).

The projection provided in the insertion portion (12) is formed on the outer circumferential surface or the inner circumferential surface so as to fit the spiral groove (57) provided in the connection groove (54) of the storage container.

According to a fifth aspect of the invention, in the invention of any of the first to fourth aspect, the outer peripheral surface of the insertion portion (12) is formed with a push-out surface.

According to a sixth aspect of the invention, in the first aspect of the invention, the inner peripheral surface of the fitting hole (13) is formed with a push-out surface.

According to a seventh aspect of the invention, in the invention of any one of the first to sixth aspect, when the closure device is inserted, the front end of the shoulder portion (14) and the outer cylinder (53) are in a state of being located only slightly away from each other.

According to a eighth aspect of the invention, in the invention of any one of the first to sixth aspect, when the closure device is inserted, the shoulder (14) and the distal end of the outer cylinder (53) are brought into contact with each other.

According to a ninth aspect of the invention, in the invention of any of the first to eighth aspect, the system has a cylindrical body having a diameter larger than an outer diameter of the storage cylinder (51).

According to a tenth aspect of the invention, in the invention of any of the first to the ninth aspect, the side surface of the main body (11) is subjected to embossing.

The eleventh invention is the invention of any one of the first to tenth invention (11) A concave portion is formed on the bottom surface.

According to a twelfth aspect of the invention, in the first aspect of the invention, the shoulder (14) is formed by the upper surface of the main body (11) of the lower edge portion of the insertion portion (12).

According to a thirteenth aspect of the invention, in the first aspect of the invention, the main body (11) and the insertion portion (12) are integrally formed.

The liquid material storage container according to a fourteenth aspect of the present invention includes an inner tube (52) having a liquid supply port at its distal end, an outer tube (53) formed to cover an outer circumference of the inner tube, and being formed between the inner tube and the outer tube. The connection groove (54) and the front end portion are provided with the storage cylinders (51); and the closure device of any one of items 1 to 13 is inserted.

According to the present invention, it is possible to effectively prevent the inner cylinder from being damaged by regulating the displacement of the inner cylinder of the liquid material storage container at a position before the fracture will occur.

Hereinafter, the details of the present invention will be described by way of examples, but the present invention is not limited by the examples.

[Example 1]

The capping device and the storage container of the present embodiment will be described with reference to Figs. 1 to 3 .

"The construction of the closure device 10" As shown in FIG. 1, the capping device 10 of the present embodiment has an insertion portion 12 which is formed to extend upward from the upper surface of the body 11. An opening is provided on the insertion portion 12, and the insertion hole 13 is formed.

A spiral projection 17 is formed on the outer circumferential surface of the insertion portion 12 so as to be fitted to the spiral groove 57 of the storage container 50, and functions as a screw. In this case, the spiral groove 57 and the protrusion 17 may function as two screws.

The upper surface of the body 11 is opposed to the front end of the outer cylinder 53, and constitutes a shoulder portion 14 which regulates the displacement position of the outer cylinder 53. In this embodiment, the upper surface of the body 11 is formed into a flat plane, but a plurality of lattice-like protrusions may be arranged in a ring shape. In addition, in this case, the protrusions are composed of an elastic body, but what kind of structure is adopted will be determined after considering the cost factor.

The side surface of the body 16 is embossed and provided with a non-slip groove 16 (not shown in Fig. 1(a)).

The bottom surface of the body 11 will form a recess 15 . The recess 15 is for leaking the liquid material when it is detached from the storage container 50. At the production site, etc., from the relationship between pot life and quality, since the liquid material that has been used will be used until the end, or discarded during use, the detached closure device 10 will There are cases where it is no longer used, so it can be set to this way of use.

<<Configuration of Storage Container 50>> The storage container 50 of the present embodiment has a configuration of the storage container 50 as shown in FIG. 2, and the liquid material stored in the storage cylinder 51 is prevented from leaking by inserting the closing device 10.

The storage container 50 is a storage cylinder 51 for storing a liquid, and a small inner cylinder 52 having a smaller diameter than the storage cylinder 51, so that the storage cylinder 51 and the storage space are Connected to form. The outer cylinder 53 is formed continuously on the outer circumferential surface of the storage cylinder 51. A connection groove 54 is formed between the outer cylinder 53 and the inner cylinder 52. A spiral groove 57 is formed in the connecting groove 54, and the protruding portion 17 of the closure device 10 is fitted.

Further, it is preferable that the outer peripheral surface of the inner cylinder 52 forms a push-out surface. In this case, the inner peripheral surface of the fitting hole 13 will also form a push-out surface.

Both the storage container 50 and the capping device 10 of the present embodiment are made of a plastic material (a material made of a resin such as PP or PE). The closure device 10 is preferably made of a material that is softer than the storage container 50 in order to reduce the damage of the storage container 50.

Further, of course, even if the storage container 50 is made of a metal material, the capping device 10 of the present embodiment can be inserted.

Insert Fig. 3 is an enlarged cross-sectional view showing an essential part of the storage container 50 in which the capping device 10 has been inserted.

The inner tube 52 of the storage container 50 is inserted into the insertion hole 13 of the capping device 10, and the spiral groove 57 formed on the inner circumferential surface of the outer tube of the storage container is screwed to the capping device 10. The protruding portion 17 is in a state in which the closing device 10 is inserted and fixed in the storage container 50.

The insertion of the closure device 10 is performed by rotating the closure device 10 along the spiral groove 57 in the storage container 50, and the projection 17 of the closure device 10 is screwed into the spiral groove 57 while closing. The insertion portion 12 of the lid device 10 enters the connection groove 54 and proceeds. The insertion portion 12 is stopped by abutting the front end of the insertion portion 12 of the closure device 10 against the bottom surface of the connection groove 54, or the front end of the inner tube 52 abuts against the bottom of the insertion hole 13 of the closure device 10. Intrusion.

The storage container 50 is inserted into the closure device 10 in a freely insertable manner. The detachment of the closure device 10 can be easily carried out by performing reverse rotation when the closure device 10 is inserted.

Further, the spiral groove 57 and the protruding portion 17 of the closure device 10 may be constituted by a male screw and a female screw of the push-out screw, and the insertion portion 12 of the stop closure device 10 is configured to enter the storage container 50 by the push-pull action. The configuration within the groove 54 is connected.

In FIG. 3, the front end of the insertion portion 12 of the closure device 10 abuts against the bottom surface of the connection groove 54 of the storage container 50, and the front end of the inner tube 52 of the storage container 50 abuts against the insertion hole 13 of the closure device 10. In the state of the bottom, the closure device 10 is inserted. In this case, when the front end of the insertion portion 12 of the closure device 10 and the front end of the inner cylinder 52 of the storage container 50 are in contact with each other, since the leakage path of the liquid material is double-sealed, the liquid is effectively prevented. Material leaks.

Further, it is of course not essential that the front end of the insertion portion 12 of the closure device 10 abuts against the bottom surface of the connection groove 54. According to the storage container 50, the bottom surface of the connection groove 54 may be formed such that the rib is formed obliquely or radially, but the front end of the insertion portion 12 may be difficult to abut. In this case, the fixing property of the closure device 10 can be improved by the bottom surface or the shoulder portion 14 of the fitting hole 13.

When the capping device 10 is inserted, a gap is formed between the distal end of the outer tube 53 of the storage container 50 and the shoulder portion 14 (see FIG. 4), or both of them are abutted (see FIG. 6), and the material is in accordance with the material of the storage container 50. Design determined by use Matters.

In FIG. 4, the front end of the outer cylinder 53 of the storage container 50 is disposed at a position spaced apart from the shoulder portion 14 of the closure device 10 by a slight gap. When it is assumed that the storage container 50 is inflated, the expansion can be absorbed by providing a slight gap. Further, as shown in FIG. 5, when stress is applied to the capping device 10, a cushioning effect can be exerted. On the other hand, by closing the outer tube 53 against the shoulder portion 14, the capping device 10 can be stored. The relative positional change of the canister 51 is set to the minimum limit. That is, the relative position of the closure device 10 to the storage cylinder 51 changes, and although the inner cylinder 52 is deformed, the outer cylinder 53 will be moved by the shoulder 14 of the closure device 10, and the inner cylinder 52 is deformed. The action will also be regulated before the inner cylinder 52 breaks, with the result that the inner cylinder 52 is prevented from being damaged.

The slight gap formed between the front end of the outer cylinder 53 and the shoulder portion 14 is set to a gap in which the inner cylinder 52 does not reach the breaking stress when the outer cylinder 53 abuts the shoulder portion 14. Further, it is preferable to set a gap that does not exceed the elastic limit of the inner cylinder 52 because the inner cylinder 52 is also prevented from being deformed.

In FIG. 6, the front end of the outer cylinder 53 of the storage container 50 is disposed at a position that abuts against the shoulder portion 14 of the closure device 10. In this case, if the front end of the outer cylinder 53 is positioned at the position where the shoulder portion 14 is abutted, the relative positional change of the closure device 10 to the storage cylinder 51 can be surely prevented, and as a result, the inner position can be more reliably prevented. The cartridge 52 suffers from undesired stresses that are broken. When the expansion of the storage container 50 does not cause a problem, or the closure device 10 is composed of a resilient member, it is assumed that the configuration shown in Fig. 6 will be selectable.

According to the embodiment of the present invention, the closure device 10 can be prevented. Liquid material leakage occurs from the storage container 50, and the inner cylinder 52 of the storage container 50 can be prevented from being damaged.

[Embodiment 2]

The capping device 10 of the present embodiment will be described with reference to Figs. 7 and 8 . In addition, the configuration of the storage container 50 is as in Embodiment 1.

The capping device 10 of the present embodiment is provided with the body 11, the insertion portion 12, the insertion hole 13, and the shoulder portion 14, as in the first embodiment, but in the insertion portion 12 The protrusion 17 is not provided, and the side surface of the body 11 is not embossed.

Since the capping device 10 of the present embodiment is not provided with the protruding portion 17 in the insertion portion 12, only the fitting of the inner tube 52 and the fitting hole 13 and the fitting groove with the insertion portion 12 are performed. The capping device 10 is fixed. Therefore, it is preferable that the closure device 10 is made of a material having elasticity, and the inner cylinder 52 inserted into the insertion hole 13 will be in a state of sandwiching the insertion portion 12.

Fig. 8 is an enlarged cross-sectional view showing an essential part of the storage container 50 in which the capping device 10 has been inserted.

The insertion of the closure device 10 is performed by causing the insertion portion 12 of the closure device 10 to intrude into the connection groove 54. At this time, when the storage container 50 is moved while the closing device 10 is rotated, it can be easily inserted. When the front end of the insertion portion 12 of the closure device 10 abuts against the bottom surface of the connection groove 54, or the front end of the inner tube 52 abuts against the bottom of the insertion hole 13 of the closure device 10, the intrusion of the insertion portion 12 can be stopped. .

The storage container 50 is inserted into the closure device 10 in a freely insertable manner. The removal of the closure device 10 can be easily performed by retracting the closure device 10.

[Example 3]

The capping device 10 of the present embodiment will be described with reference to Fig. 9 . In addition, the configuration of the storage container 50 is as in Embodiment 1.

The capping device 10 of the present embodiment is different from the first embodiment in that the insertion portion 12 is provided only at the tip end where the projection portion 17 is provided, and where the side surface of the body 11 is not subjected to embossing.

The protruding portion 17 provided in the insertion portion 12 is fitted to the spiral groove 57 of the thread groove provided in the storage container 50. When the protruding portion 17 is screwed into the spiral groove 57, the insertion portion 12 of the closure device 10 is inserted into the connection groove 54, and the closure device 10 is inserted. The insertion of the insertion portion 12 is stopped by bringing the front end of the insertion portion 12 of the closure device 10 into contact with the bottom surface of the connection groove 54, or the front end of the inner tube 52 abuts against the bottom of the insertion hole 13 of the closure device 10. Will be as in Example 1.

[Example 4]

The capping device 10 of the present embodiment will be described with reference to Fig. 10 . In addition, the configuration of the storage container 50 is as in Embodiment 1.

The capping device 10 of the present embodiment is different from the place where the rod-shaped body 18 is provided in the fitting hole 13 and the flat portion 19 which can be gripped by the tool is provided on the side surface of the body 11. example 1.

In the capping device 10 of the present embodiment, the capping device 10 is inserted into the liquid supply port of the inner tube 52, so that the capping device 10 can be inserted into the storage container 50 with high fixation. Further, if the liquid material is filled in a state in which the capping device 10 of the present embodiment is inserted, the phenomenon that unfilled liquid material is generated around the liquid supply port of the inner tube 52 can be avoided.

Furthermore, since the flat portion 19 is provided on the side surface of the body 11, the step of inserting the capping device 10 into the storage container 50 can be automated. In addition to the flat portion 19, the side surface of the body 11 is embossed and provided with a non-slip groove 16 (not shown in Fig. 10(a)).

10‧‧‧Closed appliance

11‧‧‧Ontology

12‧‧‧Internal Department

13‧‧‧Inlay hole

14‧‧‧ shoulder

15‧‧‧ recess

16‧‧‧Slip groove (rolling)

17‧‧‧Protruding

18‧‧‧ rods

19‧‧‧Flat Department

50‧‧‧ storage container

51‧‧‧ storage cartridge

52‧‧‧Inner tube

53‧‧‧Outer tube

54‧‧‧ Connection groove

55‧‧‧Spray outlet

56‧‧‧Flange

57‧‧‧Spiral groove

1(a) to 1(c) are a closure device of a first embodiment, wherein (a) a schematic plan view, (b) a schematic view of a substantially important portion, and (c) a schematic bottom view.

2(a) and 2(b) are schematic cross-sectional views showing a substantial portion of a storage container in which the closure device shown in Fig. 1 is inserted.

Fig. 3 is a cross-sectional view showing an essential part of the closure device of the first embodiment in a state in which the closure device has been inserted.

Fig. 4 is a side elevational view showing an essential part of a state in which a gap is provided between the closing device and the outer cylinder.

Fig. 5 is a side elevational view showing an important part of the displacement of the closure device.

Fig. 6 is a side elevational view showing an essential part of a state in which the closure device abuts against the outer cylinder.

7(a) to 7(c) are a closure device for a liquid material storage container according to a second embodiment, wherein (a) a schematic plan view, (b) a schematic view of a substantially important portion, and (c) a schematic bottom view.

Fig. 8 is a cross-sectional view showing an essential part of the state in which the closure device of the second embodiment has been inserted.

9(a) to 9(c) are a closure device of a third embodiment, wherein (a) a schematic plan view, (b) a schematic view of a substantially important portion, and (c) a schematic bottom view.

10(a) to (c) show the closure device of the embodiment 4, wherein (a) is schematic Plan view, (b) a schematic view of an important part of the section, and (c) a schematic bottom view.

10‧‧‧Closed appliance

11‧‧‧Ontology

12‧‧‧Internal Department

13‧‧‧Inlay hole

14‧‧‧ shoulder

15‧‧‧ recess

16‧‧‧Slip groove (rolling)

17‧‧‧Protruding

Claims (10)

A closure device for a liquid material storage container, which is a closure device for sealing a liquid supply port of a liquid material storage container which exposes a front end portion of the inner tube (52) to an outer side of the outer tube (53), the liquid material is stored The container includes an inner cylinder (52) having a liquid supply port at the front end, an outer cylinder (53) formed to cover the outer circumference of the inner cylinder, a connection groove (54) formed between the inner cylinder and the outer cylinder, and a front end portion. The storage cylinder (51) is characterized in that: a cylindrical insertion portion (12) embedded in the connection groove (54) and an insertion hole into which the inner cylinder (52) is inserted ( 13), the body (11) extending upward from the insertion portion (12) and facing the front end of the outer cylinder (53) and being aligned with the front end of the outer cylinder (53) to regulate the storage cylinder (51) a shoulder portion (14) whose relative position of the closing device is changed, wherein the insertion hole (13) is configured such that the deepest portion thereof is located below the shoulder portion (14), and is inserted when the closing device is inserted a depth at which the bottom surface of the hole (13) abuts against the front end of the inner cylinder (52), and the shoulder portion (14) is formed on the upper surface of the lower edge portion of the insertion portion (12), that is, the upper surface of the main body (11), and is inserted in the closing device. Time, Between the front end of the outer cylinder (53) and the shoulder portion (14), the inner cylinder (52) does not reach the breaking stress when the outer cylinder (53) and the shoulder portion (14) are abutted when stress is applied to the closing device. Clearance. The closure device for a liquid material storage container according to claim 1, wherein the body (11) and the insertion portion (12) are integrally formed. Closure of liquid material storage container as claimed in claim 1 or 2 In the capping device, the insertion portion (12) is placed at a height at which the bottom surface of the connecting groove (54) abuts against the front end of the insertion portion (12) when the capping device is inserted. The closure device for a liquid material storage container according to claim 1 or 2, wherein the connecting groove (54) has a spiral groove (57) on an inner circumferential surface; the insertion portion (12) is attached to the circumference The surface has a projection for screwing into the spiral groove (57). The closure device for a liquid material storage container according to claim 1 or 2, wherein the outer peripheral surface of the insertion portion (12) forms a push-out surface. The closure device for a liquid material storage container according to claim 1 or 2, wherein the outer circumferential surface of the inner cylinder (52) forms a push-out surface, and the inner circumferential surface of the insertion hole (13) forms a push-out surface . The closure device for a liquid material storage container according to claim 1 or 2, wherein the system is a cylinder having a diameter larger than an outer diameter of the outer cylinder (53) of the storage cylinder (51). A closure device for a liquid material storage container according to claim 1 or 2, wherein the side surface of the body (11) is embossed. A closure device for a liquid material storage container according to claim 1 or 2, wherein The body (11) forms a recess on the bottom surface. A liquid material storage container is a liquid material storage container in which a front end portion of the inner tube (52) is exposed on an outer side of the outer tube (53), and is provided with an inner tube (52) having a liquid supply port at the front end to cover the outer circumference of the inner tube The outer cylinder (53) formed by the method, the connecting groove (54) formed between the inner cylinder and the outer cylinder, and the storage cylinder (51) provided at the front end portion; Or 2 items of closures.