KR20070105253A - Cooler box - Google Patents

Abstract

A cooler box is provided to achieve the high cold insulation effect by filling the clearance between the box body and the cover member without sacrificing the handling of the cover member. A cooler box includes: a cooler box body(11), having an upper surface(15) with an opening(16) in such a manner that a cold insulation chamber(14), connected to the opening, is segmented; a cover member(12), installed in the cooler box body(11) so as to close or open the opening(16); a packing (18), formed in an elastically deformed manner, and arranged between the periphery of the opening and the cover member so as to seal the cold insulation chamber in the state that the opening is closed; and a deformable inner pressure homogenizing body, arranged between the packing and the cooler box body, or between the packing and the cover member so as to compensate the distance deviation between the upper surface(15) and the cover member(12) which is caused when the cover member closes the opening, and homogenizing the inner pressure.

Description

Cooler Box {COOLER BOX}

1 is an external perspective view of a cooler box according to an exemplary embodiment of the present invention.

2 is an enlarged perspective view of main parts of a cooler box according to an exemplary embodiment of the present invention.

FIG. 3 is a III-III cross-sectional view of FIG. 1. FIG.

4 is an enlarged cross-sectional view of main parts of a cooler box according to an exemplary embodiment of the present invention.

FIG. 5 is a view seen from the direction of the V arrow in FIG. 4. FIG.

6 is an enlarged cross-sectional view of main parts of a cooler box according to a modification of the embodiment of the present invention.

7 is an enlarged cross-sectional view of a packing according to another modification of the embodiment of the present invention.

***** Explanation of symbols for the main parts of the drawings *****

10: cooler box

11: body

12: cover member

14: cold storage room

15: upper surface of the main body

16: opening of the body

17: the leading edge

18: Packing

19: wall

24: my cover

27: home

28: inside of my cover

29: bottom

30: gap filler

31: opening of the groove

32: core

33: pocket

40: cooler box

42: inner surface of my cover

The present invention relates to the structure of a cooler box used for leisure activities such as fishing.

For example, an angler carries a cooler box when fishing. A cooler box is a container for the purpose of preserving cold preservation of the mainly caught fish. Therefore, conventionally, a cooler box is requested to have a high cold storage power. In order to improve the cold storage power of a cooler box, various improvement is conventionally implemented (for example, refer patent document 1-patent document 8).

In the cooler box disclosed in Patent Literature 1, the lid member is provided in the main body in which the cold storage chamber is formed to be opened and closed. By closing this cover member, a cold storage chamber is sealed and the fish etc. which were accommodated in this cold storage chamber are preserve | saved. Packing is provided in the lower surface of a cover member so that a cold storage room may be sealed. That is, when the lid member is closed, the cold storage chamber is sealed by filling the gap between the lid member and the main body.

<Patent Document 1> Japanese Unexamined Patent Publication No. 2005-253376

Patent Document 2: Japanese Unexamined Patent Publication No. 2002-145357

Patent Document 3: Japanese Unexamined Patent Publication No. 2002-120880

<Patent Document 4> Japanese Unexamined Patent Publication No. 2001-354277

<Patent Document 5> Japanese Patent Laid-Open No. 2001-299177

Patent Document 6: Japanese Unexamined Patent Application Publication No. 2000-7056

Patent Document 7: Japanese Unexamined Patent Application Publication No. 2000-4752

Patent Document 8: Japanese Unexamined Patent Publication No. Hei 10-262535

The main body and the cover member are generally molded of resin, typically polypropylene (PP, polypropylene). By adopting polypropylene as the material, the weight of the cooler box can be easily realized, and the material cost of the cooler box can be reduced. By the way, the molded article by resin generally produces distortion. For this reason, when a lid member is closed, a clearance gap may arise between a main body and a lid member.

When the gap is small, the lid member is made of resin, so that the warpage is canceled by the bending of the lid member when the lid member is closed, whereby the cold storage chamber can be sealed. However, in order to realize the function of preserving the fish, the cooler box must have a certain size or more, so that the warpage of the main body and the cover member as a molded article may be considerably large. In such a case, there exists a case where the deflection of the cover cancels the distortion. For example, in a type in which the lid member is formed in a rectangular shape and the long side portion thereof is fixed to the main body through a fixture, the lid member is fixed to the main body while being largely elastically deformed as a whole. There exists a possibility that the short side part of a member may lift up from a main body. In order to prevent this, the fastener may be provided in the short side portion of the lid member, but in this case, the opening and closing action of the lid member becomes very cumbersome.

However, when the gap is small, this gap is filled by deformation of the packing provided in the lid member. That is, the packing is provided so as to protrude from the lid member, and when the lid member is closed, the packing is sandwiched between the main body and the lid member, and is arranged to be pushed into the gap. However, if the warpage of the main body or the lid member as a molded article is large, and a locally large gap is generated between the main body and the lid member, the packing should be provided so as to protrude largely from the lid member to fill this gap. In this way, if the packing is provided so as to protrude from the cover member equally large, the packing is deformed at the extreme at the small portion of the gap, and as a result, it is difficult for the angler to close the cover member. Done. Furthermore, depending on the degree of warping of the main body or the lid member, even if the packing is provided, it may be expected that a gap remains between the main body and the lid member.

In order to solve this problem, for example, the packing may be made of a foamed resin, and the foaming ratio may be set large. However, as a countermeasure against this, the durability of the packing is significantly reduced, and the packing may be damaged by repeated opening and closing of the lid member. In addition, although the main body and the lid member may be molded so that the distortion is small from the beginning, it is impossible to eliminate the distortion of the molded article.

Accordingly, it is an object of the present invention to provide a cooler box which securely fills the gap between the main body and the lid member without sacrificing the operability of the lid member and maintains a high cooling effect.

(1) In order to achieve the above object, the cooler box according to the present invention has an upper surface provided with an opening, a cooler box main body in which a cooler chamber continuous to the opening is partitioned, and a cooler box main body. It is provided in the cover member, and is interposed between the lid member which opens and closes the said opening, the periphery of the opening of the said upper surface of a cooler box main body, and a lid member, and seals the said cold storage chamber in the state which closed the said opening. Interposed between the packing and the cooler box body or between the packing and the cover member so as to offset the deviation of the distance between the upper surface of the cooler box body and the cover member, which occurs when the cover member is elastically deformable packing and the cover member closes the opening. And an internal pressure equalizer that can be deformed so as to equalize the internal pressure.

Although the material which comprises a cooler box main body and a lid member is not specifically limited, In order to manufacture these at low cost, it is generally preferable to shape | mold by polypropylene and other resin. Thus, when a cooler box main body and a lid member are shape | molded by resin, a distortion generate | occur | produces in the cooler box main body and a lid member as a molded article. This distortion causes the distance between the upper surface of the cooler box body, specifically, the periphery of the opening of the upper surface, and the lid member in a state where the lid member closes the opening of the cooler box body. That is, the gap between the periphery of the opening of the cooler box main body and the lid member is not the same with respect to the circumferential direction of the upper surface of the cooler box main body, and there exists a part where the gap becomes large and the part becomes small.

When the lid member closes the opening, the packing is interposed between the lid member and the cooler box body and contacts the periphery of the opening. Thus, the cold storage chamber of the cooler box body is sealed. As described above, since the distance between the periphery of the opening of the opening of the cooler box body and the lid member is generally not constant, the packing is pressed relatively strongly when the lid member closes the opening at a small portion of this distance, At the large distance, the packing is relatively weakly pressed when the lid member closes the opening. Therefore, at the moment when the lid member closes the opening, the internal pressure equalizer of the pressure equalizer corresponding to the site where the packing is pressed relatively strongly increases the internal pressure of the pressure equalizer locally, and the packing is relatively weakly pressed. At the site of the pressure-resistant equivalent corresponding to, the internal pressure of the pressure-resistant equivalent is locally small.

The distribution of the internal pressure of this pressure equalizer immediately deforms the pressure equalizer so that the internal pressure is equal. In other words, the internal pressure equalizer flows from the portion with the high internal pressure to the portion with the low pressure. In other words, regardless of the magnitude of the distance between the periphery of the opening of the opening of the cooler box body and the lid member, the internal pressure equalizer flows to cancel the deviation of the distance. In this case, if the pressure-resistant equalizer is arranged between the packing and the cooler box main body, the pressure-resistant equalizer fills the gap generated between the packing and the cooler box main body. In addition, if the pressure resistant equalizer is disposed between the packing and the lid member, the pressure resistant equalizer fills the gap generated between the packing and the lid member. As a result, even if the distance between the periphery of the opening of the cooler box body and the lid member is not constant, the packing is securely in close contact with both the cooler box body and the lid member due to the deformation of the pressure-resistant equivalent body, Seal the seal securely.

(2) The said lid member is provided with the circumferential groove formed in the annular opening opening to the periphery of the said opening part in the site | part which opposes the periphery of the said opening of the said cooler box main body in the state which closed the said opening, The said packing Is disposed in the circumferential groove in a state of protruding from the opening of the circumferential groove, and is slidably fitted into the circumferential groove so as to be able to advance and retreat in the depth direction of the circumferential groove. It may be interposed between the bottom face of the circumferential groove and the packing.

In this case, the packing is sandwiched in a circumferential groove provided in the lid member, and the pressure resistant body is disposed in the inner depth of the circumferential groove as a left member of the packing. That is, the packing is fitted into the circumferential groove through the pressure resistant body. When the lid member closes the opening, the packing protruding from the circumferential groove contacts the periphery of the opening of the cooler box body to seal the cold storage chamber. As described above, the cooler box main body and the cover member as a molded article generally have warpage, so that the distance between the periphery of the opening and the bottom of the circumferential groove is not constant. In the region where the distance is small, the packing is pressed relatively strongly at the moment when the lid member is closed, and in the region where the distance is large, the packing is pressed relatively weakly when the lid member is closed. Therefore, at the moment when the lid member is closed, the internal pressure equalizer of the pressure equalizer corresponding to the site where the packing is relatively strongly pressed increases the internal pressure of the pressure equalizer locally, and also corresponds to the site where the packing is relatively weakly pressed. At the site of the pressure-resistant equivalent, the internal pressure of the pressure-resistant equivalent is locally small.

As described above, the distribution of the internal pressure of the internal pressure equalizer immediately deforms the internal pressure equalizer so that the internal pressure is equal. That is, the internal pressure equalizer flows from the high internal pressure portion to the low portion. In other words, regardless of the magnitude of the distance between the periphery of the opening and the bottom of the peripheral groove, the pressure-resistant equalizer flows and fills the gap between the packing and the bottom of the peripheral groove. As a result, even if the distance between the periphery of the opening and the bottom of the circumferential groove is not constant, the distance between the packing and the periphery of the opening is constant due to the deformation of the internal pressure equalizer, and thus the packing is at the periphery of the opening. Certainly and equally pressed.

(3) The pressure-resistant homogenous body is a liquid-gel-like core and a tube-like body having flexibility that is disposed along the longitudinal direction of the circumferential groove while accommodating the core. It is configured with a pocket.

The core may be, for example, a gel polyurethane. The gelled material is preferable as a material constituting the core because it has a constant fluidity. However, a material having more fluidity, typically grease or the like, may be employed as the material constituting the core, and oil or water rich in fluidity may be employed as the material constituting the core. In addition, the core can flow very quickly within the tubular bag by being accommodated in a flexible tubular bag.

(4) It is preferable that the said packing is a solid member.

The packing having a solid structure prevents buckling and other local deformation of the packing when the lid member is closed, and the packing stably contacts the periphery of the opening.

(5) The tubular bag may be made of a thin tube rich in ductility.

In this configuration, the core can easily flow in all directions. Therefore, the packing and the peripheral part of the opening contact each other more stably and uniformly.

(6) Moreover, the peripheral groove formed in the annular opening opening to the said upper surface is provided in the peripheral part of the opening of the upper surface of the said cooler box main body, The said packing is arrange | positioned in the said peripheral groove in the state which protruded from the opening of the said peripheral groove. In addition, it is slidably fitted in the said circumferential groove so that advancing and retreating to the depth direction of the said circumferential groove may be carried out, and the said pressure-resistant equal body may be interposed between the bottom face of the said circumferential groove, and the said packing.

In this case, the packing is fitted into a circumferential groove provided in the cooler box main body, and the pressure resistant body is disposed inside the circumferential groove as a left member of the packing. That is, the packing is fitted into the circumferential groove through the pressure resistant body. When the lid member closes the opening of the cold storage chamber, the packing protruding from the circumferential groove contacts the periphery of the opening, and the cold storage chamber is sealed. As described above, since the warpage occurs in the cooler box body and the lid member, which are usually molded articles, the distance between the lid member and the bottom face of the circumferential groove is not constant. In the region where the distance is small, the packing is pressed relatively strongly at the moment when the lid member is closed, and in the region where the distance is large, the packing is pressed relatively weakly when the lid member is closed. Therefore, the internal pressure equivalent of the said pressure equalizer becomes local large at the site | part of the pressure equalizer corresponding to the site | part which presses a packing comparatively strong in the moment when a cover member is closed, and also the internal pressure corresponding to the site | part where a packing is pressed relatively weakly. At the site of the equivalent, the internal pressure of the pressure resistant equivalent is locally small.

As described above, the distribution of the internal pressure of the internal pressure equalizer immediately deforms the internal pressure equalizer so that the internal pressure is equal. That is, the internal pressure equalizer flows from the high internal pressure portion to the low portion. In other words, regardless of the magnitude of the distance between the lid member and the bottom face of the circumferential groove, the pressure-resistant equalizer flows and fills the gap between the packing and the bottom face of the circumferential groove. As a result, even if the distance between the lid member and the bottom face of the circumferential groove is not constant, the distance between the packing member and the lid member becomes constant due to the deformation of the pressure-resistant equivalent body, so that the packing is firmly and equally pressed against the lid member.

(7) The said pressure-resistant equal body is comprised with the liquid-gel-like core, and the tube-shaped bag which has flexibility arrange | positioned along the longitudinal direction of the said circumferential groove, while accommodating the said core.

The core may be, for example, a gel polyurethane. The gelled material is preferable as a material constituting the core because it has a constant fluidity. However, a material having more fluidity, typically grease or the like, may be employed as the material constituting the core, and oil or water which is very rich in fluidity may be employed as the material constituting the core. In addition, the core can flow very quickly within the tubular bag by being accommodated in a flexible tubular bag.

(8) It is preferable that the said packing is a solid member.

The packing having a solid structure prevents buckling and other local deformation of the packing when the lid member is closed, and the packing stably contacts the periphery of the opening.

(9) The tubular bag may be constituted by a thin tube having rich ductility.

In this configuration, the core can easily flow in all directions. Therefore, the packing and the peripheral part of the opening contact each other more stably and uniformly.

<Example>

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on preferred embodiments with reference to the appropriate drawings.

1 is an external perspective view of a cooler box according to an exemplary embodiment of the present invention. 2 is an enlarged perspective view of main parts of the cooler box.

The cooler box 10 is used for leisure activities, such as fishing, and can cool the caught fish, drinks, etc. The cooler box 10 is provided with the main body 11 (cooler box main body), the cover member 12 provided so that opening and closing to the main body 11, and the handle 13 provided in the main body 11 is possible. 1 shows a state where the lid member 12 is closed, and FIG. 2 shows a state where the lid member 12 is open. The handle 13 is installed on the main body 11 so as to be rotatable (circular motion in a forward and reverse direction), and as shown in FIG. 1, the posture stands up in an upward direction, As FIG. 2 shows, it can change between postures which have been in uniform. The angler can grip the handle 13 to carry the cooler box 10 by standing the handle 13, and when the cooler box is placed on the water or the like, the angler 13 can be inclined. have.

The main body 11 is molded by resin (typically polypropylene), and is formed in substantially rectangular parallelepiped shape as the same figure shows. The cold storage chamber 14 is formed inside the main body 11. As shown in FIG. 2, this cold storage chamber 14 forms an opening 16 in the upper surface 15 in succession to the upper surface 15 of the main body 11. The peripheral part 17 of this opening 16 is formed in the smooth surface. As will be described later, when the lid member 12 is closed, the packing 18 provided on the lid member 12 contacts the peripheral portion 17, whereby the lid member 12 is hermetically sealed. Contact with (11). Moreover, the heat insulating material is enclosed in the inside of the wall 19 which partitions the cold storage chamber 14, the side wall of the main body 11, and the bottom wall. This heat insulating material is typically foamed polyurethane, foamed styrol and other foamed resins. However, a vacuum heat insulation panel may be arrange | positioned in addition to foaming resin.

The recessed parts 20 and 21 are provided in the front side part and the back side part of the upper end part of the main body 11, respectively. The recessed part 20 extends in the longitudinal direction of the said front side part, and is recessed in the thickness direction of the main body 11. And the stay 22 is provided in this recessed part 20. As shown in FIG. As will be described later, the stay 22 is configured to engage the lid member 12, and keeps the lid member 12 securely closed when the lid member 12 is closed. In addition, the recessed part 21 is the same shape as the recessed part 20, The stay same as the said stay 22 is arrange | positioned at this recessed part 21. As shown in FIG. The stays 22 are provided at the front side and the rear side of the upper end of the main body 11, respectively, so that the lid member 12 can be opened and closed from either the front side or the rear side. However, the stay 22 may be provided on either one of the front side or the rear side of the main body 11, and the lid member 12 may be configured to be opened and closed only on either one of the front side or the rear side. to be.

FIG. 3 is a III-III cross-sectional view of FIG. 1. FIG.

As shown in FIG. 1 and FIG. 3, the lid member 12 is formed in a rectangular plate shape corresponding to the outer shape of the upper surface 15 of the main body 11. The lid member 12 has an outer lid 23 and an inner lid 24 fitted to the outer mold 23. The outer frame 23 and the inner cover 24 are molded by resin (typically polypropylene) similarly to the main body 11.

As shown in FIG. 2 and FIG. 3, the outer frame 23 is provided with an engagement ring 26 and a knob 25. Engagement ring 26 is provided in the front edge part and the rear edge part of outer frame 23, and each engagement ring 26 is a stay 22 of main body 11 when the lid member 12 is closed. It is arranged at the position corresponding to). Therefore, when the cover member 12 is closed, the engagement ring 26 engages with the stay 22, and the closed state of the cover member 12 is maintained. In addition, the knob 25 is provided along the front edge and the rear edge of the outer frame 23, respectively, and can release the engagement of the engagement ring 26 and the stay 22, respectively. That is, when the knob 25 is operated while the lid member 12 is closed, the engagement rings 26 are separated from the stay 22 and the engagement of both is released, whereby the lid member 12 is closed. The posture shown in Fig. 2 can be easily changed. In addition, since the structure of the said engagement ring 26, the knob 25, and the said stay 22 is already known, detailed description thereof is abbreviate | omitted.

As shown in FIG. 3, the inner cover 24 is fitted inside the outer frame 23. The inner cover 24 may be fastened to the outer frame 23 by, for example, a screw. The heat insulating material is enclosed in the inside cover 24. As this heat insulating material, foamed polyurethane, foamed styrol and other foamed resins are employed. However, a vacuum heat insulation panel may be arrange | positioned in addition to foaming resin. An annular groove 27 (circumferential groove) is formed around the inner surface 28 of the inner lid 24. This groove 27 is provided at a position opposite to the periphery 17 of the opening 16 of the main body 11 when the lid member 12 is closed. As shown in Fig. 3, the groove 27 is opened on the inner surface 28 of the inner lid 24, i.e., on the periphery 17 side.

4 is an enlarged cross-sectional view of the main portion of the cooler box 10, and the structure of the main body 11 and the lid member 12 is shown in detail.

As shown in FIG. 3 and FIG. 4, the packing 18 is inserted into the groove 27, and the gap filler 30 is formed between the packing 18 and the bottom face 29 of the groove 27. Pressure equalizer) is arranged. When the lid member 12 is closed, the inner lid 24 faces the upper surface 15 of the main body 11 so that the packing 18 is pressed against the periphery 17 of the opening 16. As a result, the opening 16 is closed, and the cold storage chamber 14 is sealed.

FIG. 5 is a view seen from the direction of the V arrow in FIG. 4 and shows the structures of the gap filler 30 and the packing 18 in detail.

The packing 18 has a rectangular cross-sectional shape and is formed in a band shape as a whole. In the present embodiment, the packing 18 is composed of an elastic body (typically foamed silicone rubber, ethylene propylene rubber (EPDM) or the like). The packing 18 has a solid structure. Although the effect by the packing 18 having a solid structure is mentioned later, the packing 18 may be provided with the hollow structure.

The height dimension H of the packing 18 is set to a dimension corresponding to the depth of the groove 27. As a result, the height dimension H of the packing 18 is such that the upper end of the packing 18 protrudes a few millimeters from the opening 31 of the groove 27 with the packing 18 fitted in the groove 27. It is set. In addition, the packing 18 can slide to the up-down direction in FIG. 5 in the state fitted in the groove 27. As shown in FIG. Therefore, the packing 18 can be retracted into the groove 27 by being pressed upward in FIG. In addition, the packing 18 may be formed in an elongate strip shape and may be inserted along the longitudinal direction of the groove 27, or may be formed in an endless annular shape and inserted into the groove 27. .

The gap filler 30 includes a core 32 and a bag 33 (tube-shaped bag). The gap filler 30 is formed in an elongated strip shape. As described above, the gap filler 30 is disposed on the packing 18 in FIG. 5, and is disposed to fill the gap between the bottom face 29 of the groove 27 and the packing 18. The length dimension of the gap filler 30 corresponds to the longitudinal direction dimension of the groove 27, and the gap filler 30 is fitted into the groove 27 along the longitudinal direction of the groove 27. Therefore, both ends of the gap filler 30 are in contact with each other in the groove 27 in a state where the gap filler 30 is sandwiched in the groove 27. However, the gap filler 30 may be formed in an endless annular shape and inserted into the groove 27.

In the present embodiment, the core 32 employs a gel polyurethane. However, the material constituting the core 32 is not limited thereto, and a material having grease, oil, water or other fluidity may be employed. In addition, a slime or other viscous substance may be employed as the material constituting the core 32. As a result, the core 32 may employ an incompressible gel, liquid or slime with constant flowability and viscosity. The bag 33 is made of a material having flexibility and is formed in a tube shape. The core 32 is housed in this pocket 33. In this embodiment, the bag 33 is made of urethane sheet. Although the thickness dimension of the urethane sheet which comprises the bag 33 is set to 35 micrometers in this embodiment, this thickness dimension can be set to about 5 micrometers-50 micrometers. In this manner, the core 32 can flow in all directions by being accommodated in the flexible bag 33. In other words, the gap filler 30 flows and deforms so that the entire gel-like core 32 is at a uniform pressure.

In the cooler box 10 which concerns on a present Example, as shown in FIG. 1 and FIG. 2, the cover member 12 opens and closes with respect to the main body 11. FIG. The angler can open the lid member 12 by operating the knob 25 of the lid member 12, and by engaging the lid member 12, the engagement ring 26 of the lid member 12 stays. In engagement with 22, the lid member 12 is securely closed. Further, since the main body 11 and the lid member 12 are made of polypropylene or other resin, there is an advantage that they are constructed at low cost. However, the main body 11 and the lid member 12 are molded from a resin such as polypropylene so that distortion occurs in the main body 11 and the lid member 12 as products.

For example, when the cover member 12 is warped, as shown in FIG. 4, the bottom face 29 of the groove 27 is curved. For this reason, between the periphery 17 of the opening 16 of the main body 11 and the bottom surface 29 of the groove 27 of the lid member 12 with the lid member 12 closed with respect to the main body 11. The distance S1 changes. That is, the distance S1 is not the same with respect to the longitudinal direction of the groove 27, and the distance S1 between the peripheral portion 17 of the opening 16 and the bottom surface 29 of the groove 27 is not equal to the groove ( 27) depends on the site. In this case, if the said gap filler 30 is not provided, the height which the said packing 18 protrudes from the groove 27 changes with the packing 18 inserted in the groove 27. That is, the dimension projecting from the groove 27 of the packing 18 depends on the portion of the groove 27. For this reason, when the lid member 12 is closed, at the site where the packing 18 protrudes greatly from the groove 27, the packing 18 is strongly pressed against the periphery 17, while the packing 18 is In the portion projecting small from the groove 27, the packing 18 is slightly pressed against the periphery 17. There is a possibility that the airtightness between the lid member 12 and the main body 11 may not be maintained at a portion where the packing 18 is slightly pressed against the peripheral portion 17. Moreover, when the site | part which the packing 18 presses strongly in the said periphery part 17 arises, there exists a possibility that the operation | work which closes the lid member 12 to the main body 11 may become difficult.

By the way, in the cooler box 10 which concerns on a present Example, since the said gap filler 30 is provided, when the said lid member 12 is closed, the gap filler 30 is instantaneously in the site | part where the said distance S1 is small. ) Becomes a relatively high pressure, and the gap filler 30 becomes a relatively low pressure instantaneously in a portion where the distance S1 is large. In other words, a portion where the internal pressure increases locally and a portion that locally decreases occur inside the gap filler 30.

In this way, the internal pressure of the gap filler 30 is changed so that the gap filler 30 is deformed so that the internal pressure is equal. That is, the gap filler 30 flows from a portion where the internal pressure is high to a low portion, and the gap filler 30 is formed on the bottom surface of the packing 18 and the groove 27 regardless of the magnitude of the distance S1. Fill and fill the gap in 29). Thereby, even if the distance S1 is not constant, the distance S2 between the packing 18 and the periphery 17 of the opening 16 becomes constant due to the deformation of the gap filler 30. The packing 18 is pressed firmly and equally to the periphery 17 of the opening 16. As a result, the main body 11 is reliably sealed by the cover member 12, and the operation | movement which opens and closes the cover member 12 becomes easy by the said distance S2 being constant.

In addition, in the present embodiment, since the gap filler 30 is composed of a liquid to gel-like core 32 and a bag 33 containing the core 32, the core 32 is a bag 33 at the moment when the lid member 12 is closed. ) Can flow very quickly. As a result, the gap filler 30 can instantly fill the gap between the packing 18 and the bottom 29 of the groove 27.

Furthermore, in this embodiment, since the packing 18 has a solid structure, buckling and other local deformation of the packing 18 are prevented when the lid member 12 is closed. Thus, the packing 18 stably contacts the periphery 17 of the opening 16, and the main body 11 is securely sealed by the lid member 12.

In addition, in this embodiment, the bag 33 of the gap filler 30 is made of a thin polyurethane tube and is rich in flexibility. Accordingly, the core 32 can easily flow in all directions, whereby the packing 18 and the periphery 17 of the opening 16 are more stably and uniformly in contact with each other. .

In this embodiment, the gap filler 30 is formed by enclosing the core 32 exhibiting incompressibility into a bag 33 having flexibility. Therefore, in the production of the gap filler 30, the amount (volume) of the core 32 enclosed in the bag 33 is an important management item, so that the volume of the core 32 depends on the weight of the core 32. Can be accurately identified. That is, although the core 32 is rich in fluidity, the volume can be easily managed and the manufacturing cost of the gap filler 30 can be reduced.

In addition, the material which comprises the said bag 33 is not limited to a urethane sheet, For example, synthetic rubber can be employ | adopted. Although the kind of synthetic rubber is not specifically limited, It may be rich in ductility. When the synthetic rubber which comprises the bag 33 is rich in ductility, the core 32 can flow more smoothly in all directions because the core 32 is accommodated in this bag 33. In other words, the bag 33 can be easily deformed either in the longitudinal direction or in the direction orthogonal to the longitudinal direction. As a result, the entire gel-like core 32 flows and deforms so as to have a uniform pressure.

As described above, when the bag 33 is made of a material rich in ductility, the length dimension of the gap filler 30 may be set to be slightly shorter than the length direction of the groove 27. As described above, when the lid member 12 is closed, the internal pressure of the gap filler 30 is changed so that the gap filler 30 is deformed so that the internal pressure is equal. That is, the gap filler 30 flows from a portion where the internal pressure is high to a low portion, and the gap filler 30 includes the packing 18 and the groove 27 regardless of the magnitude of the distance S1 (see FIG. 4). The gap between the bottom face 29 of the bottom face 29 flows and is filled. At this time, since the bag 33 is rich in ductility, the gap filler 30 extends in the longitudinal direction and is deformed in the direction orthogonal to the longitudinal direction, that is, in the height direction, after the ends are in close contact with each other. Thereby, even if the distance S1 is not constant, the distance S2 between the packing 18 and the periphery 17 of the opening 16 becomes constant due to the deformation of the gap filler 30. The packing 18 is pressed firmly and equally to the periphery 17 of the opening 16.

Next, a modification of the present embodiment will be described.

6 is an enlarged cross-sectional view of a main portion of a cooler box according to a modification of the present embodiment.

The cooler box 40 according to the present modification is different from the cooler box 10 according to the embodiment. In the cooler box 10, a groove 27 is provided in the cover member 12. In the cooler box 40 according to the present modification, the groove 27 is provided on the main body 11 side, whereas the gap filler 30 and the packing 18 are sandwiched in the groove 27. The gap filler 30 and the packing 18 are inserted into this groove 27. In addition, the other structure of the cooler box 40 is the same as that of the said cooler box 10. FIG.

As the same figure shows, also in this cooler box 40, the opening 16 is provided in the upper surface 15 of the main body 11. As shown in FIG. The cooler chamber 14 is formed in succession to the opening 16. The groove 27 is provided at the periphery 17 of the opening 16. The grooves 27 are formed by deeply drilling downwards to open the upper surface 15, and are formed in an annular shape along the periphery 17. The gap filler 30 is sandwiched in the inner groove of the groove 27, and furthermore, the packing 18 is disposed on the gap filler 30. As the same figure shows, the packing 18 protrudes several millimeters from the said upper surface 15, and the packing 18 closes the inner surface 42 of the lid member 12 by closing the lid member 12. As shown in FIG. To contact.

Also in this modification, since the gap filler 30 is provided, the distance between the bottom face 29 of the groove 27 and the inner face 42 of the lid member 12 when the lid member 12 is closed. In the portion where S1 is small, the gap filler 30 is instantaneously high in pressure, and in the region where the distance S1 is large, the gap filler 30 becomes instantaneously low. In other words, a portion where the internal pressure increases locally and a portion that locally decreases occur inside the gap filler 30.

When the internal pressure of the gap filler 30 changes, as described above, the gap filler 30 deforms so that its internal pressure is equal. That is, the gap filler 30 flows from a portion where the internal pressure is high to a low portion, and the gap filler 30 is formed on the bottom surface of the packing 18 and the groove 27 regardless of the magnitude of the distance S1. Fill and fill the gap in 29). As a result, even if the distance S1 is not constant, the distance S2 between the packing 18 and the inner surface 42 of the lid member 12 becomes constant due to the deformation of the gap filler 30. The packing 18 is pressed firmly and equally to the inner surface 42 of the lid member 12. As a result, the main body 11 is sealed by the cover member 12 reliably, and the operation | movement which opens and closes the cover member 12 becomes easy by the said distance S2 being constant.

Next, another modification of the present embodiment will be described.

7 is an enlarged cross-sectional view of a packing according to another modification of the present embodiment.

The packing 45 according to the present modification differs from the packing 18 according to the above embodiment in that the packing 45 has a hollow structure and the core 32 is sealed therein. to be. The material constituting the packing 45 is made of an elastic body such as expanded silicone rubber and ethylene propylene rubber (EPDM). As the material constituting the core 32, gel-like polyurethane may be employed as described above. However, the material constituting the core 32 is not limited to this, and grease, oil, water or other fluids, slime or other viscous materials may be employed. As a result, the core 32 may employ an incompressible gel, liquid or slime with constant flowability and viscosity.

As shown in FIG. 7, the packing 45 has a pair of side wall portions 46 and 47, a thick bottom 48 and a top plate 49. The core 32 is accommodated in the space 50 partitioned by. The side wall parts 46 and 47 are thinner than other parts. Since the core has fluidity as described above, it can be injected into the packing 45 by a syringe or the like. Specifically, the needle of the syringe is stabbed into the bottom portion 48 to inject the core 32 into the space 50. At this time, it is preferable to discharge the air previously present in the space 50 by, for example, another syringe. The packing 45 is fitted to the main body 11 or the cover member 12 as in the above embodiments and modifications, but at this time, the rear bottom portion 48 is provided on the main body 11 or the cover member 12. It is inserted into the groove 27.

In the present modification, since the core 32 is accommodated in the packing 45, only the single member (that is, the packing 45) in the assembly of the cooler boxes 10 and 40 is the main body 11 or the lid member 12. ) So that it is easy to assemble. In addition, since the bag 33 for accommodating the core 32 becomes unnecessary, the number of parts is also reduced. In addition, since the side walls 46 and 47 of the packing 45 are formed to be thinner than the thick bottom 48 or the top plate 49, the packing 45 is easily bent, and the core 32 is quickly spaced ( 50) It can flow inside.

Industrial Applicability

The present invention can be applied to a cooler box used for leisure activities such as fishing.

According to the present invention, even if the distance between the lid member and the cooler box main body is not constant due to the flow deformation of the pressure-resistant equalizer, the packing interposed between the lid member and the cooler box main body when both the lid member is closed is uniformly pressured. Contact with. Therefore, even if distortion occurs in the cooler box main body and the lid member as the resin molded article, the pressure-resistant equalizer flow-deforms to cancel the distortion. As a result, only the lid member is closed, and the cold storage chamber of the cooler box main body is simply and reliably sealed.

Claims (5)

A cooler box body having an upper surface provided with an opening, and in which a cooling chamber continuous to the opening is partitioned; A lid member provided in the cooler box body and opening and closing the opening; An elastically deformable packing interposed between the periphery of the opening of the upper surface of the cooler box body and the lid member, the lid member sealing the cold compartment in a state where the lid is closed; Intervening between the packing and the cooler box body or between the packing and the lid member so as to offset the deviation of the distance between the top surface of the cooler box body and the lid member, which occurs when the lid member closes the opening. And a cooler box provided with an internal pressure equalizer that can be deformed to equalize the internal pressure. The method of claim 1, The lid member has a circumferential groove formed in an annular opening to the circumferential side of the opening at a portion of the cooler box body facing the circumferential edge of the opening in a state where the opening is closed, The packing is disposed in the circumferential groove in a state of protruding from the opening of the circumferential groove, and is slidably fitted into the circumferential groove so as to be able to move back and forth in the depth direction of the circumferential groove. The pressure-resistant equalizer is a cooler box interposed between the bottom face of the circumferential groove and the packing. The method according to claim 1 or 2, The pressure resistant equalizer is A liquid to gel core, A cooler box provided with a tube-shaped bag having flexibility that is arranged along the longitudinal direction of the circumferential groove while accommodating the core. The method according to claim 1 or 2, The packing is a cooler box is a solid member. The method of claim 3, Said packing being a solid member.

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