CN1111704C

CN1111704C - Display cabinet

Info

Publication number: CN1111704C
Application number: CN96109354A
Authority: CN
Inventors: 柿沼善一; 铁川和夫
Original assignee: Sanyo Electric Co Ltd
Current assignee: Sanyo Electric Co Ltd
Priority date: 1995-09-06
Filing date: 1996-08-01
Publication date: 2003-06-18
Anticipated expiration: 2016-08-01
Also published as: CN1153892A; KR970016451A; JPH0972648A; TW294773B; KR0183285B1

Abstract

The purpose of the invention is to improve the operability of opening and closing a lid body that covers an opening, to prevent the wear of the lid body and a rail part, and the falling of the lid body in a showcase of which the back side of opening is inclined higher tan the front side. A showcase 1 is provided with an opening 2 of which the bade side is inclined higher than the front side and rail parts 11 and 12 that are formed on the upper side and the lower side of the opening 2 in full width stepwise, and the opening 2 is covered with a pair of lid bodies 13 and 14 that are vertically overlapped and mounted on the rail parts 11 and 12 and cover the opening 2 openably and closably. The frame is provided with a rib 23 protruded downward and the rib 23 contacts the inside edge 12A of the rail part 12 of the underside of the opening 2 sliding freely.

Description

Showcase

Technical field

The present invention relates to form the showcase of blocked state by at least two lids of opening on body of thermal insulating box with opening and closing.

Background technology

This of prior art kind of showcase, the body of thermal insulating box that has opening above for example the storeroom shown in the open flat 5-19730 of communique number (F25D17/06) of Japanese Utility Model is positioned at, simultaneously the top opening of body of thermal insulating box be by two can be to left and right direction slidably mounting on the track that is formed on body of thermal insulating box opening edge portion and the lid (glass door) that overlaps each other of above-below direction and forming can open and close the ground obturation.

In above-mentioned showcase, recently for the visible range of improving storeroom inside and the taking-up operability of commodity, have by the front side showcase that tilts of side direction inwardly and develop top opening, make two lids to opening under edge direction move owing to be subjected to gravity effect meeting this moment, so the following inner face of upside lid can push the following outside of downside lid, so not only can make the switching of two lids become difficult because of friction, also can produce serious problems such as abrasion.

At least because the upside lid can push the following track lateral wall of opening, therefore, with making the switching of upside lid more difficult, and the abrasion of track and lid are more serious.

Moreover, because two lids can slide towards the following edge direction of opening, the danger that falls in the storeroom so there is lid to de-orbit, so the necessity of improvement is arranged.

Summary of the invention

The present invention proposes in order to solve prior art problems, its objective is that opening forms by in the showcase that side direction tilts of front side in the above inwardly, not only improve being used for the opening and closing operations of lid of inaccessible opening, prevent abrasion, and the falling of lid of lid and orbit portion simultaneously.

The showcase of first kind of structure of the present invention is, possesses on body of thermal insulating box by the front side opening that tilts of side direction inwardly; On the both sides at least up and down of described opening, formation across about the orbit portion that is difference in height, mounting is in the lid that the above-below direction of this orbit portion overlaps each other slidably by at least two simultaneously, it is inaccessible to make opening can open and close ground.Also possess more outstanding than the following basifacial of downside lid downwards and rib member that form, this rib member touches slidably in the medial margin of the orbit portion of opening bottom.

According to the first kind of structure of the present invention that is as above described in detail, can open and close ground inaccessible by the front side inwardly in the lid of the top opening of the body of thermal insulating box that tilts of side direction, the following basifacial of downside lid is formed with outstanding rib member downwards, because this rib member is touched slidably in the medial margin of the orbit portion of opening bottom, so downside lid unlikely generation since gravity and under the opening the moving of edge direction, and the slip that caused by the extruding of upside lid of also unlikely generation.Therefore, can improve the opening and closing operations of two lids, also can prevent in advance simultaneously because both deteriorations that abrasion caused.And, owing to can avoid moving of downside lid, so also can prevent or suppress falling of lid.

The showcase of second kind of structure of the present invention is, forms outwards outstanding rib member in the bottom of above-mentioned upside lid, and this rib member is connected on the lateral wall of orbit portion of opening bottom slidably.

According to second kind of structure of the present invention, because this rib member is touched slidably on the orbit portion lateral wall of opening bottom, so the upside lid is following to be formed line with the orbit portion lateral wall and contacts, so can reduce both frictions and further improve the opening and closing operations of lid.

The showcase of the third structure of the present invention is, the orbit portion front portion of the opening bottom of first kind of structure be formed with across about the inclined plane that up tilts towards the front side, simultaneously on the bight that this inclined plane and orbit portion rear portion intersect in the corner, the bottom of upside lid is being touched slidably.

According to the third structure of the present invention, then contact with orbit portion formation line, so can reduce both frictions and further improve the opening and closing operations of lid with above-mentioned the same upside lid is following.Particularly and since the upside lid move the restriction also be subjected to the bight, so make towards upper and lower to mobile changes difficulty, can improve opening and closing operations thus, the while also can prevent to come off.

The showcase of the 4th kind of structure of the present invention is, on body of thermal insulating box, possess by the front side opening that tilts of side direction inwardly, at least up and down the both sides of this opening form across about the orbit portion that is difference in height, this orbit portion slidably mounting above-below direction at least two lids of shape in an overlapping, make opening can open and close ground inaccessible; And the orbit portion in the opening top, across about be formed with at least before and after two depression ditches, insert in the ditch that respectively caves in respectively slidably the top of two lids.

According to the 4th kind of structure of the present invention, because insert in the ditch that respectively caves in respectively slidably the top of two lids, gravity edge direction under opening does not move so two lids can not produce, and can not produce the slip that mutual extruding causes.Therefore, can improve the opening and closing operations of two lids, also can prevent in advance simultaneously because both deteriorations that abrasion caused.And, because the depression ditch can be avoided moving of lid, so can prevent or suppress falling of two lids.Moreover, because forming line, each depression ditch and two lid tops contacts, the bottom of while upside lid does not touch the lateral wall of orbit portion and is keeping, so can reduce both frictions and further improve the opening and closing operations of lid.

The showcase of the 5th kind of structure of the present invention is, on body of thermal insulating box, possess by the front side opening that tilts of side direction inwardly, at least up and down the both sides of this opening form across about the orbit portion that is difference in height, this orbit portion slidably mounting above-below direction at least two lids of shape in an overlapping, make opening can open and close ground inaccessible; The orbit portion of opening top be formed with across about the depression ditch, the following basifacial of downside lid is formed with outstanding rib member downwards simultaneously, insert in the depression ditch slidably the top of upside lid, and the rib member is touched slidably in the medial margin of the orbit portion of opening bottom.

According to the 5th kind of structure of the present invention, two lids can not produce because gravity edge direction under opening moves, and can not produce the slip that mutual extruding causes.Therefore, can improve the opening and closing operations of two lids, also can prevent in advance simultaneously because both deteriorations that abrasion caused.And, because the depression ditch can be avoided moving of upside lid, and can prevent moving of downside lid by the rib member, so can prevent or suppress falling of two lids.Moreover, also form with orbit portion owing to the depression ditch forms line contact, rib member in the lid top that line contact, the bottom of while upside lid does not touch the orbit portion lateral wall and keeping, so can reduce both frictions and further improve the opening and closing operations of lid.

Description of drawings

Brief description of drawings

Fig. 1 is the axonometric drawing of showcase of the present invention;

Fig. 2 is the vertical disconnected side view on the showcase top of Fig. 1;

Fig. 3 is the vertical disconnected side view on the showcase top of second kind of embodiment of the present invention;

Fig. 4 is the vertical disconnected side view on the showcase top of the third embodiment of the present invention;

Fig. 5 is the vertical disconnected side view on the showcase top of the 4th kind of embodiment of the present invention;

Fig. 6 is the vertical disconnected side view on the showcase top of the 5th kind of embodiment of the present invention;

Fig. 7 is the vertical disconnected side view on the showcase top of the 6th kind of embodiment of the present invention;

Fig. 8 is the vertical disconnected side view on showcase top of other embodiment of Fig. 7 of the present invention;

The specific embodiment

Say the detailed description embodiments of the invention below in conjunction with accompanying drawing.

The showcase 1 of first kind of structure of the present invention is, for example is arranged in the shops such as supermarket and convenience store, while be used for cooling off the freezing display case unit that commodity such as ice cream are sold, its body is made of top body of thermal insulating box 3 with opening 2.

This body of thermal insulating box 3 is, by top steel plate system outer container 4 with opening; In this outer container 4 in the hard resin system that has at interval opening above inserting case 6; The opening edge of from then on interior case 6 form stretch out laterally continuously and connect two the casees 4, the staggered portion 7 of 6 opening edges; And the foamed polyurethane heat-insulating material 8 of foam filling between two

casees

4,6 constitutes.And, above it opening 2 by the front side inwardly side direction tilt.

Therefore, be configured to take in the storeroom 9 of commodity in this in case 6, this storeroom 9 is cooled to set cryogenic temperature by the not shown cooling device that goes out.

On the other hand, comprise staggered portion 7 tops and following inner peripheral and form stair-stepping drop, this top bottom constitutes

orbit portion

11,12 respectively.At this moment, because aforesaid opening 2 is that side direction tilts inwardly, so that two

orbit portions

11,12 also are formed slopely therewith is parallel, therefore, the medial margin of top orbit portion 11 forms pure angle, the acute angle of the medial margin 12A of following orbit portion 12 formation simultaneously.And the lateral wall 12B of this orbit portion 12 and orbit portion 12 at right angles intersect.

On

orbit portion

11,12, two

lids

13,14 mounting slidably.Each

lid

13,14 is respectively by its peripheral hard resin

system window frame

16,17 and embed 18,19 formations of clear glass (also can be transparent propene base resin plate) in this

window frame

16,17, both all can slide at orbit portion along left and right directions, and lid 14 is overlapped in the downside of upside lid 13, and downside lid 14 is little than the size of the above-below direction of upside lid 13.

Be formed with

outstanding flange

21,22 downwards on the outboard peripheries below each

window frame

16,17 of

lid

13,14, the flange 21 of the top of upside lid 13 touches slidably above orbit portion 11, and the front of following flange 21 touches the lateral wall 12B in orbit portion 12 simultaneously.And the flange 22 of downside lid 14 tops touches above orbit portion 11 slidably at flange 21 inboard places, and following simultaneously flange 22 touches below orbit portion 12 slidably at flange 21 inboard places.

Moreover the flange 21 of upside lid 13 is higher, and the flange 22 of downside lid 14 is lower, and thus, downside lid 14 embeds the downside of upside lid 13.

Be formed with below window frame 17 bottoms of downside lid 14 and outstanding be the rib member 23 of hang with respect to this window frame 11 downwards, this rib member 23 is connected in the medial margin 12A of the orbit portion 12 of aforesaid formation acute angle slidably.

When opening and closing opening 2,

lid

13,14 moves to left and right direction.Below the window frame 17 of downside lid 14, form outstanding rib member 23 as mentioned above among the present invention downwards, because this rib member 23 touches slidably on the medial margin 12A of orbit portion 12, the gravity so downside lid 14 can not produce and moving towards the following edge direction of opening 2, and can not produce because the slip that extruding caused of upside lid 13.

Therefore, can improve the opening and closing operations of two

lids

13,14, can avoid in advance simultaneously because both deteriorations that abrasion produced.Owing to can avoid moving of downside lid 14, fall into storeroom 9 so can prevent lid 14.

Fig. 3 is the showcase 1 of the embodiment of second kind of structure of expression.This moment, other added flange 21 outsides of window frame 16 bottoms that protrude in upside lid 13 and integrally formed rib member 24 except the showcase 1 of Fig. 2.And this rib member 24 touches the lateral wall 12B in orbit portion 12 slidably.

Thus, the bottom of upside lid 13 forms wire with the lateral wall 12B of orbit portion 12 by the rib member and contacts, and further improves the opening and closing operations of lid 13 so can reduce both frictions.

Fig. 4 is the showcase 1 of the embodiment of the third structure of expression.This moment, other added that the lateral wall 12B that the front portion constituted by the orbit portion 12 of the bottom of opening 2 forms the inclined plane that up tilts towards the front side except the showcase 1 of Fig. 2.Thus, the rear portion (inboard) of lateral wall 12B and orbit portion 12 constitutes the bight 12C that the obtuse angle intersects to left and right direction.

Therefore, because flange 21 lower ends of the window frame 16 of the bottom of upside lid 13 are to touch slidably in bight 12C, so contact with orbit portion 12 formation lines, so can reduce both frictions and further improve the opening and closing operations of lid 13 with above-mentioned the same upside lid 13 is following.Particularly, because the mobile restriction that also is subjected to bight 12 of upside lid 13 so make the mobile of above-below direction become difficult, therefore not only can improve opening and closing operations, also can prevent coming off of lid 13.

Fig. 5 is the showcase 1 of the 4th kind of structure of expression the present invention.With Fig. 2 relatively, do not form rib member 23 this moment, and with the orbit portion 11 that is formed on opening 2 tops across about two depression ditches in front and back 27,26 replace.And the flange 22 of the window frame 17 of the flange 21 of the window frame 16 of the top of upside lid 13, the top of downside lid 14 inserts respectively in the depression ditch 27 of the depression ditch 26 of rear side and front side slidably.

Because such formation, two

lids

13,14 can not produce because gravity and moving towards the following edge direction of opening 2, also can not produce slip owing to extruding mutually.Therefore, can improve the opening and closing operations of two

lids

13,14, can avoid in advance simultaneously because both deteriorations that abrasion produced.And, because depression ditch 26,27 can be avoided moving of two

lids

13,14, fall towards storeroom 9 so also can prevent two lids 13,14.And, each ditch 26,27 that caves in is gone with the

window frame

21,22 of two

lids

13,14 and is contacted into wire, the flange 21 that remains on lid 13 bottoms of depression ditch 26 does not simultaneously touch the lateral wall 12B of orbit portion 12, further improves the opening and closing operations of

lid

13,14 so can reduce both frictions.

Fig. 6 is the showcase 1 of expression the 5th kind of structure of the present invention.At this moment, except that the structure of Fig. 2, also add the orbit portion 11 of opening 2 tops across about form a depression ditch 28.And the flange 21 of the window frame 16 of the top of upside lid 13 inserts in this depression ditch 28 slidably.

Constitute according to this, two

lids

13,14 can not produce because gravity and moving towards the following edge direction of opening 2, and also can not produce because the mutual slip that extruding caused.Therefore, not only can improve the opening and closing operations of two

lids

13,14, can avoid in advance simultaneously because both deteriorations that abrasion caused.And, can avoid moving of upside lid 13 by depression ditch 28, and can avoid moving of downside lid 14, so can prevent falling of two

lids

13,14 by rib member 23.Moreover, because depression ditch 28 is gone with lid 14 flanges 21 and is contacted into line, rib member 23 contacts with the good one-tenth line of the medial margin 12A of orbit portion 12, and the flange 21 of bottom that remains in the lid 13 of depression ditch 28 does not touch the lateral wall 12B of orbit portion 12, further improves the opening and closing operations of

lid

13,14 so can reduce both frictions.

Fig. 7 is the showcase 1 of the 6th kind of structure of expression the present invention.With Fig. 2 relatively, do not form rib member 23 this moment, and with form on the orbit portion 12 of opening 2 bottoms across about the stepped track 31,32 of two sections of front and back replace.This moment, the track 32 of rear side was lower than the track 31 of front side, was formed with respectively from each track 31,32 to connect in the heat-insulating material 8 and be communicated to draining road 33,34 in the storeroom.

And the flange of the window frame 16 of the bottom of upside lid 13 21 forms than Fig. 2 to short, and slidably mounting above the track 31 of front side; And the flange 22 of the window frame 17 of the bottom of downside lid 14 slidably mounting above the track 32 of rear side.

Constitute according to this, downside lid 14 can not produce because gravity and moving towards the following edge direction of opening 2, and two

lids

13,14 can not produce because the slip that mutual extrusion caused.Therefore, not only can improve the opening and closing operations of two

lids

13,14, can prevent both deteriorations that abrasion caused simultaneously in advance.Owing to can avoid moving of two

lids

13,14, fall towards storeroom 9 so also can prevent two

lids

13,14 by track 31,32.Moreover, owing to can make the dew that lodges in two tracks 31,32 etc. flow in the storeroom 9, so the reduction that can reach production cost by the simplification of constructing.

According to the first kind of structure of the present invention that is as above described in detail, can open and close ground inaccessible by the front side inwardly in the lid of the top opening of the body of thermal insulating box that tilts of side direction, the following basifacial of downside lid is formed with outstanding rib member downwards, because this rib member is touched slidably in the medial margin of the orbit portion of opening bottom, so downside lid unlikely generation since gravity and under the opening the moving of edge direction, and the slip that caused by the extruding of upside lid of also unlikely generation.

Therefore, can improve the opening and closing operations of two lids, also can prevent in advance simultaneously because both deteriorations that abrasion caused.And, owing to can avoid moving of downside lid, so also can prevent or suppress falling of lid.

According to second kind of structure of the present invention, add in addition that except above-mentioned points the bottom at the upside lid is formed with outwards outstanding rib member, because this rib member is touched slidably on the orbit portion lateral wall of opening bottom, so the upside lid is following to be formed line with the orbit portion lateral wall and contacts, so can reduce both frictions and further improve the opening and closing operations of lid.

According to the third structure of the present invention, except that first kind of structure, add orbit portion front portion in addition in opening bottom, across about be formed with the inclined plane that side direction forward tilts; Simultaneously on the bight that this inclined plane and orbit portion rear portion intersect in the corner, the bottom of upside lid is being touched slidably, so contact with orbit portion formation line, so can reduce both frictions and further improve the opening and closing operations of lid with above-mentioned the same upside lid is following.

Particularly and since the upside lid move the restriction also be subjected to the bight, so make towards upper and lower to mobile changes difficulty, can improve opening and closing operations thus, the while also can prevent to come off.

According to the 4th kind of structure of the present invention, be formed at by the front side inwardly in the orbit portion on the both sides at least up and down of the top opening of the body of thermal insulating box that tilts of side direction, the orbit portion of opening top across about form at least before and after two depression ditches, because the top of two lids is inserted in the ditch that respectively caves in respectively slidably, gravity edge direction under opening does not move so two lids can not produce, and can not produce the slip that mutual extruding causes.

Therefore, can improve the opening and closing operations of two lids, also can prevent in advance simultaneously because both deteriorations that abrasion caused.And, because the depression ditch can be avoided moving of lid, so can prevent or suppress falling of two lids.Moreover, because forming line, each depression ditch and two lid tops contacts, the bottom of while upside lid does not touch the lateral wall of orbit portion and is keeping, so can reduce both frictions and further improve the opening and closing operations of lid.

According to the 5th kind of structure of the present invention, be formed on by the front side inwardly in the orbit portion on the both sides at least up and down of the top opening of the body of thermal insulating box that tilts of side direction, the orbit portion of opening top across about be formed with the depression ditch, the following basifacial at the downside lid forms outstanding rib member downwards simultaneously; Because insert in the depression ditch slidably the top of upside lid, make the rib member touch slidably simultaneously in the medial margin of the orbit portion of opening bottom, gravity edge direction under opening does not move so two lids can not produce, and can not produce the slip that mutual extruding causes.

Therefore, can improve the opening and closing operations of two lids, also can prevent in advance simultaneously because both deteriorations that abrasion caused.And, because the depression ditch can be avoided moving of upside lid, and can prevent moving of downside lid by the rib member, so can prevent or suppress falling of two lids.Moreover, also form with orbit portion owing to the depression ditch forms line contact, rib member in the lid top that line contact, the bottom of while upside lid does not touch the orbit portion lateral wall and keeping, so can reduce both frictions and further improve the opening and closing operations of lid.

According to the 6th kind of structure of the present invention, be formed on by the front side inwardly in the orbit portion on the both sides at least up and down of the top opening of the body of thermal insulating box that tilts of side direction, the orbit portion of opening bottom across about form at least before and after two sections stepped track, and back siding track is low than the front side track, simultaneously on the track of front side and above the siding track of back respectively slidably mounting the bottom of upside lid and the bottom of downside lid, gravity edge direction under opening does not move so two lids can not produce, and can not produce the slip that mutual extruding causes.

Therefore, can improve the opening and closing operations of two lids, also can prevent in advance simultaneously because both deteriorations that abrasion caused.And, because stair-stepping track can be avoided moving of two lids, so can prevent or suppress falling of two lids.

According to the 7th kind of structure of the present invention, owing to add in addition except above-mentioned points and make the last backward-facing below of each track tilt, so do not need to form in addition the draining road, can make dew of lodging in two tracks etc. flow in the body of thermal insulating box, not only can seek the reduction of production cost by the simplification of structure, can prevent in advance simultaneously since around the showcase that dew caused was stained.

Claims

1. a showcase comprises a body of thermal insulating box, on body of thermal insulating box, have by the front side opening that tilts of side direction inwardly, the both sides at least up and down of this opening across about be formed with the orbit portion that is difference in height; Simultaneously by at least two slidably mounting in this orbit portion and the overlapping lid of above-below direction can open and close ground inaccessible described opening, it is characterized in that, following basifacial at described downside lid forms outstanding rib member downwards, and makes this rib member touch the medial margin at the orbit portion of described opening bottom slidably.

2. showcase as claimed in claim 1 is characterized in that, the bottom of upside lid is formed with outwards outstanding rib member, and makes this rib member touch the lateral wall at the orbit portion of opening bottom slidably.

3. showcase as claimed in claim 1 is characterized in that, before the orbit portion of opening bottom across about be formed with the inclined plane that side direction forward tilts; Simultaneously on the bight that this inclined plane and described orbit portion rear portion intersect in the corner, make the bottom of upside lid touch slidably.

4. a showcase comprises a body of thermal insulating box, on body of thermal insulating box, possess by the front side opening that tilts of side direction inwardly, the both sides at least up and down of this opening across about be formed with the orbit portion that is difference in height; Simultaneously by at least two slidably mounting in this orbit portion and the overlapping lid of above-below direction can open and close ground inaccessible described opening, it is characterized in that, on the orbit portion of described opening top, across about form at least before and after two depression ditches, and the top of described two lids can be inserted respectively in the described ditch that respectively caves in.

5. a showcase comprises a body of thermal insulating box, on body of thermal insulating box, have by the front side opening that tilts of side direction inwardly, the both sides at least up and down of this opening across about be formed with the orbit portion that is difference in height; Simultaneously by at least two slidably mounting in this orbit portion and the overlapping lid of above-below direction can open and close ground inaccessible described opening, it is characterized in that, on the orbit portion of described opening top, across about be formed with the depression ditch, the following basifacial of described downside lid is formed with outstanding rib member downwards simultaneously; And insert in the described depression ditch slidably the top of described upside lid, and make described rib member movably touch the medial margin at the orbit portion of described opening bottom.