CN102466384B - Plug member and low-temperature storage - Google Patents
Plug member and low-temperature storage Download PDFInfo
- Publication number
- CN102466384B CN102466384B CN201110332932.2A CN201110332932A CN102466384B CN 102466384 B CN102466384 B CN 102466384B CN 201110332932 A CN201110332932 A CN 201110332932A CN 102466384 B CN102466384 B CN 102466384B
- Authority
- CN
- China
- Prior art keywords
- thread
- screw thread
- external screw
- latch
- temperature storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003860 storage Methods 0.000 title claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 28
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/047—Pressure equalising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/025—Secondary closures
Abstract
The present invention provides a plug member and a low-temperature storage. The plug member can lighten burden of a user when the user resolves a negative pressure state of the low-temperature storage. The plug member, which is to be used for the low-temperature storage including: a heat-insulating door to close an opening face of a heat-insulating housing; a cooling device configured to cool an article stored inside the heat-insulating housing; and a through-hole passing through a heat-insulating wall included in the heat-insulating housing from an outer side of the storage to an inner side thereof and having an internal thread formed on an inner periphery thereof. The plug member configured to open or close an opening portion of the through-hole on the outer side of the storage, the plug member comprising: an external thread configured to be threadedly engaged with the internal thread; and a flange member configured to abut onto a face having the opening portion formed therein and close the opening portion, by threaded engagement between the external thread and the internal thread, the external thread having a cut formed in a portion of an outer periphery thereof, the cut configured to open a part of the opening portion in a state where the flange member does not abut on the face having the opening portion formed therein, while the external thread is threadedly engaged with the internal thread.
Description
Technical field
The present invention relates to latch and low temperature storage.
Background technology
At the low temperature storage of the cooling preservation of the storage for frozen goods etc. and bio-tissue and sample etc., exist air in storehouse to be cooled and become the situation of the negative pressure state that air pressure in storehouse is lower than the air pressure outside storehouse.While becoming negative pressure state in storehouse, the door of opening low temperature storage becomes difficult, therefore in low temperature storage, is conventionally provided with the pressure-regulating device (for example, patent documentation 1) for removing the negative pressure state in storehouse.
Patent documentation 1: TOHKEMY 2010-25471 communique
In patent documentation 1, user pulls down the bolt that the storehouse outer air that makes low temperature storage is stopped up to the port flowing in storehouse, removes thus the negative pressure state in storehouse.Yet when user pulls down the bolt of block ports, bolt can drop sometimes.In this situation, because of the setting position of low temperature storage and the structure of low temperature storage etc., exist and to pick up the bolt that drops and with block ports again, become the situation of user's burden.
Summary of the invention
The present invention researches and develops in view of above-mentioned problem, and its objective is provides a kind of latch, can alleviate user's burden when user removes the negative pressure state of low temperature storage.
For achieving the above object, the latch of an aspect of of the present present invention is for low temperature storage, this low temperature storage comprises: the heat insulation framework with opening surface, open wide or the insulated door of inaccessible described opening surface, to being accommodated in the article of described heat insulation framework inside, carry out cooling cooling device, from forming lateral, the storehouse inside-of-refrigerator of the thermal wall of described heat insulation framework, connect and form female through hole at inner peripheral surface, described latch is to open wide or the latch of the peristome in the outside, described storehouse of inaccessible described through hole, it is characterized in that, have: with the external screw thread of described internal screw-thread screw, by described external screw thread and described internal screw-thread screw and be provided with the vibrating part of the face butt of described peristome with the described peristome of obturation, described external screw thread is formed with otch in the part of periphery, described external screw thread and described internal screw-thread screw and described vibrating part not be provided with under the state of face butt of described peristome, described otch opens wide the part of described peristome.
According to the present invention, a kind of latch can be provided, when removing the negative pressure state of low temperature storage, user can alleviate user's burden.
Accompanying drawing explanation
Fig. 1 is the stereogram of the low temperature storage 10 of one embodiment of the present invention.
Fig. 2 is the stereogram of the low temperature storage 10 under the unlimited state of insulated door 21,22.
Fig. 3 is the top view of low temperature storage 10.
Fig. 4 means the figure of a part of the thermal wall of the pressure-regulating device 30 that is decomposed and heat insulation framework 20.
Fig. 5 means the figure of parts 60 and the state of parts 61 actual installation in the thermal wall of heat insulation framework 20.
Fig. 6 is the stereogram of latch 62.
Fig. 7 is the side view of latch 62.
Fig. 8 is the cutaway view of the pressure-regulating device 30 under the state of through hole 80 obturations.
Fig. 9 is the cutaway view of the pressure-regulating device 30 under the unlimited state of through hole 80.
Description of reference numerals
10 low temperature storages
20 heat insulation frameworks
21,22 insulated doors
30 pressure-regulating devices
31 control panels
32 handles
33 Lock Parts
40 interior casees
41 outer containers
42 heat-barrier materials
46,77 liners
50,80 through holes
60,61 parts
62 latch
70,72 cylinder parts
71,73 vibrating parts
75 external screw threads
76 knobs
81 peristomes
100a～100d otch
The specific embodiment
Record by this description and accompanying drawing at least can clearly following item.
With reference to Fig. 1 and Fig. 2, the summary of the low temperature storage 10 of one embodiment of the present invention is described.Fig. 1 is the stereogram of the low temperature storage 10 under insulated door 21 state of closing, and Fig. 2 is the stereogram of the low temperature storage 10 under the unlimited state of insulated door 21,22.It should be noted that, at this, X-direction is made as the left and right directions with respect to low temperature storage 10, and Y direction is made as the above-below direction with respect to low temperature storage 10, and Z-direction is made as the fore-and-aft direction with respect to low temperature storage 10.
Low temperature storage 10, carry out the preservation of the storage of frozen goods etc. and bio-tissue etc. such as the ultralow temperature province below-85 ℃, possesses the heat insulation framework 20 that front surface (+Z side) has opening surface.
At the opening surface of heat insulation framework 20 front surfaces, be provided with the insulated door 21,22 of the opening surface of unlimited or inaccessible front surface, the downside (Y side) in heat insulation framework 20, is provided with carrying out cooling cooling device 23 in storehouse.In addition, the side in the left side of heat insulation framework 20 (X side), is provided with for removing the pressure-regulating device 30 of the negative pressure state in storehouse.
Insulated door 21 is so-called external doors, is provided with for carrying out the control panel 31 of Temperature Setting in storehouse etc.At the left end of insulated door 21, be provided with for opening and closing the handle 32 of insulated door 21.In addition, the side in heat insulation framework 20 left sides, is provided with while closing insulated door 21 for the fixing Lock Part 33 of insulated door 21 together with handle 32.In the inner side of insulated door 21, as inside door, be provided with for improving the insulated door 22 of the thermal insulation in storehouse.
Fig. 3 is the top view of low temperature storage 10.Heat insulation framework 20 comprises: for example metal interior case 40, cover in case 40 and the metal outer container 41 that arranges, for improving the heat-barrier material 42 of filling between the thermal insulation case 40 of heat insulation framework 20 and outer container 41.In addition, the front surface of interior case 40 and outer container 41 has the opening surface for discrepancy such as frozen goods.
Insulated door 21 is metal doors that heat-barrier material 45 has been filled in inside.In addition, the circumference at the inside-of-refrigerator of insulated door 21, is provided with while closing insulated door 21 for improving the bubble-tight liner 46 in storehouse.In pressure-regulating device 30, do not have air come in and go out and close insulated door at 21,22 o'clock, low temperature storage 10 becomes air-tight state.
At this, the details of pressure-regulating device 30 is described with reference to Fig. 4.Fig. 4 means the local stereogram of the thermal wall of the pressure-regulating device 30 being decomposed and the heat insulation framework 20 that pressure-regulating device 30 is installed.
In the thermal wall of heat insulation framework 20 that pressure-regulating device 30 is installed, arrange by the through hole 50 connecting from lateral, storehouse inside-of-refrigerator.Pressure-regulating device 30 is by inserting through hole 50 and forming the air that makes outside storehouse to the parts 60,61 in the path flowing in storehouse and open wide or the latch 62 in the path that obturation passes air into forms.
Parts 60 are from inside-of-refrigerator, to insert flanged cartridge of through hole 50, and the vibrating part 71 that is formed with externally threaded cylinder part 70 and is integrally formed in one end of cylinder part 70 by outer peripheral face forms.
Parts 61 are from outside, storehouse, to insert flanged cartridge of through hole 50, cylinder part 72 and the vibrating part 73 that is integrally formed at one end of cylinder part 72, consist of.Inner peripheral surface at cylinder part 72 is formed with for the internal thread with being formed on the external thread spiro fastening on cylinder part 70.
Fig. 5 means the figure of the state of parts 60,61 actual installation in the thermal wall of heat insulation framework 20.By the external screw thread of cylinder part 70 and the internal screw-thread screw of cylinder part 72, vibrating part 71 is connected to the wall of interior case 40 from inside-of-refrigerator, and vibrating part 73 is connected to the wall of outer container 41 from outside, storehouse.Thus, vibrating part 71,73 is combined with the thermal wall of heat insulation framework 20 in the mode of the thermal wall from inside-of-refrigerator and the heat insulation framework 20 of outside, storehouse extruding.In addition, in the inner side of cylinder part 70 and cylinder part 72, as the path passing air into, be formed with the through hole 80 that connects inside-of-refrigerator and outside, storehouse.
Latch 62 is to open wide or the parts of the peristome 81 in the outside, storehouse of inaccessible through hole 80, as shown in Figure 6, external screw thread 75, knob 76 and liner 77, consists of.It should be noted that, knob 76 and liner 77 are equivalent to vibrating part.In addition, Fig. 6 is the stereogram of latch 62, and Fig. 7 is the side view of latch 62.
As shown in Figure 4, external screw thread 75 is the columned screw threads with the internal screw-thread screw of cylinder part 72.In the periphery of external screw thread 75, the direction screwing togather along external screw thread 75 is formed with a plurality of otch 100a～100d.The length of otch 100a～100d and the length d of the external screw thread shown in Fig. 7 75 are about equally.Therefore, otch 100a～100d is formed in the whole length range that screws togather direction of external screw thread 75.In addition, in the present embodiment, the mode that is uniformly-spaced arranged at external screw thread 75 peripheries with identical shaped otch 100a～100d is formed with external screw thread 75.
Knob 76 is integrally formed in one end of external screw thread 75 with external screw thread 75, and has for example diameter cylindrical shape longer than external screw thread 75.In addition, on the face of outer screw thread 75 sides of knob 76, along the periphery of external screw thread 75, be pasted with liner 77.
In addition, the internal screw-thread screw of external screw thread 75 and cylinder part 72 is also screwed into, thereby makes parameatal (being provided with the face of peristome 81) butt of liner 77 and vibrating part 73.Therefore, as shown in Figure 8, due to latch 62 inaccessible through hole 80 reliably, so can prevent that cold air is from Nei Xiang storehouse, storehouse external leakage.It should be noted that, Fig. 8 is the cutaway view (cutaway view when edge-Z direction is observed the A-B cross section of Fig. 3) of the pressure-regulating device 30 under the state of through hole 80 obturations.But, at this, for ease of understanding the cross section structure of pressure-regulating device 30, only recorded the otch 100a in the otch 100a～100d of external screw thread 75.
Fig. 9 is the cutaway view of the pressure-regulating device 30 under the unlimited state of through hole 80.It should be noted that, Fig. 9 is also cutaway view when similarly edge-Z direction is observed the A-B cross section of Fig. 3 with Fig. 8.When bolt-revolving parts 62 unclamp external screw thread 75, liner 77 becomes not the state with parameatal butt of vibrating part 73.In addition, under the state unclamping at external screw thread 75, the internal screw-thread screw of the part of external screw thread 75 and cylinder part 72.Under this state, do not have parts to block for example between otch 100a and a part for peristome 81.Therefore, for example, in storehouse, the in the situation that of negative pressure state, by unclamping external screw thread 75, can make the air outside storehouse flow in storehouse.That is to say, by unclamping external screw thread 75, can remove negative pressure state.
Above, the low temperature storage 10 of present embodiment is illustrated.Because the external screw thread 75 in latch 62 is formed with otch 100a～100d, so in the present embodiment, do not pull down latch 62 and just can remove the negative pressure state in storehouse.Consequently, while removing negative pressure state, the possibility that latch 62 drops reduces, and can alleviate user's burden.And, for example, in the situation that possessing, user can, by not having the latch of otch to remove the low temperature storage of negative pressure state, need only the latch 62 of again preparing to have otch, do not need special operation etc., just can access the effect identical with present embodiment.
In addition, can also for example replace external screw thread 75 and use the external screw thread that is provided with otch at cylinder part.But, for be provided with the external screw thread of otch at cylinder part for, because the inside of cylinder part is hollow, so there is situation about reducing as externally threaded part strength.For external screw thread 75, do not use cylinder part and use cylindrical member, thereby can improve the part strength of external screw thread 75.
In addition, for example, the otch of external screw thread 75 forms the part of screw thread 75 outside, also can access the effect identical with present embodiment.But for example, in the situation that be only provided with a part of otch from the front end (with one end of knob 76 opposition sides) of external screw thread 75, for being communicated with in Wai He storehouse, storehouse, user excessively rotates knob 76, this also may pull down latch 62.For external screw thread 75, otch 100a is formed in the whole length range that screws togather direction of external screw thread 75.Therefore, user rotates a little knob 76 and external screw thread 75 is unclamped, and just can remove reliably negative pressure state.
In addition, at external screw thread 75, be formed with 4 otch 100a～100d.Therefore, for example, compare with only having the situation of 1 otch, can remove quickly the negative pressure state in storehouse.
In addition, for example, the through hole outside connection Nei He storehouse, storehouse also can be arranged at the insulated door 21 of the front surface of low temperature storage 10.But because insulated door and the present embodiment of common low temperature storage similarly becomes dual structure (structure with inside door and external door), therefore, in the situation that front surface arranges through hole, it is complicated that the structure of low temperature storage becomes.In low temperature storage 10, because through hole 80 is arranged on the thermal wall of heat insulation framework 20 sides, so can guarantee user's convenience, and make the structure of low temperature storage 10 become simple structure.
In addition, above-described embodiment is the embodiment enumerating for ease of understanding the present invention, does not limit the present invention.The present invention, within not departing from the scope of its purport, can change, improve, and the present invention also comprises its equivalent construction.
Claims (6)
1. a latch, for low temperature storage, this low temperature storage comprises: have opening surface heat insulation framework, open wide or the insulated door of inaccessible described opening surface, to being accommodated in the article of described heat insulation framework inside, carrying out cooling cooling device, from forming lateral, the storehouse inside-of-refrigerator of the thermal wall of described heat insulation framework, connect and form female through hole at inner peripheral surface, described latch is to open wide or the latch of the peristome in the outside, described storehouse of inaccessible described through hole, it is characterized in that
Have: with the external screw thread of described internal screw-thread screw, by described external screw thread and described internal screw-thread screw and be provided with the vibrating part of the face butt of described peristome with the described peristome of obturation,
Described external screw thread is formed with otch in the part of periphery, described external screw thread and described internal screw-thread screw and described vibrating part not be provided with under the state of face butt of described peristome, described otch opens wide the part of described peristome.
2. latch as claimed in claim 1, is characterized in that, described external screw thread is to form in the part of the periphery of cylindrical member the screw thread of stating to some extent otch.
3. latch as claimed in claim 1 or 2, is characterized in that, described externally threaded described otch forms in the described externally threaded whole length range that screws togather direction.
4. latch as claimed in claim 3, is characterized in that, described external screw thread has a plurality of described otch.
5. a low temperature storage, is characterized in that, has:
The heat insulation framework with opening surface;
Open wide or the insulated door of inaccessible described opening surface;
To being accommodated in the article of described heat insulation framework inside, carry out cooling cooling device;
From forming, lateral, the storehouse inside-of-refrigerator of the thermal wall of described heat insulation framework connects and inner peripheral surface forms female through hole;
Open wide or the latch of inaccessible peristome, this latch comprise with the external screw thread of described internal screw-thread screw, by described external screw thread and described internal screw-thread screw and with the face butt of described peristome in outside, described storehouse that is provided with described through hole with the vibrating part of the described peristome of obturation
Described external screw thread is formed with otch in the part of periphery, described external screw thread and described internal screw-thread screw and described vibrating part not be provided with under the state of face butt of described peristome, described otch opens wide the part of described peristome.
6. low temperature storage as claimed in claim 5, is characterized in that, described through hole is arranged on the described thermal wall of the side of described heat insulation framework.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010242447A JP5671675B2 (en) | 2010-10-28 | 2010-10-28 | Plug member, low temperature storage |
| JP2010-242447 | 2010-10-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102466384A CN102466384A (en) | 2012-05-23 |
| CN102466384B true CN102466384B (en) | 2014-09-17 |
Family
ID=44862739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110332932.2A Active CN102466384B (en) | 2010-10-28 | 2011-10-28 | Plug member and low-temperature storage |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20120103992A1 (en) |
| EP (1) | EP2447635B1 (en) |
| JP (1) | JP5671675B2 (en) |
| KR (1) | KR101396719B1 (en) |
| CN (1) | CN102466384B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9322589B2 (en) * | 2013-07-09 | 2016-04-26 | Eppendorf Ag | Unified freezer chamber venting with door handle |
| CN103697649B (en) * | 2013-12-24 | 2016-03-09 | 海信容声(广东)冰箱有限公司 | A kind of temperature-changing chamber has the refrigerator of nitrogen preservation function |
| KR101598443B1 (en) | 2015-02-13 | 2016-03-14 | 김만현 | Seat cover for vehicle, manufacturing method and device thereof |
| JP6603397B2 (en) | 2016-03-11 | 2019-11-06 | Ｐｈｃホールディングス株式会社 | Ultra-low temperature freezer |
| CN110715499B (en) * | 2018-07-11 | 2020-08-28 | 海尔智家股份有限公司 | Refrigerator with a door |
| WO2021124890A1 (en) * | 2019-12-18 | 2021-06-24 | Ｐｈｃホールディングス株式会社 | Refrigeration device |
| CN117469894B (en) * | 2023-12-26 | 2024-03-08 | 珠海格力电器股份有限公司 | Air pressure balancing device, low-temperature preservation box and control method thereof |
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| JP2010025471A (en) * | 2008-07-22 | 2010-02-04 | Sanyo Electric Co Ltd | Storage inner pressure regulating device of low temperature storage |
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- 2011-09-28 KR KR1020110098001A patent/KR101396719B1/en active IP Right Grant
- 2011-10-27 EP EP11186986.3A patent/EP2447635B1/en active Active
- 2011-10-28 CN CN201110332932.2A patent/CN102466384B/en active Active
- 2011-10-28 US US13/283,814 patent/US20120103992A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253705Y (en) * | 1996-02-01 | 1997-05-07 | 李建民 | Quick connector for tyre inflation |
| CN2574929Y (en) * | 2002-09-28 | 2003-09-24 | 宏竹实业股份有限公司 | Multifunction sunshade |
| JP2005233532A (en) * | 2004-02-20 | 2005-09-02 | Yasutaka Nakada | Professional-use refrigerator/freezer, container for storage and cold storage warehouse |
| JP2010025471A (en) * | 2008-07-22 | 2010-02-04 | Sanyo Electric Co Ltd | Storage inner pressure regulating device of low temperature storage |
| CN201353988Y (en) * | 2009-02-20 | 2009-12-02 | 句容益柯赛橡胶制品有限公司 | Spinning air cap |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2447635A3 (en) | 2018-05-30 |
| JP2012093055A (en) | 2012-05-17 |
| KR20120044887A (en) | 2012-05-08 |
| US20120103992A1 (en) | 2012-05-03 |
| CN102466384A (en) | 2012-05-23 |
| KR101396719B1 (en) | 2014-05-19 |
| EP2447635A2 (en) | 2012-05-02 |
| JP5671675B2 (en) | 2015-02-18 |
| EP2447635B1 (en) | 2020-06-17 |
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