CN102466384A - Plug member and low-temperature storage - Google Patents
Plug member and low-temperature storage Download PDFInfo
- Publication number
- CN102466384A CN102466384A CN2011103329322A CN201110332932A CN102466384A CN 102466384 A CN102466384 A CN 102466384A CN 2011103329322 A CN2011103329322 A CN 2011103329322A CN 201110332932 A CN201110332932 A CN 201110332932A CN 102466384 A CN102466384 A CN 102466384A
- Authority
- CN
- China
- Prior art keywords
- thread
- screw thread
- external screw
- latch
- peristome
- 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.)
- Granted
Links
- 238000003860 storage Methods 0.000 title claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 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
- SFXVRNLGOSAWIV-UHFFFAOYSA-N 4-amino-N-[4-(methoxymethyl)phenyl]-7-(1-methylcyclopropyl)-6-(3-morpholin-4-ylprop-1-ynyl)pyrrolo[2,3-d]pyrimidine-5-carboxamide Chemical compound NC=1C2=C(N=CN=1)N(C(=C2C(=O)NC1=CC=C(C=C1)COC)C#CCN1CCOCC1)C1(CC1)C SFXVRNLGOSAWIV-UHFFFAOYSA-N 0.000 description 1
- 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
Images
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 that is used for frozen goods etc. and bio-tissue and sample etc., exist air in the storehouse to be cooled and become the situation of air pressure in the storehouse negative pressure state lower than the air pressure outside the storehouse.When becoming negative pressure state in the storehouse, the door of opening low temperature storage becomes difficult, therefore in low temperature storage, is provided with the pressure-regulating device (for example, patent documentation 1) that is used to remove the negative pressure state in the storehouse usually.
Patent documentation 1: TOHKEMY 2010-25471 communique
In patent documentation 1, the bolt that the port that the user will flow in the storehouse the storehouse outer air that makes low temperature storage stops up is pulled down, and removes the negative pressure state in the storehouse thus.Yet when the user pulled down the bolt of block ports, bolt can drop sometimes.Under this situation,, there is the bolt that drops becomes user's burden with block ports once more the situation of picking up because of the structure that position and low temperature storage are set of low temperature storage etc.
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, when the user removes the negative pressure state of low temperature storage, can alleviate user's burden.
For realizing above-mentioned purpose; The latch of one side of the present invention is used for low temperature storage; This low temperature storage comprises: have opening surface heat insulation framework, open wide or the insulated door of inaccessible said opening surface, to being accommodated in cooling device that the inner article of said heat insulation framework cool off, connecting and form female through hole at inner peripheral surface from lateral, the storehouse inside-of-refrigerator of the thermal wall that constitutes said heat insulation framework; Said latch is to open wide or the latch of the peristome in the outside, said storehouse of inaccessible said through hole; It is characterized in that; Have: with the external screw thread of said internal screw-thread screw, through said external screw thread and said internal screw-thread screw and with the vibrating part of the face butt that is provided with said peristome with the said peristome of obturation; Said external screw thread is formed with otch in the part of periphery, said external screw thread and said internal screw-thread screw and said vibrating part not with the state of the face butt that is provided with said peristome under, said otch opens wide the part of said peristome.
According to the present invention, a kind of latch can be provided,, the user can alleviate user's burden when removing the negative pressure state of low temperature storage.
Description of drawings
Fig. 1 is the stereogram of the low temperature storage 10 of an embodiment of the present invention.
Fig. 2 is the stereogram of the low temperature storage 10 under the state that opens wide of insulated door 21,22.
Fig. 3 is the vertical view of low temperature storage 10.
Fig. 4 is the figure of a part of the thermal wall of the pressure-regulating device 30 that is decomposed of expression and heat insulation framework 20.
Fig. 5 is the figure of expression parts 60 and the state of parts 61 actual installation on 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 inaccessible state of through hole 80.
Fig. 9 is the cutaway view of the pressure-regulating device 30 under the state that opens wide 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
Case in 40
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 through this specification and accompanying drawing at least can clear and definite following item.
With reference to Fig. 1 and Fig. 2, the summary of the low temperature storage 10 of an embodiment of the present invention is described.Fig. 1 is the stereogram of the low temperature storage 10 under insulated door 21 closing state, and Fig. 2 is the stereogram of the low temperature storage 10 under the state that opens wide of insulated door 21,22.Need to prove that at this, X-direction is made as the left and right directions with respect to low temperature storage 10, 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.
The ultralow temperature province of low temperature storage 10 below for example-85 ℃ carried out the preservation of storage and bio-tissue of frozen goods etc. etc., possesses front surface (+Z side) and has the heat insulation framework 20 of 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 the cooling device 23 to cooling off in the storehouse.In addition, the side in the left side of heat insulation framework 20 (X side) is provided with the pressure-regulating device 30 that is used to remove the negative pressure state in the storehouse.
Insulated door 21 is so-called external doors, is provided with the control panel 31 of temperature setting of being used to carry out in the storehouse etc.At the left end of insulated door 21, be provided with the handle 32 that is used to open and close insulated door 21.In addition, the side in heat insulation framework 20 left sides is provided with and is used for when closing insulated door 21 with the fixing Lock Part 33 of insulated door 21 of handle 32.In the inboard of insulated door 21, be provided with the insulated door 22 that is used to improve the thermal insulation in the storehouse as inside door.
Fig. 3 is the vertical view of low temperature storage 10.Heat insulation framework 20 comprises: case 40 in for example metal, cover in case 40 and the metal outer container 41 that is provided with, heat-barrier material 42 for filling between the thermal insulation case 40 that improves heat insulation framework 20 and the outer container 41.In addition, the front surface of interior case 40 and outer container 41 has cooling and freezes the opening surface that article etc. are come in and gone out.
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 the bubble-tight liner 46 that is used to when closing insulated door 21 improve in the storehouse.In pressure-regulating device 30, do not have air discrepancy and closed 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 is the stereogram of part of the thermal wall of the pressure-regulating device that is decomposed of expression 30 and the heat insulation framework 20 that pressure-regulating device 30 is installed.
On the thermal wall of the heat insulation framework 20 that pressure-regulating device 30 is installed, the through hole 50 that is connected by the inside-of-refrigerator from the lateral, storehouse is set.Pressure-regulating device 30 constitutes the parts 60,61 and the latch 62 unlimited or path that obturation passes air in the path that the air the storehouse outside flows into by inserting through hole 50 and forming in the storehouse.
Fig. 5 is the figure of the state of expression parts 60,61 actual installation on the thermal wall of heat insulation framework 20.Through the external screw thread of cylinder part 70 and the internal screw-thread screw of cylinder part 72, the wall of case 40 in vibrating part 71 is connected to from inside-of-refrigerator, vibrating part 73 is connected to the wall of outer container 41 from the outside, storehouse.Thus, vibrating part 71,73 combines with the thermal wall of heat insulation framework 21 with the mode of the thermal wall of the heat insulation framework 21 of extruding outside inside-of-refrigerator and storehouse.In addition, in the inboard of cylinder part 70 and cylinder part 72,, be formed with the through hole 80 that connects the inside-of-refrigerator and the outside, storehouse as the path that passes air into.
Latch 62 is to open wide or the parts of the peristome 81 in the outside, storehouse of inaccessible through hole 80, and is as shown in Figure 6, is made up of external screw thread 75, knob 76 and liner 77.Need to prove 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 that screws togather along external screw thread 75 is formed with a plurality of otch 100a～100d.The length d of the length of otch 100a～100d and external screw thread shown in Figure 7 75 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 this embodiment, the mode that uniformly-spaced is 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 an end of external screw thread 75 with external screw thread 75, and has the cylindrical shape longer than external screw thread 75 of diameter for example.In addition, on the face of outer screw thread 75 sides of knob 76, be pasted with liner 77 along the periphery of external screw thread 75.
In addition, the internal screw-thread screw of external screw thread 75 and cylinder part 72 also is 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 because the inaccessible reliably through hole 80 of latch 62, thus can prevent cold air in the storehouse to the storehouse external leakage.Need to prove that Fig. 8 is the cutaway view (cutaway view during the A-B cross section of edge-Z direction observation Fig. 3) of the inaccessible state of through hole 80 pressure-regulating device 30 down.But,,, only put down in writing the otch 100a among the otch 100a～100d of external screw thread 75 for ease of understanding the cross section structure of pressure-regulating device 30 at this.
Fig. 9 is the cutaway view of the pressure-regulating device 30 under the state that opens wide of through hole 80.Need to prove that Fig. 9 also is the cutaway view when likewise edge-Z direction is observed the A-B cross section of Fig. 3 with Fig. 8.Rotation latch 62 is when unclamping external screw thread 75, and liner 77 becomes not the state with parameatal butt of vibrating part 73.In addition, under the state that external screw thread 75 unclamps, the internal screw-thread screw of the part of external screw thread 75 and cylinder part 72.Under this state, there are not parts to block between the part of for example otch 100a and peristome 81.Therefore, for example, in the storehouse, be under the situation of negative pressure state,, the air outside the storehouse flowed in the storehouse through unclamping external screw thread 75.That is to say,, can remove negative pressure state through unclamping external screw thread 75.
More than, the low temperature storage 10 of this embodiment is illustrated.Because the external screw thread 75 in latch 62 is formed with otch 100a～100d, so in this embodiment, do not pull down latch 62 and just can remove the negative pressure state in the storehouse.Consequently, when removing negative pressure state, the possibility that latch 62 drops reduces, and can alleviate user's burden.And; For example, possess the user under the situation of the low temperature storage that can remove negative pressure state through the latch that does not have otch, as long as prepare to have the latch 62 of otch again; Do not need special operation etc., just can access the effect identical with this 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 the external screw thread that is provided with otch at cylinder part, 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 this embodiment.But, for example, only be provided with under the situation of a part of otch at front end (with an end of knob 76 opposition sides) from external screw thread 75, for outside the connection storehouse and in the storehouse, the user excessively rotates knob 76, and this also possibly 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, the user rotates knob 76 a little and external screw thread 75 is unclamped, and just can remove negative pressure state reliably.
In addition, be formed with 4 otch 100a～100d at external screw thread 75.Therefore, for example, compare, can remove the negative pressure state in the storehouse quickly with the situation of having only 1 otch.
In addition, for example, be communicated with in the storehouse and the through hole outside the storehouse also can be arranged at the insulated door 21 of the front surface of low temperature storage 10.But, because insulated door and this embodiment of common low temperature storage likewise become dual structure (structure with inside door and external door), therefore, being provided with at front surface under the situation of through hole, it is complicated that the structure of low temperature storage becomes.In low temperature storage 10,, therefore can guarantee user's convenience, and make the structure of low temperature storage 10 become simple structure because through hole 80 is arranged on the thermal wall of heat insulation framework 20 sides.
In addition, the foregoing description is that listed examples does not limit the present invention for ease of understanding the present invention.The present invention can change, improve in the scope that does not break away from its purport, and the present invention also comprises its equivalent construction.
Claims (6)
1. latch; Be used for low temperature storage; This low temperature storage comprises: have opening surface heat insulation framework, open wide or the insulated door of inaccessible said opening surface, to being accommodated in cooling device that the inner article of said heat insulation framework cool off, connecting and form female through hole at inner peripheral surface from lateral, the storehouse inside-of-refrigerator of the thermal wall that constitutes said heat insulation framework; Said latch is to open wide or the latch of the peristome in the outside, said storehouse of inaccessible said through hole, it is characterized in that
Have: with the external screw thread of said internal screw-thread screw, through said external screw thread and said internal screw-thread screw and with the vibrating part of the face butt that is provided with said peristome with the said peristome of obturation,
Said external screw thread is formed with otch in the part of periphery, said external screw thread and said internal screw-thread screw and said vibrating part not with the state of the face butt that is provided with said peristome under, said otch opens wide the part of said peristome.
2. latch as claimed in claim 1 is characterized in that, said external screw thread is the screw thread that is formed with said otch in the part of the periphery of cylindrical member.
3. according to claim 1 or claim 2 latch is characterized in that, said externally threaded said otch forms in the said externally threaded whole length range that screws togather direction.
4. latch as claimed in claim 3 is characterized in that, said external screw thread has a plurality of said otch.
5. low temperature storage is characterized in that having:
Heat insulation framework with opening surface;
Open wide or the insulated door of inaccessible said opening surface;
To being accommodated in the cooling device that the inner article of said heat insulation framework cool off;
Connect and inner peripheral surface forms female through hole from lateral, the storehouse inside-of-refrigerator of the thermal wall that constitutes said heat insulation framework;
Open wide or the latch of inaccessible peristome; This latch comprise with the external screw thread of said internal screw-thread screw, through said external screw thread and said internal screw-thread screw and with the face butt of the said peristome in the outside, said storehouse that is provided with said through hole vibrating part with the said peristome of obturation
Said external screw thread is formed with otch in the part of periphery, said external screw thread and said internal screw-thread screw and said vibrating part not with the state of the face butt that is provided with said peristome under, said otch opens wide the part of said peristome.
6. low temperature storage as claimed in claim 5 is characterized in that, said through hole is arranged on the said thermal wall of the side of said 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 true CN102466384A (en) | 2012-05-23 |
| CN102466384B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715499A (en) * | 2018-07-11 | 2020-01-21 | 青岛海尔股份有限公司 | Refrigerator with a door |
| CN117469894A (en) * | 2023-12-26 | 2024-01-30 | 珠海格力电器股份有限公司 | Air pressure balancing device, low-temperature preservation box and control method thereof |
Families Citing this family (5)
| 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 |
| WO2021124890A1 (en) * | 2019-12-18 | 2021-06-24 | Ｐｈｃホールディングス株式会社 | Refrigeration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110715499A (en) * | 2018-07-11 | 2020-01-21 | 青岛海尔股份有限公司 | Refrigerator with a door |
| CN110715499B (en) * | 2018-07-11 | 2020-08-28 | 海尔智家股份有限公司 | Refrigerator with a door |
| CN117469894A (en) * | 2023-12-26 | 2024-01-30 | 珠海格力电器股份有限公司 | Air pressure balancing device, low-temperature preservation box and control method thereof |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2447635A3 (en) | 2018-05-30 |
| JP2012093055A (en) | 2012-05-17 |
| CN102466384B (en) | 2014-09-17 |
| KR20120044887A (en) | 2012-05-08 |
| US20120103992A1 (en) | 2012-05-03 |
| KR101396719B1 (en) | 2014-05-19 |
| EP2447635A2 (en) | 2012-05-02 |
| JP5671675B2 (en) | 2015-02-18 |
| EP2447635B1 (en) | 2020-06-17 |
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