CN104930796A - Air-tight door - Google Patents
Air-tight door Download PDFInfo
- Publication number
- CN104930796A CN104930796A CN201410108893.1A CN201410108893A CN104930796A CN 104930796 A CN104930796 A CN 104930796A CN 201410108893 A CN201410108893 A CN 201410108893A CN 104930796 A CN104930796 A CN 104930796A
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- door body
- gas
- door
- air
- tight
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Classifications
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- 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
- F25D23/021—Sliding doors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention provides an air-tight door and relates to the technical field of fruit and vegetable air-conditioned storage and freshness retaining. The air-tight door comprises a door body with the heat preservation performance. The door body covers a door frame of an air-conditioned cold storehouse doorway and makes contact with a first flush door frame of the air-conditioned cold storehouse doorway and a second flush door frame of the ground. Inflatable air bags and sealing strips are sequentially arranged between the door body and the first flush door frame as well as between the door body and the second flush door frame of the ground and are located inside grooves in the periphery of the inner side of the door body. When the inflatable air bags are inflated to reach a preset pressure, the inflatable air bags squeeze the sealing strips, and the sealing strips make sealed contact with the first flush door frame and the second flush door frame of the ground. As the inflatable air bags arranged inside the periphery of the inner side of the door body are abutted against the sealing strips resistant to low temperature and high in expansion and flexibility to ensure the overall air tightness of an air-conditioned storehouse enclosing structure, the storage and freshness retaining time of fruits and vegetables is prolonged.
Description
Technical field
The present invention relates to CA Storage for Fruits and Vegetables field, particularly a kind of gas-tight door.
Background technology
The air-conditioned cold store of fruits and vegetables is used for fresh-retaining preserving, namely fruit and vegetables adopt after for a kind of preservation technique of gas regulation Storage in cold bank form.It is current state-of-the-art storage technique in the world, and represent direction and the main flow of the development of current fruit vegetables storing, be the new technology that fruit and vegetable food is realizing must adopting in agriculture industrialization process, project is given special assistance in the Ye Shi world simultaneously.It is under high temperature refrigeration (being greater than 0 DEG C) condition, in the enclosed structure of sealing, utilize air conditioning apparatus to control environment interior gas componant, namely oxygen concentration is reduced, control carbon dioxide gas content, remove ethylene gas, to reach the respiratory intensity suppressing fruits and vegetables live body, make it to be in normal and low-level respiratory metabolism state, and then extend storage fruit and vegetable phase and shelf sale object.
The manufacturer of air conditioning apparatus and device is still simple and easy production mostly, does not have formulation effective standard and method, and this has laid many troubles and inconvenience to production process virtually.
Summary of the invention
The object of the present invention is to provide a kind of gas-tight door, solve air-conditioned cold store run duration and occur the external hermatic door gas leakage pressure release problem that imbalance of pressure and temperature fluctuation bring.
In order to solve the problem, the embodiment of the present invention provides a kind of gas-tight door, comprises the door body with heat-insulating property, wherein,
Described door body is covered in a doorframe place, air-conditioned cold store doorway, air-conditioned cold store doorway first plane door frame contact described in described Men Tiyu and the second plane door frame contact with ground, all be disposed with air bag and sealing strip between wherein said door body and the first plane doorframe, between described door body and the second plane doorframe on ground, and described air bag and described sealing strip are arranged in the inner side surrounding groove of described door body;
When described air bag is inflated to a preset pressure, described air bag extrudes described sealing strip, and described sealing strip seals with the second plane doorframe on described first plane doorframe and ground respectively and contacts.
Wherein, described door body is respectively arranged with roller devices away from the both sides of the one end on ground, and described door body is respectively arranged with roller devices away from the both sides of the one end on ground, and described roller devices is mounted on the round metal thick stick above a body.
Wherein, utilize described roller devices to drive door body to move horizontally, described door body at least has two states in motion process:
During the first state, described door body covers the doorway of described air-conditioned cold store completely, and the roller of described door body both sides enters in the first groove on described round metal thick stick, and described door body is sagging, engages described door body; During the second state, described air-conditioned cold store doorway is exposed to outside described door body completely, and the roller of described door body both sides enters in the second groove on described round metal thick stick, engages described door body.
Wherein, described door body is provided with guider near the one end on ground, and described guider keeps the plumbness with ground for making a body in translational motion process.
Wherein, described door body vertical direction arranges multiple body locking devices, and described door body locking device matches with the syndeton on described first plane doorframe and carries out locking to described door body.
Wherein, described door body locking device is hook.
Wherein, described air bag is sealedly connected with gas-charging connection, described gas-charging connection is connected with Air filling and discharging valves by gas ducting.
Wherein, described door body is also arranged the pressure registration device be tightly connected with described air bag, described pressure registration device is for showing the pressure in described air bag.
Wherein, described Air filling and discharging valves and described pressure registration device are arranged on the lateral edges in the horizontal direction of described door body, and apart from ground one predeterminable range.
Wherein, the inner side of described door body and outside are provided with the door opener for gas-tight door described in switch.
Wherein, described sealing strip is rubber integral foam.
Technique scheme of the present invention at least has following beneficial effect:
In the gas-tight door of the embodiment of the present invention, the air-tightness of air-conditioned cold store building enclosure entirety is ensured by the rush to summit sealing strip of anti-low temperature height expansion high flexibility of the air bag that surrounding inside door body is built-in, avoid air-conditioned cold store run duration and occur the external hermatic door gas leakage pressure release problem that imbalance of pressure and temperature fluctuation bring, ensure that the air-tightness of controlled atmosphere cold door, improve the preservation and freshness time of fruits and vegetables.
Accompanying drawing explanation
Sectional drawing inside the door body that Fig. 1 represents the gas-tight door of the embodiment of the present invention;
Fig. 2 represents the door body inside structure schematic diagram of the gas-tight door of the embodiment of the present invention;
Fig. 3 represents the sectional drawing of the sealing strip of the gas-tight door of the embodiment of the present invention;
Fig. 4 represents the pressure registration setting position schematic diagram of the gas-tight door of the embodiment of the present invention;
Fig. 5 represents the concrete structure front view of the gas-tight door of the embodiment of the present invention.
Description of reference numerals:
1-door body, 2-groove, 3-air bag, 4-sealing strip, 6-pressure registration device, 7-roller devices, 8-guider, the sliding thick stick of 9-, 11-door body locking device, 12-door opener, 30-opening.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The present invention is directed in prior art for the equipment of fruit and vegetable air-conditioning preservation and device is simple and easy production mostly, the problem that the air-tightness of air-conditioned cold store is not strong, a kind of gas-tight door is provided, the air-tightness of air-conditioned cold store building enclosure entirety is ensured by the rush to summit sealing strip of anti-low temperature height expansion high flexibility of the air bag that surrounding inside door body is built-in, avoid air-conditioned cold store run duration and occur the external hermatic door gas leakage pressure release problem that imbalance of pressure and temperature fluctuation bring, ensure that the air-tightness of controlled atmosphere cold door, improve the preservation and freshness time of fruits and vegetables.
As shown in Figure 1 and Figure 2, the embodiment of the present invention provides a kind of gas-tight door, comprises the door body 1 with heat-insulating property, wherein,
Described door body 1 is covered in a doorframe place, air-conditioned cold store doorway, described door body 1 and described air-conditioned cold store doorway first plane door frame contact and the second plane door frame contact with ground, between wherein said door body 1 and the first plane doorframe, between described door body 1 and the second plane doorframe on ground, be all disposed with air bag 3 and sealing strip 4, and described air bag 3 and described sealing strip 4 are arranged in the inner side surrounding groove 2 of described door body 1;
When described air bag 3 is inflated to a preset pressure, described air bag 3 extrudes described sealing strip 4, and described sealing strip 4 seals with the second plane doorframe on described first plane doorframe and ground respectively and contacts.
In the above embodiment of the present invention, utilize the door body 1 with heat-insulating property can improve the fresh-keeping effect of fruits and vegetables; And between described door body 1 and described first plane doorframe, between described door body 1 and described second plane doorframe, air bag 3 and sealing strip 4 are all set, preferably, in order to ensure the air-tightness of corner, this groove 2 arranging this air bag 3 and sealing strip 4 is a through groove; The air bag (ensureing the air-tightness of Men Ti corner) that this air bag one of can be integrated is larger simultaneously also can be the multiple little air bag composition (be convenient to detect airtight situation, change the bad air bag of air-tightness in time) of next-door neighbour.
Preferably, in the above embodiment of the present invention, described sealing strip 4 is rubber integral foam.In the embodiment of the present invention, sealing strip 4 has good elasticity, flexibility, possesses stronger stretch capability simultaneously, resistance to migration, and cold-resistant heat resistance is good.In specific embodiments of the invention, adopt EPDM (EPDM) rubber integral foam, flexible fabulous, the temperature of-50 DEG C to+170 DEG C can be born, meet the requirement of preserving fruit and vegetable utilizing.It should be noted that, sealing bar is not limited to above-mentioned a kind of material, and other have fine elasticity, flexibility and the good material of obturation effect is all applicable in embodiments of the present invention.
In specific embodiments of the invention, in order to ensure the air-tightness of this gas-tight door, the doorway place of above-mentioned air-conditioned cold store does not arrange threshold, then need arrange hermetically-sealed construction on described door body 1 with the contact surface on ground, ensure its sealing.
Preferably, as shown in Figure 2, inside door body surrounding, be provided with groove 2, and the two sides shape making groove 2 at an angle, preferably, this angle is less than or equal to 90 °, for engaging described sealing strip 4.
Further, in order to improve the utilization rate of sealing strip 4 material, the sectional drawing of above-mentioned sealing strip 4 as shown in Figure 3, can when ensure sealing bar 5 can with storehouse body doorframe seal contact, can be adjusted accordingly the shape of sealing strip 4, as as described in sealing strip 4 with as described in one end of contacting of air bag 3 opening (opening 30 as in Fig. 3) etc. is set, do not repeat one by one at this.
In the above embodiment of the present invention, inflated to described air bag 2 by charge valve, when described air bag 2 described sealing strip 4 pushed up to described first plane doorframe and described second plane doorframe close contact, gas-tight door then can ensure the air-tightness of storehouse body, makes the preservation and freshness time of fruits and vegetables longer; Wherein, described preset pressure value according to many experiments data acquisition, also can be arranged by user oneself, hommization more.
Further, when needing to open the door, need be released by the gas of described air bag 2 li by Air filling and discharging valves, then described sealing strip departs from air tight contact with storehouse body doorframe or contacts without pressure, then can open gas-tight door easily, and what facilitate fruits and vegetables goes out warehouse-in.
In another embodiment of the present invention, as shown in Figure 5, described door body is respectively arranged with roller devices 7 away from the both sides of the one end on ground, and described roller devices 7 is mounted on the round metal thick stick 9 above a body.
In specific embodiments of the invention, this gas-tight door is set to the door of push-and-pull parallel-moving type, comprise roller devices 7, wherein, roller devices 7 is connected with door body 1 by the round metal thick stick 9 be fixed on metope, and carry the load of a body 1, roller devices 7 carries a body 1 along sliding thick stick 9 and does the reciprocating action of closing the door of opening the door; Wherein, this circle thick stick 9 also can adopt other materials to make, and the round thick stick that all materials that can carry described door body 1 load are made is all applicable in embodiments of the present invention.Circle thick stick 9 is only preferred embodiment of the present invention (adopting circle thick stick resistance in sliding door body process less); but be not used in and limit the scope of the invention, can to configure the thick stick of other shapes used all applicable in embodiments of the present invention with described roller devices 7.
Further, described door body is provided with guider 8 near the one end on ground, and described guider 8 keeps the plumbness with ground for making a body in translational motion process.
Concrete, be symmetrical arranged a guider 8 with roller devices 7, ensure to open the door or door body 1 moves horizontally under plumbness at closing time by coordinating of roller devices 7 and guider 8.
Preferably, in the above embodiment of the present invention, guider 8 is for being arranged on and the slide plate of described door body near the one end (i.e. bottom) on ground, described slide plate and described bottom angled, guarantee open the door or at closing time door body move horizontally under plumbness, also ensure the air-tightness of this gas-tight door.
In the above embodiment of the present invention, utilize described roller devices 7 to drive described door body 1 to move horizontally, described door body 1 at least has two states in motion process:
During the first state, described door body covers the doorway of described air-conditioned cold store completely, and the roller of described door body both sides enters in the first groove on described round metal thick stick, and described door body is sagging, engages described door body; During the second state, described air-conditioned cold store doorway is exposed to outside described door body completely, and the roller of described door body both sides enters in the second groove on described round metal thick stick, engages described door body.
In the embodiment of the present invention, the groove of described round metal thick stick 9 plays a spacing effect, in order to enabling or at closing time, this gas-tight door can be fixed on full-gear (the first state) or full off state (the second state), can not slidably reciprocate when making a body be in a certain state, ensure the safety of turnover personnel.In specific embodiments of the invention, described round metal thick stick 9 is provided with 3 grooves, the groove 1 corresponding with described roller devices 7 at gas-tight door fully open position place, groove 2 and groove 3, the groove 4 corresponding with described roller devices 7 at gas-tight door closed positions place; In actual applications, in order to Appropriate application space, material etc., groove 2 and groove 3 are same groove.Illustrate as follows: when supposing full-gear, roller 1 is in groove 1, and roller 2 is in groove 2; Then during full off state, roller 1 is at groove 2(and groove 3) in, roller 2 is in groove 4.It should be noted that, groove on this round metal thick stick 9 is not limited only to above-mentioned number, also can arrange according to the actual demand of user, and such as user wishes to engage described door body in door state 1/2 place, pass, then groove can be set in the position of correspondence, engage to make described door body.
In further embodiment of this invention, as shown in Figure 4, described gas-tight door also comprises:
Described door body vertical direction arranges multiple body locking devices 11, and described door body locking device 11 matches with the syndeton on described first plane doorframe and carries out locking to described door body 1.
Wherein, described door body locking device 11 is hook.
In the above embodiment of the present invention, closer in order to what make a body 1 coordinate with body of wall or storehouse body, door body 1 arranges multiple body locking devices 11, door body locking device 11 coordinates with the syndeton on body of wall, as buckle structure, and screw structural etc., symmetrically arranged multiple body locking devices 11 are to prevent a body 1 while locking, another side is more loose, this gas-tight door is leaked gas, does not reach airtight effect.
General employing 4 hooks in specific embodiments of the invention, namely 2, the side, both sides of described door body 1 is symmetrical arranged; The number of the body of door described in practical application locking system 11 can determine according to the size of its gas-tight door, is not limited to a fixed value.
In the above embodiment of the present invention, described air bag 4 is sealedly connected with gas-charging connection, and described gas-charging connection is connected with Air filling and discharging valves by gas ducting;
Further, described door body is also arranged the pressure registration device 6 be tightly connected with described air bag, described pressure registration device 6 is for showing the pressure in described air bag.
In the above embodiment of the present invention, in order to hold accurately, whether whether this gas-tight door is in complete air-tight state, described door body 1 is also arranged one for showing the pressure registration device 6 of inflating air intraluminal pressure, when this gas-tight door complete airtight time, the pressure registration of this pressure registration device 6 should be fixed on a preset value (can fluctuate reasonable error); Wherein, the large I of this preset value, by many experiments data acquisition, also can be set by user oneself, be not limited to a fixed value.Separately, whether described pressure registration device 6 also can detect described air bag 2 and leak gas, if the normal work of described air bag 2, then, after inflation, the registration of this pressure registration device 6 is fixed on preset value; If described air bag 2 leaks gas, then, after inflation, the registration of this pressure registration device 6 can reduce gradually, then now gas-tight door gas leakage, does not have airtight effect, needs to keep in repair.
In the above embodiment of the present invention, as shown in Figure 4, described Air filling and discharging valves and described pressure registration device 6 are arranged on the lateral edges in the horizontal direction of described door body 1, and apart from ground one predeterminable range.
Conveniently staff is that air bag 2 is inflated by charge valve, charge valve is arranged on the Lower Half of a body, apart from ground one predeterminable range.See the pressure registration of air bag 2 simultaneously more intuitively, pressure registration device 6 and charge valve, vent valve are placed on nearer position.It should be noted that, the particular location of above-mentioned charge valve, vent valve and described pressure registration device is only the preferred embodiment of the embodiment of the present invention, be not used in and limit its particular location, on the basis ensureing its function, other positions are all applicable in embodiments of the present invention.
Further, the inner side of described gas-tight door and arranged outside have the door opener 12 for switch gate.
In order to opening the door and rationally exerting oneself when closing the door, help to open the door, the inner side of gas-tight door and arranged outside door opener 12; When staff opens the door from the inside, gas-tight door pushed open by the door opener 12 by inner side, and when staff opens the door from the outside, gas-tight door pushed open by the door opener 12 by outside, saves the strength of staff, improves efficiency.
Below in conjunction with Fig. 5, the switching process of the gas-tight door of the present invention one specific embodiment is described in detail:
Door closing procedure:
User is exerted a force to described door body 1 by door opener 12, and on described door body 1, two roller devices 7 carry Men Tizuo along the slide rail of described round metal thick stick 9 and to close the door action, and the guider 8 that door body bottom is installed ensures Men Tizuo vertical-horizontal motion in moving process; When door body 1 covers described air-conditioned cold store doorway completely, described roller devices 7 enters the groove on described round metal thick stick 9, and described door body naturally droops, and namely closes the door into position;
User is by described four metal hanger fastenings, then inflator is utilized to inflate described air bag 3 by Air filling and discharging valves, until described pressure registration device 6 shows described pressure when reaching preset value, stop inflation, now described sealing strip 4 seals with the second plane doorframe on described first plane doorframe and ground respectively through the extruding of described air bag 3 and contacts, and reaches obturation effect.
Door opening process:
First user is exitted to described air bag 3 by Air filling and discharging valves, when the described pressure of described pressure registration device 6 display is less, user is exerted a force by described door opener 12 opposite house body 1, roller devices 7 on described door body 1 moves horizontally along described slide rail, until described air-conditioned cold store doorway is exposed to described door external body completely, namely this gas-tight door is in full-gear, and now described roller devices 7 enters the groove on described round metal thick stick 9, prevent the body from rocking, complete enabling.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. a gas-tight door, comprises the door body with heat-insulating property, it is characterized in that,
Described door body is covered in a doorframe place, air-conditioned cold store doorway, air-conditioned cold store doorway first plane door frame contact described in described Men Tiyu and the second plane door frame contact with ground, all be disposed with air bag and sealing strip between wherein said door body and the first plane doorframe, between described door body and the second plane doorframe on ground, and described air bag and described sealing strip are arranged in the inner side surrounding groove of described door body;
When described air bag is inflated to a preset pressure, described air bag extrudes described sealing strip, and described sealing strip seals with the second plane doorframe on described first plane doorframe and ground respectively and contacts.
2. gas-tight door according to claim 1, is characterized in that, described door body is respectively arranged with roller devices away from the both sides of the one end on ground, and described roller devices is mounted on the round metal thick stick above a body.
3. gas-tight door according to claim 2, is characterized in that, utilize described roller devices to drive described door body to move horizontally, described door body at least has two states in motion process:
During the first state, described door body covers the doorway of described air-conditioned cold store completely, and the roller of described door body both sides enters in the first groove on described round metal thick stick, and described door body is sagging, engages described door body; During the second state, described air-conditioned cold store doorway is exposed to outside described door body completely, and the roller of described door body both sides enters in the second groove on described round metal thick stick, engages described door body.
4. gas-tight door according to claim 1 and 2, is characterized in that, described door body is provided with guider near the one end on ground, and described guider keeps the plumbness with ground for making a body in translational motion process.
5. gas-tight door according to claim 1, is characterized in that, described door body vertical direction arranges multiple body locking devices, and described door body locking device matches with the syndeton on described first plane doorframe and carries out locking to described door body.
6. gas-tight door according to claim 5, is characterized in that, described door body locking device is hook.
7. gas-tight door according to claim 1, is characterized in that, described air bag is sealedly connected with gas-charging connection, and described gas-charging connection is connected with Air filling and discharging valves by gas ducting.
8. gas-tight door according to claim 7, is characterized in that, described door body is also arranged the pressure registration device be tightly connected with described air bag, described pressure registration device is for showing the pressure in described air bag.
9. gas-tight door according to claim 8, is characterized in that, described Air filling and discharging valves and described pressure registration device are arranged on the lateral edges in the horizontal direction of described door body, and apart from ground one predeterminable range.
10. gas-tight door according to claim 1, is characterized in that, the inner side of described door body and outside are provided with the door opener for gas-tight door described in switch.
11. gas-tight doors according to claim 1, is characterized in that, described sealing strip is rubber integral foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410108893.1A CN104930796B (en) | 2014-03-21 | 2014-03-21 | Gas-tight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410108893.1A CN104930796B (en) | 2014-03-21 | 2014-03-21 | Gas-tight door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104930796A true CN104930796A (en) | 2015-09-23 |
| CN104930796B CN104930796B (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410108893.1A Active CN104930796B (en) | 2014-03-21 | 2014-03-21 | Gas-tight door |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105299229A (en) * | 2015-11-01 | 2016-02-03 | 冷光君 | Anti-corrosion box door air and liquid sealing device |
| CN108426413A (en) * | 2018-04-19 | 2018-08-21 | 青岛海尔股份有限公司 | Opposite opened door body assembly and refrigerator |
| CN108869740A (en) * | 2018-09-11 | 2018-11-23 | 贵州哈雷空天环境工程有限公司 | A kind of gas-flow closure door suitable for pressure vessel |
| CN108999522A (en) * | 2018-09-21 | 2018-12-14 | 佛山市广韩门窗科技有限公司 | A kind of mute casement window of magnetic sealing |
| CN109990541A (en) * | 2019-04-23 | 2019-07-09 | 绍兴华宝制冷设备有限公司 | A kind of sealed negative-pressure freezer |
| CN110206466A (en) * | 2019-05-08 | 2019-09-06 | 中国城市建设研究院有限公司 | Civil air defense constructions and installations hermatic door with air bag |
| CN110206465A (en) * | 2019-04-14 | 2019-09-06 | 中国城市建设研究院有限公司 | Exclusion seal door |
| CN112696126A (en) * | 2020-12-29 | 2021-04-23 | 杭州绿恒建材有限公司 | Aluminum-wood composite door and window with heat preservation connecting structure |
| CN113091376A (en) * | 2021-05-14 | 2021-07-09 | 海盐顺顺运输有限公司 | Intelligent freezer of subregion management |
| CN113503608A (en) * | 2021-07-26 | 2021-10-15 | 深圳市美兆环境股份有限公司 | Virus blocking section exhaust system design |
| CN113883793A (en) * | 2020-07-03 | 2022-01-04 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN115265076A (en) * | 2022-09-23 | 2022-11-01 | 南通市海门雪盾冷冻设备有限公司 | Translation formula insulation construction suitable for small-size freezer |
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