CN101362109B - Temperature-control sealed door of warm-pressing experiment box - Google Patents
Temperature-control sealed door of warm-pressing experiment box Download PDFInfo
- Publication number
- CN101362109B CN101362109B CN2008102232084A CN200810223208A CN101362109B CN 101362109 B CN101362109 B CN 101362109B CN 2008102232084 A CN2008102232084 A CN 2008102232084A CN 200810223208 A CN200810223208 A CN 200810223208A CN 101362109 B CN101362109 B CN 101362109B
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- Prior art keywords
- door
- temperature
- door frame
- sealing ring
- sealing
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- Expired - Fee Related
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- 238000002474 experimental method Methods 0.000 title claims description 9
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000011229 interlayer Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 22
- 238000001125 extrusion Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract 5
- 238000000034 method Methods 0.000 description 6
- 238000004321 preservation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a temperature-control air-tight door of a warm-pressing multi-purpose experimental box. The temperature-control air-tight door consists of wall panels of a box body, a door, a door frame, a door shaft, a door shaft fixed seat, a sealing ring and a rotary joint, wherein, the door is spliced and welded by the fixed seat milled with an observation window, a plurality of metal plates of parallel groove channels and a thin-gauge skin and the parallel groove channels at the interlayer of door wall carry out the heat exchanging circulation between flow-in fluid and flow-out fluid through a fluid inputting port and a fluid outputting port; door fixing holes with four screw threads are arranged at the periphery of the door frame and screwed into screw holes by four knobs each of which is provided with a spring, which increases the tightening force and the close pressing of the sealing ring, and can realize the sealing between the door and the door frame; the rotary joint consists of a metal hose, an exchanger and a rotary pipe and can keep internal fluid in a sealing state during the rotation. The temperature-control air-tight door can ensure that the temperature of the door conforms to that of the air in the box, thus basically avoiding the temperature influence of the door and the environment; and the temperature-control air-tight door can also increase the extrusion force between the door and the door frame so that the sealing ring can be contacted with the door more closely so as to effectively reduce the pressure leakage of the experimental box.
Description
The technical field is as follows:
the invention relates to a temperature control sealing door of a gas temperature and pressure comprehensive experiment box, in particular to a sealing door which has large variation range of gas temperature and pressure, has high requirements on the sealing performance of the experiment box and the temperature index of internal gas and needs active temperature control. Belongs to the technical field of laboratory temperature control equipment.
(II) background technology:
referring to fig. 1, a sealing door 2 'of a conventional gas warm-pressing experimental box includes a door shaft 4', a handle 11 ', an observation window 10', an observation window fixing seat 9 'and a knob 6'. The doorframe 3 ' is arranged on the wall plate 1 ' of the experiment box, and a door shaft fixing seat 7 ', a sealing ring 8 ' and a door fixing hole 5 ' are welded on the doorframe. The outer side of the door wall is provided with a heat preservation layer for heat preservation, and the door shaft is matched with the screwing knob, so that the door extrudes the sealing ring on the door frame to realize sealing.
The sealing door adopting the structure has the following problems:
1. the door-hinge can not provide great extrusion force with the knob complex mode of screwing, and especially when the internal and external differential pressure is too big in the box, the trend of gas leakage strengthens, leads to the fact the pressure seepage easily on one side of being close to the door-hinge.
2. The door and the internal gas have temperature difference, and the door has large mass and large heat capacity, so that the internal gas temperature field is continuously influenced.
3. When the difference between the gas temperature and the ambient temperature in the experimental box is too large, the joint of the door and the door frame easily causes temperature leakage, the uniformity of the temperature field near the door in the experimental box is poor, and then the whole gas temperature field in the experimental box is influenced.
(III) the invention content:
1 purpose
The invention provides a temperature-control sealing door of a temperature-pressure comprehensive experiment box, which can ensure that the temperature of the door is consistent with the temperature of gas in the box, and basically eradicates the temperature influence from the door and the environment; the pressure leakage test device can increase the extrusion force between the door and the door frame, so that the sealing ring is in closer contact with the door, and the pressure leakage of the test box is effectively reduced.
2 technical scheme
The invention relates to a temperature control sealing door of a temperature and pressure comprehensive experiment box, which consists of a box body wall plate, a door frame, a door shaft fixing seat, a sealing ring and a rotary joint; the sealing ring is placed in the door frame with the groove, the door frame is welded in the center of the wall plate of the box body, the door is installed in a door shaft fixing seat on the door frame through a door shaft on the door frame, and the rotary joint is fastened on the wall plate of the box body through a screw with a spring.
The door is formed by mutually connecting a fixed seat provided with an observation window, a metal plate provided with parallel groove channels and a skin, wherein the parallel groove channels in the interlayer of the door wall enter and flow out of liquid through a liquid input port and a liquid output port to perform heat exchange circulation, and the door handle and the observation window are arranged on the outer side of the door;
four threaded door fixing holes are formed in the periphery of the door frame, four knobs with springs are screwed into the screw holes, the tightening force is increased, the sealing ring is pressed, and the door frame are sealed;
the rotary joint consists of a metal hose, a converter and a rotary pipe, wherein the converter is fixed on a wall plate of the box body by four screws with springs; the metal hose can move in a small range, the rotating pipe can rotate around the axis, and the rotating pipe keeps the sealing state of the internal liquid in the rotating process;
wherein, the upper and lower of the left side of the door frame are respectively provided with a door shaft fixing seat. The door shaft fixing seat is provided with a through hole and fixed on the wall of the door frame by a screw with a spring, and the door shaft fixing seat can be extruded to realize small-range movement. In the process of screwing the door, the door shaft fixing seat and the rotary joint move along with the door together with the metal hose.
3. Advantages and effects
(1) The liquid circulation heat exchange channel in the interlayer of the door wall adopts a parallel structure, and the liquid is in direct contact with the door wall, so that the contact area is large, the heat transfer coefficient is high, the temperature control speed of the temperature control sealing door can be accelerated, and the temperature control stability is improved; and the parallel flow structure can greatly increase the total flow and the heat carrying capacity of the liquid passing through the heat exchange channel, and can ensure the heat supply of the temperature control of the box door.
(2) The application of the rotary joint can lead the heat exchange liquid to be transited to the heat exchange channel of the door wall interlayer from the tank wall pipeline without influencing the rotation of the door. And in the rotating process of the door, the heat exchange liquid can be always in a sealing state.
(3) The knob screwing structure enables the extrusion force of the door and the door frame to be larger, the combination is tighter, and the gas in the experimental box can be ensured to be always kept in a strict sealing state in the process of large-range pressure change. The door shaft fixing seat and the rotary joint can move together with the door in the screwing process of the knob by applying the spring screw, and the fastening of the door is not influenced.
(IV) description of the drawings:
FIG. 1 is a schematic view of a sealing door and a door frame of a conventional experimental box
FIG. 2 is a schematic view of a temperature-controlled sealing door and a door frame
FIG. 3 is an exploded view of a temperature-controlled sealing door
FIG. 4 schematic view of a rotary joint
FIG. 5 is a schematic view of the use of a spring screw
FIG. 6 is a schematic view of a door hinge fixing base
FIG. 7 schematic view of the direction of flow of the heat-exchange liquid
The reference numerals and symbols in the drawings are explained as follows:
1. 1' box wall plate; 2. A 2' door; 3. 3' a door frame; 4. A 4' door shaft;
5. 5' door fixing hole; 6. 6' knob; 7. 7' a door shaft fixing seat; 8. 8' a sealing ring;
9. 9' observation window fixing seat; 10. 10' observation window; 11. 11' a door handle;
12 a swivel joint; 13 a metal hose; 14 a converter; 15 rotating the tube;
16 through holes; 17, a screw; 18 springs; 19 a groove channel;
20 a liquid input port; 21 a liquid outlet; 22 a metal plate; 23 skin.
(V) specific embodiment:
referring to fig. 2, 3, 4, 5, 6 and 7, the temperature-controlled sealing door for the temperature-pressure comprehensive experiment box comprises a box body wall plate 1, a door 2, a door frame 3, a door shaft 4, a door shaft fixing seat 7, a sealing ring 8 and a rotary joint 12; the sealing ring 8 is placed in the door frame 3 with the groove, the door frame 3 is welded in the center of the box body wall plate 1, the door 2 is installed in the door shaft fixing seat 7 on the door frame 3 through the door shaft 4 on the door frame, and the rotary joint 12 is fastened on the box body wall plate 1 through a screw 17 with a spring 18.
The door 2 is formed by connecting an observation window fixing seat 9, a metal plate 22 provided with a groove channel 19 and a skin 23, the groove channel 19 in the interlayer of the door wall performs heat exchange circulation on the entering and exiting liquid through a liquid inlet 20 and a liquid outlet 21, and the door handle 11 and the observation window 10 are arranged on the outer side of the door 2.
Four threaded door fixing holes 5 are formed in the periphery of the door frame 3, four knobs 6 with springs 18 are screwed into the screw holes, the tightening force is increased, the sealing ring 8 is pressed, and the door 2 and the door frame 3 are sealed;
wherein, the upper and lower of the left end of the door frame 3 are respectively provided with a door shaft fixing seat 7. The door shaft fixing seat 7 is provided with a through hole 16, and is fixed on the wall of a door frame by a screw 17 with a spring, and the door shaft fixing seat can be extruded to realize small-range movement.
The rotary joint 12 consists of a metal hose 13, a converter 14 and a rotary pipe 15, the converter 14 is fixed on the box body wall plate 1 by four screws 17 with springs 18, one end of the converter 14 is connected with the metal hose 13, the other end is connected with the rotary pipe 15, and the rotary pipe 15 is connected with a liquid inlet 20 and a liquid outlet 21 of the door 2; the metal hose 13 can move in a small range, and the rotating pipe 15 can rotate around the axis and keeps the sealing state of the internal liquid during the rotation;
during the screwing process of the door, the door shaft fixing seat 7 and the rotary joint 12 move together with the metal hose 13 along with the door 2.
Claims (1)
1. The utility model provides a temperature-pressure comprehensive experiment case accuse temperature sealing door device, it comprises box wallboard, door frame, door-hinge fixing base, sealing ring, rotary joint, its characterized in that: the sealing ring is placed in a door frame with a groove, the door frame is welded in the center of a wall plate of the box body, the door is installed in a door shaft fixing seat on the door frame through a door shaft on the door frame, and the rotary joint is fastened on the wall plate of the box body through a screw with a spring; wherein,
the door is formed by mutually connecting a fixed seat provided with an observation window, a metal plate provided with parallel groove channels and a skin, wherein the parallel groove channels in the interlayer of the door wall enter and flow out of liquid through a liquid input port and a liquid output port to perform heat exchange circulation, and the door handle and the observation window are arranged on the outer side of the door;
the rotary joint consists of a metal hose, a converter and a rotary pipe, wherein the converter is fixed on a wall plate of a box body by four screws with springs; the metal hose is movable to a small extent, and the rotary pipe is rotatable about an axis, which maintains the sealed state of the internal liquid during rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102232084A CN101362109B (en) | 2008-09-27 | 2008-09-27 | Temperature-control sealed door of warm-pressing experiment box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102232084A CN101362109B (en) | 2008-09-27 | 2008-09-27 | Temperature-control sealed door of warm-pressing experiment box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101362109A CN101362109A (en) | 2009-02-11 |
| CN101362109B true CN101362109B (en) | 2010-12-22 |
Family
ID=40388819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102232084A Expired - Fee Related CN101362109B (en) | 2008-09-27 | 2008-09-27 | Temperature-control sealed door of warm-pressing experiment box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101362109B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722066B (en) * | 2009-12-22 | 2011-11-09 | 北京航空航天大学 | Box body of multi-parameter integrated measurement verification experimental box for temperature, humidity and pressure |
| CN101862687A (en) * | 2010-05-19 | 2010-10-20 | 苏州市金净净化设备科技有限公司 | Delivery window for biosafety cabinet |
| CN104499736A (en) * | 2014-12-19 | 2015-04-08 | 苏州市东华试验仪器有限公司 | Constant-temperature control lab |
| CN104763286B (en) * | 2015-04-24 | 2016-06-01 | 上海申雁制冷设备股份有限公司 | The doorframe of thermocycling case |
| CN107687075A (en) * | 2016-08-06 | 2018-02-13 | 蓬莱市大成洗涤机械有限公司 | A kind of door of washing machine |
| CN106990204B (en) * | 2017-05-19 | 2023-09-26 | 云南中烟工业有限责任公司 | Pressure bin for cigarette smoking machine and sealing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4936049A (en) * | 1989-06-26 | 1990-06-26 | Hansen Leslie N | Airtight door |
| CN1043986A (en) * | 1988-12-30 | 1990-07-18 | 保罗·伍尔恩公司 | The sealed door that shaft furnace is used |
| CN201074469Y (en) * | 2007-08-27 | 2008-06-18 | 北京瑞事达科技发展中心有限责任公司 | Stainless steel gas-tight door |
-
2008
- 2008-09-27 CN CN2008102232084A patent/CN101362109B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043986A (en) * | 1988-12-30 | 1990-07-18 | 保罗·伍尔恩公司 | The sealed door that shaft furnace is used |
| US4936049A (en) * | 1989-06-26 | 1990-06-26 | Hansen Leslie N | Airtight door |
| CN201074469Y (en) * | 2007-08-27 | 2008-06-18 | 北京瑞事达科技发展中心有限责任公司 | Stainless steel gas-tight door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101362109A (en) | 2009-02-11 |
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Granted publication date: 20101222 Termination date: 20120927 |