CN220036482U - Door body sealing structure for temperature change test box - Google Patents
Door body sealing structure for temperature change test box Download PDFInfo
- Publication number
- CN220036482U CN220036482U CN202320955770.6U CN202320955770U CN220036482U CN 220036482 U CN220036482 U CN 220036482U CN 202320955770 U CN202320955770 U CN 202320955770U CN 220036482 U CN220036482 U CN 220036482U
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- sealing
- test box
- door
- temperature
- temperature change
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- 238000007789 sealing Methods 0.000 title claims abstract description 126
- 238000012360 testing method Methods 0.000 title claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000012153 distilled water Substances 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000002474 experimental method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 239000005341 toughened glass Substances 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to the technical field of temperature change test boxes, and discloses a door body sealing structure for a temperature change test box, which comprises a sealing door arranged at an opening of the test box, wherein a hinge connected with the side wall of the test box is arranged on the side wall of the sealing door, a hollow sealing frame is arranged at the inner side of the test box and close to the sealing door, and grooves are formed in the four side walls of the sealing frame and close to the hollow part. According to the utility model, the baffle plate body is formed by matching the baffle plate with the sealing frame, when the test box performs a low-temperature experiment, the sealing strip transmits low temperature to the rubber tube in the groove, distilled water in the rubber tube is condensed into ice at low temperature, shrinkage caused by cold of the baffle plate and the sealing frame is overcome by utilizing the thermal shrinkage and cold expansion effect of the water, gaps between the baffle plate and the sealing frame are blocked, and temperature leakage is avoided, otherwise, when the test box performs a high-temperature experiment, the baffle plate and the sealing frame expand with heat and contract with cold, and the gaps between the baffle plate and the sealing frame are blocked again, so that the temperature leakage is avoided, and the beneficial effects that the sealing structure effectively resists temperature difference ageing and cannot easily leak are achieved.
Description
Technical Field
The utility model relates to the technical field of temperature change test boxes, in particular to a door body sealing structure for a temperature change test box.
Background
The rapid temperature-changing test box is a test device for testing the limit temperature of products in industrial production. Such a test apparatus tests the tolerance of the product by rapid temperature change in a short time, thereby improving the production. The rapid temperature change test box is mainly used for experimental tests of some important electronic components and rubber products.
The temperature change test box is tested by utilizing temperature change, so that the air tightness of the test box is important, only the place where the leakage temperature exists is only the box door of the temperature change test box, and the box door is provided with sealing strips, so that the effect of sealing the test box is achieved by pressing the sealing strips through the closing of the box door, for example, the door body structure for the environment test box with convenient assembly and disassembly and high tightness disclosed by the publication number (CN 213573696U) adopts multi-layer hollow toughened glass and is matched with the sealing strips, so that the visible requirement of the door body structure is met, and meanwhile, the integral strength of the door body structure is greatly improved;
but when the temperature change test box is started, the temperature difference of the temperature change test box, which is quickly increased and decreased, can enable the sealing strip made of rubber to be aged rapidly, and because the sealing strip is adhered to the toughened glass in the technical scheme, once the sealing strip is aged and cracked, the whole sealing strip needs to be removed for replacement, and then only one replay sealing protection is adopted between the sealing strip and the toughened glass, and the sealing strip is leaked, so that the air tightness and the heat insulation performance of the test box cannot be ensured.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a door body sealing structure for a temperature change test box, which has the advantages that the sealing structure is additionally arranged in the temperature change test box to ensure the tightness of the temperature change test, the sealing structure is effective in resisting temperature difference aging, and the sealing structure cannot easily leak, and the like, and solves the technical problems.
Technical proposal
In order to achieve the above purpose, the present utility model provides the following technical solutions: the door body sealing structure for the temperature change test box comprises a sealing door arranged at an opening of the test box, a hinge connected with the side wall of the test box is arranged on the side wall of the sealing door, a hollow sealing frame is arranged at the inner side of the test box close to the sealing door, grooves are formed in four side walls of the sealing frame close to the hollow part, and rubber pipes filled with distilled water are placed at the inner sides of the grooves;
the sealing door is close to one side of the sealing frame and is connected with a screw rod, the outer side of the screw rod is connected with a spiral ring, and the tail end of the spiral ring is rotationally connected with a partition plate matched with the sealing door.
As the preferable technical scheme of the utility model, the sealing door is rotatably connected with the box body of the test box through a hinge fixedly connected with the side wall, the rear wall of the sealing door covers the opening of the test box, and a sealing strip is also arranged at the joint of the sealing door and the opening of the test box.
As the preferable technical scheme of the utility model, the sealing frame is a hollow frame body with four sides fixedly connected with four sides of the inner side of the test box, the four sides of the inner side of the sealing frame are provided with grooves parallel to the four sides of the inner side of the test box, and rubber pipes are fixedly arranged on the inner sides of the grooves.
As the preferable technical scheme of the utility model, the rubber tube is mutually matched with the groove, the rubber tube is kept on the top surface of the groove at normal temperature, the rubber tube is made of low-temperature-resistant rubber, the rubber tube is a hollow tube body with two sealed ends, and distilled water is filled inside the rubber tube.
As the preferable technical scheme of the utility model, the screw rod is fixedly arranged at the center of the rear wall of the sealing door and is in a relatively vertical state with the sealing door, and the screw rod is in threaded connection with the spiral ring.
As a preferable technical scheme of the utility model, the spiral ring is rotatably connected to the center of the front wall of the partition board, the partition board is detachably arranged on the rear wall of the sealing door through the spiral ring, and the side wall of the partition board is matched with the inner side of the sealing frame, and the partition board and the sealing frame are matched.
Compared with the prior art, the utility model provides a door body sealing structure for a temperature change test box, which has the following beneficial effects:
1. according to the utility model, the partition board is driven to lean against the sealing frame along with the overturning of the sealing door when the sealing door is closed, the partition board and the sealing door are in butt joint to form a whole block partition board body, and the beneficial effect of ensuring the sealing performance of a thermal change test by additionally arranging the sealing structure in the thermal change test box is achieved through double sealing of the block partition board body and the sealing door.
2. According to the utility model, the baffle plate body is formed by matching the baffle plate with the sealing frame, when the test box performs a low-temperature experiment, the sealing strip transmits low temperature to the rubber tube in the groove, distilled water in the rubber tube is condensed into ice at low temperature, shrinkage caused by cold of the baffle plate and the sealing frame is overcome by utilizing the thermal shrinkage and cold expansion effect of the water, gaps between the baffle plate and the sealing frame are blocked, and temperature leakage is avoided, otherwise, when the test box performs a high-temperature experiment, the baffle plate and the sealing frame expand with heat and contract with cold, and the gaps between the baffle plate and the sealing frame are blocked again, so that the temperature leakage is avoided, and the beneficial effects that the sealing structure effectively resists temperature difference ageing and cannot easily leak are achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the test chamber of the present utility model;
FIG. 2 is an expanded schematic view of the structure of the test chamber of the present utility model;
FIG. 3 is an exploded view of the seal frame structure of the present utility model;
FIG. 4 is an exploded view of the separator structure of the present utility model.
Wherein: 1. a test chamber; 2. sealing the door; 3. a sealing frame; 301. a groove; 4. a rubber tube; 5. a screw; 501. a spiro ring; 6. a partition board.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, a door body sealing structure for a temperature change test box comprises a sealing door 2 arranged at an opening of the test box 1, a hinge connected with the side wall of the test box 1 is arranged on the side wall of the sealing door 2, a hollow sealing frame 3 is arranged at the position, close to the sealing door 2, of the inner side of the test box 1, grooves 301 are formed in four side walls, close to the hollow position, of the sealing frame 3, and rubber tubes 4 filled with distilled water are placed at the inner sides of the grooves 301;
one side of the sealing door 2, which is close to the sealing frame 3, is connected with a screw rod 5, the outer side of the screw rod 5 is connected with a spiral ring 501, and the tail end of the spiral ring 501 is rotatably connected with a partition plate 6 which is matched with the sealing door 2.
Furthermore, the test box 1 is a temperature change test box disclosed in the citation document in the background art of the utility model, belongs to the existing equipment, and the principle and the function of the temperature change test box are not much described herein, and the sealing door 2 can be overturned under the function of a hinge by holding the sealing door 2 and is closed at the front opening of the test box 1.
Further, the partition plate 6 and the sealing door 2 are made of the same material and are made of transparent toughened glass, so that the sight of a user is not affected.
Further, before closing the sealing door 2, the partition 6 is connected to the sealing door 2 in a specific manner that the spiral ring 501 on the rear wall of the partition 6 is opposite to the screw 5, and the spiral ring 501 is rotated to be in threaded connection with the screw 5, so that the partition 6 is connected with the sealing door 2, and the partition 6 is parallel to the sealing door 2 and is driven to abut against the sealing frame 3 along with the overturning of the sealing door 2, so that the partition and the sealing frame are abutted to form a whole block partition body.
Further, when the test box 1 is subjected to a low-temperature experiment, the sealing strips transmit low temperature to the rubber tube 4 in the groove 301, and the rubber tube 4 is made of low-temperature resistant rubber and can bear the low temperature of-100 ℃ at the highest temperature, so that the rubber tube 4 cannot be embrittled due to low temperature and still remains elasticity, distilled water in the rubber tube 4 is condensed into ice at low temperature, shrinkage and expansion effects of the water are utilized to overcome shrinkage caused by cold of the partition plate 6 and the sealing frame 3, and gaps between the partition plate and the sealing frame are blocked, so that temperature leakage is avoided.
Further, when the test box 1 carries out the high temperature experiment, the baffle 6 and the sealing frame 3 expand with heat and contract with cold, and the gap between the two is plugged again, so that temperature leakage is avoided.
When the test box is used, the sealing door 2 is opened to expose the inner space of the test box 1, after a component or equipment to be tested is placed in the test box, the sealing door 2 is closed, the partition plate 6 is driven to be abutted against the sealing frame 3 along with the overturning of the sealing door 2, the sealing door and the sealing door are abutted to form a whole block plate body, when the test box 1 is subjected to a low-temperature test, the sealing strip transmits low temperature to the rubber tube 4 in the groove 301, the rubber tube 4 is made of low-temperature resistant rubber and can bear the low temperature of minus 100 ℃, so that the rubber tube 4 cannot be embrittled due to the low temperature, still keeps elasticity, but distilled water in the rubber tube 4 can be condensed into ice at the low temperature, the shrinkage and cold expansion effect of the water is utilized to overcome the shrinkage and cold expansion effect of the partition plate 6 and the sealing frame 3 due to the cold, so that the gap between the partition plate 6 and the sealing frame 3 is blocked, and the temperature leakage is avoided, otherwise when the test box 1 is subjected to the high-temperature test, the partition plate 6 and the sealing frame 3 are subjected to the heat expansion and the gap between the partition plate is blocked again, and the temperature leakage is avoided.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a door body seal structure for temperature change test chamber, includes install in sealing door (2) of test chamber (1) opening part, hinge, its characterized in that of sealing door (2) lateral wall installation connection test chamber (1) lateral wall: a hollow sealing frame (3) is arranged at the position, close to the sealing door (2), of the inner side of the test box (1), grooves (301) are formed in the four side walls, close to the hollow position, of the sealing frame (3), and rubber pipes (4) filled with distilled water are placed at the inner sides of the grooves (301);
the sealing door (2) is close to one side of the sealing frame (3) and is connected with a screw rod (5), a spiral ring (501) is connected to the outer side of the screw rod (5), and the tail end of the spiral ring (501) is rotationally connected with a partition plate (6) which is matched with the sealing door (2).
2. The door body sealing structure for a temperature change test chamber according to claim 1, wherein: the sealing door (2) is rotationally connected with the test box (1) through a hinge fixedly connected with the side wall, the rear wall of the sealing door (2) covers the opening of the test box (1), and a sealing strip is further arranged at the joint of the sealing door (2) and the opening of the test box (1).
3. The door body sealing structure for a temperature change test chamber according to claim 1, wherein: the sealing frame (3) is a hollow frame body with four sides fixedly connected with four sides of the inner side of the test box (1), four sides of the inner side of the sealing frame (3) are provided with grooves (301) which are parallel to four sides of the inner side of the test box (1), and rubber pipes (4) are fixedly arranged on the inner side of the grooves (301).
4. A door body sealing structure for a temperature change test chamber according to claim 3, wherein: the rubber tube (4) is mutually matched with the groove (301), the rubber tube (4) is kept parallel to the top surface of the groove (301) at normal temperature, the rubber tube (4) is made of low-temperature-resistant rubber, the rubber tube (4) is a hollow tube body with two sealed ends, and distilled water is filled inside the rubber tube (4).
5. The door body sealing structure for a temperature change test chamber according to claim 1, wherein: the screw (5) is fixedly arranged at the center of the rear wall of the sealing door (2) and is in a relatively vertical state with the sealing door (2), and the screw (5) is in threaded connection with the spiral ring (501).
6. The door body sealing structure for a temperature change test chamber according to claim 1, wherein: the spiral ring (501) is rotationally connected to the center of the front wall of the partition board (6), the partition board (6) is detachably arranged on the rear wall of the sealing door (2) through the spiral ring (501), and the side wall of the partition board (6) is matched with the inner side of the sealing frame (3) and is matched with the inner side of the sealing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320955770.6U CN220036482U (en) | 2023-04-25 | 2023-04-25 | Door body sealing structure for temperature change test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320955770.6U CN220036482U (en) | 2023-04-25 | 2023-04-25 | Door body sealing structure for temperature change test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036482U true CN220036482U (en) | 2023-11-17 |
Family
ID=88734174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320955770.6U Active CN220036482U (en) | 2023-04-25 | 2023-04-25 | Door body sealing structure for temperature change test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036482U (en) |
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2023
- 2023-04-25 CN CN202320955770.6U patent/CN220036482U/en active Active
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