CN114192198A - Box door and test box - Google Patents
Box door and test box Download PDFInfo
- Publication number
- CN114192198A CN114192198A CN202111485838.0A CN202111485838A CN114192198A CN 114192198 A CN114192198 A CN 114192198A CN 202111485838 A CN202111485838 A CN 202111485838A CN 114192198 A CN114192198 A CN 114192198A
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- box
- door
- plate
- inner cover
- cover plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention relates to the technical field of test boxes, and particularly discloses a box door and a test box. The chamber door includes the door body and support frame, and the door body includes shell and inner decking, and the inboard uncovered setting of shell, inner decking shutoff set up on the inboard of shell. The door body can be movably arranged at the opening end of the box body, and the opening end of the box body is annularly provided with a sealing strip. The support frame ring is located the inside of shell and is leaned on in the interior apron, and when the open end that the door body lid fitted the box, the support frame can be just to on the sealing strip. The proof box includes above-mentioned chamber door, installs the support frame additional between the shell of the door body and inner decking, when the open end that the door body lid fits the box, because the support frame supports and leans on inner decking and just to the sealing strip of box, can avoid inner decking to receive the pressure deformation, has improved the structural stability of interior apron, makes interior apron and sealing strip remain throughout to support the pressure state simultaneously, avoids the phenomenon that the box takes place to leak gas, has improved the leakproofness of proof box.
Description
Technical Field
The invention belongs to the technical field of test boxes, and particularly relates to a box door and a test box.
Background
The impact test box is a necessary test device in the material industries of metal, plastic, rubber, electronics and the like, and is used for testing the degree of a material structure or a composite material which can bear under the continuous environment of instant high temperature and instant low temperature, so that the chemical change or physical damage and the like of a test sample caused by expansion with heat and contraction with cold can be detected in the shortest time.
The existing impact test chamber comprises a chamber body, a chamber door, a heating system, a refrigerating system, a controller and other components. The sealing strip is installed at the open end of the side wall of the box body, and after the box door is closed, the inside and outside environments of the test box are isolated by the sealing strip between the box body and the box door. The box door comprises an outer shell on the outer side and an inner cover plate close to the box body, the outer shell and the inner cover plate enclose a closed cavity, and heat insulation cotton is filled in the closed cavity.
At the use impact test case, especially cold and hot switching in-process, because the pressure in the box increases for interior apron and thermal-insulated cotton quilt compression form slightly sunken, thereby make the gap appear between interior apron and the sealing strip, the box takes place to leak gas, has destroyed the leakproofness of proof box, can take place the phenomenon that the box frosted even.
Disclosure of Invention
The invention aims to provide a box door and a test box, which are used for avoiding the concave deformation of an inner cover plate of the box door and improving the sealing property of the test box.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a door, comprising:
the door body comprises an outer shell and an inner cover plate, wherein the inner side of the outer shell is provided with an opening, and the inner cover plate is plugged and arranged on the inner side of the outer shell; the door body is movably arranged at the opening end of the box body, and a sealing strip is arranged at the opening end of the box body in a surrounding mode; and
the supporting frame is arranged in the shell in a surrounding mode and abutted to the inner cover plate, and when the door body covers the opening end of the box body, the supporting frame can be right opposite to the sealing strip.
Furthermore, the supporting frame is in a shape like a Chinese character 'ji', and comprises a top plate, side plates and a bottom plate, wherein the side plates extend from two opposite sides of the top plate respectively, and the top plate abuts against the inner cover plate; the side plate is far away from the edge of the top plate and extends outwards to be provided with the bottom plate, and the bottom plate is arranged on the inner wall of the shell.
Further, the bottom plate is welded to an inner wall of the housing.
Further, the top plate, the side plates and the bottom plate are integrally formed through bending.
Further, the door further includes:
and the heat insulation plate is clamped between the top plate and the inner cover plate.
Furthermore, a countersunk hole is formed in the heat-insulating plate, a positioning hole is correspondingly formed in the top plate, a fastening piece penetrates through the countersunk hole and then is in threaded connection with the positioning hole, and the fastening piece is lower than or flush with the end face, deviating from the top plate, of the heat-insulating plate.
Further, the heat insulation plate is a glass fiber plate.
Further, the door further includes:
and the two defrosting lines are arranged on the inner cover plate in a surrounding manner along the circumferential direction of the inner cover plate and are respectively positioned at the inner side and the outer side of the support frame.
Furthermore, a lightening hole is formed in the support frame.
A test chamber comprises the chamber door.
The invention has the beneficial effects that:
according to the door, the supporting frame is additionally arranged between the outer shell and the inner cover plate of the door body, when the door body covers the opening end of the box body, the supporting frame is abutted against the inner cover plate and is opposite to the sealing strip of the box body, so that the inner cover plate can be prevented from being pressed and deformed, the structural stability of the inner cover plate is improved, meanwhile, the inner cover plate and the sealing strip are always kept in an abutting state, the phenomenon of air leakage of the box body is avoided, and good sealing between the door and the box body is ensured.
The test box provided by the invention comprises the box door, the support frame is additionally arranged between the outer shell and the inner cover plate of the door body, when the door body covers the opening end of the box body, the support frame is abutted against the inner cover plate and is over against the sealing strip of the box body, so that the inner cover plate can be prevented from being pressed and deformed, the structural stability of the inner cover plate is improved, meanwhile, the inner cover plate and the sealing strip are always kept in an abutting state, the phenomenon of air leakage of the box body is avoided, and the sealing property of the test box is improved.
Drawings
Fig. 1 is a schematic structural diagram of a box door according to an embodiment of the present invention;
FIG. 2 is a schematic view of the interior of the rear door with the inner cover plate removed according to the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a support frame according to an embodiment of the present invention;
fig. 4 is a partially enlarged view of a portion a in fig. 2.
The component names and designations in the drawings are as follows:
10. a hinge plate;
1. a door body; 11. a housing; 12. an inner cover plate; 13. a visual window;
2. a support frame; 21. a top plate; 22. a side plate; 23. a base plate; 24. lightening holes; 25. positioning holes; 3. a heat-insulating plate; 31. and (4) countersinking.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment discloses a test chamber, which is a cold and hot impact test chamber and is used for testing the bearing degree of a material structure or a composite material under continuous environments of instantaneous high temperature and instantaneous low temperature. Of course, the test chamber may be a test chamber for other applications, and is not particularly limited herein.
The test box of this embodiment includes box, chamber door, heating system, refrigerating system and controller etc. and the controller can control heating system and refrigerating system respectively to switch between the internal high temperature environment of control box and low temperature environment.
The side surface of the box body of the test box is provided with an opening end, so that a test workpiece can be conveniently taken and placed from the box body through the opening end. As shown in fig. 1, the door includes a door body 1, the door body 1 includes an outer shell 11 and an inner cover plate 12, an inner side of the outer shell 11 facing the cabinet is open, and the inner cover plate 12 is closed and disposed on an inner side of the outer shell 11. Specifically, the outer shell 11 and the inner cover plate 12 enclose a closed cavity, and the closed cavity is filled with heat insulation cotton. Meanwhile, a visible window 13 is formed at the center of the outer case 11 and the inner cover 12, so that an operator can observe the inside of the case through the visible window 13.
In order to improve the accuracy of the test results, good sealing performance must be maintained between the box door and the box body. The hinge plate 10 is installed at the side interval of the door body 1 to through hinge plate 10 swing joint in the side of box upper end, make the door body 1 activity set up in the open end of box, thereby open or close the box. The open end ring of the box of this embodiment is equipped with the sealing strip, and after the chamber door was closed, inner decking 12 supported and pressed on the sealing strip, kept sealed through the sealing strip between box and the chamber door to keep apart the interior external environment of proof box.
In the use of proof box, when especially taking place cold and hot switching in the box, pressure in the box can increase, leads to interior apron 12 and thermal-insulated cotton quilt compression, forms slightly sunkenly to make the gap appear between interior apron 12 and the sealing strip, the box takes place to leak gas, has destroyed the leakproofness of proof box, can take place the phenomenon that the box frosted even.
In order to solve the above problem, as shown in fig. 2, the box door of the present embodiment further includes a supporting frame 2, and the supporting frame 2 is disposed inside the outer casing 11 and abuts against the inner cover plate 12. When the door body 1 covers the opening end of the box body, the support frame 2 can be right opposite to the sealing strip.
In this embodiment, install support frame 2 additional between shell 11 and the inner decking 12 through at the door body 1, when the open end of the door body 1 lid fit the box, because support frame 2 supports and leans on inner decking 12 and just to on the sealing strip of box, can avoid inner decking 12 compressive deformation, improved inner decking 12's structural stability, make inner decking 12 and sealing strip remain throughout to support the pressure state simultaneously, avoid the box to take place the phenomenon of gas leakage, guaranteed good sealed between the door body 1 and the box.
Specifically, the support frame 2 of the present embodiment is installed inside the housing 11 and is enclosed into a rectangular structure. As shown in fig. 3, the supporting frame 2 is shaped like a Chinese character 'ji', and includes a top plate 21, side plates 22 and a bottom plate 23, wherein the side plates 22 extend from two opposite sides of the top plate 21, and the top plate 21 abuts against the inner cover plate 12. The edge of the side plate 22 far away from the top plate 21 extends outwards to form a bottom plate 23, and the bottom plate 23 is arranged on the inner wall of the shell 11.
The bottom plate 23 of the present embodiment is welded to the inner wall of the housing 11. The bottom plate 23 increases the contact area between the support frame 2 and the shell 11, and facilitates the welding operation of the support frame 2. Meanwhile, the support frame 2 is connected with the shell 11 in a welding mode, so that the connection strength of the support frame 2 and the shell 11 is improved, and the support frame 2 can stably support the inner cover plate 12. In other embodiments, the bottom plate 23 may also be fixedly mounted in the housing 11 by bolts.
The support frame 2 of the present embodiment is a metal plate, specifically a steel plate, so as to ensure that the support frame 2 has sufficient strength. The top plate 21, the side plates 22 and the bottom plate 23 are integrally formed by bending, so that the processing is convenient and the cost is low. Meanwhile, the support frame 2 in the shape of a Chinese character 'ji' has high structural strength, and can stably support the inner cover plate 12 and avoid the inner cover plate 12 from deforming under pressure.
It should be noted that, because the support frame 2 is in a shape like a Chinese character 'ji', a hollow structure is formed between the two side plates 22, so that the weight of the support frame 2 is reduced, thereby being beneficial to reducing the weight of the box door, realizing the light weight of the box door, and facilitating the opening and closing operation of the box door.
Furthermore, a lightening hole 24 is arranged on the support frame 2. As shown in fig. 2 and 3, the side plate 22 of the supporting frame 2 is provided with a plurality of lightening holes 24 arranged at intervals, so that the weight of the supporting frame 2 is further reduced. The lightening holes 24 in this embodiment are elongated holes. Of course, the lightening holes 24 may be circular holes, polygonal holes, or the like.
As shown in fig. 2 and 4, the door further includes a heat insulating plate 3, and the heat insulating plate 3 is interposed between the top plate 21 and the inner lid plate 12. The heat-insulating plate 3 can isolate the support frame 2 from the inner cover plate 12, and avoids the inner cover plate 12 from directly contacting the support frame 2, so that the heat of the inner cover plate 12 inside the box body is prevented from being transmitted to the shell 11 through the support frame 2 and diffused to the outside of the test box through the shell 11, and the heat-insulating effect of the test box is improved.
As shown in fig. 3 and 4, a countersunk hole 31 is formed in the heat insulation plate 3, a positioning hole 25 is correspondingly formed in the top plate 21, a fastening member passes through the countersunk hole 31 and then is in threaded connection with the positioning hole 25, and the fastening member is lower than or flush with the end surface of the heat insulation plate 3, which is far away from the top plate 21. The fastener of this embodiment is a bolt, and the positioning hole 25 is a threaded hole capable of being fitted with the bolt. The heat insulating plate 3 is mounted on the top plate 21 through bolts, so that the heat insulating plate 3 is convenient to assemble, and the heat insulating plate 3 and the top plate 21 are reliably mounted.
Because the counter sink 31 has been seted up on the heat-insulating plate 3, the head of bolt can get into in the counter sink 31 completely for the terminal surface of heat-insulating plate 3 can laminate on inner cover plate 12 completely, has improved the contact surface of heat-insulating plate 3 with inner cover plate 12, can avoid appearing stress concentration on the inner cover plate 12, thereby the holding power of apron 12 is more even including making support frame 2.
The heat insulation board 3 of the embodiment is a glass fiber board, and specifically, the heat insulation board 3 is a glass fiber board of FR4 grade, which is cheap and easy to obtain, and has a low thermal conductivity and good flame retardancy.
It should be noted that the box door further includes two defrosting lines, which are circumferentially disposed on the inner cover plate 12 along the circumferential direction of the inner cover plate 12 and are respectively located at the inner side and the outer side of the supporting frame 2. Specifically, the defrosting line is an electric heating defrosting line, and electric energy is introduced into the defrosting line to generate heat, so that the temperature of the inner cover plate 12 is increased, the frosting phenomenon of the inner cover plate 12 when the box body is at a low temperature is avoided, and the normal opening and closing of the box door are ensured. Since the defrosting line is a mature technology, the detailed structure and working principle thereof are not described herein again.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A door, comprising:
the door body (1) comprises an outer shell (11) and an inner cover plate (12), wherein the inner side of the outer shell (11) is provided with an opening, and the inner cover plate (12) is arranged on the inner side of the outer shell (11) in a sealing manner; the door body (1) is movably arranged at the opening end of the box body, and a sealing strip is arranged at the opening end of the box body in a surrounding mode; and
the supporting frame (2) is arranged in the shell (11) in a surrounding mode and abutted to the inner cover plate (12), and when the door body (1) covers the opening end of the box body, the supporting frame (2) can be right opposite to the sealing strip.
2. A door according to claim 1, wherein the supporting frame (2) is shaped like a Chinese character 'ji' and comprises a top plate (21), side plates (22) and a bottom plate (23), the side plates (22) extend from two opposite sides of the top plate (21), and the top plate (21) abuts against the inner cover plate (12); the side plate (22) is far away from the edge of the top plate (21) and is provided with the bottom plate (23) in an outward extending mode, and the bottom plate (23) is arranged on the inner wall of the shell (11).
3. A door according to claim 2, characterized in that said bottom plate (23) is welded to the inner wall of said outer shell (11).
4. A door according to claim 2, characterized in that said top panel (21), said side panels (22) and said bottom panel (23) are integrally formed by bending.
5. The door of claim 2, further comprising:
and a heat insulating plate (3) interposed between the top plate (21) and the inner cover plate (12).
6. The box door according to claim 5, wherein the heat-insulating plate (3) is provided with a countersunk hole (31), the top plate (21) is correspondingly provided with a positioning hole (25), a fastening member passes through the countersunk hole (31) and then is in threaded connection with the positioning hole (25), and the fastening member is lower than or flush with an end surface of the heat-insulating plate (3) away from the top plate (21).
7. A door according to claim 5, characterized in that said heat-insulating plate (3) is a glass fibre plate.
8. The door of any of claims 1-7, further comprising:
the two defrosting lines are arranged on the inner cover plate (12) in a surrounding mode along the circumferential direction of the inner cover plate (12) and are respectively positioned on the inner side and the outer side of the support frame (2).
9. A door according to any one of claims 1 to 7, characterized in that the supporting frame (2) is provided with lightening holes (24).
10. A test chamber comprising a chamber door as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111485838.0A CN114192198A (en) | 2021-12-07 | 2021-12-07 | Box door and test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111485838.0A CN114192198A (en) | 2021-12-07 | 2021-12-07 | Box door and test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114192198A true CN114192198A (en) | 2022-03-18 |
Family
ID=80651014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111485838.0A Pending CN114192198A (en) | 2021-12-07 | 2021-12-07 | Box door and test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114192198A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2359999Y (en) * | 1998-12-28 | 2000-01-26 | 山东省博兴县一条龙厨房设备有限责任公司 | Inner tube estension ventilating fast rice cooking car |
| CN203633976U (en) * | 2013-12-06 | 2014-06-11 | 宁波方太厨具有限公司 | Steam box and microwave oven integrated machine |
| CN107726370A (en) * | 2017-10-27 | 2018-02-23 | 华北水利水电大学 | The anti-scald door body of separation of glasses formula warming stove |
| CN207825904U (en) * | 2018-01-17 | 2018-09-07 | 北京汽车研究总院有限公司 | A kind of sealing structure and automobile of arrangements for automotive doors |
| CN210427266U (en) * | 2019-07-19 | 2020-04-28 | 河北工诺检测技术有限公司 | Temperature test chamber door structure |
| CN213886218U (en) * | 2020-10-11 | 2021-08-06 | 江苏安盈环境设备有限公司 | High-low temperature damp-heat test box |
-
2021
- 2021-12-07 CN CN202111485838.0A patent/CN114192198A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2359999Y (en) * | 1998-12-28 | 2000-01-26 | 山东省博兴县一条龙厨房设备有限责任公司 | Inner tube estension ventilating fast rice cooking car |
| CN203633976U (en) * | 2013-12-06 | 2014-06-11 | 宁波方太厨具有限公司 | Steam box and microwave oven integrated machine |
| CN107726370A (en) * | 2017-10-27 | 2018-02-23 | 华北水利水电大学 | The anti-scald door body of separation of glasses formula warming stove |
| CN207825904U (en) * | 2018-01-17 | 2018-09-07 | 北京汽车研究总院有限公司 | A kind of sealing structure and automobile of arrangements for automotive doors |
| CN210427266U (en) * | 2019-07-19 | 2020-04-28 | 河北工诺检测技术有限公司 | Temperature test chamber door structure |
| CN213886218U (en) * | 2020-10-11 | 2021-08-06 | 江苏安盈环境设备有限公司 | High-low temperature damp-heat test box |
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Address after: 215300 plants A6, a7, a8 and B10, No. 8, Huacheng Road, Lujia Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Jiangsu Tuomiluo High-end Equipment Co.,Ltd. Address before: 215300 plants A6, a7, a8 and B10, No. 8, Huacheng Road, Lujia Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: JIANGSU TOLIMO ENVIRONMENT TESTING EQUIPMENT Co.,Ltd. |
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