Constant temperature and humidity chamber with good sealing performance

Abstract

The utility model discloses a constant-temperature and constant-humidity chamber with good sealing performance, which relates to the technical field of constant-temperature and constant-humidity chambers and comprises a chamber body, a chamber door rotatably arranged on one side of the chamber body and a sealing mechanism arranged between the chamber body and the chamber door. The sealing mechanism comprises a sealing frame and an elastic sealing piece, wherein the sealing frame is fixedly arranged on the edge of the side, close to the box body, of the box door, a sealing groove is formed in the sealing frame, the elastic sealing piece is embedded in the sealing groove of the sealing frame, and a sealing groove matched with the elastic sealing piece is formed in the side, close to the box door, of the box body. By adopting the anti-aging elastic sealing piece and the multi-layer structural design, the sealing performance and durability of the constant-temperature and constant-humidity chamber are remarkably improved, meanwhile, the sealing mechanism has the advantages of being convenient to disassemble, assemble and maintain and the like due to the clamping connection mode in the sealing mechanism, and the service life of the constant-temperature and constant-humidity chamber is prolonged. The overall optimized sealing structure and the convenient maintenance mode reduce the maintenance cost and the use difficulty of the equipment, and better meet the high-precision and high-stability environmental control requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of constant temperature and humidity boxes, in particular to a constant temperature and humidity box with good sealing performance. Background Art

[0002] A constant temperature and humidity box, also known as a constant temperature and humidity test machine, a constant temperature and humidity test chamber, a programmable damp heat alternating test chamber, and a constant temperature machine, is a device used to detect the performance of materials under various environments and test the heat resistance, cold resistance, dry resistance, and humidity resistance of various materials. It is suitable for testing the quality of products such as electronics, electrical appliances, mobile phones, communications, instruments, vehicles, plastic products, metals, foods, chemicals, building materials, medical care, and aerospace.

[0003] As an environmental control device, the constant temperature and humidity box has been widely used in scientific research, industry and other fields. However, with the development of technology, users have higher and higher requirements for the sealing performance of the equipment to prevent the influence of the external environment on the conditions inside the box.

[0004] Traditional constant temperature and humidity boxes usually use a single-layer rubber sealing strip or a single-layer silicone gasket to enhance the sealing performance of the box body. However, these single-layer sealing materials are prone to aging after long-term use, resulting in a decline in sealing performance. In addition, the existing sealing structures are often complex in design, making maintenance and replacement inconvenient. Content of the Utility Model

[0005] Aiming at the deficiencies of the existing technology, the utility model provides a constant temperature and humidity box with good sealing performance, and the specific technical solutions are as follows:

[0006] A constant temperature and humidity box with good sealing performance includes a box body, a box door rotatably arranged on one side of the box body, and a sealing mechanism arranged between the box body and the box door. The sealing mechanism includes a sealing frame fixedly arranged at the edge of the box door close to the box body and having a sealing groove inside, and an elastic sealing member embedded in the sealing groove of the sealing frame. A sealing groove matching the elastic sealing member is arranged on the side of the box body close to the box door.

[0007] A clamping mechanism is arranged between the sealing frame and the elastic sealing member. The elastic sealing member includes a wear-resistant layer arranged on the outer layer, an elastic layer arranged in the middle, and a sealing layer arranged on the outer layer. Hollow grooves providing deformation space for the elastic sealing member are arranged in the wear-resistant layer, the elastic layer, and the sealing layer.

[0008] By adopting the above technical solutions, through the use of an aging-resistant elastic sealing member and a multi-layer structure design, the sealing performance and durability of the constant temperature and humidity box are significantly improved. At the same time, the clamping connection method in the sealing mechanism has the advantages of convenient disassembly, installation, and maintenance.

[0009] Optionally, the card and mechanism include a buckle groove opened in the sealing groove of the sealing frame, and a card block fixedly arranged on one side of the elastic seal and fitted and clamped in the buckle groove.

[0010] By adopting the above technical solution, the clamping design of the card block and the buckle groove not only improves the installation stability of the elastic seal, but also facilitates its replacement and maintenance.

[0011] Optionally, a plurality of casters for convenient movement are fixedly installed at the bottom corners of the box body. A plurality of storage plates with adjustable heights are arranged in the box body. Two groups of symmetrically distributed sliding grooves are opened in the box body. The storage plates are movably connected between two adjacent horizontal sliding grooves.

[0012] By adopting the above technical solution, by inserting the storage plate into the sliding grooves at different heights, the height of the storage plate can be adjusted, so as to adjust the placement space inside the box body, facilitating people to adjust the placement space inside the box body according to the size of the items to place more items and reducing space waste.

[0013] Optionally, a plurality of counterweight rods are rotatably arranged in the box body. A positioning rod is fixedly arranged at the bottom of one end of the counterweight rod. A positioning hole is opened at the top of the storage plate. The bottom end of the positioning rod is fitted and inserted into the positioning hole of the storage plate.

[0014] By adopting the above technical solution, the positioning rod will be inserted into the storage plate under the gravity of the counterweight rod to position and fix the storage plate, avoiding the storage plate sliding back and forth and hitting the box door when the box body moves.

[0015] In summary, the present utility model has at least the following beneficial effects:

[0016] 1. By adopting an elastic seal with anti-aging property and a multi-layer structure design, the sealing performance and durability of the constant temperature and humidity box are significantly improved. At the same time, the clamping connection method in the sealing mechanism has the advantages of convenient disassembly, installation and maintenance. The overall optimized sealing structure and convenient maintenance method reduce the maintenance cost and use difficulty of the equipment, and better meet the environmental control requirements of high precision and high stability.

[0017] 2. By inserting the storage plate into the sliding grooves at different heights, the height of the storage plate can be adjusted, so as to adjust the placement space inside the box body, facilitating people to adjust the placement space inside the box body according to the size of the items to place more items and reducing space waste. And the positioning rod will be inserted into the storage plate under the gravity of the counterweight rod to position and fix the storage plate, avoiding the storage plate sliding back and forth and hitting the box door when the box body moves, which is convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the overall structural schematic diagram of the present utility model;

[0019] Figure 2 It is a top view connection diagram of the internal structure of the box body and the box door of the present utility model;

[0020] Figure 3 is the Figure 2 enlarged view of structure A in the present utility model;

[0021] Figure 4 It is a schematic internal view of the overall structure of the present utility model;

[0022] Figure 5 is the Figure 4 enlarged view of structure B in the present utility model.

[0023] Explanation of reference numerals: 1. Box body; 11. Box door; 12. Caster; 13. Sealing groove; 2. Sealing frame; 3. Elastic seal; 31. Wear-resistant layer; 32. Elastic layer; 33. Sealing layer; 34. Hollow groove; 4. Buckle groove; 41. Block; 5. Placing board; 51. Sliding groove; 52. Positioning hole; 53. Counterweight rod; 54. Positioning rod. Detailed implementation manners

[0024] The following further elaborates on the present utility model in conjunction with the attached Figures 1-5 drawings.

[0025] An embodiment of the present utility model discloses a constant temperature and humidity box with good sealing performance. Referring to Figures 1-2 , it includes a box body 1, a box door 11 rotatably arranged on one side of the box body 1, and a sealing mechanism arranged between the box body 1 and the box door 11. The box body 1 and the box door 11 form the existing constant temperature and humidity box, and its internal structure and principle have been disclosed, so no more details will be described here.

[0026] Referring to Figures 1-3 , the sealing mechanism includes a sealing frame 2 fixedly arranged at the edge of the box door 11 close to the box body 1 and having a sealing groove inside, and an elastic seal 3 embedded in the sealing groove of the sealing frame 2. A clamping mechanism is arranged between the sealing frame 2 and the elastic seal 3. The clamping mechanism includes a buckle groove 4 opened in the sealing groove of the sealing frame 2 and a block 41 fixedly arranged on one side of the elastic seal 3 and fittingly clamped in the buckle groove 4. The clamping design of the block 41 clamped in the buckle groove 4 not only improves the installation stability of the elastic seal 3 but also facilitates its replacement and maintenance. When the box door 11 is closed, the contact surface between the elastic seal 3 and the box body 1 forms a seal, thereby ensuring the constant temperature and humidity environment inside the box.

[0027] Referring to Figures 1-3, on one side of the box body 1 close to the box door 11, a sealing groove 13 matching the elastic seal 3 is provided. When the box door 11 is closed, the elastic seal 3 is embedded in the sealing groove 13, forming a tighter sealing effect. This structure further improves the sealing performance of the box body 1 and reduces the influence of the external environment on the conditions inside the box.

[0028] Refer to Figures 1-3 , the elastic seal 3 includes a wear-resistant layer 31 provided on the outer layer, an elastic layer 32 provided in the middle, and a sealing layer 33 provided on the outer layer. The wear-resistant layer 31 provided on the outermost layer of the constant temperature and humidity box is made of wear-resistant and anti-aging materials such as transparent polycarbonate to improve the durability of the seal. The elastic layer 32 is made of high-elastic anti-aging materials such as thermoplastic elastomer to ensure that the seal has good elastic deformation ability. The sealing layer 33 is made of materials such as rubber sponge that are soft, anti-aging, and have excellent sealing performance to ensure the sealing effect as the last layer when contacting the box body 1. The multi-layer sealing mechanism can improve the sealing performance and durability of the constant temperature and humidity box, and polyurethane and other anti-aging coatings can be applied to the outer surfaces of the wear-resistant layer 31, elastic layer 32, and sealing layer 33.

[0029] Refer to Figures 1-3 , hollow grooves 34 providing deformation space for the elastic seal 3 are provided inside the wear-resistant layer 31, elastic layer 32, and sealing layer 33. The hollow grooves 34 can provide space for the elastic seal 3 to deform when being squeezed by the box body 1 when the box body 1 and the box door 11 are closed. The elastic seal 3 that deforms after being squeezed can fit more closely with the box body 1, thereby improving the sealing performance.

[0030] Refer to Figure 1 And Figure 4 , several casters 12 for convenient movement are fixedly installed at the bottom corners of the box body 1. The casters 12 can be self-locking universal casters, and people can push the box body 1 to move by rotating the casters 12.

[0031] Refer to Figure 1 、 Figure 4 And Figure 5 , several placing plates 5 with adjustable heights are provided inside the box body 1. Two groups of sliding grooves 51 are symmetrically distributed inside the box body 1. The placing plates 5 are movably connected between two adjacent sliding grooves 51 in the horizontal direction. People can insert the placing plates 5 into two adjacent sliding grooves 51 at different heights to adjust the height and position of the placing plates 5, thereby adjusting the internal placement space of the box body 1, facilitating people to adjust the internal placement space of the box body 1 according to the size of the items to place more items.

[0032] Refer to Figure 1 、 Figure 4 And Figure 5A plurality of counterweight rods 53 are rotatably provided in the box body 1, and a positioning rod 54 is fixedly provided at the bottom of one end of the counterweight rod 53. The counterweight rod 53 can connect the box body 1 and the positioning rod 54, so that the positioning rod 54 can rotate around the adapter end of the counterweight rod 53.

[0033] Reference Figure 1 , Figure 4 and Figure 5 A positioning hole 52 is provided on the top of the storage plate 5, and the bottom end of the positioning rod 54 is inserted into the positioning hole 52 of the storage plate 5. After the positioning rod 54 is inserted into the positioning hole 52, the storage plate 5 inserted into the box body 1 can be positioned and fixed to prevent the storage plate 5 from sliding back and forth and damaging the box door 11 due to shaking when the box body 1 is moved.

[0034] The implementation principle of a constant temperature and humidity chamber with good sealing performance in the embodiment of the utility model is:

[0035] When the door 11 is closed, the multi-layer elastic seal 3 will be embedded in the sealing groove 13 to form a tighter sealing effect to seal the box body 1 and the door 11, and the multi-layer structure of the elastic seal 3 has the advantages of aging resistance and durability;

[0036] When people need to replace the elastic seal 3, people only need to pull out the elastic seal 3 and the clamping block 41 from the sealing frame 2 with force, and then buckle the clamping block 41 of another elastic seal 3 into the buckle groove 4 of the sealing frame 2 in turn, so that the maintenance and replacement process of the elastic seal 3 can be completed;

[0037] When people need to adjust the height of the storage board 5 built in the box body 1, people can first rotate the counterweight rod 53 to make the bottom end of the positioning rod 54 disengage from the positioning hole 52, and then people can slide the storage board 5 out of the slide groove 51 at this position, and then insert the storage board 5 into two adjacent slide grooves 51 at other heights and positions, and rotate the counterweight rod 53 at this position to use the positioning rod 54 to insert into the corresponding positioning hole 52, so as to adjust and fix the height position of the storage board 5.

[0038] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A constant temperature and humidity chamber with good sealing performance, comprising a box body (1), a box door (11) rotatably arranged on one side of the box body (1), and a sealing mechanism arranged between the box body (1) and the box door (11), characterized in that: The sealing mechanism includes a sealing frame (2) fixedly arranged at the edge of the box door (11) close to the box body (1) and having a sealing groove inside, and an elastic sealing member (3) embedded in the sealing groove of the sealing frame (2). A sealing groove (13) matching the elastic sealing member (3) is arranged on the side of the box body (1) close to the box door (11); A clamping mechanism is arranged between the sealing frame (2) and the elastic sealing member (3). The elastic sealing member (3) includes a wear-resistant layer (31) arranged on the outer layer, an elastic layer (32) arranged in the middle, and a sealing layer (33) arranged on the outer layer. Hollow grooves (34) providing deformation space for the elastic sealing member (3) are arranged in the wear-resistant layer (31), the elastic layer (32) and the sealing layer (33).

2. The thermostatic and humidistatic chamber with good sealing performance according to claim 1, wherein: The clamping mechanism includes a buckle groove (4) arranged in the sealing groove of the sealing frame (2), and a clamping block (41) fixedly arranged on one side of the elastic sealing member (3) and clamped in the buckle groove (4).

3. The constant temperature and humidity chamber with good sealing performance according to claim 1, characterized in that: A plurality of casters (12) for convenient movement are fixedly installed at the bottom corners of the box body (1).

4. A thermostatic and humidistatic chamber with good sealing performance according to claim 1, characterized in that: A plurality of placing plates (5) with adjustable height are arranged in the box body (1).

5. A thermostatic and humidistatic chamber with good sealing performance according to claim 4, characterized in that: Two groups of symmetrically distributed sliding grooves (51) are arranged in the box body (1), and the placing plates (5) are movably connected between two adjacent sliding grooves (51) horizontally.

6. The thermostatic and humidistatic chamber with good airtightness according to claim 5, wherein: A plurality of counterweight rods (53) are rotatably arranged in the box body (1).

7. A constant temperature and humidity chamber with good sealing performance according to claim 6, characterized in that: A positioning rod (54) is fixedly arranged at the bottom of one end of the counterweight rod (53).

8. A constant temperature and humidity chamber with good sealing performance according to claim 7, characterized in that: Positioning holes (52) are arranged at the top of the placing plate (5), and the bottom end of the positioning rod (54) is inserted into the positioning hole (52) of the placing plate (5) in a matching manner.

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