Vacuum oven

Abstract

The vacuum oven comprises an oven body, a vacuum oven body is fixedly installed in a cavity in the middle of the oven body, a sealing door body is connected to an opening of the vacuum oven body through a hinge, heating plates are fixedly connected to the five side walls of the periphery of the vacuum oven body respectively, and the heating plates are connected with the vacuum oven body through a hinge. And two air exhaust holes are formed in the back of the vacuum oven. According to the vacuum oven, the interior of the vacuum oven can be vacuumized through the vacuum pump, then rapid heating is conducted through the heating plates on the five faces, efficiency is higher, the backing plate is arranged on one side of the high-temperature-resistant silica gel sealing ring, the flatness of the sealing portion can be guaranteed, the vacuum degree in the oven body can be guaranteed, and the vacuum oven is more practical; the inner layer glass plate and the tempered glass visual window are arranged, the pressing plate is arranged between the inner layer glass plate and the tempered glass visual window for isolation, a vacuum environment is formed, and the heat insulation effect of the door body can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of ovens, in particular to a vacuum oven. Background Art

[0002] In the existing vacuum ovens, a seal is usually directly set at the sealing part of the door for sealing. Since the force bearing plane of the seal is small, once the seal deviates during installation, it is easy to cause the problem of insufficient sealing. At the same time, the heat insulation of the door body is poor. Therefore, those skilled in the art provide a vacuum oven to solve the problems raised in the above background technology. Utility Model Content

[0003] The purpose of the utility model is to provide a vacuum oven to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A vacuum oven comprises a box body, wherein a vacuum oven is fixedly installed in a cavity in the middle of the box body, a sealing door body is connected to the opening of the vacuum oven by a hinge, heating plates are fixedly connected to the five side walls of the vacuum oven, two exhaust holes are provided on the back of the vacuum oven, a square ring-shaped pad is integrally formed on the periphery of the other side wall of the vacuum oven, a high-temperature resistant silicone sealing ring is clamped on one side of the pad, a vacuum pump is fixedly connected to the bottom of the box body, and the vacuum pump is connected to one of the exhaust holes on the vacuum oven by an air pipe.

[0006] As a further solution of the utility model: a pressure sensor for detecting pressure is threadedly mounted on another exhaust hole on the vacuum oven.

[0007] As a further solution of the utility model: directional rollers are fixedly connected to the four corners of the bottom of the box body, and one side of the directional roller is connected to an adjustable supporting leg through a screw.

[0008] As a further solution of the utility model: the bottom of the side wall of the box body is connected to the two inspection doors through hinges, and the top of the side wall of the box body is installed with an operation panel through screws.

[0009] As a further solution of the utility model: the sealed door body includes a card frame, an inner glass plate and a tempered glass viewing window placed inside the card frame, an outer door body with a central opening arranged outside the tempered glass viewing window, and a pressure plate placed between the inner glass plate and the tempered glass viewing window, the pressure plate is made of rubber material, and there is a vacuum environment between the inner glass plate and the tempered glass viewing window. The pressure plate is designed with a central opening, and a spring support is arranged between the sealed door body and the box body.

[0010] As a further solution of the utility model: a sealed buckle handle is installed between the sealed door body and the box body.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model can evacuate the inside of the vacuum oven through a vacuum pump, and then quickly heat it through the heating plates on the five surfaces, which is more efficient. In addition, a pad is provided on one side of the high-temperature resistant silicone sealing ring to ensure the flatness of the sealing part, thereby ensuring the vacuum degree inside the oven box, which is more practical. An inner glass plate and a tempered glass viewing window are provided, and a pressure plate is provided in the middle for isolation to form a vacuum environment, which can greatly improve the heat insulation effect of the door body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model;

[0015] Figure 3 It is a partial enlarged view of the sealed door body in the utility model;

[0016] Figure 4 This is a structural diagram of the vacuum oven in the utility model;

[0017] Figure 5 It is a cross-sectional view of the vacuum oven in the utility model.

[0018] In the figure: 1. Box body; 2. Inspection door body; 3. Directional roller; 4. Adjustable supporting legs; 5. Sealed door body; 501. External door body; 502. Tempered glass viewing window; 503. Pressing plate; 504. Card frame; 505. Inner glass plate; 506. Spring support; 6. Sealed buckle handle; 7. Operation panel; 8. Vacuum pump; 9. Vacuum oven; 10. Heating plate; 11. Exhaust hole; 12. Pad; 13. High temperature resistant silicone sealing ring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 5In the embodiment of the utility model, a vacuum oven comprises a box body 1, a vacuum oven 9 is fixedly installed in the middle cavity of the box body 1, a sealing door body 5 is connected to the opening of the vacuum oven 9 through a hinge, a heating plate 10 is fixedly connected to the five side walls of the vacuum oven 9, two exhaust holes 11 are provided on the back of the vacuum oven 9, a square ring-shaped pad 12 is integrally formed on the periphery of the other side wall of the vacuum oven 9, a high-temperature resistant silicone sealing ring 13 is clamped and provided on one side of the pad 12, a vacuum pump 8 is fixedly connected to the bottom of the box body 1, and the vacuum pump 8 is connected to one of the exhaust holes 11 on the vacuum oven 9 through an air pipe.

[0021] By adopting the above technical solution, the inside of the vacuum oven 9 can be evacuated by the vacuum pump 8, and then quickly heated by the heating plates 10 on the five sides, which is more efficient. In addition, by providing a pad 12 on one side of the high-temperature resistant silicone sealing ring 13, the flatness of the sealing part can be ensured, thereby ensuring the vacuum degree inside the oven box 1, which is more practical.

[0022] In this embodiment, the heating plate 10 is provided with a temperature sensor for detecting the temperature.

[0023] A pressure sensor for detecting pressure is threadedly mounted on the exhaust hole 11 on the other vacuum oven 9 , so that the vacuum degree inside the vacuum oven 9 can be detected.

[0024] Among them, directional rollers 3 are fixedly connected to the four corners of the bottom of the box 1, and one side of the directional roller 3 is connected to an adjustable support leg 4 by a screw, which is convenient for moving the box 1. By adjusting the adjustable support leg 4, a stable support for the box 1 can be achieved.

[0025] The bottom of the side wall of the box body 1 is connected to the two inspection doors 2 by hinges, and the top of the side wall of the box body 1 is installed with an operation panel 7 by screws. The internal vacuum pump 8 can be inspected and processed by opening the inspection door 2.

[0026] Among them, the sealed door body 5 includes a card frame 504, an inner glass plate 505 and a tempered glass viewing window 502 placed inside the card frame 504, an outer door body 501 with a central opening arranged outside the tempered glass viewing window 502, and a pressure plate 503 placed between the inner glass plate 505 and the tempered glass viewing window 502. The pressure plate 503 is made of rubber material, and there is a vacuum environment between the inner glass plate 505 and the tempered glass viewing window 502. The pressure plate 503 has a central opening design, and a spring support 506 is arranged between the sealed door body 5 and the box body 1.

[0027] In the above technical solution, by providing an inner glass plate 505 and a tempered glass viewing window 502, and providing a pressure plate 503 in the middle for isolation, a vacuum environment is formed, which can greatly improve the heat insulation effect of the door body.

[0028] Among them, a sealed buckle handle 6 is installed between the sealed door body 5 and the box body 1.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A vacuum oven, comprising a box (1), characterized in that: A vacuum oven (9) is fixedly installed in the middle cavity of the box body (1), and a sealed door body (5) is connected to the opening of the vacuum oven (9) through a hinge. A heating plate (10) is fixedly connected to the five side walls of the vacuum oven (9). Two exhaust holes (11) are provided on the back of the vacuum oven (9). A square ring-shaped pad (12) is integrally formed on the outer periphery of the other side wall of the vacuum oven (9), and a high-temperature resistant silicone sealing ring (13) is clamped on one side of the pad (12). A vacuum pump (8) is fixedly connected to the bottom of the box body (1), and the vacuum pump (8) is connected to one of the exhaust holes (11) on the vacuum oven (9) through an air pipe.

2. A vacuum oven according to claim 1, characterized in that: A pressure sensor for detecting pressure is threadedly mounted on the air extraction hole (11) on the other vacuum oven (9).

3. A vacuum oven according to claim 2, characterized in that: The four corners of the bottom of the box body (1) are fixedly connected with directional rollers (3), and one side of the directional roller (3) is connected with an adjustable supporting leg (4) via screws.

4. A vacuum oven according to claim 3, characterized in that: The bottom of the side wall of the box body (1) is connected to two inspection door bodies (2) via hinges, and an operation panel (7) is installed on the top of the side wall of the box body (1) via screws.

5. A vacuum oven according to claim 4, characterized in that: The sealed door body (5) comprises a card frame (504), an inner glass plate (505) and a tempered glass visual window (502) disposed inside the card frame (504), an outer door body (501) with a central opening disposed outside the tempered glass visual window (502), and a pressure plate (503) disposed between the inner glass plate (505) and the tempered glass visual window (502), wherein the pressure plate (503) is made of rubber material, a vacuum environment is provided between the inner glass plate (505) and the tempered glass visual window (502), the pressure plate (503) is designed with a central opening, and a spring support member (506) is provided between the sealed door body (5) and the box body (1).

6. A vacuum oven according to claim 5, characterized in that: A sealed buckle handle (6) is installed between the sealed door body (5) and the box body (1).

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