Small flange assembly for vacuum electric heater

Abstract

The utility model relates to the technical field of hoisting equipment, in particular to a small-sized flange assembly for a vacuum electric heater, which comprises a flange assembly body, the flange assembly body comprises an electric appliance protection cover, the electric appliance protection cover is arranged in a circular tube structure, a gland is arranged above the electric appliance protection cover, and the gland is arranged above the electric appliance protection cover. The small flange assembly for the vacuum electric heater comprises an electric appliance protection cover, a hoisting structure is arranged on the lower portion of the interior of the electric appliance protection cover, the hoisting structure comprises a hoisting pressing plate arranged at the bottom of the electric appliance protection cover, and a connecting end is arranged at the bottom of the hoisting pressing plate in a matched mode. The flange assembly penetrates through the electric appliance protection cover and is arranged on the gland at the top of the electric appliance protection cover in a matched mode to protect a cable, the flange assembly is small in structural size and compact in structure, installation space is saved, the structure can be enlarged and shrunk according to the actual space size, and the installation requirements of different spaces are met.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting equipment, in particular to a small flange component used for a vacuum electric heater. Background Art

[0002] When using electric heaters in a vacuum environment, especially vacuum coating equipment, the sealing design of the outlet flange of the heater and the vacuum chamber is particularly important. The existing sealing forms are hanging flange sealing and knife-edge flange sealing. These two sealing structures are large in size and are used under the condition that the sealing chamber space size is sufficient. Utility Model Content

[0003] In order to solve some problems existing in the above-mentioned prior art, the utility model provides a small flange assembly for a vacuum electric heater to solve the deficiencies existing in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides a small flange assembly for a vacuum electric heater, including a flange assembly body, the flange assembly body including an electrical protection cover, the electrical protection cover is arranged in a circular tubular structure, a gland is arranged above the electrical protection cover, a lifting structure is arranged below the interior of the electrical protection cover, the lifting structure includes a lifting pressure plate arranged at the bottom of the electrical protection cover, and a connecting end is arranged at the bottom of the lifting pressure plate.

[0005] As a further improvement of the utility model, in order to ensure stable installation of the bottom of the lifting structure, the lifting structure is provided with a cylindrical head hexagonal fixing block in addition to the lifting pressure plate at the bottom, a spring washer is fitted under the cylindrical head hexagonal fixing block, and a flat washer is provided between the spring washer and the lifting pressure plate.

[0006] As a further improvement of the present invention, in order to ensure a stable connection between the lifting structure and the lifting flange, a groove is provided inside the lifting pressure plate, and a fixing column is provided inside the groove.

[0007] As a further improvement of the present invention, in order to ensure the sealing performance of the lifting flange, both sides of the lifting flange are protruded, and fixed sealing rings are provided on both sides.

[0008] As a further improvement of the utility model, in order to ensure the sealing of the bottom of the connection end, the bottom of the connection end is protruding from the lifting flange, and a connection sealing ring is provided at the bottom of the connection end, and an elastic gasket is provided below the connection sealing ring.

[0009] As a further improvement of the utility model, in order to ensure that the position of the lifting flange is adjustable, a plurality of groups of connecting columns are telescopically arranged between the lifting pressure plate and the lifting flange.

[0010] When the utility model is working, the flange component body includes an electrical protection cover, which is arranged in a circular tubular structure. A flange is arranged above the electrical protection cover, and a lifting structure is arranged below the electrical protection cover. The lifting structure includes a lifting pressure plate arranged at the bottom of the electrical protection cover, and a connecting end is arranged at the bottom of the lifting pressure plate. In addition to the lifting pressure plate at the bottom, the lifting structure is also provided with a cylindrical head hexagonal fixing block, and a spring washer is fitted below the cylindrical head hexagonal fixing block, and a flat washer is arranged between the spring washer and the lifting pressure plate. A groove is arranged inside the lifting flange, and a fixing column is arranged inside the groove. The groove is provided in several groups, and the bottom of the connecting end protrudes from the lifting flange for arrangement, and a connecting sealing ring is arranged at the bottom of the connecting end, and an elastic washer is arranged below the connecting sealing ring.

[0011] The beneficial effect of the utility model is that the utility model provides a small flange assembly for a vacuum electric heater. The flange assembly protects the cables by setting an electrical protection cover, passing through the electrical protection cover, and cooperating with a gland set on the top of the electrical protection cover. The flange assembly has a small size and a compact structure, which saves installation space. The structure can be enlarged or reduced according to the actual space size to meet the installation requirements of different spaces. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings:

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

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

[0015] Figure 3 It is a cross-sectional view of the utility model along the CC direction.

[0016] Figure 4 for Figure 3 Structural diagram at A in the middle.

[0017] Figure 5 for Figure 2 Structural diagram at point B in the figure.

[0018] Among them, 1 electrical protection cover, 2 gland, 3 lifting structure, 4 lifting pressure plate, 5 connection end, 6 lifting flange, 7 cylindrical head hexagonal fixing block, 8 spring washer, 9 flat washer, 10 groove, 11 fixing column, 12 fixing sealing ring, 13 connecting sealing ring, 14 elastic washer, 15 connecting column. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution in this application, Figure 1-5The present invention is further described in the following embodiments, which are only used to more clearly illustrate the technical solution of the present invention and are not intended to limit the protection scope of the present invention.

[0020] like Figure 1-5 A small flange assembly for a vacuum electric heater is shown, comprising a flange assembly body, wherein the flange assembly body comprises an electrical protection cover 1, wherein the electrical protection cover 1 is arranged in a circular tubular structure, a gland 2 is arranged above the electrical protection cover 1, a lifting structure 3 is arranged below the interior of the electrical protection cover 1, and the lifting structure 3 comprises a lifting pressure plate 4 arranged at the bottom of the electrical protection cover 1, and a connecting end 5 is arranged at the bottom of the lifting pressure plate 4, and the connecting end 5 is connected to a lifting flange 6.

[0021] The hoisting structure 3 is provided with a cylindrical head hexagonal fixing block 7 in addition to the hoisting pressure plate 4 at the bottom. A spring washer 8 is fitted under the cylindrical head hexagonal fixing block 7 , and a flat washer 9 is provided between the spring washer 8 and the hoisting pressure plate 4 .

[0022] A groove 10 is disposed inside the hoisting pressure plate 4 , and a fixing column 11 is disposed inside the groove 10 .

[0023] Both sides of the lifting flange 6 are protrudingly provided, and fixed sealing rings 12 are provided on both sides.

[0024] The bottom of the connection end 5 is protruded from the lifting flange 6 , and a connection sealing ring 13 is provided at the bottom of the connection end 5 , and an elastic gasket 14 is provided below the connection sealing ring 13 .

[0025] A plurality of groups of connecting columns 15 are telescopically arranged between the lifting plate 4 and the lifting flange 6 .

[0026] When the utility model is working, the flange assembly body includes an electrical protection cover 1, which is arranged in a circular tubular structure. A gland 2 is arranged above the electrical protection cover 1, and a lifting structure 3 is arranged below the electrical protection cover 1. The lifting structure 3 includes a lifting pressure plate 4 arranged at the bottom of the electrical protection cover 1. The flange assembly is provided with the electrical protection cover 1, passes through the electrical protection cover 1, and cooperates with the gland 2 arranged at the top of the electrical protection cover 1 to protect the cables. A connecting end 5 is arranged at the bottom of the lifting pressure plate 4. In addition to the lifting pressure plate 4 at the bottom, the lifting structure 3 is also provided with a cylindrical head hexagonal fixing block 7. A spring washer 8 is fitted below the cylindrical head hexagonal fixing block 7. The spring washer 8 and the lifting pressure plate 4, a flat gasket 9 is arranged between the lifting pressure plate 4 and the lifting flange 6, a groove 10 is arranged inside the lifting pressure plate 4, a fixing column 11 is arranged inside the groove 10, and several groups of grooves 10 are arranged. The bottom of the connecting end 5 protrudes from the lifting flange 6 for arrangement, and a connecting sealing ring 13 is arranged at the bottom of the connecting end 5, and an elastic gasket 14 is arranged below the connecting sealing ring 13. Several groups of connecting columns 15 are telescopically arranged between the lifting pressure plate 4 and the lifting flange 6. The position of the connecting column 15 is adjusted by telescopic adjustment, and the fixing column 11 slides inside the groove 10 to realize the change of the position of the lifting flange 6 and adjust the size of the flange assembly at the same time. The flange assembly has a small structure, a compact structure, saves installation space, and meets the installation requirements of different spaces.

[0027] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. A small flange assembly for a vacuum electric heater, comprising a flange assembly body, characterized in that: The flange assembly body comprises an electrical appliance protection cover (1), the electrical appliance protection cover (1) is arranged in a circular tubular structure, a gland (2) is arranged above the electrical appliance protection cover (1), a hanging structure (3) is arranged inside and below the electrical appliance protection cover (1), the hanging structure (3) comprises a hanging pressure plate (4) arranged at the bottom of the electrical appliance protection cover (1), a connecting end (5) is arranged at the bottom of the hanging pressure plate (4), and the connecting end (5) is connected to a hanging flange (6).

2. A small flange assembly for a vacuum electric heater according to claim 1, characterized in that: The hoisting structure (3) is provided with a cylindrical head hexagonal fixing block (7) in addition to the hoisting pressure plate (4) at the bottom. A spring washer (8) is provided below the cylindrical head hexagonal fixing block (7). A flat washer (9) is provided between the spring washer (8) and the hoisting pressure plate (4).

3. A small flange assembly for a vacuum electric heater according to claim 1, characterized in that: A groove (10) is provided inside the hoisting pressure plate (4), and a fixing column (11) is provided inside the groove (10).

4. A small flange assembly for a vacuum electric heater according to claim 3, characterized in that: Both sides of the hanging flange (6) are protrudingly arranged, and both sides are matched with fixed sealing rings (12).

5. The small flange assembly for a vacuum electric heater according to claim 1, characterized in that: The bottom of the connection end (5) is arranged to protrude from the lifting flange (6), and a connection sealing ring (13) is provided at the bottom of the connection end (5), and an elastic gasket (14) is provided below the connection sealing ring (13).

6. A small flange assembly for a vacuum electric heater according to claim 1, characterized in that: A plurality of groups of connecting columns (15) are telescopically arranged between the lifting pressure plate (4) and the lifting flange (6).

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