Air extractor of passivation oven

Abstract

The utility model discloses an air exhaust device of a passivation oven, which belongs to the technical field of air exhaust of passivation ovens and comprises an oven, an air exhaust device and an air exhaust device. A control valve is fixedly connected to the outer wall of the oven, a connecting base is fixedly connected to one end of the control valve, a plug is inserted into one end of the connecting base, an axial flow fan is fixedly connected to one end of the plug, two symmetrical sliding grooves are formed in the outer wall of the plug, and limiting blocks are slidably connected to the inner walls of the sliding grooves. Two symmetrical sliding ways are formed in the outer wall of the connecting base, one end of the limiting block is in a chamfer shape and is inserted into the sliding ways, an ejector rod is connected into the sliding ways in a sliding way mode, and one end of the limiting block abuts against one end of the ejector rod. The box opening, material taking and material loading are not influenced, and the axial flow fan is quickly and conveniently disassembled and assembled through cooperation of a limiting block and a top block.

Description

Technical Field

[0001] The utility model relates to the technical field of air extraction of a passivation oven, in particular to an air extraction device of a passivation oven. Background Art

[0002] Many iron hardware parts will have cross-sections left as needed after processing and production. In order to ensure the rust-proof ability of the cross-sections of these iron hardware parts, the hardware parts need to be soaked in the required mixed water passivation liquid and then put into the oven for passivation treatment.

[0003] However, after the oven heats and passivates the hardware iron parts equipped with passivation liquid, a large amount of water vapor mixed with the passivation liquid will accumulate in the oven cavity, affecting the personnel's unpacking and loading of materials.

[0004] Based on this, the utility model designs an exhaust device for a passivation oven to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an exhaust device for a passivation oven to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an exhaust device for a passivation oven, comprising: an oven; a control valve is fixedly connected to the outer wall of the oven, one end of the control valve is fixedly connected to a connecting seat, one end of the connecting seat is plugged with a plug, one end of the plug is fixedly connected to an axial flow fan, the outer wall of the plug is provided with two symmetrical slide grooves, the inner wall of the slide groove is slidably connected to a limiting block, the outer wall of the connecting seat is provided with two symmetrical slideways, one end of the limiting block is chamfered and plugged into the slideway, the inner slideway of the slideway is connected with a push rod, and one end of the limiting block is in conflict with one end of the push rod.

[0007] Preferably, a limiting ring is fixedly connected to the outer wall of the push rod, and the limiting ring is slidably connected in the slideway.

[0008] Preferably, a spring is fixedly connected between the inner wall of the slide groove and one end of the limit block.

[0009] Preferably, a rubber ring is provided between the plug and the connecting socket.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the control valve is plugged into the connecting seat and the plug of the axial flow fan to assist the installation of the axial flow fan; the control valve, the connecting seat, the plug and the axial flow fan are connected; the installed axial flow fan is used to quickly extract the water vapor in the oven without affecting the unpacking and loading of materials by personnel; the axial flow fan is quickly and conveniently disassembled and assembled by the cooperation of the limit block and the top block. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0012] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0013] Figure 2 This is a schematic diagram showing the plug structure of this embodiment;

[0014] Figure 3 This is a schematic diagram highlighting the structure inside the slideway in this embodiment.

[0015] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0016] 1. Oven; 2. Control valve; 3. Connecting seat; 4. Plug; 5. Axial flow fan; 6. Slide; 7. Limit block; 8. Spring; 9. Slide; 10. Push rod; 11. Limiting ring; 12. Rubber ring. DETAILED DESCRIPTION

[0017] 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 of 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.

[0018] See also Figure 1-3 The utility model provides a technical solution: an exhaust device for a passivation oven, comprising: an oven 1; a control valve 2 is fixedly connected to the outer wall of the oven 1, one end of the control valve 2 is fixedly connected to a connecting seat 3, one end of the connecting seat 3 is plugged with a plug 4, one end of the plug 4 is fixedly connected to an axial flow fan 5, the outer wall of the plug 4 is provided with two symmetrical slide grooves 6, the inner wall of the slide groove 6 is slidably connected with a limiting block 7, the outer wall of the connecting seat 3 is provided with two symmetrical slideways 9, one end of the limiting block 7 is chamfered and plugged into the slideway 9, the slideway 9 is connected with a push rod 10, and one end of the limiting block 7 conflicts with one end of the push rod 10;

[0019] The control valve 2 is connected with the processing chamber of the oven 1 and is used to control the water vapor output therein. The control valve 2 is connected with the plug 4 of the connecting seat 3 and the axial flow fan 5 to assist the installation of the axial flow fan 5. The control valve 2, the connecting seat 3, the plug 4 and the axial flow fan 5 are connected. The installed axial flow fan 5 is used to quickly extract the water vapor in the oven 1 without affecting the personnel's unpacking and loading of materials. The axial flow fan 5 is quickly and conveniently disassembled and assembled by utilizing the cooperation of the limit block 7 and the top block.

[0020] Preferably, a limiting ring 11 is fixedly connected to the outer wall of the push rod 10, and the limiting ring 11 is slidably connected to the slideway 9;

[0021] The push rod 10 slides stably in the slideway 9 by means of the limiting ring 11 on the outer wall and is not easy to fall out.

[0022] Preferably, a spring 8 is fixedly connected between the inner wall of the slide groove 6 and one end of the limit block 7;

[0023] The spring 8 is used to push the limiting block 7 to be inserted into the slideway 9 to ensure that the plug 4 is not easy to fall out of the connecting seat 3.

[0024] Preferably, a rubber ring 12 is provided between the plug 4 and the connection socket 3;

[0025] The rubber ring 12 is used to increase the sealing between the plug 4 and the connection socket 3 .

[0026] A specific application of this embodiment is: after the oven 1 is passivated by baking the product, the control valve 2 can be opened first and the axial flow fan 5 can be started. The axial flow fan 5 can be used for suction, so that the water vapor accumulated in the oven 1 is extracted by the control valve 2, flows into the axial flow fan 5 through the connecting seat 3 and the plug 4, and is sucked and pushed to the discharge pipe by the axial flow fan 5. At this time, the personnel can open the oven 1 to take out and load materials. When the axial flow fan 5 needs to be disassembled, cleaned or maintained, the top can be pressed. Rod 10, use the push rod 10 to push the limit block 7 to move into the slide groove 6 of the retracted plug 4, then the personnel can remove the fan and the plug 4, and insert the plug 4 into the connecting seat 3 during installation. When inserting the connecting seat 3, the limit block 7 will first push the retracted slide groove 6 by its chamfered end. After the connecting seat 3 is fully inserted, the slide groove 6 and the slideway 9 are connected, and the limit block 7 will be pushed by the spring 8, inserted into the slideway 9 and lift the push rod 10 to complete the installation, which is quick and convenient for the disassembly and assembly of the axial flow fan 5.

[0027] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust device for a passivation oven, comprising: An oven (1); characterized in that a control valve (2) is fixedly connected to the outer wall of the oven (1), one end of the control valve (2) is fixedly connected to a connecting seat (3), one end of the connecting seat (3) is plugged with a plug (4), one end of the plug (4) is fixedly connected to an axial flow fan (5), the outer wall of the plug (4) is provided with two symmetrical slide grooves (6), the inner wall of the slide groove (6) is slidably connected to a limit block (7), the outer wall of the connecting seat (3) is provided with two symmetrical slideways (9), one end of the limit block (7) is chamfered and plugged into the slideway (9), the inner slideway (9) is connected to a push rod (10), and one end of the limit block (7) is in conflict with one end of the push rod (10).

2. The exhaust device of the passivation oven according to claim 1, characterized in that: A limiting ring (11) is fixedly connected to the outer wall of the push rod (10), and the limiting ring (11) is slidably connected to the inside of the slideway (9).

3. The exhaust device of the passivation oven according to claim 1, characterized in that: A spring (8) is fixedly connected between the inner wall of the slide groove (6) and one end of the limit block (7).

4. The exhaust device of the passivation oven according to claim 1, characterized in that: A rubber ring (12) is provided between the plug (4) and the connecting seat (3).

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