Electric control box sealing assembly

Abstract

The utility model discloses an electric control box sealing assembly, which belongs to the technical field of electric control boxes and comprises an upper box body and a lower box body, positioning structures are arranged on two sides of the bottom end of the upper box body, fixing plates are fixedly connected to the periphery of the lower surface of the upper box body, and fixing grooves are formed in the positions, corresponding to the surface of the lower box body, of the surfaces of the fixing plates. The surface of the fixing plate is movably connected with an inner cavity of the fixing groove in an inserted mode, a sealing strip adheres to the inner side wall of the upper box body, the surface of the sealing strip is attached to the inner side wall of the lower box body, wiring ports are formed in the two ends of the upper box body and the two ends of the lower box body, and sealing structures used for improving the sealing performance of wiring positions are arranged on the surfaces of the wiring ports. And the bottom end of the lower box body is fixedly connected with a mounting plate, so that water vapor in air is prevented from entering the electric control box from a gap, the working stability of the electric control box is improved, and the working efficiency of the electric control box is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric control boxes, in particular to an electric control box sealing component. Background Art

[0002] The electronic control system of household appliances is assembled in a semi-enclosed box made of sheet metal, called an electronic control box. Electronic control boxes are widely used in appliances such as air conditioners, dishwashers, and washing machines to store the electronic control systems inside the appliances.

[0003] Traditional electric control boxes are generally connected to various internal electrical components through wires. Since the wiring ports need to assist in fixing the wires, gaps are likely to appear on the surface of the electric control box after fixation, causing water vapor in the air to easily enter the interior of the electric control box through the gaps, affecting the stability of the electric control box during operation and reducing the working efficiency of the electric control box.

[0004] According to the publication number: CN206281151U, an electric control box is provided, including: a box body and an electric control box cover, the box body is provided with a circular through hole, the edge of the through hole is provided with a notch; the electric control box cover is provided with a flange that matches the through hole to achieve a rotational connection, and the edge of the flange is provided with a corresponding latch hook that matches the notch. The utility model realizes the rotational connection between the electric control box cover and the box body by rotatably connecting the electric control box cover to the box body, and limits the axial movement of the electric control box cover by setting the notch and the latch hook, thereby reducing the difficulty of operation when opening and closing the electric control box cover; at the same time, the electric control box cover will not be separated from the box body, and the electric control box cover will not be lost or fall to the ground, ensuring safe use.

[0005] According to the electric control box introduced above, since the wiring port needs to assist in fixing the wires, gaps are easily generated on the surface of the electric control box after fixation, causing water vapor in the air to easily enter the interior of the electric control box through the gaps, affecting the stability of the electric control box during operation and reducing the working efficiency of the electric control box. Therefore, we need to propose an electric control box sealing assembly. Utility Model Content

[0006] The purpose of the utility model is to provide an electric control box sealing assembly, which seals the electric control box by assembling an upper box body and a lower box body into a sealing box, increases the sealing performance of the sealing box by cooperating with a fixing plate and a fixing groove, and performs secondary sealing on the interior of the sealing box by setting a sealing strip to improve the sealing effect, and seals the wiring port of the electric control box by setting a sealing structure, thereby preventing water vapor in the air from entering the interior of the electric control box through the gap, thereby improving the stability of the electric control box during operation, and improving the working efficiency of the electric control box, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing assembly of an electric control box, comprising an upper box body and a lower box body, positioning structures are arranged on both sides of the bottom end of the upper box body, fixing plates are fixedly connected to the four sides of the lower surface of the upper box body, fixing grooves are arranged at positions corresponding to the surfaces of the fixing plates and the surfaces of the lower box body, the surface of the fixing plates is movably plugged into the inner cavity of the fixing grooves, a sealing strip is bonded to the inner wall of the upper box body, the surface of the sealing strip is fitted with the inner wall of the lower box body, wiring ports are arranged at both ends of the upper box body and the lower box body, a sealing structure for improving the sealing of the wiring joints is arranged on the surfaces of the wiring ports, and a mounting plate is fixedly connected to the bottom end of the lower box body.

[0008] Preferably, the positioning structure includes a support plate, a through hole is provided on the surface of the support plate, a movable rod is inserted and slidably in the inner cavity of the through hole of the support plate, one end of the movable rod is fixedly connected with a clamping block, the shape of the clamping block is triangular, a clamping groove is provided on the surface of the clamping block at a position corresponding to the surface of the lower box body, the surface of the clamping block is engaged with the inner cavity of the clamping groove, the other end of the movable rod is fixedly connected to a limiting block, and two groups of movable rods are provided.

[0009] Preferably, two groups of support plates are provided, and the two groups of support plates are both L-shaped.

[0010] Preferably, a return spring is sleeved on the outer surface of the movable rod, and the return spring is located between the support plate and the clamping block.

[0011] Preferably, the sealing structure includes a wiring tube, one end of which is fixedly connected to a slider, a sliding groove is provided on the surface of the slider at a position corresponding to the surfaces of the upper box body and the lower box body, the surface of the slider is slidably connected to the inner cavity of the sliding groove, and a sealing gasket is provided in the inner cavity of the wiring tube.

[0012] Preferably, the sliders are provided in two groups, and the two groups of sliders are provided in a T-shape.

[0013] Preferably, the wiring tube consists of an upper shell and a lower shell, one end of the upper shell and the lower shell are fixedly connected to one end of the slider, positioning holes are provided on the surfaces of the upper shell and the lower shell, the inner cavity of the positioning holes is bolted by bolts and nuts, the bottom end of the upper shell is fixedly connected to a connecting plate, a groove is provided on the surface of the connecting plate at a position corresponding to the surface of the lower shell, and the surface of the connecting plate is plugged and slid into the inner cavity of the groove of the lower shell.

[0014] Preferably, heat dissipation openings are provided at both ends of the upper box body, and waterproof breathable membranes are provided inside the heat dissipation openings.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides an electric control box sealing component, which seals the electric control box by assembling an upper box body and a lower box body into a sealing box, increases the sealing performance of the sealing box by cooperating with a fixing plate and a fixing groove, and performs secondary sealing on the interior of the sealing box by setting a sealing strip to improve the sealing effect, and seals the wiring port of the electric control box by setting a sealing structure, thereby preventing water vapor in the air from entering the interior of the electric control box through a gap, thereby improving the stability of the electric control box during operation, and improving the working efficiency of the electric control box.

[0017] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the decomposed structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the disassembled structure of the positioning structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the disassembled sealing structure of the utility model.

[0022] In the figure: 1. upper box body; 2. lower box body; 3. positioning structure; 31. support plate; 32. movable rod; 33. block; 34. limit block; 4. fixing plate; 5. fixing groove; 6. sealing strip; 7. wiring port; 8. sealing structure; 81. wiring tube; 811. upper shell; 812. lower shell; 813. positioning hole; 814. connecting plate; 82. slider; 83. sealing pad; 9. mounting plate; 10. reset spring; 11. heat dissipation port; 12. waterproof breathable membrane. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4The utility model provides a technical solution: an electric control box sealing component, including an upper box body 1 and a lower box body 2, positioning structures 3 are arranged on both sides of the bottom end of the upper box body 1, and fixing plates 4 are fixedly connected to the four sides of the lower surface of the upper box body 1, and fixing grooves 5 are arranged at positions corresponding to the surfaces of the fixing plates 4 and the surfaces of the lower box body 2, and the surfaces of the fixing plates 4 and the inner cavity of the fixing grooves 5 are plugged and movably connected, and a sealing strip 6 is bonded to the inner wall of the upper box body 1, and the surface of the sealing strip 6 is in contact with the inner wall of the lower box body 2, and wiring ports 7 are arranged at both ends of the upper box body 1 and the lower box body 2, and a sealing structure 8 for improving the sealing of the wiring is arranged on the surface of the wiring port 7, and a mounting plate 9 is fixedly connected to the bottom end of the lower box body 2;

[0025] The electric control box is placed in the lower box body 2, and the upper box body 1 and the lower box body 2 are assembled into the electric control box through the positioning structure 3, and the electric control box is sealed. The sealing performance of the sealed box is increased through the cooperation of the fixing plate and the fixing groove 5. The interior of the sealed box is sealed for a second time through the setting of the sealing strip 6 to improve the sealing effect. The wiring port 7 of the electric control box is sealed through the setting of the sealing structure 8, thereby preventing water vapor in the air from entering the interior of the electric control box through the gap, improving the stability of the electric control box during operation, improving the working efficiency of the electric control box, and solving the problem of water vapor in the air entering the interior of the electric control box through the gap.

[0026] The locking nut 33 is provided on the locking nut 31 so that the locking nut 33 can be locked in the locking nut 31. The locking nut 33 is provided on the locking nut 31 so that the locking nut 33 can be locked in the locking nut 31.

[0027] Two groups of support plates 31 are provided, and the shape of the two groups of support plates 31 is L-shaped. Through the setting of the support plates 31, the stability between the upper box body 1 and the lower box body 2 is improved. Through the cooperation of the two groups of support plates 31, the stability effect of the upper box body 1 and the lower box body 2 after assembly is achieved, and the problem of tilting and shaking at one end after assembly is solved.

[0028] A return spring 10 is sleeved on the outer surface of the movable rod 32, and the return spring 10 is located between the support plate 31 and the block 33. Through the setting of the return spring 10, when the upper box body 1 drives the block 33 on the support plate 31 to contact the surface of the lower box body 2, through the shape setting of the block 33, the block 33 can be moved outward to squeeze the return spring 10. When the block 33 moves to the position of the slot, the return spring 10 rebounds and drives the block 33 to move to the inner cavity of the slot. Through the setting of the return spring 10, the assembly speed of the upper box body 1 and the lower box body 2 is improved, which provides convenience for the assembly of the sealed box and simplifies the assembly steps of the sealed box.

[0029] The sealing structure 8 includes a wiring tube 81, one end of which is fixedly connected to a slider 82, a slide groove is provided at a position on the surface of the slider 82 corresponding to the surfaces of the upper box body 1 and the lower box body 2, the surface of the slider 82 is slidably connected to the inner cavity of the slide groove, and a sealing gasket 83 is provided in the inner cavity of the wiring tube 81. The position of the wiring tube 81 can be moved by the slider 82, and the sealing gasket 83 is used to increase the sealing performance of the inside of the wiring tube 81. Through the cooperation of the sealing gasket 83, the sealing performance of the wiring port 7 is improved, and the problem of poor sealing effect of the wiring port 7 is solved.

[0030] There are two groups of sliders 82, and the shape of the two groups of sliders 82 is T-shaped. Through the setting of the sliders 82, the auxiliary wiring tube 81 slides on the surface of the sealing box. Through the shape setting of the sliders 82, the stability of the wiring tube 81 when moving is improved, and the problem of the slider 82 falling out of the slide groove when moving is solved.

[0031] The wiring tube 81 is composed of an upper shell 811 and a lower shell 812, one end of the upper shell 811 and the lower shell 812 are fixedly connected to one end of the slider 82, and positioning holes 813 are provided on the surfaces of the upper shell 811 and the lower shell 812, and the inner cavity of the positioning holes 813 is bolted by bolts and nuts. The bottom end of the upper shell 811 is fixedly connected with a connecting plate 814, and a groove is provided at a position corresponding to the surface of the lower shell 812. The surface of the connecting plate 814 is plugged and slid with the inner cavity of the groove of the lower shell 812. Through the cooperation of the connecting plate 814 and the groove of the lower shell 812, the sealing of the wiring tube 81 after assembly is increased, thereby solving the problem of water vapor entering the wire connection from the gap of the wiring tube 81 after assembly.

[0032] Both ends of the upper box body 1 are provided with heat dissipation ports 11, and a waterproof breathable membrane 12 is arranged inside the heat dissipation ports 11. The heat dissipation ports 11 can assist in discharging the heat generated when the electric control box is working. The waterproof breathable membrane 12 can prevent water vapor from entering the inner cavity of the sealed box from the heat dissipation ports 11, and at the same time, the internal heat can be discharged. Through the cooperation of the heat dissipation ports 11 and the waterproof breathable membrane 12, the electric control box can be sealed and heat dissipation can be assisted at the same time, which solves the problem of water vapor entering the inner cavity of the sealed box from the heat dissipation ports 11.

[0033] When in use, the electric control box is placed inside the lower box body 2, the upper box body 1 is covered to drive the card block 33 to contact the lower box body 2, and the lower box body 2 squeezes the card block 33, so that the card blocks 33 at both ends move outward to squeeze the reset spring 10. When the card block 33 moves to the position of the card slot, the reset spring 10 rebounds and drives the card block 33 to move to the inner cavity of the card slot, so that the upper box body 1 and the lower box body 2 are combined into a sealed box. At the same time, the internal fixing plate 4 is inserted into the inner cavity of the fixing slot 5, and the surface of the sealing strip 6 is fitted with the inner wall of the lower box body 2. The wires of the electric control box are pulled out from the wiring port 7 to connect with the connecting wire. Subsequently, the upper shell 811 and the lower shell 812 slide on the surface of the sealing box through the slider 82, so that the upper shell 811 and the lower shell 812 are assembled, and the upper shell 811 drives the connecting plate 814 to be inserted into the inner cavity of the slot of the lower shell 812, and then the bolt is inserted into the positioning hole 813 and the locking nut is tightened to combine the upper shell 811 and the lower shell 812 into a wiring tube 81. By setting the sealing gasket 83, the sealing inside the wiring tube 81 is increased, and the wiring port 7 is sealed, thereby preventing water vapor in the air from entering the interior of the electric control box through the gap, improving the stability of the electric control box during operation, and improving the working efficiency of the electric control box.

[0034] 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 electric control box sealing assembly, characterized in that: include: An upper box body (1) and a lower box body (2), wherein both sides of the bottom end of the upper box body (1) are provided with positioning structures (3), and the four sides of the lower surface of the upper box body (1) are fixedly connected with a fixing plate (4), and a fixing groove (5) is provided at a position on the surface of the fixing plate (4) corresponding to the surface of the lower box body (2), and the surface of the fixing plate (4) is movably plugged into the inner cavity of the fixing groove (5); A sealing strip (6) bonded to the inner wall of the upper box body (1), wherein the surface of the sealing strip (6) is in contact with the inner wall of the lower box body (2); Wiring ports (7) are provided at both ends of the upper box body (1) and the lower box body (2); a sealing structure (8) for improving the sealing performance of the wiring connection is provided on the surface of the wiring port (7); and a mounting plate (9) is fixedly connected to the bottom end of the lower box body (2).

2. The electric control box sealing assembly according to claim 1, characterized in that: The positioning structure (3) comprises a support plate (31), a through hole is provided on the surface of the support plate (31), a movable rod (32) is inserted and slidably connected to the inner cavity of the through hole of the support plate (31), one end of the movable rod (32) is fixedly connected to a clamping block (33), the shape of the clamping block (33) is triangular, a clamping groove is provided on the surface of the clamping block (33) at a position corresponding to the surface of the lower box body (2), the surface of the clamping block (33) is engaged with the inner cavity of the clamping groove, the other end of the movable rod (32) is fixedly connected to a limiting block (34), and two groups of movable rods (32) are provided.

3. The electric control box sealing assembly according to claim 2, characterized in that: Two groups of the support plates (31) are provided, and the two groups of the support plates (31) are both L-shaped.

4. The electric control box sealing assembly according to claim 2, characterized in that: The outer surface of the movable rod (32) is sleeved with a return spring (10), and the return spring (10) is located between the support plate (31) and the clamping block (33).

5. The electric control box sealing assembly according to claim 1, characterized in that: The sealing structure (8) comprises a wiring tube (81), one end of which is fixedly connected to a slider (82), a sliding groove is provided on the surface of the slider (82) at a position corresponding to the surfaces of the upper box body (1) and the lower box body (2), the surface of the slider (82) is slidably connected to the inner cavity of the sliding groove, and a sealing gasket (83) is provided in the inner cavity of the wiring tube (81).

6. The electric control box sealing assembly according to claim 5, characterized in that: The sliders (82) are provided in two groups, and the two groups of sliders (82) are provided in a T-shape.

7. The electric control box sealing assembly according to claim 5, characterized in that: The wiring tube (81) is composed of an upper shell (811) and a lower shell (812), one end of the upper shell (811) and the lower shell (812) are fixedly connected to one end of the slider (82), the surfaces of the upper shell (811) and the lower shell (812) are provided with positioning holes (813), the inner cavities of the positioning holes (813) are bolted by bolts and nuts, the bottom end of the upper shell (811) is fixedly connected with a connecting plate (814), the surface of the connecting plate (814) is provided with a notch at a position corresponding to the surface of the lower shell (812), and the surface of the connecting plate (814) is plugged and slidably connected with the inner cavity of the notch of the lower shell (812).

8. The electric control box sealing assembly according to claim 1, characterized in that: Both ends of the upper box body (1) are provided with heat dissipation openings (11), and a waterproof and breathable membrane (12) is provided inside the heat dissipation openings (11).

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