Waterproof structure of marine motor junction box
By using a combination of components such as a sealing cylinder, upper sealing ring, lower sealing ring, and sealing gasket in the marine motor junction box, the sealing and waterproof properties of the junction box are achieved, solving the problem of water leakage in marine motor junction boxes under specific environments and preventing short circuits.
Patent Information
- Application Number
- CN202422870512.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Marine motor junction boxes may fail to meet sealing and waterproofing requirements under certain conditions, leading to water seepage and subsequent short circuits.
The junction box is sealed by a combination of components such as a sealing cylinder, upper sealing ring, lower sealing ring, sealing gasket, fixing block, bolts and mounting plate, and waterproof performance is ensured by screw connection and limit snap connection.
It effectively solves the waterproofing problem of junction boxes when used on ships, avoiding short circuits caused by internal water seepage.
Smart Images

Figure CN223527728U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor terminal box technical field, concretely is a kind of waterproof structure of marine motor terminal box. BACKGROUND
[0002] Motor terminal box is usually composed of shell, terminal board, insulating material and terminal screw. The shell is usually made of plastic or metal, with waterproof, dustproof and corrosion-resistant functions. The terminal board is the main part of the motor terminal box, used to connect the electrical circuit of the motor. The insulating material is used to isolate the circuit to avoid electrical short circuit and other problems, and the terminal screw is used to fix the terminal board and the electrical circuit.
[0003] The driving source of the ship is usually an electric motor, and a terminal box is used when the motor is connected. Since the terminal box is installed on the ship, it cannot meet the sealing and waterproof requirements in this specific application environment, so water can easily penetrate into the terminal box, causing short circuit problems. Therefore, improvements are needed to address these issues. SUMMARY
[0004] The utility model aims at providing a kind of waterproof structure of marine motor terminal box, to solve the problems raised in the above background technology.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of waterproof structure of marine motor terminal box, including terminal box body, the bottom end of the terminal box body is provided with through slot at both sides, and the inside of through slot is equipped with sealing cylinder, the outer surface of sealing cylinder is equipped with upper sealing ring at top end, and the outer surface of sealing cylinder is equipped with lower sealing ring at bottom end, the bottom end of sealing cylinder is provided with four groups of installation grooves, and the inner wall of one side of four groups of installation grooves is movably screwed with bolt, the inside of sealing cylinder is placed with sealing pad at bottom end, and the side surface of sealing pad is equipped with four groups of fixed blocks, the side of fixed block is provided with screw hole.
[0006] Preferably, the inner side of the terminal box body is equipped with a mounting plate, and the terminal box body is fixedly arranged with the ship cabin wall through the mounting plate and four screws.
[0007] Preferably, the upper sealing ring is inlaid and mounted on the inner wall of the bottom end of the terminal box body.
[0008] Preferably, the top inner wall of the lower sealing ring is arranged in close contact with the bottom end of the terminal box body.
[0009] Preferably, the four groups of fixed blocks are respectively placed in the corresponding installation grooves and are arranged in limiting clamping mode.
[0010] Preferably, the outer diameter of the bolt is matched with the inner diameter of the threaded hole, and one end of the bolt is arranged in the threaded hole and is movably screwed with the threaded hole.
[0011] Preferably, the inside of the junction box body is electrically connected with two groups of junction bodies, and one end of each group of junction bodies penetrates into the inside of the corresponding sealing cylinder and sealing pad.
[0012] Preferably, one end of the bolt is provided with a mounting disc, and one end of the mounting disc is provided with a hand rod.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The sealing cylinder, the upper sealing ring, the lower sealing ring, the mounting groove, the bolt, the mounting disc, the hand rod, the sealing pad, the fixed block and the threaded hole can effectively solve the problem that the existing junction box is installed on the ship, and in this specific application environment, the general junction box cannot meet the sealing and waterproof performance, so that water stains easily enter the inside of the junction box, thereby causing short circuit.
[0015] The junction box body is fixedly arranged on the cabin wall through the mounting plate and the four groups of screws, one end of each group of junction bodies penetrates into the inside of the corresponding sealing cylinder and sealing pad, the upper sealing ring is embeddedly arranged on the inner wall of the bottom end of the junction box body, the top end of the lower sealing ring is in close contact with the bottom end of the junction box body, the sealing pad is placed at the bottom end position in the inside of the sealing cylinder, the four groups of fixed blocks are placed in the corresponding mounting grooves and are limitingly connected, and one end of the four groups of bolts penetrates into the corresponding threaded hole and is movably screwed with the threaded hole, so that the sealing cylinder, the upper sealing ring, the lower sealing ring and the sealing pad can seal the through groove formed in the bottom end of the junction box body, the junction bodies are limited, and the inside of the junction box body is waterproof. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the utility model.
[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the main body of the utility model.
[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the main body of the utility model.
[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the main body of the utility model.
[0020] In the figure: 1, the terminal box body; 11, the mounting plate; 2, the sealing cylinder; 21, the upper sealing ring; 22, the lower sealing ring; 23, the mounting groove; 24, the bolt; 25, the mounting disc; 26, the hand rod; 3, the sealing pad; 31, the fixed block; 32, the threaded hole; 4, the terminal body. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] According to Figures 1-4 As shown in the figure, including terminal box body 1, the inner side of terminal box body 1 is provided with mounting plate 11, and terminal box body 1 is fixedly arranged with cabin wall through mounting plate 11 and four groups of screws, the bottom end of terminal box body 1 is provided with through groove at both sides, and sealing cylinder 2 is arranged in the through groove, the outer surface of sealing cylinder 2 is provided with upper sealing ring 21 at the top end, and the outer surface of sealing cylinder 2 is provided with lower sealing ring 22 at the bottom end, upper sealing ring 21 is inlaidly installed on the bottom end inner wall of terminal box body 1, the top end inner wall of lower sealing ring 22 is inlaidly arranged with the bottom end of terminal box body 1, the bottom end of sealing cylinder 2 is provided with four groups of mounting grooves 23, and the inner wall of one side of four groups of mounting grooves 23 is movably screwed with bolt 24, one end of bolt 24 is provided with mounting disc 25, and one end of mounting disc 25 is provided with hand rod 26.
[0023] Sealing pad 3 is placed at the bottom end of the inside of sealing cylinder 2, and four groups of fixed blocks 31 are arranged on the side surface of sealing pad 3, four groups of fixed blocks 31 are respectively placed in the inside of corresponding mounting grooves 23 and are inlaidly connected, the side of fixed block 31 is provided with threaded hole 32, the outer diameter of bolt 24 is matched with the inner diameter of threaded hole 32, and one end of bolt 24 is movably screwed in the inside of threaded hole 32, two groups of terminal bodies 4 are electrically connected in the inside of terminal box body 1, and one end of two groups of terminal bodies 4 is respectively penetrated in the inside of corresponding sealing cylinder 2 and sealing pad 3.
[0024] In use, the junction box body 1 is fixedly arranged on the cabin wall through the mounting plate 11 and four groups of screws, and one end of the two groups of junction bodies 4 respectively penetrates the inside of the corresponding sealing cylinder 2 and the sealing gasket 3, because the upper sealing ring 21 is embeddedly arranged on the inner wall of the bottom end of the junction box body 1, and the top end of the lower sealing ring 22 is in close contact with the bottom end of the junction box body 1, the sealing gasket 3 is placed at the bottom end of the inside of the sealing cylinder 2, and the four groups of fixing blocks 31 are respectively placed in the corresponding installation grooves 23 and are in limiting clamping arrangement, and one end of the four groups of bolts 24 respectively extends into the inside of the corresponding threaded holes 32 and is in movable screw connection with them, so that the sealing cylinder 2, the upper sealing ring 21, the lower sealing ring 22 and the sealing gasket 3 can seal the through groove opened at the bottom end of the junction box body 1, so as to limit the junction body 4, so as to prevent water from entering the inside of the junction box body 1, so as to solve the problem that the junction box body 1 is installed on the ship, and in this specific application environment, the general junction box body 1 cannot meet the sealing and waterproof performance, so that water stains easily enter the inside of the junction box body 1, thereby causing short circuit.
[0025] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A waterproof structure of a marine motor junction box comprising a junction box body (1), characterized in that: The bottom end of the junction box body (1) is provided with a through slot at both sides, and the inside of the through slot is provided with a sealing cylinder (2), the outer surface of the sealing cylinder (2) is provided with an upper sealing ring (21) at the top end, and the outer surface of the sealing cylinder (2) is provided with a lower sealing ring (22) at the bottom end, the bottom end of the sealing cylinder (2) is provided with four groups of installation grooves (23), and the inner wall of one side of the four groups of installation grooves (23) is movably connected with a bolt (24), the inside of the sealing cylinder (2) is placed with a sealing pad (3) at the bottom end, and the side surface of the sealing pad (3) is provided with four groups of fixing blocks (31), the side of the fixing block (31) is provided with a threaded hole (32).
2. The waterproof structure of a marine motor junction box according to claim 1, characterized in that: The inside of the junction box body (1) is provided with an installation plate (11), and the junction box body (1) is fixedly arranged on the cabin wall through the installation plate (11) and four groups of screws.
3. The waterproof structure of a marine motor junction box according to claim 1, characterized in that: The upper sealing ring (21) is inlaidly installed on the bottom end inner wall of the junction box body (1).
4. The waterproof structure of a marine motor junction box according to claim 1, characterized in that: The top inner wall of the lower sealing ring (22) is arranged in close contact with the bottom end of the junction box body (1).
5. The waterproof structure of a marine motor junction box according to claim 1, characterized in that: Four groups of the fixing block (31) are respectively placed in the corresponding installation groove (23) and are limitingly connected.
6. The waterproof structure of a marine motor junction box according to claim 1, characterized in that: The outer diameter of the bolt (24) is matched with the inner diameter of the threaded hole (32), and one end of the bolt (24) is inserted into the threaded hole (32) and is movably connected with the threaded hole (32).
7. The waterproof structure of a marine motor junction box according to claim 1, characterized in that: The inside of the junction box body (1) is electrically connected with two groups of wiring bodies (4), and one end of the two groups of wiring bodies (4) respectively penetrates into the inside of the corresponding sealing cylinder (2) and sealing pad (3).
8. The waterproof structure of a marine motor junction box according to claim 1, characterized in that: One end of the bolt (24) is provided with an installation disc (25), and one end of the installation disc (25) is provided with a hand rod (26).