Vehicle chassis fast-melting distribution box

Abstract

The utility model relates to the technical field of electrical equipment, in particular to a vehicle chassis fast-melting distribution box, which comprises a box body, a sealing groove arranged at the upper end of the box body, a sealing ring arranged in the sealing groove, a box cover assembly arranged at the upper end of the sealing ring, a circuit board assembly arranged in the box body and detachably connected with the box body, a partition plate is arranged on the upper portion of the circuit board assembly, a relay and a safety piece are arranged on the partition plate, a crimping cover is arranged among the box cover assembly, the relay and the safety piece, a sealing ring is made of silica gel, the waterproof effect is good, the box cover assembly tightly presses the sealing ring in a box body sealing groove, it is ensured that the IPX7 protection grade is reached, water is prevented from entering the distribution box, and the service life of the distribution box is prolonged. And the crimping cover has the function of compressing the relay and the safety piece, so that the relay and the safety piece in the box body cannot loosen and fall off when the vibration of the automobile in the running process is transmitted to the box body, and the stability of the electrical element in the running process of the automobile is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a vehicle chassis fast-fuse distribution box. Background Art

[0002] With the continuous development of automobile technology, the electrical system of automobile chassis is becoming increasingly complex. Existing chassis power distribution boxes have certain deficiencies in terms of function, reliability, safety, etc., and cannot meet the high performance requirements of automobile chassis.

[0003] The automotive industry has extremely high requirements for reliability and safety. Traditional automotive distribution boxes must follow strict standards and specifications during the design and manufacturing process to ensure that they can function properly in various harsh working environments.

[0004] Problems with traditional distribution boxes:

[0005] 1. Poor contact: After long-term use, the electrical components and circuit board assembly terminals of traditional distribution boxes are prone to loosening, resulting in poor contact, which in turn affects the normal operation of the circuit.

[0006] 2. Failure of protective functions: When the car is damp or the chassis is severely submerged in water, water can enter the power distribution box, causing a short circuit and resulting in functional failure. Therefore, improvements are necessary. Utility Model Content

[0007] The purpose of the utility model is to overcome the deficiencies of the prior art and to provide a vehicle chassis fast-fuse distribution box to solve the above problems.

[0008] The purpose of the utility model is achieved as follows: a vehicle chassis fast-fuse distribution box, comprising a box body, a sealing groove is provided at the upper end of the box body, a sealing ring is provided in the sealing groove, a box cover assembly is provided at the upper end of the sealing ring, the box cover assembly and the box body are detachably connected, a circuit board assembly is provided inside the box body, a partition is provided on the upper part of the circuit board assembly, a relay and a fuse are provided on the partition, and a crimping cover is provided between the box cover assembly and the relay and fuse.

[0009] Preferably, the box cover assembly is connected to the box body by a plurality of three-combination hexagonal bolts.

[0010] Preferably, a guide plate is provided on one side of the circuit board assembly, an external plate is provided on the box body, the external plate and the guide plate are detachably connected, and an insert is provided on the portion of the external plate located outside the box body.

[0011] Preferably, a sheath terminal is provided on one side of the circuit board assembly, and a sheath component matching the sheath terminal is provided on the box body.

[0012] Preferably, the external plate and the guide plate are connected by cross head combination screws.

[0013] The utility model has the following beneficial effects:

[0014] 1. The vehicle chassis fast-fuse distribution box includes a box body, a sealing groove is provided at the upper end of the box body, a sealing ring is installed in the sealing groove, a box cover assembly is provided at the upper end of the sealing ring, the box cover assembly and the box body are detachably connected, a circuit board assembly is provided inside the box body, a partition is provided on the upper part of the circuit board assembly, a relay and a fuse are provided on the partition, a crimping cover is provided between the box cover assembly and the relay and fuse, and the sealing ring is made of silicone with good waterproof effect. The box cover assembly tightly presses the sealing ring in the sealing groove of the box body to ensure that the IPX7 protection level is achieved to prevent water from entering the distribution box and circuit short circuit causing functional failure. The function of the crimping cover is to compress the relay and fuse to ensure that when the vibration of the car during operation is transmitted to the box body, the relay and fuse inside the box body will not loosen or fall off, thereby ensuring the stability of the electrical components during the operation of the car.

[0015] 2. A guide plate is provided on one side of the circuit board assembly, and an external plate is injection-molded on the box body. The external plate and the guide plate are detachably connected. Preferably, the external plate and the guide plate are connected by a cross-head combination screw. The part of the external plate placed outside the box body is provided with an insert, which is responsible for connecting the external wire power supply. The external plate is connected to the guide plate to form a circuit board path.

[0016] 3. A sheath terminal is provided on one side of the circuit board assembly, and a sheath component that matches the sheath terminal is provided on the box body. The sheath terminal and the sheath component of the box body are responsible for connecting with the external output function wires of the vehicle. The function definition can be flexibly adjusted and changed due to different vehicle model requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for the description of the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the internal structure of the box body of the present utility model;

[0019] Figure 2 This is an overall top view of the utility model;

[0020] Figure 3 This is the overall front view of the utility model;

[0021] The symbols in the accompanying drawings are:

[0022] 1. Box cover assembly, 2. Box body, 3. Sealing groove, 4. Sealing ring, 5. Circuit board assembly, 6. Partition, 7. Relay, 8. Fuse, 9. Crimp cover, 10. Three-combination hexagonal bolt, 11. Guide plate, 12. External board, 13. Sheath terminal, 14. Sheath assembly, 15. Cross head combination screw. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the technical solutions in the specific implementation methods of the present invention are clearly and completely described below to further illustrate the present invention. Obviously, the specific implementation methods described are only part of the implementation methods of the present invention, rather than all styles.

[0024] The following is combined with Figure 1-3 The utility model is described in further detail.

[0025] Example 1:

[0026] A vehicle chassis fast-fuse distribution box includes a box body 2, a sealing groove 3 is provided at the upper end of the box body 2, a sealing ring 4 is installed in the sealing groove 3, a box cover assembly 1 is provided at the upper end of the sealing ring 4, the box cover assembly 1 and the box body 2 are detachably connected, a circuit board assembly 5 is provided inside the box body 2, a partition 6 is provided on the upper part of the circuit board assembly 5, a relay 7 and a fuse 8 are provided on the partition 6, and a crimping cover 9 is provided between the box cover assembly 1 and the relay 7 and the fuse 8.

[0027] The sealing ring 4 is made of silicone and has good waterproof effect. The box cover assembly 1 tightly presses the sealing ring 4 in the sealing groove 3 of the box body 2 to ensure that the IPX7 protection level is achieved, avoiding water from entering the distribution box and circuit short circuit leading to functional failure. The function of the crimping cover 9 is to press the relay 7 and the fuse 8 to ensure that when the vibration of the car during operation is transmitted to the box body 2, the relay 7 and the fuse 8 inside the box body 2 will not loosen or fall off, thereby ensuring the stability of the electrical components during the operation of the car.

[0028] In this embodiment, the box cover assembly 1 and the box body 2 can be connected by seven M6 three-combination hexagonal bolts 10, and the installation and disassembly operations are convenient and the effect is reliable.

[0029] In this embodiment, a guide plate 11 is provided on one side of the circuit board assembly 5, and an external plate 12 is injection-molded on the box body 2. The external plate 12 and the guide plate 11 are detachably connected. Preferably, the external plate 12 and the guide plate 11 are connected by a cross head combination screw 15. The part of the external plate 12 placed outside the box body 2 is provided with an insert, which is responsible for connecting the external wire power supply, and connecting the external plate 12 to cooperate with the guide plate 11 to form a circuit board path.

[0030] In this embodiment, a sheath terminal 13 is provided on one side of the circuit board assembly 5. A sheath assembly 14 is provided on the housing 2 to mate with the sheath terminal 13. The sheath terminal 13 and the sheath assembly 14 of the housing 2 are responsible for connecting to the vehicle's external output function wires. The functional definition can be flexibly adjusted to meet the requirements of different vehicle models. The sheath structure is preferably made from internationally renowned brands such as Tyco, which guarantees IPX7 protection.

[0031] The working principle of the present utility model is as follows: the vehicle chassis fast-fuse distribution box comprises a box body 2, a sealing groove 3 is provided at the upper end of the box body 2, a sealing ring 4 is installed in the sealing groove 3, a box cover assembly 1 is provided at the upper end of the sealing ring 4, the box cover assembly 1 and the box body 2 are detachably connected, a circuit board assembly 5 is provided inside the box body 2, a partition 6 is provided on the upper part of the circuit board assembly 5, a relay 7 and a fuse piece 8 are provided on the partition 6, and a crimping cover 9 is provided between the box cover assembly 1 and the relay 7 and the fuse piece 8.

[0032] The sealing ring 4 is made of silicone and has good waterproof effect. The box cover assembly 1 tightly presses the sealing ring 4 in the sealing groove 3 of the box body 2 to ensure that the IPX7 protection level is achieved, avoiding water from entering the distribution box and circuit short circuit leading to functional failure. The function of the crimping cover 9 is to press the relay 7 and the fuse 8 to ensure that when the vibration of the car during operation is transmitted to the box body 2, the relay 7 and the fuse 8 inside the box body 2 will not loosen or fall off, thereby ensuring the stability of the electrical components during the operation of the car.

[0033] A guide plate 11 is provided on one side of the circuit board assembly 5. An external plate 12 is injection-molded onto the box body 2. The external plate 12 and guide plate 11 are detachably connected. Preferably, the external plate 12 and guide plate 11 are connected via a cross-head combination screw 15. The portion of the external plate 12 located outside the box body 2 is provided with an insert, which is responsible for connecting external wires and power supplies. The external plate 12 and the guide plate 11 form a circuit board path. A sheath terminal 13 is provided on one side of the circuit board assembly 5. A sheath assembly 14 is provided on the box body 2 to mate with the sheath terminal 13. The sheath terminal 13 and the sheath assembly 14 of the box body 2 are responsible for connecting to the vehicle's external output function wires. The functional definition can be flexibly adjusted and changed according to different vehicle model requirements.

[0034] It should be pointed out that, according to the needs of implementation, the various components described in the embodiments of the present invention can be split into more components, or two or more components or parts of components can be combined into new components to achieve the purpose of the embodiments of the present invention. The above embodiments only express several implementation methods of the present invention, and their descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that for ordinary technicians in this field, without departing from the concept of the present invention, several variations and improvements can be made, which all fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent of this utility model shall be based on the attached claims.

Claims

1. A vehicle chassis fast-fuse distribution box, comprising a box body (2), characterized in that: The upper end of the box body (2) is provided with a sealing groove (3), a sealing ring (4) is provided in the sealing groove (3), a box cover assembly (1) is provided on the upper end of the sealing ring (4), the box cover assembly (1) and the box body (2) are detachably connected, a circuit board assembly (5) is provided inside the box body (2), a partition (6) is provided on the upper part of the circuit board assembly (5), a relay (7) and a fuse (8) are provided on the partition (6), and a crimping cover (9) is provided between the box cover assembly (1), the relay (7) and the fuse (8).

2. The vehicle chassis fast-fuse distribution box according to claim 1, characterized in that: The box cover assembly (1) and the box body (2) are connected via a plurality of three-combination hexagonal bolts (10).

3. The vehicle chassis fast-fuse distribution box according to claim 1, characterized in that: A guide plate (11) is provided on one side of the circuit board assembly (5), an external plate (12) is provided on the box body (2), the external plate (12) and the guide plate (11) are detachably connected, and an insert is provided on the portion of the external plate (12) located outside the box body (2).

4. The vehicle chassis fast-fuse distribution box according to claim 1, characterized in that: A sheath terminal (13) is provided on one side of the circuit board assembly (5), and a sheath component (14) matching the sheath terminal (13) is provided on the box body (2).

5. The vehicle chassis fast-fuse distribution box according to claim 3, characterized in that: The external connecting plate (12) and the guide plate (11) are connected via a cross head combination screw (15).

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