CN219740869U - Circuit board protection device and waterproof radiator - Google Patents

Abstract

The utility model belongs to the technical field of electric appliance protection, and particularly relates to a circuit board protection device and a waterproof radiator. The waterproof rubber ring also comprises a plurality of waterproof rubber rings and a plurality of pressing blocks. The through hole comprises two connecting holes, the diameter of the inner ring of the rubber waterproof ring is equal to the diameter of the connecting holes, the rubber waterproof ring is arranged on one side of the connecting holes, and the central shaft of the rubber waterproof ring coincides with the central shaft of the connecting holes. The briquetting is connected in one side of casing, and waterproof circle of rubber is located between briquetting and the casing, and the briquetting is used for extrudeing waterproof circle butt casing of rubber. The pressing block is also provided with two wire passing holes, and the central axes of the wire passing holes are coincident with the central axes of the adjacent connecting holes. The pencil of same signal source passes through two connecting holes on a through-hole, and a briquetting compresses tightly the waterproof circle of rubber of two connecting hole one sides, can avoid the waterproof circle of rubber to appear dropping the condition in installation or use.

Description

Circuit board protection device and waterproof radiator

Technical Field

The utility model belongs to the technical field of electric appliance protection, and particularly relates to a circuit board protection device and a waterproof radiator.

Background

In order to facilitate installation and maintenance, the electric equipment can work under the worst condition, and the manufacturer can integrate the wires with different specifications and different colors used by each electric equipment through reasonable arrangement and place the wires into the shell, so that the electric equipment is complete and reliable. The wire harness is required to pass through the shell, so that a sealing ring is usually arranged on the wire harness for protecting the wire harness, and the wire harness has the effects of water resistance, dust resistance and sound insulation sealing. But the fixed effect of the rubber sealing ring in the prior art is poor, so that the situation of falling and falling frequently occurs in the installation or use process, the wire harness protection effect is reduced, the probability of wire harness damage is increased, and unnecessary troubles are brought to users. And after the rubber sealing ring falls off from the shell, the shell does not have a sealing effect any more and is easy to be immersed into the shell by water. Therefore, in view of the above technical problems, it is necessary to provide a circuit board protection device.

Disclosure of Invention

The utility model aims to provide a circuit board protection device and a waterproof radiator, and aims to solve the problems that the fixing effect of a rubber sealing ring in the prior art is poor, so that falling and falling often occur in the installation or use process, the circuit of a connector connected with a circuit board is easy to disorder, and the circuit board heats and the like.

In order to achieve the above object, the circuit board protection device provided by the embodiment of the utility model comprises a shell, wherein the shell is internally used for placing a circuit board, and one side of the shell is provided with a plurality of through holes for threading. The waterproof rubber ring also comprises a plurality of waterproof rubber rings and a plurality of pressing blocks. The through hole comprises two connecting holes, the diameter of the inner ring of the rubber waterproof ring is equal to the diameter of the connecting holes, the rubber waterproof ring is arranged on one side of the connecting holes, and the central shaft of the rubber waterproof ring coincides with the central shaft of the connecting holes. The briquetting is connected in one side of casing, and waterproof circle of rubber is located between briquetting and the casing, and the briquetting is used for extrudeing waterproof circle butt casing of rubber. The pressing block is also provided with two wire passing holes, and the central axes of the wire passing holes are coincident with the central axes of the adjacent connecting holes.

Further, the shell is also provided with a plurality of circular grooves, the circular grooves are arranged on one side of the connecting hole, and the central axes of the circular grooves are coincident with the central axes of the connecting hole. The diameter of the inner ring of the circular groove is equal to that of the connecting hole, and the diameter of the outer ring of the circular groove is larger than or equal to that of the outer ring of the rubber waterproof ring.

Further, a connecting groove is arranged between two adjacent circular grooves and is used for communicating the two adjacent circular grooves.

Further, two annular extrusion convex blocks extend downwards from one side of the pressing block, and the central axes of the annular extrusion convex blocks are coincided with the central axis of the wire passing hole. The annular extrusion convex blocks are matched with the circular grooves, connecting keys are arranged between the two annular extrusion convex blocks, the connecting keys are connected with the two annular extrusion convex blocks, and the connecting keys are matched with the connecting grooves. The annular extrusion lug is used for extruding the rubber waterproof ring to abut against the circular groove.

Further, the lower extreme of the waterproof rubber ring is provided with a rubber sealing ring, and the diameter of the rubber sealing ring is greater than that of the waterproof rubber ring. A sealing hole is arranged in the rubber sealing ring, and two ends of the sealing hole are respectively communicated with the connecting hole and the through hole. The annular extrusion lug is used for extruding the rubber sealing ring to abut against the circular groove.

Further, the outside of rubber seal is equipped with a plurality of annular grooves, and annular groove sets up around rubber seal.

Further, the briquetting upwards extends and is equipped with two guide posts, offers the guiding hole on the guide post, and the guiding hole communicates with the line hole.

Further, 4 positioning holes are formed in the pressing block, the positioning holes are distributed along the central array of the pressing block, and a plurality of positioning screw holes opposite to the positioning holes are formed in the shell.

The other waterproof radiator provided by the embodiment of the utility model comprises a circuit board protection device and a cooling fan. The heat dissipation fan is arranged on one side of the shell and is used for dissipating heat of the shell.

Further, the heat exchange fin assembly is arranged on one side, close to the cooling fan, of the shell, and the cooling fan is located between the shell and the heat exchange fin assembly.

The above technical solutions in the circuit board protection device provided by the embodiments of the present utility model have at least one of the following technical effects: the circuit board is placed in the shell, a plurality of electrical components on the circuit board are required to be connected with external wires, a plurality of through holes are further formed in the shell and used for threading, a rubber waterproof ring is arranged on the outer side of each through hole and sleeved on the wire harness, meanwhile, the pressing block is used for pressing the rubber waterproof ring to be abutted against the shell, so that the through holes are sealed, the waterproof ring cannot fall off from the shell in the wire harness pulling process, falling and falling of the rubber waterproof ring in the installation or use process can be avoided, and the sealing effect of the shell is reduced after the rubber waterproof ring falls off; meanwhile, the through holes comprise two connecting holes, and the wire harness which is generally connected with the circuit board is provided with an input end and an output end, so that the wire harness of the same signal source passes through the two connecting holes on one through hole, and one pressing block presses the rubber waterproof ring on one side of the two connecting holes, so that the wire harness distribution of the circuit board in the connecting shell is visual and neat.

The above technical solutions in the waterproof radiator provided by the embodiments of the present utility model have at least one of the following technical effects: because the circuit board can produce a large amount of heat at work, cover and establish a buckler after, the inside radiating effect of circuit board is worse, can not effectually dispel the heat to the circuit board to influence the operating condition of circuit board, consequently set up a radiator fan in one side of casing and be used for dispelling the heat for the casing, thereby avoid the circuit board high temperature to influence the operating condition of circuit board.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a circuit board protection device and a waterproof radiator according to an embodiment of the present utility model.

Fig. 2 is an explosion schematic diagram of a circuit board protection device and a waterproof radiator according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a circuit board protection device and a pressing block of a waterproof radiator according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a circuit board protection device and a waterproof rubber ring of a waterproof radiator according to an embodiment of the present utility model.

Reference numerals: 10. a housing; 11. a through hole; 12. a connection hole; 13. a circular groove; 14. a connecting groove; 15. positioning screw holes; 30. a rubber waterproof ring; 31. a rubber seal ring; 32. sealing the hole; 33. an annular groove; 40. briquetting; 41. a wire through hole; 42. annular extrusion convex blocks; 44. a guide post; 45. a guide hole; 46. positioning holes; 47. a connecting key; 50. a heat radiation fan; 60. and a heat exchange fin assembly.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, referring to fig. 1 to 4, a circuit board protection device is provided, which includes a housing 10, a circuit board is placed in the housing 10, a plurality of through holes 11 are provided on one side of the housing 10, and the through holes 11 are used for wire passing. Also included are a plurality of rubber waterproofing rings 30 and a plurality of press blocks 40. The through hole 11 comprises two connecting holes 12, the diameter of the inner ring of the rubber waterproof ring 30 is equal to the diameter of the connecting holes 12, the rubber waterproof ring 30 is arranged on one side of the connecting holes 12, and the central axis of the rubber waterproof ring 30 coincides with the central axis of the connecting holes 12. The briquetting 40 is connected in one side of casing 10, and rubber waterproof circle 30 is located between briquetting 40 and casing 10, and briquetting 40 is used for pressing rubber waterproof circle 30 butt casing 10. The pressing block 40 is also provided with two wire passing holes 41, and the central axes of the wire passing holes 41 are coincident with the central axes of the adjacent connecting holes 12. In this embodiment, the circuit board is placed in the casing 10, and several electrical components on the circuit board need to be connected with external wires, so that the casing 10 is further provided with several through holes 11 for passing wires, a rubber waterproof ring 30 is arranged at the outer side of the through hole 11, the rubber waterproof ring 30 is sleeved on the wire harness, meanwhile, the pressing block 40 is used for pressing the rubber waterproof ring 30 to abut against the casing 10, so that the through hole 11 is sealed, the waterproof ring cannot fall off from the casing 10 in the process of pulling the wire harness, and therefore falling and falling of the rubber waterproof ring 30 in the installation or use process can be avoided, and the sealing effect of the casing 10 is reduced after the rubber waterproof ring 30 falls off; meanwhile, the through hole 11 comprises two connecting holes 12, and the wire harness which is generally connected with the circuit board is provided with an input end and an output end, so that the wire harness of the same signal source passes through the two connecting holes 12 on one through hole 11, and one pressing block 40 presses the rubber waterproof ring 30 on one side of the two connecting holes 12, so that the wire harness distribution of the circuit board in the connecting shell 10 is visual and neat.

Specifically, referring to fig. 1 to 4, the housing 10 is further provided with a plurality of circular grooves 13, the circular grooves 13 are disposed on one side of the connection hole 12, and a central axis of the circular grooves 13 coincides with a central axis of the connection hole 12. The diameter of the inner ring of the circular groove 13 is equal to that of the connecting hole 12, and the diameter of the outer ring of the circular groove 13 is larger than or equal to that of the rubber waterproof ring 30. In this embodiment, the circular groove 13 is used for clamping the rubber waterproof ring 30, so that the rubber waterproof ring 30 is positioned in the circular groove 13, and the rubber waterproof ring 30 is matched with the wire harness sealing through hole 11 to achieve the waterproof effect.

Specifically, referring to fig. 1 to 4, a connection groove 14 is provided between two adjacent circular grooves 13, and the connection groove 14 is used for communicating the two adjacent circular grooves 13. In this embodiment, a connection groove 14 is disposed between two adjacent circular grooves 13, and the connection groove 14 is used for communicating two adjacent circular grooves 13, so that the processing of the circular grooves 13 on the housing 10 is more convenient and faster.

Specifically, referring to fig. 1 to 4, two annular extrusion protrusions 42 extend downward from one side of the pressing block 40, and the central axis of the annular extrusion protrusion 42 coincides with the central axis of the wire passing hole 41. The annular extrusion convex blocks 42 are matched with the circular grooves 13, a connecting key 47 is arranged between the two annular extrusion convex blocks 42, the connecting key 47 is connected with the two annular extrusion convex blocks 42, and the connecting key 47 is matched with the connecting groove 14. The annular pressing projection 42 is used to press the rubber waterproofing ring 30 against the circular groove 13. In this embodiment, the annular extrusion protruding block 42 is matched with the circular groove 13, the connecting key 47 is matched with the connecting groove 14, the annular extrusion protruding block 42 is used for extruding the rubber waterproof ring 30 to be abutted in the circular groove 13, the connecting key 47 plays a role in positioning, the pressing block 40 can be assembled at a corresponding position more conveniently, and the annular extrusion protruding block 42 is matched with the circular groove 13, so that the installation is more convenient.

Specifically, referring to fig. 1 to 4, a rubber seal ring 31 is provided at the lower end of the rubber waterproof ring 30, and the diameter of the rubber seal ring 31 is larger than the diameter of the rubber waterproof ring 30. A sealing hole 32 is arranged in the rubber sealing ring 31, and two ends of the sealing hole 32 are respectively communicated with the connecting hole 12 and the through hole 11. The annular extrusion projection 42 is used for extruding the rubber seal 31 against the circular groove 13. In this embodiment, when the briquetting 40 extrudes the waterproof rubber ring 30, the briquetting 40 extrudes the rubber sealing ring 31, so that the rubber sealing ring 31 is firmly abutted in the circular groove 13, the gap between the rubber sealing ring 31 and the shell 10 is reduced, a better sealing effect is achieved, the waterproof rubber ring 30 is clamped between the shell 10 and the briquetting 40, the waterproof rubber ring 30 is prevented from falling off from the shell 10, and the sealing effect of the shell 10 is prevented from being reduced.

Specifically, referring to fig. 1 to 4, the outer side of the rubber seal ring 31 is provided with a plurality of annular grooves 33, and the annular grooves 33 are provided around the rubber seal ring 31. In this embodiment, when the pressing block 40 presses the rubber sealing ring 31, the rubber sealing ring 31 deforms, and at this time, the annular groove 33 makes a certain space for the deformation of the rubber sealing ring 31, so that the situation that the pressing block 40 presses the rubber sealing ring 31 too much in strength and the rubber sealing ring 31 breaks to affect the air tightness and the water resistance of the rubber sealing ring is avoided.

Specifically, referring to fig. 1 to 4, the pressing block 40 is provided with two guide posts 44 extending upward, the guide posts 44 are provided with guide holes 45, and the guide holes 45 are communicated with the wire passing holes 41. In this embodiment, the wire harness enters the housing 10 through the guide hole 45, and the installation is more convenient.

Specifically, referring to fig. 1 to 4, 4 positioning holes 46 are provided on the pressing block 40, each positioning hole 46 is distributed along the central array of the pressing block 40, and a plurality of positioning screw holes 15 opposite to the positioning holes 46 are provided on the housing 10. In this embodiment, 4 locating holes 46 are formed in the pressing block 40, the locating holes 46 are distributed along the central array of the pressing block 40, a plurality of locating screw holes 15 opposite to the locating holes 46 are formed in the shell 10, the screws penetrate through the locating holes 46 and are connected to the locating screw holes 15 in a screwed mode, disassembly and assembly are convenient and fast, the pressing block 40 presses the rubber waterproof ring 30 more evenly, and gaps between the rubber waterproof ring 30 and the shell 10 are avoided.

In another embodiment of the present utility model, referring to fig. 1 to 4, a waterproof radiator is provided, which includes a circuit board protection device and a heat dissipation fan 50. The heat radiation fan 50 is provided at one side of the housing 10 for radiating the housing 10. In this embodiment, since a large amount of heat is generated during operation of the circuit board, after a waterproof cover is covered, the heat dissipation effect inside the circuit board is worse, and the circuit board cannot be effectively dissipated, so that the working state of the circuit board is affected, and therefore, a heat dissipation fan 50 is arranged on one side of the casing 10 to dissipate heat of the casing 10, so that the working state of the circuit board is prevented from being affected by high temperature of the circuit board.

Specifically, referring to fig. 1 to 4, the heat exchanger further includes a heat exchanging fin assembly 60, the heat exchanging fin assembly 60 is disposed at one side of the housing 10 near the heat dissipating fan 50, and the heat dissipating fan 50 is located between the housing 10 and the heat exchanging fin assembly 60. In the present embodiment, the heat exchange fin assembly 60 is disposed on one side of the housing 10 close to the heat dissipating fan 50, and the heat dissipating fan 50 is located between the housing 10 and the heat exchange fin assembly 60, so as to enhance the heat dissipating effect.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The circuit board protection device comprises a shell, wherein the shell is internally used for placing a circuit board, one side of the shell is provided with a plurality of through holes, and the through holes are used for threading; the method is characterized in that: the waterproof rubber ring comprises a plurality of waterproof rubber rings and a plurality of pressing blocks; the through hole comprises two connecting holes, the diameter of the inner ring of the rubber waterproof ring is equal to the aperture of the connecting hole, the rubber waterproof ring is arranged on one side of the connecting hole, and the central axis of the rubber waterproof ring is coincident with the central axis of the connecting hole; the pressing block is connected to one side of the shell, the rubber waterproof ring is located between the pressing block and the shell, and the pressing block is used for pressing the rubber waterproof ring to abut against the shell; and the pressing block is also provided with two wire passing holes, and the central axes of the wire passing holes are coincident with the central axes of the adjacent connecting holes.

2. The circuit board protection device according to claim 1, wherein: the shell is also provided with a plurality of circular grooves, the circular grooves are arranged on one side of the connecting hole, and the central axes of the circular grooves are coincident with the central axes of the connecting hole; the diameter of the inner ring of the circular groove is equal to that of the connecting hole, and the diameter of the outer ring of the circular groove is larger than or equal to that of the outer ring of the rubber waterproof ring.

3. The circuit board protection device according to claim 2, wherein: a connecting groove is arranged between two adjacent circular grooves and is used for communicating the two adjacent circular grooves.

4. A circuit board protection device according to claim 3, wherein: two annular extrusion convex blocks extend downwards from one side of the pressing block, and the central axes of the annular extrusion convex blocks are coincided with the central axis of the wire passing hole; the annular extrusion convex blocks are matched with the circular grooves, a connecting key is arranged between the two annular extrusion convex blocks, the connecting key is connected with the two annular extrusion convex blocks, and the connecting key is matched with the connecting groove; the annular extrusion protruding block is used for extruding the rubber waterproof ring to abut against the circular groove.

5. The circuit board protection device according to claim 4, wherein: the lower end of the rubber waterproof ring is provided with a rubber sealing ring, and the diameter of the rubber sealing ring is larger than that of the rubber waterproof ring; a sealing hole is formed in the rubber sealing ring, and two ends of the sealing hole are respectively communicated with the connecting hole and the through hole; the annular extrusion protruding block is used for extruding the rubber sealing ring to abut against the circular groove.

6. The circuit board protection device according to claim 5, wherein: the outside of rubber seal is equipped with a plurality of annular grooves, the annular groove is around rubber seal sets up.

7. The circuit board protection device according to claim 4, wherein: the briquetting upwards extends and is equipped with two guide posts, offer the guiding hole on the guide post, the guiding hole with the line hole intercommunication.

8. The circuit board protection device according to any one of claims 1 to 7, wherein: the pressing block is provided with 4 positioning holes, the positioning holes are distributed along the central array of the pressing block, and the shell is provided with a plurality of positioning screw holes opposite to the positioning holes.

9. A waterproof radiator, characterized in that: a circuit board protection device comprising any one of claims 1 to 8, further comprising a heat radiation fan; the heat radiation fan is arranged on one side of the shell and used for radiating heat of the shell.

10. The water resistant heat sink of claim 9 wherein: the heat exchange device further comprises a heat exchange fin assembly, wherein the heat exchange fin assembly is arranged on one side, close to the cooling fan, of the shell, and the cooling fan is located between the shell and the heat exchange fin assembly.