Waterproof switch module, combination switch

Abstract

The utility model discloses a waterproof switch module and combination switch including the waterproof switch module. Waterproof switch module includes: casing, circuit board is installed in the casing, operating part is installed on the circuit board, cover body is installed on the casing, the position of operating part is equipped with through -hole in the cover body, and the trigger part of operating part is out of the through -hole, the glue hole is equipped on the casing, and the casing and the cover body enclose and constitute a filling space, and the filling space is filled with the sealed filling material that is filled through the glue hole, and the sealed filling material forms waterproof seal between the casing and the cover body after solidification, and the casing or cover body is equipped with connecting portion, and connecting portion is used for installing casing or cover body to external component. Can realize glue waterproof in single switch module, reduces the glue amount, reduces cost and weight.

Description

Technical Field

[0001] This utility model relates to combination switches, specifically waterproof switch modules and combination switches. Background Technology

[0002] Combination switches are the control center for electric vehicles and motorcycles. Since electric vehicles and motorcycles inevitably encounter rainy conditions while driving or parking, the waterproof performance of combination switches is a particularly critical technology in such situations.

[0003] In some common waterproofing solutions, each switch is mounted on a bracket, and then the entire bracket is coated with adhesive. This solution involves a large adhesive application area, significantly increasing the amount of adhesive used and resulting in high material costs. At the same time, the large amount of adhesive applied significantly increases the weight of the entire switch combination, which is detrimental to the overall vehicle lightweighting. In addition, after the entire bracket is coated with adhesive, other non-waterproof components inside the bracket are also encapsulated, making maintenance and replacement inconvenient. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a waterproof switch module and combination switch that can achieve waterproofing through glue injection in a single switch module, thereby reducing the amount of glue used and lowering costs and weight.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A waterproof switch module, comprising: case; The circuit board is installed inside the housing; An operating component is mounted on the circuit board; A cover is installed on the housing, and the cover has a through hole corresponding to the position of the operating element, and the trigger part of the operating element extends out from the through hole; The housing has an injection hole, and the housing and the cover form a filling space. The filling space is filled with a sealing filler injected through the injection hole. After the sealing filler cures, it forms a waterproof seal between the housing and the cover. The housing or cover is provided with a connecting part for mounting the housing or cover to an external component.

[0006] As a further improvement of this utility model, the shell and the cover are detachably connected by a snap-fit ​​structure.

[0007] As a further improvement of this utility model, the housing is also provided with a wire outlet hole, and the wires of the circuit board are led out from the wire outlet hole to the outside of the housing.

[0008] As a further improvement of this utility model, the sealing filler is silicone.

[0009] As a further improvement of this utility model, at least a portion of the trigger portion of the operating member is covered by the silicone, which is elastic after curing.

[0010] As a further improvement of this utility model, the housing is also provided with a viewing window for observing the filling status of the sealing filler.

[0011] A combination switch is also provided, comprising: shell; The bracket is disposed within the housing; At least one waterproof switch module as described in any of the preceding claims, the waterproof switch module being detachably connected to the bracket via a connection on its housing or cover.

[0012] As a further improvement of this utility model, the connecting part and the bracket are connected by a snap-fit ​​structure.

[0013] The beneficial effects of this utility model are as follows: by forming a filling space by enclosing the shell and the cover, and by setting an injection hole, the sealing filler can be injected and cured between the shell and the cover of a single switch module, thereby achieving modular waterproof sealing. There is no need to inject glue into the overall bracket of the combination switch, thereby reducing the amount of sealing filler used, reducing material costs and product weight. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the internal structure of the combination switch of this utility model; Figure 2 This is a schematic diagram of the mounting structure of the bracket and waterproof switch module of this utility model; Figure 3 This is a schematic diagram of the waterproof switch module of this utility model. Figure 1 ; Figure 4 This is a schematic diagram of the waterproof switch module of this utility model. Figure 2 ; Figure 5 This is a cross-sectional view of the waterproof switch module of this utility model.

[0015] Reference numerals: 1. Housing; 11. Injection hole; 12. Viewing window; 13. Cable outlet; 2. Circuit board; 3. Operating component; 4. Cover; 41. Connecting part; 42. Through hole; 5. Outer shell; 6. Bracket. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the embodiments shown in the accompanying drawings.

[0017] Reference Figure 1-5 As shown, a waterproof switch module according to this embodiment includes: Casing 1; Circuit board 2 is installed inside housing 1; Operating component 3 is mounted on circuit board 2; The cover 4 is installed on the housing 1. The cover 4 has a through hole 42 at the position corresponding to the operating member 3. The trigger part of the operating member 3 extends out from the through hole 42. The housing 1 has an injection hole 11. The housing 1 and the cover 4 form a filling space. The filling space is filled with a sealing filler injected through the injection hole 11. After the sealing filler cures, it forms a waterproof seal between the housing 1 and the cover 4. The housing 1 or cover 4 is provided with a connecting part 41, which is used to install the housing 1 or cover 4 onto an external component.

[0018] The cover 4 is mounted on top of the housing 1. The through holes 42 on the cover 4 correspond one-to-one with the positions of each operating element 3. The trigger portion of the operating element 3 extends from the through hole 42 for easy pressing. After the housing 1 and the cover 4 are assembled, they enclose a filling space. A sealing filler is injected into this filling space through the injection hole 11 on the housing 1. After being injected in a liquid or fluid state, the sealing filler flows within the filling space and fills the gap between the housing 1 and the cover 4. After the sealing filler cures, a continuous waterproof sealing layer is formed between the housing 1 and the cover 4. External moisture cannot penetrate this sealing layer to enter the interior of the housing 1 and contact the circuit board 2, thus achieving waterproof encapsulation at the level of a single switch module.

[0019] The connecting part 41 on the housing 1 or cover 4 provides a structure for connecting the module to external components, allowing the waterproof switch module to be installed and replaced as an independent functional unit. Through modular adhesive injection, the amount of sealant is controlled within the filling space enclosed by the housing 1 and cover 4 of each individual module, eliminating the need for large-area adhesive injection of the entire switch bracket 6. This reduces adhesive material costs and overall weight while maintaining the convenience of independent maintenance or replacement of individual modules.

[0020] To facilitate the assembly of the housing 1 and the cover 4, in one optional embodiment, the housing 1 and the cover 4 are detachably connected by a snap-fit ​​structure.

[0021] The snap-fit ​​structure may include hooks located on the edge of the housing 1 and slots located on the edge of the cover 4, or vice versa. During assembly, the cover 4 is pressed onto the housing 1, and the hooks engage with the slots to complete the engagement, achieving quick fixation between the housing 1 and the cover 4. The snap-fit ​​connection simplifies the assembly process and improves production efficiency while ensuring reliable connection.

[0022] In one specific structure, the housing 1 is also provided with a wire outlet hole 13, and the wires of the circuit board 2 are led out from the wire outlet hole 13 to the outside of the housing 1.

[0023] The wire exit hole 13 is located on the side wall or bottom of the housing 1. The wires of the circuit board 2 are pre-exited through the wire exit hole 13 before applying the adhesive. When the sealant is injected into the filling space through the adhesive injection hole 11, the sealant will also flow into the area where the wire exit hole 13 is located, and after curing, it will cover the inside of the wire exit hole 13 and the root of the wire, thereby achieving electrical lead-out while maintaining the waterproof and sealing integrity of the area of ​​the wire exit hole 13.

[0024] Further optimization can be achieved by using silicone as the sealing filler. At least a portion of the trigger part of the operating component 3 is covered with silicone, which becomes elastic after curing.

[0025] Silicone is a sealing material with good flowability and elasticity. When injected into the filling space in a liquid or fluid state, it can fully fill all gaps and corners between the housing 1 and the cover 4. After curing, the silicone forms an elastomer, maintaining the integrity of the waterproof seal while possessing a certain degree of flexibility and deformability. The elasticity of the cured silicone prevents the operation of the switch 3 from becoming unusable.

[0026] To facilitate monitoring of the injection quality, a viewing window 12 is also provided on the housing 1, which is used to observe the filling status of the sealant.

[0027] The flow and filling progress of the sealant in the filling space can be observed in real time through window 12. When window 12 shows that the sealant has evenly filled the entire filling space, the dispensing can be stopped.

[0028] This embodiment also provides a combination switch, including: 5. Outer shell; The bracket 6 is installed inside the outer casing 5; At least one waterproof switch module as described above, the waterproof switch module being detachably connected to the bracket 6 via a connecting portion 41 on its housing 1 or cover 4.

[0029] The bracket 6 is fixed inside the housing 5 and is used to support and position each waterproof switch module. Each waterproof switch module is an independently encapsulated waterproof unit, and is detachably connected to the bracket 6 via a connecting part 41 on the housing 1 or cover 4. The connecting part 41 can be a hook, a slot, a plug-in post, or other form of connection structure.

[0030] During assembly, each waterproof switch module is sequentially installed into its corresponding mounting position on bracket 6, with the connecting part 41 fitting into the mating structure on bracket 6. Since each module is independently waterproofed, no additional waterproofing treatment is required between modules. Bracket 6 only provides mechanical load-bearing and positioning functions; it is not glued, thus its weight and cost are unaffected by glue application. When a module malfunctions, it can be individually removed from bracket 6 and replaced without replacing the entire switch combination, reducing maintenance costs.

[0031] To ensure easy module installation, the connecting part 41 and the bracket 6 are connected by a snap-fit ​​structure.

[0032] The connecting part 41 is provided with one or more hooks, and the bracket 6 has corresponding slots or holes. During installation, the waterproof switch module is aligned with the installation position on the bracket 6 and pressed down. The hooks deform elastically and snap into the slots or holes to lock in place. During disassembly, the hooks are pressed down to disengage, and the module can be removed from the bracket 6. This improves assembly efficiency and maintenance convenience.

[0033] Based on the above solutions, the complete workflow of the waterproof switch module is as follows: First, the circuit board 2 (pre-installed operating component 3) is installed inside the housing 1, and the wires of the circuit board 2 are led out from the wire outlet hole 13 on the housing 1; then, the cover 4 is assembled and fixed to the housing 1 through the snap-fit ​​structure, at which time the trigger part of the operating component 3 extends out from the through hole 42 on the cover 4; next, silicone sealant is injected into the filling space enclosed by the housing 1 and the cover 4 through the injection hole 11 on the housing 1, and the filling status of the silicone is observed through the viewing window 12. The injection is stopped after the silicone fills the entire filling space; after the silicone cures, a continuous and dense waterproof sealing layer is formed between the housing 1 and the cover 4, and at the same time, the silicone covers at least a part of the trigger part of the operating component 3. The cured silicone elastic sealing ring allows the trigger part to elastically displace under external pressure to complete the trigger operation; finally, the waterproof switch module is detachably installed on the bracket 6 of the combination switch by snap-fitting the connecting part 41 on the housing 1 or the cover 4. After multiple waterproof switch modules are installed in sequence in the housing 5, a complete combination switch is formed.

[0034] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A waterproof switch module, characterized in that, include: Shell (1); Circuit board (2) is installed inside the housing (1); The operating component (3) is mounted on the circuit board (2); The cover (4) is installed on the housing (1). The cover (4) has a through hole (42) at the position corresponding to the operating member (3). The trigger part of the operating member (3) extends out from the through hole (42). The housing (1) has an injection hole (11) and the housing (1) and the cover (4) form a filling space. The filling space is filled with a sealing filler injected through the injection hole (11). After the sealing filler is cured, it forms a waterproof seal between the housing (1) and the cover (4). The housing (1) or cover (4) is provided with a connecting part (41) for mounting the housing (1) or cover (4) to an external component.

2. The waterproof switch module according to claim 1, characterized in that, The housing (1) and the cover (4) are detachably connected by a snap-fit ​​structure.

3. The waterproof switch module according to claim 1, characterized in that, The housing (1) is also provided with a wire outlet hole (13), and the wires of the circuit board (2) are led out from the wire outlet hole (13) to the outside of the housing (1).

4. The waterproof switch module according to claim 1, characterized in that, The sealing filler is silicone.

5. The waterproof switch module according to claim 4, characterized in that, At least a portion of the trigger portion of the operating element (3) is covered by the silicone, which is elastic after curing.

6. The waterproof switch module according to claim 1, characterized in that, The housing (1) is also provided with a viewing window (12), which is used to observe the filling status of the sealing filler.

7. A combination switch, characterized in that, include: Outer shell (5); A bracket (6) is disposed inside the outer casing (5); At least one waterproof switch module as claimed in any one of claims 1 to 6, the waterproof switch module being detachably connected to the bracket (6) via a connection (41) on its housing (1) or cover (4).

8. The combination switch according to claim 7, characterized in that, The connecting part (41) and the bracket (6) are connected by a snap-fit ​​structure.

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