CN221090723U - Micro-gap switch pencil structure - Google Patents
Micro-gap switch pencil structure Download PDFInfo
- Publication number
- CN221090723U CN221090723U CN202322957656.XU CN202322957656U CN221090723U CN 221090723 U CN221090723 U CN 221090723U CN 202322957656 U CN202322957656 U CN 202322957656U CN 221090723 U CN221090723 U CN 221090723U
- Authority
- CN
- China
- Prior art keywords
- outer shell
- micro
- switch
- pcb assembly
- harness structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 24
- 239000012790 adhesive layer Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000006223 plastic coating Substances 0.000 claims abstract description 10
- 239000000565 sealant Substances 0.000 claims abstract description 10
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 238000004382 potting Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 4
- 210000000078 claw Anatomy 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 10
- 238000007493 shaping process Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002991 molded plastic Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The utility model discloses a micro-switch wire harness structure, which comprises an outer shell, a tact switch, a PCB assembly, a pressing plate, a potting adhesive layer, a plastic coating layer and a soft adhesive layer, wherein the outer shell is provided with a plurality of micro-switch wires; the touch switch is fixed on the PCB assembly through patch welding, and the touch switch and the PCB assembly are arranged in the inner cavity of the outer shell; the soft adhesive layer is formed at the upper end opening of the outer shell in an injection molding mode; the clamp plate is followed the lower extreme opening of shell body is impressed and is held in the top the bottom surface of PCB subassembly, the lower extreme of shell body and clamp plate outside are irritated and are established the shaping and have the pouring sealant layer to seal, the pouring sealant layer is moulded plastics in the outside secondary after the shaping. The utility model firstly fills the glue and cures at high temperature, and then carries out secondary injection molding, thereby ensuring protection and also taking account of appearance consistency, greatly improving the sealing protection performance, having compact and reasonable integral structure, simultaneously reducing the process difficulty, shortening the production period and reducing the cost.
Description
Technical Field
The utility model relates to the technical field of automobile equipment, in particular to a micro-switch wire harness structure.
Background
Door handles are an important component of the frame part of a car, which is used for opening and closing control of the car door. The existing door handle needs to be added with decorations such as atmosphere lamps, and has high requirements on space occupation of all components in the interior, in particular to a micro switch and a connecting wire harness thereof.
At present, the micro-switch needs to meet the requirements of water resistance and durability, but the conventional water-proof micro-switch has the defect of large volume, and the micro-switch has poor water resistance, so that the micro-switch wire harness structure with compact structure and water resistance is needed to be produced.
Disclosure of utility model
In order to overcome the defects of related products in the prior art, the utility model provides a micro-switch wire harness structure.
The utility model provides a micro-switch wire harness structure, comprising: the touch switch comprises an outer shell, a touch switch, a PCB assembly, a pressing plate, a potting adhesive layer, a plastic coating layer and a soft adhesive layer; the touch switch is fixed on the PCB assembly through patch welding, the outer shell is of a hollow structure with two open ends, and the touch switch and the PCB assembly are arranged in an inner cavity of the outer shell; the soft adhesive layer is formed at the opening of the upper end of the outer shell in an injection molding mode, and the soft adhesive layer covers the tact switch and the front face of the PCB assembly; the clamp plate is followed the lower extreme opening of shell body is impressed and is held in the top the bottom surface of PCB subassembly, the lower extreme of shell body and clamp plate outside are irritated and are established the shaping and have the pouring sealant layer to seal, the pouring sealant layer is moulded plastics in the outside secondary after the shaping.
In some embodiments of the present utility model, a plurality of groups of arc-shaped wire clamping grooves are formed in one side of the lower end of the outer housing, a wire harness is inserted into the wire clamping grooves and extends into the inner cavity of the outer housing, and the wire harness passes through the pressing plate, is welded and fixed with the PCB assembly, and is coated by the potting adhesive layer and the plastic coating layer.
In some embodiments of the present utility model, a connection table is disposed around the inner side of the upper end of the outer casing, a plurality of through pull-out holes are formed on the connection table, and a plurality of inner connection grooves are disposed on the inner side surface of the connection table.
In some embodiments of the utility model, the upper end of the connecting table is further provided with a reinforcing rib.
In some embodiments of the present utility model, an arc sealing groove is provided at the bottom of the connection platform, and the arc sealing groove is sealed by matching with an arc sealing rib formed at the bottom of the soft adhesive layer.
In some embodiments of the utility model, two sets of symmetrical guide grooves are arranged on the inner side of the bottom of the connecting table.
In some embodiments of the present utility model, buckling platforms are respectively arranged at two outer ends of the outer shell.
In some embodiments of the present utility model, the pressing plate is provided with pre-pressing locking claws with folding angles at two sides, and the pre-pressing locking claws are inserted into the guide grooves to connect the pressing plate with the outer housing.
In some embodiments of the utility model, the central region of the platen is provided with a wire outlet.
Compared with the prior art, the utility model has the following advantages:
According to the micro-switch wire harness structure, the active devices inside the outer shell are filled with glue and sealed, glue is filled at high temperature to be solidified, and then secondary injection molding is performed, so that protection is guaranteed, appearance consistency is considered, sealing protection performance is greatly improved, and compared with an existing mechanical assembly mode, the micro-switch wire harness structure is compact and reasonable in integral structure, meanwhile, technological difficulty is reduced, production period is shortened, and cost is reduced.
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 will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an explosion structure of a micro-switch wire harness structure according to the present utility model;
FIG. 2 is a sectional view of a microswitch harness configuration of the present utility model;
FIG. 3 is a schematic structural view of an outer shell equipped with a soft gel layer;
FIG. 4 is a schematic structural view of the outer housing;
FIG. 5 is a bottom view of the outer housing;
FIG. 6 is a schematic structural view of a platen;
FIG. 7 is a side view of a platen;
Fig. 8 is a schematic structural view of a micro switch harness structure according to another embodiment;
Fig. 9 is a schematic structural view of a micro switch harness structure according to another embodiment.
Reference numerals illustrate:
1. an outer housing; 2. touching the switch; 3. a PCB assembly; 4. a pressing plate; 5. a potting adhesive layer; 6. a plastic coating layer; 7. a soft adhesive layer; 8. a wire harness; 9. wire clamping groove; 10. a buckling table; 11. a connection station; 12. pulling out the hole; 13. an inner connecting groove; 14. reinforcing ribs; 15. arc sealing ribs; 16. a guide groove; 17. pre-pressing the buckling claw; 18. and a wire outlet.
Detailed Description
In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings. It is apparent that the described embodiments are only some embodiments of the utility model, but not all embodiments, and that the preferred embodiments of the utility model are shown in the drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein, but rather is provided to provide a more thorough understanding of the present disclosure.
Referring to fig. 1-2, the micro-switch wire harness structure comprises an outer shell 1, a tact switch 2, a PCB assembly 3, a pressing plate 4, a potting adhesive layer 5, a plastic coating layer 6 and a soft adhesive layer 7; the tact switch 2 is fixed on the PCB assembly 3 through patch welding, the outer shell 1 is of a hollow structure with two open ends, and the tact switch 2 and the PCB assembly 3 are arranged in an inner cavity of the outer shell 1; the soft adhesive layer 7 is injection molded at the opening of the upper end of the outer shell 1, and the soft adhesive layer 7 covers the tact switch 2 and the front surface of the PCB assembly 3; the clamp plate 4 is followed the lower extreme opening of shell 1 is impressed and is held in the top the bottom surface of PCB subassembly 3 for provide the physics and support, the shaping is irritated to shell 1's lower extreme and clamp plate 4 outside has the pouring sealant layer 5 to seal, the pouring sealant layer 5 shaping back has the plastic coating 6 in the outside secondary injection molding, has both guaranteed the protection and has taken into account the outward appearance uniformity again, avoids the bad of pouring glue production, has promoted sealed effect.
Referring to fig. 3-5, a plurality of groups of arc-shaped wire clamping grooves 9 are formed in one side of the lower end of the outer shell 1, a wire harness 8 is inserted into the wire clamping grooves 9 and extends into the inner cavity of the outer shell 1, and the wire harness 8 passes through the pressing plate 4, is welded and fixed with the PCB assembly 3, and is coated by the potting adhesive layer 5 and the plastic coating layer 6.
The upper end inboard ring of shell body 1 is equipped with connection platform 11, a plurality of pull-out holes 12 that run through have been seted up on the connection platform 11, the medial surface of connection platform 11 is provided with a plurality of interior spread grooves 13, pull-out holes 12 and interior spread grooves 13 are used for provide the fulcrum of climbing the glue when soft glue layer 7 is moulded plastics, promote the cohesiveness of soft glue.
The upper end of the connecting table 11 is also provided with a reinforcing rib 14 for increasing strength and avoiding plastic deformation of the outer shell 1 when the soft rubber layer 7 is encapsulated.
The bottom of connection platform 11 is provided with the circular arc seal groove, is used for cooperating the fashioned circular arc seal muscle 15 in soft glue film 7 bottom seals, avoids the arc seal muscle unusual of moulding plastics, equipment dislocation.
Two groups of symmetrical guide grooves 16 are formed in the inner side of the bottom of the connecting table 11 and are used for guiding and installing the pressing plate 4.
The two ends of the outer side of the outer shell 1 are respectively provided with a buckling table 10 for providing a fulcrum when being connected and fixed with an external structure.
Referring to fig. 6-7, the two sides of the pressing plate 4 are provided with angled pre-pressing buckling claws 17, and the pre-pressing buckling claws 17 are inserted into the guiding grooves 16, so that the pressing plate 4 is connected with the outer shell 1 and provides guiding function.
An outlet 18 is formed in the middle area of the pressing plate 4 for the wire harness 8 to pass through.
As shown in fig. 8 or 9, in some other embodiments, the opening position or shape of the pressing plate 4 may be adaptively adjusted according to the connection manner of the wire harness 8, and accordingly, the shape of the potting adhesive layer 5 and/or the molding compound layer 6 formed by injection molding in the subsequent process may also be adaptively adjusted, which is not limited in the embodiment of the present utility model.
According to the micro-switch wire harness structure, the active devices in the outer shell 1 are subjected to glue filling and sealing, glue filling and high-temperature curing are performed firstly, and then secondary injection molding is performed, so that protection is guaranteed, appearance consistency is considered, sealing protection performance is greatly improved, and compared with an existing mechanical assembly mode, the micro-switch wire harness structure is compact and reasonable in integral structure, meanwhile, technological difficulty is reduced, production period is shortened, and cost is reduced.
What is not described in detail in this specification is prior art known to those skilled in the art. Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the present utility model may be modified or equivalents substituted for some of the features thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.
Claims (9)
1. A micro-switch harness structure, characterized by comprising: the touch switch comprises an outer shell (1), a touch switch (2), a PCB assembly (3), a pressing plate (4), a potting adhesive layer (5), a plastic coating layer (6) and a soft adhesive layer (7); the tact switch (2) is fixed on the PCB assembly (3) through a patch in a welding way, the outer shell (1) is of a hollow structure with two open ends, and the tact switch (2) and the PCB assembly (3) are arranged in an inner cavity of the outer shell (1); the soft adhesive layer (7) is formed at the upper end opening of the outer shell (1) in an injection molding mode, and the soft adhesive layer (7) covers the tact switch (2) and the front face of the PCB assembly (3); the pressing plate (4) is pressed in along the opening of the lower end of the outer shell (1) and is propped against the bottom surface of the PCB assembly (3), a pouring sealant layer (5) is formed at the lower end of the outer shell (1) and the outer side of the pressing plate (4) in a pouring mode to seal, and a plastic coating layer (6) is formed at the outer side of the pouring sealant layer (5) in a secondary injection mode after the pouring sealant layer is formed.
2. The micro-switch harness structure according to claim 1, characterized in that: the utility model discloses a PCB assembly, including outer shell (1), clamping groove (9) of multiunit arc is seted up to lower extreme one side of outer shell (1), pencil (8) are inserted clamping groove (9) and extend to in the inner chamber of outer shell (1), pencil (8) pass clamp plate (4) with PCB assembly (3) welded fastening to by pouring sealant layer (5) and plastic coating layer (6) cladding.
3. The micro-switch harness structure according to claim 1, characterized in that: the connecting table (11) is arranged on the inner side of the upper end of the outer shell (1) in a ring mode, a plurality of penetrating pull-out holes (12) are formed in the connecting table (11), and a plurality of inner connecting grooves (13) are formed in the inner side face of the connecting table (11).
4. The micro-switch harness structure according to claim 3, characterized in that: the upper end of the connecting table (11) is also provided with a reinforcing rib (14).
5. The micro-switch harness structure according to claim 3, characterized in that: the bottom of the connecting table (11) is provided with an arc sealing groove which is matched with an arc sealing rib (15) formed at the bottom of the soft rubber layer (7) for sealing.
6. The micro-switch harness structure according to claim 3, characterized in that: two groups of symmetrical guide grooves (16) are formed in the inner side of the bottom of the connecting table (11).
7. The micro-switch harness structure according to claim 1, characterized in that: buckling tables (10) are respectively arranged at two ends of the outer side of the outer shell (1).
8. The micro-switch harness structure according to claim 6, wherein: the two sides of the pressing plate (4) are provided with pre-pressing buckling claws (17) with folding angles, and the pre-pressing buckling claws (17) are inserted into the guide grooves (16) to enable the pressing plate (4) to be connected with the outer shell (1).
9. The micro-switch harness structure according to claim 1, characterized in that: and an outlet (18) is formed in the middle area of the pressing plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322957656.XU CN221090723U (en) | 2023-10-31 | 2023-10-31 | Micro-gap switch pencil structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322957656.XU CN221090723U (en) | 2023-10-31 | 2023-10-31 | Micro-gap switch pencil structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221090723U true CN221090723U (en) | 2024-06-07 |
Family
ID=91301740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322957656.XU Active CN221090723U (en) | 2023-10-31 | 2023-10-31 | Micro-gap switch pencil structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221090723U (en) |
-
2023
- 2023-10-31 CN CN202322957656.XU patent/CN221090723U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |