Waterproof and light-transmitting key for positioning equipment

Abstract

The utility model discloses a waterproof and light-transmitting key for positioning equipment, and relates to the technical field of electric switches for positioning equipment. Comprising a face shell assembly, the face shell assembly is detachably connected with a bottom shell assembly through a connecting piece, and a waterproof and light-transmitting key assembly is arranged on the face shell assembly; the bottom shell assembly comprises a shell, an internal supporting support part used for supporting and sealing is arranged in the shell, a PCB installation groove is formed in the internal supporting support part, a PCB assembly capable of emitting light is arranged in the PCB installation groove, and the PCB assembly is connected with the key assembly. According to the utility model, the button assembly and the PCB assembly installed in the face shell assembly and the bottom shell assembly are rearranged, so that the structure is compact, the assembly process is simple, the light emitting effect is uniform and bright, and the first pass yield of waterproof assembly can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning equipment power switch technical field, especially positioning equipment with waterproof and light transmission button. BACKGROUND

[0002] The locator product has SOS button of user interaction, and the SOS button needs to be waterproof and light transmission; in order to reach the requirement of waterproof and light transmission, there are three kinds of current methods.

[0003] The first kind is to use the technology of two-color injection molding transparent soft glue (TPU) on the hard glue shell, and the two-color injection molding technology can firmly bond the hard glue shell and soft glue, realizes the function of waterproof, realizes the function of pressing through the characteristics of TPU soft glue material stretch deformation, realizes the function of light transmission through the light transmission characteristics of TPU soft glue.

[0004] The second kind is to use the technology of liquid injection on the hard glue shell, and the transparent silica gel is bonded, realizes waterproof, light transmission and pressing function through the material characteristics of silica gel.

[0005] The third kind is to use the way of disassembly to manufacture, specifically disassembles into three or four parts: shell, light transmission part, transparent silica gel sealing part and decoration part. The transparent silica gel and the shell are waterproofed by point silica gel, and the silica gel and the light transmission part are used to realize light transmission.

[0006] However, the above three kinds of ways have the following shortcomings: first, the light transmission uniformity is uncertain, no matter TPU plus light transmission part or silica gel plus light transmission part, the light emitted by LED lamp is lost after passing through the two materials, and the light presented is uneven; second, the waterproof yield is relatively low, no matter two-color injection molding process, liquid silica gel process or point glue, the waterproof yield and straight-through rate of semi-finished product is 95%-98%, and even batches of defective products may appear; third, the manufacturing process and assembly process are complex, and the cost is high.

[0007] Therefore, a positioning equipment button with waterproof and light transmission is needed, which is not only compact in structure and simple in assembly process, but also can make the light emission uniform and bright, and can effectively improve the straight-through rate of waterproof assembly. UTILITY MODEL CONTENTS

[0008] The utility model aims at providing a positioning equipment button with waterproof and light transmission to solve the problems in the prior art.

[0009] In order to achieve the above object, the utility model provides a kind of waterproof and light-transmitting key for positioning equipment, including face shell assembly, the face shell assembly is detachably connected with bottom shell assembly by connecting piece, waterproof and light-transmitting key assembly is provided on the face shell assembly;The bottom shell assembly includes shell body, internal support bracket is provided in the shell body for supporting and sealing, PCB installation slot is opened in the internal support bracket, the PCB installation slot is provided with the PCB component that can emit light, the PCB component is connected with the key assembly.

[0010] Preferably, the face shell assembly includes a face shell, a key hole is opened in the face shell, a decorative sheet is provided in the key hole, one end of the decorative sheet towards the bottom shell assembly is connected with a key light-transmitting piece by a first double-sided adhesive.

[0011] Preferably, the key light-transmitting piece includes a circular plate with an outer ring protrusion, the circular plate with an outer ring protrusion is made of light-transmitting material, cantilever beams are symmetrically and fixedly connected around the circular plate with an outer ring protrusion, and the cantilever beams are connected with the face shell through hot melt columns.

[0012] Preferably, the key assembly includes a light guide sheet provided at one end of the key light-transmitting piece away from the first double-sided adhesive, an isolation sheet is installed at one end of the light guide sheet away from the key light-transmitting piece, and a second double-sided adhesive is provided at one end of the isolation sheet away from the light guide sheet.

[0013] Preferably, a contact is installed at the center of one end of the light guide sheet towards the circular plate with an outer ring protrusion, a plurality of light reflection points are provided around the contact, and the light reflection points are opened in the light guide sheet.

[0014] Preferably, the PCB component includes a PCB panel, a pot sheet is provided at the center of one end of the PCB panel towards the isolation sheet, the pot sheet penetrates the second double-sided adhesive, the isolation sheet and the contact in sequence and abuts, side LED lamps are symmetrically provided at both sides of the pot sheet, the side LED lamps are installed on the PCB panel, and the PCB panel is connected with the isolation sheet through the second double-sided adhesive.

[0015] Preferably, an avoidance position for avoiding the side LED lamps is opened in the isolation sheet and the second double-sided adhesive, respectively.

[0016] Preferably, an FPC via hole is opened in the PCB installation slot.

[0017] Preferably, a ZIF connector is provided at one end of the PCB panel away from the isolation sheet, the ZIF connector is arranged in the FPC via hole, and the PCB panel is connected with the PCB installation slot through a third double-sided adhesive.

[0018] Preferably, the connecting piece comprises a plurality of buckling positions, which are fixedly connected to one end of the face shell towards the bottom shell assembly, and the buckling positions are detachably connected with buckling grooves, which are arranged on the internal support bracket.

[0019] The utility model discloses the following technical effects:

[0020] The utility model discloses through the re -layout of the button assembly and the PCB assembly of the face shell assembly and the bottom shell assembly inside installation, not only compact structure and assembly process are simple, can also make the even and bright light -emitting effect, can also effectively improve the straight -through rate of assembly waterproof simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment or prior art of the utility model, the following will briefly introduce the drawing needed in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0022] Figure 1 It is the whole decomposition structure schematic view of the utility model;

[0023] Figure 2 It is the section structure schematic view of the utility model;

[0024] Figure 3 It is the face shell internal structure schematic view of the utility model;

[0025] Figure 4 It is the face shell external structure schematic view of the utility model;

[0026] Figure 5 It is the connector installation position structure schematic view of the utility model;

[0027] Among them, 001, face shell;002, button light -transmitting piece;003, first double -sided adhesive;004, decorative sheet;005, light guide sheet;006, isolation sheet;007, second double -sided adhesive;008, pot piece;009, PCB panel;010, side LED lamp;011, third double -sided adhesive;012, ZIF connector;013, internal support bracket;014, button hole;015, hot melt column;016, round plate with outer ring protrusion;017, cantilever beam;018, reflective point;019, contact;021, three -proof paint;022, buckling position;023, PCB installation groove;024, FPC via hole;100, face shell assembly;200, button assembly;300, PCB assembly. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be apparently 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 the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0030] Embodiment one

[0031] With reference to Figures 1 to 5 The utility model discloses a waterproof and light-transmitting key for positioning equipment, which comprises a face shell assembly 100, the face shell assembly 100 is detachably connected with a bottom shell assembly through a connecting piece, and a waterproof and light-transmitting key assembly 200 is arranged on the face shell assembly 100; the bottom shell assembly comprises a shell body, an internal support bracket 013 for supporting and sealing is arranged in the shell body, a PCB mounting groove 023 is formed in the internal support bracket 013, a PCB assembly 300 capable of emitting light is arranged in the PCB mounting groove 023, and the PCB assembly 300 is connected with the key assembly 200.

[0032] The internal support bracket 013 is connected with the shell body through waterproof sealing glue.

[0033] The internal support bracket 013 is an internal component, and the material of the internal support bracket 013 is plastic material, so that the internal support bracket 013 can play the roles of supporting and sealing.

[0034] Other components of the positioning equipment are installed in the shell body, and the internal support bracket 013 covers the other components of the positioning equipment, thereby effectively improving the waterproof performance of the other components of the positioning equipment.

[0035] The utility model rearranges the key assembly and the PCB assembly installed in the face shell assembly 100 and the bottom shell assembly, which not only has compact structure and simple assembly process, but also can make the light-emitting effect uniform and bright, and can effectively improve the straight-through rate of waterproof assembly.

[0036] Further optimization scheme, the face shell assembly 100 includes a face shell 001, the face shell 001 is provided with a key hole 014, the key hole 014 is provided with a decorative sheet 004, the decorative sheet 004 is connected with a key light-transmitting piece 002 through the first double-sided adhesive tape 003 at one end towards the bottom shell assembly. By installing the decorative sheet 004 in the key hole 014, it is convenient to press the decorative sheet 004. The decorative sheet 004 is made of non-transparent plastic.

[0037] Further optimization scheme, the key light-transmitting piece 002 includes a circular plate 016 with an outer ring protrusion, the circular plate 016 with an outer ring protrusion is made of light-transmitting material, and the circular plate 016 with an outer ring protrusion is symmetrically and fixedly connected with a cantilever beam 017 in the circumferential direction, and the cantilever beam 017 is connected with the face shell 001 through a hot melt column 015.

[0038] The materials of the circular plate 016 with an outer ring protrusion and the cantilever beam 017 are translucent white plastic, and when the translucent white plastic is made, light scattering powder is added to the material to make the circular plate 016 with an outer ring protrusion and the cantilever beam 017 achieve the purpose of uniform light.

[0039] The cantilever beam 017 is installed on the face shell 001 through the hot melt column 015, so that the decorative sheet 004 can be installed in the circular plate 016 with an outer ring protrusion through the first double-sided adhesive tape 003.

[0040] Further optimization scheme, the key assembly 200 includes a light guide sheet 005 arranged at one end of the key light-transmitting piece 002 away from the first double-sided adhesive tape 003, the light guide sheet 005 is provided with an isolation sheet 006 at one end away from the key light-transmitting piece 002, and the isolation sheet 006 is provided with a second double-sided adhesive tape 007 at one end away from the light guide sheet 005.

[0041] The light guide sheet 005 can provide the function of light guide.

[0042] Further optimization scheme, the light guide sheet 005 is provided with a contact 019 at the center of one end towards the circular plate 016 with an outer ring protrusion, a plurality of light reflection points 018 are arranged around the contact 019, and the light reflection points 018 are arranged on the light guide sheet 005.

[0043] The plurality of light reflection points 018 are made of laser process, and the contact 019 is made of UV process.

[0044] Further optimization scheme, the PCB assembly 300 includes a PCB panel 009, the PCB panel 009 is provided with a pot sheet 008 at the center of one end towards the isolation sheet 006, the pot sheet 008 abuts the contact 019 in sequence through the second double-sided adhesive tape 007, the isolation sheet 006 and the contact 019, and the side LED lamp 010 is symmetrically arranged on both sides of the pot sheet 008, the side LED lamp 010 is installed on the PCB panel 009, and the PCB panel 009 is connected with the isolation sheet 006 through the second double-sided adhesive tape 007.

[0045] The pot piece 008 can provide elasticity and conduction functions, and facilitate the control of the remaining closing of the side LED lamp 010.

[0046] In order to improve the waterproof and corrosion resistance of the side LED lamp 010, the side LED lamp 010 is coated with a three-proof paint 021, which has the functions of waterproof and corrosion resistance.

[0047] Further optimization scheme, isolation sheet 006 and second double-sided adhesive 007 are respectively provided with an avoidance position for avoiding the side LED lamp 010. The light guide interface of the light guide sheet 005 is aligned with the side LED lamp 010, and the light of the side LED lamp 010 can effectively irradiate on the light guide sheet 005 through the avoidance position.

[0048] Further optimization scheme, the FPC via hole 024 is arranged in the PCB mounting groove 023.

[0049] Further optimization scheme, the ZIF connector 012 is arranged at the end of the PCB panel 009 away from the isolation sheet 006, the ZIF connector 012 is arranged in the FPC via hole 024, and the PCB panel 009 is connected with the PCB mounting groove 023 through the third double-sided adhesive 011.

[0050] By arranging the ZIF connector 012 in the FPC via hole 024, the waterproof performance of the ZIF connector 012 can be effectively improved, and the installation of the flexible flat cable is facilitated.

[0051] Further optimization scheme, the connecting piece includes a plurality of buckling positions 022, the buckling positions 022 are fixedly connected to the end of the face shell 001 facing the bottom shell assembly, and the buckling positions 022 are detachably connected with buckling grooves arranged on the internal support bracket 013.

[0052] Through the buckling position 022 and the buckling groove, the face shell 001 can be effectively installed on the internal support bracket 013.

[0053] Assembly process: first, the decorative sheet 004 is pasted on the round plate 016 with an outer ring protrusion through the first double-sided adhesive 003, and then the cantilever beam 017 is installed on the face shell 001 through the hot melting of the hot melting column 015; the PCB panel 009 is installed in the PCB mounting groove 023 through the third double-sided adhesive 011, and the ZIF connector 012 is installed in the FPC via hole 024; then, the isolation sheet 006 is connected with the PCB panel 009 through the second double-sided adhesive 007, and the light guide interface of the light guide sheet 005 is aligned with the side LED lamp 010, and the light guide sheet 005 is installed in the PCB mounting groove 023; finally, the face shell 001 can be effectively installed on the internal support bracket 013 through the buckling position 022 and the buckling groove, and the assembly is completed after buckling.

[0054] Waterproof principle description: the utility model discloses from outside to inside three seals.

[0055] The outermost layer, PCB panel 009 adopts the second double-sided adhesive tape 007 of isolation sheet 006 self-sealing, and the second double-sided adhesive tape 007 is bonded to isolate PCB panel 009 from the outside, preventing liquid from entering the internal area of PCB panel 009.

[0056] The middle layer, the side LED lamp 010 on both sides of PCB panel 009 is coated with three-proof paint 021, preventing liquid corrosion of side LED lamp 010 elements.

[0057] The innermost layer is sealed by the third double-sided adhesive tape 011, and the third double-sided adhesive tape 011 is bonded in the PCB mounting groove 023, so that the internal support bracket 013 is isolated from the outside, achieving the purpose of waterproof.

[0058] Light guide principle description: when the side LED lamp 010 emits light, the light propagates inside the light guide sheet 005, and the light guide sheet 005 is provided with a reflecting point 018, which can reflect or diffuse the light, achieving the purpose of increasing brightness; at the same time, the circular plate 016 with outer ring protrusion and the cantilever beam 017 are made of translucent white plastic, and the translucent white plastic is added with light scattering powder during manufacturing, so that the circular plate 016 with outer ring protrusion and the cantilever beam 017 can achieve the purpose of uniform light.

[0059] Embodiment two

[0060] In the case of no limitation on thickness size and power consumption, the side LED lamp 010 can be replaced by a positive light emitting LED lamp, more LED lamps can be placed to make the light uniform and bright. The light emitting area can be local or whole.

[0061] The key shape can be rectangular or other shapes.

[0062] The utility model not only has compact structure, but also can make the thickness thin; also can make the appearance light emitting effect uniform and bright; at the same time, the assembly waterproof direct through rate is high, and the assembly waterproof direct through rate can reach 100%.

[0063] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, structure and operation, so it cannot be understood as a limitation on the utility model.

[0064] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application. Various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the scope of protection of the present application as defined by the claims.

Claims

1. A waterproof and light-transmitting button for a positioning device, characterized in that: The application relates to a waterproof and light-transmitting key assembly (200) provided on a face shell assembly (100) which is detachably connected with a bottom shell assembly through a connecting piece. The bottom shell assembly comprises a shell body, an internal support support piece (013) for supporting and sealing is arranged in the shell body, a PCB mounting groove (023) is formed in the internal support support piece (013), and a PCB assembly (300) capable of emitting light is arranged in the PCB mounting groove (023) and connected with the key assembly (200).

2. The waterproof and light-transmissive key for a positioning apparatus according to claim 1, characterized by: The face shell assembly (100) comprises a face shell (001), a key hole (014) is formed in the face shell (001), a decorative sheet (004) is arranged in the key hole (014), and a key light-transmitting piece (002) is connected with one end of the decorative sheet (004) facing the bottom shell assembly through a first double-sided adhesive tape (003).

3. The waterproof and light-transmissive key for a positioning apparatus according to claim 2, wherein: The key light-transmitting piece (002) comprises a circular plate (016) with an outer ring protrusion, the circular plate (016) is made of light-transmitting material, cantilever beams (017) are symmetrically and fixedly connected around the circular plate (016), and the cantilever beams (017) are connected with the face shell (001) through hot melt columns (015).

4. The waterproof and light-transmissive key for a positioning apparatus according to claim 3, wherein: The key assembly (200) comprises a light guide sheet (005) arranged at one end of the key light-transmitting piece (002) away from the first double-sided adhesive tape (003), an isolation sheet (006) is arranged at one end of the light guide sheet (005) away from the key light-transmitting piece (002), and a second double-sided adhesive tape (007) is arranged at one end of the isolation sheet (006) away from the light guide sheet (005).

5. The waterproof and light-transmissive key for a positioning apparatus according to claim 4, characterized by: A contact (019) is arranged at the center of one end of the light guide sheet (005) facing the circular plate (016) with the outer ring protrusion, a plurality of light reflection points (018) are arranged around the contact (019), and the light reflection points (018) are formed in the light guide sheet (005).

6. The waterproof and light-transmissive key for a positioning apparatus according to claim 5, wherein: The PCB assembly (300) comprises a PCB panel (009), a pot sheet (008) is arranged at the center of one end of the PCB panel (009) facing the isolation sheet (006), the pot sheet (008) penetrates the second double-sided adhesive tape (007), the isolation sheet (006) and the contact (019) in sequence, side LED lamps (010) are symmetrically arranged on both sides of the pot sheet (008), the side LED lamps (010) are arranged on the PCB panel (009), and the PCB panel (009) is connected with the isolation sheet (006) through the second double-sided adhesive tape (007).

7. The waterproof and light-transmissive key for a positioning apparatus according to claim 6, wherein: Avoidance positions for avoiding the side LED lamps (010) are formed in the isolation sheet (006) and the second double-sided adhesive tape (007) respectively.

8. The waterproof and light-transmissive key for a positioning apparatus according to claim 6, wherein: An FPC via hole (024) is formed in the PCB mounting groove (023).

9. The waterproof and light-transmissive key for a positioning apparatus according to claim 8, characterized by: The PCB panel (009) is provided with a ZIF connector (012) at one end away from the isolation sheet (006), the ZIF connector (012) is arranged in the FPC via hole (024), and the PCB panel (009) is connected with the PCB mounting groove (023) through a third double-sided adhesive (011).

10. The waterproof and light-transmissive key for a positioning apparatus according to claim 2, wherein: The connecting piece comprises a plurality of buckling positions (022), which are fixedly connected to one end of the face shell (001) facing the bottom shell assembly, and the buckling position (022) is detachably connected with a buckling groove, and the buckling groove is arranged on the inner support support piece (013).

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