Static conductive structure of key

Abstract

The utility model discloses a static conductive structure of a button, the static conductive structure is arranged in the button, the button comprises an LENS panel, an LCD assembly, an inner shell, a knob assembly and a circuit board assembly, the LCD assembly is arranged at the inner end of the LENS panel, the inner shell is connected with the LENS panel, the inner shell moves towards or away from conductive rubber on the circuit board assembly when moving axially, and the circuit board assembly is arranged on the circuit board assembly. The knob assembly is connected with the LENS panel, and the knob assembly is arranged on the outer side of the inner shell; the static conductive structure comprises a conductive iron frame and a spring, the conductive iron frame is clamped between the LCD assembly and the inner shell, one end of the spring abuts against the conductive iron frame, and the other end of the spring abuts against the circuit board assembly. According to the utility model, the keys and the LCD screen are integrated, and the spring is grounded to protect the LCD, so that the LCD can be effectively prevented from being damaged by static electricity.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile interior electrical components, in particular to a static electricity conductive structure of a key. Background Art

[0002] In traditional vehicles, the buttons and LCD are not integrated together, which results in complex manufacturing process and high production cost.

[0003] In recent years, as customers continue to improve the intelligence and technology of parts, the integration of buttons and LCD screens has become the norm; however, the LCD screen has poor anti-static ability, and electrostatic tests often fail due to the LCD screen.

[0004] Therefore, in order to meet the new requirements of customers, our company has invested in the research and development of this type of structure. Summary of the invention

[0005] The utility model aims to provide a static electricity conductive structure of a key. The key of the utility model is integrated with an LCD screen, and a spring grounding is adopted to protect the LCD, thereby effectively preventing the LCD from being damaged by static electricity.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a static electricity conductive structure of a key, which is arranged in the key, and the key includes a LENS panel, an LCD assembly, an inner shell, a knob assembly and a circuit board assembly, the LCD assembly is arranged at the inner end of the LENS panel, the inner shell is connected to the LENS panel, and when the inner shell moves axially, it moves toward or away from the conductive rubber on the circuit board assembly, the knob assembly is connected to the LENS panel, and the knob assembly is arranged on the outside of the inner shell; the static electricity conductive structure includes a conductive iron frame and a spring, the conductive iron frame is clamped between the LCD assembly and the inner shell, one end of the spring is tightly pressed against the conductive iron frame, and the other end of the spring is tightly pressed against the circuit board assembly.

[0007] The utility model is further configured such that the conductive iron frame is provided with a positioning piece extending downward, the upper end of the spring is sleeved on the outer periphery of the positioning piece, the conductive rubber of the circuit board assembly is provided with a positioning groove, and the lower end of the spring is embedded in the positioning groove.

[0008] The utility model is further configured that the inner shell is provided with a guide channel which passes through from top to bottom, the inner diameter of the guide channel is equivalent to the outer diameter of the spring, and the spring is arranged in the guide channel.

[0009] The utility model is further configured that at least one anti-loosening barb portion is vertically arranged on the side of the positioning piece.

[0010] The utility model is further configured that a conical guide portion is provided at the lower end of the positioning piece.

[0011] The utility model is further configured that the conductive iron frame is in a hollow ring shape.

[0012] The utility model is further configured that the outer edge of the conductive iron frame is provided with a plurality of positioning plates extending upward, and the plurality of positioning plates are arranged closely against the outer periphery of the LCD assembly.

[0013] The utility model is further configured that the outer edge of the conductive iron frame is also provided with a plurality of locking springs extending upwards, and the locking springs are provided with V-shaped locking parts extending inwards for pressing against the LCD assembly.

[0014] The utility model is further configured that the outer edge of the conductive iron frame is also provided with a plurality of limit plates, the cross-section of the limit plates is in a straight line shape or an L shape, and the inner shell is provided with a plurality of limit grooves for the corresponding limit plates to be embedded.

[0015] The utility model is further configured that the spring comprises a plurality of spring units arranged along the axial direction, the pitch from both ends of each spring unit to the center gradually increases, and the plurality of spring units are an integrated structure.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The buttons are integrated with the LCD screen, and a spring grounding structure is added. When static electricity is applied to the surface, the spring is used to conduct the ground to protect the LCD screen and prevent it from being damaged by static electricity.

[0018] 2. When the buttons are operated, the spring is compressed, which can balance the large buttons and prevent them from shaking and making abnormal noises.

[0019] 3. During operation, the button drives the LCD screen and the spring to move downward as a whole, pushing the guide rubber to achieve a functional feel.

[0020] 4. This solution can greatly improve the appearance quality of the product, significantly improve product quality, and significantly improve the qualified rate. It can be promoted on a platform and has great use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional diagram of the button of the utility model;

[0022] Figure 2 It is a cross-sectional view of the static conductive structure of the key of the utility model;

[0023] Figure 3 An exploded view of the utility model as a whole;

[0024] Figure 4 This is a schematic diagram of the structure of the conductive iron frame of the utility model;

[0025] Figure 5This is a schematic diagram of the matching structure of the conductive iron frame and the inner shell of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the spring of the utility model.

[0027] In the figure: 1. button; 2. LENS panel; 3. LCD assembly; 5. inner shell; 6. knob assembly; 7. circuit board assembly; 8. conductive rubber; 9. conductive iron frame; 10. spring; 11. positioning piece; 12. positioning groove; 13. guide channel; 14. anti-loosening hook part; 15. conical guide part; 16. positioning plate; 17. locking spring piece; 18. V-shaped locking part; 19. limit piece; 20. limit groove; 21. spring unit. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example: As shown in the attached Figures 1 to 6 The electrostatic conductive structure of a key is shown, which is arranged in a key 1. The key 1 includes a LENS panel 2, an LCD assembly 3, an inner shell 5, a knob assembly 6 and a circuit board assembly 7. The LCD assembly 3 is arranged at the inner end of the LENS panel 2. The LCD assembly 3 is electrically connected to the circuit board assembly 7 through a wire harness. The inner shell 5 is connected to the LENS panel 2. The two are connected by a snap fit. When the inner shell 5 moves axially, it moves toward or away from the conductive rubber 8 on the circuit board assembly 7. The knob assembly 6 is connected to the LENS panel 2. The panel 2 is connected, and the two are connected by snap-fitting, and the knob assembly 6 is arranged on the outside of the inner shell 5; the static electricity conduction structure includes a conductive iron frame 9 and a spring 10, and the conductive iron frame 9 is clamped between the LCD assembly 3 and the inner shell 5, and the conductive iron frame 9 supports the LCD assembly 3. One end of the spring 10 is tightly pressed against the conductive iron frame 9, and the other end of the spring 10 is tightly pressed against the circuit board assembly 7. A structure for grounding the spring 10 is added. When static electricity is applied to the surface, the ground is conducted through the spring 10 to protect the LCD screen and prevent the LCD screen from being damaged by static electricity.

[0030] As attached Figure 2 and attached Figure 4As shown, the conductive iron frame 9 is provided with a positioning piece 11 extending downward, the upper end of the spring 10 is sleeved on the outer periphery of the positioning piece 11, the conductive rubber 8 of the circuit board assembly 7 is provided with a positioning groove 12, and the lower end of the spring 10 is embedded in the positioning groove 12. By positioning the two ends of the spring 10, the two ends of the spring 10 can be prevented from being offset during the expansion and contraction process, thereby ensuring the stability of the installation of the spring 10.

[0031] As attached Figure 2 As shown, the inner shell 5 is provided with a guide channel 13 which passes through from top to bottom, and the inner diameter of the guide channel 13 is equivalent to the outer diameter of the spring 10, and the spring 10 is arranged in the guide channel 13. The spring 10 is entirely confined in the guide channel 13, so that the spring 10 can always deform along the central axis direction, thereby improving its service life.

[0032] As attached Figure 4 As shown, at least one anti-loosening hook portion 14 is vertically arranged on the side of the positioning piece 11. The anti-loosening hook portion 14 is arranged to hook the spring 10, which is not only convenient for early installation, but also conducive to later disassembly and maintenance operations.

[0033] As attached Figure 4 As shown, a conical guide portion 15 is provided at the lower end of the positioning piece 11, which can guide the sleeve connection of the spring 10, making it easier to sleeve the spring 10 on the outer periphery of the positioning piece 11, thereby improving assembly efficiency.

[0034] As attached Figure 4 As shown, the conductive iron frame 9 is in a hollow ring shape, which is not only lighter in weight but also saves materials and reduces production costs.

[0035] As attached Figures 2 to 5 As shown, the outer edge of the conductive iron frame 9 is provided with a plurality of positioning plates 16 extending upward, and the plurality of positioning plates 16 are arranged close to the outer periphery of the LCD assembly 3, so as to position the LCD assembly 3 and confine it to the area surrounded by the positioning plates 16, thereby ensuring the stability of the installation structure of the LCD assembly 3.

[0036] As attached Figure 4 As shown, the outer edge of the conductive iron frame 9 is also provided with a plurality of locking springs 17 extending upward, and the locking springs 17 are provided with a V-shaped locking portion 18 extending inwardly for pressing against the LCD assembly 3. The V-shaped locking portion 18 presses against the LCD assembly 3, which can further improve the stability of the installation of the LCD assembly 3 and avoid the LCD assembly 3 shaking and producing abnormal noise during the formation process.

[0037] As attached Figure 4 and attached Figure 5As shown, the outer edge of the conductive iron frame 9 is also provided with a plurality of limit plates 19, the cross-section of the limit plates 19 is in a straight line shape or an L shape, and the inner shell 5 is provided with a plurality of limit grooves 20 for corresponding limit plates 19 to be embedded. This structure can circumferentially limit the conductive iron frame 9 to ensure the stability of the installation of the conductive iron frame 9.

[0038] As attached Figure 6 As shown, the spring 10 includes multiple sections of spring 10 units arranged axially, the pitch from both ends of each section of the spring 10 unit to the center gradually increases, and the multiple sections of the spring 10 units are an integrated structure. This design can effectively improve the fatigue resistance of the spring 10, thereby increasing its service life.

Claims

1. A static conductive structure of a key, arranged in a key (1), the key (1) comprising a LENS panel (2), an LCD assembly (3), an inner shell (5), a knob assembly (6) and a circuit board assembly (7), the LCD assembly (3) being arranged at the inner end of the LENS panel (2), the inner shell (5) being connected to the LENS panel (2), and moving toward or away from a conductive rubber (8) on the circuit board assembly (7) when the inner shell (5) moves axially, the knob assembly (6) being connected to the LENS panel (2), and being arranged on the outer side of the inner shell (5); characterized in that: The static electricity conductive structure comprises a conductive iron frame (9) and a spring (10); the conductive iron frame (9) is sandwiched between the LCD assembly (3) and the inner shell (5); one end of the spring (10) is tightly pressed against the conductive iron frame (9); and the other end of the spring (10) is tightly pressed against the circuit board assembly (7).

2. The static conductive structure of a key according to claim 1, characterized in that: The conductive iron frame (9) is provided with a positioning piece (11) extending downward, the upper end of the spring (10) is sleeved on the outer periphery of the positioning piece (11), the conductive rubber (8) of the circuit board assembly (7) is provided with a positioning groove (12), and the lower end of the spring (10) is embedded in the positioning groove (12).

3. The static conductive structure of a key according to claim 2, characterized in that: The inner shell (5) is provided with a guide channel (13) which passes through the inner shell (15) from top to bottom. The inner diameter of the guide channel (13) is equivalent to the outer diameter of the spring (10). The spring (10) is arranged in the guide channel (13).

4. The static conductive structure of a key according to claim 2, characterized in that: At least one anti-loosening barb portion (14) is vertically arranged on the side of the positioning piece (11).

5. The static conductive structure of a key according to claim 2, characterized in that: A conical guide portion (15) is provided at the lower end of the positioning piece (11).

6. The static conductive structure of a key according to claim 1, characterized in that: The conductive iron frame (9) is in a hollow ring shape.

7. The static conductive structure of a key according to claim 1, characterized in that: The outer edge of the conductive iron frame (9) is provided with a plurality of positioning plates (16) extending upward, and the plurality of positioning plates (16) are arranged in close contact with the outer periphery of the LCD assembly (3).

8. The static conductive structure of a key according to claim 7, characterized in that: The outer edge of the conductive iron frame (9) is also provided with a plurality of locking springs (17) extending upwards, and the locking springs (17) are provided with V-shaped locking portions (18) extending inwards for pressing against the LCD assembly (3).

9. The static conductive structure of a key according to claim 1, characterized in that: The outer edge of the conductive iron frame (9) is also provided with a plurality of limiting plates (19), the cross section of the limiting plates (19) being in a straight line shape or an L shape, and the inner shell (5) is provided with a plurality of limiting grooves (20) for corresponding limiting plates (19) to be embedded.

10. The static electricity conductive structure of a key according to claim 1, characterized in that: The spring (10) comprises a plurality of spring (10) units arranged along the axial direction, the pitch of each spring (10) unit gradually increases from both ends to the center, and the plurality of spring (10) units are an integrated structure.

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