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CN-224233073-U - Grounding structure and electric appliance

CN224233073UCN 224233073 UCN224233073 UCN 224233073UCN-224233073-U

Abstract

The utility model relates to a grounding structure and an electric appliance, and belongs to the field of electric appliances. The grounding structure comprises a shell component, a display screen component, a conductive piece and a circuit board component, wherein the shell component is provided with a containing cavity and a containing hole, the display screen component is arranged on the shell component and located in the containing cavity, one surface of the conductive piece is arranged on the display screen component, the conductive piece is located in the containing hole, the circuit board component is arranged on the shell component and located in the containing cavity, and the circuit board component is abutted against the other surface of the conductive piece. The structure directly realizes grounding through the conductive piece, reduces the investment of materials and procedures, and obviously reduces the production cost. Meanwhile, the structure changes the grounding mode of the contact pin or the spring contact pin, the conductive piece is soft in texture and easy to compress, the limit on the height of a product is broken through, and the overall thickness of the electric appliance is greatly reduced.

Inventors

  • LEI KAI
  • WANG QIANG

Assignees

  • 广东尚研电子科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250527

Claims (10)

  1. 1. A grounding structure, characterized in that the grounding structure comprises: A housing assembly (1), the housing assembly (1) being provided with a receiving cavity (101) and a mounting hole (102); A display screen assembly (2), the display screen assembly (2) being arranged on the housing assembly (1) and being located in the accommodation cavity (101); The conductive piece (3), one surface of the conductive piece (3) is arranged on the display screen assembly (2), and the conductive piece (3) is positioned in the placement hole (102); The circuit board assembly (4) is arranged on the shell assembly (1) and is located in the accommodating cavity (101), and the circuit board assembly (4) abuts against the other surface of the conductive piece (3).
  2. 2. The grounding structure according to claim 1, wherein the number of the conductive members (3) is plural, the number of the placement holes (102) is plural, the plurality of the conductive members (3) are in one-to-one fit with the plurality of the placement holes (102), and the plurality of the conductive members (3) are sandwiched between the display screen assembly (2) and the circuit board assembly (4).
  3. 3. The grounding structure according to claim 1, characterized in that the display screen assembly (2) comprises a display portion (21) and a grounding portion (22), the grounding portion (22) is arranged on the display portion (21), the display portion (21) and the grounding portion (22) are both arranged on the housing assembly (1), the grounding portion (22) is located in the accommodating cavity (101), and one surface of the conductive member (3) is arranged on the grounding portion (22).
  4. 4. The grounding structure according to claim 1, characterized in that the conductive member (3) comprises a first contact surface (31) and a second contact surface (32), the first contact surface (31) being arranged opposite to the second contact surface (32), the first contact surface (31) being arranged on the display screen assembly (2), the second contact surface (32) being in abutment with the circuit board assembly (4).
  5. 5. The grounding structure according to claim 1, characterized in that the housing assembly (1) comprises a front shell (11) and a rear cover (12), the rear cover (12) is arranged on the front shell (11) and encloses to form the accommodating cavity (101), the display screen assembly (2) and the circuit board assembly (4) are both arranged on the front shell (11), and the rear cover (12) abuts against the circuit board assembly (4).
  6. 6. The grounding structure according to claim 5, wherein the front case (11) includes a front cover body (111), a partition plate (112) and connection posts (113), the partition plate (112) is provided on the front cover body (111), the number of the connection posts (113) is plural, the connection posts (113) are provided on the partition plate (112), the rear cover (12) is provided on the connection posts (113), the display screen assembly (2) is provided on the front cover body (111), the partition plate (112) is provided between the display screen assembly (2) and the circuit board assembly (4), and the partition plate (112) is provided with the placement hole (102).
  7. 7. The grounding structure according to claim 5, wherein the rear cover (12) comprises a rear cover body (121) and top blocks (122), the rear cover body (121) is arranged on the front shell (11), the number of the top blocks (122) is plural, the top blocks (122) are arranged on the rear cover body (121), and the top blocks (122) are abutted against the circuit board assembly (4).
  8. 8. The grounding structure according to claim 6, characterized in that the front cover body (111), the partition plate (112) and the connecting column (113) are integrally formed.
  9. 9. The grounding structure according to claim 1, wherein the circuit board assembly (4) is provided with a plurality of notches (401), the housing assembly (1) is provided with connecting posts (113), the connecting posts (113) are provided in a plurality, and the plurality of notches (401) and the plurality of connecting posts (113) are in one-to-one correspondence.
  10. 10. An electric appliance is characterized in that, the electric appliance comprises: The grounding structure of any one of claims 1 to 9; the electric appliance body, the grounding structure sets up on the electric appliance body.

Description

Grounding structure and electric appliance Technical Field The utility model relates to the field of electric appliances, in particular to a grounding structure and an electric appliance. Background Currently, the display screens of many appliances on the market are usually equipped with a metal casing. In order to avoid the static accumulation of the shell or the potential safety hazard and performance interference caused by contacting with charged objects, thicker insulating paint is often coated on the surface of the metal shell, but the processing mode causes complicated production process and obviously increased cost. In addition, the traditional grounding scheme often uses the contact pin or the spring contact pin to realize the grounding function, however, the method has strict requirements on the height of the product, severely restricts the light and thin design of the product, and in the manufacturing link of the circuit board, the contact pin or the spring contact pin is installed through a plurality of complex procedures, so that the production cost is increased, higher production reject ratio is easy to generate, and the requirements of modern electronic products on efficient production and compact structures are difficult to meet. Disclosure of utility model Based on this, it is necessary to provide a grounding structure and an electric appliance for the problem that the grounding structure of the electric appliance is not good. The grounding structure comprises a shell component, a display screen component, a conductive piece and a circuit board component, wherein the shell component is provided with a containing cavity and a containing hole, the display screen component is arranged on the shell component and located in the containing cavity, one surface of the conductive piece is arranged on the display screen component, the conductive piece is located in the containing hole, and the circuit board component is arranged on the shell component and located in the containing cavity and is abutted against the other surface of the conductive piece. The above discloses a grounding structure for an electrical appliance. Compared with the traditional scheme, the grounding structure establishes the grounding connection between the display screen assembly and the circuit board assembly through the conductive piece, so that various defects are effectively avoided. Firstly, the complex process of coating insulating paint on the metal shell of the display screen is abandoned, the grounding is directly realized through the conductive piece, the investment of materials and procedures is reduced, and the production cost is obviously reduced. Secondly, the grounding mode of the contact pin or the spring contact pin is changed, the conductive piece is soft in texture and easy to compress, the limit on the height of the product is broken through, the whole thickness of the electric appliance is greatly reduced, the possibility is provided for the light and thin design of the product, and the requirement of modern electronic products on small and exquisite portability is met. In addition, the application of the conductive piece simplifies the manufacturing flow of the circuit board, reduces complex procedures caused by the installation of the contact pin and the spring contact pin, reduces the production difficulty, reduces the reject ratio in the production process, and improves the production efficiency and the product quality stability. Meanwhile, the simple and efficient grounding mode ensures that the electric appliance is more convenient and faster in the assembly process, shortens the production period, and further improves the production benefit and market competitiveness of enterprises. In one embodiment, the number of the conductive members is plural, the number of the placement holes is plural, the plurality of the conductive members are in one-to-one fit with the plurality of placement holes, and the plurality of the conductive members are sandwiched between the display screen assembly and the circuit board assembly. Through with a plurality of electrically conductive pieces and locating hole one-to-one and clamp locate between display screen subassembly and the circuit board subassembly, dispersed the contact pressure between each part, avoid the single point atress too big contact failure or the structural damage that lead to, make the connection between display screen subassembly, electrically conductive piece and the circuit board subassembly firm more reliable, when the product receives external force effects such as vibrations, extrusion, still can maintain stable ground connection state. Meanwhile, the plurality of conductive pieces increase the conductive paths of the grounding, reduce the overall grounding resistance, improve the efficiency of static electricity discharge and current conduction, guide static electricity or abnormal current generated by the display screen assembly to the grou