CN-224217397-U - Key assembly and electronic equipment

CN224217397UCN 224217397 UCN224217397 UCN 224217397UCN-224217397-U

Abstract

The application discloses a key assembly and electronic equipment. The key assembly is provided with a key board, an elastic piece and a key cap, wherein the key board, the elastic piece and the key cap are mutually perpendicular in a first direction, the key board, the elastic piece and the key cap are sequentially stacked in the first direction, the key board is provided with a switch element, the elastic piece comprises a base body, a first elastic support body and at least one second elastic support body, the first elastic support body and the second elastic support body are arranged on one side of the base body, which is close to the key cap, the first elastic support body and the second elastic support body are arranged at intervals in the second direction and are used for respectively supporting the key cap and simultaneously providing resilience force for the key cap, the projection of the first elastic support body in the first direction falls on the switch element, and the first elastic support body is arranged to move downwards in the first direction and trigger the switch element when the key cap is subjected to external pressing force.

Inventors

Huang Mingmi
YUAN KEXIN
DUAN WUCHAO

Assignees

海能达通信股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250522

Claims (15)

1. The key assembly is characterized by comprising a key board, an elastic piece and a key cap which are sequentially stacked along the first direction, wherein the key board is provided with a first direction and a second direction which are perpendicular to each other; The key board is provided with a switch element, the elastic piece comprises a base body, a first elastic support body and at least one second elastic support body, the first elastic support body and the second elastic support body are arranged on one side, close to the key cap, of the base body, the first elastic support body and the second elastic support body are arranged at intervals along the second direction and used for respectively supporting the key cap and simultaneously providing resilience force for the key cap, the projection of the first elastic support body along the first direction falls on the switch element, and the first elastic support body is arranged to move downwards along the first direction and trigger the switch element when the key cap is subjected to external pressing force.
2. The key assembly of claim 1, wherein the switching element is capable of providing a paragraph feel to the key assembly; When the downward travel of the first elastic support body and the downward travel of the second elastic support body along the first direction are the same, the resilience force provided by the first elastic support body is smaller than the resilience force provided by the second elastic support body.
3. The key assembly of claim 2, wherein the first resilient support body comprises a first support block and a first spring wall, the first spring wall surrounding the first support block and connecting the first support block to the base, the first support block for supporting the key cap, the first spring wall for providing the resilient force; The second elastic supporting body comprises a second supporting block and a second elastic wall, the second elastic wall surrounds the second supporting block and connects the second supporting block to the base body, the second supporting block is used for supporting the key cap, and the second elastic wall is used for providing the resilience force; And/or the first elastic wall and the second elastic wall are made of silica gel, and the hardness of the silica gel used for forming the first elastic wall is smaller than that of the silica gel used for forming the second elastic wall.
4. The key assembly of claim 2, wherein the first resilient support body comprises a first support block and a first spring wall, the first spring wall surrounding the first support block and connecting the first support block to the base, the first support block for supporting the key cap, the first spring wall for providing the resilient force; The second elastic supporting body comprises a second supporting block and a second elastic wall, the second elastic wall surrounds the second supporting block and connects the second supporting block to the base body, the second supporting block is used for supporting the key cap, and the second elastic wall is used for providing the resilience force; The key board comprises a first elastic wall, a second elastic wall, a key board and a key board, wherein a first included angle is formed between a first reference line passing through two ends of an inner contour line of the first elastic wall and the main surface of the key board on a reference section passing through the central axis of the first elastic wall, a second included angle is formed between a second reference line passing through two ends of the inner contour line of the second elastic wall and the main surface of the key board on one side of the central axis of the second elastic wall on the reference section passing through the central axis of the second elastic wall, and the first included angle is smaller than the second included angle.
5. The key assembly according to claim 4, wherein the first elastic wall is provided in a flat plate shape parallel to a main surface of the key sheet when the key cap is not subjected to an external pressing force, and the second elastic wall is provided in a tapered cylindrical shape in a direction from the base body to the second supporting block.
6. The key assembly of claim 5, wherein the second spring wall is arranged in an arc shape in a reference section passing through a central axis of the second spring wall.
7. The key assembly according to claim 1, wherein the elastic member abuts the key pad via the base body and abuts the key cap via the first elastic support body and the second elastic support body; The first elastic support body covers the first opening and protrudes towards one side close to the key cap so as to form a first deformation cavity at one side away from the key cap, and the second elastic support body covers the corresponding second opening and protrudes towards one side close to the key cap so as to form a second deformation cavity at one side away from the key cap; The substrate between the first opening and the second opening is provided with a communication port, and the communication port is used for communicating the first deformation cavity and the second deformation cavity.
8. The key assembly of claim 1, wherein the key cap forms a preload to the first elastic support body when the key cap is not subjected to an external pressing force, and wherein the second elastic support body has a preload degree smaller than that of the first elastic support body.
9. The key assembly of claim 1, further comprising a third direction, the third direction being perpendicular to the first direction and the second direction, a dimension of the key assembly along the second direction being greater than a dimension of the key assembly along the third direction; In the second direction, the first elastic support body is closer to the middle of the key assembly than the second elastic support body.
10. The key assembly according to claim 9, wherein the number of the second elastic supporting bodies is two, the two second elastic supporting bodies are arranged at intervals along the second direction, and the first elastic supporting body is arranged between the two second elastic supporting bodies.
11. The key assembly of claim 10, wherein a ratio of a length of a longest line between two of the second elastic supports to a length of the key cap in the second direction is between 0.6-1.
12. An electronic device, comprising a housing and a first key assembly, wherein the first key assembly is a key assembly according to any one of claims 1 to 11, a mounting groove is formed in the housing, and the first key assembly is disposed in the mounting groove.
13. The electronic device of claim 12, wherein the electronic device further comprises a circuit board; The shell encloses and establishes and form the installation space, the circuit board set up in the installation space, the mounting groove for set up in blind groove on the lateral wall of shell, switch element through set up in the via hole of blind groove bottom with the circuit board electricity is connected.
14. The electronic device of claim 13, further comprising a key cover disposed at an open end of the mounting slot, the key cover having a third opening disposed thereon; The button cap is including pressing main part and spacing portion, press the main part including relative first surface and the second surface that sets up, first surface support in the elastic component, the second surface is via the third opening is naked, spacing portion set up in press the outer periphery of main part to outwards extend, when the button cap does not receive outside pressing force, the button lid is along orientation the direction pressure of keypad holds spacing portion, the elastic component is along deviating from the direction support of keypad press the main part.
15. The electronic device of claim 14, further comprising a second key assembly disposed within the mounting slot, the key cover further having a fourth opening disposed therein, at least a portion of the second key assembly being exposed through the fourth opening, the second key assembly sharing the resilient member with the first key assembly.

Description

Key assembly and electronic equipment Technical Field The application relates to the technical field of electronic information, in particular to a key assembly and electronic equipment. Background Key assemblies are often provided on electronic devices to facilitate control of the electronic device by a user through the key assemblies. When the key assembly has a relatively large size, how to increase the triggering rate when the edge position of the key is pressed is a technical problem to be solved in the art. Disclosure of utility model The application provides a key assembly, which is provided with a key board, an elastic piece and a key cap, wherein the key board, the elastic piece and the key cap are mutually perpendicular in a first direction, the key board, the elastic piece and the key cap are sequentially arranged in a stacked mode along the first direction, the key board is provided with a switch element, the elastic piece comprises a base body, a first elastic support body and at least one second elastic support body, the first elastic support body and the second elastic support body are arranged on one side of the base body, which is close to the key cap, the first elastic support body and the second elastic support body are arranged at intervals along the second direction and are used for respectively supporting the key cap and simultaneously providing resilience force for the key cap, the projection of the first elastic support body along the first direction falls on the switch element, and the first elastic support body is arranged to move downwards along the first direction and trigger the switch element when the key cap is subjected to external pressing force. In some embodiments, the switch element can provide a sectional touch to the key assembly, and when the first elastic support and the second elastic support move down in the first direction the same, the resilience force provided by the first elastic support is smaller than the resilience force provided by the second elastic support. In some embodiments, the first elastic support body comprises a first support block and a first elastic wall, the first elastic wall surrounds the first support block and is connected to the base body, the first support block is used for supporting the key cap, the first elastic wall is used for providing resilience force, the second elastic support body comprises a second support block and a second elastic wall, the second elastic wall surrounds the second support block and is connected to the base body, the second support block is used for supporting the key cap, the second elastic wall is used for providing resilience force, the thickness of the first elastic wall is smaller than that of the second elastic wall, and/or the materials of the first elastic wall and the second elastic wall are all silica gel, and the hardness of the silica gel used for forming the first elastic wall is smaller than that of the silica gel used for forming the second elastic wall. In some embodiments, the first elastic support body comprises a first support block and a first elastic wall, the first elastic wall surrounds the first support block and connects the first support block to the base body, the first support block is used for supporting the key cap, the first elastic wall is used for providing resilience force, the second elastic support body comprises a second support block and a second elastic wall, the second elastic wall surrounds the second support block and connects the second support block to the base body, the second support block is used for supporting the key cap, the second elastic wall is used for providing resilience force, a first reference line passing through two ends of an inner contour line of the first elastic wall forms a first included angle with a main surface of the key plate on one side of the central axis of the first elastic wall, a second reference line passing through two ends of the inner contour line of the second elastic wall forms a second included angle with the main surface of the key plate on one side of the central axis of the second elastic wall, and the first included angle is smaller than the second included angle. In some embodiments, when the key cap is not subjected to external pressing force, the first elastic wall is arranged in a flat plate shape parallel to the main surface of the key plate, and the second elastic wall is arranged in a tapered cylindrical shape in the direction from the base body to the second supporting block. In some embodiments, the second spring wall is disposed in an arc shape in a reference section through a central axis of the second spring wall. In some embodiments, the elastic piece is abutted with the key board through the base body and is abutted with the key cap through the first elastic supporting body and the second elastic supporting body, the base body is provided with a first opening and at least one second opening, the first elastic sup