CN220914092U

CN220914092U - Keyboard convenient to assembly

Info

Publication number: CN220914092U
Application number: CN202322646502.9U
Authority: CN
Inventors: 陶崇阳; 臧琛
Original assignee: Dongguan Hejin Electronic Technology Co ltd
Current assignee: Dongguan Hejin Electronic Technology Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-07
Anticipated expiration: 2033-09-27

Abstract

The utility model relates to a keyboard convenient to assemble, which comprises a key set and a circuit board, wherein the key set comprises a fixed plate and a plurality of key shells integrally formed on the fixed plate, a shaft core which can be arranged in a lifting manner is connected to the key shells through elastic pieces, the shaft core is matched with the key shells through clamping parts on two sides, an induction element which is used for being matched with the shaft core is arranged on the circuit board, a limiting channel which extends vertically upwards is arranged in the key shells, the shaft core is matched with the limiting channel, two sides of the limiting channel are provided with clamping positions which are used for being matched with the clamping parts, and the fixed plate and the plurality of key shells are integrally arranged in an injection molding manner.

Description

Keyboard convenient to assembly

Technical Field

The utility model relates to the technical field of keyboards, in particular to a keyboard convenient to assemble.

Background

The keyboard is the most commonly used and main input device, and english letters, chinese characters, numerals, punctuation marks and the like can be input into a computer through the keyboard, so that commands, input data and the like can be sent to the computer. There are also keyboards with various shortcuts. Over time, independent products with various shortcut functions are sold separately in the market, and special driving and setting software is provided, so that personalized operation can be realized on a compatible machine.

The key switch of the existing keyboard (refer to a mechanical key with a shock-absorbing structure of CN219267518U in detail) generally comprises a housing, a shaft core mounted on the housing and capable of moving up and down relative to the housing, and a spring mounted on the housing and disposed at the lower end of the shaft core, wherein the spring is used for driving the shaft core to reset upwards, so that the key can rebound after being triggered by pressing, the housing generally comprises a top cover and a base which are detachably connected with each other, but in this way, the requirements on the precision of the design, production and assembly of the top cover and the base are higher, and the production difficulty and the production cost of the key switch are increased.

Disclosure of utility model

The utility model provides a keyboard convenient to assemble, which solves the problem of assembling key switches on the keyboard.

The object of the utility model is achieved by:

The utility model provides a keyboard convenient to assembly, includes button group and circuit board, button group including fixed plate and integrated into one piece in a plurality of button casing on the fixed plate, be connected with the axle core that liftable set up on the button casing through the elastic component, the axle core through the joint portion of both sides with the button casing cooperates, be provided with on the circuit board be used for with axle core complex sensing element.

In the above description, the clamping portion is triangular or semicircular.

In the above description, a notch is formed in the key housing at a position corresponding to the clamping portion, the notch being in communication with the outside.

In the above description, a limiting channel extending vertically upwards is arranged in the key shell, and the shaft core is arranged in the limiting channel in a matching manner.

In the above description, the two sides of the limiting channel are provided with clamping positions for being matched with the clamping parts.

In the above description, further, a travel limiting portion is disposed at the lower end of the limiting channel.

In the above description, a limiting shaft sleeve is arranged in the middle of the stroke limiting portion, and the shaft core is matched with the limiting shaft sleeve through a guiding portion at the lower end.

According to the utility model, the fixing plate and the plurality of key shells are integrally arranged in an injection molding way, so that the assembly cost of the keyboard is reduced, the shaft core is clamped by the clamping parts, the assembly difficulty is greatly reduced, the yield is improved, and the production cost is further controlled.

Drawings

FIG. 1 is a first cross-sectional view of a keyboard of the present utility model for ease of assembly;

FIG. 2 is a second cross-sectional view of a keyboard of the present utility model for ease of assembly;

FIG. 3 is a schematic diagram of a keyboard of the present utility model for easy assembly;

the reference numerals in the drawings are respectively: the device comprises a circuit board 1, a fixed plate 2, a key shell 3, a limit channel 301, a notch 302, a clamping position 303, a travel limit part 304, a travel limit shaft sleeve 305, an elastic piece 4, a shaft core 5, a guide part 501, a clamping part 502, an infrared emitting tube 6 and an infrared receiving tube 7.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the detailed description.

Referring to fig. 1-3, a keyboard for easy assembly of the embodiment includes a key set and a circuit board 1, wherein the key set includes a fixed plate 2 and a plurality of key housings 3 integrally injection molded on the fixed plate 2, a shaft core 5 capable of lifting is connected to the key housings 3 through an elastic member 4, the shaft core 5 cooperates with the key housings 3 through clamping parts 502 on two sides, and an induction element for cooperation with the shaft core 5 is provided on the circuit board 1. The elastic member 4 is a spring.

Further, the clamping portion 502 is a triangle, the triangle is a right triangle, the triangle is far away from the right inclined plane to facilitate the installation and guiding of the shaft core 5, and the horizontal plane at the upper end of the triangle is used for matching with the clamping position 303 in the key shell 3 to avoid the separation of the shaft core 5. Further, the clamping portion 502 may be a semicircle.

Further, the key housing 3 is provided with a notch 302 corresponding to the clamping portion 502, so that when the spring is damaged, a user can conveniently press the clamping portion 502 through the notch 302 by an external tool, and the shaft core 5 can be separated from the key housing 3.

Further, be provided with the spacing passageway 301 that vertically upwards extends in the button casing 3, the axle core 5 cooperation sets up in spacing passageway 301, does not have convex hindrance on the inner wall of this spacing passageway 301, is favorable to button casing 3 and the integrative injection moulding of fixed plate 2, and the degree of difficulty of moulding plastics reduces to some extent.

Further, two sides of the limiting channel 301 are provided with a clamping position 303 for matching with the clamping part 502.

Further, the lower end of the limiting channel 301 is provided with a stroke limiting portion 304, a limiting shaft sleeve 305 is arranged in the middle of the stroke limiting portion 304, and the shaft core 5 is matched with the limiting shaft sleeve 305 through a guiding portion 501 at the lower end.

As shown in fig. 1, the sensing element in this embodiment is an infrared transmitting tube 6 and an infrared receiving tube 7 which are disposed opposite to each other with the shaft core 5 as a central axis, and a light-permeable notch is disposed at a position of the lower end of the limiting sleeve 305 corresponding to the infrared transmitting tube 6 and the infrared receiving tube 7, so as to avoid affecting normal use of the infrared transmitting tube 6 and the infrared receiving tube 7, i.e. the optical axis keyboard commonly seen in the market. Further, the sensing element may be provided as a hall sensor, and a magnet may be provided at the lower end of the shaft core 5 to sense the up-and-down movement of the shaft core 5 by the hall sensor.

According to the utility model, the fixing plate 2 and the plurality of key shells 3 are integrally arranged in an injection molding way, so that the assembly cost of the keyboard is reduced, and the shaft core 5 is clamped by the clamping part 502, so that the assembly difficulty is greatly reduced, the yield is improved, and the production cost is further controlled.

The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.

Claims

1. The utility model provides a keyboard convenient to assembly, includes button group and circuit board (1), its characterized in that: the key set comprises a fixed plate (2) and a plurality of key shells (3) which are integrally formed on the fixed plate (2), wherein an axle core (5) which is arranged in a lifting mode is connected to the key shells (3) through an elastic piece (4), the axle core (5) is matched with the key shells (3) through clamping parts (502) on two sides, and an induction element which is matched with the axle core (5) is arranged on the circuit board (1).

2. A keyboard for facilitating assembly as defined in claim 1, wherein: the clamping part (502) is arranged in a triangle or a semicircle.

3. A keyboard for facilitating assembly as defined in claim 1, wherein: the key shell (3) is provided with a notch (302) which is communicated with the outside at a position corresponding to the clamping part (502).

4. A keyboard for facilitating assembly according to any one of claims 1-3, wherein: a limiting channel (301) extending vertically upwards is arranged in the key shell (3), and the shaft core (5) is arranged in the limiting channel (301) in a matching mode.

5. A keyboard for facilitating assembly as defined in claim 4, wherein: two sides of the limiting channel (301) are provided with clamping positions (303) for being matched with the clamping portions (502).

6. A keyboard for facilitating assembly as defined in claim 4, wherein: the lower end of the limiting channel (301) is provided with a stroke limiting part (304).

7. A keyboard for facilitating assembly as defined in claim 6, wherein: the middle part of the travel limiting part (304) is provided with a limiting shaft sleeve (305), and the shaft core (5) is matched with the limiting shaft sleeve (305) through a guiding part (501) at the lower end.