CN219958838U - Key mechanism - Google Patents

Abstract

The utility model discloses a key mechanism, and belongs to the technical field of keys. The key mainly comprises an upper shell, wherein a mounting groove is formed in the upper shell, a fixing part is arranged on the upper shell, a key body is matched with the mounting groove, a mounting part is arranged at the middle part of the key body, the fixing part comprises a positioning column, the positioning column is arranged above the mounting groove, the mounting part comprises a positioning block, the positioning block is arranged on the upper side of the key body, a positioning hole is formed in the positioning block, the positioning hole is in tight fit with the positioning column, the fixing part further comprises a groove, the groove is arranged below the mounting groove, a fixture block matched with the groove is arranged on the lower side of the key body, the fixture block is suitable for being inserted into the groove, the key body is inserted into the mounting groove through the tight fit of the positioning hole on the positioning block and the positioning column, and the installation of the key body is realized under the cooperation of the groove and the fixture block. The key mechanism solves the problem that the existing key is complicated to install.

Description

Key mechanism

Technical Field

The utility model relates to the technical field of keys, in particular to a key mechanism.

Background

Keys, which are hardware components on a computer, keyboard, mouse or other digital communication device, can be used to perform basic input operations by being pressed to send a specific command or information to the device, are typically made of plastic or metal, and are often marked with characters, numbers or icons on their respective surfaces, so that the user can quickly recognize and operate them;

some electronic products such as portable wireless sound equipment, intelligent voice equipment, intelligent electronic musical instruments and the like in the market at present are many to trigger the functions of the products through keys;

however, in the existing electronic devices such as wireless sound boxes and intelligent electronic musical instruments, the keys are generally fixed on the housing by means of fastening, gluing or hot melting, and enough stations are necessarily allocated during production to mount the keys on the housing, and assembly or hot melting is required to be performed during reserved working hours, so that the workload of staff is increased, and the mounting manner of the keys is complex, so that a key mechanism is necessary to solve the above problems.

It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and, therefore, it may contain information that does not constitute prior art.

Disclosure of Invention

Based on the above problems existing in the prior art, the present utility model aims to solve the problems: the key mechanism solves the problem that the installation of the existing keys is complicated.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a button mechanism, includes the epitheca, sets up the mounting groove on this epitheca, be provided with fixed part on the epitheca, this button body with mounting groove phase-match, button body middle part is provided with the installation department, the installation department with fixed part looks adaptation, the button body is suitable for to insert in the mounting groove, and the installation department with under the cooperation of fixed part, make the button body with fix between the epitheca.

Further, the fixed part comprises a positioning column, the positioning column is arranged above the mounting groove, the mounting part comprises a positioning block, the positioning block is arranged on the upper side of the key body, a positioning hole is formed in the positioning block, and the positioning hole is in tight fit with the positioning column.

Further, the fixing portion further comprises a groove, the groove is arranged below the mounting groove, the mounting portion further comprises a clamping block matched with the groove, the clamping block is arranged on the lower side of the key body, and the clamping block is suitable for being inserted into the groove.

Further, two groups of keys are arranged on the key body, a lower shell corresponding to the upper shell is arranged on one side of the upper shell, a circuit board is arranged in the lower shell, the keys correspond to the circuit board, and the circuit board is used for supporting the key body and preventing the keys from sinking in the pressing and using process.

Further, the key body is made of PBT plastic.

The beneficial effects of the utility model are as follows: according to the key mechanism provided by the utility model, the key body is inserted into the mounting groove, and the upper side and the lower side of the key body are fixed under the tight fit of the positioning hole on the positioning block and the positioning column and the fit of the groove and the clamping block, so that the key body is convenient to mount, and the problem that the conventional key is complicated to mount is solved.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a key mechanism according to the present utility model;

FIG. 2 is a schematic diagram illustrating the installation of the key of FIG. 1;

FIG. 3 is a schematic diagram illustrating the assembly of the key and the upper case in FIG. 2;

FIG. 4 is a schematic side view of the key and upper housing assembly of FIG. 3;

wherein, each reference sign in the figure:

1. a key body; 11. a positioning block; 111. positioning holes; 12. a clamping block; 13. a key; 2. an upper case; 21. positioning columns; 22. a mounting groove; 23. a groove.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As shown in fig. 1-2, the utility model provides a key mechanism, which comprises an upper shell 2 and a key body 1 arranged on the upper shell 2, wherein the key body 1 is made of PBT plastic, and two groups of keys 13 are arranged on the key body 1;

the upper shell 2 is provided with a mounting groove 22, the mounting groove 22 corresponds to the two groups of keys 13 on the key body 1, so that the key body 1 is mounted in the mounting groove 22 from the back side of the upper shell 2, and the two groups of keys 13 extend out of the mounting groove 22 (as shown in fig. 4);

as shown in fig. 2-3, a mounting part is arranged at the middle part of the key body 1, a fixing part matched with the mounting part is arranged on the upper shell 2, and the key body 1 is fixed on the upper shell 2 under the cooperation of the fixing part and the mounting part;

the installation part comprises a positioning block 11 and a clamping block 12, wherein the positioning block 11 and the clamping block 12 are respectively arranged on the upper side and the lower side of the key body 1, the positioning block 11 and the clamping block 12 are of an integrated structure, and the positioning block 11 and the clamping block 12 are used for driving the key body 1 to be installed on the upper shell 2 and positioning the key body 1;

the fixing part comprises a positioning column 21, the positioning column 21 is positioned right above the mounting groove 22, a positioning hole 111 matched with the positioning column 21 is formed in a positioning block 11 on the key body 1, the key body 1 is sleeved on the positioning column 21 through the positioning hole 111, the positioning hole 111 and the positioning column 21 are assembled in a tight fit manner, five degrees of freedom of the key body 1 are limited under the action of the tight fit of the positioning hole 111 and the positioning column 21, after assembly, even if the upper shell 2 is overturned, the key body 1 cannot be loosened, the key body 1 can be prevented from loosening when being transferred to the next assembly station, and the position of the key body 1 is fixed;

the fixing part also comprises a groove 23, the groove 23 is positioned under the mounting groove 22, and meanwhile, the clamping block 12 on the key body 1 is matched with the groove 23, so that the clamping block 12 is inserted into the groove 23, and the lower side position of the key body 1 is fixed;

in summary, the key body 1 is inserted into the mounting groove 22, and the upper and lower sides of the key body 1 are fixed under the tight fit of the positioning hole 111 on the positioning block 11 and the positioning column 21 and the fit of the groove 23 and the clamping block 12, so that the key body 1 is convenient to mount, and the problem of complicated mounting of the existing key is solved;

meanwhile, one side of the upper shell 2 is provided with a lower shell (not shown in the figure) corresponding to the upper shell, a circuit board is arranged in the lower shell, after the upper shell 2 and the lower shell are assembled, the key 13 on the key body 1 corresponds to the circuit board, and the key body 1 on the upper shell 2 is supported by the circuit board, so that the key 13 is not sunk in the pressing use process, and six degrees of freedom of the key body 1 are limited.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. A key mechanism, characterized in that: the key mechanism includes:

an upper shell (2), wherein a mounting groove (22) is formed in the upper shell (2), and a fixing part is arranged on the upper shell (2);

the key body (1), the key body (1) is matched with the mounting groove (22), a mounting part is arranged in the middle of the key body (1), and the mounting part is matched with the fixing part;

wherein: the key body (1) is suitable for being inserted into the mounting groove (22), and is fixed between the key body (1) and the upper shell (2) under the cooperation of the mounting part and the fixing part.

2. A key mechanism according to claim 1, wherein: the fixing part comprises a positioning column (21), and the positioning column (21) is arranged above the mounting groove (22);

the mounting part comprises a positioning block (11), the positioning block (11) is arranged on the upper side of the key body (1), a positioning hole (111) is formed in the positioning block (11), and the positioning hole (111) is in tight fit with the positioning column (21).

3. A key mechanism according to claim 2, wherein: the fixing part further comprises a groove (23), and the groove (23) is arranged below the mounting groove (22);

the installation part further comprises a clamping block (12) matched with the groove (23), the clamping block (12) is arranged on the lower side of the key body (1), and the clamping block (12) is suitable for being inserted into the groove (23).

4. A key mechanism according to claim 1, wherein: two groups of keys (13) are arranged on the key body (1), a lower shell corresponding to the upper shell is arranged on one side of the upper shell (2), a circuit board is arranged in the lower shell, the keys (13) correspond to the circuit board, and the circuit board is used for supporting the key body (1) and preventing the keys (13) from sinking in the pressing use process.

5. A key mechanism according to claim 1, wherein: the key body (1) is made of PBT plastic.