CN220796531U

CN220796531U - Prevent scissors foot and key Key structure with cap separated

Info

Publication number: CN220796531U
Application number: CN202320328834.XU
Authority: CN
Inventors: 胡海军; 王永刚
Original assignee: Sunrex Computer Jiangsu Co ltd
Current assignee: Sunrex Computer Jiangsu Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2024-04-16
Anticipated expiration: 2033-02-27

Abstract

The key structure for preventing the scissors legs from separating from the key caps comprises the key caps, wherein the scissors legs are arranged below the key caps, the membrane switches are arranged below the scissors legs, the supporting plates are arranged below the membrane switches, the connecting holes are formed in the middle parts of the scissors legs, the elastic elements are arranged in the middle parts of the membrane switches, and the upper ends of the elastic elements penetrate through the connecting holes; the upper ends of the scissor legs are connected with the lower ends of the key caps through upper leg posts, and the lower ends of the scissor legs are connected with the supporting plates through lower leg posts; the lower terminal surface of key cap is provided with two sets of screens that can be connected with last stilt, and at least one set of screens in two sets of screens is the draw-in groove that the opening set up towards the side, and the lower terminal surface of draw-in groove is provided with retaining wall structure. The key structure designed by the utility model designs the clamping groove with the retaining wall structure on the lower end surface of the key cap, thereby being convenient for the installation of the leg of the scissors leg, the pin can be prevented from falling out of the clamping groove, the scissors pins are prevented from falling out of the keycaps, normal use of the keyboard is ensured, and satisfaction of consumers is improved.

Description

Key structure for preventing scissors foot from separating from key cap

Technical Field

The utility model belongs to the technical field of key structure improvement, and particularly relates to a key structure for preventing scissors pins from being separated from a keycap.

Background

The keyboard with the scissors foot structure is firstly applied to a notebook computer keyboard, and because the keyboard has comfortable and stable hand feeling, peripheral manufacturers transplant the keyboard to a desk keyboard and apply the keyboard to middle-high end products. The scissors foot is a popular meaning of X structure in normal times, and refers to a connection mode between a keycap of a keyboard and the keyboard.

In order to meet different consumers, smaller keyboards are designed, the corresponding key caps are relatively smaller in size, the design space of the smaller key caps is limited, the connection between the keycaps and the scissor legs is usually realized by clamping all the legs of the scissor legs into corresponding clamping positions on the inner sides of the keycaps. However, during the pressing test, the legs of the scissors are found to be easily separated from the key cap, which results in separation of the scissors from the key cap, and thus, the keyboard is not normally used.

Therefore, a key structure for preventing the scissors from separating from the keycap is designed to solve the above problems.

It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the utility model section.

Disclosure of Invention

To overcome the above-described deficiencies in the prior art, the utility model aims to provide a key structure for preventing scissors pins from being separated from a keycap.

To achieve the above and other related objects, the present utility model provides the following technical solutions: the key structure for preventing the scissors pins from separating from the key caps comprises the key caps, wherein the scissors pins are arranged below the key caps, the membrane switches are arranged below the scissors pins, the supporting plates are arranged below the membrane switches, the connecting holes are formed in the middle parts of the scissors pins, the elastic elements are arranged in the middle parts of the membrane switches, and the upper ends of the elastic elements penetrate through the connecting holes; the upper ends of the scissor legs are connected with the lower ends of the key caps through upper leg posts, and the lower ends of the scissor legs are connected with the supporting plates through lower leg posts; the lower end face of the key cap is provided with two groups of clamping positions which can be connected with the upper leg, at least one group of clamping positions in the two groups of clamping positions is a clamping groove with an opening arranged towards the side face, and the lower end face of the clamping groove is provided with a retaining wall structure.

The preferable technical scheme is as follows: the lower end face of the clamping groove is horizontally arranged relative to the upper end face of the key cap.

The preferable technical scheme is as follows: the inner side surface of the retaining wall structure is perpendicular to the lower end surface of the clamping groove, and the upper end surface of the retaining wall structure is a slope surface which is inclined downwards.

The preferable technical scheme is as follows: an arc surface is arranged at the junction of the inner side surface and the upper end surface of the retaining wall structure.

The preferable technical scheme is as follows: the clamping groove is stuck to the corner position of the lower end face of the key cap, and a guide structure is arranged between the retaining wall structure and the inner wall of the key cap.

The preferable technical scheme is as follows: the guide structure is a cambered surface structure which is concave downwards.

The preferable technical scheme is as follows: the cambered surface of the guide structure is higher than the upper end surface of the retaining wall structure.

Due to the application of the technical scheme, compared with the prior art, the utility model has the advantages that:

according to the key structure, the clamping groove with the retaining wall structure is formed in the lower end face of the key cap, so that the pillars of the scissors can be conveniently installed, the pillars can be prevented from falling out of the clamping groove, the scissors are prevented from falling off from the key cap, normal use of the keyboard is guaranteed, satisfaction of consumers is improved, and the key structure is high in practicability and suitable for popularization.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of an explosive structure according to the present utility model.

Fig. 3 is a schematic side view of the present utility model.

FIG. 4 is a schematic diagram of a card slot and related structure.

In the above drawings, 1, a key cap; 11. a clamping groove; 1101. a lower end surface; 12. a retaining wall structure; 1201. an inner side surface; 1202. an upper end surface; 1203. an arc surface; 2. a scissor leg; 21. an upper leg; 22. a lower leg; 3. a membrane switch; 4. a support plate; 5. a connection hole; 6. an elastic element; 7. and a guiding structure.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1-4. It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples: as shown in fig. 1-4, a key structure for preventing a scissor leg 2 from being separated from a keycap 1 comprises the keycap 1, wherein the scissor leg 2 is arranged below the keycap 1, a membrane switch 3 is arranged below the scissor leg 2, a supporting plate 4 is arranged below the membrane switch 3, a connecting hole 5 is formed in the middle of the scissor leg 2, an elastic element 6 is arranged in the middle of the membrane switch 3, and the upper end of the elastic element 6 passes through the connecting hole 5; the upper end of the scissors foot 2 is connected with the lower end of the keycap 1 through an upper foot post 21, and the lower end of the scissors foot 2 is connected with the supporting plate 4 through a lower foot post 22; the lower end surface 1101 of the key cap 1 is provided with two sets of clamping positions capable of being connected with the upper leg 21, at least one set of clamping positions in the two sets of clamping positions is a clamping groove 11 with an opening facing the side, and the lower end surface 1101 of the clamping groove 11 is provided with a retaining wall structure 12. The lower end surface 1101 of the card slot 11 is disposed horizontally with respect to the upper end surface 1202 of the key cap 1.

The preferred embodiments are: as shown in fig. 4, the inner side surface 1201 of the retaining wall structure 12 is perpendicular to the lower end surface 1101 of the clamping groove 11, and the upper end surface 1202 of the retaining wall structure 12 is a slope surface that slopes downward. The inner side 1201 of the retaining wall structure 12 is vertical to the lower end 1101 of the clamping groove 11, so that the upper leg 21 can be better prevented from falling out of the clamping groove 11; the slope design can play a guiding role, so that the upper leg column 21 can be conveniently clamped into the clamping groove 11.

The preferred embodiments are: as shown in fig. 4, an arc surface 1203 is disposed at the intersection of the inner side surface 1201 and the upper end surface 1202 of the retaining wall structure 12. The arc surface 1203 facilitates the smooth clamping in of the upper leg 21, facilitates the installation and prevents the upper leg 21 from being scratched.

The preferred embodiments are: as shown in fig. 3, the clamping groove 11 is attached to a corner position of the lower end surface 1101 of the key cap 1, and a guiding structure 7 is disposed between the retaining wall structure 12 and the inner wall of the key cap 1. The guide structure 7 is a downwardly concave cambered surface structure. The cambered surface of the guide structure 7 is higher than the upper end surface 1202 of the retaining wall structure 12. The clamping groove 11 and the key cap 1 can adopt an integrated structure, the design does not occupy the installation space of other structures at the corner position, the design of the retaining wall structure 12 can be more in place, and the guide structure 7 is convenient for the smooth installation of the upper leg 21.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. The utility model provides a prevent button structure that scissors foot and key cap break away from, includes key cap (1), the below of key cap (1) is provided with scissors foot (2), the below of scissors foot (2) is provided with membrane switch (3), the below of membrane switch (3) is provided with backup pad (4), connecting hole (5) have been seted up at the middle part of scissors foot (2), the middle part of membrane switch (3) is provided with elastic element (6), the upper end of elastic element (6) passes connecting hole (5) are set up; the upper end of the scissor leg (2) is connected with the lower end of the key cap (1) through an upper leg (21), and the lower end of the scissor leg (2) is connected with the supporting plate (4) through a lower leg (22); the method is characterized in that: the key cap is characterized in that two groups of clamping positions capable of being connected with the upper leg (21) are arranged on the lower end face (1101) of the key cap (1), at least one group of clamping positions in the two groups of clamping positions are clamping grooves (11) with openings arranged towards the side faces, and retaining wall structures (12) are arranged on the lower end face (1101) of the clamping grooves (11).

2. The key structure for preventing separation of scissors from a keycap according to claim 1, wherein: the lower end surface (1101) of the clamping groove (11) is horizontally arranged relative to the upper end surface (1202) of the key cap (1).

3. The key structure for preventing separation of scissors from a keycap according to claim 2, wherein: the inner side surface (1201) of the retaining wall structure (12) is perpendicular to the lower end surface (1101) of the clamping groove (11), and the upper end surface (1202) of the retaining wall structure (12) is a slope surface which is inclined downwards.

4. A key structure for preventing separation of scissors from a keycap according to claim 3, wherein: an arc surface (1203) is arranged at the intersection of the inner side surface (1201) and the upper end surface (1202) of the retaining wall structure (12).

5. The key structure for preventing separation of scissors from a keycap according to claim 4, wherein: the clamping groove (11) is stuck to the corner position of the lower end face (1101) of the key cap (1), and a guide structure (7) is arranged between the retaining wall structure (12) and the inner wall of the key cap (1).

6. The key structure for preventing separation of scissors from a keycap according to claim 5, wherein: the guide structure (7) is a cambered surface structure which is concave downwards.

7. The key structure for preventing separation of scissors from a keycap according to claim 6, wherein: the cambered surface of the guide structure (7) is higher than the upper end surface (1202) of the retaining wall structure (12).