CN216968712U

CN216968712U - Notebook keyboard key cap compression fittings

Info

Publication number: CN216968712U
Application number: CN202122453401.0U
Authority: CN
Inventors: 邓明林
Original assignee: Hunan Yixin Precision Technology Co ltd
Current assignee: Hunan Yixin Precision Technology Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-07-15
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a press-fit device for keycaps of a notebook keyboard, which belongs to the field of notebook computer production and comprises a base, and is characterized in that: the upper surface of the base is fixedly connected with a limiting frame, the upper surface of the limiting frame is provided with a pressing mechanism, a protection mechanism is arranged inside the base, the pressing mechanism comprises an air cylinder, a movable plate, an upper pressing plate, a first rack, a first rotating rod, a first gear, a second rotating rod, a first belt pulley, a second gear, a first sliding rail, a second rack and a lower pressing plate, the upper surface of the limiting frame is fixedly connected with the air cylinder, the circumferential surface of the limiting frame is slidably connected with the movable plate, and the upper surface of the movable plate is fixedly connected with the movable end of the air cylinder.

Description

Notebook keyboard key cap compression fittings

Technical Field

The utility model relates to the field of production of notebook computers, in particular to a press-fit device for keycaps of a notebook keyboard.

Background

The keyboard is the most common and main input device, and English letters, Chinese characters, numbers, punctuations and the like can be input into the computer through the keyboard, so that commands, data input and the like are sent to the computer.

But present notebook keyboard key cap when producing the pressfitting operation, generally carry out the pressfitting operation to the upper surface of keyboard key cap through the top board, and the lower surface is the stress surface to the effect of pressfitting is relatively poor, and during the pressfitting operation, does not carry out the problem that the structure that protects comes the separation user to take place the mistake to bump the device

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a press-fit device for keycaps of a notebook keyboard, which is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a press-fit device for key caps of keyboards of notebooks comprises a base, wherein a limiting frame is fixedly connected to the upper surface of the base, a press-fit mechanism is arranged on the upper surface of the limiting frame, a protective mechanism is arranged inside the base, the press-fit mechanism comprises a cylinder, a movable plate, an upper press plate, a first rack, a first rotating rod, a first gear, a second rotating rod, a first belt pulley, a second gear, a first sliding rail, a second rack and a lower press plate, the cylinder is fixedly connected to the upper surface of the limiting frame, the movable plate is slidably connected to the circumferential surface of the limiting frame, the upper surface of the movable plate is fixedly connected to the movable end of the cylinder, the upper press plate is fixedly connected to the lower surface of the movable plate, the first rack is fixedly connected to the back surface of the movable plate, the first rotating rod and the second rotating rod are rotatably connected to the inside of the base, the first belt pulley and the first gear are fixedly connected to the circumferential surface of the first rotating rod, the periphery of the second rotating rod is fixedly connected with a second belt pulley and a second gear, the first belt pulley and the second belt pulley are in transmission connection through a connecting belt, the inner lower surface of the base is fixedly connected with a first slide rail, the inner part of the first slide rail is in sliding connection with a second rack, one end of the second rack is fixedly connected with a second pressing plate, the second pressing plate can work by opening an air cylinder, the air cylinder drives a movable plate to perform limiting sliding on the periphery of a limiting frame, the first rack and the upper pressing plate displace along with the position of the movable plate, the first rack displaces to a proper position and is meshed with the first gear, so that the first gear drives the first rotating rod to rotate, the first rotating rod drives the first belt pulley to rotate, the first belt pulley is in transmission connection with the second belt pulley through the connecting belt, the second belt pulley drives the second rotating rod to rotate, and the second rotating rod drives the second gear to rotate, the second gear is meshed with the second rack, so that the second rack drives the lower pressing block to ascend to a proper position, double-sided pressing can be carried out on the keyboard keycap through the upper pressing plate and the lower pressing plate, and the pressing effect is improved.

As a still further scheme of the utility model: the first rack is meshed with the first gear, the second gear is meshed with the second rack, the first rack drives the first gear to rotate, the first gear drives the first rotating rod to rotate, the first belt pulley is in transmission connection with the second belt pulley through a connecting belt, the second rotating rod drives the second gear to rotate, and the second gear drives the second rack to move upwards.

As a still further scheme of the utility model: the keyboard comprises a base and is characterized in that a placing groove and a groove are formed in the upper surface of the base, the placing groove is T-shaped, the outer diameter of the placing groove is matched with an upper pressing plate, the inner diameter of the placing groove is matched with a lower pressing plate, the outer diameter is matched with the upper pressing plate to facilitate positioning and pressing of the upper pressing plate, and the inner diameter is matched with the lower pressing plate to facilitate pressing operation of the lower pressing plate on the lower surface of the keyboard.

As a still further scheme of the utility model: the extrusion surfaces of the upper pressing plate and the lower pressing plate are respectively fixed with an extrusion pad, and the extrusion pads are made of elastic materials, so that the keyboard keycaps are protected during pressing operation.

As a still further scheme of the utility model: the protection mechanism comprises a second slide rail, a slide rod, a connecting rod and a protection baffle, the inner lower surface of the base is fixedly connected with the second slide rail, the inner sliding connection of the second slide rail is provided with the slide rod, the back surface of the slide rod is fixedly connected with the connecting rod, the other end of the connecting rod is fixedly connected with the front surface of the second rack, one end of the slide rod is fixedly connected with the protection baffle, when the second rack moves, the second rack passes through the connecting rod and is fixedly connected with the slide rod, so that the second rack rises to drive the slide rod to slide and rise in the inner part of the second slide rail, and the slide rod drives the protection baffle to rise to play a protection role.

As a still further scheme of the utility model: the material of guard flap is made for transparent material, and the size phase-match of recess, conveniently observes pressfitting operation process.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

by arranging the pressing mechanism and the protection mechanism, when the device is used, the device can work by opening the air cylinder, the air cylinder drives the movable plate to perform limited sliding on the circumferential surface of the limiting frame, the first rack and the upper pressing plate move along with the position of the movable plate, the first rack moves to a proper position to be meshed with the first gear, so that the first gear drives the first rotating rod to rotate, the first rotating rod rotates to drive the first belt pulley to rotate, the first belt pulley is in transmission connection with the second belt pulley through a connecting belt, the second belt pulley drives the second rotating rod to rotate, the second rotating rod rotates to drive the second gear to rotate, the second gear is meshed with the second rack, so that the second belt drives the lower pressing block to ascend to a proper position, namely, the keyboard can be subjected to double-sided pressing through the upper pressing plate and the lower pressing plate, and the pressing effect is improved, when the second rack takes place to remove, the second rack passes through connecting rod and slide bar fixed connection for the second rack rises and drives the slide bar and rise in the inside slip of second slide rail, the slide bar drives the guard flap and rises and play the effect of protection, high durability and convenient use can carry out the pressfitting operation simultaneously through top board and holding down plate, the effect of pressfitting has been increased, can drive the guard plate during the pressfitting operation simultaneously and rise and block the user and bump at the in-process mistake of pushing down, thereby cause the potential safety hazard.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side sectional view of the present invention;

FIG. 3 is a sectional view of the front structure of the present invention;

fig. 4 is a partially enlarged view of a in fig. 2 in the present invention.

In the figure: 1. a base; 11. a placement groove; 12. a groove; 2. a limiting frame; 3. a pressing mechanism; 4. a protection mechanism; 31. A cylinder; 32. a movable plate; 33. an upper pressure plate; 34. a first rack; 35. a first rotating lever; 36. a first gear; 37. a second rotating rod; 38. a first pulley; 39. a second pulley; 310. a second gear; 311. a first slide rail; 312. a second rack; 313. a lower pressing plate; 41. a second slide rail; 42. a slide bar; 43. a connecting rod; 44. a guard flap.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a press-fit device for a key cap of a notebook keyboard includes a base 1, a limiting frame 2 is fixedly connected to an upper surface of the base 1, a press-fit mechanism 3 is disposed on an upper surface of the limiting frame 2, and a protection mechanism 4 is disposed inside the base 1.

As a further scheme of the utility model: the pressing mechanism 3 comprises a cylinder 31, a movable plate 32, an upper pressure plate 33, a first rack 34, a first rotating rod 35, a first gear 36, a second rotating rod 37, a first belt pulley 38, a second belt pulley 39, a second gear 310, a first slide rail 311, a second rack 312, and a lower pressure plate 313, the cylinder 31 is fixedly connected to the upper surface of the limiting frame 2, the movable plate 32 is slidably connected to the circumferential surface of the limiting frame 2, the upper surface of the movable plate 32 is fixedly connected to the movable end of the cylinder 31, the upper pressure plate 33 is fixedly connected to the lower surface of the movable plate 32, the first rack 34 is fixedly connected to the back surface of the movable plate 32, the first rotating rod 35 and the second rotating rod 37 are rotatably connected to the inside of the base 1, the first belt pulley 38 and the first gear 36 are fixedly connected to the circumferential surface of the first rotating rod 35, the second belt pulley 39 and the second gear 310 are fixedly connected to the circumferential surface of the second rotating rod 37, the first belt pulley 38 and the second belt pulley 39 are in transmission connection through a connection belt, the inner lower surface of the base 1 is fixedly connected with a first slide rail 311, the inner part of the first slide rail 311 is connected with a second rack 312 in a sliding manner, one end of the second rack 312 is fixedly connected with a second pressing plate, the cylinder 31 can be opened to work, the cylinder 31 drives the movable plate 32 to perform limiting sliding on the circumferential surface of the limiting frame 2, the first rack 34 and the upper pressing plate 33 displace along with the position of the movable plate 32, the first rack 34 displaces to a proper position to be meshed with the first gear 36, so that the first gear 36 drives the first rotating rod 35 to rotate, the first rotating rod 35 rotates to drive the first belt pulley 38 to rotate, the first belt pulley 38 is in transmission connection with the second belt pulley 39, the second belt pulley 39 drives the second rotating rod 37 to rotate, the second rotating rod 37 rotates to drive the second gear 310 to rotate, and the second gear 310 is meshed with the second rack 312, the second rack 312 drives the lower pressing block to ascend to a proper position, double-sided pressing can be conducted on the keyboard keycap through the upper pressing plate 33 and the lower pressing plate 313, and the pressing effect is improved.

As a still further scheme of the utility model: the first rack 34 is meshed with the first gear 36, the second gear 310 is meshed with the second rack 312, the first rack 34 drives the first gear 36 to rotate, the first gear 36 drives the first rotating rod 35 to rotate, and the first belt pulley 38 is in transmission connection with the second belt pulley 39 through a connecting belt, so that the second rotating rod 37 drives the second gear 310 to rotate, and the second gear 310 drives the second rack 312 to move upwards.

As a still further scheme of the utility model: standing groove 11 and recess 12 have been seted up to base 1's upper surface, and the shape of standing groove 11 is provided with T type form, and the external diameter size and the top board 33 phase-match of standing groove 11, the internal diameter and the holding down plate 313 phase-match of standing groove 11, the external diameter size phase-match makes things convenient for top board 33 location pressfitting, and the internal diameter size phase-match makes things convenient for holding down plate 313 to carry out the pressfitting operation to the lower surface of keyboard.

As a still further scheme of the utility model: the extrusion surfaces of the upper pressing plate 33 and the lower pressing plate 313 are both fixed with extrusion pads made of elastic materials, so that the keyboard keycaps are protected during pressing operation.

As a still further scheme of the utility model: protection machanism 4 includes second slide rail 41, slide bar 42, connecting rod 43 and guard flap 44, the interior lower surface fixedly connected with second slide rail 41 of base 1, the inside sliding connection of second slide rail 41 has slide bar 42, the back fixedly connected with connecting rod 43 of slide bar 42, the other end of connecting rod 43 and the preceding fixed connection of second rack 312, the one end fixedly connected with guard flap 44 of slide bar 42, when second rack 312 takes place to remove, second rack 312 passes through connecting rod 43 and slide bar 42 fixed connection, make second rack 312 rise and drive slide bar 42 and slide the inside slip of second slide rail 41 and rise, slide bar 42 drives guard flap 44 and rises and play the effect of protection.

As a still further scheme of the utility model: the protective baffle 44 is made of transparent material, and the size of the protective baffle is matched with that of the groove 12, so that the pressing operation process can be conveniently observed.

The working principle of the utility model is as follows:

when the device is used, the cylinder 31 can be opened to work, the cylinder 31 drives the movable plate 32 to perform limiting sliding on the circumferential surface of the limiting frame 2, the first rack 34 and the upper pressing plate 33 displace along with the position of the movable plate 32, the first rack 34 displaces to a proper position to be meshed with the first gear 36, so that the first gear 36 drives the first rotating rod 35 to rotate, the first rotating rod 35 rotates to drive the first belt pulley 38 to rotate, the first belt pulley 38 is in transmission connection with the second belt pulley 39 through a connecting belt, so that the second belt pulley 39 drives the second rotating rod 37 to rotate, the second rotating rod 37 rotates to drive the second gear 310 to rotate, the second gear 310 is meshed with the second rack 312, so that the second rack 312 drives the lower pressing block to ascend to a proper position, and the keyboard key caps can be pressed on two sides through the upper pressing plate 33 and the lower pressing plate 313, the pressing effect is improved, when the second rack 312 moves, the second rack 312 is fixedly connected with the sliding rod 42 through the connecting rod 43, so that the second rack 312 rises to drive the sliding rod 42 to slide and rise in the second sliding rail 41, and the sliding rod 42 drives the protective baffle 44 to rise to play a protective role.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a notebook keyboard key cap compression fittings, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with a limiting frame (2), the upper surface of the limiting frame (2) is provided with a pressing mechanism (3), a protection mechanism (4) is arranged inside the base (1), the pressing mechanism (3) comprises a cylinder (31), a movable plate (32), an upper pressure plate (33), a first rack (34), a first rotating rod (35), a first gear (36), a second rotating rod (37), a first belt pulley (38), a second belt pulley (39), a second gear (310), a first sliding rail (311), a second rack (312) and a lower pressure plate (313), the cylinder (31) is fixedly connected with the upper surface of the limiting frame (2), the movable plate (32) is slidably connected with the circumferential surface of the limiting frame (2), the upper surface of the movable plate (32) is fixedly connected with the movable end of the cylinder (31), the upper surface of the movable plate (32) is fixedly connected with the upper pressure plate (33), the utility model discloses a portable computer base, including base (1), the inside rotation of fly leaf (32) is connected with first bull stick (35) and second bull stick (37), the first belt pulley of periphery fixedly connected with (38) and first gear (36) of first bull stick (35), the periphery fixedly connected with second belt pulley (39) and second gear (310) of second bull stick (37), first belt pulley (38) is connected through the connecting band transmission with second belt pulley (39), the first slide rail of interior lower fixed surface fixedly connected with (311) of base (1), the inside sliding connection of first slide rail (311) has second rack (312), the one end fixedly connected with second clamp plate of second rack (312).

2. The key cap pressing device for the keyboard of the notebook computer according to claim 1, wherein: the first rack (34) is intermeshed with a first gear (36) and the second gear (310) is intermeshed with a second rack (312).

3. The key cap pressing device for the keyboard of the notebook computer according to claim 2, wherein: the upper surface of the base (1) is provided with a placing groove (11) and a groove (12), the placing groove (11) is T-shaped, the outer diameter of the placing groove (11) is matched with the upper pressing plate (33), and the inner diameter of the placing groove (11) is matched with the lower pressing plate (313).

4. The key cap pressing device for the keyboard of the notebook computer according to claim 3, wherein: and extrusion pads are fixed on the extrusion surfaces of the upper pressure plate (33) and the lower pressure plate (313) and are made of elastic materials.

5. The key cap pressing device for the keyboard of the notebook computer according to claim 4, wherein: protection machanism (4) include second slide rail (41), slide bar (42), connecting rod (43) and guard flap (44), the interior lower surface fixedly connected with second slide rail (41) of base (1), the inside sliding connection of second slide rail (41) has slide bar (42), the back fixedly connected with connecting rod (43) of slide bar (42), the other end of connecting rod (43) and the preceding fixed connection of second rack (312), the one end fixedly connected with guard flap (44) of slide bar (42).

6. The key cap pressing device for the keyboard of the notebook computer according to claim 5, wherein: the protective baffle (44) is made of transparent materials, and the size of the protective baffle is matched with that of the groove (12).