CN218004690U - Keyboard key convenient to dismantle - Google Patents

Abstract

The utility model relates to a keyboard button technical field especially relates to a keyboard button convenient to dismantle, including circuit board bottom plate, circuit board bottom plate upper end fixed mounting has the sleeve, circuit board bottom plate upper end center department fixed mounting has first spring, establish in the sleeve in the first spring, the sleeve top is provided with the key cap, stop gear includes the fixed block, fixed block and fixed disk fixed connection, lower tip fixed mounting has the slider under the fixed block, lower tip fixed mounting has the piece of accomodating under the fixed disk, the inside groove has been seted up on the piece lateral wall of accomodating, fixed mounting has the second spring in the inside groove inner wall, fixed mounting has the wedge on the second spring lateral wall, wedge slidable mounting is in the inside groove, the slot has been seted up to sleeve upper end, the spacing groove has been seted up on the sleeve lateral wall, the spacing groove is linked together with the slot, establish in the fixed block activity in the slot, wedge and spacing groove looks adaptation, it is more convenient to make this equipment installation dismantle when using, labor saving, the time of maintenance has been practiced thrift.

Description

Keyboard key convenient to dismantle

Technical Field

The utility model relates to a keyboard button technical field especially relates to a keyboard button convenient to dismantle.

Background

The key structure of the keyboard comprises a shell, a PCB, a switch and a key cap, wherein the shell is convexly provided with a convex column, a through hole is formed in the convex column and communicated with the inside of the shell, the PCB is arranged in the shell, the switch is arranged on the PCB, the switch is right opposite to the through hole, the key cap is arranged on the surface of the shell, a pressure supporting column extends out of the bottom of the key cap, and the pressure supporting column extends into the through hole and presses on the switch in a supporting manner.

As disclosed in the chinese patent: novel button and keyboard, open no: CN211743020U, the utility model provides a novel key, when sliding core subassembly pressurized removal to slide channel, sliding core subassembly's both sides extrude the movable contact end of first sound production spare and the movable contact end of second sound production spare respectively, make movable contact end and stationary contact end collision form and send the sound, thereby form the button and feel, such sound production structural design, make full use of the inner space of button, it is big in order to solve present sound production structure occupation space, the sound is little, can't be applied to the problem of frivolous button, nevertheless this button dismantles the degree of difficulty great when using, lead to being difficult to effectively the deashing to button inside in the use, thereby damage the button easily under long-term use, the service life thereof is reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a keyboard key convenient to disassemble.

In order to solve the technical problem, the utility model provides a following technical scheme: a keyboard key convenient to disassemble comprises a circuit board bottom plate, wherein a sleeve is fixedly installed at the upper end part of the circuit board bottom plate, a first spring is fixedly installed at the center of the upper end part of the circuit board bottom plate, the first spring is arranged in the sleeve, a key cap is arranged above the sleeve, a connecting block is fixedly installed at the lower end part of the key cap, and a fixed disc is fixedly installed at the lower end part of the connecting block;

a limiting mechanism is fixedly arranged on the side wall of the fixed disc;

the limiting mechanism comprises a fixed block, the fixed block is fixedly connected with the fixed disc, and a sliding block is fixedly mounted at the lower end of the fixed block.

The upper end part of the circuit board bottom plate is fixedly provided with a dustproof mechanism;

the dustproof mechanism comprises a dustproof cover, the dustproof cover is fixedly connected with the circuit board bottom plate, the sleeve is located inside the dustproof cover, a first annular groove is formed in the upper end portion of the dustproof cover, and a second annular groove is formed in the inner wall of the first annular groove.

The lower end of the fixed disc is fixedly provided with a containing block, the side wall of the containing block is provided with an inner groove, and the inner wall of the inner groove is fixedly provided with a second spring.

As a preferred technical scheme of the utility model, fixed mounting has the wedge on the second spring lateral wall, wedge slidable mounting is in the inside groove, the spout has been seted up to wedge upper end, slider slidable mounting is in the spout.

As a preferred technical scheme of the utility model, fixed mounting has the third spring in the second annular groove inner wall, third spring upper end fixed mounting has solid fixed ring, gu fixed ring slidable mounting is in the second annular groove.

As a preferred technical scheme of the utility model, solid fixed ring upper end fixed mounting has the lifter ring, lifter ring slidable mounting is in first ring channel.

As a preferred technical scheme of the utility model, the slot has been seted up to sleeve upper end, the spacing groove has been seted up on the sleeve lateral wall, the spacing groove is linked together with the slot, establish in the slot in the fixed block activity, wedge and spacing groove looks adaptation.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

firstly, the equipment is more convenient to install and disassemble when in use, saves labor and saves the time for overhauling.

Secondly, this equipment has further strengthened the resilience effect, and through the design of dust cover and lift ring for it possesses good dustproof effect.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the three-dimensional explosion structure of the present invention;

FIG. 3 is a schematic view of the fixed disk connection explosion structure of the present invention;

fig. 4 is a schematic view of the dust cover connection explosion structure of the present invention.

Wherein: 11. a circuit board base plate; 12. a sleeve; 13. a slot; 14. a limiting groove; 15. a first spring; 16. a keycap; 17. connecting blocks; 18. fixing the disc; 21. a fixed block; 22. a slider; 23. receiving the block; 24. an inner tank; 25. a second spring; 26. a wedge block; 27. a chute; 31. a dust cover; 32. a first annular groove; 33. a second annular groove; 34. a third spring; 35. a fixing ring; 36. a lifting ring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, 2, 3 and 4, a keyboard key convenient to disassemble includes a circuit board base plate 11, a sleeve 12 is fixedly installed at the upper end of the circuit board base plate 11, a first spring 15 is fixedly installed at the center of the upper end of the circuit board base plate 11, the first spring 15 is arranged in the sleeve 12, a key cap 16 is arranged above the sleeve 12, a connecting block 17 is fixedly installed at the lower end of the key cap 16, and a fixing disc 18 is fixedly installed at the lower end of the connecting block 17;

a limiting mechanism is fixedly arranged on the side wall of the fixed disc 18;

the limiting mechanism comprises a fixed block 21, the fixed block 21 is fixedly connected with a fixed disc 18, a sliding block 22 is fixedly arranged at the lower end part of the fixed block 21, a receiving block 23 is fixedly arranged at the lower end part of the fixed disc 18, an inner groove 24 is arranged on the side wall of the receiving block 23, a second spring 25 is fixedly arranged in the inner wall of the inner groove 24, a wedge block 26 is fixedly arranged on the side wall of the second spring 25, the wedge block 26 is slidably arranged in the inner groove 24, a slot 13 is arranged at the upper end part of a sleeve 12, a limiting groove 14 is arranged on the side wall of the sleeve 12, the limiting groove 14 is communicated with the slot 13, the fixed block 21 is movably arranged in the slot 13, the wedge block 26 is matched with the limiting groove 14, a sliding groove 27 is arranged at the upper end part of the wedge block 26, the sliding block 22 is slidably arranged in the sliding groove 27, the fixed block 21 can be inserted into the slot 13 in an aligning manner when the fixed block 21 drives the wedge block 26 to move downwards to be contacted with the slot 13, at the moment, the wedge block 26 is under the action of extrusion force, the wedge block 26 is pushed to slide in the inner groove 24 under the action of the extrusion force, at the moment, the wedge block 26 drives the second spring 25 fixed with the wedge block to deform, when the wedge block 26 slides into the limiting groove 14 from the slot 13, the second spring 25 recovers deformation to eject the wedge block 26 into the limiting groove 14, at the moment, the fixed disk 18 is in contact with the first spring 15 to complete installation, otherwise, disassembly is completed, when the wedge block is used, the keycap 16 is pressed downwards, the fixed disk 18 fixed with the key block 16 through the connecting block 17 is driven to slide downwards in the sleeve 12 under the movement of the keycap 16, at the moment, the first spring 15 is extruded to deform under the sliding of the fixed disk 18, when the fixed disk 18 is in contact with a circuit board in the circuit board bottom plate 11, an instruction is completed, after the keycap 16 is released, the first spring 15 drives the fixed disk to complete reset, so that the device is more convenient to install and disassemble in use, labor is saved, and the maintenance time is saved.

The upper end part of the circuit board bottom plate 11 is fixedly provided with a dustproof mechanism;

the dustproof mechanism comprises a dustproof cover 31, the dustproof cover 31 is fixedly connected with the circuit board bottom plate 11, the sleeve 12 is located inside the dustproof cover 31, a first annular groove 32 is formed in the upper end portion of the dustproof cover 31, a second annular groove 33 is formed in the inner wall of the first annular groove 32, a third spring 34 is fixedly installed in the inner wall of the second annular groove 33, a fixing ring 35 is fixedly installed at the upper end portion of the third spring 34, the fixing ring 35 is slidably installed in the second annular groove 33, a lifting ring 36 is fixedly installed at the upper end portion of the fixing ring 35, the lifting ring 36 is slidably installed in the first annular groove 32, after the device is installed, the keycap 16 is in contact with the lifting ring 36, when the keycap 16 moves downwards, the lifting ring 36 slides downwards inside the first annular groove 32 under the movement of the keycap 16, the fixing ring 35 fixed with the lifting ring is driven to slide inside the second annular groove 33 under the movement of the lifting ring 36, the fixing ring 35 presses the third spring 34 fixed with the fixing ring to deform, after the keycap 16 is loosened, the third spring 34 recovers elasticity, the rebound effect of the device is further enhanced, and the design of the dustproof cover 31 and the lifting ring 36 is good in effect.

The working principle is as follows:

the first step is as follows: during installation, the fixing block 21 can be inserted into the slot 13 in an aligned mode, when the fixing block 21 drives the wedge block 26 to move downwards to be in contact with the slot 13, at the moment, the wedge block 26 is under the action of extrusion force, the wedge block 26 is pushed to slide in the inner groove 24 under the action of extrusion force, at the moment, the wedge block 26 drives the second spring 25 fixed with the wedge block to deform, when the wedge block 26 slides into the limiting groove 14 from the slot 13, the second spring 25 recovers deformation to eject the wedge block 26 into the limiting groove 14, at the moment, the fixing disc 18 is in contact with the first spring 15, installation is completed, otherwise, disassembly is completed, when the key cap 16 is pressed downwards, the fixing disc 18 fixed with the key cap 16 through the connecting block 17 is driven to slide downwards in the sleeve 12 under the movement of the key cap 16, at the moment, the first spring 15 is extruded under the sliding of the fixing disc 18 to deform, when the fixing disc 18 is in contact with a circuit board bottom board 11, an instruction is completed, after the key cap 16 is loosened, the first spring 15 drives the fixing disc to complete reset, the device, the installation and disassembly are convenient and labor-saving time during use, and the maintenance time are saved.

The second step is that: after the equipment is installed, the key cap 16 contacts with the lifting ring 36 at the moment, when the key cap 16 moves downwards, the lifting ring 36 is extruded downwards in the first annular groove 32 under the movement of the key cap 16, the fixing ring 35 fixed with the lifting ring 36 is driven to slide in the second annular groove 33 under the movement of the lifting ring 36, the third spring 34 fixed with the fixing ring 35 is extruded to deform at the moment, the third spring 34 recovers elasticity after the key cap 16 is loosened, the rebound effect of the equipment is further enhanced, and the dustproof effect is good through the design of the dustproof cover 31 and the lifting ring 36.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims (6)

1. The utility model provides a keyboard button convenient to dismantle, includes circuit board bottom plate (11), circuit board bottom plate (11) upper end fixed mounting has sleeve (12), its characterized in that: a first spring (15) is fixedly installed in the center of the upper end of the circuit board bottom plate (11), the first spring (15) is arranged in the sleeve (12), a keycap (16) is arranged above the sleeve (12), a connecting block (17) is fixedly installed at the lower end of the keycap (16), and a fixed plate (18) is fixedly installed at the lower end of the connecting block (17);

a limiting mechanism is fixedly arranged on the side wall of the fixed disc (18);

the limiting mechanism comprises a fixed block (21), the fixed block (21) is fixedly connected with the fixed disc (18), and a sliding block (22) is fixedly mounted at the lower end part of the fixed block (21);

the upper end part of the circuit board bottom plate (11) is fixedly provided with a dustproof mechanism;

dustproof mechanism includes dust cover (31), dust cover (31) and circuit board bottom plate (11) fixed connection, sleeve (12) are located inside dust cover (31), first ring channel (32) have been seted up to dust cover (31) upper end, second ring channel (33) have been seted up in first ring channel (32) inner wall.

2. The keyboard key convenient for disassembly as claimed in claim 1, wherein the lower end of the fixing plate (18) is fixedly provided with a receiving block (23), the side wall of the receiving block (23) is provided with an inner groove (24), and the inner wall of the inner groove (24) is fixedly provided with a second spring (25).

3. The keyboard key convenient to disassemble as claimed in claim 2, wherein a wedge block (26) is fixedly installed on the side wall of the second spring (25), the wedge block (26) is slidably installed in the inner groove (24), a sliding groove (27) is formed at the upper end of the wedge block (26), and the sliding block (22) is slidably installed in the sliding groove (27).

4. A keyboard keystroke facilitating disassembly as claimed in claim 1, characterized in that a third spring (34) is fixedly installed in the inner wall of the second annular groove (33), a fixing ring (35) is fixedly installed at the upper end of the third spring (34), and the fixing ring (35) is slidably installed in the second annular groove (33).

5. The keyboard key convenient for disassembly as claimed in claim 4, wherein the upper end of the fixing ring (35) is fixedly provided with a lifting ring (36), and the lifting ring (36) is slidably arranged in the first annular groove (32).

6. The keyboard key convenient to disassemble as claimed in claim 3, wherein the sleeve (12) is provided with a slot (13) at the upper end, the sleeve (12) is provided with a limit groove (14) on the side wall, the limit groove (14) is communicated with the slot (13), the fixing block (21) is movably arranged in the slot (13), and the wedge block (26) is matched with the limit groove (14).

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