CN210167296U

CN210167296U - Mechanical shaft key

Info

Publication number: CN210167296U
Application number: CN201921138208.4U
Authority: CN
Inventors: 王红生; 张伟
Original assignee: Huizhou Yuantai Electronics Co Ltd
Current assignee: Huizhou Yuantai Electronics Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-03-20
Anticipated expiration: 2029-07-19

Abstract

The utility model relates to the technical field of keys, in particular to a mechanical shaft key, which comprises a pressing key and a base, wherein a spring for bouncing the pressing key is arranged between the pressing key and the base; a conduction assembly and a sound production assembly are also arranged between the pressing key and the base; the conducting assembly comprises a fixed terminal and a contact terminal which are fixedly arranged on the base, and a first abutting block formed on the side surface of the pressing key; the sounding component comprises an elastic piece fixedly arranged on the base, a limiting block formed on the base and a second abutting block formed on the side face of the pressing key. The utility model aims to provide a mechanical axis button, through the improvement to button inside conduction assembly and sound production subassembly, reduce the preparation process, reduction in production cost simplifies the structure of conduction assembly, slows down the loss in the button use, and the sound production subassembly is more succinct, does benefit to the equipment.

Description

Mechanical shaft key

Technical Field

The utility model relates to a button technical field especially relates to a mechanical axis button.

Background

The common keyboards on the market are divided into two types, one is a common thin film type keyboard, and the other is a mechanical type keyboard. The mechanical keyboard is different from a film keyboard in that each key of the mechanical keyboard is an independent switch, and the inside of the switch is also controlled by a metal reed, so that the service life of the film keyboard is longer, and the mechanical keyboard is accepted by more and more people along with the rise of the electronic competition industry and the higher requirements of people on the hand feeling, the comfort level and the quality of the keyboard in recent years.

At present, the common key structure internal conduction assembly is processed and assembled in a plurality of processes, the mode not only can improve the cost, the efficiency and the yield of products in the production process due to the increase of the manufacturing process, the increased production cost, but also can reduce the service life of the key due to the fact that the loss of the key in the use process is improved by the combination of multiple structures. In addition, the sounding part of the mechanical shaft key is matched with the cavity to realize sounding, the problems of complex structure, high assembly difficulty and large volume exist, and for some light and thin products such as a thin keyboard, a thin mouse and the like, the key structure adopting the sounding part cannot be installed due to space limitation, so that the hand feeling and the sound feeling experience are obviously insufficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mechanical axis button, through the improvement to button inside conduction assembly and sound production subassembly, reduce the preparation process, reduction in production cost simplifies the structure of conduction assembly, slows down the loss in the button use, and the sound production subassembly is more succinct, does benefit to the equipment.

In order to achieve the above object, the present invention provides a mechanical shaft key, which includes a pressing key and a base, wherein a spring is disposed between the pressing key and the base for making the pressing key bounce; a conduction assembly and a sound production assembly are also arranged between the pressing key and the base;

the conducting assembly comprises a fixed terminal and a contact terminal which are fixedly arranged on the base, and a first abutting block formed on the side surface of the pressing key;

the sounding assembly comprises an elastic piece fixedly arranged on the base, a limiting block formed on the base and a second abutting block formed on the side surface of the pressing key;

the conduction assembly and the sounding assembly are arranged outside a pressing path of the pressing key.

Preferably, the fixed terminal is fixedly arranged on the base, and the part exposed out of the base is a static contact; the contact terminal comprises a U-shaped elastic sheet, and a connecting end and a contact end which are respectively positioned at two ends of the elastic sheet; the connecting end is fixedly arranged on the base, and the contact end is integrally provided with a guide block and a movable contact; the guide block is positioned on a moving path of the first abutting block, and the movable contact is opposite to the fixed contact.

Preferably, the elastic part of the sound production assembly comprises an arc-shaped elastic part, and a fixed rod and a leaning rod which are respectively formed at two ends of the elastic part; the abutting rod extends along the end direction of the elastic body and is abutted against the limiting block of the base in a direction opposite to the pressing direction of the pressing key; the fixing rod and the end direction of the elastic body are arranged in an angle mode and fixed on the base.

Preferably, the device further comprises a cover body covering the base; a through hole for the pressing key to pass through is formed in the cover body; the cover body covers the base to form a containing cavity for containing the pressing key, the conduction assembly and the sound production assembly.

Preferably, the second abutting block abuts against an abutting rod of the elastic piece; the second abutting block is wedge-shaped and comprises a guide inclined plane in the same direction as the bouncing direction of the abutting rod and a pressing surface in the reverse bouncing direction.

Preferably, the guide inclined plane and the pressing surface form a taper shape, and the gradient of the pressing surface is greater than that of the guide inclined plane.

Preferably, the base and the pressing key are provided with guide posts embedded in the spring at opposite positions.

Preferably, a guide hole into which another guide post is inserted is provided in the guide post of the base or the pressing key.

Preferably, two opposite side edges of the cover body are respectively provided with a buckle; the base is provided with a clamping table in a buckling manner with the buckle.

Preferably, a fool-proof rib is formed on the side surface of the pressing key; a fool-proof notch matched with the fool-proof convex rib is formed at the side edge of the through hole of the cover body.

Compared with the prior art, the beneficial effects of the utility model reside in that: the contact terminal in the conduction assembly and the guide block on the contact terminal are integrally arranged, so that the number of assembly parts of the key is reduced, the production efficiency of the key is improved, the loss of the key in the use process can be reduced by the integrally arranged guide block, and the service life of the key is prolonged; the elastic part of the sounding component is simple in structure, the base is not required to be provided with a complex assembly structure, and the sounding component has the advantages of being simple in structure and convenient to assemble.

Drawings

Fig. 1 is a schematic view of a mechanical shaft key combination state according to an embodiment of the present invention;

fig. 2 is an exploded view of a mechanical shaft key according to an embodiment of the present invention;

fig. 3 is a schematic view of a key pressing structure in a mechanical shaft key according to an embodiment of the present invention;

fig. 4 is a schematic view of a contact terminal structure in a mechanical shaft key according to an embodiment of the present invention;

FIG. 5 is a schematic view of an elastic member in a mechanical shaft key according to an embodiment of the present invention;

fig. 6 is a schematic view of a base structure in a mechanical shaft key according to an embodiment of the present invention.

Wherein: 10. pressing a key; 11. a first abutment block; 12. a second abutment block; 20. a base; 21. a limiting block; 22. a boss; 30. a cover body; 40. a spring; 50. a conducting component; 51. a fixed terminal; 52. a contact terminal; 521. a spring plate; 522. a connecting end; 523. a contact end; 524. a guide block; 525. a movable contact; 526. a reinforcing bead; 60. a sound producing assembly; 61. an elastic member; 611. an elastic portion; 612. fixing the rod; 613. against the rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the word is used in the upper and lower, left and right, preceding, back, inside and outside etc. position that the characters appear or are about to appear, only with the utility model discloses an attached drawing is the benchmark, and it is not the utility model discloses a specifically prescribe a limit.

Example 1

At present, a common key structure is internally provided with a conducting component which is processed and assembled in a plurality of procedures, for example, a contact terminal in the conducting component is integrally made of metal, and a part which is contacted with a pressing key is made of an injection molding part; in addition, the sounding part of the mechanical shaft key realizes sounding by adopting the matching between the torsion spring and the cavity, and the problems of complex structure, high assembly difficulty and large volume exist.

Referring to fig. 1-6, the present embodiment provides a mechanical axis key, which includes a pressing key 10 and a base 20, as in the conventional key. The push key 10 is provided on the base 20, and a spring 40 for urging the push key 10 is provided between the push key 10 and the base 20.

In order to realize the key pressing conduction and the sound production effect, a conduction assembly 50 and a sound production assembly 60 are further arranged between the pressing key 10 and the base 20, and the conduction assembly 50 and the sound production assembly 60 are both arranged outside the pressing path of the pressing key 10.

In particular, the method comprises the following steps of,

the conduction assembly 50 includes a fixed terminal 51 and a contact terminal 52 fixedly provided on the base 20, and a first abutment block 11 formed at a side surface of the push key 10. Wherein, the base 20 is provided with a hollow structure outside the row path of the pressing key 10, and the fixed terminal 51 and the contact terminal 52 are directly placed at the hollow structure of the base 20 in the assembling process.

The fixed terminal 51 is fixedly mounted on the base 20, and the portion exposed outside the base 20 is a stationary contact. The contact terminal 52 includes a U-shaped spring plate 521, and a connecting end 522 and a contact end 523 respectively located at two ends of the spring plate 521, the connecting end 522 and the contact end 523 are integrally disposed, the spring plate 521 may be arc-shaped or triangular, and the connecting end 522 is fixedly mounted on the hollow structure of the base 20.

When the press key 10 is pressed, the first abutting block 11 abuts against the contact end 523, so that the contact end 523 is in contact with the stationary contact of the fixed terminal 51, and the trigger function of the press key can be realized; when the pressing key 10 is released, the pressing key 10 bounces under the action of the spring 40, the first abutting block 11 is separated from the contact end 523 of the contact terminal 52, and at the moment, the contact end 523 is separated from the stationary contact of the fixed terminal 51 under the action of the spring piece 521, so that the recovery function of the key is realized.

It should be noted that the first abutting block 11 may adopt a guiding groove manner, a guiding groove corresponding to the contact end 523 is disposed on a side of the pressing key 10, when the pressing key 10 is in an unpressed state, the contact end 523 and the stationary contact of the fixed terminal 51 are kept in a disengaged state, and after the pressing key 10 is pressed, the guiding groove abuts against the contact end 523, so that the contact end 523 is deformed to be in contact with the stationary contact of the fixed terminal 51.

In the contact terminal 52 of current button, the part that contacts with the first piece 11 that leans on of pressing key 10 adopts the injection molding, and the injection molding combines with the metal material, presses key 10 and is pressing the in-process repeatedly, and first piece 11 that leans on produces wearing and tearing to the injection molding, and then influences the life of button. For this reason, in the present embodiment, the guide block 524 and the movable contact 525 are integrally provided on the contact terminal 523, wherein the guide block 524 is located on the moving path of the first abutting block 11 and the movable contact 525 is aligned with the stationary contact.

When the push key 10 is pushed, the first abutment block 11 of the push key 10 contacts with the guide block 524 of the contact terminal 52, and the contact between the contact terminal 523 and the stationary contact is controlled according to the change of the pushing stroke, thereby generating an on-off function. The guide block 524 is integrally arranged with the contact terminal 52, the guide block 524 formed by stamping can be arranged on the contact terminal 52 by stamping, the guide block is protruded from the contact end 523, in order to ensure the strength of the guide block, the service life of the guide block is prolonged, the guide block 524 can be provided with the reinforcing convex rib 526, the reinforcing convex rib 526 can improve the strength of the guide block 524, the first abutting block 11 of the press key 10 is prevented from damaging the press key, the contact terminal 52 integrally arranged is adopted, the assembling process of the conduction assembly 50 is reduced, the risk of waste product generation is reduced, the production cost is reduced, meanwhile, in the key use process, the integrally arranged mode is smaller than the combined mode, the loss between the parts of the conduction assembly 50 is smaller, the loss efficiency of the key is reduced, and the service life of the key is prolonged.

The mechanical shaft key with the structure has the advantages that the pressing life can be prolonged to more than 5000 ten thousand times, the hand is pressed smoothly, clearly and sensitively, and the mechanical switch contact mode is more stable, longer in service life and less in hand feeling attenuation than the existing contact mode controlled by a circuit.

As the mechanical axis key, the present embodiment needs to have a key sound generating function, and the sound generating assembly 60 includes an elastic member 61 fixedly disposed on the base 20, a limiting block 21 formed on the base 20, and a second abutting block 12 formed on a side surface of the pressing key 10.

The elastic member 61 of the sounding module 60 includes an elastic part 611 having an arc shape, a fixing rod 612 and an abutting rod 613 respectively formed at both ends of the elastic part 611. The abutting rod 613 extends along the end of the elastic part 611, and the key 10 is pressed in the opposite direction and bounces against the stop block 21 of the base 20; the fixing rod 612 is disposed at an angle to the end of the elastic part 611 and fixed on the base 20; the second abutment block 12 abuts on the abutment bar 613. The elastic member 61 is mounted vertically, and a groove into which the fixing rod 612 is inserted is formed in the base 20 so that the elastic member 61 is fixed to the base 20.

The second abutting block 12 is provided on the push key 10, and when the second abutting block 12 moves downward along with the push key 10, the abutting rod 613 of the elastic member 61 is pressed downward, and when the second abutting block 12 is pressed down to a specific position, the abutting rod 613 is separated from the second abutting block 12, and the elastic member 611 rebounds to collide with the stopper 21 of the base 20, thereby generating a crisp sound.

In order to realize the above-mentioned disengagement and rebound process of the abutting rod 613, the second abutting block 12 is wedge-shaped and includes a guide slope surface in the same direction as the bouncing direction of the abutting rod 613 and a pressing surface in the opposite bouncing direction. And the guide inclined plane and the pressing surface form a taper shape, and the gradient of the pressing surface is greater than that of the guide inclined plane.

During the pressing process of the pressing key 10, the pressing surface of the second abutting block 12 contacts with the abutting rod 613 of the elastic member 61 and completes the pressing action on the abutting rod 613; since the pressing surface is an inclined surface, when the abutting rod 613 moves to the pointed cone of the second abutting block 12 along with the slope of the pressing surface, the abutting rod 613 has no pipe position structure, and then bounces up to the limiting block 21 along the guiding inclined surface under the action of the elastic part 611, and the abutting rod 613 makes a sound after striking on the limiting block 21.

According to the mechanical shaft key with the structure, the elastic piece 61 collides with the limiting block 21 of the base 20 under the action of the pressing key 10 to make a crisp sound, and the elastic piece 61 is different from a general torsion spring of the existing mechanical shaft key and has the characteristics of simple structure, low production cost, firmness and durability.

In summary, in the present embodiment, the contact terminal 52 in the conduction assembly 50 and the guiding block 524 on the contact terminal 52 are integrally arranged, so that the number of assembly components of the key is reduced, the key production efficiency is improved, and the integrally arranged guiding block 524 can reduce the loss of the key in the use process and prolong the service life of the key; the elastic part 61 of the sound generating component 60 has a simple structure, and the base 20 does not need a complex assembly structure, and has the characteristics of simple structure and convenient assembly.

Example 2

Referring to fig. 1-6, the present embodiment provides a mechanical shaft key, which generally includes a pressing key 10 and a base 20, wherein the pressing key 10 is disposed on the base 20, and a spring 40 for bouncing up the pressing key 10 is disposed between the pressing key 10 and the base 20.

In order to realize the key pressing conduction and the sound production effect, a conduction assembly 50 and a sound production assembly 60 are further arranged between the pressing key 10 and the base 20, and the conduction assembly 50 and the sound production assembly 60 are both arranged outside the pressing path of the pressing key.

As a further improvement of the technical solution, the present embodiment further includes a cover 30 covering the base 20. The cover 30 covers the base 20, and a through hole for the key 10 to pass through is formed in the cover 30, and the shape of the through hole matches with the outline of the key 10. In order to facilitate the assembly of the cap body 30 and the pressing key 10, a fool-proof rib is formed on the side surface of the pressing key 10, and a fool-proof notch matched with the fool-proof rib is formed at the side edge of the through hole of the cap body 30.

The cover 30 covers the base 20 to form a cavity for accommodating the pressing key 10, the conduction assembly 50 and the sound generating assembly 60. The cover 30 has a limiting function, so that the pressing key 10, the conduction assembly 50 and the sounding assembly 60 are limited in the accommodating cavity. The bottom of the pressing key 10 is provided with a limit step, thereby controlling the stroke of the pressing key 10.

In the connection structure between the cover 30 and the base 20, two opposite sides of the cover 30 are respectively provided with a buckle; a fastening table is provided on the base 20 to be fastened to the fastener.

The cooperation between lid 30 and the base 20 adopts the knot bit architecture, and lid 30 is installed downwards, and the buckle of lid 30 carries out the lock with the ka tai of base 20, and the equipment plays the effect of fixed whole product between lid 30 and the base 20, and the buckle of lid 30 cooperatees with the ka tai of base 20 and plays fixed effect, and lid 30 still plays the effect of the height that the restriction was pressed key 10 and is kick-backed. The original multi-point buckling mode is abandoned by the buckle, and the adopted large buckling mode can better and more firmly play a role in fixing the whole product.

Example 3

In order to improve the stability of the pressing process of the pressing key 10, the present embodiment is different from the above embodiments in that there are guide posts embedded in the spring 40 at the opposite positions on the base 20 and the pressing key 10, and a guide hole for inserting another guide post is provided on the base 20 or the guide post on the pressing key 10.

The guide posts on the key 10 can be inserted into the guide holes on the base 20, effectively limiting the movement range of the key 10, and being beneficial to the stability of key pressing.

Example 4

In the application of mechanical keyboard, mechanical axis button often embeds there is the light emitting source, improves mechanical keyboard's whole aesthetic property and practicality, and for this reason, in this embodiment, lid 30 is made for transparent material to be provided with transparent material's boss 22 below base 20, boss 22 just to the light emitting source of embeds, boss 22 can play the effect that increases spotlight intensity, improves the luminous effect of mechanical axis button.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments belong to the scope of the technical solution of the present invention.

Claims

1. A mechanical shaft key comprises a pressing key and a base, wherein a spring for bouncing the pressing key is arranged between the pressing key and the base; the method is characterized in that: a conduction assembly and a sound production assembly are also arranged between the pressing key and the base;

2. The mechanical axle key of claim 1, wherein: the fixed terminal is fixedly arranged on the base, and the part exposed out of the base is a static contact; the contact terminal comprises a U-shaped elastic sheet, and a connecting end and a contact end which are respectively positioned at two ends of the elastic sheet; the connecting end is fixedly arranged on the base, and the contact end is integrally provided with a guide block and a movable contact; the guide block is positioned on a moving path of the first abutting block, and the movable contact is opposite to the fixed contact.

3. The mechanical axle key of claim 2, wherein: the elastic piece of the sounding assembly comprises an arc-shaped elastic part, and a fixed rod and a propping rod which are respectively formed at two ends of the elastic part; the abutting rod extends along the end direction of the elastic body and is abutted against the limiting block of the base in a direction opposite to the pressing direction of the pressing key; the fixing rod and the end direction of the elastic body are arranged in an angle mode and fixed on the base.

4. The mechanical axle key of claim 3, wherein: the base is provided with a base; a through hole for the pressing key to pass through is formed in the cover body; the cover body covers the base to form a containing cavity for containing the pressing key, the conduction assembly and the sound production assembly.

5. The mechanical axle key of claim 3, wherein: the second abutting block abuts against the abutting rod of the elastic piece; the second abutting block is wedge-shaped and comprises a guide inclined plane in the same direction as the bouncing direction of the abutting rod and a pressing surface in the reverse bouncing direction.

6. The mechanical axle key of claim 5, wherein: the guide inclined plane and the pressing surface form a taper shape, and the gradient of the pressing surface is greater than that of the guide inclined plane.

7. The mechanical axle key of claim 1, wherein: the opposite positions of the base and the pressing key are provided with guide posts embedded in the spring.

8. The mechanical axle key of claim 7, wherein: and a guide hole for inserting another guide post is arranged on the guide post on the base or the pressing key.

9. The mechanical axle key of claim 4, wherein: the two opposite side edges of the cover body are respectively provided with a buckle; the base is provided with a clamping table in a buckling manner with the buckle.

10. The mechanical axle key of claim 4, wherein: a foolproof rib is formed on the side surface of the pressing key; a fool-proof notch matched with the fool-proof convex rib is formed at the side edge of the through hole of the cover body.