Integrated shaft body without upper cover

By adopting an integrated, coverless switch design and a wedge-shaped locking structure, the problem of poor key stability and consistency in existing keyboards has been solved, achieving a user experience with high key stability and low noise.

CN223527048UActive Publication Date: 2025-11-07SHENZHEN YOUZHONG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423099130.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-07
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The existing keyboard key base and top cover are separate structures, which results in poor fit and tolerance consistency. Dust can easily enter the button slots, affecting the stability of the key switches and the user experience.

Method used

It adopts an integrated coverless shaft design, with the button and base molded as one piece. The limiting bracket is set on the inner wall of the base cavity, and the buckle is designed with a wedge structure. Combined with the reset spring and the buffer bracket, it can prevent dust from entering and reduce noise.

Benefits of technology

It improves the stability and consistency of push-button switches, reduces production costs, enhances button smoothness and user experience, and reduces noise.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223527048U_ABST
    Figure CN223527048U_ABST
Patent Text Reader

Abstract

The utility model relates to an integrated shaft body without an upper cover, which comprises a button and an integrated base, a cavity is arranged in the base, a window is arranged at the top of the cavity, the button is connected with the base in a sliding manner, the upper part of the button penetrates out of the window, and a reset spring for resetting the pressed button is connected in the cavity of the base; the side face of the button is provided with a button position, the bottom of the button position is provided with a big-end-up wedge-shaped part, the inner side of the cavity of the base corresponding to the button position of the button is provided with a limiting hanging table formed by grooving, and the limiting hanging table is used for abutting against the button position of the button so as to limit the button from popping out of the base. According to the key switch, the limiting hanging table formed by grooving is arranged on the side wall of the inner cavity of the base, and the side face of the button is provided with the buckling position, so that dust can be effectively prevented from entering the groove of the limiting hanging table, the smoothness of the button in the pressing process is ensured, and the stability of the key switch is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to key technology field, concretely relates to an integrated no upper cover axle body. BACKGROUND

[0002] In prior art, keyboard key generally includes button, base and upper cover, base and upper cover adopt split structure, base and upper cover are independently opened mould, and there is cooperation tolerance in later period assembly buckling, and the consistency is poor. In addition, button and base connection buckling structure in prior art is the step part formed by digging groove on the side surface of button, and the inner chamber side surface of base is provided with limiting buckling table corresponding to step part, and limiting buckling table and step part cooperate to realize that button pops out of base after button reset, and the above-mentioned connection structure has the following defects: because the step part on the button is actually a groove structure, the groove of step part is exposed, therefore dust is easy to fall into the step part of button, leading to that button slides not smoothly or even is stuck, and the stability of key switch is affected. SUMMARY

[0003] The utility model aims at overcoming the insufficient of prior art, and provides an integrated no upper cover axle body.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] An integrated no upper cover axle body, including button and integrated base, the inside of base has cavity, the top of cavity is provided with window, button is connected with base slidingly, and the upper portion of button passes out of window, the cavity of base is connected with reset spring for resetting button after pressing, the side surface of button is provided with buckling, and the bottom of buckling is provided with wedge-shaped part of small on the bottom and big on the top, the inside of cavity of base is provided with limiting hanging table formed by digging groove corresponding to the buckling of button, and limiting hanging table is used for abutting with the buckling of button to limit button to pop out of base.

[0006] Further, the limiting hanging table is trapezoidal structure of small on the top and big on the bottom.

[0007] Further, the buckling is one or more than two, when the buckling is more than two, the limiting hanging table corresponding to each buckling is formed by independent digging groove, or the limiting hanging table of each buckling shares one digging groove.

[0008] Further, the top of button is provided with cross axle body with dustproof wall structure of surrounding wall, or the top of button is provided with cross axle body without dustproof wall structure of surrounding wall.

[0009] Further, the middle part of the button extends downward and is provided with a middle column, and an inductor is fixedly sleeved in an inductor mounting groove at the bottom of the middle column; the middle part of the base is provided with a guide column arranged in the vertical direction, a guide cavity is formed by groove cutting in the guide column, and the bottom of the guide cavity is of a closed bottom structure; and the middle column and the guide cavity are in sliding sleeve connection.

[0010] Further, the outer side of the guide column is provided with an annular groove arranged around the guide column, and the lower end of the reset spring is sleeved in the annular groove.

[0011] Further, the bottom plate of the base is provided with hollowed-out positions on both sides of the guide.

[0012] Further, the side surface of the button is provided with an elastic part hooked upward, and the elastic part is higher than the buckle position; and the inner side of the cavity of the base is provided with a buffer hanging table formed by groove cutting and corresponding to the elastic part of the button.

[0013] An integrated upper cover-free shaft body comprises a button and an integrated base, the base has a cavity inside, a window is formed at the top of the cavity, the button is in sliding connection with the base, and the upper part of the button passes through the window, a reset spring for resetting the button after being pressed is connected in the cavity of the base; the middle part of the base is provided with a guide column arranged in the vertical direction, a guide cavity is formed by groove cutting in the guide column; the middle part of the button extends downward and is provided with a middle column, and an inductor is fixedly sleeved in an inductor mounting groove at the bottom of the middle column; the middle column and the guide cavity are in sliding sleeve connection; and the bottom plate of the base is provided with hollowed-out positions on both sides of the guide.

[0014] Further, the outer side of the guide column is provided with an annular groove arranged around the guide column, and the lower end of the reset spring is sleeved in the annular groove.

[0015] The above technical scheme has the following beneficial effects:

[0016] 1. The limiting hanging table formed by groove cutting is arranged on the inner cavity side wall of the base, and the side surface of the button is provided with a convex buckle position, so that dust can be effectively prevented from entering the groove of the limiting hanging table, the smoothness during the pressing process of the button is ensured, and the stability of the key switch is improved; meanwhile, a wedge-shaped part with a small upper part and a large lower part is arranged at the bottom of the buckle position, the wedge-shaped part facilitates the installation of the buckle position into the window of the base, and the wedge-shaped part can increase the strength of the buckle position, so that the button is not easily pulled out when the limiting hanging table cooperates with the limiting position.

[0017] 2. The base structure of the utility model is integrated, the split structure of the base and the cover sheet in the prior art is replaced, the production cost is reduced, the cooperation tolerance can be avoided, and the consistency is improved.

[0018] 3. In the rebound process, the elastic part (buffer point) of the button first contacts the buffer hanging table on the base, and then the buckle position of the button contacts the limiting hanging table on the base. This design can effectively avoid the buckle position (hard point) directly contacting the limiting hanging table to produce a larger noise, and improve the user's use experience;

[0019] 4. The bottom of the base is provided with a hollow position, which can avoid shrinkage of the base during injection molding production, and the hollow position can make the button impact sound lower. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further explained in detail in combination with the drawings and specific embodiments:

[0021] Figure 1 It is the sectional view and the stereogram structure schematic diagram of embodiment 1 or embodiment 5 of the utility model;

[0022] Figure 2 It is the structure schematic diagram of the base and button of embodiment 1 of the utility model;

[0023] Figure 3 It is the structure schematic diagram of the base and button of embodiment 2 of the utility model;

[0024] Figure 4 It is the structure schematic diagram of the base and button of embodiment 3 of the utility model;

[0025] Figure 5 It is the structure schematic diagram of the base and button of embodiment 4 of the utility model;

[0026] Figure 6 It is the structure schematic diagram of the base of embodiment 1 or embodiment 5. SPECIFIC EMBODIMENT

[0027] As Figures 1-6The utility model discloses an integral type upper coverless shaft body, including button 1 and integral base 2, the inside of base 2 has the cavity, is equipped with the window at the top of cavity, button 1 is connected with base 2 sliding, and the upper portion of button 1 is worn out the window, and the cavity of base 2 is connected with the reset spring 3 for the reset of button 1 after pressing, the side of button 1 is equipped with the buckle position 4, and the inside of the cavity of base 2 is equipped with the limiting hanging table 5 formed by grooving corresponding the buckle position 4 of button 1, and the limiting hanging table 5 is used for being in abutment with the buckle position 4 of button 1 to limit the ejection of button 1 base 2. Wherein, the limiting hanging table 5 is the trapezoidal structure of narrow top and big bottom. The utility model will form the limiting hanging table 5 of grooving and set up on the inner chamber side wall of base 2, and the side of button 1 is the protruding buckle position 4, and this design can effectively avoid the dust into the groove of limiting hanging table 5, guarantee the smoothness in the pressing process of button 1, improve the stability of key switch. In addition, the bottom of buckle position 4 is equipped with the wedge 41 of small top and big bottom, and the wedge 41 is convenient for buckle position 4 to be installed into the window of base 1, and the wedge can increase the strength of buckle position 4, and when cooperating with the limiting of limiting hanging table 5, the button is not easy to pull out.

[0028] The side of button 1 is equipped with the elastic part 6 that hooks up to the upwards, and the elastic part 6 is higher than the buckle position 4 setting, and the inside of the cavity of base 2 is equipped with the buffer hanging table 7 formed by grooving corresponding the elastic part 6 of button 1, and the buffer hanging table 7 is flush with the top of limiting hanging table 5, and the buffer hanging table 7 is also the trapezoidal structure of narrow top and big bottom. In the process of switch pressing recovery, because the plane of elastic part 6 is higher than the plane of button 1 buckle position 4, so the elastic part 6 of button 1 contacts buffer hanging table 7 first, and because the toughness of elastic part 6 of button 1 is high, and the stress is easy to deform, plays the buffering effect, thereby reducing the impact sound of button 1 and base 2 contact. It is to be explained that the buckle position 4 and elastic part 6 can be on the same side of button 1, and also can be on different sides. The buckle position 4 can be one or more than two, when the buckle position 4 is more than two, the limiting hanging table 5 corresponding to each buckle position 4 is formed by independent grooving, or each buckle position 4 can share a limiting hanging table 5 formed by grooving.

[0029] As Figures 1-2 The side of button 1 is equipped with the elastic part 6 that hooks up to the upwards, and the elastic part 6 is higher than the buckle position 4 setting, and the inside of the cavity of base 2 is equipped with the buffer hanging table 7 formed by grooving corresponding the elastic part 6 of button 1, and the buffer hanging table 7 is flush with the top of limiting hanging table 5, and the buffer hanging table 7 is also the trapezoidal structure of narrow top and big bottom. In the process of switch pressing recovery, because the plane of elastic part 6 is higher than the plane of button 1 buckle position 4, so the elastic part 6 of button 1 contacts buffer hanging table 7 first, and because the toughness of elastic part 6 of button 1 is high, and the stress is easy to deform, plays the buffering effect, thereby reducing the impact sound of button 1 and base 2 contact. It is to be explained that the buckle position 4 and elastic part 6 can be on the same side of button 1, and also can be on different sides. The buckle position 4 can be one or more than two, when the buckle position 4 is more than two, the limiting hanging table 5 corresponding to each buckle position 4 is formed by independent grooving, or each buckle position 4 can share a limiting hanging table 5 formed by grooving.

[0030] The top of the button 1 is provided with a cross shaft body 8 with a dustproof wall structure. The middle of the button 1 extends downward and is provided with a middle column 9. The bottom of the middle column 9 is provided with an inductive body 10 installation groove. The inductive body 10 is nested and fixed in the installation groove. The inductive body 10 can be a magnet or a metal rod. When the inductive body 10 is a magnet, the magnet cooperates with a Hall sensor to realize on-off switching. When the inductive body 10 is a metal rod, the metal rod cooperates with an inductor to realize on-off switching. The middle of the base 2 is provided with a guide column 11 arranged in the vertical direction. The guide column 11 is internally grooved to form a guide cavity 12. The middle column 9 is slidably connected to the guide cavity 12. The bottom of the guide cavity 12 can be a closed bottom structure or an unclosed bottom (with a perforation),

[0031] As shown in Figure 5 , the outer side of the guide column 11 is provided with an annular groove 13 arranged around it. The lower end of the reset spring 3 is nested in the annular groove 13. The annular groove 13 can effectively limit the reset spring 3, improving the smoothness of the button 1 during pressing.

[0032] In addition, two hollow positions 14 are arranged on the bottom plate of the base 2 and located on both sides of the guide. By increasing the hollow position 14, shrinkage of the base 2 during injection molding production can be avoided. At the same time, the hollow position 14 can make the button 1 impact sound lower.

[0033] As shown in Figure 3 , the difference between example 2 and example 1 is that each limiting hanging table 5 and buffer hanging table 7 share a groove structure. In addition, the top of the button 1 is not provided with a cross shaft body 8 with a dustproof wall structure.

[0034] As shown in Figure 4 , the difference between example 3 and example 1 is that the elastic part 6 and the buckle 4 on the side surface of the button 1 are on different sides.

[0035] As shown in Figure 5 , the difference between example 4 and example 1 is that the elastic part 6 and the buckle 4 on the side surface of the button 1 are on different sides. In addition, the top of the button 1 is not provided with a cross shaft body 8 with a dustproof wall structure.

[0036] As an independent example 5, as shown in Figure 1 and Figure 6As shown, the utility model discloses an integral type no upper cover axle body, including button 1 and integral base 2, the inside of base 2 has the cavity, and the top of cavity is provided with window, button 1 is connected with base 2 sliding, and the upper portion of button 1 is worn out window, and the cavity of base 2 is connected with the reset spring 3 for the button 1 after pressing reset. The middle part of base 2 is equipped with the guide column 11 along vertical setting, and the guide cavity 12 is formed to the guide column 11 inside grooving, and the bottom of guide cavity 12 is the bottom sealing structure. The middle part of button 1 extends downward and is equipped with the middle column 9, and the inlaying of the inductive body 10 in the groove of the inductive body 10 of the bottom of middle column 9 is nested and fixed with inductive body 10, and inductive body 10 can be magnet or metal stick, and when inductive body 10 is magnet, realizes switch on-off through magnet and cooperation with hall sensor. When inductive body 10 is metal stick, realizes switch on-off through metal stick and inductance cooperation. Middle column 9 and guide cavity 12 sliding sleeve joint. The bottom plate of base 2 and the both sides of guide are equipped with hollow position 14 respectively. Through increasing hollow position 14, can avoid the shrinkage of base 2 in the injection molding production process, and hollow position 14 can make the button 1 impact sound become low frequency.

[0037] The outside of guide column 11 is equipped with the annular groove 13 around it, and the lower end of reset spring 3 is nested in annular groove 13, and annular groove 13 can effectively limit reset spring 3, improve the smoothness in the process of button 1 pressing.

[0038] Of course, the technical features such as buckle position 4, elastic part 6, limiting hanging table 5 and buffer hanging table 7 in embodiment 1 can be added in embodiment 5.

[0039] The above describes the specific embodiment of the utility model, but those skilled in the art should understand that this is only an example, and those skilled in the art can make various changes or modifications to this embodiment without departing from the principles and essence of the utility model, but these changes and modifications all fall within the protection scope of the utility model.

Claims

1. An integrated capless shaft, characterized by: The button and the base are integrally formed, the base has a cavity inside, a window is formed on the top of the cavity, the button is in sliding connection with the base, the upper part of the button passes through the window, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a buckle is arranged on the side of the button, a wedge-shaped part is arranged at the bottom of the buckle, a limiting hanging table is arranged on the inner side of the cavity of the base corresponding to the buckle, the limiting hanging table is formed by grooving, and the limiting hanging table is used for abutting against the buckle to limit the button from being popped out of the base.

2. The one-piece shaft without upper cover according to claim 1, characterized in that: The limiting hanging table is in a trapezoidal structure with the top being narrow and the bottom being wide.

3. The one-piece shaft without upper cover of claim 1, wherein: The buckle is one or more than two, when the buckle is more than two, the limiting hanging table corresponding to each buckle is formed by independent grooving, or the limiting hanging table corresponding to each buckle is formed by sharing one groove.

4. The one-piece shaft without upper cover of claim 1, wherein: The top of the button is provided with a cross shaft body with a dustproof wall structure, or the top of the button is provided with a cross shaft body without the dustproof wall structure.

5. The one-piece shaft without upper cover of claim 1, wherein: A middle column is arranged on the middle part of the button and extends downward, a sensing body is fixedly arranged in a sensing body mounting groove at the bottom of the middle column, a guide column is arranged on the middle part of the base and extends vertically, a guide cavity is formed in the guide column by grooving, and the middle column is in sliding sleeve connection with the guide cavity.

6. The one-piece shaft without upper cover of claim 5, wherein: An annular groove is arranged around the outer side of the guide column, and the lower end of the reset spring is nested in the annular groove.

7. The one-piece shaft without upper cover according to claim 5, characterized in that: Two hollow positions are arranged on the bottom plate of the base and located on both sides of the guide.

8. The one-piece shaft without upper cover of claim 1, wherein: An elastic part is arranged on the side of the button and extends upward, the elastic part is arranged higher than the buckle, and a buffer hanging table is arranged on the inner side of the cavity of the base corresponding to the elastic part of the button by grooving.

9. An integrated capless shaft body characterized by: The button and the base are integrally formed, the base has a cavity inside, a window is formed on the top of the cavity, the button is in sliding connection with the base, the upper part of the button passes through the window, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after being pressed, a reset spring is connected in the cavity of the base for resetting the button after 10. The one-piece shaft without upper cover according to claim 9, characterized in that: ​