Keyboard key contact structure

Abstract

The utility model discloses a keyboard key contact structure which comprises a keyboard contact installed on a keyboard panel, the keyboard panel is connected with a split type key cap, the surface of the keyboard contact is provided with a concave key groove, and the key cap is fixedly connected with a pressing key rod. The shielding assembly comprises a connecting piece arranged on the outer side of the keyboard contact in a sleeving mode, a connecting rod fixedly connected to the outer surface of the connecting piece, and a shielding piece bonded with the other end of the connecting rod through strong glue; the scraping piece is connected with the inner side wall of the key cap through glue in a bonding manner; a shielding structure for preventing impurities from adhering is designed on the contact, the shielding piece and the connecting piece are installed on the outer side of the keyboard contact, external dust and impurities are prevented from adhering to the keyboard contact, when the key cap is pressed, the scraping piece moves downwards along with the key cap, the scraping piece scrapes the dust and impurities adhering to the outer surface of the shielding piece, and the impurities are convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of keyboard, concretely relates to a keyboard key contact structure. BACKGROUND

[0002] Many keys are installed on the keyboard, the key is also called key cap, keyboard cap cover and the like, is used for inputting instruction and data, the keyboard is in the computer field, is used for the important tool of the interaction of computer and user, the keyboard has multiple types, such as mechanical keyboard, plastic film type keyboard, conductive rubber type keyboard and the like, the keyboard is equipped with contact, generally key cap and contact are combined in split type, can disassemble key cap, to facilitate cleaning;

[0003] The traditional contact has a certain distance between the surface of the keyboard, the key cap is split mounted on the pressable contact on the keyboard, the key cap is suspendedly installed on the contact, and there is a certain gap between the key cap and the keyboard, under long-time use, external impurities will adhere to the surface of the contact, in addition, the impurities will accumulate on the outside of the contact and the space blocked by the key cap, which affects the sensitivity of the key cap and the contact pressing, and there are deficiencies.

[0004] The existing key cap is installed on the contact of the keyboard, and there is no blocking structure design to block the adhesion of impurities on the contact, so the keyboard key contact structure is provided. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a keyboard key contact structure to solve the problem of the blocking structure design of the contact without blocking the adhesion of impurities.

[0006] To achieve the above object, the utility model provides the following technical scheme: a keyboard key contact structure, comprising

[0007] The keyboard contact is installed on the keyboard panel, the split type key cap is connected on the keyboard panel, the surface of the keyboard contact is provided with the concave key slot, and the pressing key rod is fixedly connected on the key cap.

[0008] The shielding assembly comprises a connecting piece sleeved on the outside of the keyboard contact, a connecting rod fixedly connected on the outer surface of the connecting piece, and a shielding piece bonded with the other end of the connecting rod through strong glue.

[0009] The scraping piece is bonded and connected with the inner side wall of the key cap through glue.

[0010] Preferably, the key slot is "+" type structure, and the pressing key rod is matched with the corresponding key slot.

[0011] Preferably, the inner side wall of the connecting piece facing the keyboard contact is provided with the concave circular ring shaped filling groove.

[0012] Preferably, the center of the connecting piece is provided with a mounting slot for the keyboard contact to pass through, and the mounting slot has the same geometric shape as the keyboard contact.

[0013] Preferably, the geometric shape of the inner surface of the scraping piece is the same as that of the outer surface of the shielding piece, and the geometric shape of the scraping piece is the same as that of the key cap.

[0014] Preferably, the outer side of the shielding piece is provided with a plurality of blocking plates which are centrally and symmetrically distributed, the blocking plates are curved semicircular rings, and the inner surface of the blocking plate is attached to the outer surface of the shielding piece.

[0015] Preferably, one end of the blocking plate is provided with an integrally injection-molded protrusion, the other end of the blocking plate is provided with a recessed groove corresponding to the protrusion, the surface of the blocking plate is provided with a recessed retention groove, the cross section of the blocking plate is in the shape of a right triangle, and the inclined surface of the blocking plate is in a curved shape.

[0016] Compared with the prior art, the keyboard contact protection device has the following beneficial effects:

[0017] In the utility model, the contact has a shielding structure design for preventing impurities from adhering, the shielding piece and the connecting piece are installed on the outer side of the keyboard contact, external dust and impurities are prevented from adhering to the keyboard contact, when the key cap is pressed, the scraping piece moves downward, the scraping piece scrapes off the dust and impurities adhering to the outer surface of the shielding piece, and the impurities are convenient to clean. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a top view structural schematic diagram of the keyboard panel combined with the key cap of the utility model;

[0019] Figure 2 It is a top view structural schematic diagram of the keyboard panel of the utility model;

[0020] Figure 3 It is a sectional view structural schematic diagram of the key cap of the utility model;

[0021] Figure 4 It is a sectional view structural schematic diagram of the key cap of the utility model; Figure 3 It is a sectional view structural schematic diagram of the key cap of the utility model;

[0022] Figure 5 It is a top view structural schematic diagram of the connecting piece of the utility model;

[0023] Figure 6 It is a top view structural schematic diagram of the blocking plate of the utility model;

[0024] In the figure: 1, keyboard panel; 2, key cap; 3, keyboard contact; 4, connecting piece; 5, connecting rod; 6, shielding piece; 7, blocking plate; 8, scraping piece; 21, pressing key rod; 31, key slot; 41, filling groove; 42, mounting groove; 71, retention groove; 72, protrusion. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1 to 6 The utility model provides a kind of technical scheme: a keyboard key contact structure, including the keyboard contact 3 of installation on keyboard panel 1, keyboard panel 1 is connected with the split type key cap 2, the surface of keyboard contact 3 is provided with the concave key slot 31, key cap 2 is fixedly connected with pressing key rod 21, key cap 2 and keyboard contact 3 are split type structure, key cap 2 is combined with keyboard contact 3, pressing key cap 2, pressing key rod 21 on key cap 2 presses keyboard contact 3, the structure and principle of keyboard panel 1, key cap 2 and keyboard contact 3 are prior art, this application is not described in detail;Shielding component, including the connecting piece 4 of sleeve in keyboard contact 3 outside, connecting rod 5 fixedly connected on the outer surface of connecting piece 4, shielding piece 6 is bonded with connecting rod 5 other end by strong glue, keyboard contact 3 is cylindrical structure, connecting piece 4 and shielding piece 6 are circular ring structure, the geometric shape of connecting piece 4 and shielding piece 6 is same with keyboard contact 3, when keyboard contact 3 is square, connecting piece 4 and shielding piece 6 can be designed into square shape matched with keyboard contact 3, shielding piece 6 and connecting piece 4 are installed on the outside of keyboard contact 3, play the role of blocking external dust impurities adhering on keyboard contact 3;Scraping piece 8 is bonded and connected with the inner side wall of key cap 2 by glue, the inner surface of scraping piece 8 is consistent with the outer surface of shielding piece 6, when key cap 2 is pressed, scraping piece 8 is lowered along with it, and scraping piece 8 scrapes dust impurities adhering on the outer surface of shielding piece 6, to facilitate cleaning impurities.

[0027] In the embodiment, the key slot 31 is "+" type structure, and the pressing key rod 21 is matched with the corresponding key slot 31. The pressing key rod 21 is embedded in the inside of the key slot 31. There is frictional resistance between the pressing key rod 21 and the keyboard contact 3. Under the action of the frictional resistance, the pressing key rod 21 and the keyboard contact 3 move in the same direction.

[0028] In this embodiment, the connector 4 has a concave annular filling groove 41 on the inner sidewall facing the keyboard contact 3. When the connector 4 is connected to the keyboard contact 3, the filling groove 41 of the connector 4 is filled with glue, and the connector 4 and the keyboard contact 3 are firmly bonded by the glue.

[0029] In this embodiment, the connector 4 has a mounting groove 42 in the center for the keyboard contact 3 to pass through. The geometry of the mounting groove 42 is the same as that of the keyboard contact 3. The connector 4 mates with the corresponding keyboard contact 3. The geometry of the inner surface of the scraper 8 is the same as that of the outer surface of the shield 6. The geometry of the scraper 8 is the same as that of the keycap 2. The geometry of the connector 4 and the shield 6 is the same as that of the keyboard contact 3. When the keyboard contact 3 is square, the connector 4 and the shield 6 can be designed as square shapes to mate with the keyboard contact 3.

[0030] In this embodiment, the outer side of the shielding member 6 is provided with centrally symmetrically distributed blocking plates 7. The blocking plates 7 are curved semi-circular rings. The inner surface of the blocking plates 7 is attached to the outer surface of the shielding member 6. Adjacent blocking plates 7 are connected by plugging. The blocking plates 7 can be separated to facilitate cleaning of impurities adhering to the surface of the blocking plates 7.

[0031] In this embodiment, one end of the baffle plate 7 is provided with an integrally injection-molded protrusion 72, and the other end of the baffle plate 7 is provided with a concave groove that corresponds to and matches the protrusion 72. A concave retention groove 71 is provided on the surface of the baffle plate 7. The cross-section of the baffle plate 7 is a right-angled triangle shape, and the inclined surface of the baffle plate 7 is curved. When the scraper 8 moves to scrape off the dust and impurities on the surface of the shielding member 6, the scraped impurities fall onto the curved surface of the baffle plate 7. The impurities can fall into the retention groove 71, so that impurities such as fibers, hair, solid particles, and paper scraps are concentrated on the baffle plate 7. After the baffle plate 7 is disassembled, it is easy to clean.

[0032] Working principle and usage process of this utility model:

[0033] The keycap 2 and the keyboard contact 3 are separate structures. When the keycap 2 and the keyboard contact 3 are combined, pressing the keycap 2 causes the key lever 21 on the keycap 2 to press the keyboard contact 3.

[0034] The keyboard contact 3 has a cylindrical structure, while the connector 4 and the shield 6 have a ring structure. The shield 6 and the connector 4 are installed on the outside of the keyboard contact 3 to prevent external dust and impurities from adhering to the keyboard contact 3.

[0035] When the button cap 2 is pressed, the scraper 8 moves down and scrapes off the dust and impurities adhering to the outer surface of the shield 6, making it easier to clean the impurities.

[0036] The geometry of the connecting piece 4 and the shielding piece 6 is the same as that of the keyboard contact 3, and when the keyboard contact 3 is square, the connecting piece 4 and the shielding piece 6 can be designed into a square shape matched with the keyboard contact 3;

[0037] In summary: the shielding structure on the contact prevents impurities from adhering, the shielding piece 6 and the connecting piece 4 are installed on the outside of the keyboard contact 3, and external dust impurities are prevented from adhering to the keyboard contact 3; when the keycap 2 is pressed, the scraping piece 8 moves downward, the dust impurities adhering to the outer surface of the shielding piece 6 are scraped off, and the impurities are conveniently cleaned.

[0038] Although the embodiments of the utility model have been shown and described (see the detailed description above), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A keyboard key contact structure, characterized by: The utility model provides a keyboard contact (3) is installed on the keyboard panel (1), the keyboard panel (1) is connected with the split key cap (2), the surface of keyboard contact (3) is provided with the concave key slot (31), the key cap (2) is fixedly connected with the pressing key rod (21). The shielding assembly includes a connecting piece (4) that is sleeved outside the keyboard contact (3), a connecting rod (5) that is fixedly connected to the outer surface of the connecting piece (4), and a shielding piece (6) that is bonded to the other end of the connecting rod (5) by strong glue. The scraping piece (8) is bonded to the inner side wall of the key cap (2) by glue. The key slot (31) is in a "+" shape, and the pressing key rod (21) is matched with the corresponding key slot (31).

2. A keyboard key contact structure according to claim 1, wherein: The inner side wall of the connecting piece (4) facing the keyboard contact (3) is provided with a concave circular filling groove (41).

3. A keyboard key contact structure according to claim 1, wherein: The center of the connecting piece (4) is provided with a mounting groove (42) for the keyboard contact (3) to pass through, and the geometric shape of the mounting groove (42) is the same as that of the keyboard contact (3).

4. The keyboard key contact structure of claim 1, wherein: The geometric shape of the inner surface of the scraping piece (8) is the same as that of the outer surface of the shielding piece (6), and the geometric shape of the scraping piece (8) is the same as that of the key cap (2).

5. The keyboard key contact structure of claim 1, wherein: The outer side of the shielding piece (6) is provided with a center-symmetrically distributed blocking plate (7), which is a curved semicircular ring shape, and the inner surface of the blocking plate (7) is attached to the outer surface of the shielding piece (6).

6. The keyboard key contact structure of claim 1, wherein: One end of the blocking plate (7) is provided with an integrally injection-molded protrusion (72), the other end of the blocking plate (7) is provided with a concave groove corresponding to the protrusion (72), the surface of the blocking plate (7) is provided with a concave retention groove (71), the cross section of the blocking plate (7) is a right triangle shape, and the inclined surface of the blocking plate (7) is a curved shape.

7. A keyboard key contact structure according to claim 6, wherein: ​

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