JP3083307U - keyboard - Google Patents

Abstract

(57) [Problem] To provide a keyboard for external connection of a PDA. SOLUTION: A key button portion 31 is provided on a keyboard 3, and an external cover body 33 is provided at one end of the key button portion 31.
Is connected, the key button portion is opened and closed by opening and closing the outer cover main body 33. In the key button section 31, there is a connection port 35 at the center adjacent to the connection end with the external cover body 33. When the connection port 35 is opened, it can be connected to the connector of the PDA 2. The outer cover body 33 is made up of the first cover body 331 and the second cover body 331.
It is configured by connecting the cover main body 332, and at least one positioning unit 334 is provided at a connection point between the first cover main body 331 and the second cover main body 332. When the second cover main body 332 is opened, the second cover main body 332 can be positioned at a fixed angle by the positioning unit 334.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a keyboard for external connection of a PDA (Personal Digital Assistant).

[0002]

[Prior art]

 Currently, portable PDAs are convenient to carry. The functions of the schedule calendar, phone book, etc. are mainly edited by inputting characters or codes with a handwriting pen, so that the user can store information or phone numbers for many notes on the PDA and hand-write when necessary. With a pen, you can call. However, using only the handwriting pen input method is insufficient for PDAs whose functions are increasing day by day. Vendors have developed keyboards for external connection of PDAs to fill in the aforementioned shortcomings. The keyboard includes a plurality of key buttons, so when the keyboard is connected to the PDA, the user can edit the schedule calendar and telephone directory by using the key buttons on the keyboard.

FIG. 1 shows a conventional PDA keyboard for external connection. An upper cover body 13 is pivotally mounted on the keyboard 11. Since one end of the upper cover main body 13 is pivotally connected to one end of the keyboard 11, the upper cover main body 13 is opened outward or closed over the keyboard 11. A connection port 15 is provided in the center of the upper cover body 13 adjacent to the pivotal connection end. The keyboard 11 has an opening groove 16 for accommodating the connection port 15 at a position corresponding to the connection port 15. When the upper cover body 13 is put on the keyboard 11, the connection port 15 is accommodated in the opening groove 16 at the same time. Since the connection port 15 is connected to the upper cover main body 13, when the upper cover main body 13 is opened, the connection port 15 is also opened. The connection port 15 is connected to the connector of the PDA2. There are a plurality of contacts on the upper surface of the connection port 15. Since these contacts are respectively connected to the circuit and the key buttons of the keyboard 11, when the PDA 2 is inserted into the connection port 15, the PDA is electrically connected to the keyboard 11 and the input is performed via the key buttons of the keyboard 11. can do.

As shown in FIG. 1, a positioning unit is provided at a pivotally connected position between the upper cover body 13 and the keyboard 11. When the upper cover main body 13 is opened, the upper cover main body 13 is positioned at a position at a fixed inclination angle from the keyboard 11 by using a positioning unit. Thus, when the PDA 2 is inserted into the connection port 15, it leans against the upper cover body 13. A housing space 12 is provided at the inner bottom of the keyboard 11. A support 16 is provided in the accommodation space 12. The end of the support 16 is exposed from the outside of the keyboard 11, and there is an external pulling portion 161 having an outer diameter larger than the outer diameter of the support 16. On the other hand, the other end is arranged inside the keyboard 11. There is a head 162 whose outer diameter is larger than the outer diameter of the support 16. When the PD A2 leans on the upper cover body 13, the support 16 is pulled out, the connection area for supporting the bottom surface of the keyboard 11 is increased by using the bottom area of the support 16, and the weight of the PDA2 is reduced. Therefore, the keyboard 11 and the PDA 2 have a structure that prevents the keyboard 11 and the PDA 2 from overturning to one side.

[0005]

[Problems to be solved by the invention]

 However, the conventional external connection keyboard 11 of the PDA 2 cannot prevent the PDA 2 from overturning to one side unless the support 16 is used, so that the accommodation space 12 for installing the support 16 inside the keyboard 11 is not available. Must be added. Therefore, the keyboard 11 has a large thickness and cannot be downsized. SUMMARY OF THE INVENTION An object of the present invention is to provide a keyboard for external connection of a PDA, which can reduce the size of the main body.

[0006]

[Means for Solving the Problems]

 The keyboard 3 provided by the present invention for external connection of a PDA is mainly provided with a key button unit 31. Since the outer cover body 33 is pivotally provided on one side of the key button portion 31, the outer cover body 33 is opened outside or put on the key button portion 31. A connection port 35 is provided at the center of the key button unit 31 adjacent to the pivotal connection side. When the connection port 35 is opened, it can be connected to the connector of the PDA2. The outer cover main body 33 is configured by pivotally connecting a first cover main body 331 and a second cover main body 332. At least one positioning unit 334 is provided at the pivotal connection point between the first and second cover bodies 331 and 332. Therefore, when the second cover body 332 is opened downward to a certain angle, the second cover body 332 is positioned at the same angle via the positioning unit 334.

[0007]

[Embodiment of the invention]

 As an embodiment of the present invention, as shown in FIG. 2, one side of the first cover body 331 is pivotally connected to one side of the second cover body 332. The other side of the first cover body 331 is pivotally connected to the key button unit 31. At least one protruding flange is provided at a position where the first cover main body 331 and the key button portion 31 are pivotally connected to each other. An opening groove 313 is provided at a position of the key button portion 31 corresponding to the flange. The first cover main body 331 is pivotally mounted on the key button portion 31 because these flanges are pivotally mounted in the opening groove 313. A flange 333 that is extended upward and has elasticity is provided at the pivotal connection and connection end between the first cover main body 331 and the second cover main body 332, and the second cover main body 332 is located at a position corresponding to the flanges 333. A positioning unit 334 for compounding the flange 333 is provided. The flanges 333 become wave-like and are pushed by one end of the positioning unit 334. Since the positioning unit 334 is set by the elasticity of the flange 333, the second cover main body 332 is set on the same plane of the first cover main body 331. At the same time, when the second cover body 332 is opened downward to a certain angle, when the same end of the positioning unit 334 is moved upward to another wave angle of the flange 333, the flange 333 has its own elasticity. Then, the positioning unit 334 is set, and the second cover main body 332 is positioned at the same angle. At that time, as shown in FIG. 4, the first cover main body 331 is in a state where the angle is inclined.

In this embodiment, as shown in FIGS. 3 and 4, the key button portion 31 is provided with an opening groove 36 for accommodating the connection port 35 at a position corresponding to the connection port 35. When the cover 33 is put on the key button section 31, the connection port 35 is simultaneously moved to the opening groove 36 and inserted. There are a plurality of contacts on the upper surface of the connection port 35. Since these contacts are connected to the circuit of the key button unit 31 and the plurality of buttons 311 via wires, when the PDA 2 is inserted into the connection port 35, the buttons 311 and the PDA 2 are electrically connected as shown in FIG. Connected, and a character (or code) can be input with the button 311.

Please refer to FIG. 3 and FIG. As a feature of another embodiment of the present invention, a recess 335 for installing the PDA 2 is installed at a location adjacent to the center of the first cover main body 331. Thus, when inserting the PDA 2 into the connection port 35, the PDA 2 slides into the recess 335 and is engaged by the first cover body 331. The connection port 35 includes a pedestal 351 and a connection portion 352. Both ends of the base 351 are pivotally mounted on the key button part 31. There are a plurality of contacts on the upper surface of the connection portion 352. Since the dimensions of the connection portion 352 are easily inserted into the connector of the PDA 2, when the PDA 2 is inserted into the connection portion 352, these contacts are connected to the pins of the connector of the PDA 2 and are electrically connected.

In the embodiment, as shown in FIG. 4, the positioning units 334 have a shape of an approximate Ω-shaped rod. The two ends of the positioning unit 334 are pivotally connected to the holes of the column 336 of the first cover main body 331, respectively. Since the appropriate positions around the positioning units 334 are pivotally connected to the fitting buttons 337 of the second cover main body 332, the positioning units 334 are set on the inner surface of the second cover main body 332. The flanges 333 have an approximately S wave-like appearance. The flange 333 is pushed by its own elasticity at both ends of a pivoting and connecting portion adjacent to the positioning unit 334, and the positioning unit 334 is set at a fixed angle. When the second cover body 332 is moved downward to a certain angle, the positioning unit 334 moves away from an adjacent point of one wave angle corresponding to the flange 333 and moves upward to correspond to the flange 333. Move to another wave angle. Therefore, the flange 333 is pushed by the positioning unit 334 by its own elasticity, and the second cover main body 332 is set to the same angle.

In this embodiment, as shown in FIG. 2, the outer cover main body 33 is provided with an edge 37 protruding to the outside, so that when the outer cover main body 33 is put on the key button portion 31, it is completely sealed. it can. On both sides of the outer cover body 33, tooth-shaped anti-slip bodies 38 are arranged. The user grips the non-slip body 38 and raises the outer cover body 33 upward. Further, grip portions 39 are separately provided on both edges of the free end of the second cover main body 332. The user grasps the grip portion 39 and opens the second cover main body 332 downward to a certain angle.

With the above composition of the parts, as shown in FIG. 4, when the PDA 2 is inserted into the connection port 35 and is engaged with the concave body 335 of the first cover body 331, the first cover body becomes the second cover. Overturning to one side of the keyboard 3 and the PDA 2 via the support of the main body 332 can be avoided.

[Brief description of the drawings]

FIG. 1 is a schematic side view showing a conventional PDA.

FIG. 2 is a diagram showing a P using a keyboard according to an embodiment of the present invention;
It is a schematic perspective view which shows DA.

FIG. 3 is a diagram illustrating a P using a keyboard according to an embodiment of the present invention;
It is a schematic perspective view which shows DA.

FIG. 4 is a diagram illustrating a P using a keyboard according to an embodiment of the present invention;
It is a schematic side view which shows DA.

[Explanation of symbols]

 3 Keyboard 31 Key button part 33 External cover body 35 Connection port 333 Flange 334 Positioning unit

Claims (9)

[Utility model registration claims] 1. A keyboard for external connection of a PDA, comprising: a key button portion having a plurality of buttons; an outer cover main body formed by pivotally connecting and connecting a first cover main body and a second cover main body; A connection port pivotally connected to a side at which the key button portion and the outer cover main body are pivotally connected to each other; one side of the first cover main body pivotally connected to the key button portion; The second cover main body can be opened or put on the key button portion, and the other side of the first cover main body is pivotally connected to and connected to the second cover main body via at least one positioning unit. The second cover main body can be turned at an appropriate angle by reversing the key cover from the key button portion, and the connection port is connected to a connector of a PDA. Keyboard to be a butterfly. 2. The keyboard according to claim 1, wherein both ends of the positioning unit are connected to the first cover main body and the second cover main body, respectively. 3. A flange is provided at a connection position between one of the first cover main body and the second cover main body and the positioning unit, and the flange presses a connection end with the positioning unit, and an elasticity of the flange is provided. The keyboard according to claim 2, wherein the positioning unit is positioned at a fixed angle by the key. 4. The keyboard according to claim 3, wherein the positioning unit has a substantially Ω-shaped rod shape. 5. The flange has a substantially S-shaped corrugated shape, and the flange presses both ends of a connection portion adjacent to the positioning unit with its own elasticity to hold the positioning unit at a fixed angle. Claim 3
Keyboard described in. 6. A recessed portion in which the PDA can be installed is formed at a location adjacent to the center of the first cover body,
The keyboard according to claim 1, wherein when the DA is inserted into the connection port, the PDA slides into the recess and leans on the first cover body. 7. A side where the first cover body and the key button portion are connected, at least one other protruding flange is installed, and the another flange is located at a position corresponding to the key button portion. 2. The keyboard according to claim 1, wherein the keyboard is connected to an opening groove of the keyboard. 8. An opening groove is provided at a side where the key button portion and the outer cover body are connected, and the other opening groove connects and accommodates a connection port. The keyboard according to claim 1, wherein: 9. The connection port includes a pedestal and a connection part, both ends of the pedestal are installed in the another opening groove, and a plurality of contacts are formed on an upper surface of the connection part,
The connection is inserted into the connector of the PDA, and when the PDA is inserted into the connection, the contact is connected to the PDA.
8. The keyboard according to claim 7, wherein the keyboard is connected to and electrically connected to a pin of a DA connector.