JPH0240813Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a keyboard mounting stand for office automation equipment (hereinafter abbreviated as OA equipment).

[Conventional technology and its problems]

In recent years, in terms of improving the operability of OA equipment,
A dedicated mounting stand for the keyboard, which is operated most frequently by operators, has been developed. For example, there is a dedicated keyboard mounting table that is attached to the front side of a main desk on which a main body device such as a display device is placed, and is capable of sliding and tilting back and forth. However, since the sliding mechanism and the tilting mechanism are separate mechanisms, the structure of both mechanisms is complicated, and the space occupied by these mechanisms in the entire mounting table becomes large, which also increases the cost. Was.

The present invention solves these conventional problems by making the sliding mechanism and tilting mechanism the same mechanism, making the space more compact, and
It is an object of the present invention to provide a keyboard mounting stand that has a simplified structure, lowers the cost, and has sufficient robustness.

[Means for solving problems]

The keyboard mounting base of this invention includes a movable plate for placing the keyboard, and a pair of horizontal movable plate supports on which the movable plates are interposed; On the inside of each
A pair of front and rear guide grooves each having a horizontal groove and a horizontal branch groove connected to the horizontal groove via an inclined groove are formed, and the guide groove is formed on both left and right side surfaces of the movable plate. A pair of front and rear pins that are slidably inserted into the movable plate to hold the movable plate are protruded from each other, and when the movable plate is in a horizontal state, a downwardly tilted forward position, a downwardly tilted rearward position, a downwardly tilted rightward position, and a downwardly tilted downwardly leftward position, It is possible to hold the movable plate, change the vertical position of the movable plate in a horizontal state, and further press the movable plate inward between the inner surface of the support portion and the side surface of the movable plate. A resistance adding mechanism consisting of a resilient member is provided.

[Effect]

The front and rear pins can be inserted into the horizontal grooves and horizontal branch grooves of the front and rear guide grooves, and by changing their insertion positions, you can change the vertical position of the movable plate, and even change the position of the movable plate in the vertical direction. , leaning forward and downward,
It can be tilted downward backward, downward tilted to the right, or downward tilted to the left.

That is, for example, the front and rear horizontal grooves are provided at the same height, the horizontal branch grooves are provided at the same height, and the branch groove is provided at a position lower than the horizontal groove. If each pin is inserted into each horizontal groove, the movable plate will be in a horizontal state, and the front left and right pins will be inserted into the branch groove, and the rear left and right pins will be inserted into the horizontal groove. For example, if the movable plate is tilted forward and downward, and the front left and right pins are inserted into the horizontal groove and the rear left and right pins are inserted into the branch groove, the movable plate is tilted backward and downward, and each pin are inserted into each branch groove, the movable plate will be in a horizontal state at a position below the above-mentioned horizontal state, the front and rear pins on the right side will be inserted into the branch grooves, and the front and rear pins on the left side will be inserted into the horizontal groove. If the front and rear pins on the right side are inserted into the horizontal groove and the front and rear pins on the left side are inserted into the branching groove, the movable plate will be tilted downward to the left.

Moreover, the movable plate is reliably held in each state by the resistance adding mechanism.

〔Example〕

Hereinafter, the present invention will be explained in detail based on drawings showing embodiments.

In FIGS. 1 and 2, reference numeral 1 denotes a main desk on which main body devices such as a display device 2 of the OA equipment are placed, and the front side and lower part are open, and the left and right lower members 3 , 3 are extended to the front side. Casters 4, 4 are attached to the front and rear end positions on the back side of the lower member 3, thereby making the desk 1 movable. Further, two intermediate shelves 5, 5 are provided inside the desk 1, and various articles can be placed and stored thereon.

Reference numeral 6 denotes a mounting table provided at the front of the top plate 7 of the main desk 1 on which a keyboard 8 of the OA equipment is placed. A pair of horizontal movable plate supports 1 provided on the left and right inner surfaces of the notched recess 21 of the
0 and 10 in a sandwiched manner.

Specifically, as shown in FIG. 3, pins 11, 11 are protruded from the front and rear positions of both the left and right sides of the movable plate 9, while the opposing inner surfaces 12 of the pair of horizontal movable plate supports 10, 10 are provided. , 12 are provided with guide portions 13 into which the front and rear pins 11, 11 are inserted to guide the movable plate 9 in a slidable manner back and forth. In the illustrated example, a guide portion 13 is carved on the inner surface 12 of a horizontal movable plate support portion 10 made of a square bar.

This guide portion 13 consists of a rear guide groove 14 into which the rear pin 11 of the movable plate 9 is inserted, and a front guide groove 15 into which the front pin 11 is inserted. 15a, 14a
and horizontal branch grooves 15b, 14b that are connected to the horizontal grooves 15a, 14a from the rear side of the horizontal grooves 15a, 14a through an inclined groove,
have. Both guide grooves 15, 14 are provided at the same pitch as the front and rear pins 11, 11, so that the movable plate 9 can be in a horizontal state, a downwardly tilted forward state, a downwardly tilted rearward state, a downwardly tilted rightward state, or It is said to be tilted downward to the left.

Further, between the horizontal movable plate supports 10, 10 and the left and right outer surfaces of the movable plate 9, a resistance adding mechanism 16 consisting of a resilient member such as a coil spring or a disc spring inserted into the pins 11, 11 is provided. The movable plate 9 is configured to be maintained in a horizontal state in the vertical position, in a downwardly tilted forward direction, in a downwardly tilted backward state, etc. by applying resistance by the resistance adding mechanism 16.

Specifically, as shown in FIGS. 4 and 5, a resistance adding mechanism 16 made of a disk spring is passed through the pins 11 of the movable plate 9, and a washer 17 is interposed between the pins 11 and the inside of the horizontal movable plate support 10. A pin 11 is inserted into a guide groove 13 on the side surface 12.

As another example, the resistance adding mechanism 16 shown in FIGS. 6 and 7 can be considered, and the resistance adding mechanism 16 shown in FIG. 6 uses a coil spring as the resistance adding mechanism 16.
7, the horizontal movable plate support part 10 is formed into a U-shape with a downward opening, a small bolt is used for the pin 11, a female screw part 18 is formed in the movable plate 9, and the movable plate 9 and the guide grooves 15, 14, and between the guide grooves 15, 14 and the bolt head 19, a resistance adding mechanism 16 made of a disc spring is interposed.

The horizontal movable plate support section 10 is shown in FIGS. 5 to 7.
As shown in the figure, it is also possible to mold it integrally with the entire top plate instead of making it a separate member.

8 to 12, possible holding states of the movable plate 9 will be explained. Figure 8 shows pin 1
1 and 11 are located at the rear ends of the horizontal grooves 15a and 14a of the front and rear guide grooves 15 and 14 of the horizontal movable plate support portion 10, and the movable plate 9 is in a horizontal state. In FIG. 9, the pins 11, 11 are positioned at the front ends of the horizontal grooves 15a, 14a of the front and rear guide grooves 15, 14. FIG. 10 shows a state in which the movable plate 9 is moved forward from the state shown in FIG. 8, and the front pin 11 is guided into the branch groove 15b of the front guide groove 15 and stopped at the front end. 9 is leaning forward and downward. FIG. 11 shows a state in which the movable plate 9 is moved forward from the state shown in FIG. 8, and the rear pin 11 is guided into the branch groove 14b of the rear guide groove 14 and stopped at the front end. The movable plate 9 is tilted backward and downward. FIG. 12 shows that while moving the movable plate 9 forward from the state shown in FIG. 15b, the movable plate 9 is in a horizontal state at a lower position with one step down.

In addition, the pins 11 on the left side of the movable plate 9 are connected to the front and rear guide grooves 15 on the inner surface 12 of the left support part 10.
14 horizontal direction grooves 15a, 14a, and the right pins 11, 11 are inserted into the branch grooves 1 of the front and rear guide grooves 15, 14 on the inner surface 12 of the right support part 10.
5b, 14b, the movable plate 9 can be tilted downward to the right. Also, conversely,
Insert the left pins 11, 11 of the movable plate 9 into the branch grooves 15b, 14b of the front and rear guide grooves 15, 14 on the inner surface 12 of the left support part 10, and insert the right pins 11, 11 into the right support part 10. Horizontal grooves 15a, 14 of the front and rear guide grooves 15, 14 on the inner surface 12 of 10
If the movable plate 9 is inserted into the position a, the movable plate 9 can be tilted downward to the left.

Figures 13 and 14 show the front and rear guide grooves 15, 14.
13 shows a modification example in which branch grooves 15c and 14c are formed above the horizontal grooves 15a and 14a, and the one in FIG. are branch grooves 15b, 14
Branch grooves 15d and 14d are provided on the lower side of b. Forming the front and rear guide grooves 15, 14 in this manner has the advantage that the angle of inclination of the movable plate 9, such as the forward and downward inclinations and the rearward and downward inclinations, can be changed, and the horizontal position can be adjusted up and down even in the horizontal state. In addition, the front and rear guide grooves 15, 14 shown in FIG. 8 and FIG. 13,
The combination of the front and rear guide grooves 15 and 14 in FIG.
Alternatively, the front and rear guide grooves 1 in FIGS. 13 and 14
The combination of 5 and 14 also has the advantage that states such as forward downward inclination and posterior downward inclination can be freely selected.

Further, as shown in FIGS. 13 and 14, arcuate recesses may be formed at the ends of the respective grooves 14a, 14b, 15a, 15b, . . . to serve as positioning fitting portions 22 for the pins 11. ,preferable. This is because the pin 11 is difficult to come out from the fitting portion 22, and the movable plate 9 reliably maintains that state.

What is shown in FIG. 15 is the top plate 7 of the main desk 1.
Another example is shown in which horizontal movable plate support parts 10, 10 made of rod-shaped bodies are protruded from the side support plate 20 at the lower position, and a movable plate 9 is disposed on the horizontal movable plate support parts 10, 10. It is something. According to this example, the position of the movable plate 9 is lower than the top plate 7, which has the advantage that the keyboard 8 is easy to handle and the image on the display device 2 is easy to see.

Next, in the embodiment shown in FIG.
b, 14b from the front side of the horizontal grooves 15a, 14a via the inclined grooves.
It is connected to a. Furthermore, fitting portions 22 are formed at the ends of the guide grooves 15 and 14 to ensure positioning of the pin 11.

Furthermore, 23 is a resilient member whose one end 23a resiliently contacts the lower surface of the movable plate 9 and pushes it up in the direction of arrow F. In the illustrated example, this resilient member 23 is
The other end 23b is fixed to a fixed part of the main desk 1, and the one end 23a abuts against the lower surface of the movable plate 9 while being curved so as to constantly receive a bending moment.

[Effect of idea]

Since the present invention is constructed as described above, it produces the following effects.

The sliding mechanism and the tilting mechanism of the movable plate 9 can be made into the same mechanism, and the structure is extremely simplified.
Therefore, the cost can be significantly reduced, assembly is easy, and it can be designed to have sufficient strength. In addition, the movable plate 9 can be in a horizontal position, as well as in a forward and downward tilted state, a rearward and downwardly tilted state, a rightward and downwardly tilted state, and a leftward and downwardly tilted state.
can be used as the optimal state.

In addition, you can change the vertical position, tilt forward and downward, tilt backward and downward,
The switching operation between the lower right tilt and the lower left tilt can be easily performed by moving the movable plate 9 and changing the insertion position of each pin.

Furthermore, the structure can be made compact and there are no inconveniences in handling due to external protruding structures.

In addition, in various posture states, the resistance adding mechanism 16
This ensures that the posture is maintained and the keyboard 8
The posture will not change unexpectedly while in use.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a side sectional view, Figure 3 is an exploded perspective view showing the movable plate, the horizontal movable plate support, and the resistance adding mechanism, Figure 4 is a front view showing the resistance adding mechanism using a disc spring, and Figure 5
The figure is an enlarged cross-sectional view of the main part, FIG. 6 is an enlarged cross-sectional view of the main part using a coil spring for the resistance adding mechanism, FIG. 7 is an enlarged cross-sectional view of the main part showing another example of the resistance adding mechanism, FIG. 8 is an enlarged sectional view of the horizontal movable plate support portion, FIGS. 9 to 12 are sectional views showing the operating state of FIG. 8, and FIGS. 13 and 14 are sectional views showing other examples of the guide groove. , FIG. 15 is a side sectional view showing another embodiment of the present invention, and FIG. 16 is an enlarged sectional view of essential parts showing still another embodiment. 8... Keyboard, 9... Movable plate, 10... Horizontal movable plate support portion, 11... Pin, 12... Inner surface, 14, 15... Guide groove, 14a, 15a...
...Horizontal groove, 14b, 15b...Horizontal branch groove, 16...Resistance adding mechanism.

Claims (1)

[Claims for Utility Model Registration] A movable plate 9 for mounting the keyboard 8 and the movable plate 9
A pair of horizontal movable plate supports 10, 1
0, and an inner surface 1 of each of the movable plate support parts 10, 10.
2, 12, a pair of front and rear guide grooves 15, 14 having horizontal grooves 15a, 14a and horizontal branch grooves 15b, 14b connected to the horizontal grooves 15a, 14a through inclined grooves; A pair of front and rear pins 11, 11, which are slidably inserted into the guide grooves 15, 14 and hold the movable plate 9, are protrudingly provided on both left and right side surfaces of the movable plate 9, respectively. It is possible to hold the movable plate 9 in a horizontal state, a forward downward tilted state, a backward downward tilted state, a downward right tilted state, and a downward left tilted state, and also it is possible to change the vertical position of the movable plate 9 in the horizontal state, Furthermore, a resistance adding mechanism 16 made of a resilient member that presses the movable plate 9 inward is provided between the inner surfaces 12, 12 of the support parts 10, 10 and the side surface of the movable plate 9. Features a keyboard stand.