CN214474908U

CN214474908U - External mouse board of KVM display device

Info

Publication number: CN214474908U
Application number: CN202022863454.5U
Authority: CN
Inventors: 孙开锋; 赵建鹏; 张溢文; 高智勇
Original assignee: Xi'an Precision Machinery Research Institute
Current assignee: Xi'an Precision Machinery Research Institute
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-10-22
Anticipated expiration: 2030-11-30

Abstract

The invention designs an external mouse board of a KVM display device, which comprises a mouse panel and a lower bottom plate; the mouse panel and the lower bottom plate are fixedly connected with each other, a gap is formed at the connecting part, and the mouse panel and the lower bottom plate are parallel to each other and are not positioned on the same horizontal plane after being connected and are in a step shape; after the mouse panel is inserted into the guide rail of the KVM display device through the gap, the mouse panel is located on the side face of the KVM display device and used for mouse work, and the lower bottom plate is located below the KVM display device. The structure can be hung on the KVM display device, and the problem that a mouse of the KVM display device is inconvenient to use is solved. The whole structure is simple in design and convenient to carry; and the guide rail is inserted and connected, so that the installation is convenient. The size of the whole structure and the size of the gravity center position are both required, and the stability in the using process is ensured.

Description

External mouse board of KVM display device

Technical Field

The utility model relates to a computer test control field is a supporting Mouse board for observing and controlling Keyboard (Keyboard), demonstration (Video), Mouse (Mouse) integrated device (KVM) that equipment used.

Background

As shown in fig. 1, the KVM display apparatus is widely used in the field of computer test control, and is an integrated device of a keyboard 2, a display 4, and a mouse 3. The display 4 can be folded down to fold with the keyboard 2 and mouse 3. Because the guide rails 5 are respectively installed on two sides of the KVM, the display 4 can be folded and pushed back into the installation cabinet after use, and the display 4 can be pulled out and turned upwards when the KVM is used. The display device has the characteristics of small occupied installation space, large display area, attractive appearance and the like.

However, the mouse 3 of the KVM display apparatus is extremely inconvenient to use. The mouse 3 is designed for a touch pad, is the same as a touch pad mouse of a common notebook computer, and is convenient to use without the common mouse. Usually, a user is externally connected with a common mouse for use, but the KVM display device is generally installed in a standard cabinet for use, a platform for the mouse is not arranged beside the cabinet, and the user can move a desk for use, which is extremely inconvenient.

Disclosure of Invention

The utility model provides a technical problem be: aiming at the inconvenience of using the mouse of the KVM display device, the invention provides the mouse board which can be externally hung at the position of the KVM side guide rail 5, and solves the problem of the inconvenience of using the mouse of the KVM display device.

The technical scheme of the utility model is that: an external mouse board of a KVM display device is characterized by comprising a mouse panel and a lower bottom plate; the mouse panel and the lower bottom plate are fixedly connected with each other, a gap is formed at the connecting part, and the mouse panel and the lower bottom plate are parallel to each other and are not positioned on the same horizontal plane after being connected and are in a step shape;

after the mouse panel is inserted into the guide rail of the KVM display device through the gap, the mouse panel is located on the side face of the KVM display device and used for mouse work, and the lower bottom plate is located below the KVM display device.

The utility model discloses further technical scheme is: defining the upward acting force of a guide rail of the KVM display device on the mouse panel to be F2, the acting point of the KVM display device to be A, designing the width L3 of the mouse panel to be larger than that of the lower bottom plate, setting the gravity center to be B, namely the acting point of gravity G, setting the acting force of the KVM display device on the lower bottom plate to be F1, setting the acting point of F1 to be C, setting the distance between the point A and the point B to be L2, and setting the horizontal distance between the point A and the point C to be L1;

l1 is smaller than L3, and the torque G L2 of the gravity G to the pivot point a is balanced with the torque F1L 1 of the force F1 of the KVM acting on the lower bottom plate C to the pivot point a. The upward force F2 of the KVM acting on the pivot point a is balanced by the combined force of gravity G and force F1, and the mouse board is in a stable state.

The utility model discloses further technical scheme is: the whole mouse panel is a square body, and the side lengths are defined as a, b, c and d respectively, wherein the a side and the c side are parallel to each other, and the b side and the d side are parallel to each other; the edge a is bent downwards to form a vertical plate.

The utility model discloses further technical scheme is: the whole lower bottom plate is a square body, and the side lengths are defined as e, f, g and h respectively, wherein the f side is parallel to the h side, and the e side is parallel to the g side; the f edge is provided with a plate surface which is contacted with the KVM display device and is used as a lower bottom plate bearing surface, and the lower bottom plate bearing surface is formed by bending and molding the lower bottom plate at the f edge; the lower base plate is bent upwards on the h side to form a vertical plate, the mouse panel is bent downwards on the a side to form a vertical plate, the vertical side and the lower portion of the mouse panel are welded at a position close to the a side, a notch is formed between the vertical plate and the vertical plate, and the size of the notch is matched with the size of the guide rail, so that the guide rail can be clamped into the notch.

The utility model discloses further technical scheme is: and the lower bottom plate is provided with a plurality of through holes as lightening holes.

The utility model discloses further technical scheme is: the position of the fulcrum a is the point of action of the upward force F2.

The utility model discloses a further technical scheme is the position of fulcrum C is the effort point of KVM display device effort F1 at the bottom plate.

The utility model discloses further technical scheme is: the point of application C of the force F1 of the KVM display on the lower plate is designed as a face (9) for reducing stress.

The utility model discloses further technical scheme is: the mouse panel and the lower bottom plate are made of steel plates with the thickness of 1.0 mm.

The utility model discloses further technical scheme is: and reinforcing ribs are connected below the vertical plate and the mouse panel.

Effects of the invention

The technical effects of the utility model reside in that: the mouse can be hung on the KVM display device, and the problem that the mouse of the KVM display device is inconvenient to use is solved. The whole structure is simple in design and convenient to carry; and the guide rail is inserted and connected, so that the installation is convenient. The size of the whole structure and the size of the gravity center position are both required, and the stability in the using process is ensured.

Drawings

FIG. 1: KVM display device diagram

FIG. 2: principle drawing of external mouse board

FIG. 3: mouse board three-dimensional graph

FIG. 4: effect diagram mounted on KVM display

Description of reference numerals: 1-KVM mounting hole; 2-a keyboard; 3, a mouse; 4-a display; 5-a guide rail; 6-mouse panel; 7-lower bottom plate; 8-notch; 9-lower bottom plate bearing surface; 10-bending a lower bottom plate into a vertical plate; 11-bending the vertical plate by the mouse panel; 12-reinforcing ribs.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-4, the technical solution adopted by the present invention is: FIG. 1 is an enlarged view of the conventional KVM structure and the side rail;

a force diagram of a mouse pad is shown in fig. 2. The torque G L2 of gravity G to the pivot A is balanced with the torque F1L 1 of the acting force F1 of the KVM on the lower bottom plate C to the pivot A. The upward acting force F2 of the KVM acting on the pivot A is balanced with the resultant force of the gravity G and the acting force F1, and the mouse board can be in a stable state; l1 is less than L3, G L2 ═ F1 ═ L1, F2 ═ F1+ G, so that the mouse plate is in an equilibrium stable state.

FIG. 3 is a three-dimensional view of the external mouse board, the width of the gap is matched with the width of the guide rail in FIG. 1, the guide rail can be clamped into the gap, and the lower base plate is located below the KVM keyboard after the guide rail is clamped into the gap. The width L1 of the lower bottom is smaller than the width L3 of the mouse panel when in design, so that the center of gravity is positioned on the right side;

FIG. 4 is a diagram illustrating the effect of installing a mouse board on a KVM display.

The mouse panel is a sheet metal forming structural member, which is a square plate in this embodiment, and four sides are defined as a, b, c, and d, respectively, wherein the a side and the c side are parallel to each other, and the b side and the d side are parallel to each other. The four edges are respectively bent into right angles in the same direction, and the bending direction faces the lower bottom plate. Notches are symmetrically arranged at the joint of the a and the b and the joint of the a and the d respectively, and the guide rail is in clearance fit with the notches.

The lower bottom plate is a sheet metal forming structural member, in this embodiment, a square plate, and the side lengths are defined as e, f, g and h, wherein the f side is parallel to the h side, and the e side is parallel to the g side; the edge f is provided with a strip-shaped bulge as a bearing surface, the edges e, g and h are upwards bent into a right angle, the bending direction faces the mouse panel, the bent part of the edge h is welded with the mouse panel, and the welding position is close to the edge a.

The side length of B is defined as L3, the side length of e is defined as L1, the distance between the action point B of gravity G acting on the mouse panel and the side a is defined as L2, the point A is the action point of force F2 of the KVM display device acting on the mouse panel through the guide rail 5, and the point C is the action point of force F1 of the KVM display device acting on the lower bottom plate 7. In practical design, F1 is the force acting on the bearing surface 9, and F2 is the force acting below the side a of the mouse panel 6.

The manufacturing process of the device and the KVM display device is as follows:

step 1: bending a mouse panel 6 and a lower bottom plate 7 shown in figure 3 by a plate bending machine by adopting a steel plate with the thickness of 1.0 mm;

step 2: the lower plate is perforated to reduce weight, as shown in fig. 3;

and step 3: welding a mouse panel and a lower bottom plate, wherein the size of the gap is matched with the width of a guide rail (5 in the figure 1);

and 4, step 4: and welding the reinforcing plate.

Claims

1. An external mouse board of a KVM display device is characterized by comprising a mouse panel (6) and a lower bottom plate (7); the mouse panel (6) and the lower bottom plate (7) are fixedly connected with each other, a gap (8) is formed at the connecting part, and the mouse panel and the lower bottom plate are parallel to each other and are not positioned on the same horizontal plane after being connected and are in a step shape;

after the mouse panel is inserted into a guide rail of the KVM display device through the gap (8), the mouse panel (6) is located on the side face of the KVM display device and used for mouse work, and the lower bottom plate (7) is located below the KVM display device.

2. The add-on mouse board for KVM display according to claim 1, wherein the upward force of the KVM rail on the mouse panel (6) is defined as F2 with a point of action A, the width L3 of the mouse panel (6) is designed to be larger than the bottom board (7), the center of gravity is defined as B, i.e. the point of action of gravity G, the force of the KVM display on the bottom board (7) is defined as F1, the point of action of F1 is defined as C, the distance between the points A and B is defined as L2, and the horizontal distance between the points A and C is defined as L1;

l1 is smaller than L3, and the torque G L2 of the gravity G to the pivot A is balanced with the torque F1L 1 of the acting force F1 of the KVM on the lower bottom plate C to the pivot A; the upward force F2 of the KVM acting on the pivot point a is balanced by the combined force of gravity G and force F1, and the mouse board is in a stable state.

3. The add-on mouse board for KVM display device according to claim 1, wherein said mouse panel (6) is a square body, and defines the side lengths a, b, c, d, wherein the side a and the side c are parallel to each other, and the side b and the side d are parallel to each other; the edge a is bent downwards to form a vertical plate (11).

4. The external mouse board for KVM display according to claim 1, wherein the lower base plate (7) is a square body defining sides with a length of e, f, g, h, wherein the f side is parallel to the h side, and the e side is parallel to the g side; a board surface is arranged on the f edge, the board surface is contacted with the KVM display device and is used as a lower bottom board bearing surface (9), and the lower bottom board bearing surface (9) is formed by bending and molding a lower bottom board (7) on the f edge; the lower base plate (7) is bent upwards on the h side to form a lower base plate bending vertical plate (10), the mouse panel (6) is bent downwards on the a side to form a vertical plate (11), the lower base plate bending vertical plate (10) is welded with the position, close to the a side, below the mouse panel (6), a notch (8) is formed between the vertical plate (11) and the lower base plate bending vertical plate (10), and the size of the notch (8) is matched with that of the guide rail, so that the guide rail can be clamped into the notch (8).

5. The external mouse board for KVM display device according to claim 1, wherein said bottom plate (7) has a plurality of through holes as weight-reducing holes.

6. The add-on mouse board for KVM display device according to claim 2, wherein said a is the point of application of upward force F2.

7. The add-on mouse board for KVM display according to claim 2, wherein said C is the point of application of the force F1 of the KVM display on the bottom plate (7).

8. The add-on mouse board for KVM display according to claim 1, wherein the point C of application of the force F1 of the bottom board (7) is designed as the bottom board bearing surface (9) for reducing stress.

9. The add-on mouse board for KVM display device according to claim 1, wherein said mouse panel (6) and said lower base plate (7) are made of 1.0mm steel plate.

10. The external mouse board for KVM display according to claim 4, wherein a stiffener (12) is further connected to the lower bottom plate bending plate (10) and the lower side of the mouse panel (6).