CN219571289U - Computer host fixed base - Google Patents

Abstract

The utility model discloses a computer mainframe fixing base; comprises a bottom supporting plate, a left vertical plate, a right vertical plate, a rear vertical plate and a top supporting plate which are connected into a whole; the middle lower part of the rear vertical plate is provided with a wire passing port; the top supporting plate can be detached and lifted and is fixedly arranged between the middle upper part in the inner side of the left vertical plate and the middle upper part in the inner side of the right vertical plate. The effect is as follows: the left vertical plate, the right vertical plate, the rear vertical plate and the top support plate are arranged to enclose the placed computer host, so that water is not easy to enter from the bottom, the left side surface, the right side surface and the upper top surface of the placed computer host, and the computer host is safe and reliable to use. The top supporting plate is fixedly arranged at the height of the top surface of the computer host as far as possible, so that the shelving space enclosed between the top surface of the top supporting plate and the upper inner walls of the left vertical plate, the right vertical plate and the rear vertical plate can be enlarged as far as possible, and more small objects can be conveniently shelved in the shelving space, and the computer host is high in space utilization rate and flexible to use.

Description

Computer host fixed base

technical field

The utility model relates to the technical field of office supplies, in particular to a computer host fixing base.

Background technique

The bottom bracket of the computer mainframe, as the name suggests, is used to support the frame of the computer mainframe. The bottom brackets of the computer mainframe commonly used on the market basically include a bottom bracket and universal rollers installed at the bottom four corners of the corresponding bottom bracket. The main purpose of putting the computer host on it is to prevent the computer host from being directly placed on the ground to cause water ingress and damp.

For the bottom bracket of the computer mainframe with the above-mentioned structure, although it is widely used, the inventor of the patent finds that it still has certain defects and deficiencies in the course of work.

Specifically, small objects such as power strips and routers are used in conjunction with the host computer. The corresponding small objects are generally placed directly on the ground, but this is also more likely to cause water ingress and moisture, especially for hygienic aunts mopping the floor or using Or when the teacup filled with water is accidentally knocked over, the water splashed on the ground can easily enter the small objects such as the power socket and router used, and then cause electric leakage and fire hazards. For this reason, there are also The user puts small objects such as power strips and routers used directly on the top surface of the computer host, but this also has the problem that the shelving is not firm and easy to fall.

Therefore, the inventor of this patent conceived and designed this application on the basis of deep experience, review and approval by the scientific research department of our hospital, and based on search and analysis, in order to solve related technical problems well.

Utility model content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent. For this reason, the purpose of this utility model is to propose a kind of computer host fixing base.

In order to achieve the above object, the computer mainframe fixing base according to the embodiment of the utility model includes a bottom support plate, a left vertical plate fixed on the left upper part of the bottom support plate along the front and rear direction, and a left vertical plate fixed on the bottom left side of the bottom support plate along the front and rear direction. The right vertical board on the upper right part of the pallet, the rear vertical board fixed on the rear upper part of the bottom pallet along the left and right direction, and the top pallet for placing small objects;

The left vertical board, the right vertical board and the rear vertical board are of the same height; the left and right sides of the rear vertical board correspond to the rear side of the left vertical board and the rear side of the right vertical board. connected to form an integrated body, and the middle and lower part of the rear vertical board is provided with a wire passage opening through the inner and outer end faces; between the middle and upper parts of the inner side of the right vertical board.

In addition, the computer host fixing base according to the above-mentioned embodiments of the present invention may also have the following additional technical features:

According to an embodiment of the present invention, the front and rear lengths of the bottom supporting board, the front and rear lengths of the left vertical board, the front and rear lengths of the right vertical board and the front and rear lengths of the top supporting board are all equal.

According to an embodiment of the present invention, the upper middle part of the inner end surface of the left vertical plate is evenly provided with a plurality of left card slots for supporting the left side of the top supporting plate from top to bottom along the front and back direction; The upper part of the inner end surface of the vertical plate is evenly provided with a plurality of right card slots for supporting the right side of the top supporting plate from top to bottom along the front and back direction;

A plurality of said left card slots are opposite to a plurality of said right card slots one by one; Adjustable height position.

According to an embodiment of the present utility model, the front middle part of the top supporting plate is provided with a grip that runs through its upper and lower end surfaces, and the rear middle part of the top supporting plate is provided with a wire slot passing through its upper and lower end surfaces. There are multi-tie brushes fixed at intervals.

According to an embodiment of the present invention, it also includes a front baffle; the front baffle is fixed on the front upper part of the bottom bracket along the left and right directions, and its height is less than or equal to 15.0 cm.

According to an embodiment of the present invention, the four corners of the bottom surface of the bottom support plate are respectively fixed with universal wheels with brake parts.

According to an embodiment of the present invention, the middle and lower part of the left vertical plate is evenly opened with a plurality of left ventilation and heat dissipation grooves penetrating through its inner and outer end faces from top to bottom along the front and rear direction; the middle and lower part of the right vertical plate is There are a plurality of right ventilation and heat dissipation grooves running through the inner and outer end surfaces evenly from top to bottom.

According to an embodiment of the present utility model, the plurality of left ventilation and heat dissipation grooves are inclined towards the lower left of the left vertical plate; the plurality of right ventilation and heat dissipation grooves are all towards the lower right of the right vertical plate Open at a slant.

The beneficial effects of the utility model are:

The computer mainframe fixing base provided by the present application, in specific implementation, on the one hand, set the bottom support plate to raise the computer mainframe to be placed, and set the left vertical board, right vertical board, rear vertical board, etc. The board and the top supporting board enclose the placed computer mainframe, so that the positions of the bottom, left side, right side and upper top surface of the placed computer mainframe are not easy to enter water, making this application safe and reliable to use . On the other hand, the top support plate is fixed between the upper middle part of the inner side of the left vertical board and the upper middle part of the inner side of the right vertical board so as to fit the height of the top surface of the computer host as much as possible. After this operation, that is, the top surface of the top pallet and the inner wall of the left vertical plate, the inner wall of the right vertical plate and the inner wall of the rear vertical plate are enclosed between the inner wall of the rear vertical plate for placing small The shelving space for objects can be adjusted as large as possible, making it convenient to store more small objects therein, making the application highly efficient in space utilization and more flexible in use. At the same time, the small objects to be placed are surrounded by the inner wall of the left vertical plate, the inner wall of the right vertical plate and the inner wall of the rear vertical plate, which also makes it difficult to fall or be knocked over, making the stability of the shelf good.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative work.

Fig. 1 is the overall structure schematic diagram 1 of the fixed base of the computer mainframe of the present invention;

Figure 2 is an enlarged view of H in Figure 1;

Fig. 3 is an enlarged view of G in Fig. 1;

Fig. 4 is an exploded view of the fixed base of the computer mainframe of the present invention;

Fig. 5 is a schematic diagram 2 of the overall structure of the fixed base of the computer mainframe of the present invention;

Reference signs:

Computer host fixed base 1000;

Bottom support plate 10;

Left vertical panel 20;

Left card slot 201;

Left ventilation heat sink 202;

right vertical panel 30;

Right card slot 301;

Right ventilation heat sink 302;

Right holding groove 303;

rear vertical panel 40;

Line crossing port 401;

Top pallet 50;

Shake 501;

Wire slot 502;

Brush 503;

Front baffle 100;

Universal wheel 110;

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings of the specification, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary, intended to explain the utility model, but can not be construed as a limitation of the utility model, based on the embodiments of the utility model, those of ordinary skill in the art do not make All other embodiments obtained under the premise of creative labor belong to the scope of protection of the utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "circumferential", "radial" and so on is based on the orientation or positional relationship shown in the drawings of the specification, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this utility model, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

First of all, let’s make a basic explanation of the invention process of this patent. The bottom bracket of the computer mainframe used by the inventor of this patent in the working process basically includes a bottom bracket and universal rollers installed at the four corners of the bottom of the corresponding bottom bracket. The main purpose of placing the computer host on it is to prevent the computer host from being directly placed on the ground to cause water ingress and damp.

For the bottom bracket of the computer mainframe with the above-mentioned structure, although it is widely used, the inventor of the patent finds that it still has certain defects and deficiencies in the course of work.

Specifically, small objects such as power strips and routers are used in conjunction with the host computer. The corresponding small objects are generally placed directly on the ground, but this is also more likely to cause water ingress and moisture, especially for hygienic aunts mopping the floor or using Or when the teacup filled with water is accidentally knocked over, the water splashed on the ground can easily enter the small objects such as the power socket and router used, and then cause electric leakage and fire hazards. For this reason, there are also The user puts small objects such as power strips and routers used directly on the top surface of the computer host, but this also has the problem that the shelving is not firm and easy to fall.

Therefore, the inventor of this patent conceived and designed this application on the basis of deep experience, review and approval by the scientific research department of our hospital, and based on search and analysis, in order to solve related technical problems well.

The computer host fixing base 1000 of the embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to Fig. 1 to Fig. 5, especially as shown in Fig. 1 and Fig. 5, the fixed base 1000 of the computer mainframe provided according to the embodiment of the present invention includes a bottom support plate 10, which is fixed on the bottom support plate along the front and rear directions. 10 the left vertical plate 20 on the left upper part, the right vertical plate 30 standing on the upper right part of the bottom supporting plate 10 along the front and rear direction, the rear vertical plate standing on the upper right part of the bottom supporting plate 10 along the left and right direction 40 and a top pallet 50 for placing small objects;

Wherein, the left vertical plate 20, the right vertical plate 30 and the rear vertical plate 40 are of the same height; the left and right sides of the rear vertical plate 40 correspond to the rear side of the left vertical plate 20 and the The rear side of the right vertical plate 30 is connected to form an integral body, and the middle and lower part of the rear vertical plate 40 is provided with a cable opening 401 that runs through the inner and outer end surfaces; Between the upper middle part of the inner side of the left vertical board 20 and the upper middle part of the inner side of the right vertical board 30 .

Based on the above, it can be clearly seen that the present application is mainly used as a computer mainframe fixing base 1000 during specific implementation.

Specifically, when applying this application, the top support plate 50 is detached in advance, and then the main computer is placed on the bottom support plate 10, and its rear end faces the wire passage opening 401, so that Wiring it through the wire port 401, such as connecting the power cord, the network cable, the keyboard cable, and the mouse cable, etc. The vertical plate 20, the right vertical plate 30 and the rear vertical plate 40 are mutually enclosed, and subsequently, the top support plate 50 can be adjusted to be close to the computer host according to the height of the top surface of the computer host The upper top surface is used to fix it between the upper middle part of the inner side of the left vertical plate 20 and the upper middle part of the inner side of the right vertical plate 30, and the set top support plate 50 can be used for shelving power strips and routers and other small items.

From the above, it can be seen that:

On the one hand, the application sets the bottom pallet 10 to raise the computer mainframe to be put on hold, and sets the left vertical board 20, the right vertical board 30, the rear vertical board 40 and the top pallet 50 to The placed computer host is surrounded by each other, so that the bottom, left side, right side and upper top surface of the placed computer host are not easy to enter the water, so that the application is safe and reliable to use.

On the other hand, generally speaking, the left and right widths of different computer hosts are not much different, but their heights are slightly different. Therefore, the application sets the detachable and liftable top support plate 50, which is used It is not fixed in advance, but detachable, so that even if the computer mainframe to be shelved is placed on the bottom support plate 10 in advance, it can be attached to the computer mainframe as much as possible later. According to the height of the top surface, it is fixed between the upper middle part of the inner side of the left vertical plate 20 and the upper middle part of the inner side of the right vertical plate 30. The shelving space enclosed between the upper inner wall of the left vertical board 20, the upper inner wall of the right vertical board 30 and the upper inner wall of the rear vertical board 40 can be adjusted as large as possible for placing small objects. It is convenient to store more small objects in it, so that the application has a high space utilization rate and is more flexible to use. And the upper inner wall of the rear vertical plate 40 is enclosed, which also makes it difficult to drop or be knocked over, so that the stability of the shelving is good.

Furthermore, through the above-mentioned optimized design, the whole formed by the present application has strong practicability and good use effect.

Further, during specific implementation, according to an embodiment of the present utility model, the front and rear lengths of the bottom supporting plate 10, the front and rear lengths of the left vertical plate 20, the front and rear lengths of the right vertical plate 30, and the front and rear lengths of the top supporting plate 50 Both are equal.

In this way, even if the whole formed by the present application has an external outline similar to a rectangular parallelepiped structure, the overall appearance is simple and elegant.

Furthermore, in specific implementation, as shown in Fig. 2, Fig. 3 and Fig. 4, according to an embodiment of the present utility model, the middle and upper part of the inner end surface of the left vertical plate 20 is evenly opened from top to bottom along the front and rear direction. There are a plurality of left card slots 201 for supporting the left side of the top supporting plate 50; the middle and upper part of the inner end surface of the right vertical plate 30 is evenly provided with a plurality of openings from top to bottom along the front and rear direction for supporting the top supporting plate 50. The right card slot 301 on the right side of the top pallet 50;

Wherein, a plurality of said left card slots 201 are opposite to a plurality of said right card slots 301 one by one; When it is inside the slot 301, its height position is adjustable.

From the above, it can be known that the present application is to set and fix the top bracket 50 by setting multiple sets of relative positions of the left slot 201 and the right slot 301, so that the top bracket 50 is easy to disassemble and easy to install. It is also very convenient.

In addition, in specific implementation, as shown in Fig. 4, according to an embodiment of the present invention, the front middle part of the top bracket 50 is opened with a grip 501 that runs through its upper and lower end surfaces, and the rear middle part of the top bracket 50 is opened. There are wire passing grooves 502 running through its upper and lower end surfaces, and multi-ply brushes 503 are fixed at even intervals in the wire passing grooves 502 .

Thus, by holding the handle 501, the user is able to hold the top support plate 50, so as to manually push it into the left and right locking slots 201 and 301 opposite to each other at a suitable position. , or pull it out from the left and right card slots 201 and 301 that are opposite to each other, and when placing small objects such as power strips and routers on the top support plate 50, it needs to be connected to the computer host. The signal line can pass downwards through the wire slot 502 and be connected to the rear of the computer mainframe, and the set multi-tie brush 503 can also play a certain blocking role to prevent the top bracket 50 from Small objects placed on hold (such as wireless bluetooth earphones and electronic bracelets, etc.) fall downward through the wire slot 502, so that the application can be used with better overall use effect.

Moreover, in this technical solution, according to an embodiment of the present utility model, the present application also includes a front baffle 100; Or equal to 15.0cm.

Therefore, the present application sets the front baffle 100 so that the computer mainframe placed on the bottom support plate 10 is not easy to slide out from the back to the front through the front side of the application, so that the application is safe and reliable to use. be effectively improved.

What needs to be added is that, in actual implementation, according to an embodiment of the present invention, the four corners of the bottom surface of the bottom support plate 10 are respectively fixed with universal wheels 110 with brakes.

In this way, when it is necessary to transfer the set aside computer mainframe, the set brake parts can be unlocked, and the application can be used to transfer the set aside computer mainframe as a whole, eliminating the need to carry the set aside computer mainframe by hand, so that the operation Portable and labor-saving.

What needs to be added is that, according to an embodiment of the present invention, the middle and lower part of the left vertical plate 20 is evenly opened with a plurality of left ventilation and heat dissipation grooves running through its inner and outer end surfaces from top to bottom along the front and rear directions. 202: The middle and lower part of the right vertical plate 30 is evenly opened with a plurality of right ventilation and heat dissipation grooves 302 running through its inner and outer end surfaces from top to bottom along the front and back direction.

Preferably, in this technical solution, according to an embodiment of the present utility model, the plurality of left ventilation and heat dissipation grooves 202 are inclined towards the lower left side of the left vertical plate 20; the plurality of right ventilation and heat dissipation grooves 302 are all inclined towards the lower right side of the right vertical plate 30.

Thus, on the one hand, by arranging a plurality of the left ventilation and heat dissipation grooves 202 and a plurality of the right ventilation and heat dissipation grooves 302, it is convenient to increase the fluidity of the air around the application, so that the performance of the placed computer mainframe can be effectively improved. Heat dissipation effect, on the other hand, in a plurality of the left ventilation and heat dissipation grooves 202, they are inclined toward the lower left side of the left vertical plate 20, and in a plurality of the right ventilation and heat dissipation grooves 302, they are all facing in the right vertical direction. When the lower right side of the straight plate 30 is inclined, even the external water stains are not easy to enter the plurality of left ventilation and heat dissipation grooves 202 and the plurality of right ventilation and heat dissipation grooves 302 from top to bottom, When the application is used, the waterproof effect of the placed computer host is better.

What needs to be added further is that, in actual implementation, based on the height of the general computer host is set at about 40.0cm, and the height of the bottom surface of the general computer desk is set at about 70.0cm, so the left The heights of the vertical plate 20, the right vertical plate 30 and the rear vertical plate 40 are all preferably set at about 60.0 cm, and the heights of the left card slot 201 and the right card slot 301 in the bottom row of the application are all preferably set at It is set to be 40.0 cm, and the interval between every two adjacent rows of the left card slots 201 and the interval between every two adjacent rows of the right card slots 301 are preferably set to 2.0 cm.

At the same time, the bottom pallet 10, the left vertical board 20, the right vertical board 30, the rear vertical board 40 and the top pallet 50 described in the present application are all made of hard plastic, wooden or metal, and It is preferably made of hard plastic material, so that the cost is cheap, the cost is low, and the hardness is sufficient. Moreover, the middle part of the outer end surface of the left vertical plate 20 described in this application is provided with a left grip groove (not shown) inward. The middle part on the outer end surface of the right vertical plate 30 is inwardly provided with a right holding groove 303, so that even if necessary, it is convenient to carry out the application through the left holding groove (not shown) and the right holding groove 303. Tina.

Other embodiments and the like are not illustrated here.

To sum up, when the computer mainframe fixing base 1000 provided by the present application is implemented, on the one hand, the bottom support plate 10 is set to raise the computer mainframe to be put on hold, and the left vertical plate 20, The right vertical plate 30, the rear vertical plate 40 and the top support plate 50 enclose the placed computer mainframe, so that the bottom, left side, right side and upper top surface of the placed computer mainframe are in the same position. It is not easy to enter water, making this application safe and reliable to use. On the other hand, the top support plate 50 is fixed in the middle and upper part of the inner side of the left vertical board 20 and the inner side of the right vertical board 30 by fitting the height of the upper surface of the computer host as much as possible. Between the upper part, through this operation, the distance between the top surface of the top supporting plate 50 and the upper inner wall of the left vertical plate 20, the upper inner wall of the right vertical plate 30 and the upper inner wall of the rear vertical plate 40 is obtained. The enclosed shelving space for storing small items can be adjusted as large as possible, making it convenient to store more small items therein, making the application highly efficient in space utilization and more flexible in use. At the same time, the small objects to be placed are surrounded by the upper inner wall of the left vertical board 20, the upper inner wall of the right vertical board 30 and the upper inner wall of the rear vertical board 40, so that it is not easy to fall or be knocked over, so that Shelving stability is good.

Furthermore, through the above-mentioned optimized design, even if the whole constituted by the present application is indeed strong in practicability and excellent in use effect, the present application will certainly be effectively promoted and widely popularized.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

The above is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Under the utility model concept of the utility model, the equivalent structural transformation made by using the specification of the utility model and the contents of the accompanying drawings, Or directly/indirectly used in other relevant technical fields are all included in the patent protection scope of the present utility model.

Claims (8)

1. A fixed base for a computer host, characterized in that it comprises a bottom support plate, a left vertical plate standing on the left upper part of the bottom support plate along the front-rear direction, and a vertical plate fixed on the right upper part of the bottom support plate along the front-rear direction The right vertical plate, the rear vertical plate fixed on the rear upper part of the bottom pallet along the left and right directions, and the top pallet for placing small objects; The left vertical board, the right vertical board and the rear vertical board are of the same height; the left and right sides of the rear vertical board correspond to the rear side of the left vertical board and the rear side of the right vertical board. connected to form an integrated body, and the middle and lower part of the rear vertical board is provided with a wire passage opening through the inner and outer end faces; between the middle and upper parts of the inner side of the right vertical board. 2. The computer mainframe fixing base according to claim 1, wherein the front and rear lengths of the bottom support plate, the front and rear lengths of the left vertical plate, the front and rear lengths of the right vertical plate, and the front and rear lengths of the top support plate are all equal. 3. The computer mainframe fixing base according to claim 2, characterized in that, the upper middle part of the inner end surface of the left vertical plate is evenly provided with a plurality of left and right sides for supporting the top supporting plate from top to bottom along the front and rear directions. The left card slot on the side; the middle and upper part of the inner end surface of the right vertical plate is evenly opened with a plurality of right card slots for supporting the right side of the top supporting plate from top to bottom along the front and back direction; A plurality of said left card slots are opposite to a plurality of said right card slots one by one; Adjustable height position. 4. The computer mainframe fixing base according to claim 1, characterized in that, the front middle part of the top supporting board is provided with a grip opening passing through its upper and lower end surfaces, and the rear middle part of the top supporting board is provided with a wire passing through its upper and lower end surfaces Slots, and multi-tie brushes are fixed at even intervals in the wire passing troughs. 5. The computer mainframe fixing base according to claim 1, further comprising a front baffle; the front baffle is fixed on the front upper part of the bottom bracket along the left and right directions, and its height is less than or equal to 15.0cm. 6 . The fixing base of the computer mainframe according to claim 1 , characterized in that, four corners of the lower bottom surface of the bottom support plate are respectively fixed with a universal wheel, and each universal wheel is respectively equipped with a brake. 7 . 7. The computer mainframe fixing base according to any one of claims 1-6, characterized in that the middle and lower part of the left vertical plate is evenly opened with a plurality of left ventilation holes running through the inner and outer end surfaces from top to bottom along the front and back directions. Heat dissipation grooves; the middle and lower part of the right vertical plate is evenly opened with a plurality of right ventilation heat dissipation grooves running through its inner and outer end surfaces from top to bottom along the front and rear directions. 8. The computer mainframe fixing base according to claim 7, characterized in that, a plurality of said left ventilation and heat dissipation grooves are inclined towards the lower left side of said left vertical plate; a plurality of said right ventilation and heat dissipation grooves are Open towards the lower right side of the right vertical board.