CN214728558U

CN214728558U - Vehicle-mounted server

Info

Publication number: CN214728558U
Application number: CN202120443297.4U
Authority: CN
Inventors: 袁焰锋; 陶涛
Original assignee: Shanghai Yanqiang Electronic Technology Co ltd
Current assignee: Shanghai Yanqiang Electronic Technology Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-11-16
Anticipated expiration: 2031-03-01

Abstract

The utility model provides a vehicle-mounted server, which is arranged in a containing cavity in a vehicle body and comprises a slide rail structure, a server body and a damping structure, wherein the slide rail structure is arranged in the containing cavity, and the server body is arranged on the slide rail structure in a sliding way; shock-absorbing structure includes buffer layer, buffer layer and damper down, and wherein, the top surface butt of server body in the bottom surface butt of last buffer layer, server body in buffer layer down, the slide rail structure passes lower buffer layer and connects in the automobile body through the damper. The utility model discloses a shock-absorbing structure absorbs vibrations, has reduced the influence of vibrations to the server body, makes the server body be in a relatively stable state to improve the stability of server body work in the environment of jolting, help expanding this on-board server's application range. The problem that the existing server is not suitable for a bumpy environment is solved.

Description

Vehicle-mounted server

Technical Field

The utility model belongs to the technical field of the server, concretely relates to vehicular server.

Background

A server is a type of computer that runs faster, has a higher load, and is more expensive than a normal computer. The server provides calculation or application services for other clients (such as terminals like PC, smart phone, ATM and the like and even large equipment like train systems and the like) in the network.

The vehicle-mounted server is one type of server, and is characterized by being placed on a moving vehicle and being convenient to use in a field environment. There is a big problem in the vehicular server in the use, and in the environment of jolting promptly, the vibrations that the server received are big, and operating stability is poor, and inside each spare part is after shaking for a long time, and the interface breaks away from each other, and the frequency of maintaining when operating stability is poor increases.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vehicular server has solved current server and has been not suitable for the problem of the environment of jolting.

The utility model discloses the technical scheme who adopts does:

a vehicle-mounted server is placed in a containing cavity in a vehicle body and comprises a slide rail structure, a server body and a damping structure, wherein the slide rail structure is arranged in the containing cavity, and the server body is arranged on the slide rail structure in a sliding manner;

shock-absorbing structure includes buffer layer, buffer layer and damper down, and wherein, the top surface butt of server body in the bottom surface butt of last buffer layer, server body in buffer layer down, the slide rail structure passes lower buffer layer and connects in the automobile body through the damper.

The vehicle-mounted server absorbs the vibration through the damping structure, so that the influence of the vibration on the server body is reduced, and the server body is in a relatively stable state, thereby improving the working stability of the server body in a bumpy environment and being beneficial to expanding the application range of the vehicle-mounted server.

Optionally, the upper shock absorbing layer and the lower shock absorbing layer are both made of flexible materials;

the shock absorption piece comprises a containing hole arranged on the vehicle body, an elastic piece and a connecting rod, wherein the elastic piece and the connecting rod are fixed in the containing hole;

the connecting rod is provided with a closed cylinder, the connecting rod penetrates through an end plate of the closed cylinder to be connected to the slide rail structure, the bottom surface of the slide rail structure is abutted against the end plate of the closed cylinder, and the cylinder wall of the closed cylinder is abutted against the wall surface of the accommodating hole.

Optionally, the slide rail structure comprises a first slide rail fixed in the accommodating cavity and a second slide rail arranged on the first slide rail in a sliding manner, and the second slide rail is provided with a pushing part which extends upwards to the position above the top surface of the first slide rail;

the server body is arranged on the first sliding rail in a sliding manner;

the server also comprises a supporting structure, the lower end of the supporting structure is arranged on the vehicle body in a sliding manner, and the upper end of the supporting structure is hinged to the second sliding rail;

the server body is pulled outwards to slide along the first sliding rail, the pushing portion abuts against the server body, so that the second sliding rail slides outwards along with the server body, the second sliding rail drives the supporting structure to slide, and the supporting structure gradually inclines to support the second sliding rail.

Optionally, a first sliding groove is formed in the first sliding rail, the second sliding rail is slidably disposed in the first sliding groove, and a hinge seat is further disposed on the second sliding rail;

the first sliding rail is also provided with a connecting groove, and the supporting structure is hinged to the hinge base after penetrating through the connecting groove.

Optionally, the support structure comprises a chute and a stay bar, wherein the chute is vertically arranged on the vehicle body and is positioned below the first slide rail; the lower end of the stay bar is arranged in the sliding groove in a sliding mode, and the upper end of the stay bar penetrates through the connecting groove to be hinged to the hinge base.

Optionally, the width of the sliding groove is gradually reduced from bottom to top so as to clamp the support rod; or the upper end of the sliding chute is provided with a clamping part, the clamping part comprises a clamping groove communicated with the sliding chute and a flexible clamping body fixedly arranged in the clamping groove, and the flexible clamping body is provided with a gap for clamping the stay bar;

the stay bar is provided with a pull ring so as to pull the stay bar down.

Optionally, a second sliding groove matched with the hinge base is further formed in the second sliding rail, and the second sliding groove extends from one end of the second sliding rail to the middle of the second sliding rail;

when the second slide rail is accommodated on the first slide rail, the hinge seat is positioned at the end part of the second slide rail so as to enable the stay bar to be in a vertical state and to be accommodated in the vehicle body;

when the second slide rail slides outwards, the hinged seat is positioned in the middle of the second slide rail so that the support rod is in an inclined state to support the second slide rail.

Optionally, the number of the first slide rails is at least two, and the adjacent first slide rails are parallel to each other;

the server body is provided with at least two clamping blocks, the clamping blocks are arranged in a one-to-one correspondence with the first sliding rails, the clamping blocks are arranged in the first sliding grooves in a sliding mode, and the second sliding rails are located below the clamping blocks.

Optionally, a switch board for controlling the opening and closing of the accommodating cavity is arranged at the opening of the accommodating cavity, the switch board is arranged on the vehicle body in a sliding manner along the vertical direction, the upper end of the switch board is a plug-in end, and a buckling groove is formed in the outer wall surface of the switch board; correspondingly, the vehicle body is provided with an insertion groove, and the insertion end is connected to the insertion groove in an interference fit manner.

Optionally, the inner side of the switch board is provided with at least one fixing seat, the fixing seat is detachably connected with a support rod, and the other end of the support rod abuts against the server body.

The utility model has the advantages that:

After the server body is in a relatively stable state through the damping structure, the interface looseness caused by vibration between each internal interface is reduced, the server body is prevented from being overhauled, the maintenance frequency is reduced, the server body caused by the looseness of the interface is prevented from running abnormally, and the use experience is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a server body when the server body is accommodated in an accommodating cavity;

FIG. 2 is a schematic structural view of the server body when pulled out of the accommodating cavity;

FIG. 3 is a schematic view of the slide rail structure in cooperation with a shock absorbing member;

FIG. 4 is a schematic structural view of a slide rail structure;

fig. 5 is a schematic view of the structure of the chucking part.

In the figure: 1. a vehicle body; 2. a slide rail structure; 3. a server body; 4. a support structure; 5. a switch plate; 6. a support bar; 21. a first slide rail; 22. a second slide rail; 201. a pushing part; 202. a hinged seat; 211. a first sliding groove; 212. connecting grooves; 213. a second sliding groove; 301. a clamping block; 41. a chute; 42. a stay bar; 401. a clamping groove; 402. a flexible clamping body; 71. an upper shock absorbing layer; 72. a lower shock-absorbing layer; 73. a shock absorbing member; 731. a receiving hole; 732. an elastic member; 733. a connecting rod; 8. and (7) a cover plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, the vehicle-mounted server of the present embodiment is placed in an accommodating cavity in a vehicle body 1, and includes a slide rail structure 2, a server body 3 and a damping structure, wherein the slide rail structure 2 is disposed in the accommodating cavity, and the server body 3 is slidably disposed on the slide rail structure 2; the shock-absorbing structure comprises an upper shock-absorbing layer 71, a lower shock-absorbing layer 72 and a shock-absorbing piece 73, wherein the top surface of the server body 3 abuts against the upper shock-absorbing layer 71, the bottom surface of the server body 3 abuts against the lower shock-absorbing layer 72, and the slide rail structure 2 penetrates through the lower shock-absorbing layer 72 and is connected to the vehicle body 1 through the shock-absorbing piece 73.

When this server was placed in the car, thereby go up buffer layer 71 and lower buffer layer 72 and mutually support and press from both sides tight server body 3, go up buffer layer 71 and lower buffer layer 72 and make by flexible material, possess certain elasticity, when automobile body 1 was through the highway section of jolting, go up the vibrations that buffer layer 71 and lower buffer layer 72 absorbed server body 3 and received, reduce the influence of vibrations to server body 3 work.

For the part of the server body 3 connected with the slide rail, the part is blocked by the slide rail structure 2, the lower damping layer 72 does not completely cover the bottom surface of the server body 3, at this time, the slide rail structure 2 is connected with the damping piece 73, and the damping piece 73 also plays a role in damping, so that the damping effect is ensured. Optionally, the shock absorbing member 73 is provided with a plurality of shock absorbing members along the length direction of the slide rail structure 2, and the specific number is determined according to the actual use condition, and the utility model discloses do not do any restriction to this.

The vehicle-mounted server absorbs the vibration through the damping structure, so that the influence of the vibration on the server body 3 is reduced, and the server body 3 is in a relatively stable state, thereby improving the working stability of the server body 3 in a bumpy environment and contributing to expanding the application range of the vehicle-mounted server.

After the server body 3 is in a relatively stable state through the damping structure, the interface looseness caused by vibration between each internal interface is reduced, the server body 3 is prevented from being overhauled, the maintenance frequency is reduced, the server body 3 caused by the interface looseness is prevented from running abnormally, and the use experience is improved.

In the specific embodiment provided by the present invention, the upper shock absorbing layer 71 and the lower shock absorbing layer 72 are made of flexible material; optionally, the type of the flexible material is selected according to actual conditions, and the present invention does not limit this.

In an option, the shock absorbing member 73 includes a receiving hole 731 disposed on the vehicle body 1, an elastic member 732 fixed in the receiving hole 731, and a connecting rod 733, wherein a lower end of the connecting rod 733 is fixedly connected to the elastic member 732, and an upper end of the connecting rod 733 is detachably connected to the sliding rail structure 2; the connecting rod 733 is provided with a closed cylinder, the connecting rod 733 is connected to the slide rail structure 2 through an end plate of the closed cylinder, a bottom surface of the slide rail structure 2 abuts against the end plate of the closed cylinder, and a cylinder wall of the closed cylinder abuts against a wall surface of the receiving hole 731.

When the shock absorbing member 73 works, the upper end of the connecting rod 733 is provided with threads, and the slide rail structure 2 is connected to the connecting rod 733 through nuts, or is connected to the slide rail structure 2 through other detachable connection modes, such as flange connection and pin connection. In the case of vibration, the vibration received by the rail structure 2 is transmitted to the elastic member 732 through the link 733, and the elastic member 732 deforms to absorb the vibration.

The elastic member 732 deforms and the sealing cylinder slides up and down along the accommodating hole 731, so that the sealing cylinder blocks the accommodating hole 731, impurities such as dust are prevented from entering the accommodating hole 731, corrosion to the connecting rod 733 and the elastic member 732 is reduced, and the service life of the damping member 73 is prolonged.

Alternatively, the resilient member 732 may be a spring, an elastomer material, or any other suitable member, but the invention is not limited thereto.

Optionally, the slide rail structure 2 includes a first slide rail 21 fixed in the accommodating cavity and a second slide rail 22 slidably disposed on the first slide rail 21, and the second slide rail 22 is provided with a pushing portion 201, and the pushing portion 201 extends upward to above the top surface of the first slide rail 21; the server body 3 is arranged on the first slide rail 21 in a sliding manner; the server further comprises a supporting structure 4, the lower end of the supporting structure 4 is arranged on the vehicle body 1 in a sliding mode, and the upper end of the supporting structure 4 is hinged to the second sliding rail 22;

the server body 3 is pulled outwards to slide along the first slide rail 21, the pushing portion 201 abuts against the server body 3, so that the second slide rail 22 slides outwards along the server body 3, the second slide rail 22 drives the supporting structure 4 to slide, and the supporting structure 4 gradually inclines to support the second slide rail 22.

When maintaining the server, server body 3 sets up in holding the intracavity through slide rail structure 2, and when server body 3 outwards slided along first slide rail 21, bearing structure 4 moved along with second slide rail 22, and bearing structure 4 slopes gradually and constitutes the bracing, then server body 3 slides to holding the intracavity when outer, and server body 3 presses on second slide rail 22, and bearing structure 4 has propped up second slide rail 22, has avoided server body 3 to fall, has improved the security of maintaining.

Alternatively, the pushing portion 201 may be configured in any suitable structure, and the present invention is not limited thereto.

The difficulty of the mobile server body 3 is reduced through the arrangement of the sliding rail structure 2, the server body 3 can be conveniently and quickly taken out by a worker, and the improvement of the maintenance efficiency is facilitated. The supporting structure 4 plays a supporting role in the sliding rail structure 2, the integral stress capacity of the sliding rail structure 2 and the supporting structure 4 is improved, meanwhile, a bearing part is formed, the maintenance is convenient for workers to maintain on the spot, the server body 3 does not need to be transferred to other places, and the efficiency of maintenance operation is improved. The slide rail structure 2 and the supporting structure 4 have the advantages of simple operation and convenience in learning and mastering in the using process.

In the specific embodiment provided by the present invention, the first slide rail 21 is provided with a first slide groove 211, the second slide rail 22 is slidably disposed in the first slide groove 211, and the second slide rail 22 is further provided with a hinge seat 202; the width of the first slide groove 211 matches the width of the second slide rail 22. And it will be readily appreciated that the hinge base 202 may be configured in any suitable configuration, and the present invention is not limited in this respect.

Preferably, a plurality of pulleys are installed on the side wall of the second slide rail 22, that is, the second slide rail 22 is slidably disposed in the first slide groove 211 through the pulleys, which helps to reduce the frictional resistance, and when the pulleys abut against the groove wall of the first slide groove 211, the first slide groove 211 limits the movement of the pulleys, thereby preventing the second slide rail 22 from separating from the first slide rail 21.

The first slide rail 21 is further provided with a connecting slot 212, and the support structure 4 is hinged to the hinge base 202 after passing through the connecting slot 212. As shown in fig. 1 and 2, the connecting slot 212 is located at one end of the first slide rail 21 near the opening of the receiving cavity so as to match the position of the supporting structure 4.

Meanwhile, the cover plate 8 is arranged on the first slide rail 21, so that the shock absorbing member 73 and the second slide rail 22 are separated, and the shock absorbing member 73 is prevented from blocking the sliding of the second slide rail 22.

In the specific embodiment provided by the present invention, the supporting structure 4 comprises a sliding groove 41 and a supporting rod 42, wherein the sliding groove 41 is vertically disposed on the vehicle body 1 and located below the first sliding rail 21; the lower end of the stay rod 42 is slidably disposed in the sliding groove 41, and the upper end of the stay rod 42 is hinged to the hinge base 202 through the connecting groove 212.

The second slide rail 22 drives the stay bar 42 to move, so that the stay bar 42 is mutually converted between a vertical state and an inclined state, specifically, as shown in fig. 1, when the second slide rail 22 is accommodated on the first slide rail 21, the stay bar 42 is in the vertical state and is accommodated in the vehicle body 1, thereby reducing the occupied space and improving the space utilization rate. As shown in fig. 2, when the server is maintained, that is, when the second slide rail 22 slides outward, the stay 42 is in an inclined state to support the second slide rail 22.

When the stay bar 42 plays a role of supporting, the gravity of the server body 3 is transmitted to the chute 41, and is offset by the friction force between the stay bar 42 and the chute 41, thereby ensuring that the server body 3 is in a stable state. Alternatively, the groove width of the sliding groove 41 is gradually reduced from bottom to top to clamp the stay 42; i.e. the amount of friction force is increased by the interference fit.

Alternatively, the upper end of the sliding chute 41 is provided with a clamping part, the clamping part comprises a clamping groove 401 communicated with the sliding chute 41 and a flexible clamping body 402 fixedly arranged in the clamping groove 401, and the flexible clamping body 402 is provided with a gap for clamping the stay bar 42. The friction force is also improved by interference fit, but the flexible clamping body 402 can wrap the stay bar 42, so that the contact area is further increased, and the friction force is further improved. However, the structure of the clamping part is more complex and the cost is higher, and a user can select the clamping part according to actual use conditions.

In the specific embodiment provided by the present invention, the stay rod 42 is provided with a pull ring, and the stay rod 42 is pulled below. When the server body 3 is pushed back, the stay bar 42 may be locked, and at this time, the stay bar 42 is separated from the clamping structure at the upper end of the chute 41 by applying an acting force through the pull ring, so that the server body is convenient to recycle.

In the specific embodiment provided by the present invention, the second slide rail 22 is further provided with a second slide groove 213 matching with the hinge seat 202, the second slide groove 213 extends from one end of the second slide rail 22 to the middle of the second slide rail 22; in combination with the accommodating cavity, the second sliding groove 213 extends from one end of the second sliding rail 22 near the opening of the accommodating cavity to the middle of the second sliding rail 22.

The position change of the hinge base 202 will be described with reference to the position of the stay rod 42, wherein when the second slide rail 22 is received on the first slide rail 21, that is, when the server body 3 normally works, the hinge base 202 is located at the end of the second slide rail 22, so that the stay rod 42 is in the vertical state and is received in the vehicle body 1.

When the second slide rail 22 slides outward, that is, when the server body 3 is maintained, the hinge base 202 is located in the middle of the second slide rail 22, so that the support rod 42 is in an inclined state to support the second slide rail 22.

In the specific embodiment provided by the present invention, at least two first slide rails 21 are provided, and adjacent first slide rails 21 are parallel to each other; the first slide rail 21, the second slide rail 22 and the clamping blocks 301 are arranged in a one-to-one correspondence.

At least two card blocks 301 are arranged on the server body 3, the card blocks 301 are arranged in one-to-one correspondence with the first slide rails 21, the card blocks 301 are arranged in the first slide grooves 211 in a sliding manner, and the second slide rails 22 are located below the card blocks 301. The clamping block 301 and the second slide rail 22 are mutually avoided, so that the server body 3, the second slide rail 22 and the support rod 42 can slide smoothly.

Alternatively, the clip block 301 may be configured in any suitable shape, and the invention is not limited in this respect.

The utility model provides an among the concrete implementation mode, the opening part that holds the chamber is equipped with and is used for the control to hold the switch board 5 of chamber switching, utilizes switch board 5 to carry out the shutoff, reduces impurity such as dust and adheres to on server body 3.

Alternatively, the switch plate 5 is slidably arranged on the vehicle body 1 along the vertical direction, the upper end of the switch plate 5 is a plug-in end, and the outer wall surface of the switch plate 5 is provided with a buckling groove; correspondingly, the vehicle body 1 is provided with an insertion groove, and the insertion end is connected to the insertion groove in an interference fit manner.

When the accommodating cavity is opened, upward acting force is applied to the switch board 5 through the buckling groove, the switch board 5 slides upwards to the inserting end to be inserted into the inserting groove, and meanwhile, the inserting groove enables the switch board 5 to be kept at the height through interference fit. The accommodating chamber is opened, and the server body 3 can be pulled out. On the contrary, the switch board 5 is pulled downwards through the catching groove, the acting force is larger than the friction force, and the switch board 5 slides downwards, so that the accommodating cavity is closed.

The utility model provides an among the concrete implementation mode, the inboard of switch board 5 is equipped with at least one fixing base, and it has bracing piece 6 to dismantle even on the fixing base, and bracing piece 6's other end butt is in server body 3. When the length of server body 3 was less than the length that holds the chamber promptly, in order to avoid server body 3 the gliding condition to appear in the use, set up bracing piece 6 and carry on spacingly to server body 3. The fixing base is matched with the supporting rod 6 to be arranged, the position of one end of the supporting rod 6 is determined, the position of the supporting rod 6 is fixed, and the supporting rod 6 is convenient to arrange.

Alternatively, the fixing base may be constructed in any suitable structure, and the present invention is not limited thereto.

As can be easily understood, the support rod 6 is one or more of a hydraulic support rod, a pneumatic support rod, a damping support rod or a mechanical support rod.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides a vehicular server places the intracavity that holds in automobile body (1), its characterized in that: the server comprises a sliding rail structure (2), a server body (3) and a damping structure, wherein the sliding rail structure (2) is arranged in an accommodating cavity, and the server body (3) is arranged on the sliding rail structure (2) in a sliding manner;

the shock absorption structure comprises an upper shock absorption layer (71), a lower shock absorption layer (72) and a shock absorption piece (73), wherein the top surface of the server body (3) abuts against the upper shock absorption layer (71) and the bottom surface of the server body (3) abuts against the lower shock absorption layer (72), and the slide rail structure (2) penetrates through the lower shock absorption layer (72) and is connected to the vehicle body (1) through the shock absorption piece (73).

2. The server of claim 1, wherein: the upper shock absorption layer (71) and the lower shock absorption layer (72) are both made of flexible materials;

the shock absorption piece (73) comprises a receiving hole (731) arranged on the vehicle body (1), an elastic piece (732) fixed in the receiving hole (731) and a connecting rod (733), wherein the lower end of the connecting rod (733) is fixedly connected to the elastic piece (732), and the upper end of the connecting rod (733) is detachably connected to the slide rail structure (2);

the connecting rod (733) is provided with a closed cylinder, the connecting rod (733) penetrates through an end plate of the closed cylinder to be connected to the slide rail structure (2), the bottom surface of the slide rail structure (2) is abutted against the end plate of the closed cylinder, and the cylinder wall of the closed cylinder is abutted against the wall surface of the accommodating hole (731).

3. The server of claim 1, wherein: the sliding rail structure (2) comprises a first sliding rail (21) fixed in the accommodating cavity and a second sliding rail (22) arranged on the first sliding rail (21) in a sliding manner, a pushing part (201) is arranged on the second sliding rail (22), and the pushing part (201) extends upwards to the position above the top surface of the first sliding rail (21);

the server body (3) is arranged on the first sliding rail (21) in a sliding manner;

the server further comprises a supporting structure (4), the lower end of the supporting structure (4) is arranged on the vehicle body (1) in a sliding mode, and the upper end of the supporting structure (4) is hinged to the second sliding rail (22);

the server body (3) is pulled outwards to slide along the first sliding rail (21), the pushing portion (201) abuts against the server body (3) so that the second sliding rail (22) slides outwards along the server body (3), the second sliding rail (22) drives the supporting structure (4) to slide, and the supporting structure (4) gradually inclines to support the second sliding rail (22).

4. The server of claim 3, wherein: a first sliding groove (211) is formed in the first sliding rail (21), the second sliding rail (22) is arranged in the first sliding groove (211) in a sliding mode, and a hinge seat (202) is further arranged on the second sliding rail (22);

the first sliding rail (21) is further provided with a connecting groove (212), and the supporting structure (4) penetrates through the connecting groove (212) and then is hinged to the hinge base (202).

5. The server of claim 4, wherein: the supporting structure (4) comprises a sliding chute (41) and a support rod (42), wherein the sliding chute (41) is vertically arranged on the vehicle body (1) and is positioned below the first sliding rail (21); the lower end of the support rod (42) is arranged in the sliding groove (41) in a sliding mode, and the upper end of the support rod (42) penetrates through the connecting groove (212) to be hinged to the hinge base (202).

6. The server of claim 5, wherein: the groove width of the sliding groove (41) is gradually reduced from bottom to top so as to clamp the support rod (42); or the upper end of the sliding chute (41) is provided with a clamping part, the clamping part comprises a clamping groove (401) communicated with the sliding chute (41) and a flexible clamping body (402) fixedly arranged in the clamping groove (401), and a gap for clamping the stay bar (42) is arranged on the flexible clamping body (402);

the stay bar (42) is provided with a pull ring so as to pull down the stay bar (42).

7. The server according to any one of claims 1-6, wherein: the second sliding rail (22) is also provided with a second sliding groove (213) matched with the hinge seat (202), and the second sliding groove (213) extends to the middle part of the second sliding rail (22) from one end of the second sliding rail (22);

when the second slide rail (22) is stored on the first slide rail (21), the hinged seat (202) is positioned at the end part of the second slide rail (22) so that the support rod (42) is in a vertical state and is stored in the vehicle body (1);

when the second slide rail (22) slides outwards, the hinged seat (202) is positioned in the middle of the second slide rail (22) so as to enable the support rod (42) to be in an inclined state to support the second slide rail (22).

8. The server of claim 3, wherein: the number of the first sliding rails (21) is at least two, and the adjacent first sliding rails (21) are parallel to each other;

the server body (3) is provided with at least two clamping blocks (301), the clamping blocks (301) and the first sliding rails (21) are arranged in a one-to-one correspondence mode, the clamping blocks (301) are arranged in the first sliding grooves (211) in a sliding mode, and the second sliding rails (22) are located below the clamping blocks (301).

9. The server of claim 7, wherein: a switch plate (5) used for controlling the opening and closing of the accommodating cavity is arranged at the opening of the accommodating cavity, the switch plate (5) is arranged on the vehicle body (1) in a sliding mode along the vertical direction, the upper end of the switch plate (5) is a plug-in end, and a buckling groove is formed in the outer wall surface of the switch plate (5); correspondingly, the vehicle body (1) is provided with an insertion groove, and the insertion end is connected to the insertion groove in an interference fit manner.

10. The server of claim 9, wherein: the inboard of switch board (5) is equipped with at least one fixing base, and the link can be dismantled on the fixing base and have bracing piece (6), and the other end butt of bracing piece (6) is in server body (3).