阅读说明：本技术 一种防潮防撞击的计算机主机防护装置 (Dampproofing crashproof main frame protector ) 是由 杨杰 尹向东 谭明 于 2019-09-05 设计创作，主要内容包括：本发明公开了一种防潮防撞击的计算机主机防护装置,包括壳体、主防护板、顶板、副防护板、主限位板、副限位板、限位弹簧、伸缩弹簧、副防护槽、抽屉、连杆、拉环、滑杆、固定杆、移动块、拉杆、弧形板、防护弹簧、转杆、连接块、连接弹簧和凸块,所述壳体对应两侧对称开设有主防护槽,所述壳体一端开设有副防护槽,本发明通过主防护板和副防护板挤压限位弹簧和伸缩弹簧,限位弹簧和伸缩弹簧在压缩后产生一个反向的弹力,从而推动主防护板或副防护板向着远离放置槽的方向运动,从而对主机进行固定,通过干燥剂对主机内的空气进行除湿,达到防潮的功能,对主机进行防护,节省主机修理所耗费的时间,提高工作效率。(The invention discloses a damp-proof and anti-collision computer host protective device, which comprises a shell, a main protective plate, a top plate, an auxiliary protective plate, a main limiting plate, an auxiliary limiting plate, a limiting spring, a telescopic spring, an auxiliary protective groove, a drawer, a connecting rod, a pull ring, a slide rod, a fixed rod, a movable block, a pull rod, an arc-shaped plate, a protective spring, a rotating rod, a connecting block, a connecting spring and a lug, wherein the shell is symmetrically provided with the main protective groove corresponding to two sides, one end of the shell is provided with the auxiliary protective groove, the limiting spring and the telescopic spring are extruded by the main protective plate and the auxiliary protective plate, the limiting spring and the telescopic spring generate reverse elastic force after being compressed, so that the main protective plate or the auxiliary protective plate is pushed to move towards the direction far away from a placing groove, the host is fixed, air in the host is dehumidified by, the time consumed by repairing the host is saved, and the working efficiency is improved.)

1. The utility model provides a dampproofing crashproof main frame protector which characterized in that: comprises a shell (1), a main protection plate (2), a top plate (3), an auxiliary protection plate (6), a main limitation plate (8), an auxiliary limitation plate (10), a limiting spring (13), a telescopic spring (15), an auxiliary protection groove (16), a drawer (18), a connecting rod (20), a pull ring (21), a slide rod (22), a fixed rod (23), a moving block (24), a pull rod (25), an arc-shaped plate (27), a protection spring (28), a rotating rod (29), a connecting block (30), a connecting spring (32) and a lug (33), wherein the main protection groove (12) is symmetrically arranged at the corresponding two sides of the shell (1), the auxiliary protection groove (16) is arranged at one end of the shell (1), the placement groove (9) is arranged at the top of the shell (1), clamping grooves (7) are symmetrically arranged at the two sides of the top of the shell (1) positioned at the placement groove (9), the, grooves (5) are symmetrically formed in the top of the top plate (3);

a main protection plate (2) is arranged in the main protection groove (12), the main protection plate (2) is connected in the main protection groove (12) in a sliding mode, limiting springs (13) are arranged in the main protection groove (12) at equal intervals, and two ends of each limiting spring (13) are fixedly connected with the shell (1) and the main protection plate (2) respectively;

an auxiliary protection plate (6) is arranged in the auxiliary protection groove (16), the auxiliary protection plate (6) is connected in the auxiliary protection groove (16) in a sliding mode, telescopic springs (15) are arranged in the auxiliary protection groove (16) at equal intervals, and two ends of each telescopic spring (15) are fixedly connected with the shell (1) and the auxiliary protection plate (6) respectively;

the main limiting plate (8) is symmetrically arranged on the inner walls of the two sides of the placing groove (9), the top end of the main limiting plate (8) is rotatably connected with the shell (1) through a hinge, a mounting groove (31) is formed in the inner wall, located below the main limiting plate (8), of the placing groove (9), a connecting block (30) and a connecting spring (32) are arranged in the mounting groove (31), the connecting block (30) is slidably connected in the mounting groove (31), the two ends of the connecting spring (32) are fixedly connected with the connecting block (30) and the shell (1) respectively, the bottom end of the main limiting plate (8) is rotatably connected with a connecting rod (20) through a hinge, and one end, far away from the main limiting plate (8), of the connecting rod (20) is rotatably connected;

an auxiliary limiting plate (10) is arranged on one side, close to the auxiliary protection plate (6), of the placing groove (9), a limiting groove (35) is formed in the inner wall, located below the auxiliary limiting plate (10), of the placing groove (9), a protruding block (33) and a protection spring (28) are arranged in the limiting groove (35), the protruding block (33) is connected into the limiting groove (35) in a sliding mode, two ends of the protection spring (28) are fixedly connected with the protruding block (33) and the shell (1) respectively, the bottom end of the auxiliary limiting plate (10) is connected with a rotating rod (29) in a rotating mode through a hinge, and one end, far away from the main limiting plate (8), of the rotating rod (29) is connected with the protruding block (33;

the fixing rods (23) are symmetrically arranged in the top plate (3), the bottom of the top plate (3) at the bottom end of each fixing rod (23) is arranged in the corresponding clamping groove (7), the top of each fixing rod (23) is provided with a moving groove (34), a moving block (24) is connected in the moving groove (34) in a sliding mode, the top of each moving block (24) is fixedly provided with a sliding rod (22), the top end of each sliding rod (22) is arranged in the corresponding groove (5), the bottom of each moving block (24) is provided with a pull rod (25) at an equal angle, the outer side of each fixing rod (23) is provided with a connecting groove (26) at an equal angle, each connecting groove (26) is opposite to each pull rod (25), the bottom end of each fixing rod (23) is provided with an arc-shaped plate (27) at an equal angle, the bottom end of each arc-shaped plate (27) is rotatably connected, one end of the pull rod (25) far away from the moving block (24) penetrates through the connecting groove (26) to be connected with the corresponding arc-shaped plate (27).

2. The host computer protection device against moisture and impact as claimed in claim 1, wherein the bottom end of the pull rod (25) is pivotally connected to the corresponding curved plate (27) by a hinge.

3. The host computer protection device for preventing moisture and impact according to claim 1, wherein sliding grooves (14) are symmetrically formed in two sides of the main protection groove (12), and two ends of the main protection plate (2) are respectively arranged in the corresponding sliding grooves (14).

4. The host computer protection device for preventing moisture and impact according to claim 1, wherein the two sides of the auxiliary protection groove (16) are symmetrically provided with slide ways (17), and two ends of the auxiliary protection plate (6) are respectively arranged in the corresponding slide ways (17).

5. The host computer protection device for preventing moisture and impact according to claim 1, wherein a pull ring (21) is disposed in the groove (5), and one end of the sliding rod (22) disposed in the groove (5) is fixedly connected to the pull ring (21).

6. The host computer protection device for preventing moisture and impact according to claim 1, wherein a drawer (18) is installed on one side of the housing (1), a drying agent is placed in the drawer (18), communication holes (19) are formed in the bottom of the placement groove (9) at equal intervals, and the drawer (18) is communicated with the placement groove (9) through the communication holes (19).

7. The host computer protection device for preventing moisture and impact according to claim 1, wherein wiring slots (11) are formed in one side of the shell (1) away from the auxiliary protection plate (6) at equal intervals, and the wiring slots (11) are communicated with the placing slot (9).

8. The host computer protection device against moisture and impact according to claim 1, wherein a plurality of data interfaces (4) are installed on the top of the top plate (3).

Technical Field

The invention relates to a protection device, in particular to a moisture-proof and impact-proof computer host protection device, and belongs to the technical field of computer protection application.

Background

The computer is commonly called as computer, is a modern electronic computing machine for high-speed computation, can perform numerical computation and logic computation, and also has the function of storage and memory. The intelligent electronic device is a modern intelligent electronic device capable of automatically processing mass data at high speed according to program operation, and people can place the computer to a place where the work is not affected simply, but the computer is inevitably collided by an object to cause the computer to be damaged.

The main frame protector of the computer that has the patent grant publication number CN207906791U now, this main frame protector, it places under the table to have solved the main frame mostly, the space is less at the bottom of the table, the user has uncomfortable, and can not remove, still can make the host computer be harmed because of the water on the ground, and the host computer is placed and is easily played on the ground, thereby make the host computer receive the problem of damage, however, this main frame protector mounting structure is complicated, can't realize quick installation, and simultaneously, can not prevent damp to the main frame, the main frame still can produce the vibration after the effect of power is received to the computer shell, can not be fine protect the host computer, for this reason, we provide a main frame protector of dampproofing crashproof.

Disclosure of Invention

The technical problem solved by the invention is as follows:

(1) how to push the connecting block and the lug through the protection spring and the connecting spring, and the connecting block and the lug push the connecting rod and the rotating rod to move, so that the connecting rod and the rotating rod push the main limiting plate and the auxiliary limiting plate to rotate, and the host is fixed, and the problem that the host is difficult to fix in the prior art is solved;

(2) how to extrude the limiting spring and the telescopic spring under the action of external force by the main protection plate and the auxiliary protection plate, the limiting spring and the telescopic spring generate reverse elastic force after being compressed, so that the main protection plate or the auxiliary protection plate is pushed to move towards the direction far away from the placing groove, the host is protected, the air in the host is dehumidified by the desiccant, a moisture-proof function is achieved, and the problem that a protection box of the host is difficult to be protected in the prior art is solved;

(3) how to mutually support through slide bar and dead lever for the arc produces the rotation under the pulling force effect of pull rod, thereby extrudees torque spring, and torque spring produces one and effort opposite direction's elasticity after receiving to be acted on, thereby makes the arc antiport, and the arc top is mutually supported with the draw-in groove, solves the problem that is difficult to quick closed protector among the prior art.

The purpose of the invention can be realized by the following technical scheme: a main computer protection device capable of preventing moisture and impact comprises a shell, a main protection plate, a top plate, an auxiliary protection plate, a main limiting plate, an auxiliary limiting plate, a limiting spring, a telescopic spring, an auxiliary protection groove, a drawer, a connecting rod, a pull ring, a slide rod, a fixed rod, a movable block, a pull rod, an arc-shaped plate, a protection spring, a rotating rod, a connecting block, a connecting spring and a lug, wherein the shell is symmetrically provided with the main protection groove corresponding to two sides;

the main protection groove is internally provided with a main protection plate, the main protection plate is connected in the main protection groove in a sliding mode, limiting springs are arranged in the main protection groove at equal intervals, and two ends of each limiting spring are fixedly connected with the shell and the main protection plate respectively;

an auxiliary protection plate is arranged in the auxiliary protection groove and is connected in the auxiliary protection groove in a sliding mode, telescopic springs are arranged in the auxiliary protection groove at equal intervals, and two ends of each telescopic spring are fixedly connected with the shell and the auxiliary protection plate respectively;

the device comprises a placing groove, a shell and a connecting spring, wherein main limiting plates are symmetrically arranged on the inner walls of the placing groove corresponding to two sides, the top end of each main limiting plate is rotatably connected with the shell through a hinge, a mounting groove is formed in the inner wall of the placing groove below the main limiting plate, the mounting groove is internally provided with the connecting block and the connecting spring, the connecting block is slidably connected in the mounting groove, two ends of the connecting spring are respectively fixedly connected with the connecting block and the shell, the bottom end of the main limiting plate is rotatably connected with a connecting rod through the hinge, and one end;

an auxiliary limiting plate is arranged on one side, close to the auxiliary protection plate, of the placing groove, a limiting groove is formed in the inner wall, located below the auxiliary limiting plate, of the placing groove, a protruding block and a protection spring are arranged in the limiting groove, the protruding block is connected in the limiting groove in a sliding mode, two ends of the protection spring are fixedly connected with the protruding block and the shell respectively, the bottom end of the auxiliary limiting plate is rotatably connected with a rotating rod through a hinge, and one end, far away from the main limiting plate, of the rotating rod is rotatably connected with the protruding;

the inside symmetry of roof is provided with the dead lever, dead lever bottom roof bottom sets up in the draw-in groove that corresponds, the shifting chute has been seted up at the dead lever top, sliding connection has the movable block in the shifting chute, the movable block top is fixed with the slide bar, and the top setting of slide bar is in the recess, the equal angle in movable block bottom is provided with the pull rod, the spread groove has been seted up to equal angle in the dead lever outside, and the spread groove just sets up to the pull rod, equal angle in dead lever bottom is provided with the arc, and the arc bottom is passed through torque spring and is connected with the dead lever rotation, the one end that torque spring was kept away from to the arc cooperatees with the draw-in groove, the one.

The invention has further technical improvements that: the bottom end of the pull rod is rotatably connected with the corresponding arc-shaped plate through a hinge.

The invention has further technical improvements that: the main protection groove is symmetrically provided with sliding grooves on two sides, and two ends of the main protection plate are respectively arranged in the corresponding sliding grooves.

The invention has further technical improvements that: the slide ways are symmetrically arranged on two sides of the auxiliary protection groove, and two ends of the auxiliary protection plate are respectively arranged in the corresponding slide ways.

The invention has further technical improvements that: a pull ring is arranged in the groove, and one end of the sliding rod, which is arranged in the groove, is fixedly connected with the pull ring.

The invention has further technical improvements that: the drying agent is placed in the drawer, the intercommunicating pores are formed in the bottom of the placing groove at equal intervals, and the drawer is communicated with the placing groove through the intercommunicating pores.

The invention has further technical improvements that: wiring grooves are formed in one side, far away from the auxiliary protection plate, of the shell in an equidistant mode and are communicated with the placing groove.

The invention has further technical improvements that: and a plurality of data interfaces are installed at the top of the top plate.

Compared with the prior art, the invention has the beneficial effects that:

1. when the invention is used, the main machine is placed on the top of the shell, so that the main machine is opposite to the placing groove, when the main machine enters the placing groove, two main limit plates and one auxiliary limit plate in the placing groove are extruded, when the main limit plates and the auxiliary limit plates receive pressure, the bottom ends of the main limit plates and the auxiliary limit plates respectively push the connecting rod and the rotating rod, because the length of the connecting rod and the rotating rod is kept unchanged, the connecting rod and the rotating rod respectively push the connecting block and the lug after receiving the pushing force, so that the protection spring and the connecting spring are compressed after receiving the force, the compressed protection spring and the connecting spring have the elasticity opposite to the acting force, so that the main limit plate and the auxiliary limit plate are reversely pushed to extrude the main machine, when the main machine completely enters the placing groove, the main limit plate and the auxiliary limit plate form the pushing force for the main machine, through main limiting plate, vice limiting plate, connecting rod, bull stick, protection spring and connecting spring's setting, fix the host computer, prevent that the host computer from incessantly rocking when receiving external force collision, damage internals, increase the life of host computer, reduce economic loss.

2. When the shell is collided by external force, the main protection plate or the auxiliary protection plate can extrude the limiting spring and the telescopic spring, so that the limiting spring and the telescopic spring generate reverse elastic force after being compressed, thereby pushing the main protection plate or the auxiliary protection plate to move towards the direction far away from the placing groove to realize the protection of the main machine, the desiccant in the drawer realizes the moisture-proof function to the host, the main protection plate and the auxiliary protection plate extrude the limit spring and the expansion spring under the action of external force, the limit spring and the expansion spring generate reverse elasticity after being compressed, thereby pushing the main protection plate or the auxiliary protection plate to move towards the direction far away from the placing groove so as to protect the main machine, the desiccant dehumidifies air in the host machine, achieves a damp-proof function, protects the host machine, saves time consumed by repairing the host machine, and improves working efficiency.

3. After the host is placed in the placing groove, the top plate is placed at the top of the shell, the top plate is pressed downwards, so that the fixed rod enters the clamping groove, the side wall of the clamping groove extrudes the arc-shaped plate with equal angle, the torsion spring contracts after being stressed by force, when the arc-shaped plate completely enters the clamping groove, the acting force on the torsion spring disappears, the arc-shaped plate rotates towards the direction far away from the fixed rod, the arc-shaped plate and the clamping groove are mutually matched to form a limit position, the top plate is fixed at the top of the shell, when the top plate needs to be opened, the pull ring is pulled upwards, so that the pull ring drives the slide rod to move upwards, thereby enabling the moving block to move in the moving groove, the length of the pull rod is unchanged, and the two ends of the pull rod are respectively connected with the arc-shaped plate and the moving block in a rotating mode, make spacing between arc and the draw-in groove relieve, thereby make the roof open, through mutually supporting of slide bar and dead lever, make the arc produce the rotation under the pulling force effect of pull rod, thereby extrude torsion spring, torsion spring produces one after receiving from the effect with effort opposite direction's elasticity, thereby make arc antiport, the arc top is mutually supported with the draw-in groove, moreover, the steam generator is simple in structure, the simple operation, better protection host computer, save the time of sealing the roof, and the work efficiency is improved.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic perspective view of the housing of the present invention;

FIG. 3 is a schematic view of the installation structure of the main protection plate and the auxiliary protection plate according to the present invention;

FIG. 4 is an enlarged view of the area A of the present invention;

FIG. 5 is an enlarged view of the area B of the present invention;

FIG. 6 is a schematic view of a connection structure of a main limiting plate according to the present invention;

FIG. 7 is an enlarged view of the area D of the present invention;

FIG. 8 is a schematic view of the internal structure of the placement groove of the present invention;

FIG. 9 is an enlarged view of the area C of the present invention;

FIG. 10 is an enlarged view of area E of the present invention.

In the figure: 1. a housing; 2. a main protection plate; 3. a top plate; 4. a data interface; 5. a groove; 6. a secondary guard plate; 7. a card slot; 8. a main limit plate; 9. a placement groove; 10. a secondary limit plate; 11. a wiring slot; 12. a main guard tank; 13. a limiting spring; 14. a chute; 15. a tension spring; 16. a secondary guard tank; 17. a slideway; 18. a drawer; 19. a communicating hole; 20. a connecting rod; 21. a pull ring; 22. a slide bar; 23. fixing the rod; 24. a moving block; 25. a pull rod; 26. connecting grooves; 27. an arc-shaped plate; 28. a guard spring; 29. a rotating rod; 30. connecting blocks; 31. mounting grooves; 32. a connecting spring; 33. a bump; 34. a moving groove; 35. a limiting groove.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, a main protection device for a damp-proof and impact-proof computer host includes a housing 1, a main protection plate 2, a top plate 3, an auxiliary protection plate 6, a main limit plate 8, an auxiliary limit plate 10, a limit spring 13, a telescopic spring 15, an auxiliary protection groove 16, a drawer 18, a connecting rod 20, a pull ring 21, a slide rod 22, a fixing rod 23, a moving block 24, a pull rod 25, an arc plate 27, a protection spring 28, a rotating rod 29, a connecting block 30, a connecting spring 32 and a bump 33, wherein the housing 1 is symmetrically provided with the main protection groove 12 corresponding to two sides, one end of the housing 1 is provided with the auxiliary protection groove 16, the top of the housing 1 is provided with a placement groove 9, the top of the housing 1 is symmetrically provided with clamping grooves 7 at two sides of the placement groove 9, the top of the housing 1 is;

a main protection plate 2 is arranged in the main protection groove 12, the main protection plate 2 is connected in the main protection groove 12 in a sliding mode, limiting springs 13 are arranged in the main protection groove 12 at equal intervals, and two ends of each limiting spring 13 are fixedly connected with the shell 1 and the main protection plate 2 respectively;

an auxiliary protection plate 6 is arranged in the auxiliary protection groove 16, the auxiliary protection plate 6 is connected in the auxiliary protection groove 16 in a sliding mode, telescopic springs 15 are arranged in the auxiliary protection groove 16 at equal intervals, and two ends of each telescopic spring 15 are fixedly connected with the shell 1 and the auxiliary protection plate 6 respectively;

main limiting plates 8 are symmetrically arranged on the inner walls of the two corresponding sides of the placing groove 9, the top end of each main limiting plate 8 is rotatably connected with the shell 1 through a hinge, a mounting groove 31 is formed in the inner wall, below the main limiting plate 8, of the placing groove 9, a connecting block 30 and a connecting spring 32 are arranged in the mounting groove 31, the connecting block 30 is slidably connected in the mounting groove 31, two ends of the connecting spring 32 are fixedly connected with the connecting block 30 and the shell 1 respectively, the bottom end of the main limiting plate 8 is rotatably connected with a connecting rod 20 through a hinge, and one end, away from the main limiting plate 8, of the connecting rod 20 is rotatably connected;

an auxiliary limiting plate 10 is arranged on one side, close to the auxiliary protection plate 6, of the placing groove 9, a limiting groove 35 is formed in the inner wall, located below the auxiliary limiting plate 10, of the placing groove 9, a protruding block 33 and a protection spring 28 are arranged in the limiting groove 35, the protruding block 33 is connected in the limiting groove 35 in a sliding mode, two ends of the protection spring 28 are fixedly connected with the protruding block 33 and the shell 1 respectively, the bottom end of the auxiliary limiting plate 10 is rotatably connected with a rotating rod 29 through a hinge, and one end, far away from the main limiting plate 8, of the rotating rod 29 is rotatably connected with the protruding block;

the fixing rods 23 are symmetrically arranged in the top plate 3, the bottom of the top plate 3 at the bottom end of each fixing rod 23 is arranged in a corresponding clamping groove 7, a moving groove 34 is formed in the top of each fixing rod 23, a moving block 24 is connected in the moving groove 34 in a sliding mode, a sliding rod 22 is fixed to the top of each moving block 24, the top end of each sliding rod 22 is arranged in a groove 5, pull rods 25 are arranged at the bottom of each moving block 24 at equal angles, connecting grooves 26 are formed in the outer sides of the fixing rods 23 at equal angles, the connecting grooves 26 are opposite to the opposite pull rods 25, arc-shaped plates 27 are arranged at the bottom ends of the fixing rods 23 at equal angles, the bottom ends of the arc-shaped plates 27 are rotatably connected with the fixing rods 23 through torsion springs, one ends, far away from the torsion springs, of the arc.

The bottom end of the pull rod 25 is rotatably connected with the corresponding arc-shaped plate 27 through a hinge, and the arc-shaped plate 27 is conveniently matched with the clamping groove 7 through the rotatably connected arc-shaped plate 27.

Sliding grooves 14 are symmetrically formed in two sides of the main protection groove 12, two ends of the main protection plate 2 are respectively arranged in the corresponding sliding grooves 14, and the main protection plate 2 is prevented from moving out of the main protection groove 12 through the arrangement of the sliding grooves 14.

Slide 17 has been seted up to vice protecting trough 16 bilateral symmetry, the both ends of vice guard plate 6 set up respectively in the slide 17 that corresponds, through the setting of slide 17, prevent that vice guard plate 6 from moving out vice protecting trough 16.

A pull ring 21 is arranged in the groove 5, one end of the sliding rod 22, which is arranged in the groove 5, is fixedly connected with the pull ring 21, and the force-bearing area is increased and the physical consumption of an operator is saved through the arrangement of the pull ring 21.

Drawer 18 is installed to casing 1 one side, the drier has been placed in the drawer 18, the intercommunicating pore 19 has been seted up to standing groove 9 bottom equidistance, and drawer 18 passes through intercommunicating pore 19 and standing groove 9 intercommunication, through the setting of drier, dehumidifies the host computer in the standing groove 9.

The wiring groove 11 has been seted up to one side equidistance that the vice guard plate 6 was kept away from to casing 1, and wiring groove 11 and standing groove 9 intercommunication, through the setting of wiring groove 11, is convenient for install the connecting wire of host computer.

And a plurality of data interfaces 4 are arranged at the top of the top plate 3.

The working principle is as follows: when the invention is used, firstly, a host is placed on the top of a shell 1, so that the host is arranged right opposite to a placing groove 9, when the host enters the placing groove 9, two main limit plates 8 and one auxiliary limit plate 10 in the placing groove 9 are extruded, when the main limit plates 8 and the auxiliary limit plates 10 receive pressure, the bottom ends of the main limit plates 8 and the auxiliary limit plates 10 respectively push a connecting rod 20 and a rotating rod 29, because the lengths of the connecting rod 20 and the rotating rod 29 are kept unchanged, the connecting rod 20 and the rotating rod 29 respectively push a connecting block 30 and a lug 33 after receiving pushing force, so that a protection spring 28 and a connecting spring 32 are compressed after receiving force, the compressed protection spring 28 and the connecting spring 32 have elastic force opposite to the acting force, so that the main limit plate 8 and the auxiliary limit plate 10 are reversely pushed to extrude the host, when the host completely enters the placing groove 9, the main limit plates 8 and the auxiliary limit plates 10 form a pushing force for the host, thereby fixing the host, when the shell 1 is collided by external force, the main protection plate 2 or the auxiliary protection plate 6 can extrude the limit spring 13 and the expansion spring 15, so that the limit spring 13 and the expansion spring 15 generate reverse elasticity after being compressed, thereby pushing the main protection plate 2 or the auxiliary protection plate 6 to move towards the direction far away from the placing groove 9, thereby realizing the protection of the host, after the host is placed in the placing groove 9, the top plate 3 is placed at the top of the shell 1, the top plate 3 is pressed downwards, so that the fixed rod 23 enters the clamping groove 7, the side wall of the clamping groove 7 extrudes the arc-shaped plate 27 with equal angle, the torsion spring contracts after being acted by force, when the arc-shaped plate 27 completely enters the clamping groove 7, the acting force to the torsion spring disappears, the arc-shaped plate 27 rotates towards the direction far away from the fixed rod 23, the arc-shaped plate 27 and the clamping groove 7 are, fix roof 3 at casing 1 top, when roof 3 need be opened, upwards stimulate pull ring 21, make pull ring 21 drive slide bar 22 upward movement, thereby make movable block 24 move in shifting chute 34, because the length of pull rod 25 is unchangeable, and the both ends of pull rod 25 rotate with arc 27 and movable block 24 respectively and be connected, make movable block 24 drive the motion of pull rod 25 in the motion, arc 27 uses torsion spring's one end as the original point, rotate towards the direction of dead lever 23, make spacing between arc 27 and the draw-in groove 7 remove, thereby make roof 3 obtain opening.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.