CN114104490B

CN114104490B - Protecting device suitable for magnetic head transportation of various mechanical hard disks

Info

Publication number: CN114104490B
Application number: CN202111570668.6A
Authority: CN
Inventors: 雷超
Original assignee: Nanjing Dunda Intelligent Technology Co ltd
Current assignee: Nanjing Dunda Intelligent Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2023-09-15
Anticipated expiration: 2041-12-21
Also published as: CN114104490A

Abstract

The invention discloses a protecting device suitable for magnetic head transportation of various mechanical hard disks, which relates to the technical field of auxiliary tools of computer storage equipment, has the advantage of reducing the occurrence of magnetic head damage, and has the technical scheme that: including placing the box, place the box bottom of box and be equipped with the first fixed column that supplies the hole male behind the magnetic head, be equipped with the second fixed column that supplies the hole male before the magnetic head on placing the box bottom of box, the arc spout that supplies the second fixed column to remove or keep away from to first fixed column direction is seted up to the box bottom of placing the box, the box bottom of placing the box is equipped with fixed second fixed column in spout position for the second fixed column is contradicted and is then fixed driving piece with the magnetic head with the hole before the magnetic head.

Description

Protecting device suitable for magnetic head transportation of various mechanical hard disks

Technical Field

The invention relates to the technical field of auxiliary tools of computer storage equipment, in particular to a protecting device suitable for magnetic head transportation of various mechanical hard disks.

Background

Hard disks are currently the primary external storage medium, and therefore the operating efficiency of computer systems depends to a large extent on the data transfer speed between the hard disk and the memory, especially in the business of data services, image processing, etc. The internal transmission speed of a hard disk is mainly determined by the speed of a magnetic head for reading and writing data from and on a disk. The current read-write mode of the magnetic head is that a plurality of discs are arranged in a hard disc, and each disc surface of each disc is provided with a read-write magnetic head. The current magnetic head structure is shown in fig. 7, the magnetic head 2 is provided with a front hole 22 and a rear hole 21 for weight reduction, the other side is provided with a magnetic head flexible flat cable 23, and the flexible flat cable 23 is connected with a connector 24.

When the hard disk repair and data recovery industry relates to the storage and transportation of a hard disk magnetic head, if the magnetic head collides with other objects in the moving process, the magnetic head is easy to damage.

Disclosure of Invention

Aiming at the technical defects, the invention aims to provide a protecting device suitable for the transportation of magnetic heads of various mechanical hard disks, and has the advantage of reducing the occurrence of the damage condition of the magnetic heads.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention provides a protection device suitable for magnetic head transportation of various mechanical hard disks, which comprises a placement box, wherein a first fixing column for inserting a magnetic head rear hole is arranged at the bottom of the placement box, a second fixing column for inserting a magnetic head front hole is arranged at the bottom of the placement box, an arc-shaped chute for moving or keeping away the second fixing column towards the first fixing column is arranged at the bottom of the placement box, and a driving piece for fixing the second fixing column in the chute is arranged at the bottom of the placement box, so that the second fixing column is abutted against the magnetic head front hole to fix the magnetic head.

Through adopting above-mentioned technical scheme, put into the box with the magnetic head, in the back hole inserts first fixed column this moment, the user passes through the position of driving piece change second fixed column for the second fixed column wears out from the magnetic head front hole, and unclamp the driving piece back second fixed column and the conflict of magnetic head front hole, and then fix the magnetic head, reduce the collision of magnetic head and other objects this moment, reduce the magnetic head damage condition and take place.

Preferably, the driving piece is including seting up the standing groove at the outside box bottom of standing box, the standing groove rotation is connected with the plectrum, the one end of plectrum is connected with the one end that the spout was stretched out to the second fixed column, and the other end rotates the tank bottom of connecting at the standing groove, the point that plectrum and standing groove rotate to be connected coincides with the centre of a circle of arc spout, the driving groove has been seted up at one side of plectrum to the tank bottom of standing groove, be equipped with extension spring on one side cell wall of driving groove, one side that the driving groove was kept away from to extension spring extends the plectrum and keeps away from the driving groove, one side that the plectrum was towards the driving groove is equipped with the drive column, extension spring keeps away from one end that is connected with the drive column cell wall be equipped with the pothook with drive column outer wall joint, when extension spring is in the primitive state, the plectrum drives second fixed column and spout and keeps away from one side cell wall conflict of first fixed column.

Preferably, the inside box bottom of placing the box is equipped with the fixer of a plurality of fixed magnetic head soft flat cables, the fixer includes the fixed slat of placing the inside box bottom of box through the bolt fastening, fixed slat one end is contradicted with the inner wall of placing the box, and the other end extends to adjacent box wall, threaded connection has a plurality of carding teeth on the fixed slat, and each carding tooth has the clearance and supplies the soft flat cables entering of magnetic head between the tooth, each carding tooth distributes along fixed slat edge, carding tooth has placed the sponge layer in the space that forms with placing the box inner wall.

Preferably, one end of the fixed slat is rotationally connected with the bottom of the placement box, the rotational connection point is close to the wall of the placement box, the other end of the fixed slat is provided with a connecting column penetrating into the bottom of the placement box, the connecting column is connected with the bottom of the placement box in a threaded manner, when the fixed slat rotates, the bottom of the placement box is provided with a plurality of connecting holes for connecting the connecting column, the fixed slat is L-shaped, one side of the fixed slat is obliquely arranged, the other side of the fixed slat is horizontally extended, the horizontal part of the fixed slat is provided with a connecting block, and the connecting column is penetrated on the connecting block.

Preferably, one end of the driving column extends to a side surface of the shifting piece, which deviates from the driving groove, and the driving column is provided with a moving rod in a penetrating way at the extending end, one end of the moving rod extends out of one end of the driving column, which is close to the bottom of the driving groove, and a sucker is arranged at the extending end, an annular clamping groove for clamping a clamping hook is formed in one side, which is close to the sucker, of the driving column, when the sucker is in contact with the bottom of the driving groove, one end, which is far away from the sucker, of the moving rod is positioned in the driving column, and a power piece for driving the moving rod to reciprocate in the driving column is arranged on the moving rod.

Preferably, the power piece is including seting up in the actuating cylinder and supplying the removal groove that the movable rod reciprocated from top to bottom, the internal thread connection of removal groove has a spacing section of thick bamboo, the movable rod wears out the actuating cylinder from the barrel head of spacing section of thick bamboo, the movable rod slides in spacing section of thick bamboo and is connected with the backup pad, be equipped with the compression spring of cover outside the movable rod in the backup pad, the one end that the backup pad was kept away from to compression spring is contradicted with spacing barrel head, spacing barrel head outer wall is equipped with first support column, the movable rod is equipped with the second support column at the one end that extends spacing barrel head, first support column and second support column all are equipped with the inclined plane in one side that is close to each other, when two inclined planes are contradicted, first support column and second support column form a cylinder.

Preferably, a driving disc with a diameter larger than that of the second support column is arranged on one end, away from the moving rod, of the second support column.

Preferably, a clamping hole for the moving rod to enter is formed in the second support column, when one end of the moving rod enters the clamping hole, the outer wall of the second support column is in threaded connection with a locking column, and one end of the locking column enters the clamping hole to be in threaded connection with the outer wall of the moving rod.

Preferably, the upper end of the placement box is hinged with a transparent cover plate which covers the box opening of the placement box, and when the cover plate seals the box opening of the placement box, the lower end face of the cover plate is abutted against the upper ends of the first fixing column and the second fixing column.

Preferably, the outer wall of the bottom of the placement box is provided with a plurality of arc-shaped bulges for supporting the placement box, and the bulges are provided with four corners and are respectively positioned at the four corners of the placement box.

The invention has the beneficial effects that: the magnetic head is placed in the placement box, the rear hole is inserted into the first fixing column, a user changes the position of the second fixing column through the driving piece, the second fixing column penetrates out of the front hole of the magnetic head, the second fixing column is abutted to the front hole of the magnetic head after the driving piece is loosened, the magnetic head is further fixed, the collision between the magnetic head and other objects is reduced, and the damage condition of the magnetic head is reduced.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic view of the structure of the present embodiment for embodying the comb teeth;

fig. 3 is a schematic structural diagram of a plectrum in this embodiment;

FIG. 4 is an enlarged schematic view of the portion A in FIG. 3;

fig. 5 is a schematic view of a structure for embodying a movable rod of the present embodiment;

fig. 6 is a schematic structural diagram of the card hole according to the present embodiment;

FIG. 7 is a schematic diagram of a conventional magnetic head.

Reference numerals illustrate:

in the figure: 1. placing a box; 11. a first fixing column; 12. a second fixing column; 121. a chute; 13. a placement groove; 131. a pulling piece; 132. a driving groove; 133. a tension spring; 134. a drive column; 135. a clamping hook; 14. fixing the lath; 141. carding teeth; 142. a sponge layer; 143. a connecting column; 144. a connection hole; 145. a connecting block; 15. a moving rod; 151. a suction cup; 152. a clamping groove; 16. a moving groove; 161. a limiting cylinder; 162. a support plate; 163. a compression spring; 164. a first support column; 165. a second support column; 166. an inclined surface; 167. a drive plate; 17. a clamping hole; 171. locking the column; 18. a cover plate; 181. a protrusion; 2. a magnetic head; 21. a rear hole; 22. a front hole; 23. soft flat cable; 24. a connector.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The utility model provides a be suitable for protection device of multiple mechanical hard disk magnetic head transportation, like fig. 1 and 2, including placing box 1, the box bottom of placing box 1 is equipped with the first fixed column 11 that supplies hole 21 male behind the magnetic head 2, is equipped with the second fixed column 12 that supplies hole 22 male before the magnetic head 2 on the box bottom of placing box 1, and the arc spout 121 that supplies second fixed column 12 to remove or keep away from to first fixed column 11 direction is seted up to the box bottom of placing box 1, and the box bottom of placing box 1 is equipped with fixed second fixed column 12 and puts in spout 121 for second fixed column 12 is contradicted and is then fixed driving piece with magnetic head 2 with hole 22 before the magnetic head 2.

As shown in fig. 1 and 2, the magnetic head 2 is placed in the placement box 1, at this time, the rear hole 21 is inserted into the first fixing post 11, and a user changes the position of the second fixing post 12 through the driving member, so that the second fixing post 12 passes out of the front hole 22 of the magnetic head 2, and after the driving member is released, the second fixing post 12 collides with the front hole 22 of the magnetic head 2, so that the magnetic head 2 is fixed on the first fixing post 11 and the second fixing post 12, at this time, the collision between the magnetic head 2 and other objects is reduced, and the damage condition of the magnetic head 2 is reduced.

As shown in fig. 3 and 4, the driving member comprises a placing groove 13 arranged at the bottom of the outer box of the placing box 1, a pulling piece 131 is rotationally connected to the placing groove 13, one end of the pulling piece 131 is connected with one end of the second fixing column 12 extending out of the chute 121, the other end is rotationally connected to the bottom of the placing groove 13, the point where the pulling piece 131 is rotationally connected with the placing groove 13 coincides with the circle center of the arc chute 121, so that the pulling piece 131 drives the second fixing column 12 to move in the chute 121, a driving groove 132 is arranged at one side of the pulling piece 131 at the bottom of the placing groove 13, a tension spring 133 is arranged on one side wall of the driving groove 132, one end of the driving groove 132 far from the tension spring 133 extends out of one side of the pulling piece 131 far from the driving groove 132, one side of the pulling piece 131 facing the driving groove 132 is provided with a driving column 134, one end of the tension spring 133 far from the chute wall connected with the driving groove 132 is provided with a clamping hook 135 clamped with the outer wall of the driving column 134, when the tension spring 133 is in an original state, the pulling piece 131 drives the second fixing column 12 to abut against the groove wall of one side of the sliding groove 121 far away from the first fixing column 11, at this time, the distance between the first fixing column 11 and the second fixing column 12 is farthest, when the magnets with different sizes need to be fixed, the gaps between the front hole 22 and the rear hole 21 of the magnetic head 2 are different, at this time, the pulling piece 131 can be pulled to drive the second fixing column 12 to move in the sliding groove 121, so that the tension spring 133 is stretched, and then the gap between the second fixing column 12 and the first fixing column 11 meets the gap between the front hole 22 and the rear hole 21 of the magnetic head 2, when the second fixing column 12 enters the front hole 22, the pulling piece 131 is released, at this time, the pulling piece 131 is driven to move in a direction far away from the first fixing column 11 under the action of the tension spring 133, and then the first fixing column 11 abuts against the wall of the rear hole 21, at this time, the second fixing column 12 abuts against the wall of the front hole 22, so that the position of the magnetic head 2 is fixed.

In order to further fix the flexible flat wires 23 and the connectors 24 on the magnetic head 2, as shown in fig. 2 and 3, the inner bottom of the placement box 1 is provided with a plurality of holders for fixing the flexible flat wires 23 of the magnetic head 2, the holders comprise fixing strips 14 fixed on the inner bottom of the placement box 1 by bolts, one end of each fixing strip 14 is abutted against the inner wall of the placement box 1, the other end extends to the adjacent box wall, a plurality of carding teeth 141 are connected to the fixing strips 14 in a threaded manner, gaps exist between the carding teeth 141 and are used for the flexible flat wires 23 of the magnetic head 2 to enter, the carding teeth 141 are distributed along the edges of the fixing strips 14, and a sponge layer 142 is placed in the space formed by the carding teeth 141 and the inner wall of the placement box 1. When the flexible flat cable 23 and the connector 24 need to be fixed, the flexible flat cable 23 of the magnetic head 2 is arranged right and passes through the gap between the carding teeth 141, then the redundant flexible flat cable 23 and the connector 24 are placed in the space formed by the fixed slat 14 and the inner wall of the placement box 1, then the sponge layer 142 is placed in the space, and the position of the connector 24 is pressed, so that the movement of the connector 24 is limited.

As shown in fig. 2 and 3, one end of the fixing strip plate 14 is rotatably connected with the bottom of the box 1, the rotation connection point is close to the wall of the box 1, the other end is provided with a connecting column 143 penetrating into the bottom of the box 1, the connecting column 143 is connected with the bottom of the box 1 in a threaded manner, when the fixing strip plate 14 rotates, the bottom of the box 1 is provided with a plurality of connecting holes 144 for connecting the connecting column 143, the fixing strip plate 14 is in an L shape, one side of the fixing strip plate 14 is obliquely arranged, the other side horizontally extends, the horizontal part of the fixing strip plate 14 is provided with a connecting block 145, and the connecting column 143 is arranged on the connecting block 145 in a penetrating manner. The purpose of this design is to rotate the fixed lath 14 so that the comb teeth 141 rotate toward the head 2, thereby facilitating the passage of the flexible flat wires 23 through the comb teeth 141, separating the connector 24 from the head 2, and then screwing the connector through the connecting posts 143 and the connecting holes 144, thereby restricting the position of the fixed lath 14, if the flexible flat wires 23 of the heads 2 of different sizes are short when they pass through the comb teeth 141.

As shown in fig. 3 and 5, after the magnetic head 2 is fixed in the placement box 1, the paddle 131 cannot swing at this time, so that the position of the paddle 131 needs to be fixed, at this time, one end of the driving post 134 extends to a side surface of the paddle 131 away from the driving slot 132, and the driving post 134 is provided with a moving rod 15 in a penetrating manner at the extending end, one end of the moving rod 15 extends out of one end of the driving post 134 near the bottom of the driving slot 132, and one end of the driving post 134 extending out is provided with a sucking disc 151, one side of the driving post 134 near the sucking disc 151 is provided with an annular clamping slot 152 for clamping the clamping hook 135, when the sucking disc 151 abuts against the bottom of the driving slot 132, one end of the moving rod 15 far away from the sucking disc 151 is located in the driving post 134, and a power piece for driving the moving rod 15 to reciprocate in the driving post 134 is arranged on the moving rod 15.

As shown in fig. 3 and 5, the power member drives the moving rod 15 to move at the bottom of the driving groove 132, so that the suction cup 151 is engaged with the bottom of the driving groove 132, thereby fixing the position of the pulling piece 131, the clamping groove 152 is convenient for connecting the clamping hook 135 with the driving column 134, and the suction cup 151 is arranged at the position of the clamping groove 152, thereby limiting the movement of the clamping hook 135 in the clamping groove 152. When the pulling piece 131 needs to be moved, the power piece drives the moving rod 15 to move in the driving column 134 in the direction away from the bottom of the driving groove 132, so that the sucker 151 is separated from the bottom of the driving groove 132, and the pulling piece 131 is convenient to move again.

As shown in fig. 5 and 6, the power member includes a moving slot 16 provided in the driving column 134 and used for the moving rod 15 to reciprocate up and down, the moving slot 16 is internally and in threaded connection with a limiting cylinder 161, the moving rod 15 passes out of the driving column 134 from the bottom of the limiting cylinder 161, the moving rod 15 is slidably connected with a supporting plate 162 in the limiting cylinder 161, a compression spring 163 sleeved outside the moving rod 15 is provided on the supporting plate 162, one end of the compression spring 163 far away from the supporting plate 162 is in contact with the bottom of the limiting cylinder 161, the outer wall of the bottom of the limiting cylinder 161 is provided with a first supporting column 164, one end of the moving rod 15 extending out of the bottom of the limiting cylinder 161 is provided with a second supporting column 165, the first supporting column 164 and the second supporting column 165 are respectively provided with an inclined plane 166 at one side close to each other, and when the two inclined planes 166 are in contact.

As shown in fig. 5 and 6, when the compression spring 163 is in the original state, the suction cup 151 on the moving rod 15 is sucked with the bottom of the driving groove 132, when the suction cup 151 needs to be separated from the bottom of the driving groove 132, the second support column 165 is pulled to drive the moving rod 15 to move away from the bottom of the driving groove 132, when the second support column 165 is pulled to above the first support column 164, the second support column 165 is rotated to drive the moving rod 15, at the moment, the lower end of the second support column 165 is abutted against the upper end of the first support column 164, so that the compression spring 163 is in the compressed state and has an elastic restoring force, when the suction cup 151 needs to be sucked with the bottom of the driving groove 132, the user rotates the second support column 165 again, so that the inclined surfaces 166 on the second support column 165 and the first support column 164 are opposite, then the elastic restoring force of the compression spring 163 drives the moving rod 15 to move towards the bottom of the driving groove 132, and the user can push the moving rod 15 to move towards the bottom of the driving groove 132 until the suction cup 151 is abutted against the two inclined surfaces 166.

As shown in fig. 5 and 6, the end of the second support column 165 remote from the moving rod 15 is provided with a drive disk 167 having a diameter larger than the diameter of the second support column 165. The user can easily pull the second support column 165.

As shown in fig. 5 and 6, a clamping hole 17 for the moving rod 15 to enter is formed in the second supporting column 165, when one end of the moving rod 15 enters the clamping hole 17, the outer wall of the second supporting column 165 is in threaded connection with a locking column 171, and one end of the locking column 171 enters the clamping hole 17 to be in threaded connection with the outer wall of the moving rod 15. The locking post 171 now secures the position of the travel bar 15 within the second support post 165, facilitating removal of the travel bar 15 from the second support post 165.

As shown in fig. 1, the upper end of the placement box 1 is hinged with a transparent cover plate 18 covering the box opening of the placement box 1, and when the cover plate 18 seals the box opening of the placement box 1, the lower end surface of the cover plate 18 is abutted against the upper ends of the first fixing column 11 and the second fixing column 12. At this time, the end of the cover plate 18, which is far away from the hinge joint with the placement box 1, can be connected with the upper end box wall of the placement box 1 through magnetic adsorption, and when the cover plate 18 seals the box opening of the placement box 1, the lower end surface of the cover plate 18 is abutted against the upper ends of the first fixing column 11 and the second fixing column 12.

As shown in fig. 3, the outer wall of the bottom of the placement box 1 is provided with a plurality of arc-shaped protrusions 181 for supporting the placement box 1, and the protrusions 181 are provided with four corner points respectively located on the placement box 1. The arrangement of the protrusions 181 enables the placement box 1 to have an intermittent motion with the tabletop after being placed on the tabletop, so that collision and interference of the poking piece 131 with other objects are reduced.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides a be suitable for protection device of multiple mechanical hard disk magnetic head transportation, includes places box (1), its characterized in that, place box (1) box bottom be equipped with supply magnetic head (2) back hole (21) male first fixed column (11), be equipped with supply magnetic head (2) front hole (22) male second fixed column (12) on placing box (1) box bottom, place box (1) box bottom offer supply second fixed column (12) to first fixed column (11) direction remove or arc spout (121) that keep away from, place box (1) box bottom be equipped with fixed second fixed column (12) in spout (121) internal position for second fixed column (12) are contradicted with magnetic head (2) front hole (22) and are then with magnetic head (2) fixed driving piece;

the driving piece comprises a placing groove (13) arranged at the bottom of the outer box of the placing box (1), a pulling piece (131) is rotationally connected to one end of the pulling piece (131) and one end of a second fixing column (12) extending out of a sliding groove (121) are connected, the other end of the pulling piece is rotationally connected to the groove bottom of the placing groove (13), a point of the pulling piece (131) rotationally connected with the placing groove (13) coincides with the circle center of the arc-shaped sliding groove (121), a driving groove (132) is formed in the groove bottom of the placing groove (13) at one side of the pulling piece (131), a tension spring (133) is arranged on a groove wall at one side of the driving groove (132), one end of the driving groove (132) away from the tension spring (133) extends out of one side of the driving groove (132), one side of the pulling piece (131) faces towards the driving groove (132), one end of the tension spring (133) away from the driving groove (132) is provided with a clamping hook (135) clamped with the outer wall of the driving groove (134), and when the tension spring (132) is in a state of being away from the first fixing column (121), and the first fixing column (11) is kept away from the first fixing column (121);

drive post (134) one end extends to plectrum (131) and deviates from a side of drive groove (132) just drive post (134) wears to be equipped with movable rod (15) in the one end that extends, movable rod (15) one end extends drive post (134) and is close to the one end of drive groove (132) tank bottom and be equipped with sucking disc (151) in the one end that extends, annular draw-in groove (152) that supply pothook (135) joint are seted up to one side that is close to sucking disc (151) drive post (134), when sucking disc (151) contradict with drive groove (132) tank bottom, the one end that movable rod (15) kept away from sucking disc (151) is located drive post (134), be equipped with the power piece of drive movable rod (15) round trip movement in drive post (134) on movable rod (15).

2. A protection device suitable for the transportation of magnetic heads of various mechanical hard disks, as in claim 1, characterized in that said inner bottom of the placement box (1) is provided with a plurality of holders for fixing the flexible flat wires (23) of the magnetic heads (2), said holders comprise a fixed slat (14) fixed to the inner bottom of the placement box (1) by means of bolts, one end of said fixed slat (14) is in contact with the inner wall of the placement box (1) and the other end extends to the adjacent wall of the box, said fixed slat (14) is screwed with a plurality of carding teeth (141), with gaps between the individual carding teeth (141) and for the flexible flat wires (23) of the magnetic heads (2) to enter, each of said carding teeth (141) being distributed along the edges of the fixed slat (14), said carding teeth (141) being provided with a layer of sponge (142) in the space formed with the inner wall of the placement box (1).

3. A protection device suitable for transportation of magnetic heads of multiple mechanical hard disks according to claim 2, characterized in that one end of the fixed slat (14) is rotatably connected with the bottom of the accommodating case (1), the rotating connection point is close to the case wall of the accommodating case (1), the other end is provided with a connecting column (143) penetrating into the bottom of the accommodating case (1), the connecting column (143) is spirally connected with the bottom of the accommodating case (1), when the fixed slat (14) rotates, the bottom of the accommodating case (1) is provided with a plurality of connecting holes (144) for connecting the connecting column (143), the fixed slat (14) is L-shaped, one side of the fixed slat (14) is obliquely arranged, the other side horizontally extends, the horizontal part of the fixed slat (14) is provided with a connecting block (145), and the connecting column (143) is arranged on the connecting block (145) in a penetrating manner.

4. The protection device suitable for transportation of magnetic heads of various mechanical hard disks according to claim 1, wherein the power piece comprises a moving groove (16) which is formed in the driving column (134) and is used for the moving rod (15) to reciprocate up and down, the moving groove (16) is internally connected with a limiting column (161) in a threaded manner, the moving rod (15) penetrates out of the driving column (134) from the bottom of the limiting column (161), the moving rod (15) is slidably connected with a supporting plate (162) in the limiting column (161), the supporting plate (162) is provided with a compression spring (163) sleeved outside the moving rod (15), one end of the compression spring (163) away from the supporting plate (162) is abutted against the bottom of the limiting column (161), the outer wall of the bottom of the limiting column (161) is provided with a first supporting column (164), one end of the moving rod (15) extending out of the bottom of the limiting column (161) is provided with a second supporting column (165), the first supporting column (164) and the second supporting column (165) are provided with inclined planes (166) on one side close to each other, and when the two supporting columns (166) are abutted against each other, the first supporting column (165) and the second supporting column (165) are formed.

5. A protective device for head transport of multiple mechanical hard disks according to claim 4, characterized in that the end of the second support column (165) remote from the moving rod (15) is provided with a drive disk (167) having a diameter larger than the diameter of the second support column (165).

6. The protection device for transporting magnetic heads of multiple mechanical hard disks according to claim 4, wherein a clamping hole (17) for a moving rod (15) to enter is formed in the second supporting column (165), when one end of the moving rod (15) enters the clamping hole (17), a locking column (171) is in threaded connection with the outer wall of the second supporting column (165), and one end of the locking column (171) enters the clamping hole (17) to be in threaded connection with the outer wall of the moving rod (15).

7. The protection device suitable for transportation of magnetic heads of various mechanical hard disks according to claim 1, wherein the upper end of the placement box (1) is hinged with a transparent cover plate (18) covering the box opening of the placement box (1), and when the cover plate (18) seals the box opening of the placement box (1), the lower end face of the cover plate (18) is abutted against the upper ends of the first fixing column (11) and the second fixing column (12).

8. The protection device suitable for transporting magnetic heads of various mechanical hard disks according to claim 7, wherein the outer wall of the bottom of the accommodating box (1) is provided with a plurality of arc-shaped bulges (181) for supporting the accommodating box (1), and the bulges (181) are provided with four corners and are respectively positioned at the four corners of the accommodating box (1).