CN113724743A - Hard disk magnetic head with stress protection and disk damage avoidance - Google Patents
Hard disk magnetic head with stress protection and disk damage avoidance Download PDFInfo
- Publication number
- CN113724743A CN113724743A CN202110808018.4A CN202110808018A CN113724743A CN 113724743 A CN113724743 A CN 113724743A CN 202110808018 A CN202110808018 A CN 202110808018A CN 113724743 A CN113724743 A CN 113724743A
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- rod
- protection
- disk
- hard disk
- air
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- 238000001125 extrusion Methods 0.000 claims abstract description 31
- 238000005086 pumping Methods 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 238000003825 pressing Methods 0.000 abstract description 14
- 230000002265 prevention Effects 0.000 abstract description 8
- 238000003860 storage Methods 0.000 abstract description 7
- 241000251468 Actinopterygii Species 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 238000000605 extraction Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/40—Protective measures on heads, e.g. against excessive temperature
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/41—Cleaning of heads
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- Supporting Of Heads In Record-Carrier Devices (AREA)
Abstract
The invention relates to the technical field of magnetic heads, and discloses a hard disk magnetic head with stress protection and disk damage prevention, which comprises a fixed frame, wherein an arc-shaped groove is formed in the inner bottom wall of the fixed frame, the inner bottom wall of the fixed frame is rotatably connected with a rotating shaft, the top of the rotating shaft is sleeved with a rotating rod, a read-write head is welded on the right side of the bottom of the rotating rod, an air suction cylinder and a fixed cylinder are welded at the bottom of the rotating rod, a telescopic rod is inserted into the top of the rotating rod, and a pressing plate is welded at the top of the telescopic rod. Move down through the baffle and plug up the outlet duct, when the pump bowl was blown to the outlet duct, because the outlet duct was plugged up by the baffle, can get into in the gasbag through the connecting pipe, make the gasbag inflate the inflation fast, support on the interior diapire of mount, and then carry out a support to the dwang, the downwarping when having avoided the dwang to receive the deformation extrusion of mount roof leads to the fish tail of magnetic storage layer to the effect of protection readwrite head and disc when having reached and having received external force.
Description
Technical Field
The invention relates to the technical field of magnetic heads, in particular to a hard disk magnetic head with stress protection and disk damage prevention.
Background
The magnetic head of hard disk is a key part for reading data from hard disk, and its main function is to convert the magnetic information stored on the disk of hard disk into electric signal and transmit it outwards, and its working principle is to utilize the principle that the resistance value of special material can be changed with magnetic field to read and write the data on the disk, and the quality of magnetic head can largely determine the storage density of disk of hard disk.
The magnetic head is usually wrapped in a thin air layer on the surface of a disk, when the magnetic head works, the magnetic storage layer is scratched due to the fact that sufficient pressure is generated on the disk by the read-write head through external force, and in addition, other dirt or debris accidentally drops on the disk under the condition of excessive impact or vibration, so that the read-write head is easy to impact the disk, the read-write head is extremely easy to damage in the process, and therefore the hard disk magnetic head with stress protection and capable of avoiding damage of the disk is provided.
Disclosure of Invention
In order to overcome the above-mentioned deficiencies of the prior art, an object of the present invention is to provide a hard disk magnetic head with stress protection and capable of preventing the disk from being damaged, which has the advantages of preventing the magnetic storage layer from being scratched due to the sufficient pressure of the read/write head on the disk when the external force is applied, and preventing the read/write head from impacting the disk due to the dirt or debris falling on the disk, thereby preventing the read/write head from damaging the read/write head.
The invention adopts the following technical scheme for realizing the technical purpose: the utility model provides a hard disk magnetic head with atress protection and avoid disc damage, includes the mount, the arc wall has been seted up to the inner diapire of mount, the inner diapire of mount rotates and is connected with the axis of rotation, the dwang has been cup jointed at the top of axis of rotation, the right side welding of dwang bottom has the readwrite head, the bottom welding of dwang has an exhaust column and a solid fixed cylinder, peg graft at the top of dwang has the telescopic link, the top welding of telescopic link has the clamp plate.
As optimization, a movable rod is inserted into the bottom of the air pumping cylinder, a piston is welded at the top of the movable rod, a rotating ball is rotatably connected to the bottom of the movable rod, and an air outlet pipe is inserted into the right side of the air pumping cylinder.
As an optimization, reset spring has been cup jointed to the outside of movable rod, plays the effect of pushing the movable rod downwards, the piston is located the exhaust column, the inlet port has been seted up to the left top of exhaust column, the inside of outlet duct and inlet port all is provided with the check valve, the outlet duct runs through the fixed cylinder from the left side, the rolling ball is located the arc wall, the degree of depth at the both ends of arc wall is less than in the middle of, and the rolling ball can drive the rolling ball and reciprocate along with the degree of depth change of arc wall under reset spring's cooperation when sliding in the arc wall.
Preferably, the top of the air outlet pipe is inserted with a baffle, and the top of the baffle is welded with an extrusion rod.
As an optimization, the extrusion spring is sleeved outside the extrusion rod to drive the extrusion rod to reset upwards, the extrusion rod is located under the telescopic rod, the telescopic rod can drive the extrusion rod to move downwards when moving downwards, and the compression spring is sleeved outside the telescopic rod to drive the telescopic rod to reset upwards.
As optimization, the bottom of the fixed cylinder is inserted with an air bag, and the top of the air bag is welded with a connecting pipe.
Preferably, the top of the connecting pipe is communicated with the bottom of the air outlet pipe, when the air outlet pipe is blocked by the baffle, and when the air outlet pipe is inflated by the air pumping cylinder, air can enter the air bag through the connecting pipe.
Compared with the prior art, the invention provides a hard disk magnetic head with stress protection and disk damage prevention, which has the following beneficial effects:
1. when the hard disk magnetic head with stress protection and disk damage prevention works through a hard disk, the rotating rod can rotate around the rotating shaft in a reciprocating manner and further drive the read-write head to read and write information on the disk, when the rotating rod rotates, the rotating rod can drive the movable rod and the rotating ball to slide back and forth in the arc-shaped groove through the air exhaust tube, and the rotating rod can play a role in guiding the rotating rod, meanwhile, when the rotating ball slides back and forth in the arc-shaped groove, because the depths of two ends of the arc-shaped groove are lower than the middle, under the downward extrusion of the reset spring, the rotating ball can drive the movable rod to ascend or descend along with the depth change of the arc-shaped groove and further drive the piston to do reciprocating movement up and down in the air exhaust tube, when the piston moves down, the one-way valve in the air inlet tube is opened, the one-way valve in the air outlet tube is closed, outside air can be sucked into the air exhaust tube from the air inlet by the piston, and when the piston moves up, the check valve in the inlet port is closed, the check valve in the outlet pipe is opened, the air of the air pump can be pressed out from the inlet pipe by the piston and blown to the disk below the read-write head, and then the dirt or debris possibly existing on the disk is blown off, so that the effect of preventing the dirt or debris from falling on the disk and enabling the read-write head to impact the disk is achieved, and the damage to the read-write head is avoided.
2. The hard disk magnetic head with stress protection and disk damage prevention has the advantages that when the hard disk is extruded by external force in a working state, the top wall of the fixing frame is easy to deform and contact with the pressure plate, and then the pressing plate is extruded downwards, when the pressing plate moves downwards, the telescopic rod is driven to move downwards to extrude the extrusion rod, the extrusion rod further drives the baffle plate to move downwards to block the air outlet pipe, when the air exhaust cylinder blows air to the air outlet pipe, because the air outlet pipe is blocked by the baffle plate, the air can not be smoothly discharged and can enter the air bag through the connecting pipe, so that the air bag is quickly inflated and expanded, the air bag can extend out of the fixing cylinder after being expanded and is propped against the inner bottom wall of the fixing frame, and then carry out a support to the dwang, crooked downwards when having avoided the dwang to receive the deformation extrusion of mount roof, make the read write head produce sufficient pressure to the disc, lead to magnetic storage layer fish tail to the effect of protection read write head and disc when having reached and having received external force.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a top cross-sectional view of the mounting bracket structure of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the stationary barrel of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the portion B of FIG. 4 according to the present invention.
In the figure: 1. a fixed mount; 11. an arc-shaped slot; 2. a rotating shaft; 3. rotating the rod; 31. a read-write head; 4. an air pumping cylinder; 41. a movable rod; 42. a piston; 43. rotating the ball; 44. an air outlet pipe; 441. a baffle plate; 442. an extrusion stem; 5. a telescopic rod; 51. pressing a plate; 6. a fixed cylinder; 61. an air bag; 62. and (4) connecting the pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
The first embodiment is as follows:
referring to fig. 1-3, a hard disk magnetic head with stress protection and disk damage prevention comprises a fixing frame 1, wherein an arc-shaped groove 11 is formed in the inner bottom wall of the fixing frame 1, a rotating shaft 2 is rotatably connected to the inner bottom wall of the fixing frame 1, a rotating rod 3 is sleeved at the top of the rotating shaft 2, a read-write head 31 is welded at the right side of the bottom of the rotating rod 3, an air suction cylinder 4 and a fixing cylinder 6 are welded at the bottom of the rotating rod 3, a telescopic rod 5 is inserted at the top of the rotating rod 3, and a pressing plate 51 is welded at the top of the telescopic rod 5.
The bottom of air extraction cylinder 4 is pegged graft and is had movable rod 41, and the welding of the top of movable rod 41 has piston 42, and the bottom of movable rod 41 is rotated and is connected with rotating ball 43, and the right side of air extraction cylinder 4 is pegged graft and is had outlet duct 44, and return spring has been cup jointed to the outside of movable rod 41, plays the effect of pushing down movable rod 41, and piston 42 is located air extraction cylinder 4, and the inlet port has been seted up to the left top of air extraction cylinder 4, the inside of outlet duct 44 and inlet port all is provided with the check valve, and outlet duct 44 runs through solid fixed cylinder 6 from the left side, and rotating ball 43 is located arc wall 11, and the degree of depth at the both ends of arc wall 11 is less than in the middle of, and rotating ball 43 can drive rotating ball 43 and reciprocate along with the degree of depth change of arc wall 11 under return spring's cooperation when sliding in arc wall 11.
When the hard disk works, the rotating rod 3 can rotate around the rotating shaft 2 in a reciprocating way to drive the read-write head 31 to read and write information on the disk, when the rotating rod 3 rotates, the air pumping cylinder 4 can drive the movable rod 41 and the rotating ball 43 to slide back and forth in the arc-shaped groove 11, and the rotating ball 43 can play a role in guiding the rotating rod 3, and meanwhile, when the rotating ball 43 slides back and forth in the arc-shaped groove 11, because the depths of two ends of the arc-shaped groove 11 are lower than the middle, under the downward extrusion of the reset spring, the rotating ball 43 can drive the movable rod 41 to ascend or descend along with the depth change of the arc-shaped groove 11, so as to drive the piston 42 to do reciprocating movement up and down in the air pumping cylinder 4, when the piston 42 moves down, the one-way valve in the air inlet hole is opened, the one-way valve in the air outlet pipe 44 is closed, the outside air can be sucked into the air pumping cylinder 4 from the air inlet hole by the piston 42, and when the piston 42 moves up, the one-way valve in the air inlet hole is closed, the check valve in the air outlet pipe 44 is opened, and the air in the air pump 4 is pressed out from the air inlet pipe by the piston 42 and blown to the disk below the read-write head 31, so that the dirt or debris possibly existing on the disk is blown off, the effect of preventing the dirt or debris from falling on the disk and enabling the read-write head 31 to impact the disk is achieved, and the damage to the read-write head 31 is avoided.
Example two:
referring to fig. 1-5, a hard disk magnetic head with stress protection and disk damage prevention comprises a fixing frame 1, wherein an arc-shaped groove 11 is formed in the inner bottom wall of the fixing frame 1, a rotating shaft 2 is rotatably connected to the inner bottom wall of the fixing frame 1, a rotating rod 3 is sleeved at the top of the rotating shaft 2, a read-write head 31 is welded at the right side of the bottom of the rotating rod 3, an air suction cylinder 4 and a fixing cylinder 6 are welded at the bottom of the rotating rod 3, a telescopic rod 5 is inserted at the top of the rotating rod 3, and a pressing plate 51 is welded at the top of the telescopic rod 5.
The bottom of the air pump 4 is inserted with a movable rod 41, the top of the movable rod 41 is welded with a piston 42, the bottom of the movable rod 41 is rotatably connected with a rotating ball 43, and the right side of the air pump 4 is inserted with an air outlet pipe 44. The top of outlet duct 44 is pegged graft and is had baffle 441, the top welding of baffle 441 has the extrusion pole 442, extrusion spring has been cup jointed to the outside of extrusion pole 442, play the effect that drives extrusion pole 442 and upwards reset, extrusion pole 442 is located telescopic link 5 under, can drive extrusion pole 442 downstream when telescopic link 5 moves down, compression spring has been cup jointed to the outside of telescopic link 5, play the effect that drives telescopic link 5 and upwards reset, peg graft in the bottom of solid fixed cylinder 6 has gasbag 61, the top welding of gasbag 61 has connecting pipe 62, the top of connecting pipe 62 and the bottom intercommunication of outlet duct 44, when outlet duct 44 is blocked up by baffle 441, when pump bowl 4 aerifys to outlet duct 44, gas can get into in the gasbag 61 through connecting pipe 62.
When the hard disk is extruded by external force in working state, the top wall of the fixed frame 1 is easy to deform and contact with the pressure plate 51, and then the pressing plate 51 is pressed downwards, when the pressing plate 51 moves downwards, the telescopic rod 5 is driven to move downwards, the pressing rod 442 is pressed, the pressing rod 442 further drives the baffle 441 to move downwards, the air outlet pipe 44 is blocked, when the air pumping cylinder 4 blows air to the air outlet pipe 44, because the air outlet pipe 44 is blocked by the baffle 441, the air can not be smoothly discharged and can enter the air bag 61 through the connecting pipe 62, so that the air bag 61 is rapidly inflated and expanded, the air bag 61 can extend out of the fixed cylinder 6 after being expanded and is propped against the inner bottom wall of the fixed frame 1, and then carry out a support to dwang 3, has avoided dwang 3 to receive the downwarping when the deformation extrusion of mount 1 roof, makes readwrite head 31 produce sufficient pressure to the disk, leads to the magnetic storage layer fish tail to the effect of protection readwrite head 31 and disk when having reached and having received external force.
Example three:
referring to fig. 1-5, a hard disk magnetic head with stress protection and disk damage prevention comprises a fixing frame 1, wherein an arc-shaped groove 11 is formed in the inner bottom wall of the fixing frame 1, a rotating shaft 2 is rotatably connected to the inner bottom wall of the fixing frame 1, a rotating rod 3 is sleeved at the top of the rotating shaft 2, a read-write head 31 is welded at the right side of the bottom of the rotating rod 3, an air suction cylinder 4 and a fixing cylinder 6 are welded at the bottom of the rotating rod 3, a telescopic rod 5 is inserted at the top of the rotating rod 3, and a pressing plate 51 is welded at the top of the telescopic rod 5.
A movable rod 41 is inserted into the bottom of the air extracting cylinder 4, a piston 42 is welded on the top of the movable rod 41, a rotating ball 43 is rotatably connected on the bottom of the movable rod 41, an air outlet pipe 44 is inserted into the right side of the air extracting cylinder 4, a return spring is sleeved outside the movable rod 41 to play a role of downwards extruding the movable rod 41, the piston 42 is positioned in the air extracting cylinder 4, an air inlet hole is formed above the left side of the air extracting cylinder 4, one-way valves are respectively arranged inside the air outlet pipe 44 and the air inlet hole, the air outlet pipe 44 penetrates through the fixed cylinder 6 from the left side, the rotating ball 43 is positioned in the arc-shaped groove 11, the depths of two ends of the arc-shaped groove 11 are lower than the middle, the rotating ball 43 can be driven to move up and down along with the depth change of the arc-shaped groove 11 under the cooperation of the return spring when sliding in the arc-shaped groove 11, a baffle 441 is inserted into the top of the air outlet pipe 44, an extruding rod 442 is welded on the top of the baffle 441, an extruding spring is sleeved outside of the extruding rod 442, play the effect that drives the extrusion stem 442 and upwards reset, the extrusion stem 442 is located telescopic link 5 under, can drive extrusion stem 442 downstream during telescopic link 5 downstream, compression spring has been cup jointed to telescopic link 5's outside, play the effect that drives telescopic link 5 and upwards reset, the bottom of fixed cylinder 6 is pegged graft and is had gasbag 61, the welding of gasbag 61's top has connecting pipe 62, the top of connecting pipe 62 and the bottom intercommunication of outlet duct 44, when outlet duct 44 is blocked by baffle 441, when aspiration cylinder 4 aerifys to outlet duct 44, gas can get into in gasbag 61 through connecting pipe 62.
The working principle is as follows: when the hard disk works, the rotating rod 3 can rotate around the rotating shaft 2 in a reciprocating manner, and then the read-write head 31 is driven to read and write information on the disk, when the rotating rod 3 rotates, the air pumping cylinder 4 can drive the movable rod 41 and the rotating ball 43 to slide back and forth in the arc-shaped groove 11, and a guiding effect can be achieved on the rotating rod 3, meanwhile, when the rotating ball 43 slides back and forth in the arc-shaped groove 11, because the depths of two ends of the arc-shaped groove 11 are lower than the middle, under the downward extrusion of the reset spring, the rotating ball 43 can drive the movable rod 41 to ascend or descend along with the depth change of the arc-shaped groove 11, and further drive the piston 42 to reciprocate up and down in the air pumping cylinder 4, when the piston 42 moves down, the one-way valve in the air inlet hole is opened, the one-way valve in the air outlet pipe 44 is closed, external air can be sucked into the air pumping cylinder 4 from the air inlet hole by the piston 42, and when the piston 42 moves up, the check valve in the air inlet is closed, the check valve in the air outlet pipe 44 is opened, the air in the air extracting cylinder 4 can be pressed out from the air inlet pipe by the piston 42 and blown to the disk below the read-write head 31, and then the dirt or debris possibly existing on the disk is blown off, so that the effect of preventing the dirt or debris from falling on the disk to cause the impact of the read-write head 31 on the disk is achieved, and the damage to the read-write head 31 is avoided; when the hard disk is extruded by external force in a working state, the top wall of the fixing frame 1 is easy to deform and contacts with the pressing plate 51, and further the pressing plate 51 is extruded downwards, when the pressing plate 51 moves downwards, the telescopic rod 5 is driven to move downwards to extrude the extruding rod 442, the extruding rod 442 further drives the baffle 441 to move downwards to block the air outlet pipe 44, when the air pumping tube 4 blows air to the air outlet pipe 44, the air cannot be discharged smoothly because the air outlet pipe 44 is blocked by the baffle 441 and enters the air bag 61 through the connecting pipe 62, so that the air bag 61 is rapidly inflated and expanded, the air bag 61 extends out of the fixing tube 6 after being expanded and abuts against the inner bottom wall of the fixing frame 1, and then the rotating rod 3 is supported, so that the rotating rod 3 is prevented from bending downwards when being extruded by the deformation of the top wall of the fixing frame 1, the read-write head 31 generates enough pressure on the disk to cause magnetic scratch of the disk storage layer, and the effect of protecting the read-write head 31 and the read-write head when being subjected to external force is achieved, after the external force disappears, the telescopic rod 5 returns upwards under the action of the compression spring, the extrusion rod 442 is not extruded any more, the extrusion rod 442 drives the baffle 441 to return upwards under the action of the extrusion spring to open the air outlet pipe 44, and air in the air bag 61 is discharged from the air outlet pipe 44.
Having shown and described embodiments of the present invention, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a hard disk magnetic head with atress protection and avoid disc damage, includes mount (1), its characterized in that: arc wall (11) have been seted up to the inner bottom wall of mount (1), the inner bottom wall of mount (1) rotates and is connected with axis of rotation (2), dwang (3) have been cup jointed at the top of axis of rotation (2), the right side welding of dwang (3) bottom has readwrite head (31), the bottom welding of dwang (3) has pump bowl (4) and solid fixed cylinder (6), the top of dwang (3) is pegged graft and is had telescopic link (5), the top welding of telescopic link (5) has clamp plate (51).
2. A hard disk head with force protection and disk damage protection as claimed in claim 1, wherein: the bottom of the air pumping cylinder (4) is spliced with a movable rod (41), the top of the movable rod (41) is welded with a piston (42), the bottom of the movable rod (41) is rotatably connected with a rotating ball (43), and the right side of the air pumping cylinder (4) is spliced with an air outlet pipe (44).
3. A hard disk head with force protection and disk damage protection as claimed in claim 2, wherein: the outside of movable rod (41) has cup jointed reset spring, piston (42) are located aspiration cylinder (4), the inlet port has been seted up to aspiration cylinder (4) left top, fixed section of thick bamboo (6) are run through from the left side in outlet duct (44), rolling ball (43) are located arc wall (11), the degree of depth at the both ends of arc wall (11) is less than in the middle.
4. A hard disk head with force protection and disk damage protection as claimed in claim 2, wherein: the top of the air outlet pipe (44) is inserted with a baffle plate (441), and the top of the baffle plate (441) is welded with an extrusion rod (442).
5. A hard disk head with force protection and disk damage protection as claimed in claim 4, wherein: the extrusion spring is sleeved outside the extrusion rod (442), the extrusion rod (442) is located under the telescopic rod (5), and the compression spring is sleeved outside the telescopic rod (5).
6. A hard disk head with force protection and disk damage protection as claimed in claim 2, wherein: the bottom of the fixed cylinder (6) is spliced with an air bag (61), and the top of the air bag (61) is welded with a connecting pipe (62).
7. A hard disk head with force protection and disk damage protection as claimed in claim 6, wherein: the top of the connecting pipe (62) is communicated with the bottom of the air outlet pipe (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110808018.4A CN113724743A (en) | 2021-07-16 | 2021-07-16 | Hard disk magnetic head with stress protection and disk damage avoidance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110808018.4A CN113724743A (en) | 2021-07-16 | 2021-07-16 | Hard disk magnetic head with stress protection and disk damage avoidance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113724743A true CN113724743A (en) | 2021-11-30 |
Family
ID=78673402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110808018.4A Withdrawn CN113724743A (en) | 2021-07-16 | 2021-07-16 | Hard disk magnetic head with stress protection and disk damage avoidance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113724743A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113436651A (en) * | 2021-07-08 | 2021-09-24 | 德州永利信息技术服务有限公司 | Safety protection device for disk reading equipment |
| CN115139105A (en) * | 2022-08-05 | 2022-10-04 | 泰州汇品不锈钢有限公司 | Pipeline mount welding equipment |
-
2021
- 2021-07-16 CN CN202110808018.4A patent/CN113724743A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113436651A (en) * | 2021-07-08 | 2021-09-24 | 德州永利信息技术服务有限公司 | Safety protection device for disk reading equipment |
| CN113436651B (en) * | 2021-07-08 | 2022-12-30 | 深圳市世野科技有限公司 | Safety protection device for disk reading equipment |
| CN115139105A (en) * | 2022-08-05 | 2022-10-04 | 泰州汇品不锈钢有限公司 | Pipeline mount welding equipment |
| CN115139105B (en) * | 2022-08-05 | 2023-10-13 | 泰州汇品不锈钢有限公司 | Pipeline fixing frame welding equipment |
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Application publication date: 20211130 |
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| WW01 | Invention patent application withdrawn after publication |