CN110664135A - A protective fixing device for computer hardware - Google Patents

Abstract

The invention discloses a protective fixing device for computer hardware, which comprises a bottom plate, a first support plate, a connecting rod, an adjusting rod, a fixing plate, a limiting torsion spring, a second support plate, gear teeth, a regulating torsion spring, a driving gear, a driving rod, a transmission gear, a fixing rod, a first gear rod, a shell, a gear button, a handle, a top plate, a mounting plate, a rotating rod, a connecting piece, a rack plate, a push rod, a second gear rod, a limiting rod and a bottom rod, wherein the top of the shell is provided with a placing groove, the bottom of the placing groove is fixedly provided with the bottom plate, the top of the shell is provided with the top plate, and the top of the bottom plate is symmetrically and fixedly provided with the connecting piece. Thereby increasing the protection capability of the computer hardware.

Description

A protective fixing device for computer hardware

technical field

The invention relates to a protection and fixing device, in particular to a protection and fixing device for computer hardware, and belongs to the technical field of computer hardware application.

Background technique

Computer hardware refers to a general term for various physical devices composed of electronic, mechanical and optoelectronic components in a computer system. These physical devices form an organic whole according to the requirements of the system structure and provide the material basis for the operation of computer software. In short, the function of computer hardware is to input and store programs and data, and to execute programs to process data into usable forms. In the case of the user's need, the data is output in the way required by the user. In some enterprises or factories that use computers, some new computer hardware, such as memory sticks and CPUs, will be stored for emergencies. The storage requirements of the CPU are generally that it is not squeezed by external forces, and the memory stick and CPU cannot be deformed, or damage such as gaps appear on the body of the memory stick and CPU. The CPUs are directly stacked together, which makes the protection effect on the memory modules and CPUs poor.

The existing patent authorization announcement number is CN207663377U is a kind of computer hardware fixing device that is easy to repair, the computer hardware fixing device that is easy to repair solves the problem that the current computer hardware is fixed by the computer hardware fixing device. The time required for the computer increases, which indirectly increases the maintenance cost. However, it is impossible to protect and fix the brand-new computer hardware. At the same time, the protection device cannot be opened and closed quickly, and the position adjustment of the storage device cannot be realized. , for which we propose a protective fixture for computer hardware.

SUMMARY OF THE INVENTION

The technical problem solved by the present invention is:

(1) How to make the gear rack move in the transverse groove and the longitudinal groove through the mutual cooperation of the gear knob and the gear rack, and the gear rack and the corresponding card groove cooperate with each other, so as to fix the position of the top plate on four sides, and increase the fixed position of the top plate. Stability, thereby increasing the protection capability of computer hardware, to solve the difficulty in quickly closing and opening the protection device in the prior art;

(2) How to make the driving rod and the ejector rod rotate in the direction of their respective forces under the action of the limiting torsion spring and the adjusting torsion spring, and the driving rod and the ejector rod drive the fixing rod and the adjusting rod respectively, so that the first gear rod and the The position of the second gear rod changes, the distance between the fixed plate and the second support plate increases, and the distance between the first support plate and the bottom plate increases, so that the intersection angle of the connecting rod is changed, so that the first support plate and the second support plate are changed. The distance between the two support plates is increased, and the first support plate and the second support plate are pushed out of the placement slot, so as to solve the difficulty in realizing automatic change of the position of the support plates in the prior art.

The purpose of the present invention can be achieved through the following technical solutions: a protective fixing device for computer hardware, comprising a base plate, a first support plate, a connecting rod, an adjustment rod, a fixed plate, a limit torsion spring, a second support plate, a wheel Teeth, Adjusting Torsion Spring, Drive Gear, Drive Rod, Transmission Gear, Fixed Rod, First Gear Rod, Housing, Gear Knob, Handle, Top Plate, Mounting Plate, Rod, Connector, Rack Plate, Top Rod, No. Two gear rods, limit rods and bottom rods, the top of the casing is provided with a placement slot, the bottom of the placement slot is fixed with a bottom plate, and the top of the shell is provided with a top plate;

A connecting piece is symmetrically fixed on the top of the bottom plate, a driving rod is symmetrically arranged on the top of the bottom plate, two ends of the driving rod are respectively rotatably connected with the two connecting pieces through bearings, and an adjusting torsion spring is sleeved on the outer side of the driving rod, And the two ends of the adjusting torsion spring are respectively fixedly connected with the bottom plate and the driving rod, one end of the driving rod is fixed with a driving gear, and the two driving gears are meshed, the two ends of the driving rod are symmetrically provided with fixed rods, and the two One end of the fixing rod is sleeved and fixed on the outside of the driving rod;

A first support plate is arranged above the bottom plate, one end of the first support plate is provided with a support groove, the inner walls of the top and bottom of the support groove are provided with gear teeth, the support groove is provided with a first gear rod, the Both ends of the first gear rod penetrate the side wall of the first support plate, and the first gear rod and the gear teeth in the support groove cooperate with each other. Both ends pass through the side wall of the first support plate, and the top ends of the fixed rods symmetrically arranged at the two ends of the driving rod are respectively connected to the two ends of the first gear rod and the bottom rod through bearings, and the first gear rod and the bottom rod are rotatably connected. Both ends are rotatably connected with connecting rods through bearings, a rotating rod is arranged above the first support plate, and the connecting rods at both ends of the first support plate are rotatably connected with the ends of the rotating rod through bearings;

A second support plate is arranged above the first support plate, one end of the second support plate is provided with a gear slot, a second gear rod is arranged in the gear slot, and both ends of the second gear rod penetrate through the second support plate The second gear rod and the gear groove cooperate with each other, the second support plate is rotatably connected to the limit rod through the bearing, and the end of the connecting rod away from the first support plate passes through the bearing and its corresponding limit rod and The second gear rod is rotatably connected, and both ends of the limit rod and the second gear rod are rotatably connected with adjustment rods through bearings;

A fixed plate is arranged above the second support plate, a top rod is symmetrically arranged inside the fixed plate, and both ends of the top rod are rotatably connected with the fixed plate through bearings, and the end of the adjustment rod away from the second support plate is sleeved It is fixed on the end of the ejector rod corresponding to it, and one end of the ejector rod is fixed with a transmission gear, and the two transmission gears are meshed with each other;

Wherein, the inside of the top plate is rotatably connected with a gear button through a bearing, the two ends of the gear button respectively penetrate the top and bottom side walls of the top plate, and the top and bottom of the top plate are located on both sides of the gear button symmetrically with transverse grooves and Longitudinal grooves, rack plates are slidably connected in the transverse grooves and the longitudinal grooves, and the rack plates are matched with the gear buttons;

The four side walls of the placing groove are symmetrically provided with clamping grooves, and the clamping grooves on the four side walls of the placing groove are respectively matched with the corresponding rack plates.

A further technical improvement of the present invention is that the connecting rods at both ends of the first support plate are arranged in a cross, and the middle sections of the connecting rods at both ends of the first support plate are rotatably connected to the end of the rotating rod through bearings.

A further technical improvement of the present invention is that: the rotating rod is located between the first support plate and the second support plate.

A further technical improvement of the present invention is that: the top of the fixing plate is provided with a top groove, the top groove is provided with an internal thread, the bottom end of the gear button is provided with an external thread, and the gear button and the top groove pass through the internal thread Engaged with the external thread.

A further technical improvement of the present invention is that: a handle is fixed on the top of the top plate.

A further technical improvement of the present invention is that: the tops of the first support plate and the second support plate are fixed with mounting plates at equal distances, and the tops of the mounting plates are provided with fixing grooves at equal distances.

A further technical improvement of the present invention is that the transverse grooves symmetrically opened at the top of the top plate and the longitudinal grooves symmetrically opened at the bottom of the top plate are vertically arranged.

A further technical improvement of the present invention is that a limit torsion spring is sleeved on the outer side of the ejector rod, and both ends of the limit torsion spring are respectively fixedly connected with the fixing rod and the ejector rod.

Compared with the prior art, the beneficial effects of the present invention are:

1. When the present invention is in use, when the hardware inside the computer needs to be stored, the gear knob is rotated so that the gear knob cooperates with the rack plates slidably connected in the transverse groove and the longitudinal groove respectively, so that the gear knob is arranged in the card slot. The rack plate moves in the direction of the gear button, so that the limit between the rack plate and the slot is released. Detach the top slot, place the top plate above the fixed plate, and apply downward pressure to make the adjustment rod, connecting rod and fixed rod rotate under mutual cooperation, so that the first support plate and the second support plate are received into the placement slot , rotate the gear knob in reverse, so that the rack plate enters the corresponding slot, the outer thread at the bottom of the gear knob and the inner thread in the top slot cooperate with each other, so as to fix the computer hardware in the casing and protect the computer hardware. Through the mutual cooperation between the gear knob and the gear rack, the gear rack moves in the transverse groove and the longitudinal groove, and the gear rack cooperates with the corresponding slot, so as to fix the position of the top plate on four sides and increase the stability of the top plate fixing, thereby Increase the protection capability of computer hardware, and enclose the computer's hardware memory and CPU to prevent damage to the memory and CPU, resulting in unnecessary economic losses;

2. The limit torsion spring and the adjustment torsion spring drive the two driving rods on the top of the bottom plate and the two top rods inside the fixed plate to rotate, respectively, and the two driving gears rotate in opposite directions to drive the fixed rod to rotate. The angle between the two fixed rods changes, so that the position of the first gear rod changes in the support groove, so that the distance between the first support plate and the bottom plate changes, and the two transmission gears are meshed and connected, so that the adjustment rod changes with the adjustment rod. With the active rotation of the transmission gear, since the length of the adjustment rod remains unchanged, the angle between the two adjustment rods at one end of the fixed plate changes, so that the second gear rod moves within the gear, so that the fixed plate and the second The distance between the support plates has changed, because the first gear rod and the second gear rod move in the support groove and the gear groove respectively, and the length of the connecting rod is unchanged, so that the first support plate and the second support plate are The distance between them changes, so that the first support plate and the second support plate are pushed out of the casing, and the computer hardware is put into the fixing groove on the top of the mounting plate; under the action of the limit torsion spring and the adjustment torsion spring, The driving rod and the top rod are rotated in the direction of their respective forces, and the driving rod and the top rod drive the fixing rod and the adjusting rod respectively, so that the positions of the first gear rod and the second gear rod change, and the space between the fixed plate and the second support plate is changed. The distance between the first support plate and the bottom plate increases, so that the intersection angle of the connecting rod is changed, so that the distance between the first support plate and the second support plate increases, and the first support plate and the second support plate are increased. The support plate is pushed out of the placement slot, which is convenient for placing computer hardware. At the same time, it comprehensively protects computer hardware such as memory modules and CPUs to avoid damage to memory modules and CPUs caused by external objects, increase hardware security, save time, and improve work efficiency.

Description of drawings

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

1 is a schematic diagram of the overall three-dimensional structure of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the placement groove of the present invention;

Fig. 3 is a schematic diagram of the internal side view structure of the placement groove of the present invention;

Fig. 4 is the top plate structure schematic diagram of the present invention;

Figure 5 is a schematic diagram of the bottom structure of the top plate of the present invention;

FIG. 6 is a schematic diagram of the structure of the gear rack of the present invention;

Figure 7 is a schematic structural diagram of the first support plate of the present invention;

8 is a schematic view of the structure of the casing of the present invention;

FIG. 9 is a schematic side view of the connection structure of the first support plate and the second support plate of the present invention;

Figure 10 is a schematic diagram of the internal connection structure of the placement groove of the present invention;

FIG. 11 is a schematic diagram of the structure of the base plate of the present invention.

In the figure: 1. Bottom plate; 2. First support plate; 3. Connecting rod; 4. Adjusting rod; 5. Fixed plate; 6. Top groove; 7. Limiting torsion spring; 8. Gear groove; 9. Second Support plate; 10, support groove; 11, gear teeth; 12, adjusting torsion spring; 13, drive gear; 14, drive rod; 15, transmission gear; 16, fixed rod; 17, first gear rod; 18, fixed groove ; 19, housing; 20, transverse slot; 21, gear knob; 22, handle; 23, top plate; 24, longitudinal slot; 25, mounting plate; 26, rotating rod; 27, connecting piece; 28, rack plate; 29, placement slot; 30, card slot; 31, top rod; 32, second gear rod; 33, limit rod; 34, bottom rod.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figure 1-11, a protective and fixing device for computer hardware, including a base plate 1, a first support plate 2, a connecting rod 3, an adjustment rod 4, a fixing plate 5, a limit torsion spring 7, a second Support plate 9, gear teeth 11, adjusting torsion spring 12, driving gear 13, driving rod 14, transmission gear 15, fixing rod 16, first gear rod 17, housing 19, gear knob 21, handle 22, top plate 23, installation The plate 25, the rotating rod 26, the connecting piece 27, the rack plate 28, the top rod 31, the second gear rod 32, the limit rod 33 and the bottom rod 34, the top of the casing 19 is provided with a placement slot 29, and the bottom of the placement slot 29 is fixed There is a bottom plate 1, and a top plate 23 is provided on the top of the casing 19;

A connecting piece 27 is symmetrically fixed on the top of the bottom plate 1, and a driving rod 14 is symmetrically arranged on the top of the bottom plate 1. The two ends of the driving rod 14 are respectively rotatably connected with the two connecting pieces 27 through bearings. And the two ends of the adjusting torsion spring 12 are respectively fixedly connected with the base plate 1 and the driving rod 14 , one end of the driving rod 14 is fixed with a driving gear 13 , and the two driving gears 13 are meshed, and the two ends of the driving rod 14 are symmetrically arranged with fixed rod 16, and one end of the two fixing rods 16 is sleeved and fixed on the outside of the driving rod 14;

A first support plate 2 is arranged above the bottom plate 1, and one end of the first support plate 2 is provided with a support slot 10. The inner walls of the top and bottom of the support slot 10 are provided with gear teeth 11, and a first gear rod 17 is arranged in the support slot 10. Both ends of the gear rod 17 penetrate through the side wall of the first support plate 2, and the first gear rod 17 cooperates with the gear teeth 11 in the support groove 10. The bottom rod 34 is connected to the inside of the first support plate 2 through bearings. Both ends of 34 penetrate the side wall of the first support plate 2, and the top ends of the fixed rods 16 symmetrically arranged at both ends of the driving rod 14 are respectively connected to the two ends of the first gear rod 17 and the bottom rod 34 through bearings in rotation, and the first gear rod 17 Both ends of the bottom rod 34 and the bottom rod 34 are rotatably connected to the connecting rod 3 through the bearing. The upper part of the first support plate 2 is provided with a rotating rod 26, and the connecting rods 3 at both ends of the first support plate 2 pass through the bearing and the end of the rotating rod 26. part rotating connection;

A second support plate 9 is arranged above the first support plate 2 , a gear slot 8 is formed at one end of the second support plate 9 , a second gear rod 32 is arranged in the gear slot 8 , and both ends of the second gear rod 32 penetrate the second The support plate 9, the second gear rod 32 and the gear groove 8 cooperate with each other, the second support plate 9 is connected to the limit rod 33 through the bearing in rotation, and the end of the connecting rod 3 away from the first support plate 2 passes through the bearing and its corresponding limit. The rod 33 and the second gear rod 32 are rotatably connected, and both ends of the limit rod 33 and the second gear rod 32 are rotatably connected with an adjustment rod 4 through bearings;

A fixed plate 5 is arranged above the second support plate 9 , and a top rod 31 is symmetrically arranged inside the fixed plate 5 , and both ends of the top rod 31 are rotatably connected to the fixed plate 5 through bearings, and the adjusting rod 4 is away from the end of the second support plate 9 . The sleeve is fixed on the end of the corresponding ejector rod 31, and one end of the ejector rod 31 is fixed with a transmission gear 15, and the two transmission gears 15 are meshed with each other. The position of the computer hardware memory stick and CPU for storage protection is changed, which is convenient for the staff to pick and place;

Wherein, the top plate 23 is rotatably connected with a gear knob 21 through a bearing. The two ends of the gear knob 21 respectively penetrate the top and bottom side walls of the top plate 23. The top and bottom of the top plate 23 are located on both sides of the gear knob 21. and the longitudinal groove 24, the transverse groove 20 and the longitudinal groove 24 are both slidably connected with a rack plate 28, and the rack plate 28 is matched with the gear knob 21;

The four side walls of the placement slot 29 are symmetrically provided with clamping slots 30 , and the clamping slots 30 of the four side walls of the placement slot 29 are respectively matched with the corresponding rack plates 28 . The rack plates 28 are matched with each other, so that the top plate closes the entire casing where the computer hardware memory stick and CPU are placed, so that the computer hardware memory stick and CPU are damaged under the action of external force, and the computer hardware memory stick and CPU are protected. .

The connecting rods 3 at both ends of the first support plate 2 are arranged crosswise, and the middle sections of the connecting rods 3 at both ends of the first support plate 2 are rotatably connected with the end of the rotating rod 26 through bearings, and through the intersection of the connecting rods 3 It is set so that the distance between the two ends of the same connecting rod 3 changes with the change of the cross angle of the connecting rod 3, so that the distance between the first support plate 2 and the second support plate 9 can be changed conveniently.

The rotating rod 26 is located between the first support plate 2 and the second support plate 9 , and the cross link 3 is provided with a rotation axis through the setting of the rotating rod 26 .

The top of the fixing plate 5 is provided with a top groove 6, the top groove 6 is provided with an internal thread, the bottom end of the gear button 21 is provided with an external thread, the gear button 21 and the top groove 6 are meshed and connected with the external thread through the internal thread, and are connected with the external thread through the internal thread. The external thread engaging connection enables the top plate 23 and the fixing plate 5 to be fixed, and increases the stability of the first support plate 2 and the second support plate 9 .

A handle 22 is fixed on the top of the top plate 23 , and the convenience of the operator's operation is increased by the arrangement of the handle 22 .

The tops of the first support plate 2 and the second support plate 9 are fixed with mounting plates 25 equidistantly. The top of the mounting plates 25 is provided with fixed grooves 18 at equal distances. Prevent computer hardware damage.

The transverse grooves 20 symmetrically opened at the top of the top plate 23 and the longitudinal grooves 24 symmetrically opened at the bottom of the top plate 23 are arranged vertically.

A limit torsion spring 7 is sleeved on the outer side of the top rod 31, and the two ends of the limit torsion spring 7 are fixedly connected with the fixed rod 16 and the top rod 31 respectively. Through the setting of the limit torsion spring 7, the connecting rod 3 and the fixed rod 16 are added. And the cooperation between the adjustment rod 4.

Working principle: When the present invention is in use, when the hardware inside the computer needs to be stored, the gear knob 21 is rotated so that the gear knob 21 cooperates with the rack plate 28 slidably connected in the transverse groove 20 and the longitudinal groove 24, thereby The rack plate 28 arranged in the card slot 30 is moved towards the direction of the gear button 21, so that the limit between the rack plate 28 and the card slot 30 is released. The internal threads provided in 6 mesh with each other, so that the gear knob 21 is separated from the top groove 6; the limit torsion spring 7 and the adjustment torsion spring 12 drive the two driving rods 14 on the top of the bottom plate 1 and the two top rods inside the fixed plate 5 respectively. 31 rotates, the two driving gears 13 rotate in opposite directions, and drive the fixed rod 16 to rotate. Since the length of the fixed rod 16 remains unchanged, the angle between the two fixed rods 16 changes, so that the first gear rod 17 occurs in the support groove 10. The position changes, so that the distance between the first support plate 2 and the bottom plate 1 changes, and the two transmission gears 15 are meshed and connected, so that the adjustment rod 4 rotates with the drive of the transmission gear 15. Since the length of the adjustment rod 4 does not change , the angle between the two adjustment rods 4 at one end of the fixed plate 5 changes, so that the second gear rod 32 moves within the gear, so that the distance between the fixed plate 5 and the second support plate 9 changes, Since the first gear rod 17 and the second gear rod 32 move in the support groove 10 and the gear groove 8 respectively, and the length of the connecting rod 3 remains unchanged, the gap between the first support plate 2 and the second support plate 9 is The distance changes, so that the first support plate 2 and the second support plate 9 are pushed out of the housing 19; the computer hardware is put into the fixing groove 18 on the top of the mounting plate 25, and the top plate 23 is placed above the fixing plate 5. Under pressure, the adjusting rod 4, the connecting rod 3 and the fixing rod 16 rotate under mutual cooperation, so that the first support plate 2 and the second support plate 9 are received into the placement groove 29, and the gear knob 21 is reversely rotated. , so that the rack plate 28 enters the corresponding slot 30, and the outer thread at the bottom of the gear knob 21 cooperates with the inner thread in the top groove 6, thereby fixing the computer hardware in the casing 19 to protect the computer hardware.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not describe all the details and do not limit the invention to specific embodiments only. Obviously, many modifications and variations are possible in light of the content of this specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (8)

1. A protective fixture for computer hardware, comprising: the gear rack comprises a bottom plate (1), a first support plate (2), a connecting rod (3), an adjusting rod (4), a fixing plate (5), a limiting torsion spring (7), a second support plate (9), gear teeth (11), an adjusting torsion spring (12), a driving gear (13), a driving rod (14), a transmission gear (15), a fixing rod (16), a first gear rod (17), a shell (19), a gear button (21), a handle (22), a top plate (23), a mounting plate (25), a rotating rod (26), a connecting piece (27), a rack plate (28), a top rod (31), a second gear rod (32), a limiting rod (33) and a bottom rod (34), wherein a placing groove (29) is formed in the top of the shell (19), the bottom of the placing groove (29) is fixedly provided with the bottom plate (1), and the top plate (23) is arranged at the top;

the top of the bottom plate (1) is symmetrically fixed with connecting pieces (27), the top of the bottom plate (1) is symmetrically provided with driving rods (14), two ends of each driving rod (14) are rotatably connected with the two connecting pieces (27) through bearings respectively, an adjusting torsion spring (12) is sleeved on the outer side of each driving rod (14), two ends of each adjusting torsion spring (12) are fixedly connected with the bottom plate (1) and the corresponding driving rod (14) respectively, one end of each driving rod (14) is fixed with a driving gear (13), the two driving gears (13) are meshed with each other, two ends of each driving rod (14) are symmetrically provided with fixing rods (16) respectively, and one ends of the two fixing rods (16) are sleeved and fixed on the outer side of the corresponding;

a first support plate (2) is arranged above the bottom plate (1), a support groove (10) is formed in one end of the first support plate (2), gear teeth (11) are arranged on the inner walls of the top and the bottom of the support groove (10), a first gear rod (17) is arranged in the support groove (10), two ends of the first gear rod (17) penetrate through the side wall of the first support plate (2), the first gear rod (17) is matched with the gear teeth (11) in the support groove (10), a bottom rod (34) is rotatably connected inside the first support plate (2) through bearings, two ends of the bottom rod (34) penetrate through the side wall of the first support plate (2), the top ends of fixed rods (16) symmetrically arranged at two ends of the driving rod (14) are rotatably connected with two ends of the first gear rod (17) and the bottom rod (34) through bearings respectively, and connecting rods (3) are rotatably connected with two ends of the first gear rod (17) and the bottom rod (34) through bearings respectively, a rotating rod (26) is arranged above the first support plate (2), and the connecting rods (3) at two ends of the first support plate (2) are rotatably connected with the end part of the rotating rod (26) through bearings;

a second support plate (9) is arranged above the first support plate (2), a gear groove (8) is formed in one end of the second support plate (9), a second gear rod (32) is arranged in the gear groove (8), two ends of the second gear rod (32) penetrate through the second support plate (9), the second gear rod (32) and the gear groove (8) are matched with each other, a limiting rod (33) is rotatably connected inside the second support plate (9) through a bearing, one end, far away from the first support plate (2), of the connecting rod (3) is rotatably connected with the corresponding limiting rod (33) and the second gear rod (32) through bearings, and two ends of the limiting rod (33) and the second gear rod (32) are rotatably connected with adjusting rods (4) through bearings;

a fixed plate (5) is arranged above the second support plate (9), ejector rods (31) are symmetrically arranged in the fixed plate (5), two ends of each ejector rod (31) are rotatably connected with the fixed plate (5) through bearings, one end, far away from the second support plate (9), of each adjusting rod (4) is fixedly sleeved at the end part of the corresponding ejector rod (31), one end of each ejector rod (31) is fixedly provided with a transmission gear (15), and the two transmission gears (15) are meshed with each other;

the rack is characterized in that a gear button (21) is rotatably connected inside the top plate (23) through a bearing, two ends of the gear button (21) respectively penetrate through the top and bottom side walls of the top plate (23), the top and bottom of the top plate (23) are positioned on two sides of the gear button (21) and respectively symmetrically provided with a transverse groove (20) and a longitudinal groove (24), rack plates (28) are slidably connected in the transverse groove (20) and the longitudinal groove (24), and the rack plates (28) are matched with the gear button (21);

the rack plate is characterized in that clamping grooves (30) are symmetrically formed in the four side walls of the placing groove (29), and the clamping grooves (30) in the four side walls of the placing groove (29) are matched with the corresponding rack plates (28) respectively.

2. The protection fixing device for computer hardware as claimed in claim 1, wherein the connecting rods (3) at both ends of the first support plate (2) are arranged crosswise, and the middle sections of the connecting rods (3) at both ends of the first support plate (2) arranged crosswise are rotatably connected with the end parts of the rotating rods (26) through bearings.

3. A protective fixture for computer hardware according to claim 1, characterized in that said turning bar (26) is located between the first (2) and second (9) plates.

4. The protective fixing device for computer hardware as claimed in claim 1, wherein the top of the fixing plate (5) is provided with a top groove (6), an internal thread is arranged in the top groove (6), an external thread is arranged at the bottom end of the gear knob (21), and the gear knob (21) and the top groove (6) are engaged with the external thread through the internal thread.

5. A protective fixture for computer hardware as claimed in claim 1, wherein a handle (22) is fixed to the top of the top plate (23).

6. The protective fixing device for computer hardware as claimed in claim 1, characterized in that the top of the first support plate (2) and the second support plate (9) are fixed with a mounting plate (25) at equal intervals, and the top of the mounting plate (25) is provided with fixing slots (18) at equal intervals.

7. The protective fixing device for computer hardware as claimed in claim 1, characterized in that the transverse slots (20) symmetrically opened at the top of the top plate (23) are perpendicular to the longitudinal slots (24) symmetrically opened at the bottom of the top plate (23).

8. The protection fixing device for computer hardware as claimed in claim 1, wherein the top bar (31) is sleeved with a limiting torsion spring (7), and two ends of the limiting torsion spring (7) are respectively fixedly connected with the fixing rod (16) and the top bar (31).

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