CN112947714B

CN112947714B - Multifunctional computer expansion device convenient to disassemble and assemble

Info

Publication number: CN112947714B
Application number: CN202110441568.7A
Authority: CN
Inventors: 任秀娟; 张震
Original assignee: Dongying Vocational College Of Science & Technology
Current assignee: Dongying Vocational College Of Science & Technology
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-03-11
Anticipated expiration: 2041-04-23
Also published as: CN112947714A

Abstract

The invention discloses a multifunctional computer expansion device convenient to disassemble and assemble, and belongs to the field of computers. The utility model provides a multi-functional computer expands device convenient to dismouting, comprises a box bod, the box body back wall is equipped with the wrapping post for running through the left position in groove, the post groove has been seted up for the position of wrapping post to the box body back wall, the wrapping post rear side is equipped with the back lid, the coaxial fixedly connected with post of back lid antetheca middle part, the slot has been seted up for the position of post to the wrapping post back wall, the back lid antetheca is annular equidistant a plurality of wire clamps have set firmly, wire clamp lateral wall front end is equipped with the joint piece admittedly, the box body back wall has set firmly the spacing ring for the position of post groove lateral, the joint groove has been seted up for the position of joint piece to the spacing ring inner wall. The invention can fix the hard disk, so that the hard disk and the computer case do not generate relative vibration in the operation process of the computer, and the damage of the vibration to the hard disk is reduced.

Description

Multifunctional computer expansion device convenient to disassemble and assemble

Technical Field

The invention relates to the field of computers, in particular to a multifunctional computer expansion device convenient to disassemble and assemble.

Background

The computer is commonly called as a computer, is a modern electronic computing machine used for high-speed computing, can carry out numerical computation and logic computation, has a memory function, is a modern intelligent electronic device capable of automatically and high-speed processing mass data according to program operation, has a technology level developed day by day, has entered into thousands of households, and along with the public transparency of the price of computer accessories and the development of electronic commerce, a plurality of users select to purchase and assemble computer hardware on the internet, so that the computer not only saves cost, but also can freely assemble different accessories according to the self requirement, the hard disk is used as the most main storage device of the computer, the user often encounters the problem of insufficient storage space in the use process, at the moment, a plurality of hard disks are required to be added on the computer for use, but the positions of the fixed hard disks in the existing computer case are less, therefore, the newly added hard disk can only be placed on the bottom surface of the inner side of the case or on the top surface of other hardware, the use is not influenced in a short time, but the hard disk is easy to work under larger relative vibration in the running process of the computer if the hard disk is not fixed for a long time, the hard disk is undoubtedly greatly damaged, in addition, the random placement and the addition of the hard disk can cause the arrangement of a connecting wire between the hard disk and a mainboard in the case to be very disordered, the connecting wire is loosened and damaged in the past, the maintenance cost of the computer can be improved due to the problems, and the normal use of a user on the computer can be prevented, so the multifunctional computer expansion device convenient to disassemble and assemble is provided.

Disclosure of Invention

1. Technical problem to be solved

The present invention is directed to a multifunctional computer expansion device which is easy to disassemble and assemble, so as to solve the problems of the background art.

2. Technical scheme

A multifunctional computer expansion device convenient for disassembly and assembly comprises a box body, wherein a plurality of cavities are linearly and equidistantly formed in the front wall of the box body, a drawer is inserted into the cavities, a front plate is fixedly arranged at the front end of the bottom surface of the drawer, a guide pillar is fixedly arranged in the middle of the rear wall of the front plate, a guide groove is formed in the front wall of the box body relative to the position of the guide pillar, a groove is formed in the lower end of the rear wall of the guide pillar, a ratchet wheel is rotatably connected to the front wall of the groove, an edge groove is formed in the top surface of the groove, a pawl is hinged to the inner side end of the edge groove, a reset spring A is fixedly arranged between the outer side wall of the pawl and the top surface of the edge groove, a rotating column is coaxially and fixedly connected to the rear portion of the ratchet wheel, a limiting block is fixedly arranged at the front end of the bottom surface of the rotating column, a limiting groove is formed in the rear end of the bottom surface of the guide groove, two curved grooves are formed in a central symmetry structure at the rear end of the annular outer wall of the rotating column, and a telescopic rod is fixedly arranged at the position of the top surface relative to the rear end of the curved groove, the outer wall of the lower end of the telescopic rod is sleeved with a reset spring B, the middle part of the rear wall of the rotating column is fixedly provided with a reset spring C, two clamping plates are symmetrically arranged on two sides in the drawer, extrusion pads are fixedly arranged on the inner side walls of the clamping plates, a sliding block is fixedly arranged in the middle of the bottom surface of the clamping plates, a sliding groove is formed in the bottom surface of the inner side of the drawer relative to the position of the sliding block, a moving seat is arranged between the front ends of the inner side walls of the two clamping plates, the bottom surface of the moving seat is in a symmetrical structure and is hinged with two connecting rods, a bottom groove is formed in the bottom surface of the inner side of the drawer relative to the position of the connecting rods, two circular grooves are symmetrically formed in the outer wall of two sides of the moving seat, a clamping block is fixedly arranged on the inner wall of the front side of the drawer relative to the positions of two sides of the moving seat through a compression spring A, a clamping groove is formed in the inner side wall of the fixing block relative to the position of the clamping block, and a connecting seat is fixedly arranged in the middle part of the right wall of the box body, the middle part of the right wall of the connecting seat is fixedly provided with a base, the right wall of the base is fixedly provided with a sucker, the middle part of the left wall of the sucker is coaxially and fixedly connected with a pull rod, the left end of the pull rod penetrates through the left wall of the base, extends into the connecting seat and is fixedly provided with a shifting plate, the top surface of the connecting seat is provided with a plate groove relative to the position of the lower part of the pull rod and the shifting plate, the left side of the plate groove is provided with two square grooves in a front-back symmetrical structure, the inner side walls of the square grooves are fixedly provided with a stop block through a compression spring B, the middle part of the rear wall of the cavity is provided with a through groove, the rear wall of the box body is provided with a winding post relative to the position of the left side of the through groove, the rear wall of the box body is provided with a post groove relative to the position of the winding post, the rear cover is provided with a rear cover, the middle part of the front wall of the rear cover is coaxially and fixedly connected with an inserting post, the rear wall is provided with a plurality of wire clamping plates at equal intervals in an annular shape, the wire clamping plate is characterized in that a clamping block is fixedly arranged at the front end of the outer side wall of the wire clamping plate, a limiting ring is fixedly arranged at the position, opposite to the outer side of the column groove, of the rear wall of the box body, and a clamping groove is formed in the position, opposite to the clamping block, of the inner wall of the limiting ring.

Preferably, the rear end of the drawer is of an open structure, the front end of the drawer penetrates through the front opening end of the cavity and extends to the outside, the outer wall of the drawer is in sliding contact with the inner wall of the cavity, the rear wall of the front plate is in clearance fit with the front wall of the box body, the guide pillar is in sliding fit with the guide groove, the ratchet wheel is in meshing contact with the pawl, the height of the limiting block is smaller than the distance between the top surface of the rotating column and the top surface of the guide pillar, the front wall of the limiting block is closely attached to the front wall of the limiting groove, the lower end of the telescopic rod is of a hemispherical structure, the lower end of the telescopic rod is in sliding fit with the curved groove, and the lower end of the reset spring B is fixedly connected with the lower side of the outer wall of the telescopic rod.

Preferably, splint bottom surface and the inboard bottom surface sliding contact of drawer, wall clearance fit behind splint back wall and the cavity, the extrusion pad inside wall is the setting of wave type structure, the slider is big-end-up's T type structure with the spout, slider and spout sliding fit, it is big-end-up's L type structure to remove the seat, it is parallel and level with splint bottom surface position to remove seat bottom surface position.

Preferably, the outer side end of the connecting rod is hinged to the front end of the bottom surface of the clamping plate, the bottom surface of the connecting rod is in sliding contact with the bottom surface of the bottom groove, the rear wall of the connecting rod is tightly attached to the rear wall of the bottom groove, the bottom surface of the fixing block is in clearance fit with the inner side bottom surface of the rack, the clamping block and the clamping groove are both of a hemispherical structure, and the clamping block is in clamping fit with the clamping groove.

Preferably, the base is a bowl-shaped structure with a right concave surface, the pull rod is connected with the base in a sliding mode, the shifting plate is of a T-shaped structure with a large upper part and a small lower part, the outer wall of the pull rod and the outer wall of the shifting plate are in sliding contact with the inner wall of the plate groove, the bottom surfaces of the two sides of the shifting plate are in sliding contact with the top surface of the connecting seat, the right wall of the stop block is of an inclined plane structure with an inner side end deviated leftwards, and the stop block is in sliding fit with the square groove.

Preferably, wrapping post and post groove are T type structure, wrapping post front end and post groove normal running fit, it is well style of calligraphy structure to insert post and slot, it pegs graft the cooperation with the slot to insert the post, the card line board is the arc structure that outer wall radian and back lid annular outer wall radian are the same, spacing ring internal diameter size equals with back lid diameter size, joint piece and joint groove joint cooperation.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. the invention is provided with a sucker, when a user needs to add a hard disk in a computer case, the hard disk can be fixed in the device, then a smooth inner wall in the case is selected and the sucker is attached to the inner wall, then the user can pull a shifting plate along the top surface of a connecting seat to the left side, the shifting plate can drive a pull rod to move left along a plate groove and simultaneously pull the middle part of the left wall of the sucker to generate elastic deformation, so that a negative pressure cavity is formed between the right wall of the sucker and the inner wall of the case to generate suction, when the shifting plate is contacted with the right wall of a block, the block can be retracted into the square groove under the extrusion effect of the shifting plate on the inclined surface part of the right wall of the block, when the position of the shifting plate reaches the left side of the square groove, a compression spring B can eject the block out of the square groove again, at the moment, the shifting plate can not return to the original position under the elasticity of the sucker under the limiting effect of the left wall of the block, so that the device can be firmly adsorbed on the inner wall of the computer case, therefore, the hard disk and the computer case can not generate relative vibration in the operation process of the computer, and the damage of the vibration to the hard disk is reduced.

2. The invention is provided with a through groove on the rear wall of the box body, after the box body is fixed on the inner wall of the computer case, a user can connect the hard disk and the computer mainboard through the connecting wire through the through groove on the rear side, the user can wind the redundant connecting wire along the outside of the winding post before the connection, the user can conveniently wind the connecting wire to the outside of the winding post in a mode of directly rotating the winding post through the rotating fit between the front end of the winding post and the post groove, the convenience for accommodating the connecting wire is greatly improved, after the redundant winding is finished, the user can connect the rear cover and the winding post along the direction of inserting and matching of the plug post and the slot and respectively lead the two ends of the connecting wire to extend along two different wire clamping plate gaps, at the moment, the front end of the wire clamping plate can slightly shift towards the inner side under the extrusion effect of the clamping block on the inner wall of the limiting ring, the user can clamp the clamping block into the clamping groove only by driving the winding post and the wire clamping plate to rotate in a small amplitude through the rear cover, this design has played the fixed action to the connecting wire, avoids it to scatter gradually in the use, prevents numerous and diverse a plurality of connecting wires in the inside intertwine's of computer machine case problem, reaches the effect of arrangement and protection to the connecting wire, can effectually increase its life.

3. The invention is provided with the drawer, when a user purchases a new hard disk, the drawer of the device can be pulled out firstly, then the connecting end of the hard disk faces to the rear and is put into the drawer along the opening end of the rear part, the front wall of the hard disk extrudes the movable seat to move forwards in the process, the angle of the connecting rod hinged with the movable seat is changed along with the change of the position of the movable seat, the included angle of the rear sides of the two connecting rods is gradually reduced along with the forward movement of the movable seat, so that the outer side end of the connecting rod pulls the clamping plate inwards, the clamping plate clamps the middle part along the sliding matching direction of the sliding block and the sliding groove, finally the clamping blocks at the two sides of the movable seat are clamped with the clamping grooves at the inner side wall of the fixed block, the position of the clamping plate is limited, the extrusion pad fixedly arranged on the inner side wall of the clamping plate is tightly attached to the side wall of the hard disk, and the extrusion pad can generate larger deformation under the design of the wave-shaped inner wall, the hard disk can be firmly extruded, the friction force between the hard disk and the drawer can be enhanced, the effect of firmly limiting the hard disk in the drawer can be achieved, the hard disk can be prevented from moving relative to the box body in the using process due to the design, the problem of damage caused by relative vibration between the hard disk and a computer is further prevented, the damage probability of the hard disk is reduced, the maintenance cost is reduced, and the practicability is high.

4. The invention is provided with a guide groove and a guide post, a user can press the drawer backwards along the front wall of the drawer before drawing out the drawer, so that a return spring C at the rear end of the guide post is pressed to contract, the lower end of a telescopic rod positioned on the top surface of the guide groove can enable a rotating post to rotate through the sliding fit relation between the lower end of the telescopic rod and a curved groove along the process that the rotating post moves backwards along the guide groove, at the moment, a pawl can not limit the rotation of a ratchet wheel, the end part of the rotating post can also reach the foremost end of the curved groove after the telescopic rod enables the rotating post to rotate 180 degrees, at the moment, the guide post can be pushed forwards under the elastic force of the return spring C, the ratchet wheel can limit the reverse rotation of the rotating post due to the meshing contact relation between the pawl and the ratchet wheel, the telescopic rod which can not extrude the reverse rotation of the rotating post along the curved groove can contract, and the return spring B sleeved at the outer lower end of the ratchet wheel can also shorten, when the reset spring C is restored, the lower end of the telescopic rod can come to the opening end of another curve groove outside the rotating column, and because the rotating column rotates 180 degrees, the limiting block also rotates to the position corresponding to the upper part of the guide groove, and the height of the limiting block is lower than the top surface of the guide column, so that a user can easily draw the drawer out of the cavity, and the drawer can be fixed in the same way after a hard disk is installed in the drawer, through the structural design, the fixing of the drawer is achieved, the device is more integrated, the possibility of relative motion between the hard disk and the computer case is avoided to the maximum extent, the device can be freely adsorbed on any position of the inner wall of the computer case, and the drawer can not fall off, furthermore, the structural design is ingenious, the operation is simple and understandable, the practicability is guaranteed, and the use convenience of the device is greatly improved, can be obtained by one action.

Drawings

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

FIG. 2 is a schematic view of the unfolded and exploded structure of the connecting seat of the present invention;

FIG. 3 is a side cross-sectional structural view of the cartridge body of the present invention;

FIG. 4 is a schematic sectional exploded view of the drawer according to the present invention;

FIG. 5 is a rear view of the drawer according to the present invention;

FIG. 6 is a schematic cross-sectional view of the wrapping post, the rear cover and the stop collar of the present invention;

FIG. 7 is a rear view of the case according to the present invention;

FIG. 8 is an enlarged view of the structure at the point A of the present invention;

fig. 9 is an enlarged schematic view of the structure at B of the present invention.

The reference numbers in the figures illustrate: 1. a box body; 2. a cavity; 3. a drawer; 4. a front plate; 5. a guide post; 6. a guide groove; 7. a splint; 8. pressing the cushion; 9. a slider; 10. a chute; 11. a movable seat; 12. a connecting rod; 13. a bottom groove; 14. a circular groove; 15. compressing the spring A; 16. a clamping block; 17. a fixed block; 18. a card slot; 19. a connecting seat; 20. a base; 21. a suction cup; 22. a pull rod; 23. dialing a plate; 24. a plate groove; 25. a square groove; 26. a compression spring B; 27. a stopper; 28. a through groove; 29. a winding post; 30. a column groove; 31. a rear cover; 32. inserting a column; 33. a slot; 34. a wire clamping plate; 35. a clamping block; 36. a limiting ring; 37. a clamping groove; 38. a groove; 39. a ratchet wheel; 40. a side groove; 41. a pawl; 42. a return spring A; 43. rotating the column; 44. a limiting block; 45. a limiting groove; 46. a curved groove; 47. a telescopic rod; 48. a return spring B; 49. and a return spring C.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, the present invention provides a technical solution:

a multifunctional computer expansion device convenient for disassembly and assembly comprises a box body 1, a plurality of cavities 2 are linearly arranged on the front wall of the box body 1 at equal intervals, a drawer 3 is inserted in each cavity 2, a front plate 4 is fixedly arranged at the front end of the bottom surface of the drawer 3, a guide pillar 5 is fixedly arranged in the middle of the rear wall of the front plate 4, a guide groove 6 is arranged on the front wall of the box body 1 relative to the guide pillar 5, a groove 38 is arranged at the lower end of the rear wall of the guide pillar 5, a ratchet wheel 39 is rotatably connected on the front wall of the groove 38, an edge groove 40 is arranged on the top surface of the groove 38, a pawl 41 is hinged at the inner side end of the edge groove 40, a return spring A42 is fixedly arranged between the outer side wall of the pawl 41 and the top surface of the edge groove 40, a rotating column 43 is coaxially and fixedly connected with the rear part of the ratchet wheel 39, a limit block 44 is fixedly arranged at the front end of the bottom surface of the rotating column 43, a limit groove 45 is arranged at the rear end of the bottom surface of the guide groove 6, two curved grooves 46 are arranged at the rear end of the rotating column 43 in a central symmetrical structure, a top surface, a telescopic rod 47 is fixedly arranged relative to the rear end of the curved groove 46, the outer wall of the lower end of the telescopic rod 47 is sleeved with a return spring B48, the middle part of the rear wall of the rotating column 43 is fixedly provided with a return spring C49, two clamping plates 7 are symmetrically arranged at two sides in the drawer 3, the inner side wall of each clamping plate 7 is fixedly provided with an extrusion cushion 8, the middle part of the bottom surface of each clamping plate 7 is fixedly provided with a sliding block 9, the bottom surface of the inner side of the drawer 3 is provided with a sliding groove 10 corresponding to the sliding block 9, a moving seat 11 is arranged between the front ends of the inner side walls of the two clamping plates 7, the bottom surface of the moving seat 11 is hinged with two connecting rods 12 in a symmetrical structure, the bottom surface of the inner side of the drawer 3 is provided with a bottom groove 13 corresponding to the connecting rod 12, the outer walls of two sides of the moving seat 11 are symmetrically provided with two circular grooves 14, the inner wall of each circular groove 14 is fixedly provided with a clamping block 16 through a compression spring A15, the inner wall of the front side of the drawer 3 is symmetrically provided with two fixing blocks 17 corresponding to the positions of two sides of the moving seat 11, the inner side wall of each fixing block 17 is provided with a clamping groove 18, the middle part of the right wall of the box body 1 is fixedly provided with a connecting seat 19, a base 20 is fixedly arranged in the middle of the right wall of the connecting seat 19, a suction disc 21 is fixedly arranged on the right wall of the base 20, a pull rod 22 is coaxially and fixedly connected in the middle of the left wall of the suction disc 21, the left end of the pull rod 22 penetrates through the left wall of the base 20 and extends into the connecting seat 19, a shifting plate 23 is fixedly arranged in the middle of the right wall of the base 20, a plate groove 24 is formed in the top surface of the connecting seat 19 relative to the positions of the pull rod 22 and the lower part of the shifting plate 23, two square grooves 25 are formed in the left side of the plate groove 24 in a front-back symmetrical structure, a stop block 27 is fixedly arranged on the inner side wall of each square groove 25 through a compression spring B26, a through groove 28 is formed in the middle of the rear wall of the cavity 2, a winding post 29 is arranged in the position of the rear wall of the box body 1 relative to the left side of the through groove 28, a post groove 30 is formed in the rear wall of the box body 1 relative to the post 29, a rear cover 31 is provided with a rear cover 31, a rear cover 31 is coaxially and fixedly connected with a plug 32, a plug-in the middle of the rear cover 31, a plurality of wire-holding plates 34 with equal intervals in an annular shape, the front end of the outer side wall of the line clamping plate 34 is fixedly provided with a clamping block 35, the position of the rear wall of the box body 1, which is opposite to the outer side of the column groove 30, is fixedly provided with a limiting ring 36, and the position of the inner wall of the limiting ring 36, which is opposite to the clamping block 35, is provided with a clamping groove 37.

Specifically, the rear end of the drawer 3 is an open structure, the front end of the drawer 3 passes through the front opening end of the cavity 2 and extends to the outside, the outer wall of the drawer 3 is in sliding contact with the inner wall of the cavity 2, the rear wall of the front plate 4 is in clearance fit with the front wall of the box body 1, the guide post 5 is in sliding fit with the guide groove 6, the ratchet wheel 39 is in meshing contact with the pawl 41, the height of the limit block 44 is smaller than the distance between the top surface of the rotating post 43 and the top surface of the guide post 5, the front wall of the limit block 44 is tightly attached to the front wall of the limit groove 45, the lower end of the telescopic rod 47 is of a hemispherical structure, the lower end of the telescopic rod 47 is in sliding fit with the curved groove 46, the lower end of the return spring B48 is fixedly connected with the lower side of the outer wall of the telescopic rod 47, a user can press the drawer 3 backwards along the front wall of the drawer 3 before pulling out the drawer 3, so that the return spring C49 at the rear end of the guide post 5 is pressed and shrunk, and in the process that the rotating post 43 moves backwards along the guide groove 6, the lower end of the telescopic rod 47 on the top of the guide slot 6 will make the rotating post 43 rotate through its sliding fit with the curved slot 46, at this time, the pawl 41 will not limit the rotation of the ratchet wheel 39, when the telescopic rod 47 forces the rotating post 43 to rotate 180 degrees, the end will also reach the foremost end of the curved slot 46, at this time, the guide post 5 will be pushed forward under the elastic force of the return spring C49, and because the pawl 41 and the ratchet wheel 39 are engaged, the ratchet wheel 39 will limit the rotating post 43 from rotating reversely, so the telescopic rod 47 which can not press the rotating post 43 along the curved slot 46 to rotate reversely will contract, the return spring B48 sleeved on the outer lower end will shorten, when the return spring C49 returns to its original state, the lower end of the telescopic rod 47 will come to the open end of another curved slot 46 on the outer side of the rotating post 43, because the rotating post 43 has rotated 180 degrees, so stopper 44 has also rotated the position for guide slot 6 upper portion, and its highly is less than the top surface of guide pillar 5, so the user just can be easily take out drawer 3 cavity 2, treat can also fix drawer 3 with the same reason after the hard disk installation goes into drawer 3 inside, not only reached through such structural design to drawer 3 fixed make this device more wholeization, avoid hard disk and computer machine case the possibility of taking place relative motion to the at utmost, still make this device can be free adsorb the problem that drawer 3 can not take place to drop in the optional position of computer machine incasement wall, furthermore, this structural design is ingenious, easy understanding is got up in the operation, also very big improvement the use convenience of this device when having ensured the practicality, get two at a stroke.

Further, splint 7 bottom surface and the inboard bottom surface sliding contact of drawer 3, splint 7 back wall and cavity 2 back wall clearance fit, 8 inside walls of extrusion pad are the wave type structure setting, slider 9 is big-end-up's T type structure with spout 10, slider 9 and spout 10 sliding fit, it is big-end-up's L type structure to remove seat 11, remove 11 bottom surface positions of seat and splint 7 bottom surface position parallel and level, the user can pull out drawer 3 of this device earlier when purchasing new hard disk, put into drawer 3 with the hard disk link towards the rear and along the rear portion open end immediately, the antetheca of this in-process hard disk can extrude and remove seat 11 forward movements.

Furthermore, the outer side end of the connecting rod 12 is hinged with the front end of the bottom surface of the clamping plate 7, the bottom surface of the connecting rod 12 is in sliding contact with the bottom surface of the bottom groove 13, the rear wall of the connecting rod 12 is tightly attached to the rear wall of the bottom groove 13, the bottom surface of the fixed block 17 is in clearance fit with the bottom surface of the inner side of the rack, the clamping block 16 and the clamping groove 18 are both of a hemispherical structure, the clamping block 16 is in clamping fit with the clamping groove 18, the angle between the connecting rod 12 and the hinged part of the connecting rod 12 is changed due to the change of the position of the movable seat 11, the included angle between the rear sides of the two connecting rods 12 is gradually reduced along with the forward movement of the movable seat 11, so that the clamping plate 7 is pulled inwards by the outer side end of the connecting rod 12, the clamping plate 7 is clamped towards the middle part along the sliding fit direction of the sliding block 9 and the sliding groove 10, and finally the clamping block 16 at the two sides of the movable seat 11 are clamped with the clamping groove 18 of the inner side wall of the fixed block 17, so as to limit the position of the clamping plate 7, at this time, the extrusion pad 8 fixedly arranged on the inner side wall of the clamping plate 7 is tightly attached to the side wall of the hard disk, the extrusion pad 8 can produce bigger deformation under the design of its wave type inner wall, can not only more firm extrusion live the hard disk, can also strengthen the hard disk and the effect of the frictional force between the two firmly restriction in drawer 3 has reached the hard disk, such design can avoid the hard disk to take place relative movement with box body 1 in the use, further prevent to produce relative vibrations and cause the problem emergence of damage between hard disk and the computer, also reduced the maintenance cost when having reduced hard disk damage probability.

Further, the base 20 is a bowl-shaped structure with a right concave surface, the pull rod 22 is connected with the base 20 in a sliding manner, the shifting plate 23 is a T-shaped structure with a big top and a small bottom, the outer wall of the pull rod 22 and the outer wall of the shifting plate 23 are in sliding contact with the inner wall of the plate groove 24, the bottom surfaces of the two sides of the shifting plate 23 are in sliding contact with the top surface of the connecting seat 19, the right wall of the stop block 27 is in an inclined plane structure with the inner side end deviated to the left, the stop block 27 is in sliding fit with the square groove 25, when a user needs to add a hard disk into the computer case, the hard disk can be fixed in the device, then the flat inner wall inside the case is selected and the suction cup 21 is attached to the place, then the user can pull the shifting plate 23 to the left side along the top surface of the connecting seat 19, the shifting plate 23 can drive the pull rod 22 to move to the left along the plate groove 24 and simultaneously pull the middle part of the left wall of the suction cup 21 to generate elastic deformation, so that a negative pressure cavity is formed between the right wall of the suction cup 21 and the inner wall of the case, when the dial plate 23 contacts the right wall of the stop block 27, the stop block 27 retracts into the square groove 25 under the extrusion effect of the dial plate 23 on the inclined plane part of the right wall of the stop block 27, when the position of the dial plate 23 reaches the left side of the square groove 25, the compression spring B26 can eject the stop block 27 out of the square groove 25 again, at the moment, the dial plate 23 cannot return to the original position under the elastic force of the suction disc 21 under the limiting effect of the left wall of the stop block 27, so that the device can be firmly adsorbed on the inner wall of the computer case, relative vibration cannot be generated between the hard disc and the computer case in the operation process of the computer, and the damage of the vibration to the hard disc is reduced.

It is worth introducing that the wrapping post 29 and the post groove 30 are both T-shaped structures, the front end of the wrapping post 29 is rotatably matched with the post groove 30, the inserting post 32 and the inserting groove 33 are both in a Chinese character 'zhong' shape, the inserting post 32 is in inserting matching with the inserting groove 33, the line clamping plate 34 is in an arc-shaped structure with the radian of the outer wall identical to that of the annular outer wall of the back cover 31, the inner diameter of the limiting ring 36 is equal to that of the back cover 31, the clamping block 35 is in clamping matching with the clamping groove 37, after a user fixes the box body 1 on the inner wall of the computer case, the hard disk and the computer mainboard can be connected through the connecting line through the through groove 28 at the back side, the user can wind the redundant connecting line along the outside of the wrapping post 29 before the connection, the user can conveniently and rapidly wind the connecting line to the outside of the wrapping post 29 through the mode of directly rotating the wrapping post 29 through the rotating matching between the front end of the wrapping post 29 and the post groove 30, thereby greatly improving the convenience of storing the connecting line, after the winding of unnecessary part finishes, the user alright be connected back lid 31 and wrapping post 29 and make the both ends of connecting wire stretch out along the 34 clearances of calorie line board of two differences respectively along the plug post 32 with slot 33 grafting complex direction, this moment at 36 inner walls of spacing ring under the extrusion effect of joint piece 35 the card line board 34 front end can slightly to the inboard side skew, the user only needs to drive wrapping post 29 and calorie line board 34 through back lid 31 and carries out small amplitude and rotate can with joint piece 35 card income joint groove 37 in, this design has played the fixed action to the connecting wire, avoid it to scatter gradually in the use, prevent the intertwine's of numerous and diverse connecting wire in computer machine incasement portion problem, reach the effect of arrangement and protection to the connecting wire, can effectually increase its life.

The working principle is as follows: when a user purchases a new hard disk, the drawer 3 of the device can be pulled out first, before the user pulls out the drawer 3, the user can press the drawer 3 backwards along the front wall of the drawer 3, so that the return spring C49 at the rear end of the guide post 5 is pressed to contract, as the rotating post 43 moves backwards along the guide slot 6, the lower end of the telescopic rod 47 at the top surface of the guide slot 6 rotates the rotating post 43 through the sliding fit relation with the curved slot 46, at this time, the pawl 41 does not limit the rotation of the ratchet wheel 39, when the telescopic rod 47 forces the rotating post 43 to rotate 180 degrees, the end part of the rotating post 43 reaches the foremost end of the curved slot 46, at this time, the guide post 5 is pushed forwards under the elastic force of the return spring C49, and due to the meshing contact relation between the pawl 41 and the ratchet wheel 39, the ratchet wheel 39 limits the reverse rotation of the rotating post 43, so that the telescopic rod 47 which can not press the rotating post 43 to rotate reversely along the curved slot 46 can contract, the return spring B48 sleeved on the lower end of the outer part of the telescopic rod will also shorten, when the return spring C49 restores to the original state, the lower end of the telescopic rod 47 will come to the opening end of the other curved groove 46 on the outer side of the rotary column 43, and because the rotary column 43 has rotated 180 degrees, the limiting block 44 also rotates to the position corresponding to the upper part of the guide groove 6, and the height of the limiting block is lower than the top surface of the guide column 5, so that a user can easily draw the drawer 3 out of the cavity 2, and the drawer 3 can be fixed in the same way after a hard disk is installed in the drawer 3, through the structural design, the fixing of the drawer 3 is realized, the device is more integrated, the possibility of relative movement between the hard disk and the computer case is avoided to the maximum extent, the problem that the drawer 3 can not fall off at any position on the inner wall of the computer case can be freely absorbed, and the structural design is ingenious, the operation is got up simply and easily understood, has also very big improvement the use convenience of this device when having ensured the practicality, must double at one stroke. The hard disk connecting end faces the rear and is placed into the drawer 3 along the rear opening end, the front wall of the hard disk extrudes the movable seat 11 to move forwards in the process, the angle of the connecting rod 12 hinged with the connecting rod 12 is changed along with the change of the position of the movable seat 11, the included angle of the rear sides of the two connecting rods 12 is gradually reduced along with the forward movement of the movable seat 11, so that the outer side end of the connecting rod 12 pulls the clamping plate 7 inwards, the clamping plate 7 is clamped towards the middle part along the sliding matching direction of the sliding block 9 and the sliding groove 10, finally the clamping blocks 16 on the two sides of the movable seat 11 are clamped with the clamping grooves 18 on the inner side wall of the fixed block 17, so as to limit the position of the clamping plate 7, at the moment, the extrusion pad 8 fixedly arranged on the inner side wall of the clamping plate 7 is tightly attached to the side wall of the hard disk, the extrusion pad 8 can generate larger deformation under the design of the wavy inner wall, and not only can more firmly extrude the hard disk, the friction force between the hard disk and the drawer can be enhanced to achieve the effect of firmly limiting the hard disk in the drawer 3, the design can prevent the hard disk from moving relative to the box body 1 in the using process, further prevent the problem that the hard disk and the computer are damaged due to relative vibration, reduce the damage probability of the hard disk and the maintenance cost, and has strong practicability, when a user needs to add the hard disk in the computer case, the hard disk can be fixed in the device, then the flat inner wall in the case is selected and the sucking disk 21 is attached to the position, the user can pull the shifting plate 23 along the top surface of the connecting seat 19 to the left side, the shifting plate 23 can drive the pull rod 22 to move left along the plate groove 24 and pull the middle part of the left wall of the sucking disk 21 to generate elastic deformation, so that a cavity is formed between the right wall of the sucking disk 21 and the inner wall of the case to generate suction, when the dial plate 23 contacts the right wall of the stop block 27, the stop block 27 will be retracted into the square groove 25 under the extrusion effect of the dial plate 23 on the inclined plane part of the right wall of the stop block 27, when the position of the dial plate 23 reaches the left side of the square groove 25, the compression spring B26 will eject the stop block 27 out of the square groove 25 again, at this time, the dial plate 23 cannot return to the original position under the elastic force of the suction cup 21 under the restriction action of the left wall of the stop block 27, so that the device can be firmly attached to the inner wall of the computer case, so that the hard disk and the computer case will not generate relative vibration in the operation process of the computer, the damage of vibration to the hard disk is reduced, after the user fixes the box body 1 on the inner wall of the computer case, the hard disk and the computer main board can be connected through the connecting wire through the through groove 28 at the rear side, the user can wind the redundant connecting wire along the outside of the winding post 29 before the connection, and the rotation fit between the front end of the post groove 30 can be convenient for the user to rotate the winding post 29 directly The connecting wire is quickly wound outside the connecting wire, so that the convenience of storing the connecting wire is greatly improved, after the winding of the redundant part is finished, the user can connect the back cover 31 with the winding post 29 along the direction of the splicing matching of the plug post 32 and the slot 33 and make the two ends of the connecting line respectively extend along the gaps of two different wire clamping plates 34, at the moment, the front end of the wire clamping plate 34 slightly deflects towards the inner side under the extrusion effect of the inner wall of the limit ring 36 on the clamping block 35, the user can clamp the clamping block 35 into the clamping groove 37 only by driving the winding post 29 and the wire clamping plate 34 to rotate for a small extent through the back cover 31, this design has played the fixed action to the connecting wire, avoids it to scatter gradually in the use, prevents numerous and diverse a plurality of connecting wires in the inside intertwine's of computer machine case problem, reaches the effect of arrangement and protection to the connecting wire, can effectually increase its life.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multi-functional computer expansion device convenient to dismouting, includes box body (1), its characterized in that: the front wall of the box body (1) is provided with a plurality of cavities (2) at equal intervals linearly, a drawer (3) is inserted into each cavity (2), the front end of the bottom surface of each drawer (3) is fixedly provided with a front plate (4), the middle part of the rear wall of each front plate (4) is fixedly provided with a guide pillar (5), the front wall of the box body (1) is provided with a guide groove (6) relative to the guide pillar (5), the lower end of the rear wall of each guide pillar (5) is provided with a groove (38), the front wall of each groove (38) is rotatably connected with a ratchet wheel (39), the top surface of each groove (38) is provided with an edge groove (40), the inner side end of each edge groove (40) is hinged with a pawl (41), a reset spring A (42) is fixedly arranged between the outer side wall of each pawl (41) and the top surface of each edge groove (40), the rear part of each ratchet wheel (39) is coaxially and fixedly connected with a rotating column (43), the front end of the bottom surface of each rotating column (43) is fixedly provided with a limiting block (44), the guide slot (6) bottom surface rear end has been seted up spacing groove (45), it has seted up two curve grooves (46) to rotate post (43) annular outer wall rear end and be central symmetrical structure, guide slot (6) top surface has set firmly telescopic link (47) for the position of curve groove (46) rear side open end, telescopic link (47) lower extreme outer wall cover is equipped with reset spring B (48), it has set firmly reset spring C (49) to rotate post (43) rear wall middle part, the inside bilateral symmetry of drawer (3) is equipped with two splint (7), splint (7) inside wall has set firmly extrusion pad (8), splint (7) bottom surface middle part has set firmly slider (9), spout (10) have been seted up for the position of slider (9) to drawer (3) inboard bottom surface, two be equipped with between splint (7) inside wall front end and remove seat (11), the bottom surface of the movable seat (11) is of a symmetrical structure and is hinged with two connecting rods (12), a bottom groove (13) is formed in the bottom surface of the inner side of the drawer (3) relative to the position of the connecting rods (12), two circular grooves (14) are formed in the outer walls of the two sides of the movable seat (11) symmetrically, a clamping block (16) is fixedly arranged on the inner wall of each circular groove (14) through a compression spring A (15), two fixing blocks (17) are fixedly arranged on the inner wall of the front side of the drawer (3) relative to the position of the two sides of the movable seat (11), a clamping groove (18) is formed in the inner wall of each fixing block (17) relative to the position of the corresponding clamping block (16), a connecting seat (19) is fixedly arranged in the middle of the right wall of the box body (1), a base (20) is fixedly arranged in the middle of the right wall of the connecting seat (19), a sucking disc (21) is fixedly arranged on the right wall of the base (20), and a pull rod (22) is coaxially and fixedly connected to the middle of the left wall of the sucking disc (21), the left end of the pull rod (22) penetrates through the left wall of the base (20) and extends into the connecting seat (19) and is fixedly provided with a shifting plate (23), the top surface of the connecting seat (19) is provided with a plate groove (24) relative to the position of the lower part of the pull rod (22) and the shifting plate (23), the left side of the plate groove (24) is of a front-back symmetrical structure and is provided with two square grooves (25), the inner side wall of each square groove (25) is fixedly provided with a stop block (27) through a compression spring B (26), the middle part of the rear wall of the cavity (2) is provided with a through groove (28), the rear wall of the box body (1) is provided with a winding post (29) relative to the position of the left side of the through groove (28), the rear wall of the box body (1) is provided with a post groove (30) relative to the position of the winding post (29), the rear part of the winding post (29) is provided with a rear cover (31), and the middle part of the front wall of the rear cover (31) is coaxially and fixedly connected with an inserting post (32), slot (33) have been seted up for the position of post (32) in wrapping post (29) rear wall, back lid (31) front wall is annular equidistant a plurality of wiring boards (34) have set firmly, wiring board (34) lateral wall front end is equipped with joint piece (35) admittedly, box body (1) rear wall has set firmly spacing ring (36) for the position of post groove (30) outside, joint groove (37) have been seted up for the position of joint piece (35) to spacing ring (36) inner wall.

2. The multifunctional computer expansion device convenient for disassembly and assembly of claim 1, wherein: the rear end of the drawer (3) is of an open structure, the front end of the drawer (3) penetrates through the front opening end of the cavity (2) and extends to the outside, the outer wall of the drawer (3) is in sliding contact with the inner wall of the cavity (2), the rear wall of the front plate (4) is in clearance fit with the front wall of the box body (1), the guide pillar (5) is in sliding fit with the guide groove (6), the ratchet wheel (39) is in meshing contact with the pawl (41), the height of the limiting block (44) is smaller than the distance between the top surface of the rotating column (43) and the top surface of the guide pillar (5), the front wall of the limiting block (44) is tightly attached to the front wall of the limiting groove (45), the lower end of the telescopic rod (47) is of a hemispherical structure, the lower end of the telescopic rod (47) is in sliding fit with the curved groove (46), and the lower end of the reset spring B (48) is fixedly connected with the lower side of the outer wall of the telescopic rod (47).

3. The multifunctional computer expansion device convenient for disassembly and assembly of claim 1, wherein: splint (7) bottom surface and the inboard bottom surface sliding contact of drawer (3), wall clearance fit behind splint (7) back wall and cavity (2), extrusion pad (8) inside wall is the wave type structure setting, slider (9) are big-end-up's T type structure with spout (10), slider (9) and spout (10) sliding fit, remove seat (11) and be big-end-up's L type structure, remove seat (11) bottom surface position and splint (7) bottom surface position parallel and level.

4. The multifunctional computer expansion device convenient for disassembly and assembly of claim 1, wherein: connecting rod (12) outside end is articulated with splint (7) bottom surface front end, connecting rod (12) bottom surface and kerve (13) bottom surface sliding contact, wall and kerve (13) back wall closely laminate behind connecting rod (12), fixed block (17) bottom surface and the inboard bottom surface clearance fit of rack, fixture block (16) are the hemispheroid structure with draw-in groove (18), fixture block (16) and draw-in groove (18) joint cooperation.

5. The multifunctional computer expansion device convenient for disassembly and assembly of claim 1, wherein: base (20) are concave surface right bowl structure, pull rod (22) and base (20) sliding connection, it is big-end-up's T type structure to dial board (23), pull rod (22) outer wall and dial board (23) outer wall all with board groove (24) inner wall sliding contact, dial board (23) both sides bottom surface and connecting seat (19) top surface sliding contact, dog (27) right wall is the inclined plane structure that the medial extremity squinted left, dog (27) and square groove (25) sliding fit.

6. The multifunctional computer expansion device convenient for disassembly and assembly of claim 1, wherein: wrapping post (29) is T type structure with post groove (30), wrapping post (29) front end and post groove (30) normal running fit, it is well style of calligraphy structure to insert post (32) and slot (33), it pegs graft the cooperation with slot (33) to insert post (32), calorie line board (34) are outer wall radian and the same arc structure of back lid (31) annular outer wall radian, spacing ring (36) internal diameter size equals with back lid (31) diameter size, joint piece (35) and joint groove (37) joint cooperation.