CN111952769B

CN111952769B - Storage type interface for computer hardware mainboard

Info

Publication number: CN111952769B
Application number: CN202010625827.7A
Authority: CN
Inventors: 万砚明
Original assignee: Xinxiang Vocational and Technical College
Current assignee: Xinxiang Vocational and Technical College
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-09-07
Anticipated expiration: 2040-07-02
Also published as: CN111952769A

Abstract

The utility model provides a computer hardware mainboard is with accomodating formula interface, includes quick-witted case, its characterized in that: the top surface of quick-witted case runs through and is equipped with the minor axis, the upper end fixed mounting apron of minor axis, the top surface both sides of quick-witted case and the top surface both sides of apron are all seted up the several and are passed through the groove, the upper and lower groove one-to-one that distributes that is located the homonymy, the groove that passes through of both sides does not use the minor axis as central symmetry, the jack is seted up to the lower extreme of minor axis, the quick-witted incasement is equipped with the bar shaped plate that can supply the minor axis to pass, the equal fixed mounting several interface end in both sides of bar shaped plate, quick-witted incasement fixed mounting guide holder, the guide holder inner bearing installation uide bushing, the several guide way is seted up to the inner wall of uide bushing, be equipped with sliding fit's montant with it in the uide bushing, the periphery fixed mounting several gib of montant. The invention can reduce the corrosion of the interface end caused by external dust and the like, does not increase the burden of a user in practical use by adopting a pedal type opening mode, and can play a data anti-theft effect for people who do not contact the device.

Description

Storage type interface for computer hardware mainboard

Technical Field

The invention belongs to the field of computer hardware, and particularly relates to a retractable interface for a computer hardware mainboard.

Background

In recent years, people have begun to place data interface at desktop host's top surface to people's daily use, but because data interface up, do not use for a long time, can fall into a lot of dust, flocculus etc., also there is the technique that can solve this problem at present, but or too simple, set up the board that blocks the dust and fall down in data interface top, or during actual operation, too complicated, if realize the adjustment of interface through buckle and magnetic structure, all fail fine satisfying user's demand.

Disclosure of Invention

The invention provides a retractable interface for a computer hardware mainboard, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

the utility model provides a computer hardware mainboard is with accomodating formula interface, includes quick-witted case, its characterized in that: the top surface of the case is provided with a short shaft in a penetrating way, the upper end of the short shaft is fixedly provided with a cover plate, the cover plate is in clearance fit with the case, both sides of the top surface of the case and both sides of the top surface of the cover plate are provided with a plurality of through grooves, the through grooves which are positioned on the same side and distributed up and down are in one-to-one correspondence, the through grooves on both sides are not in central symmetry with the short shaft, the lower end of the short shaft is provided with a jack, a strip-shaped plate through which the short shaft can pass is arranged in the case, both sides of the strip-shaped plate are fixedly provided with a plurality of interface ends, a guide seat is fixedly arranged in the case, a guide sleeve is arranged in the guide seat in a bearing way, the inner wall of the guide sleeve is provided with a plurality of guide grooves in sliding fit, the periphery of the vertical rod is fixedly provided with a plurality of guide strips, the guide strips are positioned in the corresponding guide grooves and in sliding fit with the guide grooves, the upper end of the vertical rod is fixedly provided with an insert block, the periphery of the support block is fixedly arranged on the top of the periphery of the vertical rod, the guide seat is sleeved with an annular sleeve, the two ends of the annular sleeve are fixedly provided with annular plates, the periphery of the annular sleeve is provided with an X-shaped spiral groove, the two sides of the annular plates are provided with grooves communicated with the corresponding end parts of the X-shaped spiral groove, the lower end bearing of the vertical rod is connected with the upper end of the connecting rod, the lower part of the connecting rod is fixedly provided with a groove rail, the groove rail comprises a first groove rail with an arc-shaped structure, the two ends of the first groove rail are provided with a second groove rail with a horizontal structure, the first groove rail and the second groove rail are of an integral structure, a first rotating shaft is arranged in the case through a bearing seat, one end of the first rotating shaft is fixedly provided with a cam, a moving block in sliding fit with the groove rail is arranged in the groove rail, the moving block is fixedly connected with the cam, the other end of the first rotating shaft is fixedly provided with double grooved wheels, a second rotating shaft is arranged in the case through the bearing seat, one end of the second rotating shaft is fixedly provided with a first belt wheel, the other end of the second rotating shaft is fixedly provided with two driving levers with oval sections, the machine is characterized in that a third rotating shaft is installed in the machine case through a bearing seat, a second belt wheel and a gear are fixedly installed on the periphery of the third rotating shaft, the second belt wheel and the first belt wheel are respectively connected with a double-grooved wheel through a belt, a guide rail structure is arranged on one side of the bottom of the inner wall of the machine case, the guide rail structure is connected with a rack capable of vertically moving through a telescopic device, the rack is meshed with the gear, a strip-shaped groove communicated with the outside is formed in one side of the bottom of the inner wall of the machine case, a pedal is fixedly connected with the outer side of the guide rail structure and penetrates through the strip-shaped groove and can vertically move along the strip-shaped.

As above a computer hardware mainboard is with accomodating formula interface, guide structure include the guide bar of vertical setting, the spout is all seted up on the front and back two sides of guide bar, the one end of inner wall bottom one side fixed connection several L template of quick-witted case, the other end of L template all is located the spout that corresponds and can slide along it.

The retractable device is a scissor rod with a return spring.

The control element comprises a cord, a blind hole is formed in the top surface of the pedal and located outside the case, the inner end of the blind hole is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with the bottom surface of the movable block, one end of the cord is fixedly connected to the periphery of the movable block, and the other end of the cord is fixedly connected with the movable end of the scissor rod.

According to the accommodating type interface for the computer hardware mainboard, the top surface of the strip-shaped plate is provided with a plurality of limiting holes, the limiting holes are internally provided with T-shaped rods, and the upper ends of the T-shaped rods are fixedly connected with the top surface of the inner wall of the case.

According to the accommodating type interface for the computer hardware mainboard, the other end of the second rotating shaft is fixedly provided with the two supporting rods, one ends of the supporting rods are fixedly provided with the arc-shaped rods, and the arc-shaped rods can penetrate through the corresponding grooves respectively.

According to the accommodating type interface for the computer hardware mainboard, the folding plates are fixedly mounted on the top surface and the bottom surface of the strip-shaped groove and fixedly connected with the pedals.

The invention has the advantages that: the invention can reduce the corrosion of the interface end caused by external dust and the like, does not increase the burden of a user in practical use by adopting a pedal type opening mode, and can play a data anti-theft effect for people who do not contact the device. In an initial state, the through groove on the cover plate is staggered with the through groove on the case, the interface end is positioned outside the through groove, when the portable mobile phone is used, a user steps on a pedal downwards, the telescopic device extends to enable the rack to be meshed with the gear under the action of the control piece, so that the dual-grooved wheel can be driven to rotate, the dual-grooved wheel drives the cam to rotate through the first rotating shaft, meanwhile, the dual-grooved wheel drives the first driving wheel to rotate, when the moving block is positioned in the second grooved rail, the arc-shaped rod is positioned in the groove, the cam rotates to drive the grooved rail to vertically move, the grooved rail drives the vertical rod to upwards move through the connecting rod, when the vertical rod upwards moves, the strip-shaped plate can be driven to upwards move, so that the interface end is inserted into the corresponding through groove, the inserting block is inserted into the inserting hole, at the moment, the gear rotates for half circle, then the driving rod enters the groove and then slides along the X-shaped spiral groove, so that the annular sleeve can rotate, and the end parts of the X-shaped spiral groove are respectively positioned at two sides of the annular sleeve, after the driving lever shifts out the X type helicla flute, the annular cover rotates half a week, under the cooperation of guide way and gib block, the annular cover rotates and can drive the montant and rotate, thereby make the strip shaped plate apron rotate, the clear groove on apron and the quick-witted case aligns, at this moment, the user can insert the interface end with external equipment, then make the footboard reset, reset process apron and strip shaped plate do not have the action, when the above-mentioned action of repetition once more, the strip shaped plate moves down and resets, shift up once more afterwards, repeat the above-mentioned action once more, apron upset half a week, the strip shaped plate moves down and resets, a cycle finishes, the gear rotates three weeks, the double grooved pulley rotates two weeks, first driving wheel rotates a week. When separation interface end and external equipment, can realize through removing the footboard equally (the prerequisite is that the insulating part that external equipment connects can't pass through the groove), be applicable to the condition that does not use or need to change external connection equipment in the short time, to the quick-witted case of iron shell, can also reduce the risk of electrocution (the condition that can support quick-witted case with the finger when here indicates the plug), make the footboard go up and down the cubic repeatedly when not using for a long time, can make the apron cover through the groove, and the bar shaped plate sinks into quick-witted incasement. The concave design can be made at the case corresponding to the strip-shaped groove, so that the pedal is hidden, and the data stealing prevention effect of the device can be further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; FIG. 3 is an enlarged view of a portion II of FIG. 1; FIG. 4 is an enlarged view of a portion III of FIG. 1; fig. 5 is an enlarged view of the view from the direction a of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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 utility model provides a computer hardware mainboard is with accomodating formula interface, as shown in the figure, includes quick-witted case 1, its characterized in that: the top surface of a case 1 is provided with a short shaft 2 in a penetrating way, the short shaft 2 is connected with the case 1 through a bearing, the upper end of the short shaft 2 is fixedly provided with a cover plate 3, the cover plate 3 is in clearance fit with the case 1, both sides of the top surface of the case 1 and both sides of the top surface of the cover plate 3 are provided with a plurality of through grooves 4, the through grooves 4 distributed up and down on the same side are in one-to-one correspondence, the through grooves 4 on both sides are not in central symmetry with the short shaft 2, the lower end of the short shaft 2 is provided with a jack 5, a strip-shaped plate 6 for the short shaft 2 to pass through is arranged in the case 1, both sides of the strip-shaped plate 6 are fixedly provided with a plurality of interface ends 7 which are in one-to-one correspondence with the through grooves 4, the interface ends 7 can be respectively and simultaneously inserted into the corresponding through grooves 4, the middle part of the strip-shaped plate 6 is provided with a shaft hole for the short shaft 2 to pass through, a guide seat 8 is fixedly arranged in the case 1, a guide sleeve 9 is arranged in the guide seat 8, the end part of the guide sleeve is flush with the end surface of the guide seat 8, the inner wall of the guide sleeve 9 is provided with a plurality of guide grooves 10, the guide sleeve 9 is internally provided with a vertical rod 11 in sliding fit with the guide sleeve, the periphery of the vertical rod 11 is fixedly provided with a plurality of guide strips 12, the guide strips 12 are all positioned in the corresponding guide grooves 10 and are in sliding fit with the guide grooves, the upper end of the vertical rod 11 is fixedly provided with an insert block 13, the insert block 13 can be in inserting fit with the jack 5, the insert block 13 and the jack 5 are both of square structures and have high fit stability, the top part of the periphery of the vertical rod 11 is fixedly provided with a plurality of support blocks 49 which can be in contact fit with the bottom surface of the strip-shaped plate 6, the periphery of the guide seat 8 is sleeved with an annular sleeve 14, the annular sleeve 14 and the annular sleeve 14 adopt a fixed connection mode such as welding and the like, the annular sleeve 14 is fixedly provided with annular plates 15 at two ends, the inner ring of the annular plate 15 is fixedly connected with the end part periphery of the annular sleeve 14, the X-shaped spiral groove 16 is provided at two sides of the annular plate 15, the top surface and the bottom surface of the groove 17 are communicated with the inside of the case 1, the lower end of the vertical rod 11 is connected with the upper end of the connecting rod 18 through a bearing, the lower part of the connecting rod 18 is fixedly provided with a groove rail, the periphery of the groove rail can be provided with a vertical guide piece to assist the stable motion of the connecting rod, the prior art is adopted, the groove rail comprises a first groove rail 19 with an arc structure, the concave surface of the first groove rail is downward, two ends of the first groove rail 19 are respectively provided with a second groove rail 20 with a horizontal structure, the first groove rail 19 and the second groove rail 20 are integrated into a whole, a first rotating shaft 21 is arranged in the case 1 through a bearing seat, the position of the bearing seat is fixed, one end of the first rotating shaft 21 is fixedly provided with a cam 22, a moving block 23 in sliding fit with the groove rail is arranged in the groove rail, the moving block 23 is fixedly connected with the cam 22, a connecting point is positioned at the eccentric end of the cam 22, the other end of the first rotating shaft 21 is fixedly provided with a double grooved pulley 24, a second rotating shaft 25 is arranged in the case 1 through the bearing seat, one end of the second rotating shaft 25 is fixedly provided with a first belt pulley 26, and the transmission ratio of the first belt pulley 26 to the double grooved pulley 24 is 1: 2, the transmission ratio of the double sheave 24 to the secondary pulley 29 is 2: 3, two shifting levers 27 with oval cross sections are fixedly installed at the other end of the second rotating shaft 25, the two shifting levers 27 are symmetrically distributed by taking the second rotating shaft 25 as a center, the shifting levers 27 can be positioned in the X-shaped spiral groove 16 and the groove 17 and can slide along the same, a third rotating shaft 28 is installed in the case 1 through a bearing seat, a second belt wheel 29 and a gear 30 are fixedly installed at the periphery of the third rotating shaft 28, the second belt wheel 29 and the first belt wheel 26 are respectively connected with the double grooved wheels 24 through a belt 31, a guide rail structure is arranged at one side of the bottom of the inner wall of the case 1, the guide rail structure is connected with a rack 32 capable of vertically moving through a telescopic device, the rack 32 is meshed with the gear 30, the length of the rack 32 is equal to the perimeter of the gear 30, when the top end of the rack is meshed with the gear 30, the bottom end of the rack 32 is contacted with the bottom surface of the inner wall of the case 1, a strip-shaped groove 33 communicated with the outside is arranged at one side of the bottom of the inner wall of the case 1, and a pedal 34 is fixedly connected with the outside of the guide rail structure, the pedal 34 passes through the strip-shaped groove 33 and can move vertically along the groove, the pedal 34 is connected with the strip-shaped groove 33 through a tension spring 43, and a control part capable of enabling the telescopic device to stretch is arranged on the pedal 34. The invention can reduce the corrosion of the interface end 7 caused by external dust and the like, does not increase the burden of a user in practical use by adopting a pedal type opening mode, and can play a data anti-theft effect for people who do not contact the device. In an initial state, the through groove 4 on the cover plate 3 is staggered with the through groove 4 on the case 1, the interface end 7 is positioned outside the through groove 4, when in use, a user steps on the pedal 34 downwards, under the action of the control piece, the expansion device extends to enable the rack 32 to be meshed with the gear 30, so that the double-grooved pulley 24 can be driven to rotate, the double-grooved pulley 24 drives the cam 22 to rotate through the first rotating shaft 21, meanwhile, the double-grooved pulley 24 drives the first belt pulley 26 to rotate, when the moving block 23 is positioned in the second grooved rail 20, the arc-shaped rod 47 is positioned in the groove 17, the cam 22 can drive the grooved rail to vertically move, the grooved rail drives the vertical rod 11 to upwards move through the connecting rod 18, when the vertical rod 11 upwards moves, the strip-shaped plate 6 can be driven to upwards move, so that the interface end 7 is inserted into the corresponding through groove 4, the insert block 13 is inserted into the insertion hole 5, at the gear 30 rotates for half a circle, then, the shift lever 27 enters the groove 17 and then slides along the X-shaped spiral groove 16, the annular sleeve 14 can be rotated, the end parts of the X-shaped spiral groove 16 are respectively located on two sides of the annular sleeve 14, after the shift lever 27 is moved out of the X-shaped spiral groove 16, the annular sleeve 14 rotates for a half circle, the annular sleeve 12 rotates to drive the vertical rod 11 to rotate under the matching of the guide groove 10 and the guide strip 12, so that the strip-shaped plate cover plate 3 rotates, the cover plate 3 is aligned with the through groove 4 in the case 1, at the moment, a user can access external equipment into the interface end 7, then the pedal 34 resets, the cover plate 3 and the strip-shaped plate 6 do not move in the resetting process, when the actions are repeated again, the strip-shaped plate 6 moves downwards to reset, then moves upwards again, the actions are repeated again, the cover plate 3 is turned for a half circle, the strip-shaped plate 6 moves downwards to reset, one period is finished, the gear 30 rotates for three circles, the double-grooved pulley 24 rotates for two circles, and the first belt pulley 26 rotates for a circle. During separation interface end 7 and external equipment, can realize through removing footboard 34 equally (the prerequisite is that the insulating part that external equipment connects can't pass through groove 4), be applicable to the condition that does not use or need to change external connection equipment in the short time, to the quick-witted case 1 of iron shell, can also reduce the risk of electrocuteeing (the condition that can support the quick-witted case with the finger when here indicates the plug), make footboard 34 go up and down the cubic repeatedly when not using for a long time, can make apron 3 cover groove 4, and bar 6 sinks in quick-witted case 1. The concave design can be made at the case 1 corresponding to the strip-shaped groove 33, so that the pedal 34 is hidden, and the data stealing prevention effect of the device can be further improved.

Specifically, as shown in fig. 2, the guide structure described in this embodiment includes a guide rod 35 vertically disposed, sliding grooves 36 are formed in both the front and back surfaces of the guide rod 35, one end of a plurality of L-shaped plates 37 is fixedly connected to one side of the bottom of the inner wall of the chassis 1, and the other end of each L-shaped plate 37 is located in the corresponding sliding groove 36 and can slide along the sliding groove. This structure can guarantee the stable vertical movement of guide bar 35 to drive that rack 32 can be stable with the meshing of gear 30.

Specifically, as shown in fig. 2, the telescopic device in this embodiment is a scissor lever 38 with a return spring. The specific installation method is not described herein, and such a telescopic method has high stability and small occupied space, and the return spring is disposed between the fixed end and the movable end and is smaller than the elastic force of the spring 41, so as to make the scissors rod 38 have a motion tendency of contraction.

Further, as shown in fig. 2, the control member described in this embodiment includes a cord 39, a blind hole 40 is formed in a top surface of the pedal 34, the pedal 34 is of an inverted L-shaped structure, vertical portions of the pedal are located outside the chassis 1, the blind hole 40 is located in the vertical portion, the blind hole 40 is located outside the chassis 1, an inner end of the blind hole 40 is fixedly connected to one end of a spring 41, another end of the spring 41 is fixedly connected to a bottom surface of a movable block 42, an outer periphery of the movable block 42 is fixedly connected to one end of the cord 39, and another end of the cord 39 is fixedly connected to a movable end of the scissor lever 38. The guide rod 35 is provided with a thread hole through which the thread 30 can pass, the elastic force of the spring 41 is smaller than that of the tension spring 43, when the guide rod is in an initial state, the thread 39 is in a tightened state, the top of the movable block 42 is positioned outside the blind hole 40, when a user steps on the pedal 34 downwards, the movable block 42 is firstly stepped into the blind hole 40, the spring 41 contracts, the movable block 42 pulls the scissors rod 38 through the thread 39, the movable end of the scissors rod 38 is positioned below the pedal 34 and can drive the scissors rod to extend, so that the rack 32 moves towards the gear 30 and is finally meshed, then the pedal 34 moves downwards to drive the gear 30 to rotate, after the user lifts the foot, the spring 41 resets, the scissors rod 38 contracts under the action of the reset spring, the rack 32 is separated from the gear 30, and the purpose that the rack 32 does not drive the gear 30 to rotate when moving upwards is achieved.

Furthermore, as shown in fig. 3, a plurality of limiting holes 44 are formed in the top surface of the strip-shaped plate 6 according to the present embodiment, the limiting holes 44 all penetrate through the T-shaped rods 45, and the upper ends of the T-shaped rods 45 are all fixedly connected to the top surface of the inner wall of the chassis 1. The length of the transverse part of the T-shaped rod 45 is larger than the diameter of the limiting hole 44, the T-shaped rod cannot penetrate through the limiting hole 44, and the vertical part is in sliding fit with the inner wall of the limiting hole 44, so that stable vertical movement of the strip-shaped plate 6 can be guaranteed.

Furthermore, as shown in fig. 1 or 4, two supporting rods 46 are fixedly installed at the other end of the second rotating shaft 25 in the embodiment, the two supporting rods 46 are symmetrically distributed around the second rotating shaft 25 and are arranged at the same quadrant as the shift lever 27, an arc-shaped rod 47 is fixedly installed at one end of each supporting rod 46, and the arc-shaped rods 47 can respectively penetrate through the corresponding grooves 17. This arrangement further ensures that the annular sleeve 14 does not rotate when the vertical rod 11 is moved vertically.

Furthermore, as shown in fig. 2, the top surface and the bottom surface of the strip-shaped groove 33 of the present embodiment are both fixedly installed with folding plates 48, and the folding plates 48 are both fixedly connected with the pedal 34. This structure is used for shutoff strip groove 33 to prevent that a large amount of dust from getting into quick-witted case 1 through strip groove 33.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a computer hardware mainboard is with accomodating formula interface which characterized in that: including quick-witted case (1), its characterized in that: the top surface of a case (1) is provided with a short shaft (2) in a penetrating manner, the upper end of the short shaft (2) is fixedly provided with a cover plate (3), the cover plate (3) is in clearance fit with the case (1), both sides of the top surface of the case (1) and both sides of the top surface of the cover plate (3) are provided with a plurality of through grooves (4), the through grooves (4) distributed up and down on the same side correspond to one another one by one, the through grooves (4) on both sides are not symmetrical by taking the short shaft (2) as a center, the lower end of the short shaft (2) is provided with a jack (5), a strip-shaped plate (6) for the short shaft (2) to pass through is arranged in the case (1), both sides of the strip-shaped plate (6) are fixedly provided with a plurality of interface ends (7), a guide seat (8) is fixedly arranged in the case (1), a guide sleeve (9) is arranged in a bearing in the guide seat (, a plurality of guide strips (12) are fixedly installed on the periphery of a vertical rod (11), the guide strips (12) are all located in corresponding guide grooves (10) and are in sliding fit with the guide grooves, inserting blocks (13) are fixedly installed on the upper end of the vertical rod (11), a plurality of supporting blocks (49) are fixedly installed on the top of the periphery of the vertical rod (11), an annular sleeve (14) is sleeved on the periphery of a guide seat (8), annular plates (15) are fixedly installed on the two ends of the annular sleeve (14), X-shaped spiral grooves (16) are formed in the periphery of the annular sleeve (14), grooves (17) communicated with the corresponding ends of the X-shaped spiral grooves (16) are formed in the two sides of the annular plate (15), a lower end bearing of the vertical rod (11) is connected with the upper end of a connecting rod (18), groove rails are fixedly installed on the lower portion of the connecting rod (18), each groove rail comprises a first groove rail (19) of an arc-shaped structure, and second groove rails (20) of a horizontal structure are arranged at the two ends of the first groove rails (19), the first grooved rail (19) and the second grooved rail (20) are of an integral structure, a first rotating shaft (21) is installed in a case (1) through a bearing seat, a cam (22) is fixedly installed at one end of the first rotating shaft (21), a moving block (23) in sliding fit with the first rotating shaft is arranged in the grooved rail, the moving block (23) is fixedly connected with the cam (22), a double grooved pulley (24) is fixedly installed at the other end of the first rotating shaft (21), a second rotating shaft (25) is installed in the case (1) through the bearing seat, a first belt pulley (26) is fixedly installed at one end of the second rotating shaft (25), two shifting rods (27) with oval cross sections are fixedly installed at the other end of the second rotating shaft (25), the two shifting rods (27) are symmetrically distributed by taking the second rotating shaft (25) as a center, the shifting rods (27) can be located in an X-shaped spiral groove (16) and a groove (17) and can slide along the X-shaped spiral groove (16), and the end portions of the X-shaped spiral groove (16) are respectively located at two sides of an annular sleeve (14), after the shifting lever (27) moves out of the X-shaped spiral groove (16), the annular sleeve (14) rotates for a half circle, a third rotating shaft (28) is installed in the case (1) through a bearing seat, a second belt wheel (29) and a gear (30) are fixedly installed on the periphery of the third rotating shaft (28), the second belt wheel (29) and the first belt wheel (26) are respectively connected with the double grooved wheels (24) through a belt (31), a guide rail structure is arranged on one side of the bottom of the inner wall of the case (1), the guide rail structure is connected with a rack (32) capable of vertically moving through a telescopic device, the rack (32) is meshed with the gear (30), a strip-shaped groove (33) communicated with the outside is formed in one side of the bottom of the inner wall of the case (1), a pedal (34) is fixedly connected to the outer side of the guide rail structure, the pedal (34) penetrates through the strip-shaped groove (33) and can vertically move along the strip-shaped groove, the pedal (34) is connected with the strip-shaped groove (33) through a tension spring (43), the pedal (34) is provided with a control piece capable of enabling the telescopic device to stretch, when a user steps on the pedal (34) downwards, the control piece can drive the telescopic device to stretch firstly, so that the rack (32) moves towards the gear (30) and is finally meshed, then the pedal (34) moves downwards to drive the gear (30) to rotate, after the user lifts feet, the telescopic device contracts, the rack (32) is separated from the gear (30), and therefore the purpose that the rack (32) moves upwards and cannot drive the gear (30) to rotate is achieved.

2. The retractable interface of claim 1, wherein: the guide structure include guide bar (35) of vertical setting, spout (36) are all seted up to the front and back two sides of guide bar (35), the one end of inner wall bottom one side fixed connection several L template (37) of quick-witted case (1), the other end of L template (37) all is located corresponding spout (36) and can slide along it.

3. The retractable interface for a computer hardware motherboard according to claim 1 or 2, wherein: the telescopic device is a scissor rod (38) with a return spring.

4. The retractable interface of claim 3, wherein: the control piece comprises a thread rope (39), a blind hole (40) is formed in the top surface of the pedal (34), the blind hole (40) is located outside the case (1), the inner end of the blind hole (40) is fixedly connected with one end of a spring (41), the other end of the spring (41) is fixedly connected with the bottom surface of a movable block (42), one end of the thread rope (39) is fixedly connected to the periphery of the movable block (42), and the other end of the thread rope (39) is fixedly connected with the movable end of the scissor rod (38).

5. The stowable interface for a computer hardware motherboard according to claim 1, 2 or 4, wherein: the top surface of the strip-shaped plate (6) is provided with a plurality of limiting holes (44), T-shaped rods (45) penetrate through the limiting holes (44), and the upper ends of the T-shaped rods (45) are fixedly connected with the top surface of the inner wall of the case (1).

6. The retractable interface of claim 1, wherein: the other end fixed mounting of second pivot (25) two branch (46), the equal fixed mounting arc pole (47) of one end of branch (46), arc pole (47) can be followed corresponding recess (17) respectively and are passed.

7. The stowable interface for a computer hardware motherboard according to claim 1, 2, 4 or 6, wherein: the top surface and the bottom surface of the strip-shaped groove (33) are fixedly provided with folding plates (48), and the folding plates (48) are fixedly connected with the pedal (34).