CN209608002U - A kind of computer interface unit - Google Patents

Abstract

The utility model discloses a kind of computer interface unit; protecting frame outside the fixed plug wire port in central location including interface body, interface body front end; the top and bottom of interface body is fixedly connected to a safty shield; the inside of the safty shield is equidistant side by side to be fixed with thermally conductive sheet; it is fixed with spring leaf between the bottom and interface body of the thermally conductive sheet, is respectively and fixedly provided with locking device in the interface body of protecting frame two sides outside plug wire port.The utility model is by being arranged jack on the fixed block in locking device, and cooperation installs adaptation ring set additional in the inside of jack, the jack in locking device is enabled to be adapted to the bolt of different size, the interface arrangement is enabled to be suitable for existing common databus grafting end on the market at present, the practicability and applicability of the interface arrangement are greatly improved, convenient for promoting the use of on a large scale.

Description

A kind of computer interface unit

Technical field

The utility model relates to databus interfacing fields, and in particular to a kind of computer interface unit.

Background technique

With the rapid development of the network information technology, computer has become essential a kind of electricity in our daily lifes Sub- equipment, it is well known that no matter computer wherein uses, require connection Various types of data transmission line and carry out data interaction, especially It is in the docking of the data of some biggish site of activity and some big data computers, and computer needs to fill by interface It sets and is attached with the electronic equipment of each purposes, controlled entirely with realizing the synchronous transfer of data and conveniently being reached by computer The purpose of field electronic equipment, and the existing interface arrangement docked currently used for computer data, are usually screwed using bolt Fixed, such docking operation is all compared in dismounting spends the time.

China's publication: " a kind of computer interface unit " (notification number: 207732187 U of CN, the day for announcing: ) and " a kind of computer interface unit " (notification number: 207765700 U of CN, the day for announcing: 2018.08.24) 2018.08.14 Disclosed in computer interface unit technical solution in, though can achieve the effect that fast assembling-disassembling, realize save dismounting when Between purpose, but such technical solution needs to lead to such using the wiring end interface and socket that match in actual use Interface arrangement can not be suitable for the existing data cable plug generally used on the market at present, be unfavorable for promoting the use of on a large scale.

In addition, needing due in some biggish site of activity or in the docking of big data computer data It to be hinged with data line separately to complete the docking of data, and in big data transmission process, due to containing much information, data be caused to pass A large amount of heat can be generated when defeated, and the transmission line during data Transmission Connection is all using pair between terminal and terminal It connects, and when terminal is docked with terminal, due to not belonging to one between the two, electric arc can be generated by causing to dock end point, therefore So that generated heat is mainly manifested in docking end point in data transmission procedure, and existing DIU data interface unit is all to use Plastic cement, which pours, to be pressed, and is caused not exporting in time in data transmission procedure in the heat that interface generates, is not only influenced interface The service life of device is easy to influence so that the core inside interface arrangement is burnt simultaneously because long-time heat can not be discharged It uses.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of computer interface unit, has applied widely, number Convenient for disassembly and assembly when being docked according to line and the advantages of can radiate, dismounting when solving now current computer data interface device docking Inconvenience, the scope of application is small, the short problem of service life.

A kind of computer interface unit of the utility model, the data line connected including interface body, interface body end, Setting is slotting on the inside of the outer protecting frame of the outer protecting frame in the fixed plug wire port in the central location of interface body front end and plug wire port Line end mouth, the top and bottom of the interface body are fixedly connected to a safty shield, and the inside of the safty shield is simultaneously Arrange it is equidistant be fixed with thermally conductive sheet, be fixed with spring leaf between the bottom and interface body of the thermally conductive sheet, be located at safty shield It is uniformly provided with through-hole in the interface body of inside, is respectively and fixedly provided with lock in the interface body of protecting frame two sides outside the plug wire port Tight device.

The locking device includes fixed block, and side of the fixed block far from protecting frame outside plug wire port is sliding integrally formed with one Frid slidably connects a sliding block on the inside of the coulisse, a jack, the inside of jack is offered in the middle part of the fixed block Be plugged with a matching ring set, the top and bottom of the fixed block be threaded with one for fixation match the fastening spiral shell of ring set Bolt, the side of the sliding block are horizontally fixed with two mandrils, and the outer cover of mandril is equipped with the first spring, inside the fixed block Side offers No.1 cavity and No. two cavitys respectively, and two mandrils each extend in corresponding No.1 cavity and No. two cavitys Portion is simultaneously fixed with first piston, and two No. three cavitys are also provided with inside the fixed block, and two No. three cavitys are located at slotting Two side positions in hole, No. three cavity insides are fixed with limit filler ring close to one end of jack, limit worn in the middle part of filler ring be connected to it is slotting Column, described No. three offer through slot between cavity and jack, one end of the inserting column extends to the inside of through slot and is fixedly connected There is a fixed chuck, the other end of inserting column is fixed with second piston, side of the second piston far from jack and No. three cavitys Between be equipped with second spring, the tail end of the No.1 cavity and No. two cavitys passes through running of hydraulic power oil channel and corresponding No. three Cavity is connected, and is perfused with hydraulic oil in the No.1 cavity and No. two cavitys and running of hydraulic power oil channel.

The computer interface unit of the utility model, wherein plug wire port is electrically connected with the core inside data line, described The front end of protecting frame is movably installed with a dust-proof flip lid outside plug wire port, protects outside the size on the inside of the dust-proof flip lid and plug wire port Shield frame front end bore matches.

The computer interface unit of the utility model, wherein safty shield is made of edge framework and top blind flange, It is fixedly connected between the outer of cover board and edge framework, generally thickness 1-1.5 millimeters of cover board of high-carbon steel plate is constituted, cover board Surface be wavelike structure, be fixedly connected between the thermally conductive sheet and cover board.

The computer interface unit of the utility model, wherein spring leaf is strip, and the cross section of spring leaf is semicircle Arc design, and the equidistant opening for offering strip in the cambered surface position of spring leaf two sides, the arc of two adjacent spring leafs The facial cross-shaped setting in position.

The computer interface unit of the utility model, wherein the edge of jack is circumferentially equidistant opens up there are four slot, The matching ring set includes a fixed ring, and the inside of the fixed ring is corresponded to integrally formed with a cutting at the position of slot, this is inserted The inside of item is designed in arc-shaped, and matching ring set is integrally made of stainless steel, and the inside gluing of cutting is fixed with one layer of rubber skin Layer, slot extends to the half that the depth inside jack is entire jack depth, and the position that through slot opens up is in jack extension At 2/3rds of depth.

The computer interface unit of the utility model wherein being equipped with leak jacket cushion rubber between limit filler ring and inserting column, and limits Position filler ring is equipped with the saddle of an annular far from the side of jack, and there are gaps between the edge of saddle and the inner wall of No. three cavitys.

The computer interface unit of the utility model is wherein adapted between the outside of fixed chuck and the inner wall of through slot, The front end of the fixed chuck grips position as the clamping edge of a knife, and the clamping edge of a knife is laciniation, between sawtooth and sawtooth Gap at be filled with the rubber block of triangle, glued fixation is carried out by seccotine between the rubber block and fixed chuck, and The exposed part in rubber block two sides, which is extended, grips on the outside of position 0.5-1 millimeters, and the tip location of sawtooth is extended 0.5-1 millimeters of rubber block top.

The computer interface unit of the utility model, wherein No.1 cavity is connected with No. three cavitys being located on the right side of jack Logical, No. two cavitys are connected with No. three cavitys being located on the left of jack, and the running of hydraulic power oil channel is connected with No. three cavitys Position be located at second piston and limit filler ring between.

The computer interface unit of the utility model, wherein fixed chuck is flat structure and horizontal setting, institute The extending direction of the extending direction and jack of stating fixed chuck is mutually perpendicular to.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model is by being arranged jack on the fixed block in locking device, and cooperation adds in the inside of jack Dress adaptation ring set, enables the jack in locking device to be adapted to the bolt of different size, which is applicable in In now common databus grafting end on the market at present, greatly improves the practicability of the interface arrangement and be applicable in Property, convenient for promoting the use of on a large scale, in addition, by the structure design inside locking device, so that the interface arrangement is docking When transmission wire plug, while not influencing its anticreep effect, the fixation procedure of bolt is simplified, so that when the docking of transmission line It is short efficient.

2, safty shield is arranged by the top and bottom in interface body in the utility model, and in safty shield Inside setting thermally conductive sheet and spring leaf so that the good self-protection effect of the constructional device, can effectively avoid interface Device damages the core of its inside when being trampled or being squeezed by external force, and cooperates the interface inside safty shield Through-hole is opened up on ontology, the heat inside the interface arrangement is dispersed into inside safty shield by through-hole, and most Cooperate the heat superconducting sheet material of safty shield top center position setting to export to the external world by thermally conductive sheet eventually, reaches rapid cooling Effect can play a good protective effect to interface arrangement, not only increase the service life of interface arrangement, while go back logarithm Guarantee is provided according to the safety of transmission.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is safty shield schematic diagram of internal structure；

Fig. 3 is enlarged structure schematic diagram at A in Fig. 1；

Fig. 4 is that fixed block faces the schematic diagram of the section structure；

Fig. 5 is fixed chuck structural schematic diagram.

In figure: 1, interface body；2, data line；3, protecting frame outside plug wire port；4, plug wire port；5, dust-proof flip lid；6, Locking device；61, fixed block；62, coulisse；63, sliding block；64, jack；65, ring set is matched；66, fastening bolt；67, mandril； 68, the first spring；69, No.1 cavity；610, No. two cavitys；611, first piston；612, hydraulic oil；613, No. three cavitys； 614, filler ring is limited；615, inserting column；616, second piston；617, second spring；618, through slot；619, fixed chuck；6191, it presss from both sides Hold the edge of a knife；6192, rubber block；620, running of hydraulic power oil channel；7, safty shield；8, thermally conductive sheet；9, spring leaf；10, through-hole.

Specific embodiment

Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices Details will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply this with limitation practical new Type.That is, the details in these practices is non-essential in some embodiments of the utility model.In addition, for letter For the sake of changing schema, some known usual structures and component will be painted it in the drawings in simply illustrative mode.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and non-specifically The meaning of order or cis-position is censured, it is also non-to limit the utility model, it is retouched just for the sake of difference with same technique term The component stated or operation are not understood to indicate or imply its relative importance or implicitly indicate indicated technology The quantity of feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution Conjunction is not present, also not within the protection scope of the requires of the utility model.

A kind of computer interface unit of the utility model, the data connected including interface body 1,1 end of interface body Line 2,1 front end of interface body the fixed plug wire port in central location outside set on the inside of protecting frame 3 outside protecting frame 3 and plug wire port The plug wire port 4 set, the top and bottom of interface body 1 are fixedly connected to a safty shield 7, the safty shield 7 Inside is equidistant side by side to be fixed with thermally conductive sheet 8, is fixed with spring leaf 9 between the bottom and interface body 1 of the thermally conductive sheet 8, is located at It is uniformly provided with through-hole 10 in the interface body 1 of 7 inside of safty shield, the interface body 1 of 3 two sides of protecting frame outside plug wire port On be respectively and fixedly provided with locking device 6.

Locking device 6 includes fixed block 61, and side of the fixed block 61 far from protecting frame 3 outside plug wire port is integrally formed with one Coulisse 62, the inside of coulisse 62 slidably connect a sliding block 63, and the middle part of fixed block 61 offers a jack 64, jack 64 Inside be plugged with a matching ring set 65, the top and bottom of fixed block 61 is threaded with one for fixed matching ring set 65 Fastening bolt 66, the side of sliding block 63 is horizontally fixed with two mandrils 67, and the outer cover of mandril 67 is equipped with the first spring 68, Gu Determine the side inside block 61 and offer No.1 cavity 69 and No. two cavitys 610 respectively, two mandrils 67 each extend over corresponding No.1 cavity 69 and No. two 610 inside of cavity are simultaneously fixed with first piston 611, and two No. three skies are also provided with inside fixed block 61 Chamber 613, two No. three cavitys 613 are located at two side positions of jack 64, and No. three 613 inside of cavity are close to one end of jack 64 It is fixed with limit filler ring 614, the middle part of limit filler ring 614, which is worn, is connected to inserting column 615, opens up between No. three cavitys 613 and jack 64 There is through slot 618, one end of inserting column 615 extends to the inside of through slot 618 and is fixedly connected with a fixed chuck 619, inserting column 615 The other end is fixed with second piston 616, and second is equipped between side and No. three cavitys 613 of the second piston 616 far from jack 64 The tail end of spring 617, No.1 cavity 69 and No. two cavitys 610 passes through running of hydraulic power oil channel 620 and corresponding No. three cavitys 613 are connected, and are perfused with hydraulic oil 612 in No.1 cavity 69 and No. two cavitys 610 and running of hydraulic power oil channel 620.

Plug wire port 4 is electrically connected with the core inside data line 2, and the front end of protecting frame 3 is movably installed with outside plug wire port The size of one dust-proof flip lid 5, dust-proof 5 inside of flip lid matches with 3 front end bore of protecting frame outside plug wire port, which can So that the constructional device when idle, can reach dust-proof effect, dust is avoided to enter Wiring port 4.

Safty shield 7 is made of edge framework and top blind flange, fixed between the outer and edge framework of cover board to connect It connects, generally thickness 1-1.5 millimeters of cover board of high-carbon steel plate is constituted, and the surface of cover board is wavelike structure, thermally conductive sheet 8 and lid Be fixedly connected between plate, using carbon steel as safty shield 7 on the one hand, thermal conductivity that can be excellent by high-carbon steel can Quickly by the external world of the heat derives on thermally conductive sheet 8, the heat dissipation effect of interface arrangement can be effectively improved, it is on the other hand, high Carbon steel hardness is high and has preferable wearability, can effectively extend the service life of safty shield 7, and use wave Shape design, can reach effective antiskid effect.

Spring leaf 9 is strip, and the cross section of spring leaf 9 is designed for semi arch, and the cambered surface position of 9 two sides of spring leaf The equidistant opening for offering strip, the cross-shaped setting in cambered surface position of two adjacent spring leafs 9, the structure are set Meter, enables to the installation of spring leaf 9 more stable, spring leaf 9 is avoided to be displaced.

The edge of jack 64 is circumferentially equidistant to be opened up there are four slot, and matching ring set 65 includes a fixed ring, this is fixed The inside of ring is corresponded to integrally formed with a cutting at the position of slot, and the inside of the cutting is designed in arc-shaped, matches ring set 65 Whole to be made of stainless steel, the inside gluing of cutting is fixed with one layer of elastomeric skin layer, and slot extends to the depth inside jack 64 For the half of entire 64 depth of jack, and the position that opens up of through slot 618 is in jack 64 and extends at 2/3rds of depth, the knot Structure design is more stable after enabling to the bolt on connection plug to be inserted into jack 64, and to limit ring set 65 in insertion jack The use of fixed chuck 619 is not influenced when in 64.

No.1 cavity 69 is connected with No. three cavitys 613 for being located at the right side of jack 64, No. two cavitys 610 be located at jack 64 No. three cavitys 613 in left side are connected, and it is living that the position that running of hydraulic power oil channel 620 is connected with No. three cavitys 613 is located at second Between plug 616 and limit filler ring 614, limits and be equipped with leak jacket cushion rubber between filler ring 614 and inserting column 615, and it is remote to limit filler ring 614 Side from jack 64 is equipped with the saddle of an annular, and there are gaps between the edge of saddle and the inner wall of No. three cavitys 613, this sets Meter effectively can apply pressure to second piston 616 after enabling to hydraulic oil 612 to be pressed into No. three cavitys 613, so that Second piston 616 drives inserting column 615 mobile.

Fixed chuck 619 is flat structure and horizontal setting, extending direction and the jack 64 of fixed chuck 619 Extending direction is mutually perpendicular to, and is adapted between the outside and the inner wall of through slot 618 of fixed chuck 619, the front end of fixed chuck 619 Position is gripped as the clamping edge of a knife 6191, the clamping edge of a knife 6191 is laciniation, is filled out at the gap between sawtooth and sawtooth Rubber block 6192 filled with triangle carries out gluing by seccotine between the rubber block 6192 and fixed chuck 619 and fixes, and The exposed part in 6192 two sides of rubber block, which is extended, grips on the outside of position 0.5-1 millimeters, and the tip location of sawtooth is prolonged Stretch out top 0.5-1 millimeters of rubber block 6192, structure design, so that fixed chuck 619 is in the screw thread for being clamped to bolt surface When in slot, clamp the edge of a knife 6191 on sawtooth can be contacted with the slot bottom of thread groove, and rubber block 6192 then can effectively with The cell wall of thread groove two sides contacts, and increases the frictional force between fixed chuck 619 and bolt, reaches the locking effect of anticreep with this Fruit.

When the utility model is used, user selects adaptable matching ring according to the bolt thickness on connection plug 65 are covered, and matching ring set 65 is plugged and fixed on the inside of jack 64 by slot cooperation fastening bolt 66, then staff one The connection plug being inserted into only is held, another hand pinches the sliding block 63 on two locking devices 6 simultaneously, so that two mandrils 67 to moving inside No.1 cavity 69 and No. two cavitys 610, and forces the hydraulic oil inside No.1 cavity 69 and No. two cavitys 610 612 enter inside No. three cavitys 613, hydraulic oil 612 when entering in No. three cavitys 613, due to running of hydraulic power oil channel 620 with Communicating position between No. three cavitys 613 is located between limit filler ring 614 and second piston 616, so that hydraulic oil 612 is entering Second piston 616 can be pushed behind No. three 613 inside of cavity to move outward, so that inserting column 615 drives fixed chuck 619 to retract In through slot 618, user is by the plug-in unit of connection plug insertion plug wire port 4 at this time, and by the spiral shell of connection plug two sides Bolt promotes in jack 64, until bolt all submerges in jack 64, unclamps the sliding block 63 on locking device 6, fixed chuck at this time 619 reset under the action of second spring 617, and are firmly stuck in the thread groove of bolt surface, it should be further noted that: Elastomeric skin layer is set in the cutting of matching ring set 65, on the one hand can increase the frictional force between locking device 6 and bolt, separately On the one hand protection effectively can be implemented to the screw thread on bolt.

The foregoing is merely the embodiments of the present invention, are not intended to limit the utility model.For ability For field technique personnel, various modifications and changes may be made to the present invention.It is all the utility model spirit and principle in Any modification, equivalent replacement, improvement and so on should all include within the scope of the claims of the utility model.

Claims (9)

1. a kind of computer interface unit, data line (2), the interface connected including interface body (1), interface body (1) end Outer protecting frame (3) inside of the outer protecting frame (3) in the fixed plug wire port in the central location of ontology (1) front end and plug wire port is arranged Plug wire port (4), it is characterised in that: the top and bottom of the interface body (1) is fixedly connected to a safty shield (7), the inside of the safty shield (7) is equidistant side by side is fixed with thermally conductive sheet (8), the bottom of the thermally conductive sheet (8) and interface sheet It is fixed with spring leaf (9) between body (1), is located in the interface body (1) on the inside of safty shield (7) and is uniformly provided with through-hole (10), locking device (6) are respectively and fixedly provided in the interface body (1) of protecting frame (3) two sides outside the plug wire port；

The locking device (6) includes fixed block (61), side one of the fixed block (61) far from protecting frame (3) outside plug wire port It forms a coulisse (62), is slidably connected a sliding block (63) on the inside of the coulisse (62), the fixed block (61) Middle part offers a jack (64), and the inside of jack (64) is plugged with a matching ring set (65), the top of the fixed block (61) Be threaded with bottom one for fixation match the fastening bolts (66) of ring set (65), the side level of the sliding block (63) Two mandrils (67) are fixed with, the outer cover of mandril (67) is equipped with the first spring (68), the internal side of the fixed block (61) No.1 cavity (69) and No. two cavitys (610) are offered respectively, and two mandrils (67) each extend over corresponding No.1 cavity (69) it and inside No. two cavitys (610) and is fixed with first piston (611), is also provided with two three inside the fixed block (61) Number cavity (613), two No. three cavitys (613) are located at two side positions of jack (64), and No. three cavitys (613) are internal close One end of jack (64) is fixed with limit filler ring (614), wears and is connected to inserting column (615) in the middle part of limit filler ring (614), and described No. three It is offered between cavity (613) and jack (64) through slot (618), one end of the inserting column (615) extends to the interior of through slot (618) Side is simultaneously fixedly connected with a fixed chuck (619), and the other end of inserting column (615) is fixed with second piston (616), and described second is living It fills in and is equipped with second spring (617) between the side and No. three cavitys (613) of (616) separate jack (64), the No.1 cavity (69) pass through running of hydraulic power oil channel (620) with the tail end of No. two cavitys (610) and be connected with corresponding No. three cavitys (613) It is logical, hydraulic oil (612) are perfused in the No.1 cavity (69) and No. two cavitys (610) and running of hydraulic power oil channel (620).

2. a kind of computer interface unit according to claim 1, it is characterised in that: the plug wire port (4) and data The internal core of line (2) is electrically connected, and the front end of protecting frame (3) is movably installed with a dust-proof flip lid (5) outside the plug wire port, should Size on the inside of dust-proof flip lid (5) matches with protecting frame (3) front end bore outside plug wire port.

3. a kind of computer interface unit according to claim 1, it is characterised in that: the safty shield (7) is by side Edge framework and top blind flange are constituted, and are fixedly connected between the outer and edge framework of cover board, cover board generally thickness 1-1.5 milli The high-carbon steel plate of rice is constituted, and the surface of cover board is wavelike structure, is fixedly connected between the thermally conductive sheet (8) and cover board.

4. a kind of computer interface unit according to claim 1, it is characterised in that: the spring leaf (9) is strip, The cross section of its spring leaf (9) is designed for semi arch, and the cambered surface position of spring leaf (9) two sides equidistant offers strip Opening, the cross-shaped setting in cambered surface position of two adjacent spring leafs (9), the top of the spring leaf (9) corresponds to thermally conductive Integrally formed with the card slot of a recess at the position of piece (8), thermally conductive sheet (8) is stuck in card slot.

5. a kind of computer interface unit according to claim 1, it is characterised in that: the edge of the jack (64) is around circle Week is equidistant to be opened up there are four slot, and the matching ring set (65) includes a fixed ring, and the inside of the fixed ring corresponds to slot Integrally formed with a cutting at position, the inside of the cutting is designed in arc-shaped, and matching ring set (65) is integrally made of stainless steel, The inside gluing of cutting is fixed with one layer of elastomeric skin layer, and it is that entire jack (64) are deep that slot, which extends to the internal depth of jack (64), The half of degree, and the position that through slot (618) opens up is at 2/3rds of jack (64) extension depth.

6. a kind of computer interface unit according to claim 1, it is characterised in that: the limit filler ring (614) and insert It is equipped with leak jacket cushion rubber between column (615), and limits the saddle that filler ring (614) are equipped with an annular far from the side of jack (64), There are gaps between the edge of saddle and the inner wall of No. three cavitys (613).

7. a kind of computer interface unit according to claim 1, it is characterised in that: outside the fixed chuck (619) It is adapted between side and the inner wall of through slot (618), the front end of the fixed chuck (619) grips position as the clamping edge of a knife (6191), the clamping edge of a knife (6191) is laciniation, and the rubber block of triangle is filled at the gap between sawtooth and sawtooth (6192), it carries out gluing by seccotine between the rubber block (6192) and fixed chuck (619) to fix, and rubber block (6192) The exposed part in two sides, which is extended, grips on the outside of position 0.5-1 millimeters, and the tip location of sawtooth extends rubber block (6192) top 0.5-1 millimeters.

8. a kind of computer interface unit according to claim 1, it is characterised in that: the No.1 cavity (69) be located at No. three cavitys (613) on the right side of jack (64) are connected, No. two cavitys (610) and No. three cavitys being located on the left of jack (64) (613) it is connected, the position that the running of hydraulic power oil channel (620) is connected with No. three cavitys (613) is located at second piston (616) between limit filler ring (614).

9. a kind of computer interface unit according to claim 1, it is characterised in that: the fixed chuck (619) is flat Flat-shaped structure and horizontal setting, the extending direction of the fixed chuck (619) and the extending direction of jack (64) mutually hang down Directly.