CN112394779A

CN112394779A - Loongson computer mainboard based on VPX standard

Info

Publication number: CN112394779A
Application number: CN202011291820.2A
Authority: CN
Inventors: 金杨杨
Original assignee: Shenzhen Daixun Communication Equipment Co ltd
Current assignee: Shenzhen Daixun Communication Equipment Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-02-23
Anticipated expiration: 2040-11-18
Also published as: CN112394779B

Abstract

The application relates to a Loongson computer mainboard based on VPX standard, and belongs to the technical field of computer accessories. The dragon core computer mainboard based on the VPX standard comprises a board body, wherein a dragon core processor, a display chip and a display connector are arranged on the board body, and the display connector comprises a conductive assembly and a fixing assembly; the conductive assembly comprises an insulating shell and a plug connector arranged in the insulating shell; insulating housing includes the fixed part, and the fixed part is close to one side of plate body and has been seted up and put the line recess, puts and is provided with the fixed block more than two in the line recess, and the fixed recess has been seted up on being on a parallel with the plate body of fixed block on the surface, and every fixed block is fixed in fixed recess with the cooperation of adjacent fixed block or putting the line recess wall. The display connector of the VPX standard-based Loongson computer mainboard can play a better protection role on the plug-in connector.

Description

Loongson computer mainboard based on VPX standard

Technical Field

The application relates to the technical field of computer accessories, in particular to a Loongson computer mainboard based on VPX standard.

Background

The main board is a core accessory of a server, a personal computer, and the like, and is provided with an interface (also called a connector) for data transmission with the outside, in addition to a Central Processing Unit (CPU) and a chipset.

The Loongson mainboard is a mainboard adopting a Loongson processor as a central processing unit, and the composition and the layout of the Loongson mainboard are greatly different from those of other mainboards. However, in the actual use process, in order to better connect with the external device, more general data interfaces are also adopted on the Loongson motherboard, or a connector with better compatibility is arranged on the motherboard.

The utility model discloses a chinese utility model patent with grant publication number CN203191885U, which discloses a server motherboard based on a dual-channel loongson 3B CPU, comprising a motherboard management module, two loongson 3B CPUs, one being a master CPU and the other being a slave CPU, the master CPU being connected with the slave CPU through an HT bus, the master CPU being connected with an AMDRS780E north bridge chip through another set of HT bus; the AMDRS780E north bridge chip is connected with three groups of VGA interfaces through a frequency division circuit. The VGA interface can provide a good video transmission path for a mainboard. The VGA interface on the motherboard is as the display interface unit, generally include the conductive assembly and is used for fixing the conductive assembly on the fixed assembly on the body of the motherboard, the conductive assembly includes the conductive plug connector used for data transmission.

For the related art, the inventor thinks that most of the plug connectors in the display connector are not protected, or only one shell is used for enclosing all the plug connectors in a large space, because the number of the plug connectors in the display connector is large, the distance between two adjacent plug connectors is small, and if the plug connectors are affected by external force in the using process, the plug connectors are easy to loosen so that the adjacent plug connectors are interfered with each other.

Disclosure of Invention

In order to enhance the protection effect of the display connector on the main board to the plug-in connector, the application provides a Loongson computer main board based on the VPX standard.

The application provides a godson computer mainboard based on VPX standard adopts following technical scheme:

a godson computer mainboard based on VPX standard comprises a board body, wherein a godson processor, a display chip and a display connector are arranged on the board body, and the display connector comprises a conductive assembly and a fixing assembly; the conductive assembly comprises an insulating shell and a plug connector arranged in the insulating shell, and the plug connector comprises a banded plug connector and a tubular plug connector connected to one end of the banded plug connector; the insulating shell comprises a fixing part and an inserting part arranged at one end of the fixing part, and a built-in hole which extends along the direction parallel to the plate body and is used for inserting the tubular inserting connector is arranged in the inserting part; a wire placing groove is formed in one side, close to the plate body, of the fixing part, and a through hole corresponding to the position of the built-in hole for the tubular plug connector to penetrate through is formed in the groove wall, close to the plugging part, of the wire placing groove; the wire placing groove is internally provided with more than two fixing blocks, the surface of each fixing block, which is parallel to the plate body, is provided with a fixing groove, and each fixing block is matched with the adjacent fixing block or the bottom wall of the wire placing groove to fix the corresponding strip-shaped plug connector in the fixing groove.

Through adopting above-mentioned technical scheme, set up in the display connector of mainboard and put the line recess to set up a plurality of fixed blocks in putting the line recess, be provided with fixed recess on the fixed block. The tubular plug connector of the plug connector is inserted into the built-in hole of the plug part for protection, and one part of the strip-shaped plug connector is fixed by utilizing the matching between the fixed block and the fixed block or the matching of the fixed block and the groove wall of the wire placing groove, so that the plug connector is protected better. To being in the banded plug connector part of putting in the line recess, fixed the back by the fixed block, even receive the exogenic action at the plug connector, also difficult emergence is not hard up, also difficult receiving the interference between two adjacent plug connectors moreover.

Preferably, a fixing protrusion is arranged on the bottom wall of the fixing block or the wire placing groove adjacent to the fixing block provided with the fixing groove, the height of the fixing protrusion is smaller than the depth of the corresponding fixing groove, and the fixing protrusion is in splicing fit with the corresponding fixing groove so as to press the corresponding strip-shaped connector into the fixing groove.

Through adopting above-mentioned technical scheme, when setting up banded plug connector in fixed recess, fixed recess and fixed protruding grafting cooperation can press banded plug connector to establish in fixed recess, make banded plug connector more firm, also make simultaneously between the adjacent fixed block or fixed block and put between the cell wall of line recess spacing through the grafting cooperation, have reduced the displacement of fixed block on perpendicular to fixed recess length direction.

Preferably, the fixed block includes along keeping away from last fixed block, well fixed block, the lower fixed block that sets gradually of the direction of putting the line recess tank bottom, goes up two of fixed block and all is provided with fixed recess on being on a parallel with the plate body, puts the corresponding of the groove diapire of line recess and the well fixed block adjacent with last fixed block and all is provided with fixed arch on the surface.

Through adopting above-mentioned technical scheme, going up being close to of fixed block and putting line recess slot diapire and set up fixed recess on the surface to with put the fixed protruding cooperation on the line recess slot bottom wall, further improved the steadiness of fixed block, set up fixed protruding intensity that can also improve and put line recess slot diapire in addition on putting line recess slot diapire, and then improve the protective capacities that the fixed part kept away from the one end of plate body.

Preferably, the side wall of the groove along the two sides of the strip-shaped connector clip in the length direction of the wire placing groove is provided with a limiting groove, the two ends corresponding to the fixed blocks are provided with limiting bulges, and the limiting groove and the limiting bulges are in splicing fit to limit the displacement of the fixed blocks in the length direction of the strip-shaped connector clip.

Through adopting above-mentioned technical scheme, set up spacing recess on putting the cell wall of line recess, set up spacing arch on the fixed block simultaneously, can restrict the displacement of fixed block on banding plug connector length direction, reduced the removal of fixed block and led to the fact the influence to the stability of banding plug connector.

Preferably, the fixing assembly comprises a plate fixing piece, the plate fixing piece comprises a square locking plate, a locking arm extending towards the direction close to the plate is arranged on the locking plate, and a locking bulge in clamping fit with the plate is arranged at one end, far away from the locking plate, of the locking arm; an embedded groove for embedding the locking plate and the locking arm is formed in the groove wall of the limiting groove, which is perpendicular to the length direction of the banded plug connector, and the shape of the embedded groove is consistent with that of the locking plate; the parts of the end surface of the locking plate, which is provided with the locking arm, on the two sides of the locking arm form stop surfaces, and are in stop fit with the corresponding groove walls of the embedded grooves so as to limit the displacement of the plate fixing piece in the direction close to the plate body.

Through adopting above-mentioned technical scheme, set up the plate body mounting and can fix the display connector on the plate body, it is protruding through setting up locking arm and locking on the lock plate, for traditional nut connected mode that passes through, more convenient high efficiency. The embedding groove is formed in the groove wall of the wire placing groove, the plate body fixing piece is embedded in the embedding groove, the displacement of the plate body fixing piece in the direction close to the plate body can be limited, and the fixing firmness of the display connector on the plate body is improved.

Preferably, a thread cylinder is arranged on the side face, facing the insertion part, of the locking plate, a thread cylinder through hole is formed in the bottom of the embedding groove, one end of the thread cylinder is fixedly arranged on the corresponding side face of the locking plate, and the other end of the thread cylinder penetrates through the thread cylinder through hole.

Through adopting above-mentioned technical scheme, a screw thread section of thick bamboo passes a screw thread section of thick bamboo and perforates, can provide convenience for display connector and other articulate, and a screw thread section of thick bamboo is worn to establish in a screw thread section of thick bamboo perforation moreover, further restricts the displacement of panel mounting in being close to the plate body side, and then has strengthened the fixed effect of display connector on the plate body.

Preferably, the groove walls of the wire placing groove along the two sides of the length direction of the strip-shaped plug connector are provided with lower limiting bulges, and the lower limiting bulges limit the displacement of the lower fixed block in the direction away from the bottom of the wire placing groove.

Through adopting above-mentioned technical scheme, the fixed block setting relies on the display connector when fixing on the plate body that the plate body provides the effect of blockking to the fixed block in putting the line recess, and the fixed effect of fixed block is more weak, utilizes the lower spacing arch to carry on spacingly to the fixed block, and in addition the effect of plate body has improved the fixed effect of fixed block greatly.

Preferably, a fixing strip is clamped between the lower fixing block and the lower limiting protrusion, and a fixing strip slot for inserting the corresponding end of the fixing strip is formed in the groove wall of the wire placing groove close to the inserting part.

Through adopting above-mentioned technical scheme, because the fixed block is when installing to putting the line recess, can be through making the protruding or fixed block of lower spacing take place the mode of deformation in advance with the fixed block extrusion income put the line recess, spacing bellied size can have to be restricted, sets up the fixed strip down between fixed block and lower spacing arch to insert the fixed strip in the fixed strip slot, in order to strengthen the limiting displacement to fixed block down.

Preferably, the banded plug connector comprises a horizontal section, an arc-shaped section and a vertical section which are sequentially connected, wherein the horizontal section is connected with the tubular plug connector, one end of the vertical section is connected with the arc-shaped section, and the other end of the vertical section extends towards the plate body; the conductive assembly further comprises a vertical section buckle, the vertical section buckle comprises a buckle base plate, a vertical section through hole for the vertical section to pass through is formed in the buckle base plate, and elastic clamping arms matched with the fixing strips in a clamping mode are arranged at two ends of the buckle base plate.

Through adopting above-mentioned technical scheme, pass the vertical section perforation of buckle base plate with the vertical section of banded plug connector, can fix a position the vertical section of plug connector better, the later stage of being convenient for is with vertical section welding on the plate body. The buckle base plate is matched with the fixing strip in a clamping mode, and the fixing effect of the vertical section buckle is improved.

Preferably, be provided with the buckle perforation on the fixed strip, the one end that the buckle base plate was kept away from to the elasticity joint arm is provided with the joint arch, and the elasticity joint arm is provided with the bellied one end of joint and passes the buckle perforation and with the fixed strip joint cooperation.

Through adopting above-mentioned technical scheme, set up the buckle perforation on the fixed strip and with vertical section buckle joint cooperation, can restrict the fixed strip along the ascending displacement of banded plug connector horizontal segment direction.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the display connector of the VPX standard-based Loongson computer mainboard is characterized in that a plurality of fixed blocks are arranged in the wire arranging grooves, and a part of the strip-shaped plug connector is fixedly protected through the fixed grooves in the fixed blocks, so that the better protection effect is improved for the plug connector. When the mainboard is in use, the plug connector is not easy to loosen under the action of external force, and is not easy to interfere with other plug connectors.

2. This application further sets up the plate body mounting in the fixed part of display connector, can be fast with display connector, firmly fix on the plate body, set up the groove of establishing in order to inlay the plate body mounting and establish the groove in order to inlay the groove on the cell wall of putting the line recess in addition to it is fixed to extrude the plate body mounting through spacing arch on the fixed block, can further improve the connection reliability of plate body mounting.

Drawings

Fig. 1 is a schematic structural diagram of a Loongson computer motherboard based on the VPX standard according to embodiment 1 of the present application;

fig. 2 is a schematic structural diagram of a display connector of a VPX standard-based Loongson computer motherboard according to embodiment 1 of the present application;

fig. 3 is a schematic structural view of a plug-in unit of a display connector according to embodiment 1 of the present application;

fig. 4 is an exploded structure schematic view of a display connector of embodiment 1 of the present application;

fig. 5 is a schematic structural view of an upper fixing block of embodiment 1 of the present application;

fig. 6 is a schematic structural view of a middle fixing block in embodiment 1 of the present application;

fig. 7 is a schematic structural view of a fixing portion according to embodiment 1 of the present application;

fig. 8 is a schematic structural view of a plate body fixing member according to embodiment 1 of the present application;

fig. 9 is a sectional view of the display connector of embodiment 1 of the present application (showing the caulking groove);

fig. 10 is a schematic structural view of a vertical segment clasp of embodiment 1 of the present application;

fig. 11 is a sectional view of a display connector of embodiment 2 of the present application;

description of reference numerals: 1. a plate body; 2. a Loongson processor; 3. a display connector; 31. a guard assembly; 32. a conductive component; 321. a fixed part; 3211. perforating; 322. a plug-in part; 3221. a built-in hole; 3222. a left limit groove; 3223. a lower limiting bulge; 3224. embedding a groove; 323. an upper fixed block; 3231. a first upper fixing groove; 3232. a second upper fixing groove; 3233. the upper fixing block is provided with a limiting bulge; 324. a middle fixed block; 3241. a middle fixing bulge; 3242. a middle fixing groove; 3243. the middle fixing block is provided with a limiting bulge; 325. a lower fixed block; 326. the vertical section is buckled; 3261. fastening the substrate; 3262. an elastic clamping arm; 33. a fixing assembly; 331. a plate body fixing piece; 3311. a lock plate; 3312. a locking arm; 3313. a locking protrusion; 3314. a threaded barrel; 332. a fixing strip; 34. a plug-in unit; 341. a tubular plug-in connector; 342. a band-shaped connector.

Detailed Description

The present application is described in further detail below with reference to figures 1-11.

In the following embodiments, terms such as "upper", "lower", "front", "rear", "left", "right", and the like in the description of the direction and the relative positional relationship of the components should not be construed as limiting the present application.

The embodiment of the application discloses a Loongson computer mainboard based on VPX standard.

Example 1

Referring to fig. 1, the VPX standard-based Loongson computer motherboard of the present embodiment includes a board body 1, where the board body 1 is a printed circuit board, and the whole board surface is rectangular. The board body 1 is provided with a Loongson processor 2, specifically a Loongson 3A processor. The board body 1 is also provided with a memory chip and a Loongson bridge chip group, and is integrally provided with an internal display core.

Referring to fig. 2, a data transmission connector is disposed on one side of the board body 1 in the length direction, the data transmission connector includes a display connector 3, and the display connector 3 is also called a display interface or a display terminal. The display connector 3 in this embodiment is a VGA connector. The VGA connector comprises a protective component 31, a conductive component 32 and a fixing component 33. The shield assembly 31 includes a panel and a sheath disposed over the panel.

Referring to fig. 3, the conductive assembly 32 includes an insulative housing having a plug connector 34 disposed therein. The plug connector 34 includes a tubular plug connector 341 and a band-shaped plug connector 342, the tubular plug connector 341 has a cylindrical structure, the band-shaped plug connector 342 includes a horizontal segment, a bending segment and a vertical segment which are connected in sequence, and one end of the horizontal segment, which is far away from the bending segment, is connected with one end of the tubular plug connector 341.

Referring to fig. 4, the insulating housing includes a fixing portion 321, and an insertion portion 322 is disposed on the fixing portion 321. The fixed part 321 body is the cuboid structure on the whole, and the one end of fixed part 321 towards the plate body 1 outside is the front end, and the one end towards 1 central authorities of plate body is the rear end, and the one end that fixed part 321 is close to 1 face of plate body is the lower extreme, and the one end of keeping away from 1 body face of plate body is the upper end. The insertion portion 322 is fixed to an end surface of the front end of the fixing portion 321.

Referring to fig. 4, the external shape of the socket 322 is a columnar structure, and the longitudinal direction extends in the front-rear direction. The rear end of the insertion part 322 is fixedly disposed on the front end face of the fixing part 321, and the width of both sides of the insertion part 322 in the length direction gradually decreases from top to bottom, so that the outer circumference of the front end face of the insertion part 322 is substantially inverted trapezoid. The insertion portion 322 is provided therein with an inner hole 3221, and the inner hole 3221 extends in a front-rear direction for inserting the tubular plug 341 in the conductive member 32. The number of the built-in holes 3221 is generally 15, and three rows of 5 built-in holes 3221 are arranged in the up-down direction. The uppermost row corresponds to the positions of the built-in holes 3221 in the lowermost row in the vertical direction one by one, each of the built-in holes 3221 in the middle row is staggered from the positions of the built-in holes 3221 in the upper and lower rows, and four of the built-in holes 3221 correspond to the positions between two adjacent built-in holes 3221 in the uppermost row in sequence. Correspondingly, the number of the plug-in units 34 is also 15, and the plug-in units are also arranged in three rows, and the tubular portion of each plug-in unit 34 is inserted into the corresponding built-in hole 3221.

Referring to fig. 4, a wire placing groove is formed on a lower end surface of the fixing portion 321 close to the plate body 1. Specifically, the fixing portion 321 includes an upper end plate, a front end plate, a rear end plate, a left side plate and a right side plate, the front end plate and the rear end plate are respectively fixed at the front end and the rear end of the upper end plate, and the left side plate and the right side plate are respectively fixed at two sides of the upper end plate. Specifically, an upper end plate, a front end plate, a rear end plate, a left side plate and a right side plate are integrally arranged, and a line placing groove is defined by the lower side surface of the upper end plate, the rear side surface of the front end plate, the right side surface of the left side plate, the left side surface of the right side plate and the front side surface of the rear end plate. The notch of the wire placing groove faces downwards. The upper end plate is provided with a through hole 3211, the length direction of the through hole 3211 extends in the front-rear direction, and the positions of the through holes correspond to the positions of the built-in holes 3221 on the plugging portion 322 one by one. The inner diameter of the through hole 3211 is equal to the outer diameter of the tubular plug 341, and the sum of the length of the through hole 3211 and the length of the built-in hole 3221 is substantially equal to or slightly less than the length of the tubular plug 341.

Referring to fig. 4, an upper fixing block 323, a middle fixing block 324 and a lower fixing block 325 are embedded in the wire placing groove, and the upper fixing block 323, the middle fixing block 324 and the lower fixing block 325 are all plate-shaped as a whole.

Referring to fig. 5, the upper fixing block 323 is provided at an upper surface thereof with a first upper fixing groove 3231, and the first upper fixing groove 3231 extends in a longitudinal direction in a front-rear direction. The number of the first upper fixing grooves 3231 is 5, the first upper fixing grooves 3231 are sequentially and uniformly arranged on the upper surface of the upper fixing block 323 at intervals in the left-right direction, and the 5 first upper fixing grooves 3231 are arranged in parallel. The positions of the first upper fixing grooves 3231 correspond to the positions of the uppermost row of the through holes 3211 on the front end plate one to one. The lower surface of the upper end plate is provided with 5 upper fixing bulges which are distributed in parallel, the length of each upper fixing bulge extends along the front-back direction, and the positions of the upper fixing bulges are in one-to-one correspondence with the positions of the first upper fixing grooves 3231. The width of the upper fixing projection is equal to the groove width of the first upper fixing groove 3231, and the sum of the height of the upper fixing projection in the up-down direction and the thickness of the corresponding horizontal section of the band connector 342 is equal to the groove depth of the first upper fixing groove 3231 in that direction. During assembly, the corresponding horizontal section of the uppermost row of strip-shaped connectors 342 is arranged in the first upper fixing groove 3231 of the upper fixing block 323, the upper fixing protrusion of the upper end plate is inserted into the first upper fixing groove 3231 and presses the horizontal section of the uppermost row of strip-shaped connectors 342 in the first upper fixing groove 3231, so that the strip-shaped connectors 342 are more stable.

Referring to fig. 5, a second upper fixing groove 3232 is provided on a lower surface of the upper fixing block 323, and a length direction of the second upper fixing groove 3232 extends in a front-rear direction. The number of the second upper fixing grooves 3232 is also 5, and the second upper fixing grooves are sequentially, uniformly and parallelly arranged on the lower surface of the upper fixing block 323 at intervals along the left-right direction. The positions of the second upper fixing grooves 3232 correspond to the positions of the middle row of through holes 3211 on the front end plate one by one. Referring to fig. 6, the middle fixing block 324 is provided on an upper surface thereof with middle fixing protrusions 3241, the middle fixing protrusions 3241 extend in a front-rear direction, and are 5 in number and are sequentially and uniformly spaced in parallel in a left-right direction. The width of the middle fixing protrusion 3241 is equal to the groove width of the second upper fixing groove 3232, and the sum of the height of the middle fixing protrusion 3241 in the up-down direction and the thickness of the corresponding horizontal section of the strip connector 342 is equal to the groove depth of the second upper fixing groove 3232. When assembled, the horizontal section of the ribbon connector 342 in the corresponding middle row is disposed in the second upper fixing groove 3232 of the upper fixing block 323, and the middle fixing protrusion 3241 is inserted into the second upper fixing groove 3232 and presses the horizontal section of the ribbon connector 34234 into the second upper fixing groove 3232.

Referring to fig. 6, the middle fixing block 324 is provided at a lower surface thereof with middle fixing grooves 3242, the number of the middle fixing grooves 3242 is 5, the length thereof extends in the front-rear direction, and the middle fixing grooves 3242 are sequentially and uniformly spaced and distributed in parallel in the left-right direction. The middle fixing grooves 3242 correspond to the positions of the through holes 3211 in the lowermost row of the front end plate one by one. The upper surface of the lower fixing block 325 is provided with 5 lower fixing protrusions, the length direction of the lower fixing protrusions extends along the front-back direction, and the lower fixing protrusions are sequentially and uniformly distributed in parallel at intervals along the left-right direction. The width of the lower fixing projection is equal to the groove width of the middle fixing groove 3242, and the sum of the height of the lower fixing projection in the up-down direction and the thickness of the corresponding horizontal section of the strip connector 342 is equal to the groove depth of the middle fixing groove 3242. The middle fixing groove 3242 is engaged with the lower fixing protrusion to press the horizontal section of the corresponding lowermost row of the band-shaped socket connectors 342 into the middle fixing groove 3242.

Referring to fig. 7, a left limiting groove 3222 is provided on an inner side surface (right side surface) of one end of the left side plate close to the front end plate, wherein the groove opening is towards the right, the groove length extends up and down, and a groove wall of the left limiting groove 3222 close to the front end plate is flush with the rear surface of the front end plate. A right limiting groove with a notch extending leftwards and upwards along the length of the groove is formed in the inner side face (left side face) of one end, close to the front end plate, of the right side plate, and the groove wall, close to the front end plate, of the right limiting groove is flush with the rear surface of the front end plate. The left limiting groove and the right limiting groove are square grooves, specifically, the front groove wall and the rear groove wall extend in the left-right direction, and the groove bottom wall extends in the front-back direction. The upper fixing block 323, the middle fixing block 324 and the lower fixing block 325 are provided with limiting protrusions at one ends close to the front end plate, specifically, referring to fig. 5, the two sides of the front end of the upper fixing block 323 are provided with upper fixing block limiting protrusions 3233, the upper fixing block limiting protrusions 3233 at the two sides are square protrusions and extend leftwards and rightwards respectively, the width of the square protrusions in the front-back direction is equal to the width of the left and right limiting grooves in the front-back direction, and the upper fixing block limiting protrusions 3233 are matched with the corresponding left and right limiting grooves to limit the displacement of the upper fixing block 323 in the front-back direction.

Similarly, referring to fig. 6, the middle fixing block 324 is provided with a middle fixing block limiting protrusion 3243 having the same structure, and the lower fixing block 325 is provided with a lower fixing block limiting protrusion having the same structure.

Referring to fig. 7, a lower limiting protrusion 3223 is fixedly disposed on the inner side (right side) of the lower end of the left side plate, the lower limiting protrusion 3223 is a long strip-shaped structure with a rectangular cross section, the length of the lower limiting protrusion extends in the front-back direction, the left side surface is fixed on the right side surface of the left side plate, and the end surface of the front end of the lower limiting protrusion 3223 is flush with the rear groove wall of the left limiting groove 3222. Similarly, the lower end of the right side plate is provided with a lower limit protrusion 3223 with a similar structure. The lower limit protrusions 3223 on the left and right sides are matched to limit the lower fixing block 325 in the vertical direction, so that the lower fixing block 325, the middle fixing block 324 and the upper fixing block 323 are prevented from being separated from the fixing portion 321. The lower limit protrusion 3223 has a small height in the left-right direction, and the upper fixing block 323, the middle fixing block 324 and the lower fixing block 325 are made of rubber or hard plastic, so that the upper fixing block 325, the middle fixing block 325 and the lower fixing block 325 can be conveniently pressed into the wire placing groove of the fixing portion 321.

The distance between the lower surface of the upper end plate and the upper surface of the lower limit protrusion 3223 is equal to the sum of the thicknesses of the upper, middle and lower fixing blocks, so that the upper, middle and lower fixing blocks can be firmly fixed in the wire holding groove.

Referring to fig. 8, the fixing member 33 includes two board fixing pieces 331 disposed on the fixing portion 321, and the board fixing pieces 331 include locking plates 3311, and the locking plates 3311 extend in a direction parallel to the front end plate. The fixed locking arm 3312 that is provided with of lower extreme of lock plate 3311, locking arm 3312 include two elastic arm, the elastic arm is the rectangular form structure that extends along the direction that is on a parallel with lock plate 3311 face. The two elastic arms are arranged at intervals along the left-right direction.

Referring to fig. 8, each of the elastic arms includes an arm body extending upward and downward and a locking protrusion 3313 provided at a lower end portion of the arm body. The locking protrusions 3313 of the two elastic arms on the same board fixing member 331 extend leftwards and rightwards, respectively. The corresponding position on the plate body 1 is provided with a locking through hole, when the VGA joint is fixed on the plate body 1, the locking arms 3312 of the two plate body fixing pieces 331 penetrate through the locking through hole, and the locking protrusions 3313 are clamped on the other plate surface of the plate body 1 to fix the VGA joint.

Referring to fig. 8, a screw barrel 3314 is fixedly provided on a front side surface of the lock plate 3311 of each plate fixing member 331, the screw barrel 3314 has a cylindrical structure with an internal thread, an axis line extends in a front-rear direction, and one end thereof is welded to the front side surface of the lock plate 3311. Two screw cylinder through holes are provided in the front end plate of the fixing portion 321, and are located on the left and right sides of the region in which the through hole 3211 is provided in the front end plate.

Referring to fig. 7 and 9, two insertion grooves 3224 are disposed on the rear side of the front end plate, and the insertion grooves 3224 are disposed at positions corresponding to the through holes of the threaded cylinders. Each of the embedding grooves 3224 includes a square embedding groove embedded and matched with the locking plate 3311 of the plate fixing member 331, and further includes a bar-shaped embedding groove matched with the locking arm 3312, and the width of the bar-shaped embedding groove of each of the embedding grooves 3224 in the left-right direction is equal to the distance between the lateral surfaces of the two elastic arms of the corresponding plate fixing member, which are away from each other in the left-right direction. The threaded cylinder through hole is formed in the bottom wall of the square insertion groove 3224.

The lock plate 3311 is a square plate, and the width of the lock plate 3311 in the left-right direction is larger than the distance between the outer side surfaces of the two elastic arms on the lock plate 3311, which are away from each other in the left-right direction. The shape and size of the lock plate 3311 corresponds to the shape and size of the square embedment groove. The thickness of the locking plate 3311 and the elastic arm is equal to the depth of the corresponding embedding groove 3224. The threaded tube 3314 of the plate fixing member is inserted into the threaded tube through hole, and the lock plate 3311 and the lock arm 3312 are fitted in the fitting groove 3224, so that the plate fixing member 331 is prevented from rotating in the axial direction around the threaded tube 3314.

Referring to fig. 10, the conductive member 32 further includes a vertical section clip 326, the vertical section clip 326 includes a clip base plate 3261, a width of the clip base plate 3261 in the left-right direction is equal to a distance between surfaces of the fixing portion 321 opposite to the lower limiting protrusions 3223 on the left and right side plates, and a rear side surface of the clip base plate 3261 abuts against a front side surface of the rear end plate. An elastic clamping arm 3262 is arranged on the upper surface of the clamping base plate 3261, and two elastic clamping arms 3262 are respectively arranged on the upper surfaces of the left end and the right end of the clamping base plate 3261. Elastic clamping arm 3262 includes a vertical clamping portion that is a plate-like structure extending in the up-down direction. The upper end of the vertical clamping portion is provided with a clamping protrusion, the clamping protrusion extends towards the corresponding lower limiting protrusion 3223, and the vertical section clamping buckle 326 is clamped on the fixing portion 321 by matching with the upper surface of the lower limiting protrusion 3223. The buckle base plate 3261 is further provided with 15 vertical segment perforations 3211. When the vertical segment fastener 326 is fastened to the fixing portion 321, the vertical segment of the corresponding connector 34 penetrates out of the vertical segment through hole 3211, so as to fix the vertical segment of the connector 34.

The fixing portion 321, the upper fixing block, the middle fixing block and the lower fixing block are made of rubber or hard plastics.

The implementation principle of the Loongson computer mainboard based on the VPX standard in the embodiment is as follows: when in use, the tubular plug connectors 341 of 5 plug connectors 34 of the 15 plug connectors are firstly inserted into the first row of through holes 3211 of the front end plate of the fixing portion 321, and one end of the tubular plug connectors passing through the through holes 3211 is inserted into the built-in hole 3221 of the plug connector 322. The horizontal part of the strip-shaped connector 342 of the connector 34 corresponds to the upper fixing protrusion on the lower surface of the upper end plate, then the upper fixing block 323 is pressed into the wire placing groove, and the first upper fixing groove 3231 on the upper fixing block 323 is matched with the upper fixing protrusion to fix the corresponding strip-shaped connector 342 of the connector 34. Then, the tubular connectors 341 of the other 5 connectors 34 are inserted through the middle row of through holes 3211 of the front end plate of the fixing portion 321 and into the middle row of built-in holes 3221 corresponding to the plugging portion 322, the horizontal sections of the strip-shaped connectors 342 of the 5 connectors 34 are disposed in the second upper fixing groove 3232, then the middle fixing block 324 is pressed into the wire placing groove, the middle fixing protrusion of the middle fixing block 324 is correspondingly inserted into the second upper fixing groove 3232, and the strip-shaped connectors 342 are fixed. Then, the tubular connectors 341 of the last 5 connectors 34 pass through the last row of through holes 3211 of the front end plate of the fixing portion 321 and are inserted into the built-in holes 3221 of the plugging portion 322, the horizontal sections of the strip-shaped connectors 342 of the 5 connectors 34 are disposed in the middle fixing grooves 3242 of the middle fixing block 324, then the lower fixing blocks 325 are pressed into the wire placing grooves, and the lower fixing protrusions on the lower fixing blocks 325 are inserted into the corresponding middle fixing grooves 3242, so that the strip-shaped connectors 342 are fixed. When the upper, middle, and lower fixing blocks 325 are pressed into the wire-placing grooves, the corresponding fixing limit protrusions are inserted into the left and right limit grooves to prevent the upper, middle, and lower fixing blocks 325 from moving in the front-rear direction.

Example 2

Referring to fig. 11, the difference between the VPX standard-based Loongson computer motherboard of this embodiment and embodiment 1 is that a fixing strip 332 is disposed between the upper surfaces of two lower limiting protrusions 3223 and the lower surface of the lower fixing block 325, the fixing strip 332 is a long strip-shaped plate-shaped structure, the lower surface of the fixing strip 332 is attached to the upper surface of the lower limiting protrusion 3223, and the upper surface of the fixing strip 332 is attached to the lower surface of the lower fixing block 325. The fixing strip 332 is made of a metal material. A fixing bar penetration hole 3211 is provided on the rear end plate, and the fixing bar penetration hole 3211 extends in the front-rear direction. The fixing bar penetration holes 3211 are through holes. The rear side surface of the front end plate is provided with a fixing strip slot. The distance between the lower surface of the upper end plate and the upper surface of the lower limit protrusion 3223 is greater than the sum of the thicknesses of the upper, middle and lower fixing blocks 325, so that a gap is formed between the lower surface of the lower fixing block 325 and the upper surface of the lower limit protrusion 3223, and the gap corresponds to the positions of the fixing strip through hole 3211 and the fixing strip slot.

The implementation principle of the Loongson computer mainboard based on the VPX standard in the embodiment is as follows: during assembly, the fixing strip is inserted into the fixing strip through hole 3211 until the fixing strip slot, the fixing strip is fixed, and the upper, middle and lower fixing blocks are fixed by the fixing strip.

Example 3

The difference between the main board of the dragon core computer based on the VPX standard and the main board of the dragon core computer based on the VPX standard of this embodiment is that the rear end plate is not provided, and the rear end of the wire placing groove is in an open state. Offer the fixed strip on the right side wall of left side board and inlay and establish the groove, the fixed strip inlays the length of establishing the groove and extends along the fore-and-aft direction, the groove depth extends along left right direction, and the fixed strip inlays and establishes the groove and is equal with the fixed strip thickness in this side in upper and lower direction, makes the side of fixed strip can insert the fixed strip and inlays and establish in the groove. The lower groove wall of the fixing strip embedding groove on the left side plate is flush with the upper side surface of the corresponding lower limiting protrusion 3223. Similarly, a fixing strip embedding groove with a similar structure is also arranged on the left side wall of the right side plate.

The implementation principle of the Loongson computer mainboard based on the VPX standard in the embodiment is as follows: during assembly, the plug connectors 34 can be placed into the through holes 3211 on the front end plate from the rear ends of the wire placing grooves and inserted into the through holes, so that an excessive avoiding space for placing the plug connectors 34 in the wire placing grooves when the rear end plate is arranged is reduced.

Example 4

The difference between the VPX standard-based Loongson computer motherboard of this embodiment and embodiment 2 is that two fixing strips are both provided with a snap through hole, and the snap through holes are provided at positions on the fixing strips corresponding to the vertical sections of the strip-shaped plug connectors 342. Correspondingly, the upper surfaces of the two ends of the vertical section fastener 326 are provided with elastic clamping arms 3262, and the elastic clamping arms 3262 at each end of the vertical section fastener 326 comprise two cylindrical elastic arms arranged at intervals. The cross section of the columnar elastic arm is a nearly semicircular surface, and the upper end of the columnar elastic arm is provided with a clamping bulge which is nearly semicircular cone-shaped. The clamping bulges on the two columnar elastic arms extend outwards respectively.

The implementation principle of the Loongson computer mainboard based on the VPX standard in the embodiment is as follows: during assembly, the elastic arm of the vertical buckle 326 is inserted into the buckle through hole on the fixing strip, so that the elastic arm is clamped in the buckle through hole, the vertical buckle 326 and the fixing strip are fixed together, the stop function of the rear end plate between the vertical buckles 326 limits the displacement of the fixing strip in the front and rear direction, and further limits the displacement of the vertical section of the strip-shaped plug connector 342 in the direction.

Example 5

The difference between the Loongson computer main board based on the VPX standard and the Loongson computer main board in the embodiment 2 is that a layer of shielding net is covered on the inner wall of the wire placing groove.

In other embodiments, the number of the fixing blocks may also be increased or decreased according to the number and arrangement of the actual plug-in connectors 34. In other embodiments, the plug connector 34 may not include a vertical section and an arc-shaped section, and the plug connector is connected to the circuit on the board body in other manners, and the corresponding vertical section is not buckled. In other embodiments, one end of the strip connector 342 connected to the tubular connector 341 is fixedly disposed at the upper edge of the corresponding end of the tubular connector 341, and the annular end surface of the corresponding end of the tubular connector 341 and the lower surface of the strip connector 342 form a stop step surface. The stop step surface is matched with the front end surface of the fixing block in a stop way.

Claims

1. A Loongson computer mainboard based on VPX standard comprises a board body (1), wherein a Loongson processor (2), a display chip and a display connector (3) are arranged on the board body (1), and the display connector (3) is characterized by comprising a conductive assembly (32) and a fixed assembly (33); the conductive assembly (32) comprises an insulating shell and a plug connector (34) arranged in the insulating shell, wherein the plug connector (34) comprises a strip-shaped plug connector (342) and a tubular plug connector (341) connected to one end of the strip-shaped plug connector (342); the insulating shell comprises a fixing part (321) and a plugging part (322) arranged at one end of the fixing part (321), and a built-in hole (3221) extending in a direction parallel to the plate body (1) for inserting the tubular plug connector (341) is arranged in the plugging part (322); a wire placing groove is formed in one side, close to the plate body (1), of the fixing part (321), and a through hole (3211) corresponding to the position of the built-in hole (3221) and allowing the tubular plug connector (341) to penetrate through is formed in the groove wall, close to the plugging part (322), of the wire placing groove; more than two fixing blocks are arranged in the wire placing groove, fixing grooves are formed in the surfaces, parallel to the plate body (1), of the fixing blocks, and each fixing block is matched with the adjacent fixing block or the bottom wall of the wire placing groove to fix the corresponding strip-shaped plug connector (342) in the fixing groove.

2. The VPX standard-based Loongson computer motherboard according to claim 1, wherein a fixing protrusion is disposed on a bottom wall of the fixing block or the wire-placing groove adjacent to the fixing block provided with the fixing groove, the height of the fixing protrusion is smaller than the groove depth of the corresponding fixing groove, and the fixing protrusion is in plugging fit with the corresponding fixing groove to press the corresponding strip-shaped connector (342) into the fixing groove.

3. The VPX standard-based Loongson computer motherboard as claimed in claim 2, wherein the fixed block comprises an upper fixed block (323), a middle fixed block (324) and a lower fixed block (325) which are sequentially arranged along the direction away from the bottom of the wire placing groove, two surfaces of the upper fixed block (323) parallel to the board body (1) are provided with fixed grooves, and the bottom wall of the wire placing groove and the corresponding surface of the middle fixed block (324) adjacent to the upper fixed block (323) are provided with fixed bulges.

4. The VPX standard-based Loongson computer motherboard according to claim 1, wherein the wire-placing groove is provided with a limiting groove on the groove side wall along both sides of the strip-shaped connector (342) in the length direction, the fixing block is provided with a limiting protrusion at the corresponding two ends, and the limiting groove is in plugging fit with the limiting protrusion to limit the displacement of the fixing block in the length direction of the strip-shaped connector (342).

5. The VPX standard-based Loongson computer motherboard as claimed in claim 4, wherein the fixing component (33) comprises a board fixing member (331), the board fixing member (331) comprises a square locking plate (3311), a locking arm (3312) extending towards the direction close to the board (1) is arranged on the locking plate (3311), and a locking protrusion (3313) engaged with the board (1) is arranged at one end of the locking arm (3312) far away from the locking plate (3311); an embedded groove (3224) for embedding the locking plate (3311) and the locking arm (3312) is arranged on the groove wall of the limiting groove perpendicular to the length direction of the strip-shaped plug connector (342), and the shape of the embedded groove (3224) is matched with the shapes of the locking plate (3311) and the locking arm (3312); the parts of the end surface of the locking plate (3311) provided with the locking arm (3312) and positioned at the two sides of the locking arm (3312) form stop surfaces, and are matched with the corresponding groove wall stops of the embedded groove (3224) to limit the displacement of the plate fixing piece (331) in the direction close to the plate body (1).

6. The VPX standard-based Loongson computer motherboard according to claim 5, wherein a side of the locking plate (3311) facing the plug part (322) is provided with a threaded cylinder (3314), a bottom of the embedded groove (3224) is provided with a threaded cylinder through hole, one end of the threaded cylinder (3314) is fixedly arranged on a corresponding side of the locking plate (3311), and the other end of the threaded cylinder passes through the threaded cylinder through hole.

7. The VPX standard-based Loongson computer motherboard as recited in claim 3, wherein the lower limiting protrusions (3223) are arranged on the slot side walls of the wire holding groove on both sides in the length direction of the ribbon plug connector (342), and the lower limiting protrusions (3223) limit the displacement of the lower fixing block (325) in the direction away from the slot bottom of the wire holding groove.

8. The VPX standard-based Loongson computer main board of claim 7, wherein a fixing strip (332) is clamped between the lower fixing block (325) and the lower limiting protrusion (3223), and a fixing strip slot for inserting the corresponding end of the fixing strip (332) is formed in the groove wall of the wire placing groove close to the insertion part (322).

9. The VPX standard-based Loongson computer motherboard according to claim 8, wherein the strip-shaped plug connector (342) comprises a horizontal section, an arc-shaped section and a vertical section which are connected in sequence, wherein the horizontal section is connected with the tubular plug connector (341), one end of the vertical section is connected with the arc-shaped section, and the other end of the vertical section extends towards the board body (1); conductive component (32) still include vertical section buckle (326), and vertical section buckle (326) are including buckle base plate (3261), are provided with vertical section perforation (3211) that supply vertical section to pass on buckle base plate (3261), and buckle base plate (3261) both ends are provided with the elasticity joint arm (3262) with fixed strip (332) joint complex.

10. A VPX-standard-based Loongson computer motherboard as claimed in claim 9, wherein the fixing strip (332) is provided with a snap through hole (3211), one end of the elastic snap arm (3262) away from the snap base plate (3261) is provided with a snap projection, and one end of the elastic snap arm (3262) provided with the snap projection passes through the snap through hole (3211) and is snap-fitted with the fixing strip (332).