TWI845086B - Jig for assembling connector components - Google Patents

Abstract

A jig for assembling a connector assembly, the connector assembly includes a guide shielding cover and a heat sink pre-assembled on the guide shielding cover, the guide shielding cover includes two side walls each having a pressing protrusion. The jig includes a pressure cover and two movable plates. Each movable plate has a connecting portion located above, a pushed portion located below the connecting portion, and an action structure located below the pushed portion. The pressure cover can be assembled with the connecting portions of the two movable plates so as to move up and down relative to the two movable plates. The two movable plates are arranged laterally and can move between an unloading state far away from each other and a loading state close to each other. The action structure has an inward clamping portion and a downward pressing portion. The pressed cover can push the pushed part, so that the two moving plates move inward from the unloading state to the loading state. The clamping parts of the moving plates are clamped inwardly on the two side walls of the guide shielding cover, and the pressing parts of the moving plates are pressed downward on the pressing protrusions of the two side walls of the guide shielding cover.

Description

Jig for assembling connector components

The present invention relates to a jig, in particular to a jig for assembling connector components.

US Patent Publication No. US5,896,649 discloses an assembly tool for mounting a connector on a circuit board. The connector includes multiple terminals, each terminal having a board pin extending from the board mounting surface of the connector, and the board pin of the terminal has a compliant pin structure (such as a needle eye pin). The assembly tool includes a solid metal pressing plate, which is pressed from top to bottom on the top surface of the connector to press the board pins of multiple terminals into the through holes of the circuit board in an interference fit.

When the guide shield with a heat sink on the top is assembled to the circuit board, a pressure plate as disclosed in the above-mentioned prior art is usually used to assist the assembly. This pressure plate is pressed down on the top of the heat sink to press the pins (such as compliant pins, eye-of-the-eye pins) at the bottom of the guide shield into the through-holes of the circuit board.

However, not all heat sinks can withstand the pressure of the pressure plate. Some heat sinks (such as heat sinks with thin fins) cannot withstand the pressure. When the pressure plate is pressed on the heat sink, the heat sink fins may be deformed or damaged. In addition, the pressure plate is located on the top of the heat sink, and the distance between the pressure plate and the pins of the guide shield is large. When the pressure of the pressure plate is unbalanced, the pins are easily offset relative to the perforations of the circuit board, causing the pins to be twisted and deformed and unable to be inserted into the perforations of the circuit board or only partially inserted into the perforations of the circuit board, causing the assembly operation to fail.

Therefore, one purpose of the present invention is to provide a jig for assembling connector components that can improve at least one problem in the prior art.

Therefore, the present invention is a jig for assembling a connector assembly, wherein the connector assembly includes a guide shielding cover and a heat sink pre-assembled on the guide shielding cover, and the guide shielding cover includes two side walls each having a pressing protrusion. The jig includes a pressure cover, two movable plates, and a supporting spring. Each movable plate has a connecting portion located at the top, a pushed portion located below the connecting portion, and an action structure located below the pushed portion. The pressure cover can be assembled with the connecting portion of the two movable plates so as to move up and down relative to the two movable plates. The two movable plates are arranged laterally and can move between an unloading state far away from each other and a loading state close to each other. The action structure has an inward clamping portion and a downward pressing portion. The support spring is arranged between the two moving plates. When the jig is arranged on the connector assembly, the pressed cover can push the pushed portion, so that the two moving plates move inward from the unloading state to the loading state relative to the press cover, and the support spring is compressed, and the clamping portions of the two moving plates are respectively clamped inwardly on the two side walls of the guide shielding cover, and the pressing portions of the two moving plates are respectively pressed downward on the pressing protrusions of the two side walls of the guide shielding cover.

In some embodiments, the pressure cover has two side plates, and the two moving plates are assembled on the inner side surfaces of the two side plates. In the unloading state, the side plates of the pressure cover are located above the pushed portion of the moving plate, and the supporting springs make the two moving plates respectively lean against the inner side surfaces of the two side plates of the pressure cover outward; in the loading state, the pressure cover is pressed down to move downward relative to the moving plate, and the lower edges of the two side plates of the pressure cover push the two moving plates along the pushed portion of the moving plate, so that the two moving plates approach each other inward and the supporting springs are compressed.

In some embodiments, each of the side plates of the pressure cover has a guide hole extending up and down, the connecting portion of the movable plate has a through hole, and the fixture further includes a support rod passing through the guide holes of the two side plates and the through hole of the connecting portion of the two movable plates, the guide hole of the pressure cover can move up and down relative to the support rod, the movable plate can move laterally along the support rod, and the support spring is sleeved on the support rod and disposed between the two movable plates.

In some embodiments, each of the moving plates also has an operating handle, and the pressure cover has an operating handle avoidance hole, and the operating handle passes outward from the operating handle avoidance hole for operation to move the moving plate relative to the pressure cover.

In some embodiments, the pushed portion is a pushed inclined surface structure extending downward and outward obliquely and formed on the outer side surface of the moving plate.

In some embodiments, the lateral width of the heat sink of the connector assembly is greater than the lateral width of the guide shield, and in the unloading state, the width between the action structures of the two moving plates of the fixture is greater than the lateral width of the heat sink.

In some embodiments, the action structure extends obliquely inward and downward from the lower portion of the moving plate.

In some embodiments, the pressing protrusion includes a plurality of convex bumps integrally constructed on the side wall and arranged in a row front to back. In the loading state, the pressing portion of the moving plate presses downward on the plurality of convex bumps of the guide shield.

In some embodiments, the guide shielding cover further has a plurality of pins located at the bottom edge of the side wall, and the plurality of convex bumps are located at the lower half of the side wall and close to the pins. In the loading state, the pressing portion of the moving plate presses downward on the plurality of convex bumps of the guide shielding cover so that the plurality of pins are inserted downward on a circuit board.

In some embodiments, the pressure cover has a front positioning piece integrally constructed at the front end and extending downward, and two side positioning pieces integrally constructed at both sides near the front end and extending downward, the front positioning piece can be positioned at the front end of the guide shield, and the two side positioning pieces can be positioned at both sides of the heat sink.

In some embodiments, the movable plate also has a guide block extending inward from the inner side surface, the pressure cover has an inner top surface and an inner boss extending downward from the inner top surface, and the inner boss has guide grooves located on both sides for correspondingly accommodating the guide block.

The jig for assembling the connector assembly of the present invention can clamp the guide shield cover and move it together with the heat sink, and at the same time, the jig directly presses the pressing protrusion of the side wall of the guide shield cover to press and assemble the guide shield cover that has been pre-assembled with the heat sink on the circuit board. Furthermore, the jig will not press the heat sink to avoid damage to the heat sink. In addition, since the two moving plates of the jig can cross the heat sink with a larger width from top to bottom and be placed on the outer sides of the two side walls of the guide shield cover, the jig of the present invention can be applied to the combination of the heat sink and the guide shield cover of various widths. Furthermore, the pressing protrusion pressed by the jig is located at the lower half of the side wall and close to the pin, so the transmission of the pressing force is more direct and the transmission path is shorter, so that the pin can be correctly aligned and inserted into the through hole of the circuit board, avoiding the distortion of the pin.

100: Fixture

1: Pressure cap

11: Front end

12: Top plate

121: Inner top surface

13: Side panels

131: Guide hole

132: Operating handle avoidance hole

14: Front positioning piece

15: Side positioning piece

16: Inner boss

161:Guide groove

2: Mobile board

21: Connection part

211:Piercing

22: Pushing part

23: Functional structure

231: Clamping part

232: Pressing part

24: Operating handle

25: Guide block

26: Avoid concave parts

3: Support rod

31: Expand the end

32: Nut

4: Support spring

200: Connector assembly

201:Guide shield

201a: Top wall

201b: Bottom wall

201c: Side wall

201d: Back wall

201e: Plug-in channel

201f: Insert your foot

201g: bottom opening

201h: Press the convex part

201i: convex hull

202: Radiator

300: Circuit board

301: Socket

400: Socket connector

D1: front and back direction

D2: Up and down direction

D3: Left and right direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a three-dimensional view of an embodiment of a jig for assembling a connector assembly of the present invention, and the figure also shows a circuit board to be assembled with the connector assembly and provided with a socket connector; FIG. 2 is a three-dimensional exploded view of the jig and the connector assembly; FIG. 3 is a three-dimensional exploded view of the jig; FIG. 4 is a three-dimensional view of the jig set on the connector assembly, in which a pressure cover of the jig has not yet been pressed down relative to the two movable plates, and the two movable plates are In an unloading state; FIG. 5 is a side view of the fixture set on the connector assembly, in which the pressure cover of the fixture has not yet been pressed down relative to the two moving plates, and the two moving plates are in the unloading state; FIG. 6 is a cross-sectional view taken along the A-A section line in FIG. 5; FIG. 7 is a three-dimensional view similar to FIG. 4, in which the pressure cover of the fixture is pressed down relative to the two moving plates, and the two moving plates are in a loading state; FIG. 8 is a cross-sectional view similar to FIG. 6, in which the pressure cover of the fixture is pressed down relative to the two moving plates, and the two moving plates are in the loading state.

Referring to Figures 1 to 3, an embodiment of the jig 100 for assembling a connector assembly 200 of the present invention includes a pressure cover 1, two moving plates 2, two support rods 3, and two support springs 4.

The connector assembly 200 includes a guide shield 201 and a heat sink 202 pre-assembled on the guide shield 201. The guide shield 201 extends along a front-to-back direction D1 (the arrow direction is the front, and the reverse direction is the rear), and includes a top wall 201a for assembling the heat sink 202, a bottom wall 201b opposite to the top wall 201a along a vertical direction D2 (the arrow direction is the top, and the reverse direction is the bottom), and a bottom wall 201b connected between the top wall 201a and the bottom wall 201b and extending in a left-right direction D3 (the arrow direction is the top, and the reverse direction is the bottom). The top wall 201a and the bottom wall 201b are connected to the rear edges of the two side walls 201c, a plug-in channel 201e defined by the top wall 201a, the bottom wall 201b, the two side walls 201c and the back wall 201d, and a plurality of pins 201f located at the bottom edges of the side walls 201c. The pins 201f are used to be mounted on a plurality of sockets 301 of a substrate of, for example, a circuit board 300 to connect to a grounding track (not shown). The pins 201f may be, for example but not limited to, compliant pins, such as needle eye pins; the pins 201f are configured to be inserted into the sockets 301 of the circuit board 300 by interference and electrically connected to the grounding track. The circuit board 300 is pre-assembled with a socket connector 400. After the connector assembly 200 is assembled on the circuit board 300, the socket connector 400 is accommodated in the plugging channel 201e through a bottom opening 201g (see FIG. 4) of the plugging channel 201e.

The two side walls 201c of the guide shield 201 each have a pressing protrusion 201h located at the lower half near the bottom pin 201f. The pressing protrusion 201h of each side wall 201c includes a plurality of convex bumps 201i integrally constructed on the side wall 201c and arranged in a row front to back. The convex bumps 201i are located at the lower half of the side wall 201c and near the pins 201f. In addition, the width of the heat sink 202 of the connector assembly 200 in the lateral direction is greater than the width of the guide shield 201 in the lateral direction (the left-right direction D3).

The pressure cover 1 of the fixture 100 extends along the front-rear direction D1 and has a front end 11, a top plate 12 extending backward from the front end 11 and having an inner top surface 121 facing downward, two side plates 13 extending downward from the top plate 12 along the up-down direction D2 and opposite to each other in the left-right direction D3, a front positioning piece 14 integrally constructed at the front end 11 and extending downward, two side positioning pieces 15 integrally constructed at both sides of the front end 11 and extending downward, and an inner boss 16 extending downward from the inner top surface 121 of the top plate 12. Each of the side plates 13 of the pressure cover 1 has two guide holes 131 extending up and down and forming a strip-shaped structure and arranged front and back, and an operating handle avoidance hole 132 located between the two guide holes 131. The front positioning piece 14 can be positioned at the front end of the guide shield 201, and the two side positioning pieces 15 can be positioned at the two sides of the heat sink 202. The inner boss 16 has a plurality of guide grooves 161 located on the left and right sides.

The two moving plates 2 are plate bodies extending in the front-rear direction D1 and the up-down direction D2, and are respectively assembled on the inner side surfaces of the two side plates 13 of the pressure cover 1 in a side arrangement along the left-right direction D3. Each of the moving plates 2 has two connecting parts 21 located at the top and arranged along the front-rear direction D1, a pushed part 22 located below the connecting part 21, a plurality of action structures 23 located below the pushed part 22 and arranged along the front-rear direction D1, an operating handle 24 located between the two connecting parts 21 and extending outward from the operating handle avoidance hole 132, and a plurality of guide blocks 25 extending inward from the inner side surface and used to correspond to the guide groove 161 accommodated in the inner boss 16. Each of the connecting parts 21 is located on the inner side of the two side plates 13 of the pressure cover 1 and has a through hole 211 formed along the left-right direction D3. The pushed part 22 is a pushed inclined surface structure extending downward and outward and formed on the outer side surface of the moving plate 2.

Each of the functional structures 23 extends obliquely inward and downward from the lower portion of the moving plate 2 , and each of the functional structures 23 has a clamping portion 231 facing inward for clamping the guide shielding cover 201 , and a pressing portion 232 facing downward for pressing the convex bump 201i of the pressing protrusion 201h of the guide shielding cover 201 . In this embodiment, each of the moving plates 2 has several shorter action structures 23 located in the front (two on the right side and three on the left side), and one longer action structure 23 located in the back. The several short action structures 23 in the front are used to press on one convex bump 201i respectively, and the long action structure 23 in the back is used to press on more than two convex bumps 201i at the same time. A avoidance recess 26 is formed between the action structures 23 to avoid some structures on the side wall 201c of the guide shield 201 (such as the buckle structure between the bottom wall 201b and the side wall 201c). However, in other embodiments, each of the moving plates 2 may also have only one action structure 23.

Each of the supporting rods 3 has two expanded ends 31 located on the left and right sides and abutting against the outer sides of the two side plates 13 of the gland 1, one of which may be a nut 32. Each supporting rod 3 passes through the guide holes 131 on the two side plates 13 and the through holes 211 of the connecting portions 21 of the two moving plates 2, thereby assembling the moving plates 2 on the inner sides of the side plates 13. Since the guide hole 131 of the pressure cover 1 is restricted by the two supporting rods 3 in the front-rear direction D1 and the left-right direction D3, the guide hole 131 of the pressure cover 1 can basically only move relative to the two supporting rods 3 in the up-down direction D2, that is, the pressure cover 1 can only move relative to the two moving plates 2 in the up-down direction D2. The movement of the two moving plates 2 in the up-down direction D2 and the front-rear direction D1 is restricted by the two supporting rods 3. Basically, the two moving plates 2 can only move laterally along the two supporting rods 3 (along the left-right direction D3), that is, the two moving plates 2 can only move inward or outward relative to the pressure cover 1 along the left-right direction D3.

By means of the two supporting rods 3, the pressure cover 1 can be assembled with the connecting portion 21 of the two moving plates 2 so as to move up and down relative to the two moving plates 2, and the two moving plates 2 can move between an unloading state far away from each other (see FIG. 4) and a loading state close to each other (see FIG. 7).

The two supporting springs 4 are, for example but not limited to, coil springs. The two supporting springs 4 are sleeved on the two supporting rods 3 and disposed between the two moving plates 2. The two ends of each supporting spring 4 elastically abut against the inner side of the two moving plates 2 and are used to drive the two moving plates 2 away from each other by their own elastic force. The elastic force of the two supporting springs 4 causes the two moving plates 2 to be inclined to the unloading state.

The following describes how to use the fixture 100 to assemble the guide shield 201 (the connector assembly 200) that has been pre-assembled with the heat sink 202 onto the circuit board 300.

Referring to Figures 4 to 6, first, the two movable plates 2 of the fixture 100 are in the unloading state. In this state, the lower edges of the two side plates 13 of the pressure cover 1 are located above the pushed portions 22 of the two movable plates 2, and the two support rods 3 are located at the lower ends of the guide holes 131 of the pressure cover 1. The two support springs 4 push the two movable plates 2 outward along the left-right direction D3, so that the connecting portions 21 of the two movable plates 2 are respectively pressed against the inner surfaces of the two side plates 13 of the pressure cover 1 outward in the left-right direction D3. At this time, the width between the action structures 23 of the two moving plates 2 of the jig 100 is greater than the width of the heat sink 202 in the lateral direction, so that the two moving plates 2 of the jig 100 can cross the heat sink 202 with a larger width from top to bottom and be placed on the left and right outer sides of the two side walls 201c of the guide shield 201 to set the jig 100 on the connector assembly 200. At this time, the guide blocks 25 of the two moving plates 2 can be placed on the heat sink 202 for example to serve as a pre-support for the jig 100. At this time, the pressing parts 232 of the action structures 23 of the two moving plates 2 can be lower than the convex bumps 201i. At this time, the front positioning piece 14 of the pressure cover 1 can be positioned at the front end of the guide shield 201, and the two side positioning pieces 15 of the pressure cover 1 can be positioned at the two sides of the heat sink 202, thereby assisting the positioning and assembly of the fixture 100, so that the fixture 100 can be assembled quickly and correctly.

Referring to FIG. 3 and FIG. 7 to FIG. 8 , the pressure cover 1 is then pressed down to move downward relative to the two movable plates 2, the guide hole 131 of the pressure cover 1 moves downward along the two support rods 3, and the lower edges of the two side plates 13 of the pressure cover 1 push the pushed portions 22 of the two movable plates 2 inward along the left-right direction D3 along the pushed portions 22 of the two movable plates 2, so that the two movable plates 2 move inwardly from the unloading state to the loading state relative to the pressure cover 1, and the support spring 4 is compressed. In the loading state, the two supporting rods 3 are located at the upper end of the guide hole 131 of the pressure cover 1, and the clamping parts 231 of the action structure 23 of the two movable plates 2 are respectively clamped inwardly on the two side walls 201c of the guide shielding cover 201, and the pressing parts 232 of the action structure 23 of the two movable plates 2 move upward and inward to the multiple bumps 201i of the pressing protrusions 201h of the two side walls 201c of the guide shielding cover 201, and at the same time, each of the guide blocks 25 is lifted away from the heat sink 202, and each of the guide grooves 161 of the inner boss 16 that moves downward corresponds to accommodating each of the guide blocks 25 and also has a guiding function. In the loaded state, the bottom surface of the inner boss 16 and each of the guide blocks 25 will not contact the heat sink 202.

It should be noted that in some cases, the operating handle 24 can be pushed to move the two moving plates 2 relative to the pressure cover 1. For example, when the fixture 100 is turned upside down and loaded on the guide shield 201 with the heat sink 202, the pressure cover 1 is placed on the countertop and cannot be pressed and moved relative to the two moving plates 2. At this time, the operating handle 24 of the two moving plates 2 that pass out from the operating handle avoidance hole 132 can be operated and pushed to move the two moving plates 2 relative to the pressure cover 1 and clamp the guide shield 201.

Referring to FIG. 1 and FIG. 7 to FIG. 8 , in the loading state, the fixture 100 can stably clamp the guide shielding cover 201 and move together with the heat sink 202. When assembled to the circuit board 300, the pressing cover 1 is further pressed downward by a tool or machine (not shown), and the pressing portions 232 of the two movable plates 2 press downward the convex bumps 201i of the side wall 201c of the guide shielding cover 201, so that the pins 201f of the guide shielding cover 201 are interfered and pressed into the sockets 301 of the circuit board 300, so that the pins 201f are inserted downward into the circuit board 300. During this process, the jig 100 can stably clamp the guide shield 201 and move together with the heat sink 202. When the connector assembly 200 is assembled to the circuit board 300, the jig 100 is directly pressed on the pressing protrusion 201h of the side wall 201c of the guide shield 201, and the inner boss 16 of the pressing cover 1 and the heat sink 202 do not contact each other, so the jig 100 will not press on the heat sink 202 to avoid damage to the heat sink 202.

After the connector assembly 200 is successfully assembled to the circuit board 300, the pressure cover 1 can be operated in reverse to move the two movable plates 2 to the unloading state and unload the fixture 100.

In summary, the jig 100 for assembling the connector assembly 200 of the present invention can clamp the guide shield 201 and move it together with the heat sink 202, and at the same time, the jig 100 directly presses on the pressing protrusion 201h of the side wall 201c of the guide shield 201 to press and assemble the guide shield 201, which has been pre-assembled with the heat sink 202, onto the circuit board 300. Furthermore, the jig 100 will not press on the heat sink 202 to avoid damage to the heat sink 202. In addition, since the two moving plates 2 of the jig 100 can cross the wider heat sink 202 from top to bottom and be placed on the outer sides of the two side walls 201c of the guide shield 201, the jig 100 of the present invention can be applied to a combination of heat sinks 202 and guide shields 201 of various widths. Furthermore, the pressing protrusion 201h pressed by the jig 100 is located at the lower half of the side wall 201c and close to the pin 201f, and the transmission of the pressing force is more direct and the transmission path is shorter, so that the pin 201f can be correctly aligned and inserted into the through hole 211 of the circuit board 300, avoiding the distortion and deformation of the pin 201f.

However, the above is only an example of the implementation of the present invention, and it cannot be used to limit the scope of the implementation of the present invention. All simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still within the scope of the patent of the present invention.

100: Fixture

1: Pressure cap

11: Front end

12: Top plate

13: Side panels

131: Guide hole

132: Operating handle avoidance hole

14: Front positioning piece

15: Side positioning piece

2: Mobile board

22: Pushing part

23: Functional structure

231: Clamping part

232: Pressing part

24: Operating handle

26: Avoid concave parts

3: Support rod

31: Expand the end

32: Nut

200: Connector assembly

201:Guide shield

201c: Side wall

201f: Insert your foot

201h: Press the convex part

201i: convex hull

202: Radiator

300: Circuit board

301: Socket

400: Socket connector

D1: front and back direction

D2: Up and down direction

D3: Left and right direction

Claims (11)

A jig for assembling a connector assembly, the connector assembly comprising a guide shielding cover and a heat sink pre-assembled on the guide shielding cover, the guide shielding cover comprising two side walls each having a pressing protrusion, the jig comprising: a pressure cover; two movable plates, each of the movable plates having a connecting portion located above, a pushed portion located below the connecting portion, and an action structure located below the pushed portion, the pressure cover can be assembled with the connecting portions of the two movable plates so as to move up and down relative to the two movable plates, the two movable plates are arranged laterally and can move between an unloading state far away from each other and a loading state close to each other, the action structure having an inward clamping portion and a downward pressing portion; and a support spring disposed between the two movable plates; When the jig is set on the connector assembly, the pressed cover can push the pushed part, so that the two moving plates move inward from the unloading state to the loading state relative to the press cover, and the support spring is compressed, and the clamping parts of the two moving plates are respectively clamped inward on the two side walls of the guide shield, and the pressing parts of the two moving plates are respectively pressed downward on the pressing protrusions of the two side walls of the guide shield. A jig for assembling a connector assembly as described in claim 1, wherein the pressure cover has two side plates, and the two movable plates are assembled on the inner sides of the two side plates. In the unloading state, the side plates of the pressure cover are located above the pushed portion of the movable plate, and the supporting springs cause the two movable plates to respectively press outward against the inner sides of the two side plates of the pressure cover; in the loading state, the pressure cover is pressed downward to move downward relative to the movable plate, and the lower edges of the two side plates of the pressure cover push the two movable plates along the pushed portion of the movable plate, so that the two movable plates approach each other inward and the supporting springs are compressed. A jig for assembling connector assemblies as described in claim 2, wherein each of the side plates of the pressure cover has a guide hole extending up and down, the connecting portion of the movable plate has a through hole, and the jig further includes a support rod passing through the guide holes of the two side plates and the through hole of the connecting portion of the two movable plates, the guide hole of the pressure cover can move up and down relative to the support rod, the movable plate can move laterally along the support rod, and the support spring is sleeved on the support rod and arranged between the two movable plates. A jig for assembling connector assemblies as described in claim 3, wherein each of the movable plates also has an operating handle, and the pressure cover has an operating handle avoidance hole, and the operating handle protrudes outward from the operating handle avoidance hole for operation to move the movable plate relative to the pressure cover. A jig for assembling connector assemblies as described in claim 2, wherein the pushed portion is a pushed inclined surface structure extending obliquely downward and outward and formed on the outer side surface of the moving plate. A jig for assembling a connector assembly as described in claim 1, wherein the lateral width of the heat sink of the connector assembly is greater than the lateral width of the guide shield cover, and in the unloading state, the width between the action structures of the two movable plates of the jig is greater than the lateral width of the heat sink. A jig for assembling connector assemblies as described in claim 6, wherein the action structure extends obliquely inward and downward from the lower portion of the moving plate. A jig for assembling a connector assembly as described in claim 1, wherein the pressing protrusion includes a plurality of convex bumps integrally constructed on the side wall and arranged in a row front to back, and in the loading state, the pressing portion of the movable plate presses downward on the plurality of convex bumps of the guide shielding cover. A jig for assembling connector assemblies as described in claim 8, wherein the guide shield cover also has a plurality of pins located at the bottom edge of the side wall, and the plurality of protrusions are located at the lower half of the side wall and close to the pins. In the loading state, the pressing portion of the movable plate presses downward on the plurality of protrusions of the guide shield cover so that the plurality of pins are inserted downward into a circuit board. A jig for assembling connector assemblies as described in claim 1, wherein the pressure cover has a front positioning plate integrally constructed at the front end and extending downward, and two side positioning plates integrally constructed at both sides near the front end and extending downward, the front positioning plate can be positioned at the front end of the guide shielding cover, and the two side positioning plates can be positioned on both sides of the heat sink. A jig for assembling connector assemblies as described in claim 1, wherein the movable plate also has a guide block extending inward from the inner side surface, the pressure cover has an inner top surface and an inner boss extending downward from the inner top surface, and the inner boss has guide grooves located on both sides for correspondingly accommodating the guide block.

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