Cable connector and connector assembly

Abstract

The present invention discloses a cable connector, including a wire end insulating body, a wire end conductive terminal group arranged inside the wire end insulating body, a cable electrically connected to the wire end conductive terminal group, and a buckle installed above the wire end insulating body. The wire end insulating body includes a main body, an insertion part formed by extending forward from the main body, and a buckle part formed by extending upward and forward from the upper surface of the main body. A buckle groove is provided on the top of the buckle part, and the buckle is installed in the buckle groove. A first plug-in slot is provided in the insertion part, and the wire end conductive terminal group is arranged in the first plug-in slot. A first limiting slot is provided between the part of the buckle part extending out of the main body and the insertion part. The present invention also discloses a connector assembly including the above-mentioned cable connector. After the cable connector of the present invention is inserted into the board-end connector, the height of the entire connector assembly can be made less than 8 mm, and it can be used under the server radiator to save motherboard space.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular to a cable connector and a connector assembly. Background Art

[0002] As the transmission speed in servers and switches increases, reaching 56Gbps and 112Gbps, the limitations of traditional PCB signal transmission are increasing. Because PCB attenuates greatly, affecting signal integrity, connectors are needed to reduce attenuation.

[0003] The products currently in use are relatively tall and are not suitable for use around server chips. As customers use more motherboard space and consider cost savings, they also hope to use the motherboard space under the radiator and hope that the product can be placed under the radiator to make full use of the server motherboard space. Summary of the invention

[0004] In view of the above problems, an object of the present invention is to provide a cable connector and a connector assembly that can be used under a server radiator to save motherboard space.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0006] A cable connector includes a wire end insulating body, a wire end conductive terminal group arranged inside the wire end insulating body, a cable electrically connected to the wire end conductive terminal group, and a buckle installed above the wire end insulating body. The wire end insulating body includes a main body, an insertion portion extending forward from the main body, and a buckle portion extending upward and forward from the upper surface of the main body. A buckle groove is provided on the top of the buckle portion, and the buckle is installed in the buckle groove. A first plug-in groove is provided in the insertion portion, and the wire end conductive terminal group is arranged in the first plug-in groove. A first limiting slot is provided between the portion of the buckle portion extending out of the main body and the insertion portion.

[0007] Furthermore, the buckle portion extends forward beyond the insertion portion.

[0008] Furthermore, two guide positioning columns extending forward from the front end surface of the main body are provided below the insertion portion, and a second limiting slot is provided between the insertion portion and the guide positioning columns.

[0009] Furthermore, the guide positioning column extends forward beyond the insertion portion.

[0010] Furthermore, a cavity is provided inside the main body, a plastic fixing member for fixing the end of the wire end conductive terminal group is fixed in the cavity, and the wire end conductive terminal group extends forward into the first plug-in slot.

[0011] Furthermore, the wire end conductive terminal group includes a first conductive terminal group and a second conductive terminal group, and the first conductive terminal group and the second conductive terminal group are respectively arranged on the upper surface and the lower surface of the first plug-in slot, and the cable includes a first cable and a second cable arranged parallel to each other, the first cable is electrically connected to the first conductive terminal group, and the second cable is electrically connected to the second conductive terminal group.

[0012] In one embodiment, the first cable and the second cable both pass through the rear end of the main body.

[0013] In another embodiment, the first conductive terminal group is bent downward at one end connected to the plastic fixing piece to form a first connecting portion, and the second conductive terminal group is bent downward at one end connected to the plastic fixing piece to form a second connecting portion, the first connecting portion and the second connecting portion are parallel to each other and staggered front to back, and the first cable and the second cable both pass downward from the bottom of the main body.

[0014] Furthermore, the distance between the first connecting portion and the second connecting portion is 0.3-1.5 mm.

[0015] Furthermore, it also includes a drawstring, and the buckle includes a fixing portion, an elastic portion formed by bending upward from one end of the fixing portion, and a pressing portion formed by extending upward obliquely from the end of the elastic portion, the fixing portion is fixed in the buckle groove, and one end of the drawstring is connected to the pressing portion.

[0016] Furthermore, a rear cover is provided at the rear end of the main body, a drawstring hole is provided at the upper portion of the rear cover, and one end of the drawstring passes through the drawstring hole and is connected to the pressing portion of the buckle.

[0017] The present invention also discloses a connector assembly, comprising a cable connector and a board-end connector, wherein the cable connector is the cable connector described above.

[0018] Furthermore, the board-end connector comprises a board-end insulating body, a board-line conductive terminal group fixed inside the board-end insulating body, and a shell sleeved outside the board-end insulating body. A second plug-in slot is provided inside the board-end insulating body, a card slot is formed by bending the top of the shell, the insertion part and the front end of the card-locking part of the cable connector are respectively inserted into the second plug-in slot and the card slot, and the top plate of the board-end insulating body is inserted into the first limiting slot.

[0019] Furthermore, an insulating plug board for inserting into the first plug board is provided inside the second plug slot, and the conductive terminal group at the board end includes a conductive plastic strip, a third conductive terminal group and a fourth conductive terminal group. The conductive plastic strip is embedded inside the insulating plug board, and the third conductive terminal group and the fourth conductive terminal group are arranged on the upper surface and the lower surface of the insulating plug board respectively. The third conductive terminal group and the fourth conductive terminal group are both composed of ground terminals and signal terminal pairs arranged alternately in sequence, and the signal terminal pair is composed of two mutually symmetrical signal terminals, and all ground terminals are electrically connected to the conductive plastic strip.

[0020] Furthermore, the height of the insulating plug board is less than or equal to the height of the first plug slot, and a gap is provided between the insulating plug board and the side wall of the board end insulating body for the side wall of the insertion portion to be inserted.

[0021] Furthermore, in order to enhance the strength of the entire housing and prevent the sides of the housing from being easily deformed, two fixing arms extending toward a side away from the cable connector are respectively provided on both sides of the housing and both sides of the slot.

[0022] Furthermore, two sides of the shell extend toward one side of the cable connector respectively and form two L-shaped limiting plates for limiting the cable connector to the left and right.

[0023] The top of the housing is formed with a first U-shaped groove at the front end of the card slot, and the rear end of the buckle portion of the cable connector is accommodated in the first U-shaped groove. The front end of the bottom of the housing is formed with a second U-shaped groove, and the main body of the cable connector is accommodated in the second U-shaped groove, and the cable connector is fully inserted into the housing. This structure can effectively reduce the total height of the product after matching and improve the contact reliability of the product.

[0024] Furthermore, the lower part of the insertion part has two guide positioning posts extending forward from the front end surface of the main body, and the bottom of the shell is bent to form two guide holes for the guide positioning posts to be inserted. A second limiting slot is provided between the bottom of the insertion part and the top of the guide positioning post, and the bottom plate of the board end insulating body is inserted into the second limiting slot.

[0025] Furthermore, the side and bottom of the shell are respectively provided with a locking hole and a spring sheet, and the side and bottom of the board end insulating body are respectively provided with a clamping block and a spring sheet groove for clamping and cooperating with the locking hole and the spring sheet.

[0026] The present invention has the following beneficial effects: 1. The present invention provides a product with a transmission speed of up to 56Gbps and 112Gbps, which meets the customer's requirements for product signal integrity. The cable connector can be fully inserted into the board-end connector, so that the overall height of the connector assembly is less than 8mm, and it can be used under the server radiator to save motherboard space; 2. The guide positioning column and the guide hole are set to guide the cable connector, and at the same time, the product can be prevented from being twisted and skewed by force, thereby improving the reliability of the product; 3. The width of the ground terminal of the line end conductive terminal group and the board line end conductive terminal group is respectively greater than the width of the signal terminal, and the ground terminal The gap between the sub-terminal and the signal terminal is greater than or equal to the gap between the two signal terminals. Such an arrangement can improve the signal integrity of the product; 4. The spacing between the first connecting part and the second connecting part of the line end conductive terminal group is set to 0.3-1.5mm, which is convenient for welding two rows of cables and improving the signal integrity of the product; 5. A first U-shaped groove is formed at the front end of the card slot on the top of the shell, and the rear end of the buckle part is accommodated in the first U-shaped groove. A second U-shaped groove is formed at the front end of the bottom of the shell, and the main body of the cable connector is accommodated in the second U-shaped groove. This structure can effectively reduce the total height of the product after matching and improve the contact reliability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the three-dimensional structure of the cable connector in the first embodiment.

[0028] Figure 2 for Figure 1 Exploded parts diagram.

[0029] Figure 3 It is a schematic diagram of the three-dimensional structure of the wire end insulation body.

[0030] Figure 4 It is a schematic diagram of the installation of the line end conductive terminal group in the first embodiment.

[0031] Figure 5 It is a schematic diagram of the three-dimensional structure of the cable connector in the second embodiment.

[0032] Figure 6 It is a schematic diagram of the three-dimensional structure of the cable connector in the third embodiment.

[0033] Figure 7 This is a schematic diagram of the installation of the line end conductive terminal group in Example 3.

[0034] Figure 8 It is a schematic diagram of the three-dimensional structure of the cable connector in the fourth embodiment.

[0035] Fig. 9 It is a schematic diagram of the three-dimensional structure of the connector assembly in the fifth embodiment.

[0036] Fig.10 It is a schematic diagram of the three-dimensional structure of the board-end connector in the fifth embodiment.

[0037] Fig.11 for Fig. 9 Exploded parts diagram.

[0038] Fig.12 It is a schematic diagram of the three-dimensional structure of the metal shell in the fifth embodiment.

[0039] Fig.13 It is a schematic diagram of the conductive terminal arrangement of a line end conductive terminal group or a board line end conductive terminal group.

[0040] Fig.14 It is a schematic diagram of the three-dimensional structure of the connector assembly in Example 6.

[0041] Fig.15 It is a schematic diagram of the three-dimensional structure of the connector assembly in Example 7.

[0042] Fig.16 It is a schematic diagram of the three-dimensional structure of the connector assembly in the eighth embodiment.

[0043] Fig.17 It is a schematic diagram of the three-dimensional structure of the connector assembly in the ninth embodiment.

[0044] Fig.18 It is a schematic diagram of the three-dimensional structure of the metal shell in the ninth embodiment.

[0045] Fig.19 It is a schematic diagram of the three-dimensional structure of the connector assembly in the tenth embodiment.

[0046] Fig. 20 It is a schematic diagram of the three-dimensional structure of the connector assembly in the eleventh embodiment.

[0047] Fig.21 It is a schematic diagram of the three-dimensional structure of the connector assembly in the twelfth embodiment.

[0048] Explanation of the main component symbols: 1. Wire end insulation body; 101. First limiting slot; 102. Second limiting slot; 11. Main body; 110. Cavity; 111. Back cover; 112. Pull-tab hole; 12. Insertion part; 120. First plug-in slot; 13. Buckle part; 130. Buckle slot; 14. Guide and positioning column; 201. Ground terminal; 202. Signal terminal; 21. First conductive terminal group; 22. Second conductive terminal group; 221. First connecting part; 222. Second connecting part; 23. Plastic fixing part; 3. Cable; 31. First cable; 32. Second cable; 4. Inner mold; 5. Buckle; 51. Fixing part; 52. Elastic part; 521. Boss; 53. Pressing part; 6. Pull-tab; 7. Plate End insulating body; 701, card block; 702, spring clip slot; 71, second plug-in slot; 72, insulating plug-in board; 8, board line end conductive terminal group; 801, ground terminal; 802, signal terminal; 81, conductive plastic strip; 82, third conductive terminal group; 83, fourth conductive terminal group; 9, metal shell; 90, first U-shaped groove; 900, second U-shaped groove; 901, lock hole; 902, spring clip; 91, card slot; 92, guide hole; 93, card hole; 94, fixed arm; 95, L-shaped limit plate; H: distance between the first connecting part and the second connecting part; A: width of the ground terminal; B: width of the signal terminal; a: gap between the ground terminal and the signal terminal; b: gap between the signal terminal and the signal terminal. DETAILED DESCRIPTION

[0049] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

[0050] Embodiment 1

[0051] like Figure 1-4 As shown, a cable connector includes a wire end insulating body 1, a wire end conductive terminal group, a cable 3, an inner mold 4 and a buckle 5. The wire end insulating body 1 includes a main body 11, an insertion portion 12 extending forward from the front end surface of the main body 11, and a buckle portion 13 extending upward and forward from the upper surface of the main body 11. The buckle portion 13 extends out of the main body 11 and has a first limiting slot 101 between the insertion portion 12, and the top of the buckle portion 13 is provided with a buckle slot 130 for installing the buckle 5. The front end of the insertion portion 12 is provided with a first plugging slot 120, and the wire end conductive terminal group is arranged in the first plugging slot 120.

[0052] Preferably, the buckle portion 13 extends forward beyond the insertion portion 12 .

[0053] Preferably, the front end surface of the main body 11 has two guide positioning columns 14 extending forward below the insertion portion 12, a second limiting slot 102 is provided between the bottom of the insertion portion 12 and the top of the guide positioning columns 14, and the guide positioning columns 14 extend forward beyond the insertion portion 12.

[0054] The buckle 5 includes a fixing portion 51, an elastic portion 52 formed by bending upward from one end of the fixing portion 51, and a pressing portion 53 formed by extending upward obliquely from the end of the elastic portion 52. The fixing portion 51 is fixed in the buckle groove 130. A cavity 110 is provided inside the main body 11. A rear cover 111 is provided at the rear end of the cavity 110. The rear cover 111 is fixed to the main body 11 by buckles.

[0055] The line end conductive terminal group includes a first conductive terminal group 21, a second conductive terminal group 22 and a plastic fixing member 23. The plastic fixing member 23 is disposed in the cavity 110. The plastic fixing member 23 can be divided into two fixing members, an upper fixing member and an lower fixing member, or a whole fixing member. The same end of the first conductive terminal group 21 and the second conductive terminal group 22 is respectively fixed on the plastic fixing member 23, and the other end extends into the first plug-in slot 120 and is arranged on the upper surface and the lower surface of the first plug-in slot 120.

[0056] The first conductive terminal group 21 is bent downward at one end connected to the plastic fixing member 23 to form a first connecting portion 221, and the second conductive terminal group 22 is bent downward at one end connected to the plastic fixing member 23 to form a second connecting portion 222. The first connecting portion 221 and the second connecting portion 222 are parallel to each other and staggered front and back. Preferably, the spacing H between the first connecting portion 221 and the second connecting portion 222 is 0.3-1.5 mm. The cable 3 includes a first cable 31 and a second cable 32, the first cable 31 is welded to the first connecting portion 221, and the second cable 32 is welded to the second connecting portion 222. The first cable 31 and the second cable 32 are both passed downward from the bottom of the main body 11. The inner mold 4 is arranged in the cavity 110 and completely covers the welding points between the first cable 31 and the first connecting portion 221 and the welding points between the second cable 32 and the second connecting portion 222.

[0057] like Fig.13 As shown, the first conductive terminal group 21 and the second terminal row 22 are both formed by alternatingly arranging ground terminals 201 and signal terminal pairs in sequence, and the signal terminal pair is composed of two mutually symmetrical signal terminals 202 .

[0058] Preferably, the width A of the ground terminal 201 is greater than or equal to the width B of the signal terminal 202 , and the gap a between the ground terminal 201 and the signal terminal 202 is greater than or equal to the gap b between the two signal terminals 202 .

[0059] Embodiment 2

[0060] like Figure 5As shown, the difference between this embodiment and the first embodiment is that the cable connector further includes a drawstring 6, a drawstring hole 112 is provided on the upper portion of the rear cover 111, and one end of the drawstring 6 passes through the drawstring hole 112 and is connected to the pressing portion 53 of the buckle 5. The rest of the structure of this embodiment is the same as that of the first embodiment.

[0061] Embodiment 3

[0062] like Figure 6 , Figure 7 As shown, the difference between this embodiment and the first embodiment is that the first conductive terminal group 21 and the second conductive terminal group 22 are not bent to form a connection portion at the end connected to the plastic fixing member 23. The first cable 31 is welded to the side of the first conductive terminal group 21 close to the plastic fixing member 23, and the second cable 32 is welded to the side of the second conductive terminal group 22 close to the plastic fixing member 23. The first cable 31 and the second cable 32 are both passed through the rear cover 111. The rest of the structure of this embodiment is the same as that of the first embodiment.

[0063] Embodiment 4

[0064] like Figure 8 As shown, the difference between this embodiment and the third embodiment is that the cable connector further includes a drawstring 6, a drawstring hole 112 is provided on the upper portion of the rear cover 111, and one end of the drawstring 6 passes through the drawstring hole 112 and is connected to the pressing portion 53 of the buckle 5. The rest of the structure of this embodiment is the same as that of the third embodiment.

[0065] Embodiment 5

[0066] like Figure 9-12 As shown, a connector assembly includes a cable connector and a board-end connector, and the cable connector is the cable connector in Example 1.

[0067] The board-end connector includes a board-end insulating body 7, a board-line conductive terminal group 8 fixed inside the board-end insulating body 7, and a metal shell 9 sleeved on the outside of the board-end insulating body 7. The board-end insulating body 7 is made of plastic. The side and bottom of the metal shell 9 are respectively provided with a locking hole 901 and a spring 902, and the side and bottom of the board-end insulating body 7 are respectively provided with a clamping block 701 and a spring slot 702 for clamping with the locking hole 901 and the spring 902.

[0068] A first plug-in slot 71 matching the shape of the insertion portion 12 is provided inside the board end insulating body 7, the insertion portion 12 is inserted into the first plug-in slot 71, and the top arm of the board end insulating body 7 is inserted into the first limiting slot 101 between the buckle portion 13 and the insertion portion 12. The top of the metal shell 9 is bent to form a slot 91, and the bottom of the metal shell 9 is bent to form two guide holes 92 for inserting the guide positioning column 14. The buckle 5 is provided with two clamping protrusions 521 at the top of the elastic portion 52, and the metal shell 9 is provided with two clamping holes 93 for clamping with the two clamping protrusions 521 at the top of the clamping slot 91. Two fixing arms 94 extending toward the side away from the cable connector are provided on both sides of the metal shell 9 and both sides of the clamping slot 91.

[0069] The board-end conductive terminal group 8 includes a conductive plastic strip 81, a third conductive terminal group 82 and a fourth conductive terminal group 83. The board-end insulating body 7 is provided with an insulating plug board 72 inside the first plug slot 71, and the conductive plastic strip 81 is embedded inside the insulating plug board 72. The third conductive terminal group 82 and the fourth conductive terminal group 83 are arranged on the upper surface and the lower surface of the insulating plug board 71, respectively. The height of the insulating plug board 72 is less than or equal to the height of the first plug slot 120, and there is a gap between the insulating plug board 72 and the side wall of the board-end insulating body 7 for the side wall of the insertion part 12 to be inserted. The board-end conductive terminal group 8 is inserted into the first plug slot 120 and makes the first conductive terminal group 21 and the second conductive terminal group 22 contact and connect with the third conductive terminal group 82 and the fourth conductive terminal group 83, respectively.

[0070] like Fig.13 As shown, the third conductive terminal group 82 and the fourth conductive terminal group 83 are both composed of ground terminals 801 and signal terminal pairs arranged alternately in sequence. The signal terminal pair consists of two mutually symmetrical signal terminals 802 . All ground terminals 801 are electrically connected to the conductive plastic strip 81 .

[0071] Preferably, the width A of the ground terminal 801 is greater than or equal to the width B of the signal terminal 802 , and the gap a between the ground terminal 801 and the signal terminal 802 is greater than or equal to the gap b between the two signal terminals 802 .

[0072] The distance between the bottom of the front end of the buckle portion 13 and the top of the insertion portion 12 is greater than or equal to the thickness of the top plate of the board end insulating body 71, so that when the insertion portion 12 is inserted into the first plug-in slot 71, the top plate of the board end insulating body 71 can be inserted into the gap formed between the buckle portion 13 and the insertion portion 12. The height of the second limiting slot 102 between the bottom of the insertion portion 12 and the top of the guide positioning column 14 is greater than or equal to the thickness of the bottom plate of the board end insulating body 71, so that when the insertion portion 12 is inserted into the first plug-in slot 71, the bottom plate of the board end insulating body 71 can be inserted into the second limiting slot 102 formed between the insertion portion 12 and the guide positioning column 14. The distance between the insulating plug board 72 and the side wall of the board end insulating body 7 is greater than or equal to the thickness of the side wall of the insertion portion 12, so that the two side walls of the insertion portion 12 can be inserted into the two side gaps formed by the insulating plug board 72 and the board end insulating body 7.

[0073] The working principle of the present invention is:

[0074] Assemble the connector assembly: After assembling the line-end connector, align the position, and insert the insertion part 12, the buckle part 13 and the two guide positioning posts 14 of the line-end connector into the first plug-in slot 71, the card slot 91 and the two guide holes 92 of the board-end connector respectively. The two guide positioning posts 14 can guide the insertion of the entire line-end connector and prevent the product from being twisted or skewed. At the same time, the insulating plug board 72 on the board-end connector is inserted into the first plug-in slot 120 of the line-end connector insertion part 12, the third conductive terminal group is in contact with the first conductive terminal group, and the fourth conductive terminal group is in contact with the second conductive terminal group. The two latching protrusions 521 on the top of the line-end connector are inserted into the two latching holes 93 of the board-end connector for fixation.

[0075] Unlock the connector assembly: press the pressing portion 53 of the buckle 5 to make it move downward, and the elastic portion 52 moves downward along with the pressing portion 53. The two latching protrusions 521 on the top of the elastic portion 52 disengage from the two latching holes 93 of the metal shell 9. Pull the cable connector to disengage from the board-end connector, and the unlocking is completed.

[0076] Embodiment 6

[0077] like Fig.14 As shown, a connector assembly includes a cable connector and a board-end connector, wherein the cable connector is the cable connector in the second embodiment. The structure of the board-end connector in this embodiment is the same as that in the fifth embodiment.

[0078] When the connector assembly of this embodiment is unlocked, the pull strap 6 is pulled, and the pull strap 6 pulls the pressing part 53 of the buckle 5 to move downward, and the elastic part 52 follows the pressing part 53 to move downward, and the two latching protrusions 521 on the top of the elastic part 52 are disengaged from the two latching holes 93 of the metal shell 9. The pull strap 6 is continued to be pulled to disengage the wire end connector from the board end connector, and the unlocking is completed.

[0079] Embodiment 7

[0080] like Fig.15 As shown, a connector assembly includes a cable connector and a board-end connector, wherein the cable connector is the cable connector in Embodiment 3. The structure of the board-end connector in this embodiment is the same as that in Embodiment 5.

[0081] When the connector assembly of this embodiment is unlocked, the pressing portion 53 of the buckle 5 is pressed to make it move downward, and the elastic portion 52 moves downward along with the pressing portion 53, and the two latching protrusions 521 on the top of the elastic portion 52 are disengaged from the two latching holes 93 of the metal shell 9, and the cable connector is pulled to disengage from the board-end connector, and the unlocking is completed.

[0082] Embodiment 8

[0083] like Fig.16 As shown, a connector assembly includes a cable connector and a board-end connector, wherein the cable connector is the cable connector in the fourth embodiment. The structure of the board-end connector in this embodiment is the same as that in the fifth embodiment.

[0084] When the connector assembly of this embodiment is unlocked, the pull strap 6 is pulled, and the pull strap 6 pulls the pressing part 53 of the buckle 5 to move downward, and the elastic part 52 follows the pressing part 53 to move downward, and the two latching protrusions 521 on the top of the elastic part 52 are disengaged from the two latching holes 93 of the metal shell 9. The pull strap 6 is continued to be pulled to disengage the wire end connector from the board end connector, and the unlocking is completed.

[0085] Embodiment 9

[0086] like Fig.17 , 18 As shown, a connector assembly includes a cable connector and a board-end connector, and the cable connector is the cable connector in the first embodiment. The difference between this embodiment and the fifth embodiment is that the two sides of the metal shell 9 extend toward one side of the cable connector and form two L-shaped limit plates 95 for limiting the left and right positions of the cable connector. A first U-shaped groove 90 is formed at the front end of the card slot 91 at the top of the metal shell 9, and the rear end of the buckle portion 13 of the cable connector is accommodated in the first U-shaped groove 90. A second U-shaped groove 900 is formed at the front end of the bottom of the metal shell 9, and the main body 11 of the cable connector is accommodated in the second U-shaped groove 900. The rest of the structure of this embodiment is the same as that of the fifth embodiment.

[0087] In this embodiment, the height of the front and rear of the metal shell 9 is lower than the side of the metal shell 9. This structure can effectively reduce the total height of the product after matching and improve the contact reliability of the product, preventing the cable connector from shaking left and right.

[0088] Embodiment 10

[0089] like Fig.19 As shown, a connector assembly includes a cable connector and a board-end connector, wherein the cable connector is the cable connector in Embodiment 2. The board-end connector structure of this embodiment is the same as that of Embodiment 9.

[0090] Embodiment 11

[0091] like Fig. 20 As shown, a connector assembly includes a cable connector and a board-end connector, wherein the cable connector is the cable connector in Embodiment 3. The board-end connector structure of this embodiment is the same as that of Embodiment 9.

[0092] Embodiment 12

[0093] like Fig.21 As shown, a connector assembly includes a cable connector and a board-end connector, wherein the cable connector is the cable connector in Embodiment 4. The board-end connector structure of this embodiment is the same as that of Embodiment 9.

[0094] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details may be made to the present invention without departing from the spirit and scope of the invention as defined in the appended claims, all of which are within the scope of protection of the present invention.

Claims

1. A cable connector, comprising a wire end insulating body, a wire end conductive terminal group arranged inside the wire end insulating body, a cable electrically connected to the wire end conductive terminal group, and a buckle installed above the wire end insulating body, characterized in that: The wire end insulating body includes a main body, an insertion portion extending forward from the main body, and a buckle portion extending upward and forward from the upper surface of the main body. A buckle groove is provided on the top of the buckle portion, and the buckle is installed in the buckle groove. A first plug-in groove is provided in the insertion portion, and the wire end conductive terminal group is arranged in the first plug-in groove. A first limiting slot is provided between the part of the buckle portion extending out of the main body and the insertion portion.

2. A cable connector according to claim 1, characterized in that: The buckle portion extends forward beyond the insertion portion.

3. A cable connector according to claim 2, characterized in that: Two guide positioning posts extending forward from the front end surface of the main body are provided below the insertion portion, and a second limiting slot is provided between the insertion portion and the guide positioning posts.

4. A cable connector according to claim 3, characterized in that: The guide and positioning column extends forward beyond the insertion portion.

5. A cable connector according to claim 1, characterized in that: A cavity is provided inside the main body, and a plastic fixing member for fixing the end of the wire end conductive terminal group is fixed in the cavity. The wire end conductive terminal group extends forward into the first plug-in slot.

6. A cable connector according to claim 5, characterized in that: The wire end conductive terminal group includes a first conductive terminal group and a second conductive terminal group, and the first conductive terminal group and the second conductive terminal group are respectively arranged on the upper surface and the lower surface of the first plug-in slot. The cable includes a first cable and a second cable arranged parallel to each other, and the first cable is electrically connected to the first conductive terminal group, and the second cable is electrically connected to the second conductive terminal group.

7. A cable connector according to claim 6, characterized in that: The first cable and the second cable both pass through the rear end of the main body.

8. A cable connector according to claim 6, characterized in that: The first conductive terminal group is bent downward at one end connected to the plastic fixing piece to form a first connecting portion, and the second conductive terminal group is bent downward at one end connected to the plastic fixing piece to form a second connecting portion. The first connecting portion and the second connecting portion are parallel to each other and staggered front and back. The first cable and the second cable both pass downward from the bottom of the main body.

9. A cable connector according to claim 8, characterized in that: The distance between the first connecting portion and the second connecting portion is 0.3-1.5 mm.

10. The cable connector according to claim 1, characterized in that: It also includes a drawstring, the buckle includes a fixing portion, an elastic portion formed by bending upward from one end of the fixing portion, and a pressing portion formed by extending upward from the end of the elastic portion, and one end of the drawstring is connected to the pressing portion.

11. A cable connector according to claim 10, characterized in that: A rear cover is disposed at the rear end of the main body, a drawstring hole is provided at the upper portion of the rear cover, one end of the drawstring passes through the drawstring hole and is connected to the pressing portion of the buckle.

12. A connector assembly, comprising a cable connector and a board connector, characterized in that: The cable connector is the cable connector according to any one of claims 1 to 11.

13. A connector assembly according to claim 12, characterized in that: The board-end connector includes a board-end insulating body, a board-end conductive terminal group fixed inside the board-end insulating body, and a shell sleeved on the outside of the board-end insulating body. A second plug-in slot is opened inside the board-end insulating body, and a card slot is formed by bending the top of the shell. The insertion part and the front end of the buckle part of the cable connector are respectively inserted into the second plug-in slot and the card slot, and the top plate of the board-end insulating body is inserted into the first limiting slot.

14. A connector assembly according to claim 13, characterized in that: An insulating plug board for inserting into the first plug board is provided inside the second plug slot, the board end conductive terminal group comprises a conductive plastic strip, a third conductive terminal group and a fourth conductive terminal group, the conductive plastic strip is embeddedly installed inside the insulating plug board, the third conductive terminal group and the fourth conductive terminal group are respectively arranged on the upper surface and the lower surface of the insulating plug board, the third conductive terminal group and the fourth conductive terminal group are both composed of ground terminals and signal terminal pairs arranged alternately in sequence, the signal terminal pair is composed of two mutually symmetrical signal terminals, and all ground terminals are electrically connected to the conductive plastic strip.

15. A connector assembly according to claim 14, characterized in that: The height of the insulating plug board is less than or equal to the height of the first plug slot, and a gap is provided between the insulating plug board and the side wall of the board end insulating body for the side wall of the insertion portion to be inserted.

16. A connector assembly according to claim 13, characterized in that: Two fixing arms extending toward a side away from the cable connector are respectively arranged on both sides of the shell and both sides of the card slot.

17. A connector assembly according to claim 13, characterized in that: The two sides of the shell extend toward one side of the cable connector respectively and form two L-shaped limiting plates for limiting the cable connector to the left and right.

18. A connector assembly according to claim 13, characterized in that: A first U-shaped groove is formed at the front end of the card slot on the top of the shell, and the rear end of the buckle portion of the cable connector is accommodated in the first U-shaped groove. A second U-shaped groove is formed at the front end of the bottom of the shell, and the main body of the cable connector is accommodated in the second U-shaped groove. The cable connector is fully inserted into the shell.

19. A connector assembly according to claim 13, characterized in that: The insertion part has two guide positioning columns extending forward from the front end surface of the main body below, the bottom of the shell is bent to form two guide holes for the guide positioning columns to be inserted, and a second limiting slot is provided between the bottom of the insertion part and the top of the guide positioning column, and the bottom plate of the insulating body at the plate end is inserted into the second limiting slot.

20. A connector assembly according to any one of claims 13 to 19, characterized in that: The side and bottom of the shell are respectively provided with a locking hole and a spring sheet, and the side and bottom of the plate end insulating body are respectively provided with a clamping block and a spring sheet groove for clamping and cooperating with the locking hole and the spring sheet.

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