阅读说明：本技术 连接器主体与外壳的连接结构、线缆连接器、其生产工艺及组件 (Connecting structure of connector main body and shell, cable connector, production process and assembly thereof ) 是由 杨文初 鄞汉阳 熊海涛 李杭 于 2021-08-30 设计创作，主要内容包括：本发明公开了连接器主体与外壳的连接结构,包括：连接器主体,其包括电接触体、线缆及第一注塑内模；外壳,其包括前主体部及后主体部,前主体部内部设有用于安装电接触体的第一容置腔；后主体部从前主体部向后部延伸,后主体部内部设有第二容置腔,第一注塑内模安装在第二容置腔内；后主体部上设置有注胶孔；通过注胶孔注入胶体填充于第二容置腔内壁与第一注塑内模之间形成第二注塑内模。本发明还公开了一种线缆连接器,包括上述结构以及锁定组件。本发明还公开了一种连接器组件,包括电子系统和上述的线缆连接器。本发明还公开了上述线缆连接器的生产工艺。本发明有效的提高了连接器的可靠性,可适用于振动环境大的环境中。(The invention discloses a connecting structure of a connector main body and a shell, comprising: a connector body including an electrical contact, a cable, and a first injection molded inner mold; the shell comprises a front main body part and a rear main body part, wherein a first accommodating cavity for mounting an electric contact body is arranged in the front main body part; the rear main body part extends from the front main body part to the rear part, a second accommodating cavity is formed in the rear main body part, and the first injection molding inner die is installed in the second accommodating cavity; the rear main body part is provided with a glue injection hole; and injecting the glue through the glue injection hole to fill the space between the inner wall of the second accommodating cavity and the first injection molding inner mold to form a second injection molding inner mold. The invention also discloses a cable connector which comprises the structure and the locking component. The invention also discloses a connector assembly, which comprises an electronic system and the cable connector. The invention also discloses a production process of the cable connector. The invention effectively improves the reliability of the connector and is suitable for the environment with large vibration environment.)

1. The connection structure of connector main part and shell, its characterized in that includes:

the connector main body comprises an electric contact body, a cable and a first injection molding inner die, wherein the tail part of the electric contact body is connected with the cable; the first injection internal mold is coated at the joint of the electric contact body and the cable;

the shell comprises a front main body part and a rear main body part, wherein a first accommodating cavity for installing an electric contact body is formed in the front main body part; the rear main body part extends from the front main body part to the rear part, a second accommodating cavity is formed in the rear main body part, and the first injection molding inner die is installed in the second accommodating cavity; the rear main body part is provided with a glue injection hole;

and injecting the colloid through the glue injection hole to fill the colloid between the inner wall of the second accommodating cavity and the first injection molding inner mold to form a second injection molding inner mold, so that the connector main body is fixedly connected with the shell.

2. The connector body to housing connection structure of claim 1, wherein: and a plurality of back-off holes communicated with the second accommodating cavity are formed around the rear main body part, and the colloid injected from the glue injection hole is filled between the inner wall of the second accommodating cavity and the first injection molding inner mold and in the back-off holes to form a second injection molding inner mold.

3. The connector body to housing connection structure of claim 2, wherein: at least two back-off holes are respectively arranged above and below the rear main body part.

4. A connecting structure of a connector main body and a housing as set forth in any one of claims 1 to 3, wherein: the electric contact body is a circuit board or a conductive terminal group, the electric contact body is arranged in the insulating shell, and the insulating shell is arranged in the first accommodating cavity; the shell is made of metal materials.

5. The connecting structure of the connector main body and the shell as claimed in claim 4, wherein a first step surface is provided at a junction of the second receiving cavity and the first receiving cavity, a boss is provided at a rear end of the insulating housing, and the boss is clamped on the first step surface; the clamping convex blocks are arranged on two sides of the front end of the first accommodating cavity, grooves corresponding to the clamping convex blocks are arranged on two sides of the front end of the insulating shell, and the insulating shell is inserted into the first accommodating cavity to enable the grooves to be embedded in the clamping block convex blocks.

6. The connector body to housing connection structure of claim 4, wherein: the electric contact body is a conductive terminal group, the conductive terminal group comprises a first terminal module and a second terminal module, the first terminal module comprises a first insulating block and a plurality of first conductive terminals fixed in the first insulating block, and the second terminal module comprises a second insulating block and a plurality of second conductive terminals fixed in the second insulating block;

a plurality of first positioning pieces are arranged below the first insulating block, a plurality of second positioning pieces are arranged above the second insulating block, and the first positioning pieces and the second positioning pieces are matched to enable the first insulating block and the second insulating block to be connected in a seamless mode.

7. The connecting structure of the connector main body and the housing as claimed in claim 6, wherein a plurality of first caulking grooves are formed below the first insulating block, the first caulking grooves being communicated to the first conductive terminals; a plurality of second caulking grooves are formed above the second insulating block and communicated with the second conductive terminals; the first insulating block or/and the second insulating block are/is provided with a runner groove communicated with the first caulking groove and the second caulking groove, and conductive plastic enters from the runner groove and is filled into the first caulking groove and the second caulking groove so as to be communicated with the first conductive terminal and the second conductive terminal.

8. The connector body to housing connection structure of claim 7, wherein ribs are provided above the first insulating block and below the second insulating block;

insulating housing inner wall be provided with the second step face, insulating housing's top and below are provided with the trompil, are provided with the inclined plane on the afterbody wall of trompil department, first collets and second collets support and lean on the second step face, protruding muscle block in the trompil in.

9. A cable connector, comprising: a connecting structure of a connector main body and a housing comprising any one of claims 1 to 8, further comprising a locking member detachably attached to the housing, the locking member being for locking with an external electronic system.

10. The cable connector according to claim 9, wherein the locking assembly comprises a pivot, a torsion spring and a pressing member, wherein mounting lugs are disposed on two sides of the bottom of the pressing member, a shaft hole is disposed on the vertical baffle, the torsion spring is mounted on the pivot, two ends of the pivot respectively pass through the mounting lugs of the pressing member and are inserted into the shaft hole, so that one end of two torsion end surfaces of the torsion spring abuts against the pressing member, and the other end of the torsion end surfaces of the torsion spring abuts against the housing; the front end of the pressing piece is provided with a locking part.

11. The cable connector of claim 9, wherein the housing further comprises a mounting portion disposed at a side end of the front body portion, a side end of the rear body portion, or a tail end of the rear body portion, the mounting portion is used to fix the housing to an external mounting plate by a screw, and a positioning post is disposed below the housing and is inserted into the external mounting plate.

12. The cable connector of claim 9, wherein the housing further includes a plurality of baffles, the baffles are connected to an exterior of the front body portion, and a slot is formed between the baffles and the front body portion.

13. A connector assembly, characterized by: the cable connector comprises an electronic system and the cable connector as claimed in any one of claims 9 to 12, wherein the electronic system is electrically connected with the electric contact body of the cable connector, and the upper end of the electronic system is connected with the locking assembly in a locking manner.

14. The connector assembly of claim 13, wherein: the electronic system is a solid state disk, the solid state disk comprises an upper shell, a lower shell and a circuit board, the upper shell is assembled and connected with the lower shell, the circuit board is installed between the upper shell and the lower shell, a clamping groove is formed in the upper surface of the upper shell, and the clamping groove is connected with a locking assembly of the cable connector.

15. The connector assembly of claim 14, wherein: the shell of the cable connector also comprises a plurality of baffle plates, the baffle plates are connected to the outside of the front main body part, and a slot is formed between each baffle plate and the front main body part; the lower surface of the lower shell of the solid state disk is inwards concave, so that the upper shell and the front end part of the circuit board protrude, the front end of the upper shell is inserted into the slot, and the front end of the circuit board is inserted into the insulating shell and connected with the electric contact body.

16. A process for producing a cable connector, comprising:

welding a cable at the tail part of the electric contact body;

a first injection molding inner die is formed at the connecting part of the electric contact body and the cable through an external die in an injection molding mode;

mounting the electrical contact in an insulating housing;

installing the insulating shell and the first injection molding inner die into the shell;

and injecting colloid into the glue injection hole formed in the shell, so that the colloid is filled between the inner wall of the shell and the first injection molding inner mold to form a second injection molding inner mold.

17. The process for producing a cable connector according to claim 16, wherein: the shell is also provided with a plurality of back-off holes, and in the step S4, the colloid is filled between the inner wall of the shell and the first injection molding inner die and is injected into the back-off holes to form a second injection molding inner die.

18. The process for producing a cable connector according to claim 16, wherein: the electric contact for leading conductive terminal group, conductive terminal group including mutually supporting first insulating block and second insulating block, first insulating block on be provided with a plurality of first caulking grooves, the second insulating block on be provided with a plurality of second caulking grooves, first insulating block or/and second insulating block on be provided with the runner groove of first caulking groove of intercommunication and second caulking groove, conductive terminal group's installation includes following step:

(1) a plurality of first conductive terminals are arranged on the first insulating block, and a plurality of second conductive terminals are arranged on the second insulating block;

(2) positioning, assembling and fixedly connecting the first insulating block and the second insulating block;

(3) and injecting conductive plastic into the runner groove, so that the conductive plastic is filled into the first caulking groove and the second caulking groove to be communicated with the first conductive terminal and the second conductive terminal.

19. The process for manufacturing a cable connector according to claim 18, wherein said first and second conductive terminals each include a signal terminal and a ground terminal for transmitting high-speed signals, and said first and second recesses are disposed at positions corresponding to the ground terminal.

20. The process for producing a cable connector according to any one of claims 16 to 19, further comprising the steps of: and installing a locking assembly, and detachably installing the locking assembly above the shell.

Technical Field

The invention relates to the field of electric connectors, in particular to a connecting structure of a connector main body and a shell, a cable connector applying the structure, a production process of the cable connector and a connector assembly.

Background

The application environment of the existing electronic system is increasingly complex, such as larger vibration exists in the vehicle body. It is difficult for existing in-vehicle electronic connectors to provide reliable electrical connections in high vibration environments. For example, a hard disk (SSD) inserted into an electrical connector may fall out of a socket of the electrical connector under the influence of vibration.

The publication number is: CN11196014A discloses a method for producing a terminal connector, which includes welding a cable and a conductive terminal set, and then filling a rubber material in an injection molding hole formed in a connector housing until the rubber material completely covers the welding point between the cable and the conductive terminal set. Through the mode of once injecting the centre form, when the in-process of assembling to the casing after cable and the welding of conductive terminal group, the easy problem that takes place contact failure or drop leads to once to produce the substandard product when moulding plastics the centre form.

Disclosure of Invention

An object of the present invention is to provide a connecting structure of a connector main body and a housing, a cable connector and a connector assembly, which can improve reliability of the connector and can be applied to a vehicle body, and another object of the present invention is to provide a manufacturing process of the cable connector, which can improve yield and stability of the connector. In order to achieve the purpose, the invention adopts the following technical scheme:

the invention discloses a connecting structure of a connector main body and a shell, comprising:

the connector main body comprises an electric contact body, a cable and a first injection molding inner die, wherein the tail part of the electric contact body is connected with the cable; the first injection internal mold is coated at the joint of the electric contact body and the cable; the shell comprises a front main body part and a rear main body part, wherein a first accommodating cavity for installing an electric contact body is formed in the front main body part; the rear main body part extends from the front main body part to the rear part, a second accommodating cavity is formed in the rear main body part, and the first injection molding inner die is installed in the second accommodating cavity; the rear main body part is provided with a glue injection hole; and injecting the colloid through the glue injection hole to fill the colloid between the inner wall of the second accommodating cavity and the first injection molding inner mold to form a second injection molding inner mold, so that the connector main body is fixedly connected with the shell.

Preferably, a plurality of inverted holes communicated with the second accommodating cavity are formed around the rear main body part, and the colloid injected from the glue injection hole is filled between the inner wall of the second accommodating cavity and the first injection molding inner mold and in the inverted holes to form a second injection molding inner mold.

Wherein, the upper and lower of the back main body part are respectively provided with at least two back-off holes.

The electric contact body is a circuit board or a conductive terminal group, the electric contact body is arranged in the insulating shell, and the insulating shell is arranged in the first accommodating cavity; the shell is made of metal materials. The shell is wrapped outside the insulating shell and made of metal materials, so that the strength of the connector can be improved.

The joint of the second accommodating cavity and the first accommodating cavity is provided with a first step surface, the rear end of the insulating shell is provided with a boss, and the boss is clamped on the first step surface; the clamping convex blocks are arranged on two sides of the front end of the first accommodating cavity, grooves corresponding to the clamping convex blocks are arranged on two sides of the front end of the insulating shell, and the insulating shell is inserted into the first accommodating cavity to enable the grooves to be embedded in the clamping block convex blocks.

The electric contact body is a conductive terminal group, the conductive terminal group comprises a first terminal module and a second terminal module, the first terminal module comprises a first insulating block and a plurality of first conductive terminals fixed in the first insulating block, and the second terminal module comprises a second insulating block and a plurality of second conductive terminals fixed in the second insulating block;

a plurality of first positioning pieces are arranged below the first insulating block, a plurality of second positioning pieces are arranged above the second insulating block, and the first positioning pieces and the second positioning pieces are matched to enable the first insulating block and the second insulating block to be connected in a seamless mode.

Preferably, a plurality of first caulking grooves are arranged below the first insulating block, and the first caulking grooves are communicated to the first conductive terminals; a plurality of second caulking grooves are formed above the second insulating block and communicated with the second conductive terminals; the first insulating block or/and the second insulating block are/is provided with a runner groove communicated with the first caulking groove and the second caulking groove, and conductive plastic enters from the runner groove and is filled into the first caulking groove and the second caulking groove so as to be communicated with the first conductive terminal and the second conductive terminal.

Furthermore, convex ribs are arranged above the first insulating block and below the second insulating block; insulating housing inner wall be provided with the second step face, insulating housing's top and below are provided with the trompil, are provided with the inclined plane on the afterbody wall of trompil department, first collets and second collets support and lean on the second step face, protruding muscle block in the trompil in.

The invention also discloses a cable connector, which comprises the connecting structure of the connector main body and the shell and a locking component, wherein the locking component is detachably arranged on the shell and used for locking with an external electronic system.

Preferably, the locking assembly comprises a pivot, a torsion spring and a pressing piece, mounting lugs are arranged on two sides of the bottom of the pressing piece, a shaft hole is formed in the vertical baffle, the torsion spring is mounted on the pivot, two ends of the pivot respectively penetrate through the mounting lugs of the pressing piece and are inserted into the shaft hole, one end of each of two torsion end surfaces of the torsion spring is abutted against the pressing piece, and the other end of each torsion end surface of the torsion spring is abutted against the shell; the front end of the pressing piece is provided with a locking part. By the arrangement of the locking component, the pressing elasticity of the pressing piece is better, and the installation and the disassembly are convenient.

Preferably, the shell on still be provided with the installation department, the installation department set up in preceding main part side or back main part tail end, the installation department on fix the shell on the external mounting panel through the screw firmware, shell below be provided with the reference column, reference column and external mounting panel location peg graft. By arranging the mounting part, the cable connector can be fixed outside, so that the influence caused by vibration and the like is reduced, and the reliable electric connection between the cable and an electronic system is ensured.

The shell further comprises a plurality of baffle plates, the baffle plates are connected to the outer portion of the front main body portion, and slots are formed between the baffle plates and the front main body portion.

The invention also discloses a connector assembly, which comprises an electronic system and the cable connector, wherein the electronic system is electrically connected with the electric contact body of the cable connector, and the upper end of the electronic system is connected with the locking assembly in a locking way.

The electronic system is a solid state disk. The solid state disk comprises an upper shell, a lower shell and a circuit board, wherein the upper shell is assembled and connected with the lower shell, the circuit board is installed between the upper shell and the lower shell, a clamping groove is formed in the upper surface of the upper shell, and the clamping groove is connected with a locking assembly of a cable connector.

Furthermore, the shell of the cable connector also comprises a plurality of baffle plates, the baffle plates are connected to the outside of the front main body part, and an insertion groove is formed between the baffle plates and the front main body part; the lower surface of the lower shell of the solid state disk is inwards concave, so that the upper shell and the front end part of the circuit board protrude, the front end of the upper shell is inserted into the slot, and the front end of the circuit board is inserted into the insulating shell and connected with the electric contact body.

The invention also discloses a production process of the cable connector, which is characterized by comprising the following steps: welding a cable at the tail part of the electric contact body; a first injection molding inner die is formed at the connecting part of the electric contact body and the cable through an external die in an injection molding mode; mounting the electrical contact in an insulating housing; installing the insulating shell and the first injection molding inner die into the shell; and injecting colloid into the glue injection hole formed in the shell, so that the colloid is filled between the inner wall of the shell and the first injection molding inner mold to form a second injection molding inner mold.

Preferably, the outer shell is further provided with a plurality of inverted buckle holes, and in step S4, the colloid is filled between the inner wall of the outer shell and the first injection molding inner mold and injected into the inverted buckle holes to form a second injection molding inner mold.

Preferably, the electric contact be conductive terminal group, conductive terminal group including first insulating block and the second insulating block of mutually supporting, first insulating block on be provided with a plurality of first caulking grooves, the second insulating block on be provided with a plurality of second caulking grooves, first insulating block or/and second insulating block on be provided with the runner groove of first caulking groove of intercommunication and second caulking groove, conductive terminal group's installation includes following step:

(1) a plurality of first conductive terminals are mounted on the first insulating block, and a plurality of second conductive terminals are mounted on the second insulating block.

(2) And fixedly connecting the first insulating block and the second insulating block in a positioning assembly manner.

(3) And injecting conductive plastic into the runner groove, so that the conductive plastic is filled into the first caulking groove and the second caulking groove to be communicated with the first conductive terminal and the second conductive terminal.

The first conductive terminal and the second conductive terminal respectively comprise a signal terminal and a ground terminal for transmitting a high-speed signal, and the first caulking groove and the second caulking groove are arranged at positions corresponding to the ground terminal.

Further, the method also comprises the following steps: and installing a locking assembly, and detachably installing the locking assembly above the shell.

Due to the adoption of the structure or the process method, the invention has the following beneficial effects:

1. according to the invention, the first injection molding internal mold and the second injection molding internal mold are formed through two times of injection molding, so that the connection strength among the cable, the contact body and the shell is improved, and the connection reliability is improved.

2. Through setting up the back-off hole on the casing for the colloid is annotated the back-off hole, and the centre form is moulded plastics to the second of formation, when the cable was toward pulling out outward, effectual improvement the holding power, connect more stably.

3. When the conductive terminal group is installed, the first insulating block and the second insulating block are installed firstly, and then the conductive plastic is injected, so that the conductive plastic can be completely filled, and the tight contact between the conductive plastic and the terminal is ensured. The ground terminals for transmitting high-speed signals are connected through the conductive plastic, so that backflow can be increased, and crosstalk can be reduced.

Drawings

Fig. 1 is a schematic structural view of a cable connector according to the present invention.

Fig. 2 is an exploded view of the cable connector.

Fig. 3 is a front view of the cable connector.

Fig. 4 is a schematic sectional view taken along line a-a of fig. 3.

Fig. 5 is a schematic sectional view B-B of fig. 3.

Fig. 6 is a schematic structural view of the housing.

Fig. 7 is another angular configuration of the housing.

Fig. 8 is a schematic structural view of the insulating housing.

Fig. 9 is another angle structure diagram of the insulation housing.

Fig. 10 is a schematic structural view of the conductive terminal group.

Fig. 11 is an exploded view of the conductive terminal set.

Fig. 12 is a cross-sectional view of the conductive terminal set.

Fig. 13 is a schematic view of a process flow for manufacturing the cable connector.

FIG. 14 is a schematic structural diagram of the second embodiment.

Fig. 15 is a schematic diagram of the connection between the cable connector and the solid state disk.

FIG. 16 is a schematic sectional view of the second embodiment.

Description of the main component symbols:

1: insulating housing, 11: stopper, 12: second step surface, 13: opening, 14: inclined plane, 15: boss, 16: groove, 2: conductive terminal group, 21: first terminal module, 211: first insulating block, 212: first conductive terminal, 213: first flow channel groove, 214: first caulking groove, 215: first positioning member, 22: second terminal module, 221: second insulating block, 222: second conductive terminal, 223: second flow channel groove, 224: second caulking groove, 225: second positioning member, 23: conductive plastic, 24: convex rib, 3: cable, 4: first injection inner die, 5: outer shell, 51: front body portion, 511: first accommodation chamber, 512: detent projection, 52: rear body portion, 521: second accommodation chamber, 522: glue injection hole, 523: back-off hole, 53: mounting portion, 531: mounting hole, 54: positioning column, 55: first step surface, 56: a baffle, 561: l-shaped baffle, 562: upper baffle, 57: slot, 571: l-shaped slot, 572: slot in line, 58: vertical baffle, 581: shaft hole, 6: second injection inner mold, 71: screw, 72: mounting support plate, 8: locking assembly, 81: pivot, 82: torsion spring, 83: pressing piece, 831: mounting lug, 832: texture, 833: lock hook, 9: solid state disk, 91: upper case, 911: card slot, 92: lower case, 93: a circuit board.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1 to 5, the present embodiment discloses a cable connector, including: connector body, shell and locking Assembly.

The connector main body comprises an insulation shell 1, an electric contact body 2, a cable 3 and a first injection molding inner die 4. The electric contact body 2 is arranged in the insulating shell 1, the electric contact body is a circuit board or a conductive terminal group 2, and the tail part of the electric contact body is connected with a cable 3. The first injection molding inner die 4 is coated at the joint of the electric contact body 2 and the cable 3.

As shown in fig. 10 to 12, the electrical contact in this embodiment is a conductive terminal group 2. The conductive terminal set 2 includes a first terminal module 21 and a second terminal module 22. The first terminal module 21 includes a first insulating block 211 and a plurality of first conductive terminals 212 fixed in the first insulating block 211. The second terminal module 22 includes a second insulating block 221 and a plurality of second conductive terminals 222 fixed in the second insulating block 221. A plurality of first positioning parts 215 are arranged below the first insulating block 211, a plurality of second positioning parts 225 are arranged above the second insulating block 221, and the first positioning parts 215 are connected with the second positioning parts 225 in a matched mode to enable the first insulating block 211 to be connected with the second insulating block 221 in a seamless mode. In this embodiment, the first positioning element 215 includes a positioning hole and a positioning pin, and the second positioning element 225 includes a corresponding positioning pin and a corresponding positioning hole, and the positioning connection is realized by pin-hole insertion fit.

Referring to fig. 12, a plurality of first flow channel grooves 213 filled with conductive plastic 23 and first caulking grooves 214 are disposed below the first insulating block 211, and the first caulking grooves 214 are connected to the first conductive terminals 212. A plurality of second flow grooves 223 and second grooves 224 filled with the conductive plastic 23 are disposed above the second insulating block 221, and the second grooves 224 are connected to the second conductive terminals 222. In other embodiments, only one set of channel slots may be provided, and the channel slots may be provided only below the first insulating block 211 or only above the second insulating block 221, so that the channel slots are connected to the two sets of caulking grooves.

The first insulating block 211 and the second insulating block 221 are assembled, and then the conductive plastic 23 is injection-molded into the first channel groove 213 and the second channel groove 223 under high pressure, so that the conductive plastic 23 is filled into the first caulking groove 214 and the second caulking groove 224 to connect the first conductive terminal 212 and the second conductive terminal 222. The first conductive terminal 212 and the second conductive terminal 222 are ground terminals for high speed signals, and the electrical performance can be improved after the first conductive terminal and the second conductive terminal are connected through the conductive plastic 23. In order to conveniently and flexibly set the high-speed signal terminal, rows of caulking grooves are reserved on the insulating block, and conductive plastic is filled according to the requirement.

As shown in fig. 8, stoppers 11 protrude from both sides of the tail of the insulating housing 1, and the stoppers 11 are located on both outer sides of the first terminal module 21 and the second terminal module 22 to protect the terminal modules.

As shown in fig. 10, ribs 24 are disposed above the first insulating block 211 and below the second insulating block 221. As shown in fig. 8 and 9, the inner wall of the insulating housing 1 is provided with a second step surface 12, openings 13 are provided above and below the insulating housing 1, a slope 14 is provided on the tail wall surface of the opening 13, and the positions of the slope 14 and the opening 13 correspond to the position of the rib 24. During installation, the conductive terminal group 2 is inserted into the insulating housing 1, so that the first insulating block 211 and the second insulating block 221 abut against the second step surface 12, and the convex rib 24 is guided into the opening 13 from the inclined surface 14 and clamped, thereby realizing clamping.

As shown in fig. 6 and 7, the housing 5 is at least partially fixed around the connector body. The housing 5 includes a front body 51, a rear body 52, and a mounting portion 53, and the front body 51 has a first accommodating chamber 511 for mounting the insulating housing 1 therein. The rear main body 52 extends from the rear of the front main body 51, and a second accommodating chamber 521 is provided inside the rear main body 52. The rear end of the rear main body 52 is open, one end of the cable 3 is located in the second receiving cavity 521 to be connected with the terminal, and the other end extends out of the opening. The housing 5 is made of a metal material, and the mounting portion 53 is disposed at a side end of the front body 51 or a side end of the rear body 52 or a rear end of the rear body 52. In this embodiment, the mounting portion 53 is provided at the side end of the rear body portion 52, the mounting portion 53 is provided with a mounting hole 531, and the housing 5 is fixed to the external mounting support plate 72 by the screw 71. A positioning column 54 is arranged below the shell 5, and the positioning column 54 is inserted with an external mounting support plate 72 in a positioning way.

A first step surface 55 is arranged at the joint of the second accommodating cavity 521 and the first accommodating cavity 511, a boss 15 is arranged at the rear end of the insulating shell 1, and the boss 15 is clamped on the first step surface 55. The first receiving cavity 511 is provided with two retaining protrusions 512 at two sides of the front end thereof, and the insulating housing 1 is provided with two grooves 16 corresponding to the retaining protrusions 512 at two sides of the front end thereof, as shown in fig. 8. The insulation housing 1 is inserted into the first receiving cavity 511, so that the groove 16 is embedded in the latch protrusion 512, and the boss 15 of the insulation housing 1 is latched on the first step surface 55.

In order to facilitate guiding the plugging of the electronic system, the housing 5 further includes a plurality of baffles 56, the baffles 56 are connected to the outside of the front main body 51, and a slot 57 is formed between the baffles 56 and the front main body 51. In this embodiment, the baffle 56 includes an L-shaped baffle 561 and an upper baffle 562 distributed on two sides of the front main body 51, an L-shaped slot 571 is formed between the L-shaped baffle 561 and the front main body 51, and the upper baffle 562 is located above the front main body 51 and forms a linear slot 572 with the front main body 51.

As shown in fig. 7, the side of the rear main body 52 is provided with a glue injection hole 522, and the glue injected from the glue injection hole 522 is filled between the inner wall of the second accommodating cavity 521 and the first injection inner mold 4 to form a second injection inner mold 6. A plurality of inverted holes 523 communicated with the second accommodating cavity 521 are formed around the rear main body part 52. Generally, at least two inverted holes 523 are provided above and below the rear main body portion 52 to ensure the overall strength. As shown in fig. 7, three inverted-buckle holes 523 are arranged above, three inverted-buckle holes 523 are also arranged below, and the inverted-buckle holes 523 are uniformly distributed. The glue injected from the glue injection hole 522 is filled between the inner wall of the second accommodating cavity 521 and the first injection-molded inner mold 4 and into the reverse-buckling hole 523 to form the second injection-molded inner mold 6. And injecting a colloid into one of the reverse-buckling holes 523 to fill the space between the inner wall of the second accommodating cavity 521 and the first injection-molded inner mold 4 and form a second injection-molded inner mold 6 in the reverse-buckling hole 523. The invention can improve the reliability of each step of working procedure by arranging the two layers of injection molding internal molds.

In other embodiments, the first injection inner mold 4 may not be provided for the sake of process simplification. After the tail of the electric contact in the insulating housing 1 is connected with the cable 3, the electric contact is directly installed in the housing 5, and the glue is injected from the glue injection hole 522 and filled into the second accommodating cavity 521 to cover the connection position of the electric contact and the cable and form an injection molding internal mold in the back-off hole 523.

Vertical baffles 58 are also disposed on both sides of the upper portion of the rear body 52, the vertical baffles 58 extend in a strip shape to be connected with the L-shaped baffle 561 and the upper baffle 562, and the locking assembly 8 is detachably mounted between the two vertical baffles 524. As shown in fig. 2, the locking assembly 8 includes a pivot 81, a torsion spring 82, and a pressing member 83. The two sides of the bottom of the pressing member 83 are provided with mounting lugs 831, the vertical baffle 58 is provided with a shaft hole 581, the torsion spring 82 is mounted on the pivot 81, and two ends of the pivot 81 respectively penetrate through the mounting lugs 831 of the pressing member 83 and are inserted into the shaft hole 581, so that one end of two torsional end surfaces of the torsion spring 82 is abutted against the pressing member 83, and the other end is abutted against the shell 5. The front end of the pressing member 83 is provided with a locking portion, and the upper surface of the pressing member 83 is provided with a texture 832 for facilitating pressing. The locking part is two locking hooks 833.

As shown in fig. 13, the present invention also discloses a production process of the cable connector, comprising the following steps:

s1, mounting a conductive terminal group

(1) A plurality of first conductive terminals are mounted on the first insulating block, and a plurality of second conductive terminals are mounted on the second insulating block.

(2) And fixedly connecting the first insulating block and the second insulating block in a positioning assembly manner.

(3) And injecting conductive plastic into the runner groove at high pressure, so that the conductive plastic is filled into the first caulking groove and the second caulking groove to be communicated with the first conductive terminal and the second conductive terminal. The first conductive terminal and the second conductive terminal respectively comprise a signal terminal and a ground terminal for transmitting high-speed signals, and the first caulking groove and the second caulking groove are arranged at positions corresponding to the ground terminal.

S2. welding the cable

The cable 3 is soldered to the tail of the conductive terminal set 2, so that the cable 3 is electrically connected to the first conductive terminal 212 and the second conductive terminal 222.

S3, forming a first injection inner die

And injection molding the first injection inner mold 4 at the connecting parts of the first conductive terminal 212 and the second conductive terminal 222 and the cable 3 by an external mold in a low-pressure injection manner.

S4, installing an insulating shell

The conductive terminal group 2 to which the cable is soldered is mounted in the insulating case 1. The conductive terminal group 2 is inserted into the insulating housing 1, so that the first insulating block 211 and the second insulating block 221 abut against the second step surface 12, and the convex rib 24 is guided into the opening 13 from the inclined surface 14 and clamped, thereby realizing clamping.

S5 installation shell

The insulating housing 1 and the first injection mold 4 are mounted into the outer shell 5. The insulating housing 1 is inserted into the first receiving cavity 511 of the housing 5, so that the groove 16 is embedded in the latch protrusion 512, and the boss 15 of the insulating housing 1 is latched on the first step surface 55.

S6 forming a second injection inner die

The glue is injected into the glue injection hole 522 formed in the outer shell 5 at a low pressure, so that the glue is filled between the inner wall of the outer shell 5 and the first injection inner mold 4 and into the reverse-buckling hole 523 to form the second injection inner mold 6, as shown in fig. 5.

S7, mounting a locking assembly: the pivot 81 firstly passes through one of the shaft holes 581, then is sleeved in the first side mounting lug 831 of the pressing member 83, the torsion spring 82 and the second side mounting lug 831 of the pressing member 83, and then passes through the shaft hole 581 at the other side.

Example two

As shown in fig. 14 to 16, the present embodiment discloses a connector assembly, which includes an electronic system and the cable connector of the first embodiment, wherein the electronic system is electrically connected to the electrical contact of the cable connector, and the upper end of the electronic system is connected to the locking assembly in a locking manner.

The electronic system in this embodiment is a Solid State Disk (SSD). The solid state disk 9 includes an upper case 91, a lower case 92, and a circuit board 93. The upper case 91 and the lower case 92 are assembled and connected, the circuit board 93 is installed between the upper case 91 and the lower case 92, and the upper surface of the upper case 91 is provided with a card slot 911.

As shown in fig. 15, the lower surface of the lower case 92 of the solid-state hard disk 9 is recessed inward so that the front end of the upper case 91 and the circuit board 93 protrude outward. The front end of the upper shell 91 is inserted into the slot 57, and the front end of the circuit board 93 is inserted into the conductive terminal set 2 and electrically connected to the first conductive terminal 212 and the second conductive terminal 222. The locking groove 911 is connected with the locking hook 833 of the cable connector in a locking manner.

As shown in fig. 16, in use, the cable connector is fixed to a mounting support plate 72 of an existing fixing device in a space having a large vibration environment. The positioning posts 54 are inserted into the positioning grooves of the mounting support plate 72 to achieve positioning, and then the housing 5 is locked to the mounting support plate 72 by the screws 71, so that the cable connector is integrally fixed to the mounting support plate 72. And finally, inserting the solid state disk 9 into a cable connector and locking the solid state disk to realize stable electric connection.

EXAMPLE III

The present embodiment discloses a cable connector, including: connector body, shell and locking Assembly. The connector body includes an electrical contact, a cable, a first injection molded inner mold. The electric contact is a circuit board, and the tail part of the circuit board is connected with a cable. The first injection molding inner mold coats the connection part of the circuit board and the cable. The housing is made of plastic material, the housing 5 includes a front main body 51 and a rear main body 52, and the interior of the front main body 51 is a first accommodating cavity 511 for mounting a circuit board. For convenience of installation, a guide groove may be provided in the first receiving cavity 511, and the circuit board may be inserted into the guide groove and fixed therein. The rear main body 52 extends from the rear of the front main body 51, and a second accommodating chamber 521 is provided inside the rear main body 52. The side of the rear main body 52 is provided with a glue injection hole 522, and the glue injected from the glue injection hole 522 is filled between the inner wall of the second accommodating cavity 521 and the first injection-molding inner mold 4 to form a second injection-molding inner mold 6. A plurality of inverted holes 523 communicated with the second accommodating cavity 521 are formed around the rear main body part 52. The glue injected from the glue hole 522 is filled between the inner wall of the second accommodating cavity 521 and the first injection-molded inner mold 4 and into the reverse-buckling hole 523 to form the second injection-molded inner mold 6.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.