A stable shielded cable connector

Abstract

The present invention relates to a stable shielded cable connector, and relates to the field of stable shielded cable connection equipment, including a shielding outer shell, a shielding inner shell, a main cable shielding container and a ground wire connector, wherein the shielding outer shell has a main cable installation channel, a main cable installation cavity is arranged in the main cable installation channel, the shielding inner shell is plugged and fixed in the main cable installation cavity, and has at least one group of branch cable installation units, the cable installation unit has a branch cable installation channel, a shielding container is arranged in the branch cable installation channel, the main cable shielding container is plugged and fixed in the main cable installation cavity, the ground wire connector is plugged and fixed in the main cable installation cavity, and the electrical connector is plugged and fixed in the installation cavity. The present invention increases the branch cable installation unit, independently shields different branch cables, effectively filters out interfering electromagnetic waves, avoids interference between different branch cables, and improves the shielding performance of the shielded cable connector.

Description

Technical Field

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

[0002] Shielded cable is a type of cable that prevents external electromagnetic interference. It has a wide range of applications and can be used as a signal transmission cable or a cable that combines power transmission and signal transmission.

[0003] like Figure 1 A shielded cable is shown, which usually has multiple stranded cables. The stranded cables can be used as power cables and signal cables. A layer of main cable shielding layer is designed in the sheath of the main cable. At the same time, in order to avoid signal interference between the stranded cables, the sheath of the stranded cables also has a layer of sub-cable shielding layer. The existing cable connectors are cumbersome to install and difficult to operate.

[0004] In order to solve the above technical problems, a shielded twisted pair conductor connector is disclosed in the patent with application number CN202011353779.7, which was filed on November 26, 2020. Although this solution can solve the problem of difficult assembly, since the connector only has an outer isolation layer, the induced current may interfere with the end of the split cable, causing unstable signal transmission. Summary of the invention

[0005] In view of this, the purpose of the present invention is to provide a stable shielded cable connector to solve the problem that the shielded cable connector only has an outer isolation layer, and the induced current may cause interference through the ends of the branched cables, resulting in unstable signal transmission.

[0006] Based on the above-mentioned purpose, the present invention provides a stable shielded cable connector, comprising a shielding shell, having a main cable installation channel axially penetrating the shielding shell, a main cable installation cavity is arranged in the main cable installation channel; a shielding inner shell, plugged and fixed in the main cable installation cavity, having at least one group of branch cable installation units, the cable installation unit having a branch cable installation channel axially penetrating the shielding inner shell, a branch cable shielding accommodating cavity for fixing branch cables is arranged in the branch cable installation channel; a main cable shielding accommodating part, plugged and fixed in the main cable installation cavity, in conflict with the shielding inner shell, having a main cable shielding groove for accommodating the main cable shielding layer; a ground wire connector, plugged and fixed in the main cable installation cavity, one end of which is electrically connected to the main cable shielding accommodating part, and the other end is electrically connected to the ground wire; an electrical connector, plugged and fixed in the main cable installation cavity, the end of the branch cable core passes through the main cable shielding accommodating part, the branch cable installation unit is connected to one end of the electrical connector.

[0007] In an optional example, the shielding shell includes a shell one and a shell two connected in sequence, the shell one is provided with a first shell groove axially, a main cable through hole penetrating the shell one is axially provided in the first shell groove, a second shell groove is provided with an axially provided on the shell two, an electrical through hole penetrating the shell two is axially provided in the second shell groove, the first shell groove and the second shell groove are combined to form a main cable installation cavity, and the first shell groove, the main cable through hole, the second shell groove and the electrical through hole are combined to form a main cable installation channel.

[0008] In an optional example, the shielding inner shell includes an inner shell base, the inner shell base is axially provided with at least one first inner shell groove matching the branch cable installation unit, the first inner shell groove is axially provided with a first cable distribution hole, the branch cable installation unit includes a branch positioning seat and a branch fixing ring, the branch positioning seat is fixedly connected to the first inner shell groove by plugging, the branch positioning seat is provided with a second cable distribution hole for fixing the branch cable, the second cable distribution hole is provided with a branch through groove penetrating the branch positioning seat, the end of the branch cable passes through the first cable distribution hole and the branch through groove, and is electrically connected to the electrical connector, an extrusion fixing block is provided on the branch through groove, the branch fixing ring is connected to the branch positioning seat by a threaded connection, the inner wall of the branch fixing ring can interfere with the extrusion fixing block, so that the extrusion fixing block moves toward the direction close to the center of the second cable distribution hole.

[0009] In an optional example, a connecting flange extending away from the strand positioning seat is provided on the outer wall of the strand positioning seat, an external thread matching the strand fixing ring is provided on the outer wall of the connecting flange, a strand positioning seat is provided with a strand flange on one end facing the inner shell base, an L-shaped plug-in slot is provided on the inner wall of the first inner shell groove, a plug-in block matching the plug-in slot is provided on the outer wall of the strand flange, the plug-in block can slide along the plug-in slot to fix the strand positioning seat to the inner shell base, a strand shielding accommodating slot for accommodating the branch cable shielding layer is provided on the end of the strand flange facing the inner shell base, a first strand shielding through slot penetrating the strand flange is provided on the outer wall of the strand flange, a second strand shielding through slot penetrating the connecting flange is provided on the outer wall of the connecting flange, the first strand shielding through slot and the second strand shielding through slot are connected to the strand shielding accommodating slot, and are combined to form a cable shielding accommodating chamber.

[0010] In an optional example, the main cable shielding container is annular in shape, the main cable shielding groove is opened at one end of the main cable shielding container facing the inner shell base, the inner wall of the main cable shielding groove is opened with a plurality of main cable sub-grooves connected with the main cable shielding groove, the main cable sub-grooves are arranged in an arc shape with the center of the main cable shielding container, a limiting flange 1 for limiting the movement of the main cable shielding layer is arranged in the main cable sub-grooves, and a limiting flange 2 for limiting the movement of the main cable shielding layer is arranged in the main cable shielding groove.

[0011] In an optional example, the total cable shielding container also includes an insulating positioning ring, a conductive positioning block and a conductive connecting piece. The insulating positioning ring is plugged and fixed in the first outer shell groove and conflicts with the bottom of the first outer shell groove. The insulating positioning ring has a positioning and installation channel. The total cable shielding container and the conductive positioning block are plugged and fixed in the positioning and installation channel. The conductive positioning block is axially provided with a conductive positioning groove that penetrates the conductive positioning block. The inner shell base is plugged and fixed in the conductive positioning groove. The strand positioning seat and the strand fixing ring can pass through the conductive positioning groove. One end of the conductive connecting piece conflicts with the total cable shielding container, and the other end of the conductive connecting piece conflicts with the inner shell base.

[0012] In an optional example, a shielding connection part is provided on the outer wall of the main cable shielding container, a shielding connection hole is provided on the shielding connection part, a positioning hole is provided on the insulating positioning ring, an electrical bolt is inserted into the positioning hole, an end of the electrical bolt passes through the shielding connection hole, and is connected to the ground wire connector by a threaded connection, so that the shielding connection part is in conflict with the ground wire connector.

[0013] In an optional example, a ground wire groove is axially opened on the insulating positioning ring, and the ground wire groove is connected with the inner cavity of the insulating positioning ring. The shielding connection part and the outer wall of the main cable shielding container have a clamping space with a certain distance. One end of the ground wire connector passes through the ground wire groove and extends into the clamping space. The other end of the ground wire connector is provided with a U-shaped ground wire clamping part. A threaded hole is opened on the ground wire clamping part, and a ground wire bolt for connecting the ground wire is installed in the threaded hole through a threaded connection.

[0014] In an optional example, an insulating positioning block is inserted into the electrical through hole, one end of the insulating positioning block is in conflict with the insulating positioning ring, and the other end of the insulating positioning block is in conflict with the second shell, and a plurality of insulating through holes are axially opened on the insulating positioning block and penetrate the insulating positioning block, and the electrical connector is inserted into the insulating through hole.

[0015] In an optional example, a guide connection portion that interferes with the main cable shielding container is provided on the outer wall of the conductive connecting piece, and a guide groove matching the guide connection portion is axially opened at the end of the conductive positioning groove, and the conductive connecting piece is integrally formed by a bending process.

[0016] The beneficial effects of the present invention are as follows: by adding a branch cable installation unit, different branch cables are shielded independently, interfering electromagnetic waves are effectively filtered out, interference between different branch cables is avoided, and the shielding performance of the shielded cable connector is improved. The shielding layer of the branch cable is fixed by using the branch cable shielding accommodating cavity, which facilitates the rapid installation of the shielded cable connector. At the same time, the main cable shielding accommodating part is in conflict with the shielding inner shell to form an electrical connection, which can save the structural space of the shielded cable connector and reduce the volume of the shielded cable connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of the shielded cable;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of an embodiment of the present invention;

[0020] Figure 3 Schematic diagram of the exploded structure of the electrical connector in the embodiment of the present invention;

[0021] Figure 4 Schematic diagram of the explosion structure of an embodiment of the present invention Figure 1 ;

[0022] Figure 5 is a cross-sectional view of an embodiment of the present invention;

[0023] Figure 6 is a cross-sectional view of a shielding shell according to an embodiment of the present invention;

[0024] Figure 7 Schematic diagram of the explosion structure of the present invention Figure 2 ;

[0025] Figure 8 It is a schematic diagram of the exploded structure of the split cable installation unit in an embodiment of the present invention;

[0026] Fig. 9 This is a three-dimensional schematic diagram of a strand splitting and positioning seat in an embodiment of the present invention;

[0027] Fig.10 It is a three-dimensional schematic diagram of a split-strand fixing ring in an embodiment of the present invention;

[0028] Fig.11 is a three-dimensional schematic diagram of a main cable shielding accommodation member in an embodiment of the present invention;

[0029] Fig.12 A schematic diagram of the connection relationship of the insulating positioning ring in an embodiment of the present invention;

[0030] Fig.13 A schematic diagram of the connection relationship of the ground wire connector in an embodiment of the present invention;

[0031] Fig.14 is a three-dimensional schematic diagram of an insulating positioning ring in an embodiment of the present invention;

[0032] Fig.15 It is a three-dimensional schematic diagram of an insulating positioning block in an embodiment of the present invention;

[0033] Fig.16 Schematic diagram of the exploded structure of the conductive connecting sheet in the embodiment of the present invention Figure 1 ;

[0034] Fig.17 Schematic diagram of the exploded structure of the conductive connecting sheet in the embodiment of the present invention Figure 2 .

[0035] The markings in the figure are: 1. Shielding shell; 101. General cable installation channel; 102. General cable installation cavity; 11. Shell 1; 111. First shell groove; 112. General cable through hole; 12. Shell 2; 121. Second shell groove; 122. Electrical through hole; 2. Shielding inner shell; 2101. Branch cable installation channel; 2102. Branch cable shielding accommodating cavity; 21. Branch cable installation unit; 211. Branch positioning seat; 212. Branch fixing ring; 213. Second branch cable hole; 214. Branch through groove; 215. Extrusion fixing block; 216. Connecting flange; 2161. Second branch shielding through groove; 217. Branch flange; 2171. Branch shielding accommodating groove; 2172. First branch shielding through groove; 218. External thread; 219, plug-in slot; 2110, plug-in block; 22, inner shell base; 221, first inner shell slot; 222, first branch cable hole; 3, main cable shielding container; 31, main cable shielding slot; 32, main cable branch slot; 33, limiting flange one; 34, limiting flange two; 35, shielding connection part; 351, shielding connection hole; 4, grounding connector; 41, grounding clamping part; 42, threaded hole; 43, grounding bolt; 5, electrical connector; 6, insulating positioning ring; 61, positioning installation channel; 62, positioning hole; 63, electrical bolt; 64, grounding through slot; 7, conductive positioning block; 71, conductive positioning slot; 72, guide slot; 8, conductive connecting piece; 81, guide connection part; 9, insulating positioning block; 91, insulating through hole. DETAILED DESCRIPTION

[0036] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0037] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0038] In one embodiment, see Figures 1 to 5 As shown, the present invention provides a stable shielded cable connector, comprising: a shielding outer shell 1, a shielding inner shell 2, a main cable shielding container 3, a grounding connector 4 and an electrical connector 5.

[0039] The shielding shell 1 has a main cable installation channel 101 that runs through the shielding shell 1 axially, and a main cable installation cavity 102 is provided in the main cable installation channel 101. The shielding shell 1 is made of anti-interference materials, such as iron alloy, copper alloy, etc.

[0040] The shielding inner shell 2 is plugged and fixed in the main cable installation cavity 102, and has at least one group of branch cable installation units 21. The cable installation unit has a branch cable installation channel 2101 that axially penetrates the shielding inner shell 2. A branch cable shielding accommodating cavity 2102 for fixing branch cables is provided in the branch cable installation channel 2101. The shielding inner shell 2 is made of anti-interference materials, such as iron alloy, copper alloy, etc.

[0041] The main cable shielding container 3 is inserted and fixed in the main cable installation cavity 102, and conflicts with the shielding inner shell 2, and has a main cable shielding groove 31 for accommodating the main cable shielding layer. The main cable shielding container 3 is made of anti-interference materials, such as iron alloy, copper alloy, etc.; the main cable shielding container 3 conflicts with the shielding inner shell 2 and forms an electrical connection.

[0042] The grounding connector 4 is inserted and fixed in the main cable installation cavity 102, one end of which is electrically connected to the main cable shielding container 3, and the other end of which is electrically connected to the grounding wire. The grounding connector 4 is made of anti-interference materials, such as iron alloy, copper alloy, etc.

[0043] The electrical connector 5 is inserted and fixed in the main cable installation cavity 102, and the end of the cable core of the branch cable passes through the main cable shielding container 3, and the branch cable is connected to one end of the electrical connector 5. The electrical connector 5 is made of conductive material, such as copper alloy, etc. The electrical connector 5 is connected to the cable core of the branch cable by pressurizing and deforming; the other end of the electrical connector 5 is electrically connected to an external device.

[0044] Specifically, in this example, by adding a branch cable installation unit 21, different branch cables are shielded independently, effectively filtering out interfering electromagnetic waves, avoiding interference between different branch cables, and improving the shielding performance of the shielded cable connector. The branch cable shielding accommodating cavity 2102 is used to fix the shielding layer of the branch cable, which is convenient for the rapid installation of the shielded cable connector. At the same time, the main cable shielding container 3 is in contact with the shielding inner shell 2 to form an electrical connection, which can save the structural space of the shielded cable connector and reduce the volume of the shielded cable connector.

[0045] In an alternative example, see Figures 1 to 6 As shown, in order to reduce the difficulty of disassembly and assembly of the shielded cable connector, the shielding shell 1 includes a shell 11 and a shell 2 12 which are connected in sequence. The shell 11 is axially provided with a first shell groove 111, and a main cable through hole 112 which penetrates the shell 11 is axially provided in the first shell groove 111. The shell 2 12 is axially provided with a second shell groove 121, and an electrical through hole 122 which penetrates the shell 2 12 is axially provided in the second shell groove 121. The first shell groove 111 and the second shell groove 121 are combined to form a main cable installation cavity 102, and the first shell groove 111, the main cable through hole 112, the second shell groove 121 and the electrical through hole 122 are combined to form a main cable installation channel 101. Among them, the first shell groove 111 is arranged toward the second shell groove 121; the shell 1 11 and the shell 2 12 can be connected in any detachable manner, such as by threaded connection, by bolt connection or clamping, etc., preferably, the shell 1 11 and the shell 2 12 connected by bolts have good structural strength and clamping force.

[0046] Specifically, this example facilitates the installation of the internal structure of the shielded cable connector by splitting the shielding shell 1 into two parts, reduces the difficulty of disassembling and assembling the shielded cable connector, and improves the efficiency of disassembling and assembling the shielded cable connector.

[0047] In an alternative example, see Figures 1 to 9As shown, in order to improve the efficiency of disassembly and assembly of the shielded cable connector, the shielding inner shell 2 includes an inner shell base 22, and at least one first inner shell groove 221 matching the branch cable installation unit 21 is axially opened on the inner shell base 22, and a first cable distribution hole 222 is axially opened in the first inner shell groove 221. The branch cable installation unit 21 includes a branch positioning seat 211 and a branch fixing ring 212. The branch positioning seat 211 is fixedly connected to the first inner shell groove 221 by plugging, and a second branch hole 222 for fixing the branch cable is opened in the branch positioning seat 211. The cable hole 213, the second cable hole 213 is provided with a branching groove 214 that penetrates the branching positioning seat 211, the end of the branching cable passes through the first cable hole 222 and the branching groove 214, and is fixedly connected to the electrical connector 5, and an extrusion fixing block 215 is provided on the branching groove 214, and the branching fixing ring 212 is connected to the branching positioning seat 211 by a threaded connection. The inner wall of the branching fixing ring 212 can be in conflict with the extrusion fixing block 215, so that the extrusion fixing block 215 moves toward the direction close to the center of the second cable hole 213.

[0048] Specifically, this example splits the stranded cable installation unit 21 into a strand positioning seat 211 and a strand fixing ring 212, so that each stranded cable can be independently fixed and installed, which is convenient for the disassembly and assembly of the shielded cable connector and improves the disassembly and assembly efficiency of the shielded cable connector. At the same time, the strand fixing ring 212 is connected to the strand positioning seat 211 by a threaded connection, so that the extrusion fixing block 215 is squeezed with the outer wall of the stranded cable, and the stranded cable is fixed by the extrusion force, thereby realizing the rapid installation of the stranded cable and improving the disassembly and assembly efficiency of the stranded cable.

[0049] In an alternative example, see Figures 1 to 10As shown, in order to improve the efficiency of disassembly and assembly of the shielded cable connector, a connecting flange 216 extending in a direction away from the connecting flange 211 is provided on the outer wall of the connecting flange 216, and an external thread 218 matching the connecting flange 212 is provided on the outer wall of the connecting flange 216. A connecting flange 217 is provided on one end of the connecting flange 211 facing the inner shell base 22, an L-shaped plug-in groove 219 is provided on the inner wall of the first inner shell groove 221, and a plug-in block 2110 matching the plug-in groove 219 is provided on the outer wall of the connecting flange 217. The plug-in block 2110 can slide along the plug-in groove 219. The splitting positioning seat 211 is fixed to the inner shell base 22, and a splitting shielding accommodating groove 2171 for accommodating the branch cable shielding layer is provided at one end of the splitting flange 217 facing the inner shell base 22, a first splitting shielding through groove 2172 penetrating the splitting flange 217 is provided on the outer wall of the splitting flange 217, and a second splitting shielding through groove 2161 penetrating the connecting flange 216 is provided on the outer wall of the connecting flange 216, the first splitting shielding through groove 2172, the second splitting shielding through groove 2161 are connected to the splitting shielding accommodating groove 2171, and are combined to form a split cable shielding accommodating cavity 2102. Among them, an internal thread is provided on the inner wall of the splitting fixing ring 212.

[0050] Specifically, in this example, the L-shaped plug-in slot 219 cooperates with the plug-in block 2110 so that the strand positioning seat 211 and the inner shell base 22 can be quickly disassembled and assembled by plugging, thereby improving the efficiency of disassembly and assembly of the shielded cable connector. At the same time, the external thread 218 cooperates with the strand fixing ring 212 to achieve rapid installation of the strand fixing ring 212, further improving the efficiency of disassembly and assembly of the shielded cable connector.

[0051] In an alternative example, see Figures 1 to 11 As shown, in order to improve the efficiency of disassembly and assembly of the shielded cable connector, the main cable shielding container 3 is annular, and the main cable shielding groove 31 is opened at one end of the main cable shielding container 3 facing the inner shell base 22. The inner wall of the main cable shielding groove 31 is provided with a plurality of main cable sub-grooves 32 connected with the main cable shielding groove 31. The main cable sub-grooves 32 are arranged in an arc shape with the center of the main cable shielding container 3. The main cable sub-grooves 32 are provided with a limiting flange 1 33 for limiting the movement of the main cable shielding layer, and the main cable shielding groove 31 is provided with a limiting flange 2 34 for limiting the movement of the main cable shielding layer. The main cable shielding groove 31 is provided with a limiting flange 2 34 for limiting the movement of the main cable shielding layer. The main cable shielding layer is sheared and split into several parts during the installation process. Since the main cable shielding layer is usually flexible, it can be combined into several bundles by curling. The bundles are extended from the main cable sub-grooves 32 to the main cable shielding groove 31 by insertion. At the same time, the limiting flange 1 33 and the limiting flange 2 34 are used to limit the movement of the bundles.

[0052] Specifically, this example achieves the storage of the main cable shielding layer through the cooperation of the main cable sub-groove 32 and the main cable shielding groove 31, reduces the difficulty of storing the main cable shielding layer, reduces the installation time of the shielded cable connector, improves the efficiency of disassembly and assembly of the shielded cable connector, and utilizes the limiting flange 1 33 and the limiting flange 2 34 to limit the movement of the main cable shielding layer, thereby ensuring the stability of the connection between the main cable shielding layer and the ground wire.

[0053] In an alternative example, see Figures 1 to 11 As shown, in order to improve the efficiency of disassembly and assembly of the shielded cable connector, the main cable shielding container 3 also includes an insulating positioning ring 6, a conductive positioning block 7 and a conductive connecting piece 8. The insulating positioning ring 6 is plugged and fixed in the first outer shell groove 111 and conflicts with the bottom of the first outer shell groove 111. The insulating positioning ring 6 has a positioning and installation channel 61. The main cable shielding container 3 and the conductive positioning block 7 are plugged and fixed in the positioning and installation channel 61 in sequence. The conductive positioning block 7 is axially provided with a conductive positioning groove 71 that penetrates the conductive positioning block 7. The inner shell base 22 is plugged and fixed to the bottom of the conductive positioning groove 71. The branch positioning seat 211 and the branch fixing ring 212 can pass through the conductive positioning groove 71. One end of the conductive connecting piece 8 conflicts with the main cable shielding container 3, and the other end of the conductive connecting piece 8 conflicts with the inner shell base 22. Among them, the insulating positioning ring 6 is arranged on the side facing the cable, and the inner shell base 22 is arranged on the side away from the cable; a clamping block arranged towards the inner shell base 22 is arranged on the outer wall of the conductive connecting piece 8, and a clamping groove matching the clamping block is opened on the outer wall of the inner shell base 22.

[0054] Specifically, this example uses the insulating positioning ring 6, the conductive positioning block 7 and the conductive connecting piece 8 to enable the main cable shielding layer and the branch shielding layer to be operated in steps, thereby avoiding mutual interference between the main cable shielding layer and the branch shielding layer when they are fixed, reducing the installation difficulty of the shielded cable connector, and improving the disassembly and assembly efficiency of the shielded cable connector.

[0055] In an alternative example, see Figures 1 to 13 As shown, in order to ensure the working stability of the shielded cable connector, a shielding connection part 35 is provided on the outer wall of the main cable shielding container 3, a shielding connection hole 351 is provided on the shielding connection part 35, and a positioning hole 62 is provided on the insulating positioning ring 6. An electrical bolt 63 is rotatably inserted into the positioning hole 62, and the end of the electrical bolt 63 passes through the shielding connection hole 351 and is connected to the grounding connector 4 by threaded connection, so that the shielding connection part 35 conflicts with the grounding connector 4. Among them, the electrical bolt 63 is made of anti-interference material, such as iron alloy, copper alloy, etc.

[0056] Specifically, in this example, the shielding connection part 35 is connected to the electrical bolt 63 so that the shielding connection part 35 can be electrically connected to the ground connection part 4, thereby ensuring the working stability of the shielded cable connector, and the installation method is simple and easy to operate.

[0057] In an alternative example, see Figures 1 to 14 As shown, in order to facilitate the electrical connection between the ground wire and the main cable shielding container 3, a ground wire through groove 64 is axially provided on the insulating positioning ring 6, and the ground wire through groove 64 is connected to the inner cavity of the insulating positioning ring 6. The shielding connection part 35 and the outer wall of the main cable shielding container 3 have a clamping space with a certain spacing. One end of the ground wire connector 4 passes through the ground wire through groove 64 and extends into the clamping space. The other end of the ground wire connector 4 is provided with a U-shaped ground wire clamping part 41, and a threaded hole 42 is provided on the ground wire clamping part 41. A ground wire bolt 43 for connecting the ground wire is installed in the threaded hole 42 by threaded connection. Among them, the ground wire bolt 43 is made of anti-interference material, such as iron alloy, copper alloy, etc.

[0058] Specifically, in this example, the external ground wire is inserted into the ground wire clamping portion 41, and the ground wire bolt 43 is rotated to clamp the ground wire, thereby achieving a quick connection between the ground wire and the main cable shielding container 3, and ensuring the working stability of the shielded cable connector.

[0059] In an alternative example, see Figures 1 to 15 As shown, an insulating positioning block 9 is inserted into the electrical through hole 122, one end of the insulating positioning block 9 is in conflict with the insulating positioning ring 6, and the other end of the insulating positioning block 9 is in conflict with the shell 12, and a plurality of insulating through holes 91 that penetrate the insulating positioning block 9 are axially opened on the insulating positioning block 9, and the electrical connector 5 is inserted into the insulating through hole 91.

[0060] Specifically, in this example, when the outer shell 11 and the outer shell 2 12 are fixed, the shielding inner shell 2 and the main cable shielding container 3 are fixed through the interference between the insulating positioning block 9, the insulating positioning ring 6 and the outer shell 2 12, thereby reducing the installation difficulty of the shielded cable connector and improving the disassembly and assembly efficiency of the shielded cable connector.

[0061] In an alternative example, see Figures 1 to 17 As shown, the outer wall of the conductive connecting piece 8 is provided with a guide connecting portion 81 that contacts the main cable shielding receiving part 3, and the end of the conductive positioning groove 71 is provided with a guide groove 72 that matches the guide connecting portion 81 along the axial direction, and the conductive connecting piece 8 is integrally formed by a bending process. Among them, the guide connecting portion 81 has a certain elasticity.

[0062] Specifically, in this example, when the insulating positioning block 9 conflicts with the insulating positioning ring 6 and the outer shell 12, the guide connection part 81 can produce a certain deformation, ensuring that the electrical connector 5 fixedly connected to the branch cable can be expanded and contracted within a certain range during installation, thereby avoiding the problem of difficult installation caused by the branch cable being too long or too short.

[0063] Assembly process of stable shielded cable connector:

[0064] S1: The operator passes the main cable through the housing 11 and the insulating positioning ring 6, and fixes the main cable shielding layer in the main cable shielding groove 31;

[0065] S2: The operator inserts the main cable shielding container 3 into the housing 11, then strips the ground wire from the main cable and fixes it with the ground wire connector 4;

[0066] S3: The operator fixedly connects the ground wire connector 4 to the main cable shielding container 3, and then passes the remaining part of the main cable stripped of the main cable shielding layer through the conductive positioning block 7;

[0067] S4: The operator passes the split cable through the conductive connecting piece 8 and the inner shell base 22, and then passes the split cable harness through the split positioning seat 211, and then screws the split fixing ring 212 into the outer wall of the split positioning seat 211 until the split cable is fixed;

[0068] S5: The operator fixes the cable core of the split cable to the electrical connector 5, and then inserts the electrical connector 5 into the insulating positioning block 9;

[0069] S6: Finally, the operator screws in the bolts to fix the second housing 12 and the first housing 11.

[0070] In general, the present invention increases the branch cable installation unit 21 to independently shield different branch cables, effectively filter out interfering electromagnetic waves, avoid interference between different branch cables, and improve the shielding performance of the shielded cable connector. In addition, by splitting the branch cable installation unit 21 into a branch positioning seat 211 and a branch fixing ring 212, each branch cable can be independently fixed and installed, which is convenient for disassembly and assembly of the shielded cable connector and improves the disassembly and assembly efficiency of the shielded cable connector. At the same time, the branch fixing ring 212 is connected to the branch positioning seat 211 by a threaded connection, so that the extrusion fixing block 215 and the outer wall of the branch cable are squeezed and fixed to the branch cable, thereby realizing the rapid installation of the branch cable and improving the disassembly and assembly efficiency of the branch cable.

[0071] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0072] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A stable shielded cable connector, characterized in that: include: The shielding shell (1) has a main cable installation channel (101) which penetrates the shielding shell (1) along the axial direction, and a main cable installation cavity (102) is arranged in the main cable installation channel (101); A shielding inner shell (2) is inserted and fixed in the main cable installation cavity (102), and has at least one group of branch cable installation units (21), wherein the cable installation unit has a branch cable installation channel (2101) axially penetrating the shielding inner shell (2), and a branch cable shielding accommodating cavity (2102) for fixing branch cables is arranged in the branch cable installation channel (2101); A main cable shielding accommodating member (3) is inserted and fixed in the main cable installation cavity (102), contacts the shielding inner shell (2), and has a main cable shielding groove (31) for accommodating the main cable shielding layer; A ground wire connector (4) is plugged and fixed in the main cable installation cavity (102), one end of which is electrically connected to the main cable shielding container (3) and the other end of which is electrically connected to the ground wire; The electrical connector (5) is plugged and fixed in the main cable installation cavity (102), and the end of the branch cable core passes through the main cable shielding container (3), the branch cable installation unit (21) and is connected to one end of the electrical connector (5).

2. The stable shielded cable connector according to claim 1, characterized in that: The shielding shell (1) comprises a shell one (11) and a shell two (12) connected in sequence, the shell one (11) being provided with a first shell groove (111) along the axial direction, the first shell groove (111) being provided with a main cable through hole (112) penetrating the shell one (11) along the axial direction, the shell two (12) being provided with a second shell groove (121) along the axial direction, the second shell groove (121) being provided with an electrical through hole (122) penetrating the shell two (12) along the axial direction, the first shell groove (111) and the second shell groove (121) being combined to form a main cable installation cavity (102), the first shell groove (111), the main cable through hole (112), the second shell groove (121) and the electrical through hole (122) being combined to form a main cable installation channel (101).

3. The stable shielded cable connector according to claim 2, characterized in that: The shielding inner shell (2) comprises an inner shell base (22); at least one first inner shell groove (221) matching with the branch cable installation unit (21) is axially provided on the inner shell base (22); a first cable distribution hole (222) is axially provided in the first inner shell groove (221); the branch cable installation unit (21) comprises a branch positioning seat (211) and a branch fixing ring (212); the branch positioning seat (211) is fixedly connected to the first inner shell groove (221) by plugging; a second cable distribution hole (213) for fixing the branch cable is provided in the branch positioning seat (211); the second branch cable fixing ring (212) is provided in the second branch positioning seat (211); A branching groove (214) penetrating the branching positioning seat (211) is provided in the cable hole (213); the end of the branching cable passes through the first branching cable hole (222) and the branching groove (214), and is electrically connected to the electrical connector (5); an extrusion fixing block (215) is provided on the branching groove (214); the branching fixing ring (212) is connected to the branching positioning seat (211) by threaded connection; the inner wall of the branching fixing ring (212) can contact the extrusion fixing block (215), so that the extrusion fixing block (215) moves toward the center of the second branching cable hole (213).

4. The stable shielded cable connector according to claim 3, characterized in that: The outer wall of the splitting positioning seat (211) is provided with a connecting flange (216) extending in a direction away from the splitting positioning seat (211); the outer wall of the connecting flange (216) is provided with an external thread (218) matching the splitting fixing ring (212); the end of the splitting positioning seat (211) facing the inner shell base (22) is provided with a splitting flange (217); the inner wall of the first inner shell groove (221) is provided with an L-shaped plug-in groove (219); the outer wall of the splitting flange (217) is provided with a plug-in block (2110) matching the plug-in groove (219); the plug-in block (2110) can slide along the plug-in groove (219) so that the splitting positioning seat (211) can be connected to the inner shell base (221) and the splitting flange (217 ... The seat (211) is fixed to the inner shell base (22); one end of the branch flange (217) facing the inner shell base (22) is provided with a branch shielding accommodating groove (2171) for accommodating the branch cable shielding layer; the outer wall of the branch flange (217) is provided with a first branch shielding through groove (2172) penetrating the branch flange (217); the outer wall of the connecting flange (216) is provided with a second branch shielding through groove (2161) penetrating the connecting flange (216); the first branch shielding through groove (2172) and the second branch shielding through groove (2161) are connected to the branch shielding accommodating groove (2171) and are combined to form a branch cable shielding accommodating cavity (2102).

5. The stable shielded cable connector according to claim 4, characterized in that: The total cable shielding container (3) is annular in shape, the total cable shielding groove (31) is opened at one end of the total cable shielding container (3) facing the inner shell base (22), the inner wall of the total cable shielding groove (31) is opened with a plurality of total cable sub-grooves (32) connected to the total cable shielding groove (31), the total cable sub-grooves (32) are arranged in an arc shape with the center of the total cable shielding container (3), the total cable sub-grooves (32) are provided with a limiting flange 1 (33) for limiting the movement of the total cable shielding layer, and the total cable shielding groove (31) is provided with a limiting flange 2 (34) for limiting the movement of the total cable shielding layer.

6. The stable shielded cable connector according to claim 5, characterized in that: The main cable shielding container (3) also includes an insulating positioning ring (6), a conductive positioning block (7) and a conductive connecting piece (8). The insulating positioning ring (6) is inserted and fixed in the first outer shell groove (111) and contacts the bottom of the first outer shell groove (111). The insulating positioning ring (6) has a positioning installation channel (61). The main cable shielding container (3) and the conductive positioning block (7) are inserted and fixed in the positioning installation channel (61). The conductive positioning block (7) is axially provided with a conductive positioning groove (71) that penetrates the conductive positioning block (7). The inner shell base (22) is inserted and fixed in the conductive positioning groove (71). The branch positioning seat (211) and the branch fixing ring (212) can pass through the conductive positioning groove (71). One end of the conductive connecting piece (8) contacts the main cable shielding container (3), and the other end of the conductive connecting piece (8) contacts the inner shell base (22).

7. The stable shielded cable connector according to claim 6, characterized in that: A shielding connection part (35) is provided on the outer wall of the main cable shielding container (3), a shielding connection hole (351) is provided on the shielding connection part (35), a positioning hole (62) is provided on the insulating positioning ring (6), an electrical bolt (63) is inserted into the positioning hole (62), an end of the electrical bolt (63) passes through the shielding connection hole (351) and is connected to the grounding connection part (4) by means of a threaded connection, so that the shielding connection part (35) is in conflict with the grounding connection part (4).

8. The stable shielded cable connector according to claim 7, characterized in that: The insulating positioning ring (6) is provided with a ground wire groove (64) along the axial direction, and the ground wire groove (64) is connected to the inner cavity of the insulating positioning ring (6). The shielding connection part (35) and the outer wall of the main cable shielding container (3) have a clamping space with a certain spacing. One end of the ground wire connector (4) passes through the ground wire groove (64) and extends into the clamping space. The other end of the ground wire connector (4) is provided with a U-shaped ground wire clamping part (41). A threaded hole (42) is provided on the ground wire clamping part (41), and a ground wire bolt (43) for connecting the ground wire is installed in the threaded hole (42) by means of threaded connection.

9. The stable shielded cable connector according to claim 8, characterized in that: An insulating positioning block (9) is inserted into the electrical through hole (122), one end of the insulating positioning block (9) abuts against the insulating positioning ring (6), and the other end of the insulating positioning block (9) abuts against the second shell (12). The insulating positioning block (9) is provided with a plurality of insulating through holes (91) penetrating the insulating positioning block (9) along the axial direction, and the electrical connector (5) is inserted into the insulating through hole (91).

10. The stable shielded cable connector according to claim 9, characterized in that: A guide connection portion (81) that contacts the main cable shielding container (3) is provided on the outer wall of the conductive connecting piece (8); a guide groove (72) that matches the guide connection portion (81) is axially opened at the end of the conductive positioning groove (71); and the conductive connecting piece (8) is integrally formed by a bending process.

Images