A manufacturing process of RJ45 connector
Through the manufacturing process of RJ45 connectors, injection molding, bending and stamping technology are used to form a high-performance independent plug-in chamber, which solves the problems of low performance and inability to meet high-frequency transmission by existing electrical connectors, and achieves higher transmission rates and signal quality.
Patent Information
- Application Number
- CN202411985750.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-04-01
AI Technical Summary
The existing electrical connector has a simple structure, low coplanarity, which cannot meet the requirements of high-frequency transmission, and has a low transmission rate.
Using the manufacturing process of RJ45 connectors, the main body is formed by injection molding, and the terminals are placed multiple times, the injection molded terminal assembly is combined with the main body, and the spacer and fixing member are stamped to form an independent and sealed plug-in chamber.
Improve the performance of the connector, avoid terminal offset, isolate the influence of adjacent plug-in cavity, and enhance signal transmission quality and anti-interference ability.
Smart Images

Figure CN119742644A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of electrical connectors, and more specifically, to a manufacturing process of an RJ45 connector. Background Art
[0002] Computers are usually physically connected to peripheral electronic devices through various electrical connectors. Therefore, data connectors are indispensable components in electronic devices. They build a bridge of communication between blocked or isolated circuits in the circuit, so that current can flow and the circuit can achieve its intended function.
[0003] Existing electrical connectors are generally composed of three parts: an iron shell, a one-time molded semi-finished product, and an integrated terminal. Existing products have a simple structure and low coplanarity, and can only meet the requirements of low-frequency transmission. In addition, the transmission rate is low and cannot meet the requirements of high-frequency transmission. Summary of the invention
[0004] The technical problem to be solved by the present invention is that the product has a simple structure and low performance. In view of the above-mentioned defects of the prior art, a manufacturing process of an RJ45 connector is provided.
[0005] The technical solution adopted by the present invention to solve its technical problem is:
[0006] A manufacturing process for an RJ45 connector is constructed, wherein the steps include:
[0007] Step 1: injection molding into a main body, wherein the main body is formed with a plug-in cavity, a terminal slot and a spacer slot;
[0008] Step 2: Bend the preset upper terminal and lower terminal for the first time to obtain a bent terminal;
[0009] Step 3: performing a secondary bending on the bent terminal;
[0010] Step 4: stacking the bent terminals to form stacked terminals;
[0011] Step 5: injection molding the laminated terminal and the preset terminal base to obtain a terminal assembly;
[0012] Step 6: bend the terminal assembly three times to obtain a first contact end and a second contact end;
[0013] Step 7: stamping the spacer into shape;
[0014] Step 8: injection molding the spacer and the preset spacer fixing seat to obtain a spacer assembly;
[0015] Step nine: Assembling the spacer and the main body;
[0016] Step 10: Assembling the terminal assembly with the main body;
[0017] Step 11: stamping a fixing piece, and installing and fixing the spacer by the fixing piece;
[0018] Step 12: stamping and forming the shell, wherein the shell is formed with a recess corresponding to the plug-in cavity.
[0019] Furthermore, the step of injection molding into the main body includes:
[0020] The main body is formed with a first buckle, a second buckle hole and a fixing column.
[0021] Furthermore, after the step of first bending the preset upper terminal and the lower terminal, the method further comprises:
[0022] The material strips at both ends of the bent terminal are cut off respectively by a preset cutting device.
[0023] Furthermore, after the step of injection molding the laminated terminal and the preset terminal base to obtain the terminal assembly, the following steps are included:
[0024] The material strips at both ends of the terminal assembly are cut and removed by the cutting device;
[0025] The bent terminal is bent three times to obtain the first contact end and the second contact end; and the terminal assembly is placed in the terminal slot, and is electrically connected to an external device through the first contact end, and is electrically connected to a preset board end through the second contact end.
[0026] Furthermore, the step of stamping the spacer also includes:
[0027] The spacer includes a first spacer and a second spacer, and the spacers are respectively formed with a fixing portion and an extending portion, and the first spacer is also formed with an elastic fixing sheet.
[0028] Furthermore, after the step of stamping the spacer, the following steps are included:
[0029] bending the first spacer;
[0030] The spacer is placed in the spacer slot and connected to the fixing member and the housing respectively through the fixing part.
[0031] Furthermore, the step of injection molding the spacer and the preset spacer fixing seat to obtain the spacer assembly includes:
[0032] The second spacer and the spacer fixing seat constitute the spacer assembly, and the material strips at both ends of the spacer assembly are cut and removed by the cutting device; wherein the spacer fixing seat is formed with a notch and a second buckle, and is engaged with the second buckle through the second buckle.
[0033] Furthermore, after the step of stamping the spacer, the following steps are included:
[0034] Connecting with an external device via the extension portion;
[0035] connected with the fixing member via the fixing portion;
[0036] The elastic fixing sheet is fixed by engaging with the notch.
[0037] Furthermore, in the step of stamping the fixing piece, the following steps are included:
[0038] The fixing piece is formed with a positioning hole, a plurality of abutting portions and an overlapping structure;
[0039] Connected with the fixing column through the positioning hole;
[0040] The abutment parts are respectively connected with the fixing parts;
[0041] The housing is connected to the housing via the overlapping structure.
[0042] Furthermore, in the step of stamping and forming the shell, it includes:
[0043] A through hole and a first clamping hole are formed in the shell;
[0044] connected with the second spacer through the through hole;
[0045] The first buckle is engaged with the first buckle through the first buckle hole.
[0046] The beneficial effects of the present invention are as follows: by bending the preset upper terminal and lower terminal multiple times and stacking them, and then injection molding the stacked terminals and the terminal base into an integrated structure, the terminal displacement caused by external or internal factors when the connector is working is avoided; the terminal plug-in cavity is separated by a partition, the plug-in cavity is separated up and down by the first partition, and the plug-in cavity is separated left and right by the second partition, so that the plug-in cavity of each terminal is an independent and closed plug-in cavity, which is isolated from the influence of adjacent plug-in cavities; the partition is connected to the shell through a fixing part, wherein a fixing part is also formed on the partition, and the terminal assembly is further fixed in the main body through the fixing part. BRIEF DESCRIPTION OF THE DRAWINGS
[0047] Figure 1 is a process flow chart of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0048] Figure 2 It is a three-dimensional diagram of the main body of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0049] Figure 3 is a three-dimensional diagram from another perspective of the main body of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0050] Figure 4 is a three-dimensional diagram of another embodiment of a main body of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0051] Figure 5 It is a three-dimensional diagram of an upper terminal and a lower terminal of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0052] Figure 6 It is a schematic diagram of the assembly of the upper terminal and the lower terminal of an RJ45 connector in one embodiment of the present invention;
[0053] Figure 7 It is a schematic diagram of assembling upper terminals and lower terminals of another embodiment of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0054] Figure 8 It is a three-dimensional diagram of a terminal assembly of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0055] Fig. 9 is a three-dimensional diagram of a terminal assembly of another embodiment of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0056] Fig.10 is a three-dimensional diagram of a first spacer of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0057] Fig.11 is a three-dimensional diagram of a second spacer of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0058] Fig.12 is a three-dimensional diagram of a spacer assembly of a manufacturing process of an RJ45 connector according to an embodiment of the present invention;
[0059] Fig.13 is a three-dimensional diagram of a fixing part of a manufacturing process of an RJ45 connector according to an embodiment of the present invention;
[0060] Fig.14 It is a front view of a housing of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0061] Fig.15is a three-dimensional diagram of a shell of a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0062] Fig.16 It is a schematic diagram of the assembly of a terminal assembly, a spacer assembly and a fixing member in a manufacturing process of an RJ45 connector in one embodiment of the present invention;
[0063] Fig.17 The present invention is a schematic diagram of the overall assembly of an RJ45 connector according to a manufacturing process of the connector in an embodiment of the present invention.
[0064] Description of reference numerals: main body 110, first buckle 111, second clamping hole 112, terminal slot 113, spacer slot 114, fixing column 115, plug-in cavity 116;
[0065] Terminal 120, upper terminal 121, lower terminal 122, terminal base 123, first contact end 124, second contact end 125, first bend 126, bent terminal 1261, second bend 127, third bend 128, terminal assembly 129;
[0066] Spacer 130, first spacer 131, elastic fixing sheet 1311, second spacer 132, spacer fixing seat 133, notch 1331, second buckle 1332, spacer assembly 134, fixing portion 135, extension portion 136;
[0067] A fixing member 140, an abutting portion 141, a lap structure 142, and a positioning hole 143;
[0068] The housing 150 , the recess 151 , the through hole 152 , and the first locking hole 153 . DETAILED DESCRIPTION
[0069] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.
[0070] Please refer to the attached Figure 1-Figure 17 The present invention proposes a manufacturing process of an RJ45 connector, comprising the following steps:
[0071] Step 1: injection molding into a main body 110, wherein the main body 110 is formed with a plug cavity 116, a terminal slot 113 and a spacer slot 114;
[0072] Step 2: Performing a first bending 126 on the preset upper terminal 121 and the lower terminal 122 to obtain a bent terminal 1261;
[0073] Step 3: Perform secondary bending 127 on the bent terminal 1261;
[0074] Step 4: stacking the bent terminals 1261 to form stacked terminals;
[0075] Step 5: Injection-molding the laminated terminal and the preset terminal base 123 to obtain a terminal assembly 129;
[0076] Step 6: bend the terminal assembly 129 three times 128 to obtain a first contact end 124 and a second contact end 125;
[0077] Step 7: stamping the spacer 130;
[0078] Step 8: Injection-molding the spacer 130 and the preset spacer fixing seat 133 to obtain a spacer assembly 134;
[0079] Step nine: Assemble the spacer 130 and the main body 110;
[0080] Step 10: Assemble the terminal assembly 129 and the main body 110;
[0081] Step 11: stamping and forming the fixing member 140, and installing and fixing the spacer 130 through the fixing member 140;
[0082] Step 12: stamping the housing 150 , wherein the housing 150 is formed with a recess 151 corresponding to the plug-in cavity 116 .
[0083] In this embodiment, during the step of injection molding the main body 110, the main body 110 is formed with a plug-in cavity 116, a terminal slot 113, a spacer slot 114, a first buckle 111, and a second card hole 112, and the terminal slot 113 and the spacer slot 114 are arranged at intervals, wherein the spacer slot 114 includes a first spacer slot and a spacer fixing seat slot. The upper terminal 121 and the lower terminal 122 are respectively obtained by cutting and stamping the raw materials of the terminal, and the bent terminal 1261 is respectively first bent 126, and the bending direction of the first bend 126 is parallel to the horizontal direction in which the terminal 120 is arranged. The material strips at both ends of the bent terminal 1261 after the first bend 126 are cut by a preset cutting device; after the material strips are cut, the bent terminal 1261 is bent a second time 127, and the bending direction is perpendicular to the arrangement direction of the terminal 120, and then the bent terminal 1261 after the second bend 127 is stacked to make the installation space of the terminal 120 smaller, and the stacked terminal 120 and the preset base are injection molded into an integral structure to form a terminal assembly 129. The material strips at both ends of the terminal assembly 129 are cut and removed by the cutting device, and the terminal assembly 129 is bent a third time 128, and the bending direction of the third bend 128 is perpendicular to the arrangement direction of the terminal 120, and after the third bend 128, the first contact terminal 124 and the second contact terminal 125 are obtained. The terminal assembly 129 is assembled with the terminal slot 113 of the main body 110 , and the connector is electrically connected to the external device through the plug cavity 116 , specifically, electrically connected to the external device through the first contact terminal 124 , and electrically connected to the preset board terminal through the second contact terminal 125 .
[0084] The spacer 130 is formed by stamping, wherein the spacer 130 includes a first spacer 131 and a second spacer 132. The second spacer 132 and the preset spacer fixing seat 133 are injection molded into an integral structure to form a spacer assembly 134, and then the material strips at both ends of the spacer assembly 134 are cut and removed by a cutting device, and the spacer assembly 134 is assembled with the spacer fixing seat slot of the main body 110. The spacer fixing seat 133 is formed with a notch 1331 and a second buckle 1332. After the spacer assembly 134 is assembled with the spacer fixing seat slot along the assembly direction, the second buckle 1332 of the spacer fixing seat 133 is engaged with the second clamping hole 112 on the main body 110. The first spacer 131 is assembled with the first spacer slot to separate the upper terminal slot 113 and the lower terminal slot 113 of the terminal 120. In the step of stamping the spacer 130, the first spacer 131 and the second spacer 132 are respectively formed with an extension portion 136 and a fixing portion 135. The first spacer 131 is also formed with an elastic fixing sheet 1311, and is engaged with the notch 1331 of the spacer fixing seat 133 on the spacer assembly 134 through the elastic fixing sheet 1311. The fixing member 140 is formed by stamping, and the spacer assembly 134 and the first spacer 131 are further fixed by the fixing member 140.
[0085] The shell 150 is formed by stamping, wherein the shell 150 is formed with a through hole 152, a first clamping hole 153 and a recess 151 corresponding to the insertion cavity 116, and the first clamping hole 153 is located on the side adjacent to the recess 151. When the main body 110 and the shell 150 are assembled, the through hole 152 cooperates with the fixing portion 135 on the second spacer 132, and the first clamping hole 153 is engaged with the first clamping buckle 111 on the bottom of the main body 110. The insertion cavity 116 of the main body 110 corresponds to the recess 151 of the shell 150, and then the side adjacent to the recess 151 is bent so that the first clamping buckle 111 on the bottom of the main body 110 can be engaged with the first clamping hole 153 on the side of the shell 150.
[0086] The housing 150 , the spacer 130 and the fixing member 140 are respectively made of metal materials.
[0087] Please refer to Figure 2-Figure 4 The step of injection molding the main body 110 includes: the main body 110 is molded with a first buckle 111, a second clamping hole 112 and a fixing column 115.
[0088] In the specific implementation: in the step of injection molding into the main body 110, the main body 110 is molded with a first buckle 111, a second clamping hole 112 and a fixing column 115. The spacer assembly 134 is assembled with the spacer fixing seat slot formed on the main body 110 along the assembly direction, wherein the spacer fixing seat 133 is molded with a notch 1331 and a second buckle 1332, and the second buckle 1332 of the spacer fixing seat 133 is engaged with the second clamping hole 112 on the main body 110, so that the spacer assembly 134 is fixed in the spacer fixing seat slot. The fixing member 140 and the main body 110 are fixed mainly by fixing the fixing column 115 on the main body 110. Among them, the fixing member 140 is molded with a positioning hole 143, and is fixed by the engagement of the positioning hole 143 with the fixing column 115. The main body 110 is assembled in the stamped shell 150, and the first buckle 111 is engaged with the first clamping hole 153 on the stamped shell 150.
[0089] Please refer to Figure 5-Figure 7 After the step of performing the first bending 126 on the preset upper terminal 121 and the lower terminal 122 , the method further includes: cutting the material strips at both ends of the bent terminal 1261 by a preset cutting device.
[0090] In the specific implementation: the preset upper terminal 121 and lower terminal 122 are obtained by cutting and stamping the raw materials of the terminal, and the upper terminal 121 and the lower terminal 122 are first bent 126 to obtain a bent terminal 1261, and the upper terminal 121 and the lower terminal 122 are bent in opposite directions. After the first bending 126, the spacing between adjacent terminals 120 is increased, and the parallel length of the terminal 120 is reduced. After the first bending 126, the material strips at both ends of the bent terminal 1261 after the first bending 126 are cut off by a preset cutting device, so as to perform a second bending 127 on the bent terminal 1261. The direction of the second bending 127 is perpendicular to the arrangement direction of the terminals 120, so that part of the terminal 120 at one end of the bent terminal 1261 is located in different planes, thereby increasing the spacing between the terminals 120 and 120.
[0091] Please refer to Figure 8-Figure 9 , after the step of injection molding the laminated terminal 120 and the preset terminal base 123 to obtain the terminal assembly 129, it includes: cutting and removing the material strips at both ends of the terminal assembly 129 by a cutting device; bending the bent terminal 1261 three times 128 to obtain a first contact end 124 and a second contact end 125; and placing the terminal assembly 129 in the terminal slot 113, and electrically connecting it to an external device through the first contact end 124, and electrically connecting it to a preset board end through the second contact end 125.
[0092] In the specific implementation: the material strips at both ends of the bent terminal 1261 after the first bend 126 are cut off, and the bent terminal 1261 is bent for the second time 127, and then the bent terminal 1261 is stacked to form a stacked terminal 120, and then the stacked terminal 120 and the preset base are injection molded into an integral structure to obtain a terminal assembly 129, and the material strips at both ends of the terminal assembly 129 are cut and removed by a cutting device. After the material strips are cut and removed, the bent terminal 1261 is bent for the third time 128 to obtain a first contact terminal 124 and a second contact terminal 125, which are electrically connected to an external device through the first contact terminal 124, and electrically connected to a preset board terminal through the second contact terminal 125. Among them, the first contact end 124 is bent upward or downward along a direction perpendicular to the arrangement of the terminals 120, and the bending angle is greater than 90°; the second contact end 125 is bent downward along a direction perpendicular to the arrangement of the terminals 120, and the bending angle is equal to 90°, and the bent terminal 1261 forms parallel and equal-length lines with part of the terminals 120 on one side close to the second contact end 125 at the third bend 128, effectively improving the transmission quality of the signal and reducing the impact of external electromagnetic interference on the signal.
[0093] Please refer to Figure 10-11 The step of stamping the spacer 130 also includes: the spacer 130 includes a first spacer 131 and a second spacer 132, and the spacer 130 is respectively formed with a fixing portion 135 and an extending portion 136, and the first spacer 131 is also formed with an elastic fixing sheet 1311.
[0094] In specific implementation: the spacer 130 includes a first spacer 131 and a second spacer 132, and the spacer 130 is formed by stamping, wherein the first spacer 131 is bent, and the second spacer 132 is not bent, so that the first spacer 131 is L-shaped, and is assembled with the first spacer slot, used to separate the upper terminal slot 113 and the lower terminal slot 113, so as to prevent the terminal assembly 129 in the upper terminal slot 113 from affecting the terminal assembly 129 in the lower terminal slot 113 during operation. The second spacer 132 is injection-molded into an integral structure with the preset spacer fixing seat 133, and is assembled with the spacer fixing seat slot on the main body 110, so as to separate the left and right terminal slots 113 of the main body 110.
[0095] Please refer to Figure 10-11 After the step of stamping the spacer 130 , the method includes: bending the first spacer 131 ; placing the spacer 130 in the spacer slot 114 , and connecting the spacer 130 to the fixing member 140 and the housing 150 respectively through the fixing portion 135 .
[0096] In a specific implementation, after the step of stamping the spacer 130, the first spacer 131 is formed with an extension portion 136 and an elastic fixing piece 1311; the first spacer 131 is bent so that the first spacer 131 is L-shaped, the extension portion 136 and the elastic fixing piece 1311 of the first spacer 131 are located in the same bending surface, and the elastic fixing piece 1311 is located on both sides of the extension portion 136 of the first spacer 131. The second spacer 132 is formed with an extension portion 136, the second spacer 132 is not bent, and the extension portion 136 of the second spacer 132 is arranged on one side of the second spacer 132. The first septum 131 and the second septum 132 are respectively formed with fixing parts 135, and are respectively connected to the fixing member 140 and the housing 150 through the fixing parts 135, and the fixing part 135 of the first septum 131 is located in the other bending surface of the first septum, and is arranged opposite to the extension part 136 of the first septum 131; the fixing part 135 of the second septum 132 is located on both sides of the extension part 136 of the second septum 132. The septum 130 is placed in the septum slot 114, and is respectively fixed to the fixing member 140 and the housing 150 through the fixing parts 135 of the septum 130.
[0097] Please refer to Figure 11-Figure 12 The spacer 130 and the preset spacer fixing seat 133 are injection molded to obtain the spacer assembly 134, including: the second spacer 132 and the spacer fixing seat 133 constitute the spacer assembly 134, and the material strips at both ends of the spacer assembly 134 are cut and removed by a cutting device; wherein the spacer fixing seat 133 is formed with a notch 1331 and a second buckle 1332, and is engaged with the second clamping hole 112 through the second buckle 1332.
[0098] In the specific implementation: during the injection molding step of the spacer fixing seat 133, the spacer fixing seat 133 is also formed with a notch 1331 and a second buckle 1332, and the second spacer 132 in the spacer 130 and the spacer fixing seat 133 constitute a spacer assembly 134, and the material strips at both ends of the spacer assembly 134 are cut and removed by a cutting device. When the spacer assembly 134 is assembled with the spacer fixing seat slot, the second buckle 1332 on the spacer fixing seat 133 is engaged with the second clamping hole 112 on the main body 110. During the stamping step of the first spacer 131 and the second spacer 132 in the spacer 130, the first spacer 131 and the second spacer 132 are respectively formed with an extension portion 136 and a fixing portion 135, and the first spacer 131 is also formed with an elastic fixing sheet 1311. When the spacer 130 is assembled, the fixing portion 135 is connected to the fixing member 140 and the housing respectively, and the elastic fixing piece 1311 abuts against the second spacer 132 on the spacer fixing seat 133 and engages with the notch 1331. The first spacer 131 is used to separate the upper terminal slot 113 from the lower terminal slot 113 on the main body 110, and the second spacer 132 is used to separate the left terminal slot 113 from the right terminal slot 113 on the main body 110, so that the terminal slots 113 on the main body 110 form an independent plug-in cavity 116, so that the terminals 120 in the adjacent plug-in cavities 116 do not affect each other when the connector is working.
[0099] Please refer to Fig.10 and Fig.12 , after the step of stamping the spacer 130, comprising:
[0100] Connect and fix with external device through extension part 136;
[0101] Connected to the fixing member 140 via the fixing portion 135;
[0102] The elastic fixing sheet 1311 is engaged and fixed with the notch 1331 .
[0103] In the specific implementation: in the step of stamping the spacer 130, the first spacer 131 and the second spacer 132 are respectively formed with an extension portion 136 and a fixing portion 135, wherein the first spacer 131 also includes an elastic fixing sheet 1311. In the step of assembling the spacer 130 with the main body 110, the first spacer 131 is assembled into the first spacer slot, wherein the extension portion 136 of the first spacer 131 is assembled outside the main body 110, so that the extension portion 136 of the first spacer 131 is connected and fixed to the external device, and is connected to the fixing member 140 through the fixing portion 135 of the first spacer 131, and the elastic fixing sheet 1311 on the first spacer 131 is engaged with the notch 1331 on the spacer fixing seat 133, so that the first spacer 131 is fixed in the main body 110. After the spacer assembly 134 and the terminal assembly 129 are respectively assembled with the main body 110 , the fixing portions 135 on both sides of the extension portion 136 of the second spacer 132 are respectively connected with the fixing member 140 and the housing 150 .
[0104] Please refer to Fig.13 and Fig.16 In the step of stamping the fixing part 140, the steps include: forming a positioning hole 143, a plurality of abutting portions 141 and a lap structure 142 on the fixing part 140; connecting with the fixing column 115 through the positioning hole 143; connecting with the fixing parts 135 respectively through the abutting portions 141; and connecting with the housing 150 through the lap structure 142.
[0105] In the specific implementation: in the step of stamping the fixing member 140, a positioning hole 143, a plurality of abutting portions 141 and an overlap structure 142 are formed on the fixing member 140. The positioning holes 143 are specifically located at both ends of the fixing member 140, and a fixing column 115 corresponding to the shape of the positioning hole 143 is formed on the main body 110, and the fixing member 140 is fixed to the main body 110 by snapping the positioning hole 143 and the fixing column 115. Among them, the abutting portion 141 corresponds to the fixing portion on one side of the spacer 130, and is respectively connected to the fixing portion of the first spacer 131 and the fixing portion of the second spacer 132 through the abutting portion 141, wherein the connection methods include but are not limited to snap-on connection, riveting, crimping, plug-in connection and welding. It is connected to the housing 150 through the overlap structure 142, and the connection methods include but are not limited to spring-type contact, snap-on connection and welding.
[0106] Please refer to Fig.14 , Fig.15 and Fig.17 , in the step of stamping and forming the housing 150, including:
[0107] A through hole 152 and a first locking hole 153 are formed in the housing 150 . The housing 150 is connected to the second spacer 132 via the through hole 152 , and is engaged with the first buckle 111 via the first locking hole 153 .
[0108] In the specific implementation: in the step of stamping the shell 150, the shell 150 is formed with a through hole 152 and a first clamping hole 153 and a recess 151 corresponding to the plug-in cavity 116, and the through hole 152 is located in the plane opposite to the recess 151, and is matched with the fixing part on the second spacer 132 through the through hole 152, wherein the matching method includes but is not limited to snap-on, riveting, crimping, plug-in and welding. The first clamping hole 153 is located in the side adjacent to the recess 151; in the step of injection molding the main body 110, the main body 110 is formed with a first clamp 111, and is located at the bottom of the main body 110. When the main body 110 and the shell 150 are assembled, the plug-in cavity 116 of the main body 110 corresponds to the recess 151 of the shell 150, and then the side adjacent to the recess 151 is bent so that the first clamp 111 on the bottom of the main body 110 can be engaged with the first clamping hole 153 of the shell 150. The housing 150 is also formed with an extension portion, and is connected and fixed to an external device via the extension portion.
[0109] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, device, article or method including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, device, article or method. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the presence of other identical elements in the process, device, article or method including the element.
[0110] The above description is only a preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present application.
Claims
1. A manufacturing process of an RJ45 connector, characterized in that: The following steps are involved: Step 1: injection molding into a main body, wherein the main body is formed with a plug-in cavity, a terminal slot and a spacer slot; Step 2: Bend the preset upper terminal and lower terminal for the first time to obtain a bent terminal; Step 3: performing a secondary bending on the bent terminal; Step 4: stacking the bent terminals to form stacked terminals; Step 5: injection molding the laminated terminal and the preset terminal base to obtain a terminal assembly; Step 6: bend the terminal assembly three times to obtain a first contact end and a second contact end; Step 7: stamping the spacer into shape; Step 8: injection molding the spacer and the preset spacer fixing seat to obtain a spacer assembly; Step nine: Assembling the spacer and the main body; Step 10: Assembling the terminal assembly with the main body; Step 11: stamping a fixing piece, and installing and fixing the spacer by the fixing piece; Step 12: stamping and forming the shell, wherein the shell is formed with a recess corresponding to the plug-in cavity.
2. The manufacturing process of the RJ45 connector according to claim 1, characterized in that: The step of injection molding into the main body comprises: The main body is formed with a first buckle, a second buckle hole and a fixing column.
3. The manufacturing process of the RJ45 connector according to claim 2, characterized in that: After the step of first bending the preset upper terminal and the lower terminal, the method further comprises: The material strips at both ends of the bent terminal are cut off respectively by a preset cutting device.
4. The manufacturing process of the RJ45 connector according to claim 3, characterized in that: After the step of injection molding the laminated terminal and the preset terminal base to obtain the terminal assembly, the method further comprises: The material strips at both ends of the terminal assembly are cut and removed by the cutting device; The bent terminal is bent three times to obtain the first contact end and the second contact end; and the terminal assembly is placed in the terminal slot and electrically connected to an external device through the first contact end; The second contact end is electrically connected to the preset board end.
5. The manufacturing process of the RJ45 connector according to claim 4, characterized in that: The step of punching the spacer also includes: The spacer includes a first spacer and a second spacer, and the spacers are respectively formed with a fixing portion and an extending portion, and the first spacer is also formed with an elastic fixing sheet.
6. The manufacturing process of the RJ45 connector according to claim 5, characterized in that: After the step of punching the spacer, the method further comprises: bending the first separator; The spacer is placed in the spacer slot and connected to the fixing member and the housing respectively through the fixing part.
7. The manufacturing process of the RJ45 connector according to claim 6, characterized in that: The step of injection molding the spacer and the preset spacer fixing seat to obtain the spacer assembly includes: The second spacer and the spacer fixing seat constitute the spacer assembly, and the material strips at both ends of the spacer assembly are cut and removed by the cutting device; wherein the spacer fixing seat is formed with a notch and a second buckle, and is engaged with the second buckle through the second buckle.
8. The manufacturing process of the RJ45 connector according to claim 7, characterized in that: After the step of punching the spacer, the method further comprises: Connecting with an external device via the extension portion; connected with the fixing member via the fixing portion; The elastic fixing sheet is fixed by engaging with the notch.
9. The manufacturing process of the RJ45 connector according to claim 8, characterized in that: The step of stamping the fixing member comprises: The fixing piece is formed with a positioning hole, a plurality of abutting portions and an overlapping structure; Connected with the fixing column through the positioning hole; The abutment parts are respectively connected with the fixing parts; The housing is connected to the housing via the overlapping structure.
10. The manufacturing process of the RJ45 connector according to claim 9, characterized in that: The step of stamping and forming the shell includes: A through hole and a first clamping hole are formed in the shell; connected with the second spacer through the through hole; The first buckle is engaged with the first buckle through the first buckle hole.