Industrial connector

Abstract

The utility model relates to an industrial connector, which comprises a male connector clip and a female connector clip which are connected in a pluggable manner, and the rear end of the male connector clip is provided with a plugging part. The female plug connector comprises a female end conductive terminal assembly, a first waterproof ferrule which sleeves the outer wall surface of the female end conductive terminal assembly, and a first female plug socket and a second female plug socket which are selectively connected with the female end conductive terminal assembly in a buckling manner; a female socket external thread used for fixing the female plug connector is formed on the periphery of the cylinder part of the second female plug socket; a plurality of fixed mounting holes for fixing the female plug connectors are formed in the first female plug socket; according to the female plug connector, different female plug sockets can be conveniently selected according to different use requirements, then the female plug sockets can be better fixed, the universality is good, in addition, through the first waterproof ferrule, the waterproof performance between the assembled female end conductive terminal assembly and the corresponding female plug socket is improved, and the service life of the female plug connector is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of industrial connector technology, and in particular to an industrial connector. Background Technology

[0002] Industrial connectors are auxiliary electronic devices used to connect cables. They are used to connect the two ends of a cable to achieve electrical connection and allow for interlocking. Due to their excellent performance, they are widely used in new energy vehicles, machinery and equipment and other fields.

[0003] However, existing industrial connectors on the market can only provide connection functions. They have simple structures and poor stability of plug and socket connections, making them prone to loosening. To ensure connection stability, existing methods use screws to lock the plug and socket together. While this method ensures the stability of the connection, it is not convenient for subsequent quick connection and disconnection operations, and the operation steps are cumbersome and time-consuming.

[0004] The existing sockets have an integral structure where the conductive terminals and the socket body are integrated, making them non-disassembly and non-repairable. If the socket body is damaged, the entire unit must be replaced. Furthermore, if the socket body is no longer suitable for the current installation environment, the entire unit must be replaced to adapt to that environment.

[0005] Therefore, in this utility model patent application, the applicant has carefully researched an industrial connector to solve the above-mentioned problems. Utility Model Content

[0006] This utility model addresses the shortcomings of the existing technology mentioned above. Its main purpose is to provide an industrial connector that allows for the selection of different female connectors according to different usage requirements, thereby better securing the female connectors. It has good versatility. Furthermore, the first waterproof sleeve improves the waterproofness between the assembled female conductive terminal assembly and the corresponding female connector, extending the service life of the female connector.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] An industrial connector includes a pluggable male connector and a female connector, wherein the rear end of the male connector has a plug portion.

[0009] The female connector includes a female conductive terminal assembly, a first waterproof sleeve fitted onto the outer wall of the female conductive terminal assembly, and a first female connector and a second female connector that can be selectively snapped together to connect the female conductive terminal assembly.

[0010] The first female connector is provided with several fixing holes for fixing the female connector;

[0011] The front ends of the first female connector and the second female connector are both recessed to the rear to form a mating groove for the mating part. The front end of the female conductive terminal assembly extends into the mating groove of the first female connector or the second female connector to form a female mating block.

[0012] Both the first female connector and the second female connector have a protruding cylindrical portion on their rear end faces. The outer periphery of the cylindrical portion of the second female connector has a female external thread for fixing the female connector.

[0013] The rear end face of the cylindrical part is recessed forward with a first groove, the first groove is connected to the insertion slot, and the inner wall of the connection between the first groove and the insertion slot is formed with a first limiting step.

[0014] The outer wall surface of the female conductive terminal assembly is provided with a second limiting step along its circumference. The first waterproof sleeve is located behind the second limiting step. When the female conductive terminal assembly extends from the first groove into the insertion groove, the second limiting step abuts against the first limiting step. The female conductive terminal assembly is sealed to the inner wall of the first groove through the first waterproof sleeve.

[0015] The rear section of the female conductive terminal assembly is snap-fit ​​connected to the cylindrical part of the first female connector or the second female connector.

[0016] As a preferred embodiment, the female conductive terminal assembly includes a terminal fixing shell and a plurality of female conductive terminals mounted on the terminal fixing shell;

[0017] The front section of the terminal fixing shell extends into the insertion groove of the first female socket or the second female socket to form a female end mating block;

[0018] The first waterproof sleeve is fitted onto the outer wall of the terminal fixing shell, the second limiting step is formed on the outer wall of the terminal fixing shell, and the rear section of the terminal fixing shell is snap-fitted to the cylindrical part of the first female connector or the second female connector.

[0019] As a preferred embodiment, the cylindrical body is provided with a plurality of first slots at circumferential intervals, and each slot is connected to a first groove.

[0020] The terminal fixing shell has a first buckle on its rear outer peripheral wall along its circumferential spacing, and the first buckle is adapted to the first slot.

[0021] As a preferred embodiment, the front end face of the terminal fixing shell is recessed rearward and provided with a plurality of first through holes for a plurality of male conductive terminals of the male connector to extend into.

[0022] The rear end face of the terminal fixing shell is recessed forward to provide a plurality of second through holes for a corresponding female conductive terminal to extend into. The second through holes extend into the female docking block. The first through hole communicates with the second through hole. The inner diameter of the first through hole is smaller than the inner diameter of the second through hole. Each female conductive terminal extends into the corresponding second through hole. The front end of each female conductive terminal is located in the insertion groove.

[0023] When the male connector is inserted into the female connector, the insertion part is adapted to the insertion slot, and the corresponding male conductive terminal of the male connector extends into the corresponding first through hole to adapt to the corresponding female conductive terminal in the corresponding second through hole and is electrically connected to the corresponding female conductive terminal.

[0024] As a preferred embodiment, the front and rear ends of the female conductive terminal are respectively provided with a first plug-in end and a first riveting end. Each female conductive terminal extends into a corresponding second through hole. The first plug-in end extends into the second through hole to cooperate with the corresponding male conductive terminal of the male connector to form an electrical connection. The first riveting end extends out of the terminal fixing shell.

[0025] As a preferred embodiment, the outer peripheral wall of the female conductive terminal is provided with a first annular limiting protrusion along its circumference. The first annular limiting protrusion is located between the first insertion end and the first riveting end. Each female conductive terminal extends into the corresponding second through hole, and the first annular limiting protrusion is tightly connected to the inner wall of the second through hole.

[0026] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, it mainly uses a female conductive terminal assembly to selectively snap-fit ​​the first female connector and the second female connector, which makes it easy to select different female connectors according to different usage requirements and thus better fix the female connectors. It has good versatility. Moreover, the first waterproof sleeve improves the waterproofness between the assembled female conductive terminal assembly and the corresponding female connector, and extends the service life of the female connector.

[0027] Furthermore, the components are easy and secure to assemble, ensuring the stability and reliability of the product during operation.

[0028] To more clearly illustrate the structural features and effects of this utility model, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0029] Figure 1 This is an exploded structural diagram of an embodiment of the present invention (the movable latch is not shown);

[0030] Figure 2 This is a three-dimensional assembly structure schematic diagram of an embodiment of the present utility model (mainly showing the connection of the second female connector);

[0031] Figure 3 This is a cross-sectional structural diagram of an embodiment of the present invention (the movable latch is not shown);

[0032] Figure 4 This is a schematic diagram of the cross-sectional structure of the female connector according to an embodiment of the present utility model (mainly showing the connection to the first female connector);

[0033] Figure 5 This is a schematic diagram of the three-dimensional assembly structure of the female connector according to an embodiment of the present utility model (mainly showing the connection of the second female connector);

[0034] Figure 6 This is a three-dimensional assembly structure diagram of the female connector from another angle according to an embodiment of the present utility model (mainly showing the connection to the second female connector);

[0035] Figure 7 yes Figure 6 A schematic diagram of the decomposed structure;

[0036] Figure 8 This is an exploded structural diagram of the female conductive terminal assembly according to an embodiment of the present utility model;

[0037] Figure 9 This is a schematic diagram of the female conductive terminal structure according to an embodiment of the present invention;

[0038] Figure 10 This is a schematic diagram of the three-dimensional assembly structure of the male connector according to an embodiment of the present utility model;

[0039] Figure 11 This is an exploded structural diagram of the male connector according to an embodiment of the present utility model;

[0040] Figure 12 This is an exploded structural diagram of the male conductive terminal assembly according to an embodiment of the present invention;

[0041] Figure 13 This is a schematic diagram of the male conductive terminal structure according to an embodiment of the present invention;

[0042] Figure 14 This is an exploded view of the wiring sleeve according to an embodiment of the present utility model;

[0043] Figure 15 This is another exploded structural diagram of the male connector according to an embodiment of the present utility model.

[0044] Explanation of icon numbers:

[0045] 10. Male connector 101. Connector part

[0046] 11. Male connector 111. Movable lock

[0047] 112. Pivot joint; 113. First rotating arm

[0048] 114. Second rotating arm; 115. Reset elastic element

[0049] 116. Positioning groove; 117. Mounting cavity

[0050] 118. Third limiting step

[0051] 12. Wiring protection shell 121. Second groove

[0052] 122. Third groove; 123. First internal thread

[0053] 124. Fifth limiting step; 125. Fourth groove

[0054] 126. Fifth groove; 127. Second external thread

[0055] 13. Wiring sleeve; 14. Male conductive terminal block; 16. Assembly

[0056] 141. Fourth limiting step; 142. First external thread

[0057] 15. Fixture

[0058] 151. Male terminal connection slot; 152. Mistake-proof part.

[0059] 153. Third through hole; 154. Second clearance groove

[0060] 155. Fourth through hole; 156. Second waterproof collar mounting groove

[0061] 157. Second waterproof ring; 158. Raised strip

[0062] 16. Male conductive terminal 161. Second annular limiting protrusion

[0063] 162. Second insertion end; 163. Second riveting end

[0064] 17. Locking sleeve 171. Third mounting cavity

[0065] 172. Second internal thread; 173. Wire guide hole

[0066] 18. Sealing ring 19. Shrink sleeve

[0067] 191. Shrink film

[0068] 20. Female connector

[0069] 21. Female conductive terminal assembly 211. Second limiting step

[0070] 22. Terminal fixing housing

[0071] 221. First buckle; 222. First clearance groove

[0072] 223. First waterproof collar mounting groove; 224. First through hole

[0073] 225. Second through hole

[0074] 23. Female conductive terminal

[0075] 231. First insertion end; 232. First annular limiting protrusion.

[0076] 233. First riveting end

[0077] 24. First waterproof sleeve 25. First female connector

[0078] 251. Positioning protrusion; 252. Fixing mounting hole

[0079] 253. Vertical side panel section

[0080] 26. Second female connector

[0081] 27. Insertion slot; 28. Female end connection block; 281. Anti-fooling slot

[0082] 29. Cylinder Section

[0083] 291. Female seat external thread; 292. First groove

[0084] 293. First slot; 294. First limiting step. Detailed Implementation

[0085] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0086] like Figures 1 to 15 As shown, an industrial connector includes a pluggable male connector 10 and a female connector 20, wherein the rear end of the male connector 10 has a plug portion 101.

[0087] In this embodiment, the female connector 20 includes a female conductive terminal assembly 21, a first waterproof sleeve 24 sleeved on the outer wall of the female conductive terminal assembly 21, and a first female connector 25 and a second female connector 26 that can be selectively snapped together to connect the female conductive terminal assembly 21.

[0088] The first female connector 25 has a positioning protrusion 251 protruding from its front end. The first female connector 25 has several mounting holes 252 for fixing the female connector 20, and the positioning protrusion 251 is located in front of all the mounting holes 252. Preferably, the first female connector 25 has a vertical side plate 253 arranged circumferentially, and the mounting holes 252 are distributed in a four-way pattern on the vertical side plate 253, with each mounting hole 252 penetrating the vertical side plate 253 in a front-to-back direction.

[0089] The front ends of the first female connector 25 and the second female connector 26 are both recessed to the rear to form a connector groove 27 for the connector part 101 to fit. The front end of the female conductive terminal assembly 21 extends into the connector groove 27 of the first female connector 25 or the second female connector 26 to form a female end mating block 28.

[0090] The rear end faces of the first female connector 25 and the second female connector 26 are both provided with a cylindrical portion 29. The outer periphery of the cylindrical portion 29 of the second female connector 26 is formed with a female external thread 291 for fixing the female connector 20.

[0091] The rear end face of the cylindrical part 29 is recessed forward with a first groove 292, which connects to the insertion slot 27. In this embodiment, the cylindrical part 29 is provided with a plurality of first slots 293 at circumferential intervals, each slot 293 connecting to the first groove 292; the inner wall of the connection between the first groove 292 and the insertion slot 27 is formed with a first limiting step 294.

[0092] The outer wall surface of the female conductive terminal assembly 21 is provided with a second limiting step 211 protruding along its circumference. The first waterproof sleeve 24 is located behind the second limiting step 211. When the female conductive terminal assembly 21 extends from the first groove 292 into the insertion groove 27, the second limiting step 211 abuts against the first limiting step 294. The female conductive terminal assembly 21 is sealed to the inner wall of the first groove 292 through the first waterproof sleeve 24.

[0093] The rear section of the female conductive terminal assembly 21 is snap-fit ​​connected to the cylindrical part 29 of the first female connector 25 or the second female connector 26.

[0094] In this embodiment, the female conductive terminal assembly 21 includes a terminal fixing shell 22 and a plurality of female conductive terminals 23 mounted on the terminal fixing shell 22;

[0095] The terminal fixing housing 22 has a first buckle 221 arranged along its circumferential spacing on the outer peripheral wall of the rear section, and the first buckle 221 is adapted to fit into the first slot 293. The rear end face of the terminal fixing housing 22 is recessed forward with a first clearance groove 222.

[0096] The front section of the terminal fixing shell 22 extends into the insertion groove 27 of the first female connector 25 or the second female connector 26 to form a female end mating block 28.

[0097] The first waterproof collar 24 is sleeved on the outer wall surface of the terminal fixing shell 22. In this embodiment, the terminal fixing shell 22 is provided with a first waterproof collar mounting groove 223 along its circumference, and the first waterproof collar 24 is installed in the first waterproof collar mounting groove 223.

[0098] The second limiting step 211 is formed on the outer wall surface of the terminal fixing shell 22, and the rear section of the terminal fixing shell 22 is snap-fit ​​connected to the cylindrical part 29 of the first female connector 25 or the second female connector 26.

[0099] The front end face of the terminal fixing shell 22 is recessed rearward and has a plurality of first through holes 224 for a plurality of male conductive terminals 16 of the male connector 10 to extend into.

[0100] The rear end face of the terminal fixing shell 22 is recessed forward to provide a plurality of second through holes 225 for a corresponding female conductive terminal 23 to extend into. Preferably, the second through holes 225 are recessed forward from the inner end wall of the first relief groove 222.

[0101] The second through hole 225 extends into the female end docking block 28. The first through hole 224 connects to the second through hole 225. The inner diameter of the first through hole 224 is smaller than the inner diameter of the second through hole 225. Each female end conductive terminal 23 extends into the corresponding second through hole 225. The front end of each female end conductive terminal 23 is located in the insertion groove 27.

[0102] When the male connector 10 is inserted into the female connector 20, the insertion part 101 is adapted to the insertion slot 27, and the corresponding male conductive terminal 16 of the male connector 10 extends into the corresponding first through hole 224 and is adapted to the corresponding female conductive terminal 23 in the corresponding second through hole 225 and is electrically connected to the corresponding female conductive terminal 23 respectively.

[0103] The outer peripheral wall of the female conductive terminal 23 is provided with a first annular limiting protrusion 232 along its circumference. The front and rear ends of the female conductive terminal 23 are respectively provided with a first insertion end 231 and a first riveting end 233. The first annular limiting protrusion 232 is located between the first insertion end 231 and the first riveting end 233. Each female conductive terminal 23 extends into a corresponding second through hole 225. The first annular limiting protrusion 232 is tightly connected to the inner wall of the second through hole 225. The first insertion end 231 extends into the second through hole 225 to cooperate with the corresponding male conductive terminal 16 of the male connector 10 to form an electrical connection. The first riveting end 233 extends out of the terminal fixing shell 22. Preferably, the first riveting end 233 extends out of the terminal fixing shell 22 from the first relief groove 222, and part of the first riveting end 233 is located in the first relief groove 222.

[0104] In this embodiment, the male connector 10 includes a male connector 11, a wiring protection shell 12, a wiring sleeve 13, and a male conductive terminal assembly 14 installed in the male connector 11.

[0105] The top of the male connector 11 is provided with a movable latch 111. The movable latch 111 has a pivot part 112 for pivotally connecting the top of the male connector 11 and a first rotating arm 113 and a second rotating arm 114 located in front of and behind the pivot part 112, respectively. A reset elastic member 115 is sleeved on the pivot part 112, and a positioning groove 116 is provided on the first rotating arm 113.

[0106] Pressing down on the second rotating arm 114 compresses and deforms the reset elastic element 115, causing the first rotating arm 113 to lift upwards. After inserting the male connector 10 into the female connector 20, releasing the second rotating arm 114 causes it to reset upwards under the reset force of the reset elastic element 115, while the first rotating arm 113 resets downwards to allow the positioning groove 116 to fit into the positioning protrusion 251. Preferably, the movable latch 111 is shaped like a semi-tap head.

[0107] The rear end of the male connector 11 forms a connector portion 101. The male connector 11 has a mounting cavity 117 with open front and rear ends. The mounting cavity 117 extends from the rear end face of the connector portion 101 to the front end face of the male connector 11.

[0108] The inner end wall of the mounting cavity 117 is formed with a third limiting step 118, and the outer periphery of the male conductive terminal assembly 14 is provided with a fourth limiting step 141 along its circumference. The male conductive terminal assembly 14 is installed in the mounting cavity 117, and the fourth limiting step 141 of the male conductive terminal assembly 14 abuts against the third limiting step 118.

[0109] The rear end face of the wiring protection shell 12 is recessed forward with a second groove 121, and a third groove 122 is recessed forward from the inner end wall of the second groove 121; the rear section of the inner wall of the second groove 121 is provided with a first internal thread 123, and the outer peripheral side of the front section of the male conductive terminal assembly 14 is provided with a first external thread 142.

[0110] The outer periphery of the wiring protection shell 12 is provided with a fifth limiting step 124 along its circumference. The rear section of the wiring protection shell 12 extends into the mounting cavity 117 from the front opening of the mounting cavity 117. The front end of the male connector 11 abuts against the fifth limiting step 124. The male conductive terminal assembly 14 extends from the second groove 121 into the third groove 122. The male conductive terminal assembly 14 is detachably connected to the wiring protection shell 12. The first external thread 142 is adapted to the first internal thread 123.

[0111] In this embodiment, the male conductive terminal assembly 14 includes a fixing base 15 and a plurality of male conductive terminals 16 mounted on the fixing base 15. The rear end face of the fixing base 15 is recessed forward to provide a male terminal docking groove 151 for the insertion of the female terminal docking block 28. The inner sidewall of the male terminal docking groove 151 is formed with a foolproof part 152, and the female terminal docking block 28 is recessed with a foolproof groove 281 corresponding to the foolproof part 152.

[0112] The male end docking groove 151 connects to the mounting cavity 117. A plurality of third through holes 153 are recessed inward from the inner end wall of the male end docking groove 151. A second clearance groove 154 is recessed inward from the front end face of the fixing seat 15. A plurality of fourth through holes 155 are recessed inward from the inner end wall of the second clearance groove 154. The number of third through holes 153 and the number of fourth through holes 155 are the same. Each third through hole 153 is connected to a fourth through hole 155.

[0113] The outer periphery of the fixing base 15 is provided with a second waterproof collar mounting groove 156 along its circumferential direction, and the second waterproof collar mounting groove 156 is located behind the first external thread 142.

[0114] The second waterproof collar mounting groove 156 is equipped with a second waterproof collar 157. The second waterproof collar 157 has a plurality of protruding strips 158 along its circumference. When the fixing seat 15 is located inside the insertion wiring protective shell 12, the fixing seat 15 is sealed to the inner wall of the second groove 121 through the second waterproof collar 157 and its protruding strips 158.

[0115] The outer peripheral wall of the male conductive terminal 16 is provided with a second annular limiting protrusion 161 along its circumference. The front and rear ends of the male conductive terminal 16 are respectively provided with a second insertion end 162 and a second riveting end 163. The second annular limiting protrusion 161 is located between the second insertion end 162 and the second riveting end 163.

[0116] The male conductive terminal 16 extends sequentially from the second relief groove 154 into the fourth through hole 155 and then extends through the third through hole 153 into the male mating groove 151. The second annular limiting protrusion 161 is tightly connected to the inner wall of the fourth through hole 155. The second riveting end 163 extends out of the fixing base 15 through the second relief groove 154 and enters the second groove 121. Part of the second riveting end 163 is located in the second relief groove 154. The second insertion end 162 extends into the male mating groove 151 through the third through hole 153.

[0117] When the male connector 10 and the female connector 20 are connected, the connector 101 is adapted to the connector groove 27, the rear section of the fixing seat 15 extends into the connector groove 27, the female end docking block 28 is inserted into the male end docking groove 151, and the second connector end 162 of each male end conductive terminal 16 enters the second through hole 225 through the first through hole 224 and engages with the first connector end 231 of the corresponding female end conductive terminal 23 to form an electrical connection.

[0118] The front end face of the wiring protection shell 12 is recessed inward with a fourth groove 125, and a fifth groove 126 is recessed backward from the inner end wall of the fourth groove 125. The fifth groove 126 is connected to the third groove 122. The front end of the wiring protection shell 12 is formed with a second external thread 127.

[0119] In this embodiment, the wiring sleeve 13 includes a locking sleeve 17 for threaded connection with the wiring protective shell 12 and a tensioning sleeve located within the locking sleeve 17. The locking sleeve 17 and the tensioning sleeve cooperate to fix all the connecting wires that have been connected to the corresponding second riveting end 163 together.

[0120] Preferably, the locking sleeve 17 has a third mounting cavity 171 with an open front end. The inner wall of the third mounting cavity 171 is provided with a second internal thread 172. The rear end of the tensioning sleeve abuts against the inner end wall of the fourth groove 125, and the tensioning sleeve is located within the third mounting cavity 171. The locking sleeve 17 is connected to the wiring protection shell 12, and the second external thread 127 is adapted to the second internal thread 172. The front end face of the locking sleeve 17 is recessed inwardly and provided with a wire passage hole 173, which communicates with the third mounting cavity 171.

[0121] In this embodiment, the tensioning sleeve includes a sealing ring 18 and a shrink sleeve 19 disposed outside the sealing ring 18. The shrink sleeve 19 has multiple shrink tabs 191 on its outer periphery. When the locking sleeve 17 is tightened, pressure is applied to the shrink sleeve 19 through its inner diameter, thereby tightening the sealing ring 18 through the shrink tabs 191 to seal and lock the connecting wire. In this embodiment, the threaded connection structure facilitates assembly and ensures stability by tightening and fixing the connecting wire during the locking process.

[0122] The key design feature of this utility model is that it allows for selective snap-fit ​​connection of the first female connector and the second female connector through a female conductive terminal assembly. This facilitates the selection of different female connectors according to different usage requirements, thereby better securing the female connectors and providing good versatility. Furthermore, the first waterproof sleeve enhances the waterproofness between the assembled female conductive terminal assembly and the corresponding female connector, extending the service life of the female connector.

[0123] Furthermore, the components are easy and secure to assemble, ensuring the stability and reliability of the product during operation.

[0124] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. An industrial connector comprising a pluggable male connector and a female connector, wherein the rear end of the male connector has a plug portion, characterized in that: The female connector includes a female conductive terminal assembly, a first waterproof sleeve fitted onto the outer wall of the female conductive terminal assembly, and a first female connector and a second female connector that can be selectively snapped together to connect the female conductive terminal assembly. The first female connector is provided with several fixing holes for fixing the female connector; The front ends of the first female connector and the second female connector are both recessed to the rear to form a mating groove for the mating part. The front end of the female conductive terminal assembly extends into the mating groove of the first female connector or the second female connector to form a female mating block. Both the first female connector and the second female connector have a protruding cylindrical portion on their rear end faces. The outer periphery of the cylindrical portion of the second female connector has a female external thread for fixing the female connector. The rear end face of the cylindrical part is recessed forward with a first groove, the first groove is connected to the insertion slot, and the inner wall of the connection between the first groove and the insertion slot is formed with a first limiting step. The outer wall surface of the female conductive terminal assembly is provided with a second limiting step along its circumference. The first waterproof sleeve is located behind the second limiting step. When the female conductive terminal assembly extends from the first groove into the insertion groove, the second limiting step abuts against the first limiting step. The female conductive terminal assembly is sealed to the inner wall of the first groove through the first waterproof sleeve. The rear section of the female conductive terminal assembly is snap-fit ​​connected to the cylindrical part of the first female connector or the second female connector.

2. The industrial connector according to claim 1, characterized in that: The female conductive terminal assembly includes a terminal fixing shell and a plurality of female conductive terminals mounted on the terminal fixing shell. The front section of the terminal fixing shell extends into the insertion groove of the first female socket or the second female socket to form a female end mating block; The first waterproof sleeve is fitted onto the outer wall of the terminal fixing shell, the second limiting step is formed on the outer wall of the terminal fixing shell, and the rear section of the terminal fixing shell is snap-fitted to the cylindrical part of the first female connector or the second female connector.

3. The industrial connector according to claim 2, characterized in that: The cylindrical part is provided with a plurality of first slots along its circumferential spacing, and each slot is connected to a first groove. The terminal fixing shell has a first buckle on its rear outer peripheral wall along its circumferential spacing, and the first buckle is adapted to the first slot.

4. The industrial connector according to claim 2, characterized in that: The front end face of the terminal fixing shell is recessed rearward and has several first through holes for several male conductive terminals of the male connector to extend into. The rear end face of the terminal fixing shell is recessed forward to provide a plurality of second through holes for a corresponding female conductive terminal to extend into. The second through holes extend into the female docking block. The first through hole communicates with the second through hole. The inner diameter of the first through hole is smaller than the inner diameter of the second through hole. Each female conductive terminal extends into the corresponding second through hole. The front end of each female conductive terminal is located in the insertion groove. When the male connector is inserted into the female connector, the insertion part is adapted to the insertion slot, and the corresponding male conductive terminal of the male connector extends into the corresponding first through hole to adapt to the corresponding female conductive terminal in the corresponding second through hole and is electrically connected to the corresponding female conductive terminal.

5. The industrial connector according to claim 4, characterized in that: The front and rear ends of the female conductive terminal are respectively provided with a first plug-in end and a first riveting end. Each female conductive terminal extends into the corresponding second through hole. The first plug-in end extends into the second through hole to cooperate with the corresponding male conductive terminal of the male connector to form an electrical connection. The first riveting end extends out of the terminal fixing shell.

6. The industrial connector according to claim 5, characterized in that: The outer peripheral wall of the female conductive terminal is provided with a first annular limiting protrusion along its circumference. The first annular limiting protrusion is located between the first plug end and the first riveting end. Each female conductive terminal extends into the corresponding second through hole, and the first annular limiting protrusion is tightly connected to the inner wall of the second through hole.

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