3PIN fast-assembly large-current connector

Abstract

The utility model discloses a 3PIN fast-assembly heavy-current connector, which comprises a connector female end and a connector male end which are mutually connected in an inserted manner, the connector female end comprises a female end shell, a female end terminal and a tail cover, and the connector male end comprises a male end shell, a male end terminal and a tail cover; the tail cover comprises a plurality of cylinders which are connected with one another and are arranged in parallel, the peripheral wall of at least one cylinder is provided with a pre-assembling buckle, the female end shell and the male end shell are both provided with pre-assembling clamping grooves matched with the pre-assembling buckles, and the pre-assembling clamping grooves are provided with preset lengths for the pre-assembling buckles to move in the pre-assembling clamping grooves in the axial direction; the peripheral wall of the cylinder body is also provided with a fixing buckle, and the female end housing and the male end housing are provided with fixing clamping grooves matched with the fixing buckle. Each of the female end terminal and the male end terminal comprises an axial limiting structure suitable for abutting against the end portion of the cylinder body. The connector provided by the utility model is rapid and stable in assembly process, and has the beneficial effects of reducing material cost and assembly cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of connector, specifically relates to a 3PIN quick -mounting high -current connector. BACKGROUND

[0002] 3PIN connector is a kind of key element widely used in electronic equipment, and the quick assembly structure of current connector mostly adopts metal claw structure, and abnormality such as missing loading or claw deformation can occur in the process of assembling metal claw, if missing detection occurs just after inspection, then it can cause the quick assembly of connector to fail, and the holding force failure can also occur;Moreover, the configuration of metal claw leads to the increase of material cost and assembly cost of connector.

[0003] Therefore, a connector quick assembly structure with stable assembly structure and cost control is urgently needed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a 3PIN quick -mounting high -current connector with stable assembly structure, which can reduce material cost and assembly cost.

[0005] To solve the above problems, the utility model provides a kind of 3PIN quick -mounting high -current connector, including the connector female end and the connector male end of mutual insertion connection, the connector female end includes female end shell, the female end terminal fixedly connected with wire harness, and the tail cover that can be cooperated with female end shell and can be constrained into female end shell with female end terminal, the connector male end includes male end shell, the male end terminal fixedly connected with wire harness, and the tail cover that can be cooperated with male end shell and can be constrained into male end shell with male end terminal,

[0006] Tail cover includes multiple cylinder for wire harness to pass through, multiple cylinder is connected and parallelly arranged, and at least one cylinder outer peripheral wall is equipped with preloading buckle, female end shell and the male end shell are all equipped with preloading buckle matched with preloading buckle, and preloading buckle is equipped with the predetermined length for preloading buckle to move in axial direction;The outer peripheral wall of cylinder is also equipped with fixed buckle, and the male end shell and the male end shell are all equipped with fixed buckle matched with fixed buckle;When preloading buckle moves to the end of preloading buckle, just make fixed buckle to be connected into fixed buckle slot,

[0007] Female end terminal and male end terminal all include axial limiting structure suitable for the end of cylinder abutment.

[0008] The utility model discloses 3PIN quick -mounting high -current connector, through setting up pre -installing buckle outside the cylinder of tail cover and setting up pre -installing buckle groove on female end shell and male end shell, and pre -installing buckle groove has predetermined length, can make pre -installing buckle move in pre -installing buckle groove, when assembling connector female end, first pre -installing buckle on tail cover is aligned with pre -installing buckle groove on female end shell and pushes in, but not completely pushes pre -installing buckle into the end of pre -installing buckle groove, makes tail cover first pre -install in female end shell, thereby positioning the circumferential position of tail cover relative to female end shell, then inserts female end terminal with wire harness into tail cover, can limit the axial position of female end terminal relative to tail cover through the setting of axial limiting structure, continues to push tail cover again, moves pre -installing buckle to the end of pre -installing buckle groove, just fixes buckle on tail cover to fixed buckle groove of female end shell at this moment, thereby makes female end terminal completely restrain in female end shell, completes the assembly of connector female end, and this assembly process is quick and stable, another part of connector male end is the same as the assembly sequence of connector female end, first completes the pre -installation of tail cover in male end shell, then assembles male end terminal into tail cover, pushes tail cover to the position again, makes tail cover and male end shell fixed connection, ensures that male end terminal completely restrains in male end shell, and this assembly process is also quick and stable, has the beneficial effects of reducing material cost and assembly cost.

[0009] In some embodiments, the end of the cylinder is provided with an elastic claw structure, and the female end shell and the male end shell are both provided with a limiting inner wall capable of retracting the claw structure. Thus, when assembling the female end terminal and the male end terminal, the terminal is retracted in the female end shell and the male end shell by the elastic claw structure through the cylinder and the elastic claw structure, the end of the elastic claw structure is in abutment with the axial limiting structure on the terminal to axially limit the terminal, and the elastic claw structure is prevented from expanding by the radial pressure applied to the elastic claw structure by the limiting inner wall in the corresponding female end shell and male end shell, so that the terminal is prevented from being pulled off.

[0010] In some embodiments, the female end shell includes a female end body portion for assembling the tail cover and a pipe body portion connected with the female end body portion and used for accommodating the female end terminal, and the number of the pipe body portion is consistent with the number of the cylinder; and the male end shell includes a male end body portion for assembling the tail cover and a sleeve portion connected with the male end body portion and used for inserting the pipe body portion. Thus, the tail cover in the female end shell and the male end shell is assembled by the female end body portion and the male end body portion, respectively.

[0011] In some embodiments, the inner part of the female end body part and the male end body part comprises the same tail cover mounting cavity structure, the inner end of the tail cover mounting cavity structure is provided with a plurality of corresponding retracting pipes, and the inner wall of the retracting pipe forms a limiting inner wall. In this way, the elastic jaw structure of the tail cover is pressed radially by the inner wall of the retracting pipe in the tail cover mounting cavity structure, so as to ensure that the elastic jaw structure cannot expand, so that the elastic jaw structure retracts the terminal in the female end shell and the male end shell, thereby preventing the terminal from being pulled out.

[0012] In some embodiments, the pre-assembly clamping groove and the fixed clamping groove on the female end shell are arranged on the female end body part, and the pre-assembly clamping groove and the fixed clamping groove on the male end shell are arranged on the male end body part; the outer side wall of the pipe body part is provided with a connecting buckle, and the sleeve pipe part is provided with a connecting clamping groove corresponding to the connecting buckle. In this way, the fixed buckle of the tail cover is clamped with the fixed clamping groove on the female end body part to realize the installation of the tail cover in the female end shell, and the fixed buckle of the tail cover is clamped with the fixed clamping groove on the male end body part to realize the installation of the tail cover in the male end shell; when the female end of the connector is connected with the male end of the connector, the sleeve pipe part of the male end shell is inserted into the pipe body part of the female end shell, so that the connecting buckle on the pipe body part is clamped with the connecting clamping groove on the sleeve pipe part, thereby realizing the fixed connection of the female end shell and the male end shell.

[0013] In some embodiments, the tail cover comprises three cylinder bodies, and the cross section of the tail cover is triangular, wherein the outer peripheral wall of two cylinder bodies is connected with a tangential rib plate, and the two ends of the tangential rib plate are respectively provided with a pre-assembly buckle, and the female end shell and the male end shell are respectively provided with two pre-assembly clamping grooves corresponding to the pre-assembly buckle. In this way, through the arrangement of the three cylinder bodies, the three wire harnesses and terminals of the 3PIN connector can be fixed to the female end shell and the male end shell through the tail cover.

[0014] In some embodiments, the female end terminal comprises a first conductive connecting part and a conductive sleeve part connected with the first conductive connecting part, and the diameter of the conductive sleeve part is larger than that of the first conductive connecting part; the male end terminal comprises a second conductive connecting part, a conductive flange part and a conductive cylindrical terminal part connected in sequence, the diameter of the conductive flange part is larger than that of the second conductive connecting part, and the conductive cylindrical terminal part can be inserted into the conductive sleeve part; a first step structure is formed between the conductive sleeve part and the first conductive connecting part, a second step structure is formed between the conductive flange part and the second conductive connecting part, and the first step structure and the second step structure form axial limiting structures respectively. In this way, the first step structure is formed by the diameter difference between the conductive sleeve part and the first conductive connecting part, and the second step structure is formed by the diameter difference between the conductive flange part and the second conductive connecting part, which is beneficial to abutting against the end part of the cylinder body of the tail cover, thereby achieving the axial limiting effect on the female end terminal and the male end terminal; the conductive cylindrical terminal part of the male end terminal is inserted into the conductive sleeve part of the female end terminal, thereby realizing the electrical connection between the female end of the connector and the male end of the connector.

[0015] In some embodiments, the outer peripheral wall of each of the three barrels is provided with one fixing buckle. In this way, one fixing buckle is provided on the outer peripheral wall of each barrel, and the positions of the fixing buckles are uniformly distributed, so that the tail cover can be stably installed into the female end shell and the male end shell, thereby better fixing the female end terminal and the male end terminal and improving the quality of the connector.

[0016] In some embodiments, the first conductive connecting part is riveted with the wire harness, and the second conductive connecting part is riveted with the wire harness.

[0017] In some embodiments, the elastic clamping jaw structure includes six clamping jaw pieces arranged uniformly in the circumferential direction, and the end of the clamping jaw piece is adapted to abut against the axial limiting structure. In this way, the installation and axial limiting of the female end terminal and the male end terminal are realized through the opening and closing of the clamping jaw pieces. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an exploded view of the 3PIN quick-mounting large-current connector according to an embodiment of the present application;

[0019] Figure 2 It is a structural view of the tail cover according to an embodiment of the present application;

[0020] Figure 3 It is a structural view of the female end shell according to an embodiment of the present application;

[0021] Figure 4 It is a structural view of the male end shell according to an embodiment of the present application;

[0022] Figure 5 It is a state view of the tail cover pre-mounted in the female end of the connector;

[0023] Figure 6 It is a state view of the tail cover completely mounted in the female end of the connector;

[0024] Figure 7 It is a sectional view of the female end of the connector according to an embodiment of the present application after installation;

[0025] Figure 8 It is a structural view of the female end terminal;

[0026] Figure 9 It is a structural view of the male end terminal.

[0027] In the drawings:

[0028] 10, female end of connector; 11, female end shell; 111, female end main body; 112, tube body; 113, connecting buckle; 114, pre-assembly clamping groove a; 115, fixed clamping groove a; 12, female end terminal; 121, first conductive connecting part; 122, conductive sleeve connecting part; 123, first step structure; 20, male end of connector; 21, male end shell; 211, male end main body; 212, sleeve tube; 213, connecting clamping groove; 214, pre-assembly clamping groove b; 215, fixed clamping groove b; 22, male end terminal; 221, second conductive connecting part; 222, conductive flange; 223, conductive cylindrical terminal part; 224, second step structure; 30, tail cover; 31, barrel; 32, pre-assembly buckle; 33, fixed buckle; 34, clamping jaw piece; 35, tangential rib plate; 40, tail cover mounting cavity structure; 41, folding pipeline; 42, transition inclined wall; 50, wire harness. DETAILED DESCRIPTION

[0029] The utility model will be described in further detail below in combination with the drawings.

[0030] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. The terms "include", "contain", "have" and their variants mean "include but are not limited to", unless otherwise specifically emphasized.

[0031] Figure 1 A 3PIN quick-mounting large-current connector according to an embodiment of the utility model is schematically shown. Figure 1 As shown, the connector includes a female end of connector 10 and a male end of connector 20 that are inserted and connected to each other, the female end of connector 10 includes a female end shell 11, a female end terminal 12 fixedly connected with a wire harness 50, and a tail cover 30 that can cooperate with the female end shell 11 to constrain the female end terminal 12 in the female end shell 11, and the male end of connector 20 includes a male end shell 21, a male end terminal 22 fixedly connected with the wire harness 50, and the tail cover 30 that can cooperate with the male end shell 21 to constrain the male end terminal 22 in the male end shell 21; in combination Figure 1 and Figure 2As shown, the tail cover 30 includes a plurality of barrels 31 for the wire harness 50 to pass through, the plurality of barrels 31 are connected to each other and arranged in parallel, the outer peripheral wall of at least one barrel 31 is provided with a pre-assembly buckle 32, the female end shell 11 and the male end shell 21 are both provided with a pre-assembly buckle slot (the female end shell 11 is provided with a pre-assembly buckle slot a 114, and the male end shell 21 is provided with a pre-assembly buckle slot b 214) matched with the pre-assembly buckle 32, the pre-assembly buckle slot is provided with a predetermined length for the pre-assembly buckle 32 to move therein in the axial direction; the outer peripheral wall of the barrel 31 is also provided with a fixed buckle 33, such as Figure 3 and Figure 4 As shown, the female end shell 11 and the male end shell 21 are both provided with a fixed buckle slot matched with the fixed buckle 33; as shown Figure 6 When the pre-assembly buckle 32 moves to the end of the pre-assembly buckle slot a 114, the fixed buckle 33 is just clamped into the fixed buckle slot; the female end terminal 12 and the male end terminal 22 both include an axial limiting structure adapted to abut against the end of the barrel 31.

[0032] The 3PIN quick-mounting high-current connector in the above-mentioned embodiment can make the pre-assembly buckle 32 move in the pre-assembly buckle slot by providing the pre-assembly buckle 32 outside the barrel 31 of the tail cover 30 and providing the pre-assembly buckle slot on the female end shell 11 and the male end shell 21, and the pre-assembly buckle slot has a predetermined length, as shown in Figure 5 As shown in the state diagram of the pre-assembly of the connector female end 10, when assembling the connector female end 10, first align the pre-assembly buckle 32 on the tail cover 30 with the pre-assembly buckle slot a 114 on the female end shell 11 and push it in, but not completely push the pre-assembly buckle 32 to the end of the pre-assembly buckle slot a 114, so as to pre-assemble the tail cover 30 into the female end shell 11, thereby positioning the circumferential position of the tail cover 30 relative to the female end shell 11, then insert the female end terminal 12 with the wire harness 50 into the tail cover 30, and the axial position of the female end terminal 12 relative to the tail cover 30 can be limited by the setting of the axial limiting structure; finally, continue to push the tail cover 30, as shown Figure 6 and Figure 7As shown, the pre-assembly buckle 32 is moved to the end of the pre-assembly slot a 114, at which time the fixing buckle 33 on the tail cover 30 is just clamped into the fixing slot of the female end shell 11, so that the female end terminal 12 is completely constrained into the female end shell 11, completing the assembly of the connector female end 10, which is fast and stable; the other part of the connector male end 20 is assembled in the same sequence as the connector female end 10, first completing the pre-assembly of the tail cover 30 in the male end shell 21, then assembling the male end terminal 22 into the tail cover 30, and then pushing the tail cover 30 into place to make the tail cover 30 and the male end shell 21 fixedly connected, ensuring that the male end terminal 22 is completely constrained into the male end shell 21, thus completing the assembly of the connector male end 20, which is also fast and stable, having the beneficial effects of reducing material cost and assembly cost. It should be noted that in other embodiments, the pre-assembly buckle 32 and the pre-assembly slot (pre-assembly slot a 114 / pre-assembly slot b 214) can be arranged interchangeably, for example, the pre-assembly slot is arranged on the tail cover 30, and the pre-assembly buckle 32 is arranged on the female end shell 11 and the male end shell 21, which will not be described here.

[0033] Referring to Figure 2 In this embodiment, the end of the barrel 31 is provided with an elastic clamping structure. As shown in Figure 3 and Figure 4 , the female end shell 11 and the male end shell 21 are both provided with a limiting inner wall capable of closing the clamping structure. Thus, when assembling the female end terminal 12 and the male end terminal 22, the terminal is clamped through the barrel 31 and then expanded to pass through the elastic clamping structure, so that the end of the elastic clamping structure abuts against the axial limiting structure on the terminal to axially limit the terminal, and at the same time, the limiting inner wall in the corresponding female end shell 11 and male end shell 21 exerts radial pressure on the elastic clamping structure of the tail cover 30, ensuring that the elastic clamping structure does not expand, so that the elastic clamping structure clamps the terminal in the female end shell 11 and the male end shell 21, preventing the terminal from being pulled out.

[0034] In a specific embodiment, the female end shell 11 includes a female end main body part 111 for assembling the tail cover 30 and a pipe body part 112 connected with the female end main body part 111 and used for accommodating the female end terminal 12, the number of the pipe body part 112 being consistent with the number of the barrel 31 (as shown in Figure 3 three pipe body parts 112); the male end shell 21 includes a male end main body part 211 for assembling the tail cover 30 and a sleeve part 212 connected with the male end main body part 211 and used for inserting the pipe body part 112. Thus, the female end main body part 111 and the male end main body part 211 can respectively assemble the tail cover 30 in the female end shell 11 and the male end shell 21.

[0035] In combination with Figure 3 and Figure 4As shown, in the present embodiment, the inner part of the female main body part 111 and the male main body part 211 comprises the same tail cover mounting cavity structure 40, the inner end of the tail cover mounting cavity structure 40 is provided with a plurality of corresponding retracting pipes 41, the inner wall of the retracting pipes 41 forms the limiting inner wall in the above-mentioned embodiment. Thus, by the inner wall of the retracting pipes 41 in the tail cover mounting cavity structure 40 applying radial pressure on the elastic jaw structure of the tail cover 30, it is ensured that the elastic jaw structure will not expand, so that the elastic jaw structure retracts the terminal into the female shell 11 and the male shell 21, thereby preventing the terminal from being pulled out. As a preferred embodiment, as shown in Figure 3 and Figure 4 As shown, the end of the retracting pipe 41 close to the female main body part 111 is provided with a transition inclined wall 42, which can facilitate the smooth pushing of the end of the cylinder 31 of the tail cover 30 along the transition inclined wall 42 into the retracting pipe 41.

[0036] As a preferred embodiment, please refer to Figure 3 and Figure 5 As shown, the pre-assembly clamping groove a 114 and the fixed clamping groove on the female shell 11 are both arranged on the female main body part 111, as shown in Figure 4 As shown, the pre-assembly clamping groove b 214 and the fixed clamping groove on the male shell 21 are both arranged on the male main body part 211; the outer side wall of the pipe body part 112 is provided with a connecting buckle 113, and the sleeve part 212 is provided with a connecting clamping groove 213 corresponding to the connecting buckle 113. Thus, by the fixed clamping groove on the female main body part 111 clamping with the fixed clamping buckle 33 of the tail cover 30, the installation of the tail cover 30 in the female shell 11 is realized, and by the fixed clamping groove on the male main body part 211 clamping with the fixed clamping buckle 33 of the tail cover 30, the installation of the tail cover 30 in the male shell 21 is realized; when the female connector 10 and the male connector 20 are connected, the sleeve part 212 of the male shell 21 is inserted into the pipe body part 112 of the female shell 11, so that the connecting buckle 113 on the pipe body part 112 is inserted into the connecting clamping groove 213 on the sleeve part 212, thereby realizing the fixed connection between the female shell 11 and the male shell 21.

[0037] In a more specific embodiment, as shown in Figure 2 As shown, the tail cover 30 comprises three cylinders 31, the cross section of which is triangular, and the outer peripheral wall of two of the cylinders 31 is connected with a tangential rib plate 35, and the two ends of the tangential rib plate 35 are respectively provided with a pre-assembly clamping buckle 32, and the female shell 11 and the male shell 21 are respectively provided with two pre-assembly clamping grooves corresponding to the pre-assembly clamping buckle 32. Thus, by the arrangement of the three cylinders 31, the three wire harnesses 50 and the terminals of the 3PIN connector can be fixed into the female shell 11 and the male shell 21 through the tail cover 30. The arrangement of two pre-assembly clamping buckles 32 on the tail cover 30 can improve the stability during pre-assembly.

[0038] Further, as shown inFigure 8 and Figure 9 As shown in the drawings, the female terminal 12 comprises a first conductive connecting part 121 and a conductive sleeve part 122 connected with the first conductive connecting part 121, and the diameter of the conductive sleeve part 122 is larger than that of the first conductive connecting part 121; the male terminal 22 comprises a second conductive connecting part 221, a conductive flange part 222 and a conductive cylindrical terminal part 223 connected in sequence, the diameter of the conductive flange part 222 is larger than that of the second conductive connecting part 221, and the conductive cylindrical terminal part 223 can be inserted into the conductive sleeve part 122; a first step structure 123 is formed between the conductive sleeve part 122 and the first conductive connecting part 121, and a second step structure 224 is formed between the conductive flange part 222 and the second conductive connecting part 221, and the first step structure 123 and the second step structure 224 form axial limiting structures respectively. Thus, the first step structure 123 is formed by the diameter difference between the conductive sleeve part 122 and the first conductive connecting part 121, and the second step structure 224 is formed by the diameter difference between the conductive flange part 222 and the second conductive connecting part 221, which is beneficial to abutting against the end of the barrel 31 of the tail cover 30, thereby playing an axial limiting role on the female terminal 12 and the male terminal 22; the conductive cylindrical terminal part 223 of the male terminal 22 is inserted into the conductive sleeve part 122 of the female terminal 12, thereby realizing the electrical connection between the female connector 10 and the male connector 20. In the embodiment, the first conductive connecting part 121 is riveted with the wire harness 50, and the second conductive connecting part 221 is riveted with the wire harness 50.

[0039] Further, the outer circumferential wall of each barrel 31 is provided with a fixing buckle 33. Thus, the outer circumferential wall of each barrel 31 is provided with a fixing buckle 33, and the positions of the fixing buckles 33 are uniformly distributed, so that the tail cover 30 can be stably installed into the female shell 11 and the male shell 21, thereby better fixing the female terminal 12 and the male terminal 22 and improving the quality of the connector.

[0040] Further, as shown in the drawings, Figure 1 and Figure 2 The elastic clamping jaw structure comprises six clamping jaw pieces 34 arranged uniformly in the circumferential direction, and the end of the clamping jaw piece 34 is adapted to abut against the axial limiting structure. Thus, the installation and axial limiting of the female terminal 12 and the male terminal 22 are realized by the opening and closing of the clamping jaw piece 34.

[0041] The 3PIN quick-mounting large-current connector of the utility model, by setting the pre-installation buckle 32 outside the barrel 31 of the tail cover 30 and setting the pre-installation buckle groove on the female shell 11 and the male shell 21, pre-installs the tail cover 30, then installs the terminal into the tail cover 30, and finally pushes the tail cover 30 into the female shell 11 and the male shell 21, so that the terminal is completely constrained in the female shell 11 or the male shell 21, the assembly process is quick and stable, and the utility model has the beneficial effects of reducing material cost and assembly cost.

[0042] The above merely describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, and therefore, the present application is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are within the scope of the present application.

Claims

1. A 3PIN quick-mount high-current connector, characterized in that, include: The connector includes a female terminal and a male terminal that are interlocked. The female terminal includes a female terminal housing, a female terminal fixedly connected to a wire harness, and a tail cover that can cooperate with the female terminal housing to constrain the female terminal into the female terminal housing. The male terminal includes a male terminal housing, a male terminal fixedly connected to a wire harness, and a tail cover that can cooperate with the male terminal housing to constrain the male terminal into the male terminal housing. The tail cap includes multiple cylindrical bodies through which the wire harness passes. These cylindrical bodies are interconnected and arranged in parallel. At least one cylindrical body has a pre-installed buckle on its outer peripheral wall. Both the female end housing and the male end housing have pre-installed slots that mate with the pre-installed buckle. These pre-installed slots are axially oriented to allow the pre-installed buckle to move a predetermined length within them. The outer peripheral wall of the cylindrical body also has a fixing buckle. Both the female end housing and the male end housing have fixing slots that mate with the fixing buckle. When the pre-installed buckle moves to the end of the pre-installed slot, it engages with the fixing buckle in the fixing slot. Both the female and male terminals include axial limiting structures adapted to abut against the end of the cylinder.

2. The 3PIN quick-mount high-current connector according to claim 1, characterized in that, The end of the cylinder is provided with an elastic claw structure, and both the female end shell and the male end shell are provided with limiting inner walls that can close the claw structure.

3. The 3PIN quick-mount high-current connector of claim 2, wherein, The female end housing includes a female end main body for assembling the tail cap and a tube body connected to the female end main body for accommodating the female end terminal, the number of tube bodies being the same as the number of cylinders; the male end housing includes a male end main body for assembling the tail cap and a sleeve part connected to the male end main body for insertion into the tube body.

4. The 3PIN quick-mount high-current connector of claim 3, wherein, The female end main body and the male end main body include the same tail cap mounting cavity structure inside. The inner end of the tail cap mounting cavity structure is provided with a gathering pipe that corresponds one-to-one with the plurality of cylinders. The inner wall of the gathering pipe forms the limiting inner wall.

5. The 3PIN quick-mount high-current connector of claim 4, wherein, The pre-installed slot and the fixed slot on the female end housing are both located on the female end main body, and the pre-installed slot and the fixed slot on the male end housing are both located on the male end main body; the outer wall of the tube body is provided with a connecting buckle, and the sleeve part is provided with a connecting slot corresponding to the connecting buckle.

6. The 3PIN quick-mount high-current connector according to any one of claims 1-5, characterized in that, The tail cap includes three cylindrical bodies with triangular cross-sections. Two of the cylindrical bodies have tangential ribs connected to their outer peripheral walls. Each end of the tangential rib is provided with a pre-installed buckle. The female end shell and the male end shell are each provided with two pre-installed slots corresponding to the pre-installed buckles.

7. The 3PIN quick-mount high-current connector according to any one of claims 1-5, characterized in that, The female terminal includes a first conductive connection portion connected to a conductive sleeve portion, the diameter of which is larger than the diameter of the first conductive connection portion; the male terminal includes a second conductive connection portion, a conductive flange portion, and a conductive cylindrical terminal portion connected in sequence, the diameter of which is larger than the diameter of the second conductive connection portion, and the conductive cylindrical terminal portion can be inserted into the conductive sleeve portion; The first step structure is formed between the conductive sleeve joint and the first conductive connecting part, and the second step structure is formed between the conductive flange part and the second conductive connecting part, and the first step structure and the second step structure form the axial limiting structure respectively.

8. The 3PIN quick-mount high-current connector of claim 6, wherein, The outer circumferential walls of the three cylinder bodies are respectively provided with one fixing buckle.

9. The 3PIN quick-mount high-current connector of claim 7, wherein, The first conductive connecting part is riveted with the wire harness, and the second conductive connecting part is riveted with the wire harness.

10. The 3PIN quick-mount high-current connector of claim 2, wherein, The elastic claw structure comprises six claw pieces arranged uniformly in the circumferential direction, and the end of the claw piece is adapted to abut against the axial limiting structure.

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