Elbow via hole connector

Abstract

The utility model relates to the technical field of connectors, and discloses an elbow via hole connector, the elbow via hole connector comprises a housing, a terminal and a conductive device, the housing is internally provided with a slot and an adapter slot which are intersected and communicated, the conductive device comprises a lead and a connecting part connected with one end of the lead, and the connecting part is connected with the other end of the lead. The terminal and the connecting part are respectively inserted from the adapter slot and the slot and are conductively connected in the shell, a convex block is arranged on the inner wall of the slot in a protruding manner, and when the connecting part is inserted, the convex block enables the connecting part to deviate towards one side far away from the terminal; and the connecting part is provided with a groove matched with the convex block, when the connecting part is installed in place, the convex block is embedded into the groove, and the connecting part is in lap joint with the terminal and is in conductive connection with the terminal. According to the utility model, one-time successful assembly of the elbow via hole connector can be realized, and the assembly efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, and more specifically to an elbow through-hole connector. Background Art

[0002] As a type of connector, the through-hole connector provides cable through-hole transfer function to meet the cable layout requirements of new energy vehicles. Among them, the elbow-type through-hole connector is suitable for through-hole transfer occasions of non-straight cables such as 90° or 135°.

[0003] Some types of elbow through-hole connectors include a shell, an inner rubber core, a sheet-shaped transfer terminal, a cable, etc. The shell is fixed at the through hole of the installation interface, the inner rubber core is fixed in the shell, one end of the transfer terminal is located in the inner rubber core to connect the cable, and the other end extends out of the shell and passes through the through hole to connect electrical equipment or other cables. After the cable is successively installed with a shielding ring, a wire sealing body and a tail cover, the sheet-shaped end is inserted into the inner rubber core fixed in the shell. After the through hole at the sheet-shaped end of the cable corresponds to the through hole at the end of the sheet-shaped transfer terminal, a bolt is used to pass through each through hole to connect the transfer terminal to the cable conductively.

[0004] During actual installation, the shell, inner rubber core, and transfer terminal are usually assembled first. After the shell is installed on the installation interface, the cable is inserted into the inner rubber core and connected with the transfer terminal bolts. In this process, due to the compact internal space design of the inner rubber core, when the cable is inserted into the inner rubber core, the end of the cable may interfere with the transfer terminal due to factors such as operation, processing and assembly accuracy, resulting in a one-time assembly failure. At this time, the position of the cable needs to be adjusted and assembled again, resulting in inconvenient assembly, low efficiency, and poor product usage experience. Utility Model Content

[0005] The utility model provides an elbow through-hole connector to solve the problem of inconvenient assembly in the prior art.

[0006] The utility model provides an elbow through-hole connector, comprising a shell, a terminal and a conductive device, wherein the shell is provided with intersecting and through-going slots and transfer slots, the conductive device comprises a wire and a connecting portion connected to one end of the wire, the terminal and the connecting portion are respectively inserted from the transfer slot and the slot and conductively connected in the shell, a protrusion is protruding from the inner wall of the slot, when the connecting portion is inserted, the protrusion causes the connecting portion to deviate toward a side away from the terminal, and a groove matching the protrusion is provided on the connecting portion, when the connecting portion is installed in place, the protrusion is embedded in the groove, and the connecting portion overlaps with the terminal and is conductively connected.

[0007] Optionally, the connecting portion and the conducting wire are integrally formed, or the connecting portion is a separately provided transition terminal, the transition terminal is crimped or welded to the conducting wire, and the groove is provided on a side of the connecting portion facing the terminal.

[0008] Optionally, the connecting portion and the terminal are each provided with a through hole on a contact surface, or one of the connecting portion and the terminal is provided with a through hole and the other is provided with a threaded hole, and the connecting portion and the terminal are connected together by a bolt structure.

[0009] Optionally, the terminal includes a conductive part, a torsion part and a plug-in part connected in sequence, the conductive part is located in the shell and is conductively connected to the connecting part, the torsion part and the plug-in part extend out of the shell, and there is a torsion angle of 0°-45° between the extension plane of the plug-in part and the extension plane of the conductive part.

[0010] Optionally, as the optimal choice, the torsion angle is 20°.

[0011] Optionally, the shell includes an outer shell made of conductive material and an inner rubber core made of insulating material arranged in the outer shell, the slot and the adapter slot are arranged in the inner rubber core, and the outer shell has a first window corresponding to the opening of the slot.

[0012] Optionally, the shell further includes a protective shell made of an insulating material disposed outside the outer shell, and the protective shell has a second window corresponding to an opening of the slot.

[0013] Optionally, an installation window and a cover are provided on the outer shell and / or the protective shell, and the inner rubber core includes at least two core bodies, and at least two core bodies are loaded into the outer shell through the installation window, wherein the slot is provided in one of the core bodies, and a switching slot connected to the slot is provided in the other core body.

[0014] Optionally, the shell further includes a wire sealing body and a tail cover arranged at the first window, the wire sealing body and the tail cover are passed through the wire, the wire sealing body is installed in the first window and seals the shell and the wire, and the tail cover is clamped with the shell and fixes the wire sealing body.

[0015] Optionally, the wire sealing body is provided with a plurality of claws facing the tail cover, the plurality of claws surround the wire and are tapered on the outer circumference, and the tail cover is provided with a plurality of accommodating grooves corresponding to the claws one by one, and when the tail cover is clamped and fixed to the shell, the inner wall of the accommodating groove squeezes the claws and abuts against the wire to prevent the wire from rotating relative to the shell.

[0016] The utility model has the following beneficial effects:

[0017] 1. The protrusions provided on the inner wall of the slot of the utility model can cause the connecting part to deviate toward the side away from the terminal when the connecting part is inserted, thereby avoiding the problem of assembly failure caused by interference and collision between the wire and the terminal due to factors such as operation, processing and assembly accuracy, and can achieve one-time successful assembly, improve assembly efficiency, and make assembly more convenient. In addition, the connecting part is provided with a groove that matches the protrusion, which can accommodate the protrusion when the wire is assembled in place, so that the connecting part can smoothly return to its offset state, ensuring correct connection with the terminal and ensuring conductive performance.

[0018] 2. The protrusions and grooves of the utility model have the characteristics of simple and effective structure, no influence on the structure of other components and basically no influence on the overall quality, which is conducive to practical application.

[0019] 3. The matching installation of the groove and the protrusion in the utility model enables the connection part to be quickly positioned relative to the housing, thereby facilitating the subsequent connection part and the terminal to be quickly connected using a bolt structure.

[0020] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.

[0022] Figure 1 is a schematic structural diagram of the elbow via connector of this embodiment;

[0023] Figure 2 Schematic diagram of the exploded structure of the elbow through-hole connector of this embodiment;

[0024] Figure 3 for Figure 1 Schematic cross-sectional view at AA in the middle;

[0025] Figure 4 It is a structural schematic diagram of the second inner rubber core from one perspective;

[0026] Figure 5 A schematic structural diagram of the second inner rubber core from another perspective;

[0027] Figure 6 It is a structural schematic diagram of the transition terminal;

[0028] Figure 7 is a schematic diagram of the structure of the terminal;

[0029] Figure 8 Schematic diagram of the torsion structure of the terminal;

[0030] Fig. 9 It is a schematic diagram of the assembly of the terminal and the transfer housing;

[0031] Fig.10 It is a structural schematic diagram of the sealing body and the tail cover;

[0032] Fig.11 It is a structural schematic diagram of the tail cover;

[0033] The following are marked in the figure:

[0034] 1. Shell; 11. Cover;

[0035] 2. Inner rubber core; 21. First core body; 211. Adapter groove; 22. Second core body; 221. Mounting tube; 222. Mounting buckle; 223. Slot; 224. Bump;

[0036] 3. Bolts;

[0037] 4. wire; 41. connecting portion; 411. groove; 412. through hole; 42. nut;

[0038] 5. Shielding shell;

[0039] 6. Sealing body; 61. Clamping claw;

[0040] 7. Tail cover; 71. Assembly buckle; 72. Accommodation slot;

[0041] 8. Terminal; 81. Conductive part; 82. Torsion part; 83. Insertion part; 84. Bolt hole; 85. Fixing slot; 86. Connection hole;

[0042] 9. Adapter sheath; 91. Sheath buckle; 92. Fixing buckle. DETAILED DESCRIPTION

[0043] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0044] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

[0045] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0046] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0047] An elbow via connector of this embodiment, such as Figure 1-11 As shown, it includes a shell, a terminal 8 and a conductive device. The shell is provided with an intersecting and through slot 223 and a transfer slot 211. The conductive device includes a wire 4 and a connecting part 41 connected to one end of the wire 4. The terminal 8 and the connecting part 41 are respectively inserted from the transfer slot 211 and the slot 223 and conductively connected in the shell. A protrusion 224 is protruding from the inner wall of the slot 223. When the connecting part 41 is inserted, the protrusion 224 causes the connecting part 41 to deviate toward a side away from the terminal 8, and a groove 411 matching the protrusion 224 is provided on the connecting part 41. When the connecting part 41 is installed in place, the protrusion 224 is embedded in the groove 411, and the connecting part 41 is overlapped with the terminal 8 and conductively connected.

[0048] Obviously, the protrusion 224 set on the inner wall of the slot 223 can cause the connecting part 41 to be offset toward the side away from the terminal 8 when the connecting part 41 is inserted, thereby avoiding the problem of assembly failure caused by interference and collision between the wire 4 and the terminal 8 due to factors such as operation, processing and assembly accuracy, and can achieve one-time successful assembly, improve assembly efficiency, and make assembly more convenient. In addition, a groove 411 matching the protrusion 224 is provided on the connecting part 41, which can accommodate the protrusion 224 when the wire 4 is assembled in place, so that the connecting part 41 can smoothly return to its offset state, ensure correct connection with the terminal 8, and ensure conductive performance; at the same time, the combination of the protrusion 224 and the groove 411 has the characteristics of simple and effective structure, no influence on the structure of other components and basically no influence on the overall quality, which is conducive to practical application.

[0049] Furthermore, in order to make the wire 4 made of aluminum rod material and ensure good conductivity, in this embodiment, the connection part 41 is a separately provided transition terminal, and the transition terminal is connected to the wire 4 by welding, that is, the end of the wire 4 is flattened, and then one end of the transition terminal is overlapped and welded behind the end of the wire 4, and the groove 411 is provided on the connection part 41, that is, the side of the transition terminal facing the terminal 8. Of course, the above-mentioned welding connection can also be replaced by existing fixed connection means such as crimping.

[0050] In other embodiments, the connecting portion 41 and the conductive wire 4 may be integrally formed, that is, the structure of the connecting portion 41 may be integrally formed at the end of the conductive wire 4 by extrusion or other processing means. For example, when the conductive wire 4 is made of a copper rod, the connecting portion 41 that meets the above requirements is formed by extruding the end of the conductive wire 4.

[0051] Furthermore, in order to ensure the electrical connection performance between the connection part 41 and the terminal 8, in this embodiment, the connection part 41 and the terminal 8 are each provided with a through hole on the contact surface, and the connection part 41 and the terminal 8 are connected together by a bolt structure. Specifically, in this embodiment, a nut 42 is crimped into the through hole 412 of the connection part 41, and the bolt 3 passes through the through hole of the terminal 8 and is connected to the nut 42. It can be understood that the matching installation of the groove 411 and the protrusion 224 can also enable the connection part 41 to be quickly positioned relative to the housing, thereby facilitating the connection part 41 and the terminal 8 to be quickly connected using the bolt 3.

[0052] In other embodiments, one of the connecting portion 41 and the terminal 8 may be provided with a through hole, and the other may be provided with a threaded hole, so that the bolt 3 passes through the through hole and is directly connected to the threaded hole.

[0053] Furthermore, in order to enable the terminal 8 to smoothly adapt to the cable connector of the corresponding device end, the terminal 8 includes a conductive part 81, a torsion part 82 and a plug-in part 83 which are connected in sequence. The conductive part 81 is located in the shell and is conductively connected to the connecting part 41. Specifically, a bolt hole 84 for a bolt to pass through is provided on the conductive part 81, and the bolt hole 84 constitutes a through hole of the above-mentioned terminal 8. The torsion part 82 and the plug-in part 83 extend out of the shell. The plug-in part 83 is provided with a connecting hole 86 for connecting to the cable connector of the corresponding device end. There is a preset torsion angle of 0°-45° between the extended plane of the plug-in part 83 and the extended plane of the conductive part 81.

[0054] In this embodiment, taking into account factors such as the cable connector at the device end and ensuring the structural strength and conductive performance of the torsion portion 82, the torsion angle is selected as 20° as the optimal choice.

[0055] Furthermore, in this embodiment, considering the structural strength and shielding requirements, the shell includes an outer shell 1 of conductive material and an inner rubber core 2 of insulating material arranged in the outer shell 1, the slot 223 and the adapter slot 211 are arranged in the inner rubber core 2, and the outer shell 1 has a first window corresponding to the opening of the slot 223, and the wire 4 can enter the outer shell 1 and the slot 223 from the first window. Since the outer shell 1 also serves as the main structure, the outer shell 1 is made of suitable metal / alloy material and is relatively thick as a whole.

[0056] In this embodiment, in order to fix the terminal 8 in the housing 1, the terminal 8 is installed in the adapter sheath 9, wherein a fixing slot 85 is provided on the conductive part 81 of the terminal 8, and a fixing buckle 92 is provided on the adapter sheath 9, and the fixing buckle 92 is engaged with the fixing slot 85 to realize a fixed connection between the terminal 8 and the adapter sheath 9; in addition, a sheath buckle 91 is also provided on the adapter sheath 9, and the sheath buckle 91 is engaged with the inner rubber core 2 to realize the fixing of the adapter sheath 9 and the terminal 8 in the housing 1.

[0057] Furthermore, in order to facilitate the connection between the terminal 8 and the connecting part 41 by the bolt structure, in this embodiment, an installation window and a cover 11 are provided on the outer shell 1, and the inner rubber core 2 includes two core bodies, namely a first core body 21 and a second core body 22. The two core bodies are inserted into the outer shell 1 through the installation window, and a slot 223 is provided in one of the core bodies, namely the second core body 22, and a transfer groove 211 connected to the slot 223 is provided in the other core body, namely the first core body 21.

[0058] In other embodiments, the housing may further include a protective shell of an insulating material disposed outside the outer shell 1, the protective shell having a second window corresponding to the opening of the slot 223, and the wire 4 may enter the slot 223 from the second window and the first window. In fact, the protective shell actually constitutes the insulating sheath of the connector, and the outer shell 1 constitutes a shielding shell with a shielding function, and the shielding shell is thin as a whole; the outer shell 1 and the protective shell may be provided with installation windows and a cover 11 according to actual needs and shape adaptation, or if the outer shell 1 already has a preset avoidance opening, only the installation window and the cover 11 are provided on the protective shell. In addition, the number of core bodies of the inner rubber core 2 may be more, and the specific setting relationship of each core body and the set slots 223 and adapter slots 211 may be flexibly adjusted as needed.

[0059] In this embodiment, two sets of adapter slots 211 and slots 223, terminals 8 and transition terminals are provided. Considering installation and processing factors, such as Figure 2 As shown, the second core 22 and the first core 21 together enclose a transition groove 211, one end of the terminal 8 is inserted into the corresponding transition groove 211 and connected to the corresponding transition terminal, and the sheath buckle 91 on the aforementioned transition sheath 9 is actually engaged with the notch of the corresponding transition groove 211 of the inner rubber core 2; in addition, as Figure 4 As shown, in order to fix the second core 22 in the outer shell 1, a mounting tube 221 is extended from one of the slots 223 of the second core 22, and a mounting buckle 222 is provided on the mounting tube 221. After the mounting tube 221 is inserted into the outer shell 1, the mounting buckle 222 is engaged with the mounting slot adapted in the outer shell 1 to fix the second core 22 and the mounting tube 221 in the outer shell 1.

[0060] Furthermore, in order to ensure the seal between the wire 4 and the outer shell 1, the shell also includes a wire sealing body 6 and a tail cover 7 arranged at the first window of the outer shell 1, the wire sealing body 6 and the tail cover 7 are passed through the wire 4, the wire sealing body 6 is installed in the first window and seals the outer shell 1 and the wire 4, and the tail cover 7 is provided with an assembly buckle 71, and the tail cover 7 is clamped with the outer shell 1 through the assembly buckle 71 to fix the wire sealing body 6; in this embodiment, a shielding shell 5 is also installed on the wire 4, the wire sealing body 6 is located between the shielding shell 5 and the tail cover 7, and the shielding shell 5 is electrically connected to the metal shielding layer of the wire 4 and the outer shell 1 of conductive material.

[0061] Furthermore, the wire sealing body 6 is provided with a plurality of claws 61 facing the tail cover 7, the plurality of claws 61 surround the wire 4 and are tapered on the outer periphery, and the tail cover 7 is provided with a plurality of receiving grooves 72 corresponding to the claws 61 one by one. When the tail cover 7 is clamped and fixed to the shell, the inner wall of the receiving groove 72 squeezes the claws 61 so that the claws 61 abut against the wire 4 to prevent the wire 4 from rotating relative to the shell.

[0062] The basic assembly sequence of the elbow through-hole connector provided in this embodiment is as follows: Figure 2 As shown, first, the second core 22 is installed into the shell 1, that is, step S1; then the first core 21 is installed into the shell 1, that is, step S2, at this time, the first core 21 and the second core 22 form an inner rubber core 2; then the assembled terminal 8 and the transfer sheath 9 are installed in the inner rubber core 2, that is, step S3; next, the wire 4 with the transition terminal installed and the shielding shell 5, the sealing body 6, the tail cover 7, etc. are assembled and installed in the shell 1 and the inner rubber core 2, that is, step S4; finally, tighten the bolt 3, and install the cover 11 on the shell 1 to seal the installation window, that is, step S5.

[0063] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. An elbow through-hole connector, comprising a housing, a terminal (8) and a conductive device, wherein the housing is provided with a slot (223) and a transfer slot (211) intersecting and penetrating each other, the conductive device comprises a wire (4) and a connecting portion (41) connected to one end of the wire (4), the terminal (8) and the connecting portion (41) are respectively inserted from the transfer slot (211) and the slot (223) and conductively connected in the housing, characterized in that: A protrusion (224) is protruding from the inner wall of the slot (223); when the connecting portion (41) is inserted, the protrusion (224) causes the connecting portion (41) to deviate toward a side away from the terminal (8); and a groove (411) matching the protrusion (224) is provided on the connecting portion (41); when the connecting portion (41) is installed in place, the protrusion (224) is embedded in the groove (411), and the connecting portion (41) overlaps and is conductively connected to the terminal (8).

2. The elbow through-hole connector according to claim 1, characterized in that: The connecting portion (41) and the conducting wire (4) are integrally formed, or the connecting portion (41) is a separately arranged transition terminal, the transition terminal is crimped or welded to the conducting wire (4), and the groove (411) is arranged on the side of the connecting portion (41) facing the terminal (8).

3. The elbow through-hole connector according to claim 1, characterized in that: The connecting portion (41) and the terminal (8) are each provided with a through hole on the contact surface, or one of the connecting portion (41) and the terminal (8) is provided with a through hole and the other is provided with a threaded hole, and the connecting portion (41) and the terminal (8) are connected together by a bolt structure.

4. The elbow through-hole connector according to claim 1, characterized in that: The terminal (8) comprises a conductive part (81), a twisting part (82) and a plug-in part (83) which are connected in sequence, the conductive part (81) is located in the housing and is conductively connected to the connecting part (41), the twisting part (82) and the plug-in part (83) extend out of the housing, and a twisting angle of 0°-45° is formed between the extension plane of the plug-in part (83) and the extension plane of the conductive part (81).

5. The elbow through-hole connector according to claim 4, characterized in that: The twisting angle is 20°.

6. The elbow through-hole connector according to claim 1, characterized in that: The shell comprises an outer shell (1) made of a conductive material and an inner rubber core (2) made of an insulating material arranged in the outer shell (1); the slot (223) and the adapter slot (211) are arranged in the inner rubber core (2); and the outer shell (1) has a first window corresponding to the opening of the slot (223).

7. The elbow through-hole connector according to claim 6, characterized in that: The housing further comprises a protective shell made of an insulating material arranged outside the outer shell (1), the protective shell having a second window corresponding to the opening of the slot (223).

8. The elbow through-hole connector according to claim 7, characterized in that: The outer shell (1) and / or the protective shell are provided with an installation window and a cover (11), and the inner rubber core (2) comprises at least two core bodies, and the at least two core bodies are installed into the outer shell (1) through the installation window, wherein the slot (223) is provided in one of the core bodies, and a switching slot (211) connected to the slot (223) is provided in the other core body.

9. The elbow through-hole connector according to claim 6, characterized in that: The shell further comprises a wire sealing body (6) and a tail cover (7) arranged at the first window, the wire sealing body (6) and the tail cover (7) being passed through the wire (4), the wire sealing body (6) being installed in the first window and sealing the shell (1) and the wire (4), and the tail cover (7) being snap-connected with the shell (1) and fixing the wire sealing body (6).

10. The elbow through-hole connector according to claim 9, characterized in that: The wire sealing body (6) is provided with a plurality of claws (611) facing the tail cover (7), the plurality of claws (611) surround the wire (42) and have a conical outer periphery, the tail cover (7) is provided with a plurality of receiving grooves (72) corresponding to the claws (611) one by one, and when the tail cover (7) is fixedly engaged with the shell, the inner wall of the receiving groove (72) squeezes the claws (611) and abuts against the wire (42) to prevent the wire (42) from rotating relative to the shell.

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