Assembled electric connector

Abstract

The utility model discloses an assembly type electric connector, relates to the electric connector technology field, the assembly type electric connector comprises a protection shell, a wire locking shell and a sleeve, the wire locking shell is arranged in the protection shell, the wire locking shell comprises a fixed cylinder and a limiting convex part, the fixed cylinder is provided with an accommodation cavity, the limiting convex part is arranged at one end of the fixed cylinder, the sleeve is accommodated in the accommodation cavity, and the sleeve is arranged in the accommodation cavity. And the spring abuts against the limiting convex part. According to the technical scheme of the utility model, the wire locking shell is arranged in the protective shell, and the accommodating cavity is arranged in the wire locking shell; then a sleeve is additionally arranged, the sleeve is contained in the containing cavity of the wire locking shell, and the limiting protruding part on the wire locking shell abuts against the sleeve so as to limit the sleeve to be separated from the containing cavity. The fixing cavity is formed in the sleeve, the cable is installed in the fixing cavity in the sleeve, the sleeve can separate the cable from the protective shell, the situation that silk threads on the cable roll up and make direct contact with the protective shell to cause short circuit is avoided, and normal use of the electric connector is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to an assembled electric connector. Background Art

[0002] With the rapid development of electronic technology, electronic products are prevalent in every corner of society, such as computers, tablets, etc. When users want to transmit data signals or connect electronic products with other devices, they generally need to use electrical connectors for connection.

[0003] At present, the electrical connector includes a protective shell, a plurality of terminals received in the protective shell, and a cable electrically connected to the terminals. The core wires on the cable are connected to the terminals by welding. However, since some wires on the core wires are easily curled and contact the protective shell, when the core wires are welded to the terminals, the wires of the core wires may contact the shielding protective shell and short-circuit, which affects the use of the electrical connector. Utility Model Content

[0004] The main purpose of the utility model is to provide an assembled electrical connector, aiming to solve the problem that when the core wire and the terminal are welded in the existing electrical connector, the wire of the core wire may contact and short-circuit with the shielding protective shell.

[0005] To achieve the above-mentioned purpose, the utility model provides an assembled electrical connector, comprising:

[0006] Protective case;

[0007] A wire locking shell, which is arranged inside the protective shell, and comprises a fixing cylinder and a limiting convex portion, wherein the fixing cylinder is provided with a containing cavity, and the limiting convex portion is arranged at one end of the fixing cylinder; and

[0008] The sleeve is received in the accommodating cavity and abuts against the limiting convex portion, and the sleeve is provided with a fixing cavity for accommodating the cable.

[0009] In one embodiment, the fixing tube is provided with an advancement notch, the advancement notch is communicated with the accommodating cavity, and the sleeve is inserted into the advancement notch and accommodated in the accommodating cavity.

[0010] In one embodiment, the protective shell includes an outer shell and a connecting shell, the connecting shell is arranged inside the outer shell, the locking wire shell is arranged inside the connecting shell, the connecting shell is protrudingly provided with a pressing block, the fixing tube is provided with a clamping hole, the pressing block is clamped into the clamping hole and presses against the sleeve.

[0011] In one embodiment, the assembled electrical connector further comprises a plug-in structure, which is mounted on an end of the connecting shell away from the limiting protrusion, the plug-in structure abuts against the sleeve, and the sleeve is limited between the plug-in structure and the limiting protrusion.

[0012] In one embodiment, the assembled electrical connector further comprises a wiring portion, wherein the wiring portion is mounted on the limiting protrusion, and a wiring hole is formed between the wiring portion and the limiting protrusion, and the wiring hole is connected to the fixing cavity.

[0013] In one embodiment, the assembled electrical connector further includes a screw, and both the limiting protrusion and the alignment portion are provided with screw holes, and the screw passes through the screw holes to connect the alignment portion and the limiting protrusion.

[0014] In one embodiment, the limiting protrusion has a semi-circular shape.

[0015] In one embodiment, the protective shell further includes a tail shell, which is mounted on the connecting shell and extends in a direction away from the outer shell.

[0016] In one embodiment, a nut is installed at one end of the tail shell away from the outer shell.

[0017] In one embodiment, a sealing ring is installed between the nut and the wire locking housing, and the sealing ring is arranged inside the tail housing.

[0018] The technical solution of the utility model is to arrange the wire lock shell inside the protective shell, and to set a receiving cavity inside the wire lock shell; then to add a sleeve, the sleeve is received in the receiving cavity of the wire lock shell, and the limiting convex part on the wire lock shell abuts against the sleeve to limit the sleeve from leaving the receiving cavity. A fixed cavity is arranged inside the sleeve, and the cable is installed in the fixed cavity inside the sleeve. The sleeve can separate the cable from the protective shell, and avoid the situation where the wire on the cable curls up and directly contacts the protective shell to short-circuit, so as to ensure the normal use of the electrical connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 A schematic structural diagram of an embodiment of an assembled electrical connector provided by the utility model;

[0021] Figure 2A cross-sectional view of an embodiment of an assembled electrical connector provided by the utility model;

[0022] Figure 3 A schematic diagram of the exploded structure of an embodiment of an assembled electrical connector provided by the utility model;

[0023] Figure 4 A schematic diagram of the three-dimensional structure of an embodiment of the present invention when the wire locking housing, sleeve, wire fixing part and screw are assembled together;

[0024] Figure 5 The present invention is a schematic diagram of the exploded structure of a wire locking housing, a sleeve, a wire fixing portion and a screw according to an embodiment of the present invention.

[0025] Description of Figure Numbers:

[0026] 100, assembled electrical connector; 10, protective shell; 11, outer shell; 12, connecting shell; 120, pressing block; 13, tail shell; 14, nut; 15, sealing ring; 16, wire clamp;

[0027] 20, locking wire shell; 21, fixing cylinder; 210, accommodating cavity; 211, advancing notch; 22, limiting convex part; 220, screw hole; 23, clamping hole;

[0028] 30. sleeve; 31. fixed cavity;

[0029] 40. Line fixing part; 41. Line passing hole; 42. Screw;

[0030] 50. Plug-in structure.

[0031] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0034] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0035] The existing electrical connector includes a protective shell 10, a plurality of terminals received in the protective shell 10, and cables electrically connected to the terminals. The core wires on the cable are connected to the terminals by welding. However, since some wires on the core wires are easily curled and contact the protective shell 10, when the core wires are welded to the terminals, the wires of the core wires may contact and short-circuit the shielding protective shell 10, which affects the use of the electrical connector.

[0036] The utility model provides an assembled electrical connector 100. Figure 2 , Figure 4 and Figure 5 The assembled electrical connector 100 proposed by the utility model comprises:

[0037] Protective shell 10;

[0038] A wire locking shell 20, which is disposed inside the protective shell 10, and includes a fixing cylinder 21 and a limiting protrusion 22, wherein the fixing cylinder 21 is provided with a receiving cavity 210, and the limiting protrusion 22 is disposed at one end of the fixing cylinder 21; and

[0039] The sleeve 30 is received in the accommodating cavity 210 and abuts against the limiting protrusion 22 . The sleeve 30 is provided with a fixing cavity 31 for accommodating a cable.

[0040] In one embodiment, the sleeve 30 is a cylindrical structure. The cable is installed in the fixed cavity 31 of the sleeve 30, and the protective shell 10 and the cable are isolated by the sleeve 30 to prevent the wires on the cable from contacting the protective shell 10, thereby avoiding the situation where the cable and the terminal are welded and the cable and the protective shell 10 are in contact and short-circuited.

[0041] The technical solution of the utility model is to arrange the wire lock shell 20 inside the protective shell 10, and to set a receiving cavity 210 in the wire lock shell 20; then to add a sleeve 30, the sleeve 30 is received in the receiving cavity 210 of the wire lock shell 20, and the limiting protrusion 22 on the wire lock shell 20 abuts against the sleeve 30 to limit the sleeve 30 from being separated from the receiving cavity 210. The sleeve 30 is provided with a fixed cavity 31, and the cable is installed in the fixed cavity 31 in the sleeve 30. The sleeve 30 can separate the cable from the protective shell 10, and avoid the situation where the wire on the cable curls up and directly contacts the protective shell 10 to short-circuit, so as to ensure the normal use of the assembled electrical connector 100.

[0042] In one embodiment, the sleeve 30 is made of soft rubber material.

[0043] In order to facilitate installation of the sleeve 30 into the accommodating cavity 210 , the fixing cylinder 21 is provided with an advancement notch 211 , the advancement notch 211 is communicated with the accommodating cavity 210 , and the sleeve 30 is inserted into the advancement notch 211 and accommodated in the accommodating cavity 210 .

[0044] In one embodiment, the sleeve 30 is provided with two advancement notches 211, so that the sleeve 30 can be inserted from one of the advancement notches 211, and then the sleeve 30 can be inserted into the accommodating cavity 210, and the sleeve 30 abuts against the limiting protrusion 22 of the locking wire shell 20, and the installation method of the sleeve 30 is simple and quick.

[0045] See also Figure 1 , Figure 2 and Figure 3 In order to further limit the sleeve 30 in the accommodating cavity 210, the protective shell 10 includes an outer shell 11 and a connecting shell 12. The connecting shell 12 is arranged inside the outer shell 11, and the locking wire shell 20 is arranged inside the connecting shell 12. Figure 2 The connection shell 12 is provided with a pressing block 120 protruding therefrom, and the fixing tube 21 is provided with a clamping hole 23 . The pressing block 120 is clamped into the clamping hole 23 and pressed against the sleeve 30 .

[0046] In one embodiment, the outer shell 11 and the connection shell 12 can be connected by thread connection. The locking wire shell 20 is installed in the connection shell 12.

[0047] Among them, a pressing block 120 is protruding from the inner wall of the locking housing 20 corresponding to the clamping hole 23, and the sleeve 30 is inserted into the accommodating cavity 210, and the pressing block 120 is clamped into the clamping hole 23 of the locking housing 20, so that the locking housing 20 is limited in the connecting housing 12 and cannot rotate. And the pressing block 120 presses against the sleeve 30, so that the sleeve 30 is limited in the accommodating cavity 210 and is not easy to shake.

[0048] The outer shell 11 and the connecting shell 12 may be connected by threaded connection.

[0049] See also Figure 2 and Figure 3 In order to prevent the sleeve 30 from escaping from the accommodating cavity 210, the assembled electrical connector 100 also includes a plug-in structure 50, which is installed at one end of the connecting shell 12 away from the limiting protrusion 22, and the plug-in structure 50 abuts against the sleeve 30, and the sleeve 30 is limited between the plug-in structure 50 and the limiting protrusion 22.

[0050] In one embodiment, the plug-in structure 50 is installed inside the connecting shell 12, and the plug-in structure 50 abuts against the locking shell 20. Figure 2 The sleeve 30 is received in the accommodating cavity 210 of the lock wire housing 20, one end of the sleeve 30 abuts against the limiting protrusion, and the other end abuts against the plug-in structure 50, so that the sleeve 30 is limited between the plug-in structure 50 and the limiting protrusion 22, thereby preventing the sleeve 30 from being separated from the accommodating cavity 210. The plug-in structure 50 can be connected to the connecting housing 12 by a snap-on method. Furthermore, the plug-in structure 50 is installed with a terminal, and the terminal is connected to the cable in the sleeve 30 by welding.

[0051] See also Figure 3 , Figure 4 and Figure 5 The assembled electrical connector 100 further includes a wiring portion 40 , which is mounted on the limiting protrusion 22 , and a wiring hole 41 is formed between the wiring portion 40 and the limiting protrusion 22 , and the wiring hole 41 is connected to the fixing cavity 31 .

[0052] In one embodiment, the limiting protrusion 22 can be used to connect with the wiring portion 40 to enclose a wiring hole 41 , thereby facilitating the cable to pass through the wiring hole 41 and enter the fixing cavity 31 of the sleeve 30 .

[0053] The assembled electrical connector 100 further includes a screw 42 . Both the limiting protrusion 22 and the alignment portion 40 are provided with a screw hole 220 . The screw 42 passes through the screw hole 220 to connect the alignment portion 40 and the limiting protrusion 22 .

[0054] In one embodiment, after the cable and the terminal are welded, the cable can be installed in the sleeve 30 and passed through the wire hole 41. The screw 42 is installed on the wire fixing part 40 and the wire locking shell 20 to lock the wires on the cable.

[0055] Optionally, the limiting protrusion 22 has a semi-annular shape.

[0056] Specifically, the wire-passing hole 41 is a circular hole, and the shape of the limiting protrusion 22 is set to be semi-circular, so as to facilitate the cable to pass through the wire-passing hole 41 and enter the fixing cavity 31 of the sleeve 30.

[0057] In order to protect the wire locking housing 20 and the wiring portion 40 , the protection housing 10 further includes a tail housing 13 . The tail housing 13 is mounted on the connection housing 12 and extends in a direction away from the outer housing 11 .

[0058] In one embodiment, the tail shell 13 is connected to the connection shell 12 , the wire locking shell 20 and the wire fixing portion 40 are located inside the tail shell 13 , and the tail shell 13 can protect the wire locking shell 20 and the wire fixing portion 40 .

[0059] The tail housing 13 is threadedly connected to the connecting housing 12 .

[0060] See also Figure 1 , Figure 2 and Figure 3 A nut 14 is installed at one end of the tail shell 13 away from the outer shell 11 . Further, a sealing ring 15 is installed between the nut 14 and the locking shell 20 , and the sealing ring 15 is arranged inside the tail shell 13 .

[0061] In one embodiment, the cable enters from the nut 14 , passes through the sealing ring 15 and the wire hole 41 , enters into the fixing cavity 31 of the sleeve 30 , and is connected to the terminal on the plug-in structure 50 .

[0062] A wire clamp 16 may be installed between the sealing ring 15 and the nut 14 , so that the cable can enter through the nut 14 and the wire clamp 16 without being easily loosened.

[0063] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An assembled electrical connector, characterized in that: include: Protective case; A wire locking shell, which is arranged inside the protective shell, and comprises a fixing cylinder and a limiting convex portion, wherein the fixing cylinder is provided with a containing cavity, and the limiting convex portion is arranged at one end of the fixing cylinder; and The sleeve is received in the accommodating cavity and abuts against the limiting convex portion, and the sleeve is provided with a fixing cavity for accommodating the cable.

2. The assembled electrical connector according to claim 1, wherein: The fixing tube is provided with an advancement notch, the advancement notch is communicated with the accommodating cavity, and the sleeve is inserted into the advancement notch and accommodated in the accommodating cavity.

3. The assembled electrical connector according to claim 1, wherein: The protective shell includes an outer shell and a connecting shell, the connecting shell is arranged inside the outer shell, the locking wire shell is arranged inside the connecting shell, the connecting shell is protrudingly provided with a pressing block, the fixing tube is provided with a clamping hole, the pressing block is clamped into the clamping hole and presses against the sleeve.

4. The assembled electrical connector according to claim 3, wherein: The assembled electrical connector further comprises a plug-in structure, which is mounted on an end of the connection shell away from the limiting protrusion, the plug-in structure abuts against the sleeve, and the sleeve is limited between the plug-in structure and the limiting protrusion.

5. The assembled electrical connector according to any one of claims 1 to 4, characterized in that: The assembled electrical connector further comprises a wiring portion, which is mounted on the limiting protrusion, and a wiring hole is formed between the wiring portion and the limiting protrusion, and the wiring hole is communicated with the fixing cavity.

6. The assembled electrical connector according to claim 5, characterized in that: The assembled electrical connector further comprises a screw, and both the limiting protrusion and the alignment portion are provided with screw holes, and the screw passes through the screw holes to connect the alignment portion and the limiting protrusion.

7. The assembled electrical connector according to claim 5, characterized in that: The outer shape of the limiting protrusion is set to be semi-annular.

8. The assembled electrical connector according to claim 3 or 4, characterized in that: The protective shell further includes a tail shell, which is mounted on the connecting shell and extends in a direction away from the outer shell.

9. The assembled electrical connector according to claim 8, wherein: A nut is installed at one end of the tail shell away from the outer shell.

10. The assembled electrical connector according to claim 9, wherein: A sealing ring is installed between the nut and the wire locking shell, and the sealing ring is arranged inside the tail shell.

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