Terminal connector with waterproof structure

Abstract

The utility model discloses a terminal connector with a waterproof structure. The terminal connector comprises a main shell, a terminal assembly and a wire locking assembly. The main shell is provided with a first through cavity penetrating through the two ends. The terminal assembly is arranged in the first through cavity, the socket end of the terminal assembly is provided with a first waterproof structure, and a second waterproof structure is arranged between the socket end of the terminal assembly and the main shell; one end of the cable locking assembly enters the first through cavity and is connected with the terminal assembly, and the other end of the cable locking assembly is provided with a structure for locking and loosening a cable; according to the terminal connector provided by the utility model, the C-shaped clamp spring is ingeniously arranged at the first thread, the position of the terminal fixing shell is limited, the terminal connector with a waterproof structure is formed through the cooperation of the terminal assembly and the wire locking assembly, and the anti-drop capability of the terminal connector is enhanced. The cable locking assembly of the utility model can lock the cable and further enhance the anti-drop capability.

Description

Technical Field

[0001] The utility model relates to a terminal connector, in particular to a terminal connector with a waterproof structure. Background Art

[0002] A connector is a kind of accessory that electronic engineering technicians often come into contact with. Its function is to build a communication bridge between the interrupted or isolated circuits in the circuit, so that the current can flow and the circuit can achieve the predetermined function. Connectors are widely used in various line connections.

[0003] The existing connectors generally include a male socket and a female plug. Both the male socket and the female plug can be used as fixed ends and installed on the device. The male socket and the female plug are generally connected by interference fit. Since the cable is easily bumped externally, the female plug may become loose or disconnected from the male socket, thereby affecting the normal operation of the device.

[0004] Therefore, it is necessary to improve the traditional terminal connector. Summary of the Utility Model

[0005] Aiming at the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a terminal connector with a waterproof structure. The purpose of designing this terminal connector is to enhance the anti-disconnection ability of the male and female ends of the terminal connector.

[0006] To solve the above technical problems, the utility model is realized through the following solutions: A terminal connector with a waterproof structure of the utility model includes:

[0007] A main housing having a first through cavity penetrating both ends;

[0008] A terminal assembly installed in the first through cavity. The insertion end of the terminal assembly has a first waterproof structure, and there is also a second waterproof structure between it and the main housing;

[0009] A wire locking assembly. One end of the wire locking assembly enters the first through cavity and is connected to the terminal assembly, and the other end has a structure for locking and loosening the cable;

[0010] The terminal assembly includes a first sealing ring, a first connecting piece, a second sealing ring, a C-shaped circlip, a terminal fixing shell, and a conductive terminal;

[0011] The first connecting piece has a second through cavity penetrating both ends. A first circumferential groove is provided on the outer wall of its first end, and the first sealing ring is embedded in the first circumferential groove to form the first waterproof structure;

[0012] The second end of the first connecting piece is provided with a first external thread and a plurality of limiting holes within the area of the first external thread. The outer arc surface of the C-shaped circlip is provided with a plurality of protruding buckles, and the plurality of protruding buckles can be buckled into the plurality of limiting holes one by one.

[0013] The outer wall of the first connecting piece is further provided with a second circumferential wall groove, which is close to the inner end of the first external thread. The second circumferential wall groove is embedded with the second sealing ring to form the second waterproof structure.

[0014] The terminal fixing shell has four terminal positioning holes that penetrate through both ends and are separated, and four conductive terminals that are press-fitted into the four terminal positioning holes respectively. The terminal fixing shell is provided with a first cylindrical shell, and the outer wall of the first cylindrical shell is provided with a first step, and the first step can be limited by the C-shaped circlip.

[0015] Furthermore, a snap button mechanism is installed on the main shell.

[0016] Furthermore, the outer side surface of the main shell is provided with an installation groove, shaft holes arranged on both sides of the installation groove, and buckle holes arranged on the outer edge of the installation groove.

[0017] The snap button mechanism includes a rotating shaft, a pressing piece, and an elastic column arranged in the installation groove. The pressing piece is rotatably installed in the installation groove through the rotating shaft. Its first end abuts against the elastic column, and its second end has a buckle head and the buckle head can be buckled into the buckle hole.

[0018] Furthermore, the inner wall of the first through cavity is further provided with a plurality of axially distributed protruding strips and an axially arranged guiding groove, and the guiding groove communicates with the buckle hole.

[0019] Furthermore, the conductive terminal includes a cylindrical terminal and a cascading terminal connected together. Among them, the tail end of the cascading terminal has an outwardly protruding limiting retaining ring.

[0020] Furthermore, the wire locking assembly includes a second connecting piece, a silicone rubber ring, and a locking nut. The second connecting piece has a second cylindrical shell. Its wire clamping end is provided with a second external thread and a claw mouth arranged at the port of the wire clamping end. The claw mouth is internally provided with a silicone rubber ring, and the locking nut is screwed onto the second external thread to be able to contract the claw mouth.

[0021] Compared with the prior art, the beneficial effects of the present utility model are:

[0022] 1. The terminal connector of the present utility model ingeniously sets a C-shaped circlip at the first thread to limit the position of the terminal fixing shell, and then through the cooperation of the terminal assembly and the wire locking assembly, a terminal connector capable of forming a waterproof structure is formed, enhancing the anti-disconnection ability of the terminal connector.

[0023] 2. The thread-locking component of the present utility model can lock the cable, further enhancing the anti-disconnection ability. Brief Description of the Drawings

[0024] Figure 1 It is an exploded view of the terminal connector of the present utility model.

[0025] Figure 2 It is Figure 1 an enlarged view of Area A of

[0026] Figure 3 It is Figure 1 an enlarged view of Area B of

[0027] Figure 4 It is a pre-installation structure diagram of the main housing and the snap button of the present utility model.

[0028] Figure 5 It is an exploded view of the thread-locking component of the present utility model.

[0029] Figure 6 It is an assembly diagram of the terminal connector of the present utility model.

[0030] Figure 7 It is a structure diagram after the main housing and the snap button of the present utility model are assembled.

[0031] Reference numerals in the drawings: first sealing ring 1, first connecting member 2, second sealing ring 3, C-shaped circlip 4, terminal fixing shell 5, conductive terminal 6, rotating shaft 7, main housing 8, snap button 9, second connecting member 10, silicone rubber ring 11, locking nut 12, first circumferential wall groove 21, second circumferential wall groove 22, first external thread 23, limiting hole 24, convex buckle 41, terminal positioning hole 51, first cylindrical shell 52, cylindrical terminal 61, cascading terminal 62, elastic column 81, convex strip 82, guiding groove 83, second cylindrical shell 103, second external thread 101, claw 102. Detailed Embodiments

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model. In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0033] Embodiment 1: The specific structure of the present utility model is as follows:

[0034] Please refer to the attached Figures 1-7 , a terminal connector with a waterproof structure according to the present utility model, which is a male connector and includes a main housing 8, a terminal assembly, and a thread-locking component.

[0035] The main housing 8 has a first through cavity that passes through both ends; the inner wall of the first through cavity is also provided with a plurality of axially distributed convex strips 82 and an axially arranged guide groove 83, and the guide groove 83 is connected to the buckle hole. The function of the convex strips 82 is to prevent the female connector from being plugged in and out with difficulty, so that the female connector can be smoothly plugged in and out with the male connector of the utility model.

[0036] The terminal assembly is installed in the first through cavity, and the socket end of the terminal assembly has a first waterproof structure, and it also has a second waterproof structure between the terminal assembly and the main shell 8; a gap for the female connector to enter is provided between the terminal assembly and the main shell 8, and the gap is an annular cavity.

[0037] One end of the wire locking assembly enters the first through cavity and is connected to the terminal assembly, and the other end has a structure for locking and loosening the cable. The wire locking assembly includes a second connector 10, a silicone rubber ring 11, and a locking nut 12. The second connector 10 has a second cylindrical shell 103, and its wire clamping end is provided with a second external thread 101 and a claw 102 provided at the port of the wire clamping end. The claw 102 has a built-in silicone rubber ring 11. The locking nut 12 is screwed on the second external thread 101 to shrink the claw 102.

[0038] The terminal assembly includes a first sealing ring 1 , a first connecting member 2 , a second sealing ring 3 , a C-shaped retaining spring 4 , a terminal fixing shell 5 and a conductive terminal 6 .

[0039] The first connector 2 has a second through cavity that passes through both ends, and a first round groove 21 is provided on the outer wall of the first end thereof, and the first sealing ring 1 is embedded in the first round groove 21 to form the first waterproof structure. After the female connector enters the annular cavity, it is tightly matched with the first round groove 21 to achieve waterproofing between the female connector and the male connector.

[0040] The second end of the first connecting member 2 is provided with a first external thread 23 and a plurality of limiting holes 24 in the area of ​​the first external thread 23; the outer arc surface of the C-shaped retaining spring 4 is provided with a plurality of protrusions 41, and the plurality of protrusions 41 can be buckled into the plurality of limiting holes 24 one by one; the C-shaped retaining spring 4 is used to block the terminal fixing shell 5 to prevent the terminal fixing shell 5 from detaching from the first connecting member 2.

[0041] The outer wall of the first connecting member 2 is also provided with a second wall-circular groove 22, which is close to the inner end of the first external thread 23, and the second wall-circular groove 22 is embedded in the second sealing ring 3 to form the second waterproof structure; the first connecting member 2 is connected to the second connecting member 10, and the second connecting member 10 is provided with an internal thread, which is connected to the first external thread 23 and pressed against the second sealing ring 3 to achieve a waterproof effect between the first connecting member 2 and the second connecting member 10.

[0042] The terminal fixing shell 5 has four terminal positioning holes 51 that penetrate through both ends and are spaced apart, and four conductive terminals 6 that are press-fitted into the four terminal positioning holes 51 respectively. The terminal fixing shell 5 is provided with a first cylindrical shell 52, and the outer wall of the first cylindrical shell 52 is provided with a first step, and the first step can be limited by the C-shaped circlip 4. The conductive terminal 6 includes a cylindrical terminal 61 and a cascading terminal 62 that are connected together. Among them, the tail end of the cascading terminal 62 has an outwardly protruding limit retaining ring. As Figure 3 shown, after the cascading terminal 62 enters the terminal positioning hole 51, its limit retaining ring will be limited by the orifice of the terminal positioning hole 51 to prevent the conductive terminal 6 from passing through the terminal positioning hole 51.

[0043] Embodiment 2:

[0044] A snap mechanism is installed on the main shell 8. The outer side surface of the main shell 8 is provided with an installation groove, shaft holes on both sides of the installation groove, and a snap hole on the outer edge of the installation groove;

[0045] The snap mechanism includes a rotating shaft 7, a pressing member 9, and an elastic column 81 arranged in the installation groove. The pressing member 9 is rotatably installed in the installation groove through the rotating shaft 7. Its first end abuts against the elastic column 81, and its second end has a buckle head that can be buckled into the buckle hole.

[0046] In summary, the terminal connector of the present invention cleverly sets the C-shaped circlip at the first thread to limit the position of the terminal fixing shell. Then, through the cooperation of the terminal assembly and the wire locking assembly, a terminal connector with a waterproof structure is formed, enhancing the anti-disconnection ability of the terminal connector. The wire locking assembly of the present invention can lock the cable, further enhancing the anti-disconnection ability.

[0047] The above is only the preferred embodiment of the present invention, and it does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be included in the patent protection scope of the present invention by the same token.

Claims

1. A terminal connector with a waterproof structure, characterized in that, Comprising: A main housing (8) having a first through cavity penetrating both ends; A terminal assembly installed in the first through cavity, the insertion end of the terminal assembly having a first waterproof structure, and there being a second waterproof structure between it and the main housing (8); A wire locking assembly, one end of which enters the first through cavity and is connected to the terminal assembly, and the other end having a structure for locking and releasing a cable; The terminal assembly includes a first sealing ring (1), a first connecting member (2), a second sealing ring (3), a C-shaped circlip (4), a terminal fixing housing (5), and a conductive terminal (6); The first connecting member (2) has a second through cavity penetrating both ends, and a first circumferential groove (21) is provided on the outer wall of its first end, and the first sealing ring (1) is embedded in the first circumferential groove (21) to form the first waterproof structure; The second end of the first connecting member (2) is provided with a first external thread (23) and a plurality of limiting holes (24) in the area of the first external thread (23), and a plurality of protruding buttons (41) are provided on the outer arc surface of the C-shaped circlip (4), and the plurality of protruding buttons (41) can be inserted into the plurality of limiting holes (24) one by one; A second circumferential groove (22) is further provided on the outer wall of the first connecting member (2), the second circumferential groove (22) is close to the inner end of the first external thread (23), and the second sealing ring (3) is embedded in the second circumferential groove (22) to form the second waterproof structure; The terminal fixing housing (5) has four terminal positioning holes (51) penetrating both ends and separated from each other, and four conductive terminals (6) are press-fitted into the four terminal positioning holes (51) respectively. The terminal fixing housing (5) is provided with a first cylindrical housing (52), and a first step is provided on the outer wall of the first cylindrical housing (52), and the first step can be limited by the C-shaped circlip (4).

2. The terminal connector with a waterproof structure according to claim 1, characterized in that A snap mechanism is installed on the main housing (8).

3. The terminal connector with a waterproof structure according to claim 2, characterized in that, The outer side surface of the main housing (8) is provided with a mounting groove, shaft holes provided on both sides of the mounting groove, and a snap hole provided on the outer edge of the mounting groove; The snap mechanism includes a rotating shaft (7), a pressing member (9), and an elastic column (81) provided in the mounting groove. The pressing member (9) is rotatably installed in the mounting groove through the rotating shaft (7), its first end abuts against the elastic column (81), and its second end has a snap head and the snap head can be inserted into the snap hole.

4. The terminal connector with a waterproof structure according to claim 3, characterized in that, A plurality of axially distributed ridges (82) and an axially arranged guide groove (83) are further provided on the inner wall of the first through cavity, and the guide groove (83) communicates with the snap hole.

5. The terminal connector with a waterproof structure according to claim 1, wherein, The conductive terminal (6) includes a cylindrical terminal (61) and a cascading terminal (62) connected together. Among them, the tail end of the cascading terminal (62) has an outwardly protruding limiting retaining ring.

6. The terminal connector with a waterproof structure according to claim 1, wherein The thread-locking assembly includes a second connecting member (10), a silicone rubber ring (11) and a lock nut (12). The second connecting member (10) has a second cylindrical shell (103), and its wire-clamping end is provided with a second external thread (101) and a claw (102) provided at the port of the wire-clamping end. The claw (102) is internally provided with a silicone rubber ring (11), and the lock nut (12) is screwed onto the second external thread (101) to be able to contract the claw (102).

Images