CN213660702U - Novel connector of subsidiary terminal secondary locking mechanism of split formula - Google Patents

Abstract

The utility model discloses a novel connector of subsidiary terminal secondary locking mechanism of split formula has solved the technical problem of the design difficulty of terminal secondary lock when more is arranged in the terminal hole of current connector. The utility model discloses a connector main part reaches the terminal secondary lock that links to each other with the connector main part, the connector main part is including main part and connector lower main part on the connector that can dismantle the connection, be provided with corresponding terminal hole under main part and the connector on the connector in the main part, the terminal secondary lock is located on the connector between main part and the connector lower main part, be provided with the locking hole on the terminal secondary lock, be provided with the pre-installation locking unit and the target locking unit of mutually supporting between the main part on terminal secondary lock and the connector, locking hole aligns with the terminal hole when the terminal secondary lock is gone up the main part and is passed through the cooperation of pre-installation locking unit with the connector, locking hole is wrong mutually with the terminal hole when the terminal secondary lock is gone up the main part and is passed through the cooperation of target locking unit with the connector.

Description

Novel connector of subsidiary terminal secondary locking mechanism of split formula

Technical Field

The utility model relates to a technical field of car connector especially indicates a novel connector of subsidiary terminal secondary locking mechanism of split formula.

Background

With the rapid development of the automobile industry, people have more and more requirements on the functionality of automobiles. With the increase of automobile functions, automobile wire harnesses are being diversified and multi-wired. With the increase of wire harnesses, the arrangement of terminal holes of the connector becomes more and more complex, so that a secondary locking of the terminal is often required to be added to increase the holding force of the terminal on the sheath and reduce the risk of the terminal being separated from the sheath. However, the conventional connector is of an integrated structure, and as the number of terminal holes increases, the design of the TPA becomes difficult, especially when the terminal holes of the connector are arranged in 5 rows or more.

Disclosure of Invention

To not enough among the above-mentioned background art, the utility model provides a novel connector of subsidiary terminal secondary locking mechanism of split formula has solved the technical problem of the design difficulty of terminal secondary lock when the terminal hole of current connector is arranged more.

The technical scheme of the utility model is realized like this: the utility model provides a novel connector of subsidiary terminal secondary locking mechanism of split formula, includes connector body and the terminal secondary lock that links to each other with the connector body, its characterized in that: the connector main body comprises a connector upper main body and a connector lower main body which are detachably connected, corresponding terminal holes are formed in the connector upper main body and the connector lower main body, the terminal secondary lock is located between the connector upper main body and the connector lower main body, a locking hole is formed in the terminal secondary lock, a pre-assembly locking unit and a target locking unit which are matched between the terminal secondary lock and the connector upper main body are arranged on the terminal secondary lock and the connector upper main body, the locking hole is aligned with the terminal hole when the terminal secondary lock is matched with the connector upper main body through the pre-assembly locking unit, and the locking hole is staggered with the terminal hole when the terminal secondary lock is matched with the connector upper main body through the target locking unit.

Further, the preassembly locking unit comprises a preassembled radial locking structure, the preassembled radial locking structure comprises a second hanging part arranged on the connector upper main body and a fifth hanging part arranged on the terminal secondary lock, the second hanging part comprises a second protrusion and a second recess, the second protrusion is provided with an outer blocking surface, the fifth hanging part comprises a fifth protrusion, when the preassembly radial locking structure is matched, the profile of the fifth protrusion is matched with the profile of the second recess, and the outer blocking surface is abutted against the fifth protrusion.

Further, the target locking unit comprises a target radial locking structure, the target radial locking structure comprises a second hanging part arranged on the connector main body and a fifth hanging part arranged on the terminal secondary lock, the second hanging part comprises a second protrusion and a second recess, the second protrusion is provided with an inner blocking surface, the fifth hanging part comprises a fifth protrusion, when the target radial locking structure is matched, the profile of the fifth protrusion is matched with the profile of the second protrusion, and the inner blocking surface is abutted against the fifth protrusion.

Further, the terminal secondary lock includes axial section and radial section, the locking hole sets up on radial section, sets up on the axial section fifth department of hanging, and second department of hanging sets up one side of main part on the connector.

Furthermore, one side of the connector upper main body is provided with an axial installation groove, the left side and the right side of the inner wall of the installation groove are provided with the second hanging part, and the left side and the right side of the axial section of the terminal secondary lock are provided with the fifth hanging part.

Furthermore, the preassembly locking unit and the target locking unit share one axial locking structure, the axial locking structure comprises fourth hanging parts arranged on the left and right sides of the radial section and first hanging parts arranged on the left and right sides of a lower port of the connector upper main body, and the first hanging parts are in axial stop fit with the fourth hanging parts.

Furthermore, the first hanging part is a radial groove arranged on the left side and the right side of the lower port of the connector upper main body, and the fourth hanging part is a radial bulge arranged on the left side and the right side of the radial section; the second hitching part is an axial groove arranged on the connector upper main body, and the fifth hitching part is a radial bulge arranged on the left side and the right side of the axial section.

Furthermore, the upper main body of the connector and the connecting end of the lower main body of the connector are detachably connected through a third hanging part and a sixth hanging part.

The utility model provides a terminal secondary lock accessible difference articulates the cooperation at position, realizes installing pre-installation position and the final position of main part on the connector. In the preassembly position, each locking hole of the terminal secondary lock is aligned with each terminal hole of the connector upper main body and each terminal hole of the connector lower main body, and the terminal can be smoothly inserted into the connector; after the terminal inserts main part terminal secondary lock on the connector, connector lower main part, pushes away the terminal secondary lock to final position, and the terminal body can be locked by the terminal secondary lock this moment, and the terminal secondary lock plays secondary locking effect to the terminal promptly to increase the terminal to the holding power of connector, reduce the risk that the terminal breaks away from in the connector. The utility model discloses a design card dismantlement formula connector to set up the terminal secondary lock to including axial section and radial section, not only can realize the pre-installation, can adapt to the more connector locking terminal in terminal hole moreover.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.

Fig. 1 is an isometric view of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a distribution position view of the radial locking structure and the axial locking structure;

FIG. 4 is a cross-sectional view of the axial locking structure after assembly;

FIG. 5 is an enlarged view taken at I in FIG. 4;

FIG. 6 is a cross-sectional view of the radial lock configuration assembled with the pre-lock unit assembled;

FIG. 7 is an enlarged view taken at II in FIG. 6;

FIG. 8 is a cross-sectional view of the radial locking arrangement assembled with the target locking unit engaged;

FIG. 9 is an enlarged view at III of FIG. 8;

FIG. 10 is a view of the detachable configuration of the upper connector body and the lower connector body;

fig. 11 is a cross-sectional view of the upper connector body assembled with the lower connector body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

The utility model provides a novel connector of subsidiary terminal secondary locking mechanism of split formula, as shown in fig. 1 and 2, includes connector main part and the terminal secondary lock 2 that links to each other with the connector main part, the connector main part is including dismantling main part 1 and connector lower part 3 of connecting on the connector. The connector upper main body 1 and the connector lower main body 3 are provided with corresponding terminal holes 1-3, the terminal secondary lock 2 is located between the connector upper main body 1 and the connector lower main body 2, and the terminal secondary lock 2 is provided with locking holes 2-3 matched with the terminal holes 1-3. A pre-assembly locking unit and a target locking unit which are matched with each other are arranged between the secondary terminal lock 2 and the upper connector body 1, when the secondary terminal lock 2 is matched with the upper connector body 1 through the pre-assembly locking unit, the locking holes 2-3 are aligned with the terminal holes 1-3, and when the secondary terminal lock 2 is matched with the upper connector body 1 through the target locking unit, the locking holes 2-3 are staggered with the terminal holes 1-3.

When the secondary terminal lock 2 is matched with the upper connector body 1 through the pre-installed locking unit, the locking hole 2-3 of the secondary terminal lock 2 is aligned with the terminal hole 1-3 of the upper connector body 1, and at the moment, the wiring harness terminal can be smoothly inserted through the upper connector body 1, the secondary terminal lock 2 and the lower connector body 3 in sequence; after the terminal is inserted, push away terminal secondary lock 2 to final position, make terminal secondary lock 2 and connector on main part 1 pass through the locking of target locking unit, and terminal box body can be locked by terminal secondary lock 2 this moment, terminal secondary lock 2 plays the secondary locking effect to the terminal promptly to increase the holding power of terminal to the sheath, reduce the risk that the terminal breaks away from the sheath.

As shown in fig. 3, the pre-assembly locking unit and the target locking unit each include a radial locking structure and an axial locking structure. The radial locking structure of the preassembly locking unit comprises a second hanging part 1-2 arranged on the connector upper main body 1 and a fifth hanging part 2-2 arranged on the terminal secondary lock 2, and the second hanging part 1-2 is in radial stop fit with the fifth hanging part 2-2. The radial locking structure of the target locking unit comprises the second hanging part 1-2 and the fifth hanging part 2-2, and when the target locking unit is matched with the pre-locking unit, as shown in fig. 6 and 8, the second hanging part 1-2 and the fifth hanging part 2-2 are in radial stop matching with different radial depth structural surfaces.

Specifically, as shown in fig. 3, the secondary terminal lock 2 includes an axial section 2-4 and a radial section 2-5, the locking hole 2-3 is disposed on the radial section 2-5, the fifth hanging part 2-2 is disposed on the axial section 2-4, and the second hanging part 1-2 is disposed on one side of the connector upper body 1. An axial installation groove is formed in one side of the connector upper main body 1, the second hanging parts 1-2 are arranged on the left side and the right side of the inner wall of the installation groove, and the fifth hanging parts 2-2 are arranged on the left side and the right side of the axial section 2-4 of the terminal secondary lock 2.

The first hanging part 1-1 is a radial groove arranged on the left side and the right side of a lower port of the connector upper main body 1, and the fourth hanging part 2-1 is a radial bulge arranged on the left side and the right side of the radial section 2-5; the second hanging part 1-2 is an axial groove arranged on the connector upper main body 1, and the fifth hanging part 2-2 is a radial bulge arranged on the left side and the right side of the axial section 2-4.

Further, the preassembly locking unit and the target locking unit share an axial locking structure, the axial locking structure includes fourth hanging parts 2-1 arranged on the left and right sides of the radial section 2-5 and first hanging parts 1-1 arranged on the left and right sides of the lower port of the connector upper main body 1, as shown in fig. 4, the first hanging parts 1-1 are axially and stop-fitted with the fourth hanging parts 2-1. Specifically, as shown in fig. 5, the first hooking portion 1-1 of the upper body 1 of the connector includes a first protrusion 1-1-1 and a first recess 1-1-2; the fourth hanging part 2-1 of the terminal secondary lock 2 comprises a fourth bulge 2-1-1. When the fourth hanging part 2-1 is matched with the first hanging part 1-1, the contour of the fourth bulge 2-1-1 is matched with the contour of the first recess 1-1-2. The first protrusion 1-1-1 of the connector upper main body 1 is provided with a blocking surface 1-1-1a, when the fourth hanging part 2-1 of the terminal secondary lock 2 is matched with the first hanging part 1-1 of the connector upper main body 1, the blocking surface 1-1-1a is abutted against the fourth protrusion 2-1-1, so that the terminal secondary lock 2 can be prevented from being separated upwards or downwards relative to the connector upper main body 1 as shown in figure 4, and the terminal secondary lock 2 can be prevented from horizontally moving relative to the connector upper main body 1 along the direction vertical to the paper surface of figure 4.

Specifically, when the pre-assembled locking unit is mated, as shown in fig. 7, the second hooking portion 1-2 of the upper body 1 of the connector includes a second protrusion 1-2-1 and a second recess 1-2-2; the fifth hanging part 2-2 of the terminal secondary lock 2 includes a fifth projection 2-2-1. When the fifth hanging part 2-2 is mated with the second hanging part 1-2, the profile of the fifth projection 2-2-1 is mated with the profile of the second recess 1-2-2. The second protrusion 1-2-1 of the connector upper body 1 is provided with a blocking surface 1-2-1a, when the fifth hanging part 2-2 of the terminal secondary lock 2 is matched with the second hanging part 1-2 of the connector upper body 1, the blocking surface 1-2-1a is abutted against the fifth protrusion 2-2-1, and the terminal secondary lock 2 can be prevented from moving over relative to the connector upper body 1 along the direction vertical to the paper surface of figure 6 and entering a final position or retreating.

When the target locking unit is fitted, as shown in fig. 9, the second hooking part 1-2 of the upper body 1 of the connector includes a second protrusion 1-2-1 and a second recess 1-2-2; the fifth hanging part 2-2 of the terminal secondary lock 2 includes a fifth projection 2-2-1. When the fifth hanging part 2-2 is mated with the second hanging part 1-2, the profile of the fifth projection 2-2-1 is mated with the profile of the second projection 1-2-1. The second protrusion 1-2-1 of the connector upper body 1 is provided with a blocking surface 1-2-1b, and when the fifth hanging part 2-2 of the terminal secondary lock 2 is matched with the second hanging part 1-2 of the connector upper body 1, the blocking surface 1-2-1b is abutted against the fifth protrusion 2-2-1, so that the terminal secondary lock 2 is prevented from being separated from the final position relative to the connector upper body 1 along the vertical downward direction shown in fig. 7.

Furthermore, the connecting ends of the upper connector main body 1 and the lower connector main body 3 are detachably connected through a third hanging part 1-3 and a sixth hanging part 3-1. As shown in fig. 10 and 11, the third hooking portion 1-3 of the upper connector body 1 includes a snap fin 1-3-1, and the sixth hooking portion 3-1 of the lower connector body 3 includes a third recess 3-1-1, wherein the third recess 3-1-1 has a blocking surface 3-1-1a, and when the third hooking portion 1-3 of the upper connector body 1 is mated with the sixth hooking portion 3-1 of the lower connector body 3, the blocking surface 3-1-1a abuts against the snap fin 1-3-1, preventing the upper connector body 1 from being separated downward from the lower connector body 3 in the direction shown in fig. 10.

The present invention is not exhaustive and is well known to those skilled in the art.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a novel connector of subsidiary terminal secondary locking mechanism of split formula, includes connector body and the terminal secondary lock (2) that link to each other with the connector body, its characterized in that: the connector main body comprises an upper connector main body (1) and a lower connector main body (3) which are detachably connected, corresponding terminal holes (1-4) are formed in the upper connector main body (1) and the lower connector main body (3), a secondary terminal lock (2) is located between the upper connector main body (1) and the lower connector main body (3), locking holes (2-3) are formed in the secondary terminal lock (2), a preassembled locking unit and a target locking unit which are matched between the secondary terminal lock (2) and the upper connector main body (1) are arranged on the secondary terminal lock (2) and the upper connector main body (1), the locking holes (2-3) are aligned with the terminal holes (1-4) when the secondary terminal lock (2) and the upper connector main body (1) are matched through the preassembled locking unit, and the locking holes (2-3) are matched with the terminal holes (1-4) when the secondary terminal lock (2) and the upper connector main body (1) are matched through the target locking unit 4) Are staggered.

2. The novel split connector with a terminal secondary locking mechanism as claimed in claim 1, wherein: the preassembly locking unit comprises a preassembly radial locking structure, the preassembly radial locking structure comprises a second hanging part (1-2) arranged on a connector upper main body (1) and a fifth hanging part (2-2) arranged on a terminal secondary lock (2), the second hanging part (1-2) comprises a second protrusion (1-2-1) and a second recess (1-2-2), the second protrusion (1-2-1) is provided with an outer blocking surface (1-2-1 a), the fifth hanging part (2-2) comprises a fifth protrusion (2-2-1), when the pre-assembled radial locking structures are matched, the profile of the fifth bulge (2-2-1) is matched with the profile of the second recess (1-2-2), and the outer blocking surface (1-2-1 a) abuts against the fifth bulge (2-2-1).

3. The novel split connector with a terminal secondary locking mechanism as claimed in claim 1, wherein: the target locking unit comprises a target radial locking structure, the target radial locking structure comprises a second hanging part (1-2) arranged on the connector upper main body (1) and a fifth hanging part (2-2) arranged on the terminal secondary lock (2), the second hanging part (1-2) comprises a second protrusion (1-2-1) and a second recess (1-2-2), the second protrusion (1-2-1) is provided with an inner blocking surface (1-2-1 b), the fifth hanging part (2-2) comprises a fifth protrusion (2-2-1), when the radial locking structures of the targets are matched, the profile of the fifth bulge (2-2-1) is matched with the profile of the second bulge (1-2-1), and the inner blocking surface (1-2-1 b) abuts against the fifth bulge (2-2-1).

4. The novel split connector with a terminal secondary locking mechanism as claimed in claim 2 or 3, wherein: the terminal secondary lock (2) comprises an axial section (2-4) and a radial section (2-5), the locking hole (2-3) is formed in the radial section (2-5), the axial section (2-4) is provided with the fifth hanging part (2-2), and the second hanging part (1-2) is arranged on one side of the connector upper main body (1).

5. The novel split connector with a terminal secondary locking mechanism as claimed in claim 4, wherein: an axial installation groove is formed in one side of the connector upper main body (1), the second hanging parts (1-2) are arranged on the left side and the right side of the inner wall of the installation groove, and the fifth hanging parts (2-2) are arranged on the left side and the right side of the axial section (2-4) of the terminal secondary lock (2).

6. The novel split connector with a terminal secondary locking mechanism as claimed in claim 5, wherein: the preassembly locking unit and the target locking unit share an axial locking structure, the axial locking structure comprises fourth hanging parts (2-1) arranged on the left side and the right side of a radial section (2-5) and first hanging parts (1-1) arranged on the left side and the right side of a lower port of an upper connector main body (1), and the first hanging parts (1-1) are in axial stop fit with the fourth hanging parts (2-1).

7. The novel split connector with a terminal secondary locking mechanism as claimed in claim 6, wherein: the first hanging part (1-1) is a radial groove arranged on the left side and the right side of a lower port of the connector upper main body (1), and the fourth hanging part (2-1) is a radial bulge arranged on the left side and the right side of the radial section (2-5); the second hanging part (1-2) is an axial groove arranged on the upper connector body (1), and the fifth hanging part (2-2) is a radial protrusion arranged on the left side and the right side of the axial section (2-4).

8. The novel split connector with terminal secondary locking mechanism as claimed in any one of claims 1 to 3 and 5 to 7, wherein: the upper connector main body (1) and the connecting end of the lower connector main body (3) are detachably connected through a third hanging part (1-3) and a sixth hanging part (3-1).

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