A small-sized connector with secondary lock structure for vehicle

Abstract

This utility model discloses a miniaturized automotive connector with a secondary locking structure, comprising a first mounting auxiliary component, a male housing, multiple female terminals, multiple male terminals, a female housing, and a second mounting auxiliary component. The multiple female terminals are arranged in two parallel rows and installed within the female terminal mounting channels of the male housing. The first mounting auxiliary component is inserted into the male housing to restrict the displacement of the female terminals within the female terminal mounting channels. The multiple male terminals are arranged in two parallel rows and installed within the male terminal mounting channels of the female housing. The second mounting auxiliary component is inserted into the female housing to restrict the displacement of the male terminals within the male terminal mounting channels. The male housing is inserted into the cavity of the female housing. The connector provided by this utility model has positioning mounting auxiliary components on both the male and female housings. The positioning mounting auxiliary components have a simple structure, which is more conducive to reducing the size and miniaturization of the connector, as well as improving the mechanical stability and vibration resistance of the connector.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, and in particular to a miniaturized automotive connector with a secondary locking structure. Background Technology

[0002] As automotive electronics become increasingly lightweight and high-density, the demand for miniaturized automotive connectors is growing significantly. Current mainstream miniaturized automotive connectors reduce volume by compressing housing size and optimizing terminal layout, but their mechanical stability and vibration resistance are still insufficient due to structural simplification. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a miniaturized automotive connector with a secondary locking structure.

[0004] The present invention solves the above-mentioned technical problems through the following technical solution:

[0005] A miniaturized automotive connector with a secondary locking structure includes a first mounting auxiliary component, a male housing, multiple female terminals, multiple male terminals, a female housing, and a second mounting auxiliary component. The multiple female terminals are arranged in two parallel rows and installed in the female terminal mounting channels of the male housing. The first mounting auxiliary component is inserted into the male housing to restrict the displacement of the female terminals in the female terminal mounting channels. The multiple male terminals are arranged in two parallel rows and installed in the male terminal mounting channels of the female housing. The second mounting auxiliary component is inserted into the female housing to restrict the displacement of the male terminals in the male terminal mounting channels. The male housing is inserted into the cavity of the female housing.

[0006] Preferably, the male housing has two rows of female terminal mounting channels arranged in the front-back direction. Each female terminal mounting channel has a second anti-reverse arm on its upper wall. The second root of the second anti-reverse arm is fixedly connected to the upper wall of the female terminal mounting channel. The second root extends forward and downward to form the second anti-reverse end of the second anti-reverse arm. The second anti-reverse end abuts against the female end of the female terminal to restrict the backward movement of the female terminal in the female terminal mounting channel.

[0007] Preferably, the first mounting auxiliary component is a rectangular cavity, including a front wall, an upper wall, a left wall, and a right wall. The outer surfaces of the left and right walls of the first mounting auxiliary component are respectively provided with parallel first and second latches. The male housing is provided with fourth latches on both the left and right side walls corresponding to the first opening of the first mounting auxiliary component. The fourth latches are locked with the first latches or the second latches.

[0008] Preferably, the front wall of the first mounting auxiliary component is provided with a plurality of first female terminal clip interfaces in the middle, and the number and position of the first female terminal clip interfaces are adapted to the number and position of the female terminals in the upper row; the upper surface of the first female terminal clip interface is provided with a downward protrusion to form a first abutment rib, and the lower surface of the first female terminal clip interface is provided with an upward protrusion to form a reinforcing rib. The first abutment rib abuts against the notch between the female terminal mating end and the female terminal crimping end, and the reinforcing rib abuts against the second root in the lower row of female terminal mounting channels.

[0009] Preferably, the female terminal includes a female mating end and a female crimping end. The female crimping end is used to crimp a wire, and the female mating end is used to electrically connect with the plug end of the male terminal. The left and right ends of the lower sidewall of the female terminal are provided with second stabilizing arms. The male terminal includes a male crimping end, a plug end, and an intermediate end located between the male crimping end and the plug end. The male crimping end is used to crimp a wire, and the outer surface of the upper wall of the intermediate end is provided with a plurality of first stabilizing arms.

[0010] Preferably, a second slide rail is provided on the lower wall of the female terminal mounting channel, and the second slide rail is adapted to the second stabilizing arm; a first slide rail is provided on the upper wall of the male terminal mounting channel, and the first slide rail is adapted to the first stabilizing arm.

[0011] Preferably, the outer surface of the front wall of the male housing is provided with a plurality of insertion slots, the female housing includes a terminal cavity and an insertion cavity, a vertical plate is provided at the connection between the terminal cavity and the insertion cavity, and a plurality of insertion ribs adapted to the insertion slots are provided on the vertical plate.

[0012] Preferably, a second step is provided outside the male housing cavity and on the front surface of the rear wall of the male housing; a first step is also provided on the left and right side walls of the insertion cavity, and the first step and the second step are matched and engaged.

[0013] Preferably, the first opening of the first mounting auxiliary component corresponding to the left and right side walls of the male shell is provided with a first anti-mistake groove in the vertical direction, and the left and right side of the first mounting auxiliary component away from the front wall is provided with a first anti-mistake rib, and the first anti-mistake rib is adapted to the first anti-mistake groove.

[0014] Preferably, the outer surfaces of the left and right side walls of the male housing are provided with a second anti-mistake groove along the front-back direction; the inner surfaces of the left and right side walls of the insertion cavity are provided with a second anti-mistake rib along the front-back direction, and the second anti-mistake rib is adapted to the second anti-mistake groove.

[0015] The beneficial effects of this utility model are:

[0016] (1) The male and female housings of the connector provided by this utility model are provided with installation auxiliary parts to achieve the stability of the female terminal and male terminal installed in the male and female housings;

[0017] (2) For male and female terminals arranged in double rows, the positioning and installation auxiliary component provided by this utility model has a simple structure, which is more conducive to reducing the size of the connector and realizing miniaturization;

[0018] (3) The terminal provided by this utility model is designed with a stabilizing arm, which can prevent the terminal from shaking in the housing and effectively improve the tightness of the terminal installation.

[0019] (4) The positioning and installation auxiliary parts provided by this utility model are provided with reinforcing ribs, which can protect the root of the anti-reverse arm and improve the strength of use. Attached Figure Description

[0020] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the embodiments will be briefly introduced. Obviously, the drawings described below are only one embodiment of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 A schematic diagram of the overall structure of a miniaturized automotive connector with a secondary locking structure provided by this utility model;

[0022] Figure 2 An exploded view of a miniaturized automotive connector with a secondary locking structure provided by this utility model;

[0023] Figure 3 A schematic diagram of the male shell provided by this utility model;

[0024] Figure 4 A schematic diagram of the structure of the mother shell provided by this utility model;

[0025] Figure 5 A first-view structural schematic diagram of the first installation auxiliary component provided by this utility model;

[0026] Figure 6 A second-view structural schematic diagram of the first installation auxiliary component provided by this utility model;

[0027] Figure 7 A schematic diagram of the structure of the female terminal provided by this utility model;

[0028] Figure 8 A schematic diagram of the structure of the male terminal provided by this utility model;

[0029] Figure 9 This utility model provides an overall structural cross-sectional view of a miniaturized automotive connector with a secondary locking structure.

[0030] Explanation of reference numerals in the attached drawings: 10, First mounting auxiliary component; 20, Male housing; 30, Female terminal; 40, Male terminal; 50, Female housing; 60, Second mounting auxiliary component; 11, First abutment rib; 12, Second abutment rib; 13, Reinforcing rib; 14, First latch; 15, Second latch; 16, Clip-on part; 17, First anti-fooling rib; 21, Insertion groove; 22, First pinching part; 23, Second anti-reverse arm; 231, Second root part; 24, Second slide rail; 25, Second step; 31, Second stabilizing arm; 41, First stabilizing arm; 51, Insertion rib; 52, Second anti-fooling rib; 53, First anti-reverse arm; 54, First step. Detailed Implementation

[0031] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0032] like Figure 1-9 As shown, this embodiment provides a miniaturized automotive connector with a secondary locking structure, including a first mounting auxiliary component 10, a male housing 20, multiple female terminals 30, multiple male terminals 40, a female housing 50, and a second mounting auxiliary component 60. The multiple female terminals 30 are arranged in two parallel rows and installed in the female terminal mounting channel of the male housing 20. The first mounting auxiliary component 10 is inserted into the male housing 20 to restrict the displacement of the female terminals 30 in the female terminal mounting channel. The multiple male terminals 40 are arranged in two parallel rows and installed in the male terminal mounting channel of the female housing 50. The second mounting auxiliary component 60 is inserted into the female housing 50 to restrict the displacement of the male terminals 40 in the male terminal mounting channel. The male housing 20 is inserted into the cavity of the female housing 50.

[0033] The male housing 20 has a rectangular cavity structure. A first opening is provided on the upper wall of the male housing 20. The first mounting auxiliary member 10 is inserted into the male housing 20 through the first opening to fix the female terminal 30 within the female terminal mounting channel. Two rows of female terminal mounting channels are arranged along the front-to-back direction inside the male housing 20. Each female terminal mounting channel has a second anti-reverse arm 23 on its upper wall. The second root 231 of the second anti-reverse arm 23 is fixed to the upper wall of the female terminal mounting channel. The second root 231 extends forward and downward to form the second anti-reverse end of the second anti-reverse arm 23, which abuts against the mating end of the female terminal 30 to restrict the backward movement of the female terminal 30 within the female terminal mounting channel. A second slide rail 24 is also provided on the lower wall of the female terminal mounting channel. The second slide rail 24 is adapted to the second stabilizing arm 31 on the lower side of the female terminal 30 to prevent the female terminal 30 from shaking. A first pinching part 22 is also provided at the rear end of the upper wall of the male housing 20 for convenient picking up and installing the male housing 20. A second step 25 is provided on the exterior of the male housing 20 cavity and on the front surface of its rear wall. This second step 25 engages with the first step 54 inside the female housing 50 to increase the tightness and stability of the connection between the male and female housings 20. Second anti-fooling grooves are provided on the outer surfaces of the left and right side walls of the male housing 20 along the front-rear direction, and multiple insertion slots 21 are provided on the outer surface of the front wall of the male housing 20. A fourth locking buckle is provided on both the left and right side walls of the male housing 20 corresponding to the first opening. This fourth locking buckle can lock with the first locking buckle 14 of the first mounting auxiliary component 10 or with the second locking buckle 15. During normal use, the fourth locking buckle locks with the second locking buckle 15. First anti-fooling grooves are provided on the left and right side walls of the male housing 20 corresponding to the first opening along the vertical direction.

[0034] The female housing 50 includes a terminal cavity and a plug-in cavity, and a vertical plate is provided at the connection between the terminal cavity and the plug-in cavity. The male housing 20 is inserted into the plug-in cavity. The terminal cavity has two rows of male terminal mounting channels arranged in the front-back direction. Each male terminal mounting channel has a first anti-reverse arm 53 on its upper wall. The first root of the first anti-reverse arm 53 is fixed to the upper wall of the male terminal mounting channel. The first root extends backward and downward to form the first anti-reverse end of the first anti-reverse arm 53. The first anti-reverse end abuts against the middle end of the male terminal 40 to restrict the forward movement of the male terminal 40 in the male terminal mounting channel. A second opening is provided on the upper wall of the terminal cavity, and third latches are provided on the left and right side walls of the terminal cavity corresponding to the second opening. The second mounting auxiliary component 60 is inserted into the male housing 20 through the second opening to fix the male terminal 40 in the male terminal mounting channel. The third latch can lock with the first latch of the second mounting auxiliary component 60 or with the second latch. When the connector is in normal use, the third latch locks with the second latch. A first slide is also provided on the upper wall of the male terminal mounting channel. The first slide is adapted to the first stabilizing arm 41 on the upper side of the male terminal 40 to prevent the male terminal 40 from shaking. The insertion cavity is a rectangular cavity. A second anti-fooling rib 52 is provided on the inner surface of the left and right side walls of the insertion cavity along the front-back direction. The second anti-fooling rib 52 is adapted to the second anti-fooling groove. The vertical plate is provided with a plurality of insertion ribs 51 adapted to the insertion groove and a plurality of male terminal mounting channel holes. A first step 54 is also provided on the left and right side walls of the insertion cavity. The first step 54 is matched and engaged with the second step 25. Preferably, the outer surface of the upper wall of the insertion cavity is provided with a second pinching part for facilitating the removal and installation of the female housing 50. The left and right side walls of the terminal cavity are provided with first anti-fooling grooves running vertically at the second openings.

[0035] The female terminal 30 includes a female mating end and a female crimping end. The female crimping end is used to crimp a wire, and the female mating end is used to electrically connect with the plug end of the male terminal 40. Second stabilizing arms 31 are provided at both ends of the lower sidewall of the female terminal 30. The male terminal 40 includes a male crimping end, a plug end, and an intermediate end located between the male crimping end and the plug end. The male crimping end is used to crimp a wire, and a plurality of first stabilizing arms 41 are provided on the outer surface of the upper wall of the intermediate end.

[0036] The first installation auxiliary component 10 is a rectangular cavity, including a front wall, an upper wall, a left wall, and a right wall. A latching part 16 is provided on the upper wall to facilitate the installation and removal of the first installation auxiliary component 10. Parallel first latches 14 and second latches 15 are respectively provided on the outer surfaces of the left and right walls. The width of the second latch 15 is greater than the width of the first latch 14; therefore, the locking strength of the second latch 15 is greater than that of the first latch 14. A first anti-misalignment rib 17 is provided on the side of the left and right walls away from the front wall, and the first anti-misalignment rib 17 is adapted to the first anti-misalignment groove on the male housing 20. Multiple first female terminal card interfaces are provided in the middle of the front wall, and the number and position of the first female terminal card interfaces are adapted to the number and position of the female terminals in the upper row. The upper surface of the first female terminal card interface has a downward-facing protrusion forming a first abutment rib 11, and the lower surface of the first female terminal card interface has an upward-facing protrusion forming a reinforcing rib 13. The first abutment rib 11 abuts against the notch between the female terminal mating end and the female terminal crimping end. The reinforcing rib 13 abuts against the second root 231 of the second anti-reverse arm 23 in the lower row female terminal mounting channel, and the second root 231 of the second anti-reverse arm 23 in the upper row female terminal mounting channel abuts against the front wall to prevent the second root 231 from breaking due to the force generated when the female terminal 30 moves backward. The lower end of the front wall has multiple downward-facing notches, the number and position of which are adapted to the number and position of the lower row female terminals. The upper surface of each notch has a downward-facing protrusion forming a second abutment rib 12, which abuts against the notch between the female terminal mating end and the female terminal crimping end. The second mounting auxiliary component 60 has the same structure as the first mounting auxiliary component 10. The various component structures in the male housing 20 and female terminal 30 are adapted to the structure of each component of the first mounting auxiliary component 10. Correspondingly, the female housing 50 and male terminal 40 are also provided with these components, which will not be described in detail here.

[0037] During connector installation, the first mounting aid 10 is inserted into the male housing 20, causing the first latch 14 to engage with the fourth latch. Then, the female terminal 30 is inserted along the first slide rail 24 into the female terminal mounting channel, so that the second anti-reverse end engages with the female terminal mating end of the female terminal 30. The first mounting aid 10 is then moved downwards, causing the second latch 15 to engage with the fourth latch. At this time, the first abutting rib 11 and the second abutting rib 12 abut against the notch between the female terminal mating end and the female terminal crimping end, respectively. The reinforcing rib 13 abuts against the second root 231 of the second anti-reverse arm 23 in the lower row of female terminal mounting channels, and the second root 231 of the second anti-reverse arm 23 in the upper row of female terminal mounting channels abuts against the front wall of the first mounting aid 10. The female housing 50, the second mounting aid 60, and the male terminal are then installed together using the same method. Finally, the male housing 20 is inserted into the insertion cavity of the female housing.

[0038] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A miniaturized automotive connector with a secondary locking structure, characterized in that, include: The system comprises a first mounting auxiliary component (10), a male housing (20), multiple female terminals (30), multiple male terminals (40), a female housing (50), and a second mounting auxiliary component (60). The multiple female terminals (30) are arranged in two parallel rows and installed in the female terminal mounting channel of the male housing (20). The first mounting auxiliary component (10) is inserted into the male housing (20) to restrict the displacement of the female terminals (30) in the female terminal mounting channel. The multiple male terminals (40) are arranged in two parallel rows and installed in the male terminal mounting channel of the female housing (50). The second mounting auxiliary component (60) is inserted into the female housing (50) to restrict the displacement of the male terminals (40) in the male terminal mounting channel. The male housing (20) is inserted into the cavity of the female housing (50).

2. The miniaturized automotive connector with a secondary locking structure as described in claim 1, characterized in that: The male housing (20) has two rows of female terminal mounting channels arranged in the front-back direction. Each female terminal mounting channel has a second anti-reverse arm (23) on its upper wall. The second root (231) of the second anti-reverse arm (23) is fixedly connected to the upper wall of the female terminal mounting channel. The second root (231) extends forward and downward to form the second anti-reverse end of the second anti-reverse arm (23). The second anti-reverse end abuts against the female end mating end of the female terminal (30) to restrict the backward movement of the female terminal (30) in the female terminal mounting channel.

3. The miniaturized automotive connector with a secondary locking structure as described in claim 2, characterized in that: The first mounting auxiliary component (10) is a rectangular cavity, including a front wall, an upper wall, a left wall and a right wall. The outer surfaces of the left and right walls of the first mounting auxiliary component (10) are respectively provided with a parallel first latch (14) and a second latch (15). The male housing (20) is provided with a fourth latch on both the left and right side walls corresponding to the first opening of the first mounting auxiliary component (10). The fourth latch is locked with the first latch (14) or the second latch (15).

4. The miniaturized automotive connector with a secondary locking structure as described in claim 3, characterized in that: The first installation auxiliary component (10) has a plurality of first female terminal card interfaces in the middle of its front wall. The number and position of the first female terminal card interfaces are adapted to the number and position of the female terminals in the upper row. The upper surface of the first female terminal card interface is provided with a protrusion forming a first abutment rib (11) and the lower surface of the first female terminal card interface is provided with a protrusion forming a reinforcing rib (13). The first abutment rib (11) abuts against the notch between the female terminal mating end and the female terminal crimping end. The reinforcing rib (13) abuts against the second root (231) in the lower row of female terminal installation channels.

5. The miniaturized automotive connector with a secondary locking structure as described in claim 1, characterized in that: The female terminal (30) includes a female mating end and a female crimping end. The female crimping end is used to crimp wires, and the female mating end is used to electrically connect with the plug end of the male terminal (40). The left and right ends of the lower sidewall of the female terminal (30) are provided with second stabilizing arms (31). The male terminal (40) includes a male crimping end, a plug end, and an intermediate end located between the male crimping end and the plug end. The male crimping end is used to crimp wires, and the outer surface of the upper wall of the intermediate end is provided with a plurality of first stabilizing arms (41).

6. The miniaturized automotive connector with a secondary locking structure as described in claim 5, characterized in that: A second slide (24) is provided on the lower wall of the female terminal mounting channel, and the second slide (24) is adapted to the second stabilizing arm (31); a first slide is provided on the upper wall of the male terminal mounting channel, and the first slide is adapted to the first stabilizing arm (41).

7. The miniaturized automotive connector with a secondary locking structure as described in claim 1, characterized in that: The male housing (20) has a plurality of insertion slots (21) on the outer surface of its front wall. The female housing (50) includes a terminal cavity and an insertion cavity. A vertical plate is provided at the connection between the terminal cavity and the insertion cavity. A plurality of insertion ribs (51) adapted to the insertion slots (21) are provided on the vertical plate.

8. The miniaturized automotive connector with a secondary locking structure as described in claim 7, characterized in that: A second step (25) is provided outside the cavity of the male housing (20) and on the front surface of the rear wall of the male housing (20); a first step (54) is provided on the left and right side walls of the insertion cavity, and the first step (54) and the second step (25) are matched and engaged.

9. A miniaturized automotive connector with a secondary locking structure as described in claim 3, characterized in that: The first opening of the first mounting auxiliary component (10) corresponding to the left and right side walls of the male shell (20) is provided with a first anti-mistake groove along the vertical direction. The left and right walls of the first mounting auxiliary component (10) are provided with a first anti-mistake rib (17) on the side away from the front wall. The first anti-mistake rib (17) is adapted to the first anti-mistake groove.

10. A miniaturized automotive connector with a secondary locking structure as described in claim 7, characterized in that: The outer surfaces of the left and right side walls of the male housing (20) are provided with a second anti-mistake groove along the front-back direction; the inner surfaces of the left and right side walls of the insertion cavity are provided with a second anti-mistake rib (52) along the front-back direction, and the second anti-mistake rib (52) is adapted to the second anti-mistake groove.

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