CN113097803A

CN113097803A - Locking mechanism of wire harness connector and wire harness connector

Info

Publication number: CN113097803A
Application number: CN202110379370.0A
Authority: CN
Inventors: 林贞亮; 李润国; 夏鸣春; 魏军
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-07-09

Abstract

The invention provides a locking mechanism of a wire harness connector and the wire harness connector, and particularly relates to the field of automobile wire harness connectors. The locking mechanism includes: the middle position of the roller is provided with a rotating shaft, the rotating shaft is connected with the base of the connector, one side of the roller is inwards concave to form an accommodating cavity, and the side wall of the accommodating cavity is inwards concave to form a plurality of limiting grooves; the concave wheel is sleeved on the rotating shaft, is positioned in the accommodating cavity and comprises a wheel body, grooves and convex blocks, the grooves and the convex blocks are distributed on the outer circumference of the wheel body at intervals, and the convex blocks are matched with the limiting grooves; one end of the stop block is rotatably connected with the base of the connector, the other end of the stop block is provided with a limiting column, one end of the limiting column is in contact with the outer circumference of the concave wheel, the other end of the limiting column is in contact with the plug connector of the connector, and a spring is arranged at the joint of the stop block and the base. The invention can avoid the fault caused by the damage of a connector locking mechanism due to various reasons by non-professional maintenance personnel, thereby improving the safety.

Description

Locking mechanism of wire harness connector and wire harness connector

Technical Field

The invention relates to the technical field of automobile wire harness connectors, in particular to a locking mechanism of a wire harness connector and the wire harness connector.

Background

The automobile wire harness is a network main body of an automobile circuit, and the automobile circuit does not exist without the wire harness. The wire harness is a component which is formed by pressing a connector punched by a copper material and an electric wire and cable, then molding and pressing an insulator or adding a metal shell outside, and bundling the connector and the electric wire and cable to form a connecting circuit. The wire harness industry chain comprises wire and cable, connectors, processing equipment, wire harness manufacturing and downstream application industries, the wire harness is widely applied and can be used in the aspects of automobiles, household appliances, computers, communication equipment, various electronic instruments and meters and the like, and the wire harness of the automobile body is connected with the whole automobile body and is generally H-shaped.

Connectors are generally adopted for connecting the wire harness with the wire harness and connecting the wire harness with electrical parts, and automobile wire harness connectors are important parts for connecting various electrical devices and electronic equipment of an automobile, and all connectors adopt locking devices in order to prevent the connectors from being disconnected in the running process of the automobile.

However, the conventional harness connector has some disadvantages in use, such as: traditional pencil connector is the activity grafting structure mostly, and does not have locking device, leads to receiving easy disconnection in connector department when dragging when the car pencil, leads to car pencil to connect the interrupt, and lawless persons steal the inside electronic equipment's of car resource information through the car pencil easily simultaneously, causes user's private data to leak.

And along with automobile industry's rapid development, the improvement of customer's quality of life all has higher requirement to each aspect performance of car, is the focus of design concern to car security performance always, and the connector is the indispensable constitutional part of pencil, and to some safety-related regions, the connector can make twice locking mechanism, guarantees the security performance of car, nevertheless no matter the connector is one locking mechanism or twice locking mechanism, all has the condition of being misused of lock, leads to vehicle function abnormity.

Disclosure of Invention

In view of the above disadvantages of the prior art, an object of the present invention is to provide a locking mechanism of a harness connector and a harness connector, so as to solve the problems of vehicle failure due to misoperation or locking failure, easy disconnection at the connector when an automobile harness is pulled, resulting in connection interruption of the automobile harness, and easy theft of resource information of electronic devices inside an automobile by lawless persons through the automobile harness, resulting in leakage of private data of a user.

In order to achieve the above and other related objects, the present invention provides a locking mechanism for a wire harness connector, including a roller, a concave wheel and a stopper, wherein a rotating shaft is installed at a middle position of the roller, the rotating shaft is connected with a base of the wire harness connector, one side of the roller is concave inwards to form a receiving cavity, and a plurality of limiting grooves are concave inwards on a side wall of the receiving cavity; the concave wheel is sleeved on the rotating shaft and is positioned in the accommodating cavity, the concave wheel comprises a wheel body, grooves and convex blocks, the grooves and the convex blocks are distributed on the outer circumference of the wheel body at intervals, and the convex blocks are matched with the limiting grooves; one end of the stop block is rotatably connected with the base of the wiring harness connector, the other end of the stop block is provided with a limiting column, one end of the limiting column is in contact with the outer circumference of the concave wheel, the other end of the limiting column is in contact with the plug connector of the wiring harness connector, and a spring is arranged at the joint of the stop block and the base; the concave wheel rotates in the roller, and when the limiting column is located in the groove, the locking mechanism is in an unlocking state; when the limiting column is located on the concave wheel except the groove, the locking mechanism is in a locking state.

In an embodiment of the present invention, the concave wheel is fixedly connected to the rotating shaft, and one end of the rotating shaft extends out of the locking mounting seat of the harness connector.

In an embodiment of the invention, the limiting groove is an arc-shaped groove and is uniformly distributed on the side wall of the accommodating cavity.

In an embodiment of the present invention, a plurality of protrusions are uniformly disposed on an outer circumference of the roller, and the protrusions are provided with marks.

In one embodiment of the present invention, the reference number is one or more of a number, a letter, and a color.

In an embodiment of the present invention, the thickness of the concave wheel is larger than the depth of the accommodating cavity.

The present invention also provides a wire harness connector, including: a locking mechanism for a harness connector as described in the above embodiments.

In an embodiment of the present invention, a locking mounting seat is disposed on a base of the harness connector, the rotating shaft is connected to the locking mounting seat, and the roller is rotatably connected to the rotating shaft.

In an embodiment of the present invention, a plurality of locking installation seats are installed on the base, and the locking mechanism is installed in each locking installation seat.

In an embodiment of the invention, a tapered wedge limiting block is arranged on one surface of the plug connector of the wire harness connector, which is in contact with the limiting column of the stop block on the locking mechanism, and the tapered wedge limiting block is used for limiting the spacing between the tapered wedge limiting block and the limiting column so as to lock the plug connector.

In conclusion, the locking mechanism provided by the invention has low requirement on the plugging space of the plug-in unit, is convenient to assemble, can effectively avoid the problem of terminal virtual connection caused by incomplete plugging, reduces market faults and saves maintenance cost. According to the invention, the identification password is arranged on the outer side of the roller, so that the roller can be unlocked only when rolling to the characteristic identification password, and a plurality of structures can be arranged, so that the number of digits of the password is increased, the fault caused by the fact that a non-professional maintenance person destroys the connector locking mechanism due to various reasons is avoided, and the safety is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view illustrating an assembly structure of a locking mechanism of a harness connector according to an embodiment of the present invention;

fig. 2 is a schematic view of a roller structure of a locking mechanism of a harness connector according to an embodiment of the invention;

FIG. 3 is a schematic view of a female wheel structure of a locking mechanism of a harness connector according to an embodiment of the present invention;

fig. 4 is a schematic view of a stop block of the locking mechanism of the harness connector according to an embodiment of the invention;

FIG. 5 is a schematic view of an exemplary embodiment of a harness connector and locking mechanism assembly according to the present invention;

FIG. 6 is a schematic top view of the structure of FIG. 5;

FIG. 7 is a schematic view of a plug according to an embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view taken along line A-A of FIG. 6;

FIG. 9 is an enlarged view of the structure at C in FIG. 8;

FIG. 10 is a schematic cross-sectional view taken along line B-B of FIG. 6;

FIG. 11 is an enlarged view of the structure of FIG. 10 at D;

fig. 12 is a schematic view showing an assembling structure of a locking mechanism of a harness connector according to another embodiment of the present invention.

Description of the element reference numerals

100. A locking mechanism; 10. a roller; 20. a concave wheel; 30. a stopper; 101. a base; 102. a plug-in connector; 103. a locking mounting seat; 104. a wedge limiting block; 11. a rotating shaft; 12. an accommodating chamber; 121. a limiting groove; 13. a boss portion; 21. a wheel body; 22. a groove; 23. a bump; 31. a limiting column; 32. a pin shaft; 201. a concave wheel rod.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

Please refer to fig. 1 to 12. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

When numerical ranges are given in the examples, it is understood that both endpoints of each of the numerical ranges and any value therebetween can be selected unless the invention otherwise indicated. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and the description of the present invention, and any methods, apparatuses, and materials similar or equivalent to those described in the examples of the present invention may be used to practice the present invention.

Referring to fig. 1 to 7, in the present invention, a locking mechanism 100 of a wire harness connector is provided, in the embodiment, the locking mechanism 100 includes a roller 10, a concave wheel 20 and a stopper 30, and the locking mechanism 100 is mounted on a base 101 of the wire harness connector. Specifically, the wire harness connector comprises a base 101 and a plug connector 102, a locking mounting seat 103 is arranged on the base 101, the locking mechanism is installed in the locking mounting seat 103, the plug connector 102 is installed in a cavity of the base 101 to form a complete wire harness connector, and a wedge limiting block 104 is arranged on one side, close to the locking mounting seat 103, of the plug connector 102 so as to be matched with a stop block 30 of the locking mechanism to realize locking.

Referring to fig. 1 to 4, in the present embodiment, the roller 10 is connected to the locking mounting seat 103 through a rotating shaft 11, the rotating shaft 11 is located at a middle position of the roller 10, and the roller 10 can rotate around the rotating shaft 11. In this embodiment, one side of the roller 10 is recessed inwards to form an accommodating cavity 12, and a plurality of limiting grooves 121 are recessed outwards in the circumferential direction on the side wall of the accommodating cavity 12. In this embodiment, the limiting grooves 121 are preferably circular arc-shaped grooves and are uniformly distributed on the side wall of the accommodating cavity 12.

Referring to fig. 1 to 4, in the present embodiment, a plurality of protruding portions 13 are uniformly disposed on an outer circumference of the roller 10, the plurality of protruding portions 13 correspond to the plurality of limiting grooves 121 one by one, and a number is disposed on each protruding portion 13, where the number is, for example, a number 1, 2, 3 …, or, for example, a letter A, B, C …, or, for example, one or more of colors red, yellow, and green …, in the present embodiment, the number is preferably a number, and the number of the protruding portions 13 is, for example, 3 to 10.

Referring to fig. 1 to 4, in the present embodiment, the concave wheel 20 is sleeved on the rotating shaft 11, and is partially located in the accommodating cavity 12 of the roller 10, and the concave wheel 20 is fixedly connected to the rotating shaft 11, one end of the rotating shaft 11 extends out of the locking mounting seat 103 on the base 101, and the concave wheel 20 can move along the axial direction of the rotating shaft 11 by shifting the rotating shaft 11, so that the accommodating cavity 12 of the roller 10 is separated from or moves to the accommodating cavity 12.

Referring to fig. 1 to 4, in the present embodiment, the concave wheel 20 includes a wheel body 21, a concave groove 22 and a convex block 23, the concave groove 22 and the convex block 23 are distributed at intervals on the outer circumference of the wheel body 21, and the convex block 23 is adapted to the limiting groove 121. In this embodiment, the thickness of the wheel body 21 of the concave wheel 20 is greater than the depth of the accommodating cavity 12 of the roller 10, that is, a part of the concave wheel 20 leaks out of the accommodating cavity 12, the thickness of the protrusion 23 is less than the thickness of the wheel body 21, and the protrusion 23 is located in the limiting groove 121, so that the roller 10 can drive the concave wheel 20 to rotate.

Referring to fig. 1 to 4, specifically, when the concave wheel 20 is assembled with the roller 10 by moving the rotating shaft 11, that is, the protrusion 23 of the concave wheel 20 is located in the limiting groove 121 of the roller 10, the concave wheel 20 can be rotated along with the roller 10 by rotating the roller 10, so that the concave groove 22 and other positions of the limiting post 31 of the stopper 30 on the outer circumference of the concave wheel 20 are alternately changed, when the roller 10 rotates to a specific position, the limiting post 31 of the stopper 30 is located in the concave groove 22 to achieve unlocking, and when the limiting post 31 of the stopper 30 is located at other positions on the outer circumference of the concave wheel 20, locking is achieved, and the specific position can be identified by a mark provided on the outer circumference of the roller 10; when the concave wheel 20 is completely separated from the accommodating cavity 12 of the roller 10 by moving the rotating shaft 11, namely the convex block 23 of the concave wheel 20 is completely separated from the limiting groove 121 of the roller 10, the concave wheel 20 can not rotate by rotating the roller 10, and after the marks on the periphery of the roller 10 are rotated and changed, the concave wheel 20 and the roller 10 are assembled again, the password change during unlocking is realized.

Referring to fig. 5 to 11, in the present embodiment, one end of the stopper 30 is rotatably connected to the base 101 of the harness connector, the other end of the stopper is provided with a limiting post 31, one end of the limiting post 31 contacts with the outer circumference of the concave wheel 20, the other end of the limiting post contacts with the plug 102 of the harness connector, and a spring (not shown) is provided at the connection position of the stopper 30 and the base 101. Specifically, the stopper 30 is rotatably connected to the locking mounting seat 103 through a pin 32, and the spring is disposed on the pin 31, and is preferably a torsion spring.

Referring to fig. 5 to 11, in the present embodiment, a wedge stopper 104 is disposed on a surface of the plug 102 contacting the stopper column 31, and the wedge stopper 104 is used for forming a stopper with the stopper column 31 to lock the plug 102.

Referring to fig. 5 to 11, in this embodiment, when the base 101 and the plug 102 of the harness connector are mounted, under the action of the spring, the stopper 30 is lifted up, so that one end of the limiting column 31 is located in the groove 22 of the concave wheel 20, the plug 102 is pushed inward until the harness connector is mounted in place, and then the roller 10 is rotated, so that the concave wheel 20 rotates, so that the limiting column 31 is moved away from the groove 22 and contacts with other positions of the concave wheel 20, so that the limiting column 31 descends against the action of the spring to form a limiting position with the wedge limiting block 104, thereby achieving locking. In this embodiment, the wedge stopper 104 is provided with an inclined surface, so that when the plug 102 is pushed to be mounted on the base 101, interference between the limiting column 31 and the wedge stopper 104 is avoided.

Referring to fig. 5 to 11, in the present embodiment, when the base 101 and the plug 102 of the harness connector are disassembled, the roller 10 is rotated to a specific position, so that the concave wheel 20 rotates, the position-limiting post 31 moves into the groove 22, and the position-limiting post 31 is lifted upwards under the action of the spring to be separated from the wedge position-limiting block 104, thereby unlocking the harness connector for the disassembly.

Referring to fig. 12, in some embodiments, a concave wheel rod 201 is disposed on a side of the concave wheel 20 away from the roller 10, the concave wheel rod 201 is connected with the wheel body 21 of the concave wheel 20 through a clamping structure, and one end of the concave wheel rod 201 extends out of the locking mounting seat 103, when a password needs to be changed, the concave wheel rod 201 is clamped with the concave wheel 20 to move the concave wheel 20, so as to change the password, and after the password is changed, the concave wheel rod 201 is separated from the concave wheel 20, and then the above operations are performed to achieve locking and unlocking.

The present invention also proposes a wire harness connector including the locking mechanism as described in the above embodiments. In some embodiments, a plurality of locking installation seats 103 are arranged on the base 101 of the harness connector, and one locking mechanism is installed in each locking installation seat 103 to increase the number of codes, and the code number on the roller 10 of each locking mechanism adopts one of numbers, letters or colors, or a combination of numbers, letters or colors, and the number of locking mechanisms is preferably 3, so as to improve the safety of the harness connector.

In conclusion, the locking mechanism provided by the invention has low requirement on the plugging space of the plug-in unit, is convenient to assemble, can effectively avoid the problem of terminal virtual connection caused by incomplete plugging, reduces market faults and saves maintenance cost. According to the invention, the identification password is arranged on the outer side of the roller, so that the roller can be unlocked only when rolling to the characteristic identification password, and a plurality of structures can be arranged, so that the number of digits of the password is increased, the fault caused by the fact that a non-professional maintenance person destroys the connector locking mechanism due to various reasons is avoided, and the safety is improved. Therefore, the invention effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A locking mechanism for a harness connector, comprising:

the middle position of the roller is provided with a rotating shaft, the rotating shaft is connected with the base of the wire harness connector, one side of the roller is inwards concave to form an accommodating cavity, and the side wall of the accommodating cavity is inwards concave to form a plurality of limiting grooves;

the concave wheel is sleeved on the rotating shaft, is positioned in the accommodating cavity and comprises a wheel body, a groove and a convex block, the groove and the convex block are distributed on the outer circumference of the wheel body at intervals, and the convex block is matched with the limiting groove;

one end of the stop block is rotatably connected with the base of the wiring harness connector, the other end of the stop block is provided with a limiting column, one end of the limiting column is in contact with the outer circumference of the concave wheel, the other end of the limiting column is in contact with the plug connector of the wiring harness connector, and a spring is arranged at the joint of the stop block and the base;

the concave wheel rotates in the roller, and when the limiting column is located in the groove, the locking mechanism is in an unlocking state; when the limiting column is located on the concave wheel except the groove, the locking mechanism is in a locking state.

2. The locking mechanism of claim 1, wherein the concave wheel is fixedly connected to the rotating shaft, and one end of the rotating shaft extends out of the locking mounting seat of the harness connector.

3. The locking mechanism of a wire harness connector as claimed in claim 1, wherein the limiting groove is a circular arc-shaped groove and is uniformly distributed on the side wall of the accommodating cavity.

4. The locking mechanism of a wire harness connector as claimed in claim 1, wherein a plurality of protrusions are uniformly formed on the outer circumference of the roller, and the protrusions are provided with marks.

5. The locking mechanism of a wire harness connector as claimed in claim 4, wherein the reference number is one or more of a number, a letter and a color.

6. The locking mechanism of a wire harness connector as claimed in claim 1, wherein the thickness of the concave wheel is larger than the depth of the receiving cavity.

7. A wire harness connector, comprising: the locking mechanism of a harness connector as claimed in any one of claims 1 to 8.

8. The locking mechanism of a wire harness connector as claimed in claim 7, wherein the base of the wire harness connector is provided with a locking mounting seat, the rotating shaft is connected with the locking mounting seat, and the roller is rotatably connected with the rotating shaft.

9. The locking mechanism of a wire harness connector as claimed in claim 8, wherein the base has a plurality of locking mounts mounted thereon, each locking mount having the locking mechanism mounted therein.

10. The locking mechanism of a wire harness connector as claimed in claim 7, wherein a wedge stopper is disposed on a surface of the plug of the wire harness connector contacting with the stopper of the locking mechanism, and the wedge stopper is used for limiting the position of the plug with the stopper to lock the plug.