CN215834771U

CN215834771U - Pre-installation connector mechanism with two-stage anti-return function

Info

Publication number: CN215834771U
Application number: CN202122067549.0U
Authority: CN
Inventors: 向省骏; 袁自友; 闫丁丁; 田磊; 赵丽娜
Original assignee: Xiamen Weien Electric Co ltd Chengdu Branch
Current assignee: Xiamen Weien Electric Co ltd Chengdu Branch
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-15
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to a connector mechanism with a two-stage anti-back-off function, which comprises a shell, a mounting plate and at least one wiring terminal, wherein the shell is provided with a first mounting hole and a second mounting hole; the mounting plate is provided with a buckle and an elastic arm; the shell is provided with a pre-installed bayonet and a stop bayonet which are matched with the buckles; the wiring terminal is provided with a locking part, a clamping position is arranged in the mounting plate, and the locking part is arranged in the clamping position; the buckle is clamped into the termination bayonet from the pre-installation bayonet, and the elastic arm locks the wiring terminal after elastic deformation. This connector mechanism of position function is prevented moving back by pre-installation second grade through adding two buckles on the casing, inserts the in-process in the casing at the mounting panel, and the buckle is gone into earlier the card and is gone into in the pre-installation bayonet socket, goes into afterwards to terminate in the bayonet socket, and elastic deformation takes place after the elastic arm on the mounting panel receives the extrusion and locks binding post. According to the technical scheme, the problem of disconnection caused by failure of the terminal clamping point and the elastic sheet is solved, and the safety, stability and reliability of power and data transmission are effectively improved.

Description

Pre-installation connector mechanism with two-stage anti-return function

Technical Field

The utility model relates to the technical field of connectors, in particular to a connector mechanism with a two-stage anti-back-off function.

Background

The connector is widely applied to various occasions, is generally used for transmitting electric energy, data signals and the like, and has higher requirements on internal water resistance, signal interference and connection stability. Since the beginning of the twentieth century, many innovations and advances have been developed in the history of automobile development, which makes the automobile connection technology of today rather mature and outstanding, and these advances are always centered around on-board chargers (OBC), DC/DC converters, electric heaters (PTC), Air Compressors (AC), controllers, power batteries, driving quality, fuel sources, on-board data relays, in-vehicle entertainment, and the like. These data teach constant updating of the connector without disconnecting, and also require that the connector not only ensure the safety, stability and reliability of data and power transmission between the battery and other voltage devices when the high voltage terminal is connected; at the same time, new requirements are also made for reliable connection of the voltage control loop.

When the terminal is fixed with the housing, the conventional connector often has a clamping point or a spring plate mechanism for fixedly connecting the terminal in order to better ensure that the terminal is in a correct position. However, the conventional products are easy to cause the failure of the clamping points or the elastic sheets, and the terminals can move back, so that the problems of complete separation of the socket and the plug and connection failure can be caused due to the fact that the conventional products are not provided with pre-installed clamping positions. Therefore, the terminal clamping point and the spring sheet are easy to lose efficacy, and the switch connection is easy to retreat, which is a problem to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a connector mechanism with a two-stage anti-back-off function.

A preassembled two-stage anti-unseat connector mechanism comprising: the shell, the mounting plate and the at least one wiring terminal; the mounting plate is provided with a buckle and an elastic arm; the shell is provided with a pre-installed bayonet and a stop bayonet which are matched with the buckles; the wiring terminal is provided with a locking part, a clamping position is arranged in the mounting plate, and the locking part is arranged in the clamping position; the buckle is clamped into the termination bayonet from the pre-installation bayonet, and the wiring end is locked after the elastic arm is elastically deformed.

Wherein, in order to more firmly lock binding post, avoid it to break away from preset position, the buckle certainly pre-installation bayonet socket moves forward and block in the card terminate the bayonet socket, elastic arm takes place after elastic deformation with the rear end terminal surface butt of locking portion, and then will wiring end locking.

In order to enable the elastic arm to fix the locking part after elastic deformation, a downward pressing bulge extending outwards is arranged on the elastic arm, and an inclined guide surface is arranged on the shell; when the buckle is clamped into the termination bayonet from the pre-installation bayonet, the pressing protrusion interferes with the inclined guide surface, and the elastic arm locks the wiring end after being pressed down.

In order to enable the elastic arm to fix the locking part after being elastically deformed, an outward supporting bulge extending inwards is arranged on the elastic arm; when the locking part is inserted into the clamping position, the inner side wall of the clamping position interferes with the outer support protrusion, and the elastic arm is extruded outwards; after the locking part is inserted into the clamping position, the elastic arm rebounds to lock the wiring terminal.

Wherein, in order to further strengthen being connected between locking portion and the screens, avoid the terminal to connect inefficacy, locking portion joint in the screens.

In order to clamp the locking part in the clamping position and prevent the wiring terminal from retreating, the locking part comprises an elastic sheet which is radially outward from the wiring terminal, and a retreat-stopping cross rod is arranged in the clamping position; after the locking part is inserted into the clamping position, the elastic sheet rebounds, and the stopping cross rod limits the elastic sheet in the backward direction.

In order to simultaneously insert pins and jacks in the shell, the wiring terminal comprises a pin terminal and a jack terminal, and the elastic arm comprises a first elastic arm and a second elastic arm; the pin terminals and the jack terminals are provided with locking parts, clamping positions are arranged in the mounting plate, and the locking parts are arranged in the clamping positions; when the buckle is clamped into the termination bayonet from the pre-installation bayonet, the first elastic arm and the second elastic arm are elastically deformed and then respectively lock the pin terminal and the jack terminal.

In order to facilitate the clamping of the clamping buckles into the pre-installing bayonet and the terminating bayonet in sequence, the outer side wall of the mounting plate is provided with the clamping buckles, and the shell is provided with a slot for inserting the mounting plate; the side wall of the shell is provided with the pre-installing bayonet and the stopping bayonet which are arranged in front and back; and in the process that the mounting plate is inserted into the slot, the buckle is sequentially clamped into the pre-installing bayonet and the stopping bayonet.

Wherein, for the convenience of the firm of buckle joint, the left and right sides of mounting panel is equipped with a buckle respectively, the left and right sides of casing all is equipped with a set of pre-installation bayonet socket reaches the termination bayonet socket.

In order to limit the forward direction of the locking part, the locking part is arranged at the end position of the wiring terminal, and a plastic frame opening is arranged at the front end of the clamping position; after the locking part is inserted into the clamping position, the plastic frame opening limits the locking part.

According to the technical scheme, the two buckles are added on the shell, in the process that the mounting plate is inserted into the shell, the buckles are firstly clamped into the pre-installed bayonet, then the buckles are clamped into the stop bayonet, the elastic arm on the mounting plate is elastically deformed after being extruded, and the wiring terminal is locked. According to the technical scheme, the problem of disconnection caused by failure of the terminal clamping point and the elastic sheet is solved, and the safety, stability and reliability of power and data transmission are effectively improved.

Drawings

FIG. 1 is a general schematic view of one embodiment of a pre-assembled two-stage anti-unseating connector mechanism of the present invention;

FIG. 2 is a top view of one embodiment of the pre-loaded two-stage anti-unseating connector mechanism of FIG. 1;

FIG. 3 is a front view of one embodiment of the pre-loaded two-stage anti-unseating connector mechanism of FIG. 1;

FIG. 4 is a schematic view of the pre-assembled two-stage anti-unseating connector mechanism of the present invention with the mounting plate pre-installed in the housing;

FIG. 5 is a schematic cross-sectional view of FIG. 4;

FIG. 6 is a front view of FIG. 4;

FIG. 7 is a side view of the present invention after the wiring harness is inserted into the mounting plate;

FIG. 8 is a schematic cross-sectional view taken along line A-A of FIG. 7;

FIG. 9 is a schematic cross-sectional view taken along line B-B of FIG. 7;

FIG. 10 is a side view of the present invention after the mounting plate has been inserted into the termination bayonet;

FIG. 11 is a schematic cross-sectional view taken along line D-D of FIG. 10;

FIG. 12 is a schematic cross-sectional view taken along line C-C of FIG. 10;

FIG. 13 is an overall view of the present invention after the mounting plate has been inserted into the termination bayonet;

FIG. 14 is a front view of FIG. 13;

fig. 15 is a top view of fig. 13.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a housing; 11. pre-installing a bayonet; 12. stopping the bayonet; 13. an inclined guide surface; 2. mounting a plate; 21. buckling; 22. a first resilient arm; 23. pressing the protrusion downwards; 24. a second resilient arm; 25. an outer support protrusion; 26. a thrust cross bar; 27. a plastic frame opening; 3. a pin terminal; 4. a jack terminal; 5. a locking portion; 51. a spring plate; .

Detailed Description

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is apparent that the specific details set forth in the following description are merely exemplary of the utility model, which can be practiced in many other embodiments that depart from the specific details disclosed herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

In one embodiment, referring to fig. 1 to 15, a connector mechanism with a two-stage anti-back-off function is preassembled, comprising: the device comprises a shell 1, a mounting plate 2 and at least one wiring terminal; the mounting plate 2 is provided with a buckle 21 and an elastic arm; the shell 1 is provided with a pre-installing bayonet 11 and a stopping bayonet 12 which are matched with the buckle 21; the wiring terminal is provided with a locking part 5, a clamping position is arranged in the mounting plate 2, and the locking part 5 is arranged in the clamping position; the buckle 21 is clamped into the termination bayonet 12 from the pre-assembly bayonet 11, and the elastic arm locks the terminal after elastic deformation.

According to the technical scheme, the two buckles 21 are added on the shell 1, in the process that the mounting plate 2 is inserted into the shell 1, the buckles 21 are firstly clamped into the pre-installing bayonet 11 and then clamped into the stopping bayonet 12, and the elastic arm on the mounting plate 2 is pressed to be elastically deformed and then locks the wiring terminal. According to the technical scheme, the problem of disconnection caused by failure of the terminal clamping point and the elastic sheet is solved, and the safety, stability and reliability of power and data transmission are effectively improved.

On this embodiment basis, in order to more firmly lock binding post, avoid it to break away from preset position, buckle 21 moves forward and blocks into termination bayonet 12 from pre-installation bayonet 11, and the elastic arm takes place behind the elastic deformation with the rear end terminal surface butt of locking portion 5, and then locks the binding post.

It will be appreciated that the terminal can be locked more firmly by abutment of the rear end face than by jamming the terminal side. Of course, the terminal may be clamped on the side surface, and the structure is not limited to the description in this embodiment.

In an embodiment of the present invention, in order to make the elastic arm fix the locking portion 5 after being elastically deformed, the elastic arm is provided with a downward pressing protrusion 23 extending outward, and the housing 1 is provided with an inclined guide surface 13; when the buckle 21 is clamped into the termination bayonet 12 from the pre-assembly bayonet 11, the pressing protrusion 23 interferes with the inclined guide surface 13, and the elastic arm is pressed down to lock the wiring terminal.

In another embodiment of the present invention, in order to make the elastic arm fix the locking part 5 after being elastically deformed, the elastic arm is provided with an outward supporting protrusion 25 extending inward; when the locking part 5 is inserted into the clamping position, the inner side wall of the clamping position interferes with the outer support bulge 25, and the elastic arm is extruded outwards; after the locking part 5 is inserted into the clamping position, the elastic arm rebounds to abut and lock the wiring terminal.

Referring to fig. 1 to 15, the elastic arm locking structures in the above two embodiments may be applied to different terminals of a connection mechanism, and the combination form thereof is not limited to the description in the embodiment.

On this embodiment basis, further, in order to further strengthen being connected between locking portion 5 and the screens, avoid the terminal to connect inefficacy, except that pinning locking portion 5 through the arm of force, locking portion 5 in this embodiment still the joint in the screens.

Specifically, in order to clamp the locking part 5 in the clamping position and prevent the wiring terminal from retreating, the locking part 5 comprises an elastic sheet 51 which is radially outward from the wiring terminal, and a retreat-stopping cross rod 26 is arranged in the clamping position; after the locking part 5 is inserted into the clamping position, the elastic sheet 51 rebounds, and the stopping cross rod 26 limits the elastic sheet 51 in the backward direction.

It can be understood that, in the process of inserting the locking part 5 into the detent, the elastic sheet 51 is firstly pressed and compressed, and after the locking part 5 is in place, the elastic sheet 51 also reaches the detent position, at this time, the elastic sheet 51 rebounds, and the locking part 5 is blocked by the retaining cross bar 26 and cannot retreat.

On the basis of the present embodiment, in order to install the pin and the socket in the housing 1, the connection terminal includes a pin terminal 3 and a socket terminal 4, and the elastic arm includes a first elastic arm 22 and a second elastic arm 24; the pin terminals 3 and the jack terminals 4 are both provided with locking parts 5, clamping positions are arranged in the mounting plate 2, and the locking parts 5 are arranged in the clamping positions; when the clip 21 is clipped into the terminating bayonet 12 from the pre-installed bayonet 11, the first elastic arm 22 and the second elastic arm 24 are elastically deformed to respectively lock the pin terminal 3 and the socket terminal 4.

As shown in the figure, the pre-assembly connector mechanism with the secondary anti-withdrawal function is provided with three pin terminals 3 and a jack terminal 4, and each jack terminal 4 and each pin terminal 3 are abutted with an elastic arm and locked and positioned. Of course, the connection terminal may include only the pin terminal 3 or only the socket terminal 4, and the structure thereof is not limited to the description in the embodiment.

Specifically, in order to facilitate the buckles 21 to be sequentially clamped into the pre-installing bayonet 11 and the terminating bayonet 12, the outer side wall of the mounting plate 2 is provided with the buckles 21, and the shell 1 is provided with a slot for inserting the mounting plate 2; the side wall of the shell 1 is provided with a pre-installing bayonet 11 and a stopping bayonet 12 which are arranged in front and back; in the process of inserting the mounting plate 2 into the slot, the snap 21 is snapped into the pre-mount bayonet 11 and the stop bayonet 12 in sequence. Of course, the pre-loading pockets 11 and the terminating pockets 12 may not be arranged one behind the other, and the arrangement is not limited to the description of this embodiment, as long as the clips 21 can be inserted into the pre-loading pockets 11 and the terminating pockets 12 one after the other.

Specifically, in order to facilitate the fastening of the fastening 21, the left and right sides of the mounting plate 2 are respectively provided with a fastening 21, and the left and right sides of the housing 1 are respectively provided with a set of pre-installing bayonets 11 and terminating bayonets 12. Of course, one or more sets of pre-loading jaws 11 and terminating jaws 12 may also be provided on the mounting plate 2, which is not described as limiting in this embodiment.

Furthermore, in order to limit the advancing direction of the locking part 5, the locking part 5 is arranged at the end position of the wiring terminal, and a plastic frame opening 27 is arranged at the front end position of the clamping position; after the locking part 5 is inserted into the blocking position, the plastic frame opening 27 limits the locking part 5.

In the use process of the technical scheme, the mounting plate 2 is arranged in the preassembly position of the shell 1 to form an integral-preassembly assembly, the cable, the pin terminal 3 and the jack terminal 4 are extruded into a whole, and the pin terminal 3 and the jack terminal 4 are arranged in the mounting plate 2. The pin terminal 3 lifts up (generates elastic deformation) the second elastic arm 24 of the mounting plate 2, after the pin terminal 3 is in place, the large arm returns to the original position, and the elastic sheet 51 of the pin terminal 3 is clamped on the beam stopping beam of the mounting plate 2;

mounting panel 2 pushes the termination point by the pre-installation position, and the first elastic arm 22 of mounting panel 2 supports the shell tail of contact pin terminal 3, and the arch 23 that pushes down of mounting panel 2 can inwards press (produce elastic deformation) to make the arch 23 that pushes down on the first elastic arm 22 support the shell tail of jack terminal 4, and the buckle 21 card of mounting panel 2 is gone into in the termination card window of casing 1 (produce elastic deformation), and the card is the equipment correct position after accomplishing.

The utility model adds the mounting plate 2 on the basis of the existing shell 1, and the mounting plate 2 is added with a reinforced terminal fixing structure and has a pre-installation function, thereby avoiding the problem of retreat of the prior product after the clamping point of the elastic sheet fails.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, various changes, substitutions and alterations can be made without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. The utility model provides a connector mechanism of position function is prevented moving back by pre-installation second grade which characterized in that includes: the shell, the mounting plate and the at least one wiring terminal; the mounting plate is provided with a buckle and an elastic arm; the shell is provided with a pre-installed bayonet and a stop bayonet which are matched with the buckles; the wiring terminal is provided with a locking part, a clamping position is arranged in the mounting plate, and the locking part is arranged in the clamping position; when the buckle is clamped into the termination bayonet from the pre-installation bayonet, the elastic arm is locked with the wiring terminal after elastic deformation.

2. The pre-assembled secondary anti-backset connector mechanism of claim 1, wherein the latch is moved forward from the pre-assembly socket and is latched into the termination socket, and the resilient arm is resiliently deformed to abut against the rear end surface of the locking portion, thereby locking the terminal.

3. The pre-loaded two-stage anti-unseating connector mechanism of claim 1, wherein said spring arm has an outwardly extending hold-down projection and said housing has a beveled guide surface; when the buckle is clamped into the termination bayonet from the pre-installation bayonet, the pressing protrusion interferes with the inclined guide surface, and the elastic arm locks the wiring terminal after being pressed down.

4. The pre-loaded two-stage anti-unseating connector mechanism of claim 1, wherein said spring arms are provided with inwardly extending outwardly extending projections; when the locking part is inserted into the clamping position, the inner side wall of the clamping position interferes with the outer support protrusion, and the elastic arm is extruded outwards; after the locking part is inserted into the clamping position, the elastic arm rebounds and locks the wiring terminal.

5. The pre-loaded two-stage anti-back-out function connector mechanism of claim 1, wherein the locking portion snaps into the detent.

6. The pre-loaded secondary anti-backup connector mechanism of claim 5, wherein the locking portion comprises a spring tab radially outward from the terminal, and a backup rail is disposed within the detent; after the locking part is inserted into the clamping position, the elastic sheet rebounds, and the stopping cross rod limits the elastic sheet in the backward direction.

7. The pre-assembled secondary anti-back-off connector mechanism of any one of claims 1-6, wherein the terminals comprise pin terminals and socket terminals, and the resilient arms comprise first and second resilient arms; the pin terminals and the jack terminals are provided with locking parts, clamping positions are arranged in the mounting plate, and the locking parts are arranged in the clamping positions; when the buckle is clamped into the termination bayonet from the pre-installation bayonet, the first elastic arm and the second elastic arm are elastically deformed and then respectively lock the pin terminal and the jack terminal.

8. The pre-assembled secondary anti-backset connector mechanism of any one of claims 1 to 6, wherein a buckle is disposed on an outer side wall of the mounting plate, and a slot for inserting the mounting plate is formed on the housing; the side wall of the shell is provided with the pre-installing bayonet and the stopping bayonet which are arranged in front and back; and in the process that the mounting plate is inserted into the slot, the buckle is sequentially clamped into the pre-installing bayonet and the stopping bayonet.

9. The pre-loaded two stage anti-unseating connector mechanism of claim 8, wherein a snap is provided on each of the left and right sides of the mounting plate, and a plurality of the pre-loaded bayonet sockets and the termination bayonet sockets are provided on each of the left and right sides of the housing.

10. The pre-assembled connector mechanism with the secondary anti-back-off function as claimed in any one of claims 1 to 6, wherein the locking part is arranged at the end of the connecting terminal, and a plastic frame opening is arranged at the front end of the clamping part; after the locking part is inserted into the clamping position, the plastic frame opening limits the locking part.