CN218123843U

CN218123843U - Female end connector, connector and motor controller

Info

Publication number: CN218123843U
Application number: CN202222581484.6U
Authority: CN
Inventors: 朱军
Original assignee: Suzhou Huichuan United Power System Co Ltd
Current assignee: Suzhou Huichuan United Power System Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-23
Anticipated expiration: 2032-09-27

Abstract

The application discloses female end connector, connector and machine controller, female end connector include female end casing, line ball terminal and damping ring, the line ball terminal is located in the female end casing, the damping ring is located in the female end casing and with female end casing butt, the damping ring is used for restricting the wire, the one end of wire is fixed in the line ball terminal and with the line ball terminal electricity is connected. The application provides a female end connector can alleviate the rocking of wire on the female end connector under the vibration scene, and then alleviates the relative displacement of line ball terminal on the female end connector in public end casing, promotes the holistic anti-vibration ability of connector, reaches the effect that improves connector electrical contact failure problem.

Description

Female end connector, connector and motor controller

Technical Field

The application relates to the technical field of electrical connectors, in particular to a female end connector, a connector and a motor controller.

Background

In new energy vehicle motor controller products, connectors are often used to provide electrical interlock protection functions. The existing connector is in clearance fit with the female end connector after the male end connector and the female end connector are plugged, the anti-vibration capacity is insufficient, under a vibration scene, a lead on the female end connector can swing and shake, and a wire pressing terminal on the female end connector generates relative displacement in a female end shell, so that abrasion exists between a contact pin of the male end connector and the wire pressing terminal of the female end connector, and the electrical contact is poor.

SUMMERY OF THE UTILITY MODEL

The application provides a female end connector, connector and machine controller aims at promoting the holistic anti-vibration ability of connector to alleviate the rocking of wire under the vibration scene on the female end connector, and then alleviate the relative displacement of the line ball terminal on the female end connector in female end casing, reach and improve the problem of connector electrical contact failure.

For realizing above-mentioned purpose, the female end connector that this application embodiment provided, including female end casing, line ball terminal and damping ring, the line ball terminal is located in the female end casing, the damping ring is located in the female end casing and with female end casing butt, the damping ring is used for restricting the wire, the one end of wire is fixed in the line ball terminal and with the line ball terminal electricity is connected.

In one embodiment of the application, the damping ring comprises a first section and a second section which are connected, and the outer diameter of the second section is smaller than that of the first section;

the wire sequentially penetrates through the first section and the second section, the second section is limited to the insulating clamping portion of the wire pressing terminal, and the outer wall of the first section is abutted to the female end shell.

In an embodiment of the present application, the damper ring further includes a third section, the second section is connected to the first section through the third section, and an outer diameter of the third section gradually increases along a direction from the second section to the first section.

In an embodiment of the application, a first guide portion is arranged on an inner wall of one end of the first section, which is far away from the second section, and the first lead portion is used for enabling the lead to pass through the damping ring under the guidance of the first guide portion.

In an embodiment of the present application, an inner wall of the damping ring is a rough surface.

The application still provides a connector, including public end connector and as above female end connector, public end connector includes public end casing and contact pin, the one end of contact pin is located in the concave part of public end casing, the concave part lateral wall of public end casing is formed with protruding structure, protruding structure is used for the restriction public end connector with female end connector grafting back public end casing with the relative movement of female end casing.

In an embodiment of this application, protruding structure is the wedge muscle, follows female end casing insert establish the direction, the protrusion thickness crescent of wedge muscle.

In an embodiment of the present application, the protruding structure is provided in a plurality, and the protruding structures are circumferentially spaced along the concave side wall of the male housing.

In an embodiment of the application, the concave portion side wall of the male end housing is further provided with a second guiding portion, the inner wall of the insertion end is provided with a second guiding portion, and the second guiding portion is used for enabling the female end housing to be at least partially inserted into the male end housing under the guidance of the second guiding portion.

The application also provides a motor controller, which comprises the female end connector or the connector.

The embodiment of the application provides a female terminal connector, including female end casing, the line ball terminal, the damping ring, line ball terminal and damping ring set up in female end casing, the wire passes the damping ring and is connected with the line ball terminal when equipment female terminal connector, the inner wall and the wire butt of damping ring, the outer wall and the female end casing butt of damping ring, because the outer wall and the female end shells inner wall of damping ring closely laminate, the inner wall and the wire of damping ring closely laminate, the damping ring can restrict the rocking of wire in female end casing under the vibration scene, and then reduced the relative displacement of the line ball terminal of being connected with the wire in female end casing, help to alleviate female terminal connector and male terminal connector and be connected the back, wearing and tearing between the contact pin of female line ball terminal and male terminal connector, the insecure problem of male terminal connector and female terminal connector electrical contact has been solved, the holistic anti-vibration ability of promotion connector has been reached, the effect of public terminal connector and female terminal connector electrical contact reliability improves.

Drawings

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

Fig. 1 is a schematic structural diagram of an assembled connector, a lead and a circuit board according to an embodiment of the present disclosure;

fig. 2 is a cross-sectional view of a connector provided in an embodiment of the present application after assembly with a wire and a circuit board;

fig. 3 is a schematic structural diagram of a male end connector in a connector according to an embodiment of the present disclosure;

fig. 4 is a cross-sectional view of a male end connector of a connector according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a female connector according to an embodiment of the present application;

FIG. 6 is a cross-sectional view of a female end connector assembled with a damping ring and a lead according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a pressure line terminal in a female connector according to an embodiment of the present disclosure;

FIG. 8 is a schematic view of a damper ring in a female end connector according to an embodiment of the present disclosure;

fig. 9 is a schematic structural diagram of another view angle of a damping ring in a female end connector according to an embodiment of the present application.

The reference numbers illustrate:

the implementation, functional features and advantages of the object of the present application will be further explained with reference to the embodiments, and with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some, not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts belong to the protection scope of the embodiments in the present application.

It should be noted that if directional indications (such as upper, lower, left, right, front, rear, 8230; \8230;) are referred to in the embodiments of the present application, the directional indications are only used for explaining the relative positional relationship between the components in a specific posture (as shown in the attached drawings), the motion situation, etc., and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope claimed by the embodiments of the present application.

The embodiment of the application provides a female terminal connector 20, aims at promoting the holistic anti-vibration ability of connector 100, alleviates the rocking of wire 200 on female terminal connector 20 under the vibration scene, and then alleviates the relative displacement of line ball terminal 22 on female terminal connector 20 in public end casing 11, realizes improving the effect of connector 100 electric contact failure.

The following description will be made about specific structures of the female connector 20, the connector 100 and the motor controller provided in the embodiment of the present application:

with reference to fig. 1, fig. 2 and fig. 6, in a female terminal connector 20 that can be implemented in the present embodiment, the female terminal connector 20 includes a female terminal housing 21, a wire pressing terminal 22 and a damping ring 30, the wire pressing terminal 22 is disposed in the female terminal housing 21, the damping ring 30 is disposed in the female terminal housing 21 and abuts against the female terminal housing 21, the damping ring 30 is used for limiting a wire 200, and one end of the wire 200 is fixed to the wire pressing terminal 22 and electrically connected to the wire pressing terminal 22.

When assembling female end connector 20, wire 200 passes damping ring 30 to be connected with female end connector 20's line ball terminal 22, damping ring 30's inner wall and wire 200 butt, damping ring 30's outer wall and female end casing 21's inner wall 21 butt, restrict rocking of wire 200 in female end casing 21 under the vibration scene through damping ring 30, the relative displacement of line ball terminal 22 in female end casing 21 on the female end connector 20 has been reduced, female end connector 20's anti-seismic nature improves.

The service environment of the connector 100 provided by the embodiment of the application has no sealing requirement, so that the sealing performance of the sealing ring 30 is not limited by the damping ring 30 under the condition of meeting the damping effect due to the corresponding no sealing requirement of the connector 100.

Further, referring to fig. 2, 6 to 9 in combination, in the embodiment of the present application, the damper ring 30 includes a first section 31 and a second section 32 connected to each other, and an outer diameter of the second section 32 is smaller than that of the first section 31; the lead wire 200 is passed through the first stage 31 and the second stage 32 in this order, the second stage 32 is confined between the insulating clamps 223 of the lead terminals 22, and the outer wall of the first stage 31 abuts against the female housing 21.

In one example, as shown in fig. 7, the wire clip 22 includes an elastic arm 221, a wire clip 222, and an insulating clamping portion 223, the wire clip 222 being connected to one end of the elastic arm 221, and the insulating clamping portion 223 being connected to one end of the wire clip 222 remote from the elastic arm 221. When the female end connector 20 is assembled, the damping ring 30 can be firstly installed in the female end housing 21, the second section 32 of the damping ring 30 is inserted into the insulating clamping portion 223 of the wire pressing terminal 22, the wire 200 is electrically connected with the elastic arm 221 of the wire pressing terminal 22 after the wire 200 passes through the damping ring 30, and at the moment, the wire clamp 222 clamps the wire 200, so that the installation stability between the wire 200 and the wire pressing terminal 22 is ensured; the second section 32 of damping ring 300 is pressed from both sides by insulating clamping part 223 tightly, the installation stability of damping ring 30 has been guaranteed, and the first section 31 of damping ring 300 is restricted in female end casing 21, the inner wall and the wire 200 butt of damping ring 300, the outer wall and the female end casing 21 butt of the first section 31 of damping ring 300, the realization utilizes damping ring 300 to restrict rocking of wire 200 in female end casing 21 under the vibration scene, the holistic anti-vibration ability of promotion connector 100 has been reached.

Further, referring to fig. 2, 6, 8 and 9 in combination, in the embodiment of the present application, the damper ring 30 further includes a third segment 33, the second segment 32 is connected to the first segment 31 through the third segment 33, and an outer diameter of the third segment 33 is gradually increased along a direction from the second segment 32 to the first segment 31. By using the third section 33 to connect the second section 32 and the first section 31, and the outer diameter of the third section 33 is gradually increased along the direction from the second section 32 to the first section 31, the problem of stress concentration can be reduced.

Optionally, the first section 31, the second section 32, and the third section 33 are integrally formed, which not only can ensure the connection strength between the first section 31 and the third section 33, and between the second section 32 and the third section 33, but also can reduce the manufacturing process.

Further, referring to fig. 2 and 9 in combination, in the embodiment of the present application, an inner wall of an end of the first segment 31 away from the second segment 32 is provided with a first guiding portion 311, and the first guiding portion 311 is used for enabling the lead wire 200 to pass through the damper ring 30 under the guidance of the first guiding portion 311. During the process of assembling the female end connector 20, the lead 200 passes through the first section 31 and the second section 31 of the damper ring 30; when the damping ring 30 includes the third segment 33, the lead wire 200 passes through the first segment 31, the third segment 33, and the second segment 32 of the damping ring 30 in sequence. A first guide part 311 is arranged on the inner wall of one end of the first section 31 far away from the second section 32, so that the lead wire 200 can smoothly pass through the damping ring 30 under the guidance of the first guide part 311.

Alternatively, the first guide portion 311 may be a guide slope or a guide arc surface.

Further, referring to fig. 2, 6, 8 and 9 in combination, in the embodiment of the present application, the inner wall of the damping ring 30 is rough; after the lead wire 200 passes through the damping ring 30, the rough surface can increase the friction force between the damping ring 30 and the lead wire 200, and prevent the damping ring 30 and the lead wire 200 from rotating relatively to influence the constraining force on the lead wire 200.

In one embodiment, the inner walls of the damper ring 30 are all rough, that is, the inner walls of the first section 31, the second section 32, and the third section 33 are rough; alternatively, in another embodiment, only the inner wall of the first section 31 is roughened.

Optionally, the damping ring 30 may be a silicone ring, that is, the damping ring 30 is made of silicone, so that the damping ring 30 has sufficient anti-vibration capability; in another embodiment, the material of the damping ring 30 may also be rubber, foam, or other materials with damping effect.

When female end connector 20 is in use, that is, when female end connector 20 is plugged with male end connector 10, pin 12 in male end connector 10 is inserted into line ball terminal 22 in female end connector 20, realize the electrical contact between male end connector 10 and female end connector 20, because set up damping ring 30 in female end connector 20 and restrict rocking of wire 200, alleviate the influence of wire 200 rocking on line ball terminal 22 relative displacement for female end casing 21, pin 12 inserts behind line ball terminal 22, the wearing and tearing of line ball terminal 22 and pin 12 alleviate, the unreliable problem of male end connector 10 and female end connector 20 electrical contact is solved, the holistic anti-vibration ability of promotion connector 100 has been reached, the reliability of electrical contact between male end connector 10 and female end connector 20 has been improved.

In an optional embodiment based on the above embodiment, the present application further provides a connector 100, where the connector 100 includes a male connector 10 and a female connector 20 as described above, and the specific structure of the female connector 20 refers to the above embodiment, and since the connector 100 adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are provided, and no further description is provided herein. The male end connector 10 comprises a male end housing 11 and a pin 12, one end of the pin 12 is located in a recess of the male end housing 11, and the recess is used for accommodating the female end connector 20 when the male end connector 10 is plugged with the female end connector 20.

Illustratively, the pin 12 may be secured to the male housing 11.

Illustratively, the concave sidewall of the male housing 11 is formed with a protrusion 111, and the protrusion 111 is used to limit the relative movement between the male housing 11 and the female housing 21 after the male connector 10 is plugged into the female connector 20.

Compare with traditional connector 100, the concave part lateral wall of public end casing 11 is provided with protruding structure 111, when public end connector 10 is pegged graft with female end connector 20, female end casing 21 connect to connect the end outer wall will with protruding structure 111 butt each other, make between public end casing 11 and the female end casing 21 closely cooperate, the relative movement of public end casing 11 of restriction and female end casing 21, avoid shifting each other between public end casing 11 and the female end casing 21, the installation stability between female end casing 21 and the public end casing 11 has been promoted, the grafting stability between contact pin 12 and the line ball terminal 22 has further been promoted.

Alternatively, the protrusion 111 may be integrally formed on the inner wall of the male housing 11 to ensure the connection strength between the protrusion 111 and the male housing 11.

Alternatively, the protruding structure 111 may be a rib-shaped structure, a block-shaped structure, a plate-shaped structure, or the like.

Further, referring to fig. 3 and 4 in combination, in the embodiment of the present application, the protruding structure 111 is a wedge-shaped rib, and the protruding thickness of the wedge-shaped rib gradually increases along the inserting direction of the female end housing 21.

Note that the protruding thickness of the wedge rib refers to the thickness of the wedge rib protruding from the side wall of the recess of the male end housing 11.

In the process of inserting the female end connector 20 and the male end connector 10, the limiting strength between the female end shell 21 and the male end shell 11 is gradually increased, so that the mutual matching between the female end shell 21 and the male end shell 11 is more reliable.

Further, referring to fig. 3 and 4 in combination, in the embodiment of the present application, the protruding structure 111 is provided in a plurality, and the plurality of protruding structures 111 are arranged at intervals along the circumference of the concave sidewall of the male housing 11.

When the female housing 21 is at least partially inserted into the male housing 11, for example: when the inserting end on the female end housing 21 is inserted into the concave portion of the male end housing 11, the outer wall of the female end housing 21 abuts against the plurality of protruding structures 111, so that the male end housing 11 and the female end housing 21 are more tightly matched to avoid mutual shifting between the male end housing 11 and the female end housing 21, and the installation stability between the female end housing 21 and the male end housing 11 is further improved.

Further, referring to fig. 2 and 4 in combination, in an alternative embodiment of the above embodiment, the concave side wall of the male housing 11 is further provided with a second guiding portion 112, and the second guiding portion 112 is used for inserting the female housing 21 into the male housing 11 at least partially under the guiding of the second guiding portion 112; by providing the second guide portion 112, the female housing 21 can be inserted into the male housing 11 smoothly at least partially under the guidance of the second guide portion 112.

Alternatively, the second guide portion 112 may be a guide slope or a guide arc surface.

In one example, the connector 100 has no locking structure and does not need to be unlocked, the other end of the pin 12 in the male terminal connector 10 can be soldered on the circuit board 300, and when in use, the pin 12 of the male terminal connector 10 is directly inserted into the line pressing terminal 22 of the female terminal connector 20, so that the electrical connection can be realized.

It should be noted that the female end connector 20 can include, but is not limited to, a line end connector, and the male end connector 10 includes, but is not limited to, a plate end connector.

In an optional embodiment based on the foregoing embodiment, the application further provides a motor controller, where the motor controller includes the female terminal connector 20 or the connector 100 as described above, and the specific structure of the female terminal connector 20 or the connector 100 refers to the foregoing embodiment, and since the motor controller adopts all technical solutions of all the foregoing embodiments, at least all beneficial effects brought by the technical solutions of the foregoing embodiments are provided, and details are not repeated here.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application, and all modifications, equivalents, and other related technical fields that are within the spirit of the present application, and are made by using the contents of the specification and the drawings are included in the scope of the present application.

Claims

1. The utility model provides a female end connector, its characterized in that, includes female end casing, line ball terminal and damping ring, the line ball terminal is located in the female end casing, the damping ring is located in the female end casing and with female end casing butt, the damping ring is used for restricting the wire, the one end of wire is fixed in the line ball terminal and with the line ball terminal electricity is connected.

2. The female end connector of claim 1 wherein the shock absorbing ring comprises a first section and a second section connected, the second section having an outer diameter less than the outer diameter of the first section;

3. The box connector of claim 2, wherein the shock absorbing ring further comprises a third segment, the second segment being connected to the first segment by the third segment, the third segment having an outer diameter that gradually increases in a direction from the second segment to the first segment.

4. The female connector according to claim 2, wherein the inner wall of the end of the first section away from the first section is provided with a first guide part, and the first guide part is used for enabling the lead to pass through the damping ring under the guidance of the first guide part.

5. The female end connector of any one of claims 1-4 wherein the inner wall of the damper ring is roughened.

6. A connector comprising a male end connector and a female end connector as claimed in any one of claims 1 to 5, the male end connector comprising a male end housing and a pin, one end of the pin being located in a recess of the male end housing, a recess side wall of the male end housing being formed with a raised formation for limiting relative movement of the male end housing and the female end housing after the male end connector is plugged into the female end connector.

7. The connector of claim 6, wherein the projection structure is a wedge-shaped rib, and a projected thickness of the wedge-shaped rib is gradually increased along an insertion direction of the female-end housing.

8. The connector of claim 6, wherein the raised structure is provided in a plurality of circumferentially spaced apart locations along the concave sidewall of the male end housing.

9. The connector of claim 6, wherein the recess side wall of the male end housing is further provided with a second guide portion for guiding the insertion of the female end housing into the male end housing at least partially under the guide of the second guide portion.

10. A motor controller comprising a female end connector as claimed in any one of claims 1 to 5 or a connector as claimed in any one of claims 6 to 9.