CN219874161U - Terminal assembly and connector - Google Patents

Abstract

The utility model discloses a terminal assembly and a connector, which belong to the technical field of connectors, wherein the terminal assembly comprises a shell assembly, a reed assembly, a first terminal and a second terminal, a support body is arranged on one side surface of an insulating shell, and the support body is provided with a second slot; the reed component is arranged on the supporting body, and part of the reed component extends into the second slot; the first terminal is sleeved on the surface of the supporting body and is contacted with the reed component; the second terminal is inserted in the second slot and is contacted with the reed component. The terminal assembly and the connector provided by the utility model can effectively avoid the breakage of the reed assembly, and ensure the performance of the connector.

Description

Terminal assembly and connector

Technical Field

The present disclosure relates to connectors, and particularly to a terminal assembly and a connector.

Background

There are various power distribution requirements of electric vehicles, such as motors, motor controllers, etc., and electrical connectors are typically used for connection of the motors to other devices.

In the prior art, the electric connector comprises a male terminal, a female terminal, a limiting structure and a reed, wherein the reed is fixed on the female terminal by the limiting structure, the female terminal is provided with a plugging groove, the male terminal is inserted into the plugging groove and is in electric contact with the female terminal through the reed, and the conductive connection between the male terminal and the female terminal is realized.

However, since the reed is fixed at the female terminal, and the female terminal needs to be connected with the cable, specifically, the female terminal and the cable are usually welded by ultrasonic, so that the reed fixed on the female terminal is at risk of breaking during ultrasonic welding, and there is also risk of welding the reed and the female terminal, and in severe cases, the male terminal and the female terminal fail to be conducted, which affects the performance of the electric connector.

Disclosure of Invention

The utility model aims to provide a terminal assembly and a connector, which can effectively avoid breakage of a reed assembly and ensure the performance of the connector.

The technical scheme adopted by the utility model is as follows:

a terminal assembly, comprising:

an insulating shell, one side surface of which is provided with a support body, wherein the support body is provided with a second slot;

the reed component is arranged on the supporting body, and part of the reed component extends into the second slot;

the first terminal is sleeved on the surface of the supporting body and is contacted with the reed assembly;

and the second terminal is inserted into the second slot and is contacted with the reed component.

Optionally, the reed assembly includes two reeds and connects two at least one connector between the reeds, the top of supporter is equipped with at least one the connector one-to-one wears to establish the structure, the connector passes rather than corresponding wear to establish the structure, and two the reeds pass through the connector is hung on the supporter.

Optionally, the penetrating structure is a groove or a through hole.

Optionally, the reed assembly further includes a limiting structure, at least one reed is fixedly provided with the limiting structure, the supporting body is provided with a stop part matched with the limiting structure, the limiting structure can be in contact with the stop part, the stop part limits the reed assembly in a preset direction, and the preset direction is parallel to the plugging direction of the first terminal and/or the second terminal.

Optionally, an insulator is further disposed on the insulating housing, a first slot is formed between the insulator and the support body, and the first terminal is inserted into the first slot.

Optionally, the first slot is a U-shaped slot, and the depth direction of the first slot is parallel to the insertion and extraction direction of the first terminal, one end of the first terminal is inserted into the first slot, and the other end of the first terminal extends from the slot of the first slot in the length direction or the width direction of the insulating housing to the outside of the first slot.

Optionally, one end of the first terminal is provided with a plug part, the plug part is provided with a jack, the plug part is sleeved outside the support body and the reed assembly through the jack, and the plug part is contacted with the reed assembly.

Optionally, the other end of the first terminal is provided with a connecting part, the thickness of the connecting part is smaller than that of the plugging part, and the connecting part can be connected with a cable.

Optionally, the second terminal includes a terminal portion and a guide portion fixed to a top end of the terminal portion, the terminal portion has two contact surfaces opposite to each other in a thickness direction of the second terminal, the contact surfaces are in contact with the reed assembly, the guide portion is tapered, and the guide portion has two guide inclined surfaces opposite to each other in the thickness direction of the second terminal.

The connector comprises a cable and the terminal assembly, wherein the cable is connected with the first terminal.

The utility model has the beneficial effects that:

according to the terminal assembly and the connector provided by the utility model, the reed assembly is sleeved on the support body of the insulating shell instead of being directly fixed on the first terminal or the second terminal, and the first terminal or the second terminal is sleeved on the support body after being connected with the cable, so that the reed assembly is not influenced when the first terminal or the second terminal is ultrasonically welded with the cable, further, the reed assembly is effectively prevented from being broken in the ultrasonic welding process, the condition that the reed assembly and the first terminal or the second terminal are welded is avoided, smooth conduction of the first terminal and the second terminal is ensured, and the performance of the terminal assembly and the connector is ensured.

Drawings

Fig. 1 is a schematic structural view of a terminal assembly according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a terminal assembly according to an embodiment of the present utility model;

fig. 3 is an exploded view of a terminal assembly according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of an insulating housing according to an embodiment of the present utility model;

fig. 5 is an assembly schematic diagram of a first terminal, a reed assembly, a second terminal, and a cable according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a first terminal according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a first terminal according to an embodiment of the present utility model;

figure 8 is a schematic diagram of a reed assembly according to an embodiment of the present utility model;

fig. 9 is a schematic view of a cross section of a terminal assembly provided by an embodiment of the present utility model;

fig. 10 is a schematic view of another cross-section of a terminal assembly provided by an embodiment of the present utility model;

FIG. 11 is a schematic view of yet another cross-section of a terminal assembly provided by an embodiment of the present utility model;

fig. 12 is an enlarged schematic view of the utility model at a shown in fig. 11.

In the figure:

1. an insulating housing; 11. a first slot; 111. a notch; 12. a support body; 121. a penetrating structure; 122. a stop portion; 10. a second slot; 13. a separator; 2. a reed assembly; 21. a reed; 22. a connecting body; 23. a limit structure; 3. a first terminal; 31. a plug-in part; 311. a jack; 32. a connection part; 321. a step structure; 4. a second terminal; 41. a terminal portion; 411. a contact surface; 42. a guide part; 421. a guide slope; 100. a cable.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides a terminal assembly, is applied to the connector, can effectively avoid the reed assembly to break, has guaranteed the performance of connector.

As shown in fig. 1 and 2, the terminal assembly includes an insulating housing 1, a reed assembly 2, a first terminal 3, and a second terminal 4.

Wherein, a side surface of the insulating housing 1 is provided with a supporting body 12, alternatively, the supporting body 12 and the insulating housing 1 are integrally formed, for example, by injection molding. The support 12 is hollow, and the support 12 has a second slot 10, and in some embodiments, the second slot 10 is provided on a surface of the support 12 facing the insulating housing 1, and the support 12 is in a "door" shape, for example.

As shown in fig. 1, the reed assembly 2 is disposed on the support body 12, and in some embodiments, the reed assembly 2 is removably mounted on the support body 12 to facilitate replacement of the reed assembly 2. In addition, part of the reed assembly 2 extends into the second slot 10, in some embodiments, the support body 12 is of a hollow structure, the side wall of the support body 12 has a hollow, the reed assembly 2 is fixed on the support body 12, and at least part of the reed assembly 2 extends into the second slot 10 through the hollow.

The first terminal 3 is sleeved on the surface of the supporting body 12, and the first terminal 3 is in contact with the reed assembly 2, and in some embodiments, the first terminal 3 is in contact with the outer wall of the reed assembly 2. In this embodiment, the contact between the first terminal 3 and the reed assembly 2 is specifically that the first terminal 3 is electrically contacted or connected with the reed assembly 2. It should be noted that the reed assembly 2 has elasticity, and the first terminal 3 is elastically contacted with the reed assembly 2, so as to be able to compensate for the dimensional deviation of the first terminal 3 and the reed assembly 2. In this embodiment, the first terminal 3 may be a female terminal in the prior art, and it is seen that the reed assembly 2 in this embodiment is not fixed to the female terminal. It will be appreciated that the first terminal 3 may also be a male terminal.

As shown in fig. 2, the second terminal 4 is inserted into the second insertion groove 10 and contacts the reed assembly 2, and the second terminal 4 contacts the inner wall of the reed assembly 2, for example. In this embodiment, the second terminal 4 is in electrical contact with or electrically connected to the reed assembly 2. And, the second terminal 4 is in elastic contact with the reed assembly 2. Alternatively, the second terminal 4 may be a male terminal in the prior art. It will be appreciated that the second terminal 4 may also be a female terminal.

When the terminal assembly provided in this embodiment is assembled, the reed assembly 2 is fixedly mounted on the support body 12 of the insulating housing 1, the second slot 10 is formed between the reed assembly 2 and the support body 12, then one end of the second terminal 4 is inserted into the second slot 10, the second terminal 4 is in contact with the reed assembly 2, the electrical connection between the second terminal 4 and the reed assembly 2 is achieved, the first terminal 3 and the cable 100 are welded by ultrasonic waves, the first terminal 3 welded with the cable 100 is sleeved on the surface of the support body 12, the first terminal 3 is in contact with the reed assembly 2, the electrical connection between the first terminal 3 and the reed assembly 2 is achieved, and the electrical connection between the first terminal 3 and the second terminal 4 is further achieved.

According to the terminal assembly provided by the embodiment, the reed assembly 2 is sleeved on the support body 12 of the insulating shell 1 instead of being directly fixed on the first terminal 3 or the second terminal 4, and the first terminal 3 or the second terminal 4 is sleeved on the support body 12 after being connected with the cable 100, so that the reed assembly 2 is not affected when the first terminal 3 or the second terminal 4 is ultrasonically welded with the cable 100, the reed assembly 2 is effectively prevented from being broken in the ultrasonic welding process, the reed assembly 2 and the first terminal 3 or the second terminal 4 are prevented from being welded, smooth conduction of the first terminal 3 and the second terminal 4 is ensured, and the performance of the terminal assembly and the connector is ensured.

Alternatively, as shown in fig. 3, the reed assembly 2 includes two reeds 21 and at least one connecting body 22 connected between the two reeds 21. As shown in fig. 8, the spring 21 includes a plurality of strip-shaped spring pieces, and the strip-shaped spring pieces are in a wave-bending shape. The connector 22 is used to connect the two spring leaves 21, and in some embodiments, the connector 22 is connected to the top ends of the two spring leaves 21 to ensure that the spring leaves 21 have a larger contact area. Alternatively, the connecting body 22 has a U-shaped structure, and both ends of the connecting body 22 are connected to the two spring pieces 21, respectively. In this embodiment, three connectors 22 are provided, and three connectors 22 are disposed at intervals. In some embodiments, the reed assembly 2 can be secured to the support 12 by the reed 21.

As shown in fig. 4, at least one penetrating structure 121 corresponding to at least one connecting body 22 one by one is provided on the top of the supporting body 12, each connecting body 22 penetrates through the penetrating structure 121 corresponding thereto, so that two reeds 21 are respectively located at both sides of the supporting body 12 in the thickness direction, and the two reeds 21 are hung on the supporting body 12 through the connecting bodies 22.

Optionally, the penetrating structure 121 is a groove, a through hole, or other structures. When the penetrating structure 121 is a groove, the penetrating structure 121 is disposed on the top surface of the support body 12, and the reed assembly 2 can be removed from the support body 12 by pulling the reed assembly 2 along the height direction of the support body 12, so that the reed assembly 2 can be replaced conveniently. When the penetrating structure 121 is a through hole, the connecting body 22 is limited and restrained by the through hole in the height direction and the length direction of the supporting body 12, so as to prevent the reed assembly 2 from moving in the process of inserting and extracting the first terminal 3 and the second terminal 4. Illustratively, the penetrating structure 121 in the present embodiment is a groove, and the groove penetrates the supporting body 12 along the thickness direction of the supporting body 12.

With continued reference to fig. 8, the reed assembly 2 further includes a limiting structure 23, and the limiting structure 23 is fixedly disposed on at least one reed 21. In this embodiment, at least one limiting structure 23 is disposed on each of the two spring plates 21. And, as shown in fig. 11 and 12, the supporting body 12 has a stop portion 122 matched with the stop structure 23, the stop structure 23 can contact with the stop portion 122, and the stop portion 122 limits the reed assembly 2 in a preset direction to prevent the reed assembly 2 from being separated from the supporting body 12. For example, the limiting structure 23 is located below the supporting portion 122, when the first terminal 3 or the second terminal 4 sleeved on the supporting body 12 is pulled out, the first terminal 3 or the second terminal 4 is inserted to drive the reed assembly 2 to move upwards, so that the limiting structure 23 moves upwards, and after a certain distance of movement, the limiting structure abuts against the stopping portion 122, so that the reed assembly 2 cannot move upwards continuously, and limiting of the reed assembly 2 is achieved. When the first terminal 3 is inserted or the second terminal 4 is pulled out, the connecting body 22 is limited by the penetrating structure 121 so as to prevent the reed assembly 2 from moving downwards. The predetermined direction in this embodiment is parallel to the plugging direction of the first terminal 3 and/or the second terminal 4, and in fig. 11, the predetermined direction is the up-down direction. Illustratively, the limiting structures 23 in the present embodiment are tabs punched on the leaves 21, and the limiting structures 23 on one leaf 21 extend toward the other leaf 21 so that the plurality of limiting structures 23 can abut against the stopper 122 located between the two leaves 21. It should be noted that, the reed assembly 2 in this embodiment is an integrally formed structure, and may be formed by stamping using a sheet metal die.

Optionally, as shown in fig. 3 or 4, the insulating housing 1 is further provided with a spacer 13, and specifically, the spacer 13 is provided on a side surface of the insulating housing 1 where the support 12 is provided. A first slot 11 is formed between the spacer 13 and the support 12, and the first terminal 3 is inserted into the first slot 11. The insulator 13 plays a role in protecting and isolating the first terminal 3 sleeved on the support body 12, so that other components and parts are prevented from being contacted with the first terminal 3, and the safety of the connector is improved.

In some embodiments, the top surface of the insulating housing 1 has a first slot 11, and the depth direction of the first slot 11 is parallel to the thickness direction of the insulating housing 1. In this embodiment, in some embodiments, the supporting body 12 is located at the center of the first slot 11, and the supporting body 12 and the slot wall of the first slot 11 have a gap. In this embodiment, the bottom of the first slot 11 has a plurality of hollow holes, so as to drain the impurities such as water flowing into the first slot 11.

Alternatively, as shown in fig. 3 or 4, the first slot 11 is a U-shaped slot, that is, the spacer 13 is semi-enclosed around the outer periphery of the support body 12, specifically, the cross section of the first slot 11 is U-shaped, and the first slot 11 has a notch 111 in the length direction or width direction of the insulating housing 1, that is, the first slot 11 has a mouth in the height direction of the insulating housing 1, and has a notch 111 in the length direction or width direction of the insulating housing 1. The groove depth direction of the first slot 11 is parallel to the insertion/extraction direction of the first terminal 3, and the groove depth direction of the first slot 11 is parallel to the height direction of the insulating housing 1. As shown in fig. 1, one end of the first terminal 3 is inserted into the first slot 11, the other end of the first terminal 3 extends from the notch 111 of the first slot 11 to the outside of the first slot 11, and one end of the first terminal 3 contacts the reed assembly 2, and the other end of the first terminal 3 is used for welding with the cable 100.

Further, as shown in fig. 5 to 7, one end of the first terminal 3 has a plugging portion 31, the plugging portion 31 is plugged into the first slot 11 and contacts with the reed assembly 2, and the plugging portion 31 has a jack 311, that is, the plugging portion 31 in this embodiment has a ring-shaped or "O" structure, and the plugging portion 31 is sleeved outside the support 12 and the reed assembly 2 through the jack 311, so that the support 12 can constrain the first terminal 3 through the plugging portion 31, thereby reducing the probability of shaking of the first terminal 3, and improving the stability and reliability of connection between the first terminal 3 and the reed assembly 2.

Alternatively, referring to fig. 7, the other end of the first terminal 3 has a connection portion 32, the thickness of the connection portion 32 is smaller than that of the plugging portion 31, and the connection portion 32 is used for connecting the cable 100. Through setting the thickness of connecting portion 32 to be less than the thickness of grafting portion 31 for after cable 100 and the welding of connecting portion 32, the thickness of both can be less, and then make the volume of terminal assembly can be less, the miniaturization of terminal assembly of being convenient for. In this embodiment, one side of the connection portion 32 is coplanar with one side of the plug portion 31, and a step structure 321 is formed at a connection portion between the connection portion 32 and the plug portion 31, and one end of the cable 100 is opposite to and spaced from the step structure 321. It should be noted that, the first terminal 3 in this embodiment is an integrally formed structure, and may be formed by stamping using a sheet metal die.

In this embodiment, as shown in fig. 3, the second terminal 4 includes a terminal portion 41 and a guide portion 42 fixed to the tip end of the terminal portion 41. Wherein the terminal portion 41 has two contact surfaces 411 opposed in the thickness direction of the second terminal 4, the contact surfaces 411 being in contact with the reed assembly 2. The guide portion 42 is tapered to facilitate guiding when inserted into the second slot 10. In the present embodiment, the dimension of the guide portion 42 in the length direction of the second terminal 4 is smaller than the dimension of the terminal portion 41 in the length direction of the second terminal 4, so that the guide portion 42 is provided to protrude with respect to the terminal portion 41. And, the guide portion 42 has two guide inclined surfaces 421 disposed opposite to each other in the thickness direction of the second terminal 4, so that the tip of the guide portion 42 has a smaller size in the thickness direction of the second terminal 4, facilitating the successful insertion of the second terminal 4 into the second slot 10, and further facilitating the insertion and extraction of the second terminal 4. It should be noted that, in this embodiment, the second terminal 4 is an integrally formed structure, and may be formed by stamping using a sheet metal die. In this embodiment, the second terminal 4 is in the form of a sheet.

Optionally, the first slots 11 in the present embodiment are provided with a plurality of first slots, that is, the spacers 13 are provided with a plurality of spacers, the supporting bodies 12 are correspondingly provided with a plurality of supporting bodies 12, and each supporting body 12 is fixed with one reed assembly 2, and each reed assembly 2 is contacted with one first terminal 3 and one second terminal 4, so that the terminal assembly provided in the present embodiment can satisfy the corresponding electrical connection between the plurality of first terminals 3 and the plurality of second terminals 4.

In this embodiment, the first terminal 3 is inserted and removed from the upper side of the insulating housing 1, and the second terminal 4 is inserted and removed from the lower side of the insulating housing 1, so that the movement of the first terminal 3 and the movement of the second terminal 4 do not interfere with each other.

The present embodiment further provides a connector, which includes the cable 100 and the terminal assembly, wherein the cable 100 is electrically connected to the other end of the first terminal 3.

The connector provided by the embodiment has higher connection reliability.

The above embodiments merely illustrate the basic principle and features of the present utility model, and the present utility model is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. Terminal assembly, its characterized in that includes:

an insulating housing (1) provided with a support body (12) on one side surface thereof, the support body (12) having a second slot (10);

the reed component (2) is arranged on the supporting body (12), and part of the reed component (2) extends into the second slot (10);

the first terminal (3) is sleeved on the surface of the supporting body (12), and the first terminal (3) is in contact with the reed assembly (2);

and the second terminal (4) is inserted into the second slot (10) and is contacted with the reed assembly (2).

2. Terminal assembly according to claim 1, characterized in that the reed assembly (2) comprises two reeds (21) and at least one connecting body (22) connected between the two reeds (21), the top of the supporting body (12) is provided with at least one penetrating structure (121) corresponding to at least one connecting body (22) one by one, the connecting body (22) penetrates through the penetrating structure (121) corresponding to the connecting body, and the two reeds (21) are hung on the supporting body (12) through the connecting body (22).

3. Terminal assembly according to claim 2, characterized in that the penetration structure (121) is a groove or a through hole.

4. Terminal assembly according to claim 2, characterized in that the reed assembly (2) further comprises a limit structure (23), at least one reed (21) is fixedly provided with the limit structure (23), the support body (12) is provided with a stop part (122) matched with the limit structure (23), the limit structure (23) can be in contact with the stop part (122), and the stop part (122) limits the reed assembly (2) in a preset direction, and the preset direction is parallel to the plugging direction of the first terminal (3) and/or the second terminal (4).

5. Terminal assembly according to any of claims 1-4, characterized in that the insulating housing (1) is further provided with a spacer (13), a first slot (11) being formed between the spacer (13) and the support (12), the first terminal (3) being inserted in the first slot (11).

6. The terminal assembly according to claim 5, wherein the first slot (11) is a U-shaped slot, and a slot depth direction of the first slot (11) is parallel to a plugging direction of the first terminal (3), one end of the first terminal (3) is plugged into the first slot (11), and the other end of the first terminal (3) extends from a notch (111) of the first slot (11) in a length direction or a width direction of the insulating housing (1) to outside the first slot (11).

7. The terminal assembly according to claim 6, wherein one end of the first terminal (3) is provided with a plug part (31), the plug part (31) is provided with a jack (311), the plug part (31) is sleeved outside the supporting body (12) and the reed assembly (2) through the jack (311), and the plug part (31) is in contact with the reed assembly (2).

8. Terminal assembly according to claim 7, characterized in that the other end of the first terminal (3) has a connecting portion (32), the thickness of the connecting portion (32) is smaller than the thickness of the plug portion (31), and the connecting portion (32) is connectable to a cable.

9. The terminal assembly according to any one of claims 1 to 4, wherein the second terminal (4) includes a terminal portion (41) and a guide portion (42) fixed to a tip end of the terminal portion (41), the terminal portion (41) has two contact surfaces (411) opposing in a thickness direction of the second terminal (4), the contact surfaces (411) are in contact with the reed assembly (2), and the guide portion (42) is tapered, and the guide portion (42) has two guide inclined surfaces (421) opposing in the thickness direction of the second terminal (4).

10. Connector, characterized in that it comprises a cable (100) and a terminal assembly according to any of claims 1-9, said cable (100) being connected to said first terminal (3).