CN220692431U

CN220692431U - Connector capable of enhancing terminal fixation and preventing disconnection

Info

Publication number: CN220692431U
Application number: CN202320447122.XU
Authority: CN
Inventors: 邵敬标; 朱志刚; 颜小芳
Original assignee: Jkun Connector Co ltd
Current assignee: Jkun Connector Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2024-03-29
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a connector for enhancing terminal fixation and anti-drop, which comprises a board end base with a contact pin, a rubber shell plug-in unit matched and spliced with the board end base and a plurality of terminal main bodies inserted in the rubber shell plug-in unit, wherein a plurality of accommodating cavities for connecting the terminal main bodies are arranged on the rubber shell plug-in unit, a limit groove is arranged on one side of each accommodating cavity, a reverse hook matched with the limit groove and a reinforcing part are arranged on one side of each terminal main body, a locking groove penetrating through each accommodating cavity is further arranged on the side part of the rubber shell plug-in unit, and locking strips are inserted in the locking grooves, and the bottoms of the locking strips are abutted against the top surfaces of the reinforcing parts. The connector disclosed by the utility model is in multistage limiting fixation by abutting the limiting groove with the barb structure and the locking strip with the top surface of the reinforcing part, so that the connection maintaining force and the connection strength between the terminal main body and the rubber shell plug-in unit are greatly improved from about 15N to more than 60N, and the performance of the connector is enabled to meet the standard performance requirements of automobile connectors such as QC/T1067-2017 or USCAR2.0 and the like, and the connector is very reliable.

Description

Connector capable of enhancing terminal fixation and preventing disconnection

Technical Field

The utility model relates to the technical field of automobile wire harness connectors, in particular to a connector capable of enhancing terminal fixation and preventing disconnection.

Background

An automobile connector: the method is characterized in that a bridge for communication is erected between blocked or isolated circuits in an automobile circuit, so that current or signals flow, and the automobile circuit achieves a preset function.

When the traditional connector of the type is used, the terminals are inserted into the connector for fixing, but the terminals are easily loosened from the connector due to pulling of the wire harness in the installation process or vibration in the use process, or the male-end contact pins are in semi-open contact with the terminals, fatigue looseness occurs in the long-term use process, so that poor or failure of electrical connection contact occurs, and the connector of the type cannot be used on an automobile terminal due to functional instability.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the problems, the utility model provides the connector for fixing and preventing the terminal from falling off, which has the advantages of simple structure, wide application range and easy assembly.

(II) technical scheme

The utility model relates to a connector for enhancing terminal fixation and anti-drop, which comprises a board end base with a contact pin, a rubber shell plug-in unit matched and spliced with the board end base and a plurality of terminal main bodies inserted in the rubber shell plug-in unit, wherein a plurality of cavities for connecting the terminal main bodies are arranged on the rubber shell plug-in unit, a limit groove is arranged on one side of each cavity, a reverse hook matched with the limit groove and a reinforcing part are arranged on one side of each terminal main body, a locking groove penetrating through each cavity is further arranged on the side of the rubber shell plug-in unit, and locking strips are inserted in the locking grooves, and the bottoms of the locking strips are abutted against the top surfaces of the reinforcing parts.

In the utility model, the terminal body comprises a connecting part for connecting the conductive wire harness and a reinforcing part of a hollow structure, wherein the connecting part is arranged on one side of the top surface of the terminal body, and the barb and the connecting part are positioned on the same side.

In the utility model, the whole reinforcing part is of a rectangular structure, the barbs are outwards bent integrally, the barbs are outwards bent to form bending angles a, and the bending angles a are acute angles.

In the utility model, the top end of the barb is abutted with the top surface of the limit groove, and the limit groove penetrates through the side part of the rubber shell plug-in unit.

In the utility model, the side part of the rubber shell insert is provided with a stop part for preventing the locking bar from retreating, the stop part is provided with a clamping groove matched with the locking bar, and one end of the locking bar is provided with a limiting block matched with the clamping groove.

In the utility model, the clamping groove is arranged above the notch of the locking groove, and the upper part of the limiting block is clamped in the clamping groove.

In the utility model, the upper part of the limiting block is provided with an inclined plane b which is convenient for plugging, wherein the inclined plane b is arranged on one side close to the locking groove, and the notch of the locking groove is also provided with an abutting groove for limiting.

In the utility model, the lower part of the limiting block and the same side of the inclined surface b are provided with an abutting part matched with an abutting groove, and the abutting groove is arranged at the upper part of the locking groove.

In the present utility model, it is characterized in that: the limiting block is of an L-shaped structure, and the limiting block and the locking strip are of an integrated structure.

In the utility model, the locking strip is provided with the groove which is convenient for bending and deforming the limiting block, and the groove and the limiting block are positioned on the same side.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) The connector of the utility model is in multistage limiting fixation by abutting the limiting groove with the barb structure and the locking strip with the top surface of the reinforcing part, so that the connection retaining force between the terminal main body and the rubber shell plug-in unit and the connection strength are greatly increased, the retaining force is improved to more than 60N from about 15N, and the performance of the connector is in accordance with the standard performance requirements of automobile connectors such as QC/T1067-2017 or USCAR2.0 and the like, and the connector is very reliable.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a connector structure of a connector in embodiment 1;

FIG. 2 is a schematic cross-sectional view of the adhesive insert of embodiment 1;

fig. 3 is a schematic cross-sectional structure of a terminal body in embodiment 1;

fig. 4 is a schematic view showing the internal structure of the connector in embodiment 1;

fig. 5 is a schematic diagram of a connection structure between a locking bar and a rubber plug in embodiment 1.

1. The board end base, 2, the contact pin, 3, the rubber shell plug-in components, 4, locking strip, 5, the terminal main part, 2.1, hold the chamber, 2.2, spacing groove, 2.3, the locking groove, 2.4, the butt groove, 2.5, the stopping portion, 2.6, the draw-in groove, 4.1, the recess, 4.2, the stopper, 4.3, inclined plane b,4.4, the butt portion, 5.1, the reinforcing part, 5.2, the barb, 5.3, connecting portion, 5.4, the angle of refraction a.

Detailed Description

Possible implementations within the scope of the present disclosure may have fewer components, have other components not shown in the drawings, different components, differently arranged components, differently connected components, etc., than the examples shown in the drawings. Furthermore, two or more of the elements in the figures may be implemented in a single element or a single element shown in the figures may be implemented as multiple separate elements.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising," "comprising," or "having" and the like means that elements or items preceding the word are meant to be encompassed by the element or item recited following the word and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected" and the like are not limited to the physical or mechanical connection or communication shown in the drawings, but may include connection or communication equivalent thereto, whether direct or indirect. "upper", "lower", "left", "right", "horizontal", "vertical", etc. are only used to indicate a relative positional relationship, which may be changed accordingly when the absolute position of the object to be described is changed.

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, a connector according to an embodiment of the present application is illustrated.

The connector comprises a board end base 1, a pin 2 inserted at the bottom of the board end base 1, a rubber shell insert 3 inserted at the top of the board end base 1, a plurality of terminal bodies 5 inserted in the rubber shell insert 3, and further comprises a locking strip 4 according to one embodiment of the present application.

The top of the rubber shell insert 3 is provided with a plurality of containing cavities 2.1 for connecting the terminal main body 5, the containing cavities 2.1 are rectangular groove bodies and the containing cavities 2.1 are arranged on the top surface of the rubber shell insert 3 in a line shape.

Preferably, the terminal body 5 is composed of a reinforcing portion 5.1 and a connecting portion 5.3 for connecting the conductive wire harness, wherein the reinforcing portion 5.1 is of a hollow rectangular structure, and the connecting portion 5.3 is disposed on the top end of the rear side of the reinforcing portion 5.1 to extend vertically upward. The back side of the reinforcing part 5.1 is provided with an integrally bent barb 5.2, and the bending angle of the barb 5.2 is 30 degrees. Namely, the bending angle a of the barb 5.2 is an acute angle, and the barb 5.2 and the connecting part 5.3 are positioned on the same side.

The lower side of the containing cavity 2.1 is provided with a limit groove 2.2 matched with the barb 5.2, the limit groove 2.2 is communicated with the containing cavity 2.1, and after the terminal main body 5 is inserted into the containing cavity 2.1, the top end of the barb 5.2 is abutted with the top surface of the limit groove 2.2.

Preferably, two rows of accommodating cavities 2.1 are arranged at the top of the rubber shell insert 3, the accommodating cavities 2.1 close to the front side of the rubber shell insert 3, and the limiting grooves 2.2 of the accommodating cavities are arranged at the front side of the rubber shell insert 3; the limiting groove 2.2 of the containing cavity 2.1 which is close to the rear side of the rubber shell insert 3 is arranged at the rear side part of the rubber shell insert 3.

The lateral part of the rubber shell plug-in 3 is provided with a locking groove 2.3 penetrating through the containing cavity 2.1, and the rubber shell plug-in 3 is connected with the locking strip 4 through the locking groove 2.3 to carry out secondary limiting on the terminal main body 5 and prevent the terminal main body from falling off. The right end of the locking strip 4 is provided with a limiting block 4.2 with an L-shaped structure and a groove 4.1 which is convenient for deformation of the limiting block 4.2, namely the limiting block 4.2 and the groove 4.1 are positioned on the same side. Because the locking strip 4 is made of plastic, the limiting block 4.2 can be deformed and bent towards one side of the groove 4.1 by applying pressure to the limiting block 4.2, and the locking strip 4 is easier to insert.

Preferably, the locking groove 2.3 penetrates through two side parts of the rubber shell insert 3, and two side parts of the rubber shell insert 3 are provided with a stopping part 2.5 for preventing the locking strip 4 from backing. The retaining part 2.5 is provided with a clamping groove 2.6 matched with the locking strip 4, the clamping groove 2.6 is arranged above the locking groove 2.3, and the right end of the locking strip 4 is provided with a limiting block 4.2 matched with the clamping groove 2.6.

The upper part of the limiting block 4.2 is clamped in the clamping groove 2.6 so as to prevent the locking bar 4 from retreating after being inserted into the locking groove 2.3. The upper portion of stopper 4.2 is equipped with the inclined plane b4.3 of being convenient for pegging graft, wherein, inclined plane b4.3 sets up and is being close to locked groove 2.3 one side, the notch department of locked groove 2.3 still is equipped with the butt groove 2.4 that is used for spacing.

Preferably, the lower part of the limiting block 4.2 and the same side of the inclined surface b4.3 are provided with an abutting part 4.4 matched with the abutting groove 2.4, and the abutting groove 2.4 is arranged on the upper part of the locking groove 2.3, so that the phenomenon of overextension of the locking bar 4 after the locking bar 4 is inserted into the locking groove 2.3 is prevented, and the positioning of the locking bar 4 is more facilitated.

The locking strip 4 and the limiting block 4.2 are of an integrated structure, and the groove 4.1 and the limiting block 4.2 are arranged on the same side. After the terminal main body 5 is inserted into the accommodating cavity 2.1, the reverse hook 5.2 is matched with the limiting groove 2.2 to form primary limiting, the bottom of the locking strip 4 is abutted with the top surface of the reinforcing part 5.1 after the locking strip 4 is inserted into the locking groove 2.3 to form secondary limiting, so that the connection strength of the terminal main body 5 and the rubber shell plug-in unit 3 is greatly improved, and the terminal main body is prevented from falling off.

Preferably, the limiting groove 2.2 penetrates through the side part of the rubber shell insert 3, so that the terminal main body 5 is easy to detach during replacement.

The connector is in multistage limiting fixation through the abutting connection of the limiting groove 2.2 and the barb structure and the locking strip 4 and the top surface of the reinforcing part 5.1, so that the connection maintaining force and the connection strength between the terminal main body 5 and the rubber shell plug-in unit 3 are greatly improved from about 15N to more than 60N, and the performance of the connector meets the standard performance requirements of automobile connectors such as QC/T1067-2017 or USCAR2.0 and the like, and the connector is quite reliable.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims

1. The connector for enhancing terminal fixation and preventing disconnection comprises a base plate end base (1) with a contact pin (2), a rubber shell plug-in unit (3) matched and spliced with the base plate end base (1) and a plurality of terminal main bodies (5) inserted in the rubber shell plug-in unit (3),

the method is characterized in that:

be equipped with a plurality of appearance chamber (2.1) that are used for connecting terminal main part (5) on rubber shell plug-in components (3), one side of appearance chamber (2.1) is equipped with spacing groove (2.2), terminal main part (5) one side be equipped with spacing groove (2.2) complex barb (5.2) and reinforcement portion (5.1), the lateral part of rubber shell plug-in components (3) still is equipped with locking groove (2.3) that run through appearance chamber (2.1), locking groove (2.3) interpolation is equipped with locking bar (4), the bottom of locking bar (4) with the top surface butt of reinforcement portion (5.1).

2. The enhanced terminal-securing anti-drop connector as claimed in claim 1, wherein: the terminal main body (5) comprises a connecting part (5.3) for connecting a conductive wire harness and a reinforcing part (5.1) of a hollow structure, wherein the connecting part (5.3) is arranged on one side of the top surface of the terminal main body (5), and the inverted hook (5.2) and the connecting part (5.3) are arranged on the same side.

3. The enhanced terminal-securing anti-drop connector as claimed in claim 2, wherein: the top end of the inverted hook (5.2) is abutted with the top surface of the limiting groove (2.2), and the limiting groove (2.2) penetrates through the side part of the rubber shell insert (3).

4. The enhanced terminal-securing anti-drop connector as claimed in claim 3, wherein: the side of the rubber shell plug-in (3) is provided with a stop part (2.5) for preventing the locking bar (4) from retreating, the stop part (2.5) is provided with a clamping groove (2.6) matched with the locking bar (4), and one end of the locking bar (4) is provided with a limiting block (4.2) matched with the clamping groove (2.6).

5. The enhanced terminal-securing anti-slip connector as claimed in claim 4, wherein: the clamping groove (2.6) is arranged above the notch of the locking groove (2.3), and the upper part of the limiting block (4.2) is clamped in the clamping groove (2.6).

6. The enhanced terminal-securing anti-slip connector as claimed in claim 5, wherein: the upper portion of stopper (4.2) is equipped with inclined plane b (4.3) of being convenient for peg graft, wherein, inclined plane b (4.3) set up in being close to locked groove (2.3) one side, the notch department of locked groove (2.3) still is equipped with butt groove (2.4) that are used for spacing.

7. The enhanced terminal-securing anti-slip connector as defined in claim 6, wherein: the lower part of the limiting block (4.2) and the same side of the inclined surface b (4.3) are provided with an abutting part (4.4) matched with the abutting groove (2.4), and the abutting groove (2.4) is arranged on the upper part of the locking groove (2.3).

8. The enhanced terminal-securing and anti-slip connector as claimed in any one of claims 4-7, wherein: the limiting block (4.2) is of an L-shaped structure, and the limiting block (4.2) and the locking strip (4) are of an integrated structure.

9. The enhanced terminal-securing anti-slip connector as claimed in claim 8, wherein: the lock bar (4) is provided with a groove (4.1) which is convenient for bending and deforming the limiting block (4.2), and the groove (4.1) and the limiting block (4.2) are positioned on the same side.