CN220272776U - Automobile connector - Google Patents

Abstract

The utility model discloses an automobile connector, which comprises: a circuit board, a plug connector and an outer protective shell; one side of the plug connector is connected with the circuit board, the plug connector is provided with a plug connector part, a plurality of mounting holes are formed in the plug connector part along the length direction, the mounting holes penetrate through two sides of the plug connector part, the mounting holes are plugged with the plug pins, one ends of the plug pins are L-shaped, one ends of the plug pins are positioned between the plug connector and the circuit board, one ends of the plug pins protrude out of the plug connector for welding the plug pins and the circuit board together later, the outer protective shell is sleeved at the other ends of the plug pins, openings are formed in the opposite surfaces of the outer protective shell and the other ends of the plug pins for inserting the plug pins so that the plug pins are connected with the plug pins, the middle sections of the plug pins are polygonal, and the mounting holes are matched with the middle sections of the plug pins in size for fixing the plug pins.

Description

Automobile connector

Technical Field

The utility model belongs to the technical field of connectors, and particularly relates to an automobile connector.

Background

Connectors, also called connectors, are a component commonly used in the field of electrical connection, and their functions mainly transmit electrical signals or conduct electricity, and their forms and structures start to emerge with connectors of various forms according to different application objects, frequencies, powers, application environments and the like, and the connectors can bridge the communication between the blocked or isolated circuits in the circuit, so that the current flows, and the circuit realizes the predetermined function.

The existing connector mainly comprises a shell, a contact Pin assembly and a circuit board, wherein a metal shell is coated outside the shell, a plurality of plug-in ports are formed in the shell, the contact Pin assembly is formed by a plurality of Pin needles connected in the plug-in ports, the shell is connected to the circuit board through the Pin needles, the Pin of a connector is correspondingly plugged into a jack of the circuit board, then the Pin needles are welded and fixed on the circuit board, and as the plug-in force of the connector can be generated, the Pin needles are easily stressed and inclined, the installation stability is poor, therefore, before the Pin needles are welded, the circuit board needs to be turned over again, then the circuit board passes through a boss formed in the shell from the bottom surface of the circuit board through bolts and is fastened through nuts, the whole installation process is complex, the installation process is more, the installation is inconvenient and time and labor are wasted, the installation efficiency is low, the increase of production benefits is restrained, and in order to solve the problems, and the automobile connector is proposed.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art.

Therefore, the utility model provides the automobile connector which has the advantage of being convenient to assemble.

According to an embodiment of the utility model, an automotive connector includes: a circuit board, a plug connector and an outer protective shell; one side of plug connector is connected with the circuit board, the plug connector has grafting portion, a plurality of mounting holes have been seted up along length direction to grafting portion, the mounting hole runs through in the both sides of grafting portion, peg graft on the mounting hole has the contact pin, the one end of contact pin is L shape, the one end of contact pin is located between plug connector and the circuit board, just the one end protrusion of contact pin is in the plug connector for follow-up with contact pin and circuit board welding together, the other end of contact pin is located to outer protective case cover, the opening has been seted up on the opposite face of outer protective case and the contact pin other end for insert to the plug-in components, so that be connected to plug-in components and contact pin.

According to one embodiment of the utility model, the middle section of the pin is a polygon prism, and the mounting hole is matched with the size of the middle section of the pin and is used for fixing the pin.

According to one embodiment of the utility model, the diameter of at least one end of the pin is not greater than the diameter of the middle section of the pin to facilitate insertion of the pin into the mounting hole.

According to one embodiment of the utility model, the plug connector is further provided with a fixing part, one side of the plug connector and one side of the fixing part are positioned on the same plane, and the other side of the plug connector protrudes out of the fixing part so as to enlarge the wrapping area for installing the Kong Duicha needle.

According to one embodiment of the utility model, grooves with the same number as the mounting holes are formed in one side of the fixing part, the plurality of mounting holes are in one-to-one correspondence with the plurality of grooves and are mutually perpendicular, and one end inner surface of the contact pin is attached to the inner surface of the groove.

According to one embodiment of the utility model, a first channel is formed in one side, close to the plug connector, of the outer protective shell, the first channel corresponds to the plug connector, the size of the first channel is matched with that of the plug connector, second channels with the same number as the pins are further formed above the first channel along the length direction of the outer protective shell, and the size of the second channel is matched with the other ends of the pins, so that the plug connector drives the pins to enter the outer protective shell.

According to one embodiment of the utility model, the circuit board is provided with at least two positioning holes, the plug connector is provided with positioning blocks with the same number as the positioning holes, and the positioning blocks are in one-to-one correspondence with the positioning holes.

According to one embodiment of the utility model, the plug is a high temperature resistant material.

According to one embodiment of the utility model, the pins are copper material.

The utility model has the beneficial effects that the plug connector is adopted, the contact pin is inserted into the plug connector, and the inserted contact pin is uniformly bent, so that the insertion speed and the bending speed are improved, the assembly difficulty is reduced, the manufacturing cost is reduced, and meanwhile, the resistance of the plug connector to the L-shaped contact pin is reduced, so that the drawing force between the contact pin and the circuit board is reduced when the other end of the contact pin is inserted, the phenomenon of fracture at the welding part caused by the drawing force is reduced, and the service life of the connector is prolonged.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

The foregoing and/or additional aspects and advantages of the present utility model will become apparent and may be readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic diagram illustrating the overall structure of the present utility model in a disassembled form;

FIG. 2 is a schematic side cross-sectional view of the overall structure of the present utility model;

FIG. 3 is a schematic view of a plug connector according to the present utility model;

reference numerals:

1. a circuit board; 11. positioning holes; 2. an outer protective shell; 21. a first channel; 22. a second channel; 3. a plug-in component; 31. a mounting hole; 32. a positioning block; 33. a fixing part; 34. a plug-in part; 4. and (5) inserting pins.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between 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.

An automobile connector according to an embodiment of the present utility model is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, an automobile connector according to an embodiment of the present utility model includes: a circuit board 1, a plug connector 3 and an outer protective shell 2; one side of plug connector 3 is connected with circuit board 1, plug connector 3 has grafting portion 34, a plurality of mounting holes 31 have been seted up along length direction to grafting portion 34, mounting hole 31 runs through in the both sides of grafting portion 34, peg 4 has been pegged graft on the mounting hole 31, the one end of peg 4 is L shape, the one end of peg 4 is located between plug connector 3 and circuit board 1, and the one end protrusion of peg 4 is in plug connector 3, in order to be used for follow-up with the welding of peg 4 and circuit board 1 together, the other end of peg 4 is located to outer protective case 2 cover, the opening has been seted up on the opposite face of outer protective case 2 and the other end of peg 4 for insert to the plug-in components, so that be connected with contact pin 4 to the plug-in components.

In this embodiment, the plurality of mounting holes 31 are arranged according to the positions and the number of the pins 4 to be plugged on the plug-in unit, when the plug-in unit is mounted, the pins 4 are inserted into the mounting holes 31, both ends of the pins 4 are exposed out of the mounting holes 31, one end of each pin 4 is uniformly bent, the bent pins 4 are attached to one side of the plug-in unit 3, the plug-in unit 3 and the circuit board 1 are fixed together, one end of each pin 4 can be welded on the circuit board 1, the plug-in unit is uniformly bent after being plugged, the mounting speed is increased, meanwhile, the step is simple and easy to operate, and the assembly mode can be completed by adopting an automation device such as a manual or mechanical arm, so that the working efficiency is effectively improved.

Further, after fixing the plug connector 3 and the circuit board 1, the SMT chip mounter is adopted to carry out chip mounting on the plug connector 3, so that synchronous chip mounting is realized on the plug connector 3 and a common LED, a resistor or a capacitor and the like, and after chip mounting, reflow soldering is synchronously carried out, so that after the traditional chip mounting is replaced, manual or machine welding is carried out on the plug connector 3, and the process flow is reduced and the production cost is reduced.

Furthermore, the pin 4 may be an L-shaped pin 4 or a U-shaped pin 4 according to the requirement for the plug-in unit, if the L-shaped pin 4 is required, one end of the pin 4 may be bent, and if the U-shaped pin 4 is required, both ends of the pin 4 may be bent to adapt to different plug-in units.

The middle section of the pin 4 is a polygon prism, and the mounting hole 31 is matched with the size of the middle section of the pin 4 and is used for fixing the pin 4.

In this embodiment, adopt the contact pin 4 of polygon prism shape can effectually avoid contact pin 4 to take place to rotate when pegging graft, prevent to take place the fracture because of contact pin 4 that contact pin 4 rotated the welding department that causes and circuit board 1, effectually increased the life of connector, the during use, contact pin 4 is difficult for shifting in the welding process, makes welding work more simple and convenient.

The diameter of at least one end of the pin 4 is not greater than the diameter of the intermediate section of the pin 4 to facilitate insertion of the pin 4 into the mounting hole 31.

In this embodiment, the other end of the pin 4 needs to be set according to the requirement for the plug-in unit, and one end and the middle section of the pin 4 can be set according to the setting size of the maximized proportion of the whole connector, so as to increase the strength of the pin 4 and increase the service life of the pin, and since the diameter of at least one end is not greater than the diameter of the middle section of the pin 4, the insertion of the pin 4 into the mounting hole 31 is not affected.

The plug connector 3 further has a fixing portion 33, one side of the plug portion 34 and one side of the fixing portion 33 are located on the same plane, and the other side of the plug portion 34 protrudes from the fixing portion 33, so as to enlarge the wrapping area of the mounting hole 31 on the pin 4.

In this embodiment, the fixing portion 33 reduces the distance between the connector 3 and the circuit board 1, and the wider connector portion 34 is adopted, so that the contact area between the connector portion 34 and the pin 4 is enlarged, and the stability of the pin 4 is increased.

Grooves which are the same as the mounting holes 31 in number are formed in one side of the fixing portion 33, the plurality of mounting holes 31 are in one-to-one correspondence with the plurality of grooves and are mutually perpendicular, and one end inner surface of the contact pin 4 is attached to the inner surface of the groove.

In this embodiment, the distance between the connector 3 and the circuit board 1 is shortened, so that the support between the connector 3 and the circuit board 1 is firmer, and meanwhile, the contact pin 4 is clamped in the groove, so as to limit the shaking amplitude of the contact pin 4, and further, the firmness of the contact pin 4 is increased.

The first channel 21 is formed in one side, close to the plug connector 3, of the outer protective shell 2, the first channel 21 corresponds to the plug connector 34 in position, the size of the first channel 21 is matched with that of the plug connector 34, the second channels 22 with the same number as the pins 4 are formed in the upper portion of the first channel 21 along the length direction of the outer protective shell 2, the size of the second channels 22 is matched with the other ends of the pins 4, and therefore the plug connector 34 drives the pins 4 to enter the outer protective shell 2.

In this embodiment, the opening of the outer casing 2 may be set according to the outer dimension of the plug-in unit, so that the opening of the outer casing 2 is attached to the outer surface of the plug-in unit, so as to achieve guiding effect, increase the accuracy of the positions of the plug-in unit and the pin 4, reduce shaking during plugging, avoid the pin 4 extruded by the plug-in unit caused by extrusion after plugging, and after the pin 4 is soldered with the circuit board 1, one surface of the outer casing 2 provided with the first channel 21 and the second channel 22 faces the plug-in unit 3, and the first channel 21 is aligned with the plugging portion 34, the second channel 22 is aligned with the other end of the pin 4, so that the other end of the pin 4 is located inside the outer casing 2, and the top of the other end of the pin 4 faces the opening of the outer casing 2, so that the plug-in unit is inserted into the outer casing 2 from the opening and connected with the other end of the pin 4.

The circuit board 1 is provided with at least two positioning holes 11, the plug connector 3 is provided with positioning blocks 32 with the same quantity as the positioning holes 11, and the positioning blocks 32 are in one-to-one correspondence with the positioning holes 11.

In this embodiment, the positioning block 32 is matched with the positioning hole 11, so that stability in welding the pin 4 and the circuit board 1 is increased, and the welding yield is improved.

The plug connector 3 is made of high-temperature resistant material, the plug connector 3 is made of polyamide 9T, and the polyamide 9T has good heat resistance and can adapt to high temperature during reflow soldering, so that the plug connector is not easy to deform.

The contact pin 4 is made of copper material, and has good conductivity.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. An automotive connector, comprising:

a wiring board (1);

the circuit board comprises a plug connector (3), wherein one side of the plug connector (3) is connected with the circuit board (1), the plug connector (3) is provided with a plug connector (34), a plurality of mounting holes (31) are formed in the plug connector (34) along the length direction, the mounting holes (31) penetrate through two sides of the plug connector (34), a pin (4) is inserted into the mounting holes (31), one end of the pin (4) is L-shaped, one end of the pin (4) is positioned between the plug connector (3) and the circuit board (1), and one end of the pin (4) protrudes out of the plug connector (3) so as to be used for welding the pin (4) and the circuit board (1) together subsequently;

the outer protective shell (2), the other end of contact pin (4) is located to outer protective shell (2) cover, the opening has been seted up on the opposite face of outer protective shell (2) and contact pin (4) other end for insert to the plug-in components, so that be connected to plug-in components and contact pin (4).

2. The automobile connector according to claim 1, wherein the pin (4) middle section is a polygonal column, and the mounting hole (31) is matched with the size of the pin (4) middle section for fixing the pin (4).

3. An automotive connector according to claim 2, characterized in that the diameter of at least one end of the pin (4) is not larger than the diameter of the intermediate section of the pin (4) to facilitate insertion of the pin (4) into the mounting hole (31).

4. The automobile connector according to claim 1, wherein the plug connector (3) further has a fixing portion (33), one side of the plug portion (34) is located on the same plane as one side of the fixing portion (33), and the other side of the plug portion (34) protrudes from the fixing portion (33) so as to enlarge the wrapping area of the mounting hole (31) on the pin (4).

5. The automobile connector according to claim 4, wherein the fixing portion (33) is provided with grooves having the same number as the mounting holes (31), the plurality of mounting holes (31) are in one-to-one correspondence with the plurality of grooves and are perpendicular to each other, and an inner surface of one end of the pin (4) is fitted to an inner surface of the groove.

6. The automobile connector according to claim 5, wherein a first channel (21) is formed in one side, close to the plug connector (3), of the outer protective shell (2), the first channel (21) corresponds to the plug connector (34), the size of the first channel (21) is matched with that of the plug connector (34), second channels (22) with the same number as the pins (4) are formed above the first channel (21) along the length direction of the outer protective shell (2), and the size of the second channels (22) is matched with the other ends of the pins (4) so that the plug connector (34) drives the pins (4) to enter the outer protective shell (2).

7. The automobile connector according to claim 1, wherein the circuit board (1) is provided with at least two positioning holes (11), the plug connector (3) is provided with positioning blocks (32) the same as the positioning holes (11), and the positioning blocks (32) are in one-to-one correspondence with the positioning holes (11).

8. Automotive connector according to claim 1, characterized in that the plug-in connector (3) is a high temperature resistant material.

9. Automotive connector according to claim 1, characterized in that the pins (4) are of copper material.