TWI829254B - Connector - Google Patents

Abstract

A connector includes a case, a terminal and a terminal connecting unit. The case includes a hole. One end of the terminal passes through the hole from the case to be exposed to the outside of the case. The terminal connecting unit is detachably connected to the case. The terminal connecting unit includes an annular housing and at least one latch. The annular housing surrounds the end of the terminal exposed to the case. The at least one latch is located on the outer side of the annular housing.

Description

connector

The present invention relates to a connector, particularly a connector that does not require dismantling the entire product when replacing a tenon, and improves assembly efficiency.

The connector specified by FAKRA (Fachkreis Automobile) is a radio frequency signal connector used to connect automotive cameras. As shown in Figures 1 and 2, the vehicle camera has a housing 800 and a circuit board 700. The circuit board 700 is located in the housing 800. The connector 900 has a terminal 910 and a latch 920 . The terminal 910 passes through the housing 800 and is connected to the circuit board 700 , and the latch 920 is welded to the terminal 910 . In this way, the terminal 910 can be inserted into the external connection slot and transmit the electronic signal of the circuit board 700 to the external connection slot; in addition, the position of the latch 920 welded to the terminal 910 can achieve foolproof and differentiated connections. The purpose of the wire is to avoid mating errors.

However, when replacing the FAKRA standard connector 900 of the current automotive camera with a different latch 920, the original latch 920 needs to be removed from the housing 800 and unsoldered to the terminal 910 before a new latch can be replaced. However, the welding must be removed. The process is very time-consuming and labor-intensive. In addition, after installing a new latch and reinstalling the connector 900 into the housing 800, the air tightness test of the vehicle camera needs to be retested, otherwise there will be concerns about water entering the housing 800.

Therefore, it is necessary to provide a new FAKRA standard connector that does not require dismantling the entire product when replacing the latches. This can avoid the trouble of having to re-carry out the air tightness test after disassembly and improve the efficiency of assembly.

The main purpose of the present invention is to provide a connector that can replace the latch without disassembling the entire product and improve assembly efficiency.

In order to achieve the above object, a connector of the present invention includes a housing, a connecting terminal and a terminal connecting piece. The housing includes a perforation. One end of the connection terminal is exposed to the housing through a hole in the housing. The terminal connector is detachably connected to the housing, and the terminal connector includes an annular housing and at least one latch. The annular shell surrounds the end of the connection terminal exposed on the shell. At least one latch is provided on the outside of the annular housing.

According to an embodiment of the present invention, the end of the connection terminal exposed on the housing is located within the annular housing.

According to an embodiment of the present invention, the housing further includes two first limiting plates; the terminal connector further includes two second limiting plates, wherein the two second limiting plates respectively lock the two first limiting plates. bit board.

According to an embodiment of the present invention, each first limiting plate includes a first buckling portion, and each second limiting plate includes a second buckling portion relative to the first buckling portion. A fastening part and the corresponding second fastening part are mutually fastened and fixed.

According to an embodiment of the present invention, the terminal connector further includes a shell bottom, and the shell bottom is used for connecting with a side of the annular shell close to the shell.

According to an embodiment of the present invention, the housing further includes at least one glue slot for applying glue to the glue slot to connect the housing and the bottom of the case.

According to an embodiment of the present invention, the connector further includes a plurality of screws, and the bottom of the housing is connected to the housing through the plurality of screws.

According to an embodiment of the present invention, the connector further includes a circuit board. The circuit board is located in the housing and connected to the other end of the connection terminal.

In order to better understand the technical content of the present invention, preferred specific embodiments are described below.

Please refer to FIGS. 3 to 7 below for the circuit structure and connector of a camera according to an embodiment of the present invention. FIG. 3 is a schematic diagram of the circuit structure of a camera according to an embodiment of the present invention. FIG. 4 is a cross-sectional view of the circuit structure of a camera according to an embodiment of the present invention. FIG. 5 is another schematic diagram of the circuit structure of a camera according to an embodiment of the present invention. FIG. 6 is a schematic diagram of the terminal connector and the housing separated according to one embodiment of the present invention. FIG. 7 is a schematic diagram of another form of the tenon of the connector according to an embodiment of the present invention.

As shown in Figures 3, 4 and 6, in one embodiment of the present invention, the connector 1 is a FAKRA (Fachkreis Automobile) standard connector, which is used to connect to a slot of a vehicle camera (not shown) . The connector 1 includes a housing 100 , a circuit board 200 , a connecting terminal 10 , a terminal connector 20 , four adhesives 40 and two screws 50 .

In an embodiment of the present invention, the housing 100 includes a through hole 110 , two first limiting plates 120 and four dispensing slots 130 . The through hole 110 is used for the connection terminal 10 to pass through. The first limiting plate 120 is a plate extending outward from the surface of the housing 100 and is provided with a first snap portion 1201. The two first limiting plates 120 are respectively located on opposite sides of the connector 1 for fastening. Terminal connector 20. In this embodiment, the first fastening portion 1201 is a through hole penetrating the first limiting plate 120 . Four dispensing slots 130 are located below the terminal connector 20 and are used to bond the terminal connector 20. However, the number of the dispensing slots 130 is not limited to four, and the number can be determined according to design requirements. Change to more than one. The circuit board 200 is used to control the electronic signal operation of the connector 1. The circuit board 200 is located inside the housing 100. The housing 100 can protect the circuit board 200 from being damaged by external forces.

In an embodiment of the present invention, the connection terminal 10 is a cylindrical circuit connection end. One end of the connection terminal 10 is exposed from the housing 100 through the through hole 110 to be inserted into the slot of an external vehicle camera; the other end of the connection terminal 10 is connected to the circuit board 200 .

In one embodiment of the present invention, the terminal connector 20 is detachably connected to the housing 100 and includes an annular housing 21 , a tenon 22 , two second limiting plates 23 and a housing bottom 24 . As shown in FIG. 3 , FIG. 5 and FIG. 6 , in one embodiment of the present invention, the bottom 24 is connected to the housing 100 through two screws 50 . The two screws 50 are used to fix the terminal connector 20 at a specific position on the housing 100 . However, the number of screws 50 is not limited to two, and can be changed to any number above two according to design requirements.

The annular housing 21 is connected to the bottom 24 of the housing and surrounds the end of the connecting terminal 10 exposed on the housing 100 so that the end of the connecting terminal 10 of the housing 100 is located within the annular housing 21 . The tenon 22 is a clamping structure that complies with FAKRA specifications and is located on the outside of the annular housing 21 . When the connection terminal 10 is inserted into the slot of the external vehicle camera, the latch 22 will engage with the corresponding locking groove in the slot of the external vehicle camera. If the assembler inserts the connection terminal 10 into the slot of an unmatched vehicle camera, the latch 22 will be stuck with the unmatched slot to achieve a fool-proof effect. However, the number of latches is not limited to one. As shown in the connector 1a of Figure 7, the terminal connector 20a includes an annular housing 21 and three latches 22, 22a, and 22b. The three latches 22, 22a, and 22b. 22a and 22b will be combined with three fastening slots at corresponding positions in the slot of another external vehicle camera. It should be noted that in the clamping structure according to the FAKRA specification, the position and number of the tenons have fixed specifications. Therefore, the number and position of the tenons of the present invention can be changed to the number and position that comply with the FAKRA specification.

As shown in Figures 5 and 6, in one embodiment of the present invention, two second limiting plates 23 are connected to opposite sides of the shell bottom 24 to respectively secure the two first limiting plates 120. In this embodiment, the second limiting plate 23 is a plate extending outward from the bottom case 24, and the second limiting plate 23 is provided with a second buckling portion 231 relative to the first buckling portion 1201, and The first fastening part 1201 and the second fastening part 231 can be mutually fastened and fixed. In this embodiment, the first fastening part 1201 and the second fastening part 231 are respectively through holes and buckles. In actual implementation, It can also be configured in reverse, and the invention is not limited thereto. The bottom 24 of the shell is used to connect with the side of the annular shell 21 close to the housing 100. The bottom 24 of the shell is located above the through hole 110 and the glue dispensing groove 130. The four adhesives 40 can be respectively coated in the glue dispensing groove 130. The housing 100 is connected to the bottom 24 of the housing to keep the position of the terminal connector 20 stable.

When the assembler wants to assemble the connector 1, first, as shown in Figures 3 and 4, the assembler must solder the connection terminal 10 to the circuit board 200, and insert the end of the connection terminal 10 into the external slot outward through Piercing 110. Then, the assembly personnel can fill the adhesive 40 into each dispensing groove 130 . Then, the assembler can insert the annular shell 21 into the connecting terminal 10 so that the bottom 24 of the shell covers each dispensing groove 130 and the through hole 110, and allows the adhesive 40 in the dispensing groove 130 to adhere to the bottom 24 of the shell. The terminal connector 20 and the housing 100 are combined in a stable position. In this way, the connector 1 is assembled and the latch 22 is in the appropriate position to plug into the slot of the external vehicle camera.

However, the method of combining the terminal connector 20 and the housing 100 in a stable position is not limited to the above. The assembler can also fasten each second limiting plate 23 to the corresponding first limiting plate 120, that is, The terminal connector 20 and the housing 100 are combined in a stable position; or the screws 50 are passed through the bottom 24 of the housing and connected to the housing 100, so that the terminal connector 20 and the housing 100 are combined in a stable position; or The above three fixing methods are performed simultaneously, so that the combination of the terminal connector 20 and the housing 100 will be more stable. It should be noted that the advantage of using the second limiting plate 23 for fixing is that it is convenient for quick disassembly, and the advantage of using the adhesive 40 and screws 50 for fixing is that the fixing effect is better, so the assembler can choose at will according to the use needs. Suitable fixation method.

If the assembler needs to remove the latches 22 in Figure 3 and install other latches that comply with FAKRA specifications, as shown in Figures 3, 4 and 6, the assembler can first remove the screws 50 from the housing 100, Then remove each second limiting plate 23 from the corresponding first limiting plate 120, and then apply a slight force to separate the bottom 24 of the shell and the adhesive 40, and then the terminal connector 20 can be moved up from the connecting terminal 10 by hand. remove. Then, as shown in FIG. 7 , the assembler can insert the annular shell 21 of the other terminal connector 20 a into the connecting terminal 10 , so that the shell bottom 24 covers each dispensing slot 130 and the through hole, and sets each second limiter The plate 23 is fastened to the corresponding first limiting plate 120, so the terminal connector 20a will be combined with the housing 100 in a stable position. Then, the assembler can pass the screws 50 through the bottom 24 of the case and connect the case 100, so the combination of the fastener 30 and the case 100 will be more stable. In this way, the connector 1a in another form is assembled, and the latches 22, 22a, and 22b are in appropriate positions for plugging into the slot of the external vehicle camera.

Through the design of the camera circuit structure and connector of the present invention, when replacing different types of latches that comply with FAKRA specifications, there is no need to disassemble the entire product. Only the parts located in the casing can be replaced while the casing remains closed. The external terminal connectors and fasteners can be easily replaced with other latches; this avoids the trouble of having to re-test the airtightness after disassembly and improves assembly efficiency.

It should be noted that the above are only examples and are not limited to the examples. For example, anything that does not deviate from the basic structure of the present invention shall fall within the scope of rights claimed by this patent, and the patent application scope shall prevail.

Previous technology: 700:Circuit board 800: Shell 900: Connector 910:Terminal 920: Tenon The present invention: 1. 1a: Connector 10:Connection terminal 20, 20a: Terminal connector 21: Ring shell 22, 22a, 22b: Tenon 23: Second limit plate 231: Second fastening part 24: Shell bottom 40:Viscose 50:Screw 100: Shell 110:Perforation 120: First limit plate 1201: First fastening part 130:Glue dispensing tank 200:Circuit board

Figure 1 is a schematic diagram of a prior art connector and housing. Figure 2 is a cross-sectional view of a prior art connector, housing and circuit board. FIG. 3 is a schematic diagram of the circuit structure of a camera according to an embodiment of the present invention. FIG. 4 is a cross-sectional view of the circuit structure of a camera according to an embodiment of the present invention. FIG. 5 is another schematic diagram of the circuit structure of a camera according to an embodiment of the present invention. FIG. 6 is a schematic diagram of the terminal connector and the housing separated according to one embodiment of the present invention. FIG. 7 is a schematic diagram of another form of the tenon of the connector according to an embodiment of the present invention.

1: Connector

10:Connection terminal

20:Terminal connector

21: Ring shell

22: Tenon

24: Shell bottom

100: Shell

110:Perforation

200:Circuit board

Claims (5)

A connector includes: a housing including a through hole; the housing further includes two first limiting plates and at least one glue groove; each first limiting plate includes a first buckling portion; a connection terminal , one end of the connection terminal is exposed from the housing through the through hole; a terminal connector is detachably connected to the housing, the terminal connector includes: a bottom of the shell; an annular shell surrounding the exposed At the end of the connection terminal of the housing; at least one latch is provided on the outside of the annular housing; and two second limiting plates, the two second limiting plates respectively fasten the two The first limiting plate, each second limiting plate includes a second engaging portion relative to the first engaging portion, the first engaging portion and the corresponding second engaging portion are engaged and fixed with each other ; Among the first fastening part and the second fastening part, one of them is a through hole and the other is a buckle; wherein the at least one glue groove is used for applying an adhesive to the The at least one glue groove connects the housing to the bottom of the case; when the bottom of the case and the glue are separated, the terminal connector can be removed from the connection terminal. The connector of claim 1, wherein the end of the connection terminal exposed on the housing is located within the annular housing. The connector of claim 1, wherein the bottom of the shell is used to connect with a side of the annular shell close to the shell. The connector of claim 3 further includes a plurality of screws, and the bottom of the shell is connected to the housing through the plurality of screws. The connector of claim 1 further includes a circuit board located in the housing and connected to the other end of the connection terminal.

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