Sinking plate type FPC connector with weld leg reinforcing function

Abstract

The utility model relates to a sinking plate type FPC connector with a weld leg reinforcing function, which comprises a substrate, a plastic main body, a contact terminal and a fixed soldering lug unit, the periphery of the plastic main body is provided with the fixed soldering lug unit, the plastic main body is welded with the substrate through the fixed soldering lug unit, and the contact terminal is connected with the substrate through the fixed soldering lug unit. The plastic main body is provided with a contact terminal and a rotary upper cover, the rotary upper cover is located at the upper part of the contact terminal and is used for fixing the contact terminal, and the connector has the advantages that the fixed soldering lug units are distributed at the periphery of the plastic main body, so that the stress of the connector in each direction is balanced, the looseness is avoided, and the reliability of the connector is improved. And effective transmission of data information is realized.

Description

Technical Field

[0001] The utility model relates to a sunken plate type FPC connector with a welding foot reinforcement function, belonging to the field of connectors. Background Art

[0002] BTB connectors are mainly used in MINI LED backlights in the display industry. MINI LED screens have higher peak brightness, longer screen life, and lower power consumption than traditional screens. It is difficult for traditional LED and OLED screens to achieve a maximum screen excitation brightness of more than 1000nit, and even if they can, it is mostly at the expense of screen life. Smart screen products using MiniLED screens can not only easily improve screen brightness and picture clarity, but also have better performance in terms of power consumption and life.

[0003] When fixing the plastic body, double-sided or three-sided fixed welding is performed on the aluminum substrate. Due to long-term use in a high-temperature environment, the aluminum substrate will swell at high temperature, resulting in certain deformation, causing the connector to be subjected to external force from the aluminum substrate, resulting in welding cracking and falling off due to uneven force on three or two sides. At the same time, when pressing the cable from top to bottom, double-sided or three-sided fixed welding will cause the product to fall off the aluminum substrate. Utility Model Content

[0004] In order to overcome the defects of the prior art, the utility model provides a sunken plate type FPC connector with a solder foot reinforcement function. The technical solution of the utility model is:

[0005] A sunken plate FPC connector with a solder foot reinforcement function comprises a substrate, a plastic body, a contact terminal and a fixed solder piece unit, wherein the fixed solder piece unit is arranged around the periphery of the plastic body, the plastic body is welded to the substrate through the fixed solder piece unit, the contact terminal and a rotating upper cover are installed on the plastic body, the rotating upper cover is located on the upper part of the contact terminal, fixes the contact terminal, and rotates with the plastic body; the fixed solder piece unit is distributed on the periphery of the plastic body, and comprises a semicircular fixed solder piece and an open-hole fixed solder piece, the plastic body is arranged in a rectangular shape as a whole, the open-hole fixed solder piece is arranged on the edges of the two short sides of the plastic body, several semicircular fixed solder pieces are arranged on the edge of one of the long sides of the plastic body, and the open-hole fixed solder piece is arranged on the edge of the other long side; one end of the semicircular fixed solder piece and the open-hole fixed solder piece is embedded in the plastic body, and the other end is welded to the substrate.

[0006] The open-hole type fixed welding piece includes a first welding piece body, one end of which forms a snap-on bending section, and the other end forms a welding bending section, and a lower snap that cooperates with the plastic body is arranged on the snap-on bending section; a through hole is arranged between the welding bending section and the first welding piece body; the first welding piece body is welded on the substrate.

[0007] The semicircular fixing welding piece comprises a second welding body, a side buckle cooperating with the plastic body is arranged on one side of the second welding body, a semicircular groove is formed at the outer end of the second welding body, and the second welding body is welded on the substrate.

[0008] A plugging hole for plugging with an open hole type fixing welding piece and a semicircular type fixing welding piece is arranged at the lower part of the plastic body.

[0009] A limited upper pressure rod blind hole, a stop cable boss, an upper contact terminal positioning opening and a lower contact terminal positioning opening are also arranged on the plastic body from top to bottom.

[0010] The contact terminal is integrally formed, including a pressure rod, an upper contact terminal, a lower contact terminal and a connecting rod. The pressure rod, the upper contact terminal and the lower contact terminal are arranged in sequence from top to bottom on one side of the connecting rod. The pressure rod is inserted into the limiting upper pressure rod blind hole, and a limiting protrusion that cooperates with the rotating upper cover is arranged on the pressure rod; an upper contact terminal contact and an upper contact terminal clamping point are arranged on the upper contact terminal; a limiting area and a lower contact terminal clamping point are arranged on the lower contact terminal, and a terminal welding surface is formed at the bottom of the other side of the connecting rod.

[0011] The upper contact terminal is placed in the upper contact terminal positioning opening and contacts the stop wire boss; the lower contact terminal is placed in the lower contact terminal positioning opening; the upper contact terminal is an elastic terminal.

[0012] The rotating upper cover is provided with a rotating shaft that rotates with the plastic body. A limiting shaft is provided on one side of the rotating shaft. The rotating shaft cooperates with the limiting protrusion, and the limiting protrusion limits the rotating shaft. Engaging protrusions that cooperate with the plastic body are also provided at both ends of the rotating shaft.

[0013] The advantages of the utility model are:

[0014] 1. By distributing the fixed soldering units around the plastic body, the force in all directions of the connector is balanced, loosening is avoided, and effective transmission of data information is achieved; at the same time, the fixed soldering units arranged around the connector increase the bonding force with the substrate, preventing the plastic body from being separated from the substrate when the upper cover is rotated and fastened; avoiding the problem of loosening of the welding area caused by impacting the connector during transportation and installation.

[0015] 2. The problem of aluminum substrate swelling due to long-term high temperature environment is solved. After the aluminum substrate is deformed, the stress of the aluminum substrate after deformation is evenly released by evenly applying force on all four sides, so that the welding part of the connector will not loosen. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a bottom view of the main structure of the utility model.

[0017] Figure 2 yes Figure 1 Top view of the .

[0018] Figure 3 yes Figure 1 Schematic diagram of the structure of the plastic body.

[0019] Figure 4 yes Figure 3 Rear view of.

[0020] Figure 5 yes Figure 3 sectional view of .

[0021] Figure 6 It is a structural schematic diagram of the rotating upper cover of the utility model.

[0022] Figure 7 It is a structural schematic diagram of the contact terminal of the utility model.

[0023] Figure 8 It is a structural schematic diagram of the plastic body and the contact terminal of the utility model.

[0024] Fig. 9 It is a structural schematic diagram of the open hole type fixed welding piece of the utility model.

[0025] Fig.10 It is a structural schematic diagram of a semicircular fixed welding piece of the utility model. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with specific embodiments, and the advantages and features of the present invention will become clearer as the description proceeds. However, these embodiments are merely exemplary and do not constitute any limitation to the scope of the present invention. It should be understood by those skilled in the art that the details and forms of the technical solution of the present invention may be modified or replaced without departing from the spirit and scope of the present invention, but these modifications and replacements fall within the scope of protection of the present invention.

[0027] See also Figures 1 to 10The utility model relates to a sunken plate FPC connector with a solder foot reinforcement function, comprising a substrate 1, a plastic body 2, a contact terminal and a fixed solder piece unit, wherein the substrate 1 is an aluminum substrate, and the fixed solder piece unit is arranged around the plastic body 2. By arranging the fixed solder piece unit around the plastic body 2, the stability of the connection is improved.

[0028] The plastic body 2 is welded to the substrate 1 through a fixed welding piece unit. A contact terminal 28 and a rotating upper cover 5 are installed on the plastic body 2. The rotating upper cover 5 is located on the upper part of the contact terminal 28, fixes the contact terminal 28, and rotates with the plastic body 2; the fixed welding piece unit is distributed on the periphery of the plastic body 1, including a semicircular fixed welding piece 4 and a perforated fixed welding piece 3. The plastic body 2 is arranged in a rectangular shape as a whole. The perforated fixed welding pieces 3 are arranged on the edges of the two short sides of the plastic body 2, and several semicircular fixed welding pieces 4 are arranged on the edge of one of the long sides of the plastic body 2. In this embodiment, five semicircular fixed welding pieces 4 are arranged, and the perforated fixed welding piece 3 is arranged on the edge of the other long side; one end of the semicircular fixed welding piece 4 and the perforated fixed welding piece 3 is embedded in the plastic body 2, and the other end is welded on the substrate 1.

[0029] like Fig.10 As shown, the open-hole type fixed welding piece includes a first welding piece body 27, one end of the first welding piece body 27 forms a snap-on bending section, and the other end forms a welding bending section, and a lower snap 24 that cooperates with the plastic body is arranged on the snap-on bending section; a through hole 26 is arranged between the welding bending section and the first welding piece body; the first welding piece body 27 is welded on the substrate 1.

[0030] like Fig. 9 As shown, the semicircular fixing welding piece includes a second welding body 26, on one side of which a side buckle 22 cooperating with the plastic body 2 is provided, and a semicircular groove 23 is formed at the outer end of the second welding body 26, and the second welding body 26 is welded on the substrate 1.

[0031] A plugging hole 6 for plugging with an open hole type fixing welding piece and a semicircular type fixing welding piece is provided at the lower part of the plastic body 2 .

[0032] The plastic body 2 is also provided with a limited upper pressure rod blind hole 7, a stop wire arrangement boss 8, an upper contact terminal positioning opening 9 and a lower contact terminal positioning opening 10 from top to bottom.

[0033] The contact terminal is integrally formed, including a pressure rod 14, an upper contact terminal 18, a lower contact terminal 19 and a connecting rod 21. The pressure rod 14, the upper contact terminal 18 and the lower contact terminal 19 are arranged in sequence from top to bottom on one side of the connecting rod 21. The pressure rod 14 is inserted into the limiting upper pressure rod blind hole 7, and a limiting protrusion 15 that cooperates with the rotating upper cover 5 is arranged on the pressure rod 14; an upper contact terminal contact 16 and an upper contact terminal clamping point 17 are arranged on the upper contact terminal 18; a limiting area and a lower contact terminal clamping point are arranged on the lower contact terminal 19, and a terminal welding surface 20 is formed at the bottom of the other side of the connecting rod 21.

[0034] The upper contact terminal 18 is inserted into the upper contact terminal positioning opening 9 and contacts the stop wire boss 8; the lower contact terminal 19 is inserted into the lower contact terminal positioning opening 10; the upper contact terminal 18 is an elastic terminal.

[0035] The rotating upper cover 5 is provided with a rotating shaft 12 that rotates with the plastic body 2. A limiting shaft 13 is provided on one side of the rotating shaft 12. The rotating shaft 12 cooperates with the limiting protrusion, and the limiting protrusion limits the rotating shaft 12. Engaging protrusions 11 that cooperate with the plastic body 2 are also provided at both ends of the rotating shaft 12.

[0036] The working principle of the utility model is:

[0037] First, install the rotating upper cover 5 into the plastic body 2, insert the contact terminals into the holes of the plastic body and the rotating upper cover in turn, buckle the rotating upper cover on the contact terminals, and at the same time, the contact terminals limit the rotating upper cover, so that the plastic body 2, the rotating upper cover 5 and the contact terminals are assembled together, and then the semicircular fixing welding piece and the open hole type fixing welding piece are inserted into the plug hole 6 of the plastic body 2 to complete the assembly, and then welded together with the substrate 1, and the welding of the semicircular fixing welding piece and the open hole type fixing welding piece is completed on the periphery of the substrate 1.

[0038] By distributing the fixed soldering unit around the plastic body, the force in all directions of the connector is balanced, loosening is avoided, and effective transmission of data information is achieved; at the same time, the fixed soldering unit arranged around the connector increases the bonding force with the substrate, preventing the plastic body from separating from the substrate when the upper cover is rotated and snapped in; avoiding the problem of loosening of the welding area caused by impacting the connector during transportation and installation.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sunken FPC connector with a solder foot reinforcement function, characterized in that: It includes a substrate, a plastic body, a contact terminal and a fixed welding piece unit, wherein the fixed welding piece unit is arranged around the periphery of the plastic body, the plastic body is welded to the substrate through the fixed welding piece unit, and the contact terminal and a rotating upper cover are installed on the plastic body, the rotating upper cover is located on the upper part of the contact terminal, fixes the contact terminal, and rotates with the plastic body; the fixed welding piece unit is distributed on the periphery of the plastic body, including a semicircular fixed welding piece and an open hole fixed welding piece, the plastic body is arranged in a rectangular shape as a whole, the open hole fixed welding piece is arranged on the edges of the two short sides of the plastic body, several semicircular fixed welding pieces are arranged on the edge of one of the long sides of the plastic body, and the open hole fixed welding piece is arranged on the edge of the other long side; one end of the semicircular fixed welding piece and the open hole fixed welding piece is embedded in the plastic body, and the other end is welded to the substrate.

2. The sunken plate type FPC connector with solder foot reinforcement function according to claim 1, characterized in that: The open-hole type fixed welding piece includes a first welding piece body, one end of which forms a snap-on bending section, and the other end forms a welding bending section, and a lower snap that cooperates with the plastic body is arranged on the snap-on bending section; a through hole is arranged between the welding bending section and the first welding piece body; the first welding piece body is welded on the substrate.

3. The sunken plate type FPC connector with solder foot reinforcement function according to claim 1, characterized in that: The semicircular fixing welding piece comprises a second welding body, a side buckle cooperating with the plastic body is arranged on one side of the second welding body, a semicircular groove is formed at the outer end of the second welding body, and the second welding body is welded on the substrate.

4. The sunken plate type FPC connector with solder foot reinforcement function according to claim 2 or 3, characterized in that: A plugging hole for plugging with an open hole type fixing welding piece and a semicircular type fixing welding piece is arranged at the lower part of the plastic body.

5. The sunken plate type FPC connector with solder foot reinforcement function according to claim 4, characterized in that: A limited upper pressure rod blind hole, a stop cable boss, an upper contact terminal positioning opening and a lower contact terminal positioning opening are also arranged on the plastic body from top to bottom.

6. The sunken plate type FPC connector with solder foot reinforcement function according to claim 5, characterized in that: The contact terminal is integrally formed, including a pressure rod, an upper contact terminal, a lower contact terminal and a connecting rod. The pressure rod, the upper contact terminal and the lower contact terminal are arranged in sequence from top to bottom on one side of the connecting rod. The pressure rod is inserted into the limiting upper pressure rod blind hole, and a limiting protrusion that cooperates with the rotating upper cover is arranged on the pressure rod; an upper contact terminal contact and an upper contact terminal clamping point are arranged on the upper contact terminal; a limiting area and a lower contact terminal clamping point are arranged on the lower contact terminal, and a terminal welding surface is formed at the bottom of the other side of the connecting rod.

7. The sunken plate type FPC connector with solder foot reinforcement function according to claim 5, characterized in that: The upper contact terminal is placed in the upper contact terminal positioning opening and contacts the stop wire boss; the lower contact terminal is placed in the lower contact terminal positioning opening; the upper contact terminal is an elastic terminal.

8. The sunken plate type FPC connector with solder foot reinforcement function according to claim 7, characterized in that: The rotating upper cover is provided with a rotating shaft that rotates with the plastic body. A limiting shaft is provided on one side of the rotating shaft. The rotating shaft cooperates with the limiting protrusion, and the limiting protrusion limits the rotating shaft. Engaging protrusions that cooperate with the plastic body are also provided at both ends of the rotating shaft.

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