Terminal and PCB terminal connector with a 90° side bend

Abstract

The present invention discloses a PCB terminal connector with a 90° bending, which includes a housing and a terminal. The terminal includes straight pins, straight-bent pins, and side-bent pins. The straight-bent pins are connected to the straight pins, and the side-bent pins are connected to the straight-bent pins. The straight pins are distributed along the X direction, the straight-bent pins are distributed along the Z direction, and the side-bent pins are distributed along the Y direction. The beneficial effects of the present invention are as follows: The terminal connector of the present invention adopts a slider structure combination structure, which can not only meet the PCB terminal connector with a 90° bending of the straight pins, but also realize a 90° bending needle structure for the side bending. It can save the die structures of various products, make full use of the internal space of various housings, greatly improve the assembly efficiency, have better rationality and coordination in the overall layout of the PCB circuit, better meet the requirements of electrical safety regulations, and can be applied to 2P and 3P modes, and its pin pitch can be applicable to 2.54mm, 3.81mm, 5.0mm, 5.08mm, 6.35mm, 7.62mm.

Description

Technical Field

[0001] The present invention relates to a connector, in particular to a terminal and a PCB terminal connector with a 90° side bend. Background Art

[0002] For a traditional PCB terminal connector with a 90° side bend of the wiring, its terminal has only straight pins and straight bends. When side bend connection is required, two connectors need to be plugged and mated to complete the side bend part of the terminal. However, at this time, the internal space of the connector housing is not reasonably utilized, the structure is relatively bulky, the wire arrangement is complex, and it is difficult to meet the electrical safety regulations. Summary of the Invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a terminal and a PCB terminal connector with a 90° side bend.

[0004] The purpose of the present invention is achieved through the following technical solutions: A terminal includes a straight pin, a straight bent pin, and a side bent pin. The straight bent pin is connected to the straight pin, and the side bent pin is connected to the straight bent pin. The straight pin is distributed along the X direction, the straight bent pin is distributed along the Z direction, and the side bent pin is distributed along the Y direction.

[0005] Optionally, the straight bent pin includes a bending part a, a bending part b, and a bending part c. The bending part a is perpendicularly connected to the straight pin, the bending part b is perpendicularly connected to the bending part a, and the bending part b is away from the corresponding side bent pin. The bending part c is perpendicularly connected to the bending part b, and the bending part c is away from the straight pin.

[0006] Optionally, there are multiple groups of straight pins, and they are arranged side by side at intervals.

[0007] Optionally, there are three groups of straight pins. The side bent pins connected to the three groups of straight pins are respectively side bent pin a, side bent pin b, and side bent pin c. The side bent pin a, side bent pin b, and side bent pin c are distributed at intervals up and down, and the tips of the side bent pin a, side bent pin b, and side bent pin c are flush.

[0008] Optionally, there are two groups of straight pins, and they are arranged side by side at intervals. The side bent pins connected to the two groups of straight pins are respectively side bent pin a and side bent pin b. The side bent pin a and side bent pin b are distributed at intervals up and down, and the tips of the side bent pin a and side bent pin b are flush.

[0009] Optionally, the distance between adjacent side bent pins is one of 2.54 mm, 3.81 mm, 5.0 mm, 5.08 mm, 6.35 mm, or 7.62 mm.

[0010] A PCB terminal connector with a 90° side bend includes a housing and the above terminal. The terminal is installed in the housing, and the tips of the straight bent pin and the side bent pin both penetrate through the housing.

[0011] Optionally, the housing includes housing a and housing b, housing a and housing b are connected, the straight pin and the straight bent pin are located inside housing a, and the side bent pin is located inside housing b.

[0012] Optionally, the inside of housing a is hollow, a locking hole is provided at the top of housing a, a needle pressing member is installed in the locking hole, the needle pressing member presses on the straight pin, a needle groove is provided at the bottom of housing a, a groove body for placing housing b is provided on housing a, a positioning hole is provided on the groove body, a positioning convex block is provided on the bending part a, and the positioning convex block is stuck in the corresponding positioning hole. A positioning groove is also provided on the groove body, an elastic convex block that is stuck in the positioning groove is provided on housing b, a convex part is also provided on the groove body, a dovetail groove is provided on housing b, and the convex part is fitted in the dovetail groove. A clamping groove is provided on housing b, and the needle part of the side bent pin is stuck in the clamping groove.

[0013] Optionally, a needle sleeve is sleeved on the straight pin, the needle sleeve is located inside housing a, and a wire pressing hole is provided at the top of the needle sleeve. The needle pressing member passes through the wire pressing hole and presses on the straight pin. A straight bending hook is provided at the end of the straight pin, and a square hole through which the straight bending hook passes is provided on the needle sleeve.

[0014] The present invention has the following advantages: The PCB terminal connector with a 90° side bend of the present invention has a straight pin, a straight bend, and a side bend pin, and adopts a slider structure combination structure. It can not only meet the PCB terminal connector with a 90° side bend of the straight pin, but also realize a 90° side bend needle structure. It can save the mold structures of various products, make full use of the internal space of various shells, greatly improve the assembly efficiency, the rationality and coordination of the overall layout of the PCB circuit are better, it more conforms to the electrical safety regulations requirements, the rationality and coordination of the overall layout are better, and it can be applied to 2P and 3P modes, and its pin pitch can be applicable to 2.54mm, 3.81mm, 5.0mm, 5.08mm, 6.35mm, 7.62mm. Description of the Drawings

[0015] Figure 1 is the structural schematic diagram of the present invention

[0016] Figure 2 is the exploded schematic diagram of the present invention

[0017] Figure 3 is the structural schematic diagram of the wiring terminal

[0018] Figure 4 is the structural schematic of housing a Figure 1

[0019] Figure 5 is the structural schematic of housing a Figure 2

[0020] Figure 6 is the structural schematic diagram of housing b

[0021] In the figure, 1 is the housing, 2 is the terminal, 11 is the housing a, 12 is the housing b, 13 is the needle sleeve, 14 is the needle pressing member, 111 is the locking hole, 112 is the groove body, 113 is the convex part, 114 is the jack, 115 is the needle groove, 116 is the positioning groove, 117 is the positioning hole, 121 is the clamping groove a, 122 is the clamping groove b, 123 is the clamping groove c, 124 is the dovetail groove, 125 is the elastic convex block, 131 is the wire pressing hole, 132 is the square hole, 21 is the straight needle, 22 is the straight-bent needle, 23 is the side-bent needle, 24 is the straight-wire hook, 25 is the positioning convex block, 221 is the bending part a, 222 is the bending part b, 223 is the bending part c, 231 is the side-bent needle a, 232 is the side-bent needle b, 233 is the side-bent needle c. Specific embodiments

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. The components of the embodiments of the present invention described and illustrated herein can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0024] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0025] It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0026] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the inventive product is customarily placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for distinguishing descriptions and should not be construed as indicating or implying relative importance.

[0027] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] As Figure 1 、 Figure 2 and Figure 3 shown, the PCB terminal connector with a 90° side bend includes a housing 1 and the above-mentioned terminal 2. The terminal 2 is installed in the housing 1, and the needle tips of the straight bend pin 22 and the side bend pin 23 both penetrate through the housing 1. In this embodiment, the terminal 2 includes a straight pin 21, a straight bend pin 22, and a side bend pin 23. The straight bend pin 22 is connected to the straight pin 21, the side bend pin 23 is connected to the straight bend pin 22, and the straight pin 21 is distributed along the X direction, the straight bend pin 22 is distributed along the Z direction, and the side bend pin 23 is distributed along the Y direction. Therefore, there is a 90° angle between the side bend pin 23 and the straight pin 21 and the straight bend pin 22, thus forming a PCB terminal connector with a 90° side bend. Therefore, the structure of the PCB terminal connector with a 90° side bend can be more optimized, the internal space of the housing can be fully utilized, its wire routing is more reasonable, and it complies with electrical safety regulations.

[0029] In this embodiment, as Figure 3 shown, the straight bend pin 22 includes a bending portion a221, a bending portion b222, and a bending portion c223. The bending portion a221 is perpendicularly connected to the straight pin 21, the bending portion b222 is perpendicularly connected to the bending portion a221, and the bending portion b222 is away from the corresponding side bend pin 23. The bending portion c223 is perpendicularly connected to the bending portion b222, and the bending portion c223 is away from the straight pin 21.

[0030] In this embodiment, as Figure 2and Figure 3 As shown, there are multiple groups of straight needles 21, which are arranged side by side at intervals. In this embodiment, there are three groups of straight needles 21. The bending needles 23 connected to the three groups of straight needles 21 are bending needle a231, bending needle b232, and bending needle c233 respectively. And bending needle a231, bending needle b232, and bending needle c233 are distributed at intervals up and down, and the needle tips of bending needle a231, bending needle b232, and bending needle c233 are flush. The distance between adjacent bending needles 23 is one of 2.54 mm, 3.81 mm, 5.0 mm, 5.08 mm, 6.35 mm, or 7.62 mm.

[0031] In another embodiment, there are two groups of straight needles 21, which are arranged side by side at intervals. The bending needles 23 connected to the two groups of straight needles 21 are bending needle a231 and bending needle b232 respectively. And bending needle a231 and bending needle b232 are distributed at intervals up and down, and the needle tips of bending needle a231 and bending needle b232 are flush.

[0032] In this embodiment, as Figure 4 and Figure 5 shown, the housing 1 includes housing a11 and housing b12. Housing a11 and housing b12 are connected. The straight needle 21 and the straight-bending needle 22 are located inside housing a11, and the bending needle 23 is located inside housing b12. Further, both housing a11 and housing b12 are plastic inserts. The inside of housing a11 is hollow. A locking hole 111 is opened at the top of housing a11. A needle pressing member 14 is installed in the locking hole 111. The needle pressing member 14 presses the straight needle 21. Further, a needle sleeve 13 is sleeved on the straight needle 21. The needle sleeve 13 is located inside housing a11, and a wire pressing hole 131 is opened at the top of the needle sleeve 13. The needle pressing member 14 passes through the wire pressing hole 131 and presses on the straight needle 21. A straight bending hook 24 is provided at the end of the straight needle 21. A square hole 132 through which the straight bending hook 24 passes is opened on the needle sleeve 13. In addition, a jack 114 corresponding to the square hole 132 is also opened on the outer side wall of housing a. When the PCB terminal connector bent at 90° is in use, the needle pressing member 14 is locked. The pressing member is provided with an external thread, and an internal thread is opened in the locking hole 111. The pressing member is locked in the locking hole 111 through thread cooperation. After the needle pressing member 14 is locked, the position of the PCB terminal connector bent at 90° is fixed.

[0033] In this embodiment, as Figure 4 and Figure 5As shown in the figure, a needle slot 115 is provided at the bottom of the housing a11, and the needle portion of the straight-bending needle 22 passes through the needle slot 115. A slot 112 for placing the housing b12 is provided on the housing a11. A positioning hole 117 is provided on the slot 112. A positioning bump 25 is provided on the bending portion a221, and the positioning bump 25 is stuck in the corresponding positioning hole 117. Through the cooperation of the positioning bump 25 and the positioning hole 117, the position of the straight-bending needle 22 in the housing a11 is relatively fixed. A positioning slot 116 is also provided on the slot 112, and an elastic bump 125 stuck in the positioning slot 116 is provided on the housing b12. A convex portion 113 is also provided on the slot 112, and a dovetail groove 124 is provided on the housing b12. The convex portion 113 is fitted in the dovetail groove 124. Through the cooperation of the dovetail groove 124 and the convex portion 113, the housing a11 and the housing b12 cannot be directly separated and need to be separated by sliding. Moreover, with the elastic bump 125 provided, the housing b12 can only move downward relative to the housing a11. During installation, the housing b12 slides downward relative to the housing a11. When the elastic bump 125 is stuck in the positioning slot 116, a card slot is provided on the housing b12, and the needle portion of the side-bending needle 23 is stuck in the card slot. In this embodiment, the card slot includes a card slot a121, a card slot b122, and a card slot c123. Among them, the side-bending needle a231 is stuck in the card slot a121, the side-bending needle b232 is stuck in the card slot b122, and the side-bending needle c233 is stuck in the card slot c123. During manufacturing, the wiring terminal 2 is first manufactured, and then the plastic housings a11 and b12 are inlaid on the wiring terminal 2 through a mold, and then the housings a11 and b12 are snap-fitted. Adopting the slider structure combination structure can not only meet the PCB terminal connector with a straight needle bent 90°, but also realize the side-bending 90-degree bent needle structure, can save the mold structures of various products, make full use of the internal space of various shells, greatly improve the assembly efficiency, and make the rationality and coordination of the overall layout of the PCB circuit better, and more in line with the electrical safety regulations requirements.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A PCB terminal connector with a 90° bending, characterized in that: It includes a housing and a terminal. The terminal includes straight pins, straight-bent pins and side-bent pins. The straight-bent pins are connected to the straight pins, and the side-bent pins are connected to the straight-bent pins. The straight pins are distributed along the X direction, the straight-bent pins are distributed along the Z direction, and the side-bent pins are distributed along the Y direction. The terminal is installed in the housing, and the needle tips of the straight-bent pins and the side-bent pins both penetrate the housing. The straight-bent pin includes a bending part a, a bending part b and a bending part c. The bending part a is vertically connected to the straight pin, the bending part b is vertically connected to the bending part a, and the bending part b is far from the corresponding side-bent pin. The bending part c is vertically connected to the bending part b, and the bending part c is far from the straight pin. The housing includes a housing a and a housing b. Both the housing a and the housing b are plastic inserts. The housing a and the housing b are connected. The straight pins and the straight-bent pins are located in the housing a, and the side-bent pins are located in the housing b. The inside of the housing a is hollow. A locking hole is provided at the top of the housing a. A pressing needle part is installed in the locking hole, and the pressing needle part presses the straight pin. A needle groove is provided at the bottom of the housing a. A groove body for placing the housing b is provided on the housing a. A positioning hole is provided on the groove body. A positioning convex block is provided on the bending part a, and the positioning convex block is stuck in the corresponding positioning hole. A positioning groove is also provided on the groove body. An elastic convex block that is stuck in the positioning groove is provided on the housing b. A convex part is also provided on the groove body. A dovetail groove is provided on the housing b, and the convex part is fitted in the dovetail groove. A clamping groove is provided on the housing b, and the needle part of the side-bent pin is stuck in the clamping groove. A needle sleeve is sleeved on the straight pin. The needle sleeve is located in the housing a, and a wire pressing hole is provided at the top of the needle sleeve. The pressing needle part passes through the wire pressing hole and presses on the straight pin. A straight hook is provided at the end of the straight pin, and a square hole through which the straight hook passes is provided on the needle sleeve.

2. The PCB terminal connector with a 90° bending as claimed in claim 1, wherein: The straight pins are multiple groups and are arranged side by side at intervals.

3. The PCB terminal connector with a 90° bending as claimed in claim 2, characterized in that: There are three groups of straight pins. The side-bent pins connected to the three groups of straight pins are side-bent pin a, side-bent pin b and side-bent pin c respectively. The side-bent pin a, side-bent pin b and side-bent pin c are distributed at intervals up and down, and the needle tips of the side-bent pin a, side-bent pin b and side-bent pin c are flush.

4. The PCB terminal connector with a 90° bending as claimed in claim 2, wherein: There are two groups of straight pins and they are arranged side by side at intervals. The side-bent pins connected to the two groups of straight pins are side-bent pin a and side-bent pin b respectively. The side-bent pin a and side-bent pin b are distributed at intervals up and down, and the needle tips of the side-bent pin a and side-bent pin b are flush.

5. The PCB terminal connector with a 90° bending as claimed in claim 3, characterized in that: The distance between adjacent side-bent pins is one of 2.54mm, 3.81mm, 5.0mm, 5.08mm, 6.35mm or 7.62mm.

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