Instrument external structure

Abstract

The application relates to the technical field of electronic equipment, in particular to an instrument external connection structure. The instrument external connection structure comprises a meter casing, a control panel, a female connector and a male connector. The female connector comprises a first waterproof protection component, a female seat and a first solder pad electrically connected, the first solder pad is electrically connected with the control panel, and the first waterproof protection component is wrapped outside the female seat. The first waterproof protection component is inserted into an insertion through hole of the meter casing. The male connector comprises a male seat and a second waterproof protection component, the second waterproof protection component is wrapped outside the male seat, the second waterproof protection component is pluggably connected with the first waterproof protection component, and the male seat is pluggably connected with the female seat. The instrument external connection structure simultaneously seals the female seat and the gap between the female seat and the insertion through hole through the first waterproof protection component, and improves the insertion stability and waterproof sealing performance of the female seat and the male seat through the pluggable connection of the first waterproof protection component and the second waterproof protection component.

Description

Technical Field

[0001] This application relates to the field of electronic equipment technology, and in particular to an instrument external structure. Background Technology

[0002] Connectors are increasingly needed in various fields, such as in the control systems of automobiles, especially electric vehicles, to enable electrical signal exchange between instruments.

[0003] Currently, in order to avoid secondary design of the waterproof structure of the connector, both the male and female ends of the connector are usually set to be exposed relative to the instrument, which causes the system wiring to be complicated and unsightly. In addition, the female end of the connector also needs to be sealed with the instrument, so the secondary design of the waterproof structure cannot be completely omitted. Summary of the Invention

[0004] The purpose of this application is to provide an external instrument structure to solve, to some extent, the technical problems of complex and unsightly wiring between the male and female connector terminals and the difficulty in setting up a waterproof structure in the prior art.

[0005] This application provides an external structure for an instrument, including an instrument housing, a control board, a female connector terminal, and a male connector terminal;

[0006] The instrument housing has an internal mounting cavity, and both the female connector and the control board are located within the mounting cavity.

[0007] The female connector includes a first waterproof protective component, an electrically connected female socket, and a first solder pad. The first solder pad is electrically connected to the control board, and the first waterproof protective component covers the outside of the female socket.

[0008] The instrument housing has a plug-in through hole, and the first waterproof protective component is inserted into the plug-in through hole so that the female connector corresponds to the plug-in through hole and forms a sealed connection with the instrument housing through the first waterproof protective component;

[0009] The male end of the connector includes a male socket and a second waterproof protective component. The second waterproof protective component covers the outside of the male socket and is pluggably connected to the first waterproof protective component. The male socket is pluggably connected to the female socket.

[0010] In the above technical solution, the first waterproof protective component is an outer adhesive that is integrally injection molded with the female seat;

[0011] The second waterproof protective component is an outer coating integrally injection molded with the male seat;

[0012] The male connector is a TYPE-C type connector male connector, and the female connectors are all TYPE-C type connector female connectors.

[0013] In any of the above technical solutions, the materials of the first waterproof protective component and the second waterproof protective component are TPU or TPEE, respectively.

[0014] In any of the above technical solutions, the first waterproof protective component further includes a first body portion and an extension portion covering the outside of the female base, the extension portion being connected to the side of the first body portion away from the first pad, and the end of the extension portion away from the first body portion extending beyond the female base.

[0015] The male connector also includes a second solder pad electrically connected to the male socket. The second waterproof protection component includes a second body portion covering the outside of the male socket and an interlocking portion. The interlocking portion is connected to the end of the second body portion opposite to the second solder pad, and the thickness of the interlocking portion is less than the thickness of the second body portion.

[0016] When the male end of the connector is inserted into the female end of the connector, the interlocking part is clamped between the male socket and the extension part and / or between the male socket and the first body part.

[0017] In any of the above technical solutions, the inner peripheral sidewall of the extension portion is provided with an annular interlocking groove, and the outer peripheral sidewall of the interlocking portion is provided with an annular interlocking protrusion.

[0018] When the male end of the connector is inserted into the female end of the connector, the annular interlocking protrusion engages with the annular interlocking groove.

[0019] In any of the above technical solutions, the outer peripheral sidewall of the extension portion is provided with a groove, and the groove is located on the side of the annular interlocking groove opposite to the first body portion.

[0020] The outer peripheral sidewall of the first body is provided with a rib-shaped positioning part, and the insertion through hole is provided with a positioning slot, and the rib-shaped positioning part is engaged in the positioning slot.

[0021] In any of the above technical solutions, the external structure of the instrument further includes a flexible circuit board, which includes a first connection end and a second connection end. The first connection end is electrically connected to the first pad, and the second connection end is electrically connected to the control board.

[0022] In any of the above technical solutions, the flexible circuit board further includes a first conductor group, a second conductor group, and a bending portion;

[0023] The first wire group and the second wire group are arranged side by side at the second connection end, and the first wire group and the second wire group are connected at the first connection end through the bending part;

[0024] The signal points of the first conductor group are electrically connected to the signal points on the front side of the first pad in a one-to-one correspondence. The signal points of the second conductor group are folded relative to the first conductor group to the back side of the first pad through the bending portion, and the signal points of the second conductor group are electrically connected to the signal points on the back side of the first pad in a one-to-one correspondence.

[0025] In any of the above technical solutions, the flexible circuit board further includes a first reinforcing part, a second reinforcing part, and a third reinforcing part. The first reinforcing part is disposed at the first conductor group corresponding to the first connection end, the second reinforcing part is disposed at the second conductor group corresponding to the first connection end, and the third reinforcing part is disposed at the first conductor group and the second conductor group corresponding to the second connection end.

[0026] In any of the above technical solutions, the number of signal points in the first conductor group and the number of signal points in the second conductor group are 1-5 respectively, and correspondingly, the number of signal points on the front side of the first pad and the number of signal points on the back side of the first pad are 1-5 respectively.

[0027] Compared with the prior art, the beneficial effects of this application are as follows:

[0028] The external instrument structure provided in this application includes an instrument housing, a control board, a female connector terminal, and a male connector terminal.

[0029] First, the female connector is integrated inside the instrument housing, and the first pad of the female connector is electrically connected to the control board inside the instrument housing, making the wiring of the external structure of the instrument simpler and safer.

[0030] Second, by configuring the first waterproof protective component covering the outside of the female connector to be inserted into the insertion through hole, the male end of the connector can be plugged and unplugged into the female end of the connector through the insertion through hole. Moreover, the first waterproof protective component not only achieves waterproof sealing for the female connector, but also achieves waterproof sealing for the insertion through hole.

[0031] Third, the male and female connectors switch the signal on / off state through a pluggable connection between the male and female sockets. At the same time, the pluggable connection between the first and second waterproof protective components not only achieves waterproof sealing at the connection between the male and female sockets, but also provides a reliable interlocking connection. This significantly reduces the risk of accidental disconnection of the male and female connectors after insertion, thus improving the insertion reliability of the instrument's external structure. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0033] Figure 1 This is a first structural schematic diagram of the instrument external structure provided in the embodiments of this application;

[0034] Figure 2 This is a second structural schematic diagram of the instrument external structure provided in the embodiments of this application;

[0035] Figure 3 for Figure 2 Sectional view at section AA;

[0036] Figure 4 This is a schematic diagram of the connector female end of the instrument external structure provided in the embodiments of this application;

[0037] Figure 5 This is a schematic diagram of the male connector of the instrument external structure provided in the embodiments of this application.

[0038] Figure label:

[0039] 1-External structure of the instrument; 10-Mother connector terminal; 100-First solder pad; 101-First waterproof protection component; 1010-First body part; 1011-Extension part; 102-Groove part; 103-Rib-shaped positioning part; 104-Annular interlocking groove; 105-Mother socket; 11-Male connector terminal; 110-Second waterproof protection component; 1100-Second body part; 1101-Interlocking part; 111-Annular interlocking protrusion; 12-Instrument housing; 120-Positioning slot; 13-Control board; 14-Flexible circuit board. Detailed Implementation

[0040] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0042] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0043] See Figures 1 to 5 As shown, an embodiment of this application provides an external instrument structure 1 for use on instruments, so that the instruments can be electrically connected to other components through the external instrument structure 1. For example, it can be applied to control systems, especially control systems for electric vehicles.

[0044] The instrument external structure 1 provided in this application embodiment includes an instrument housing 12, a control board 13, a female connector terminal 10, and a male connector terminal 11.

[0045] The above-mentioned components of the instrument's external structure 1 will be described in detail below.

[0046] In an optional embodiment, the instrument housing 12 is the outer shell of the instrument. An installation cavity is formed inside the instrument housing 12. The connector female end 10 and the control board 13 are both disposed in the installation cavity, so that the instrument housing 12 can accommodate, install and protect the connector female end 10 and the control board 13.

[0047] Hiding the connector female end 10 can prevent the connector female end 10 and the connecting wire from being exposed, thus making the appearance of the instrument neat.

[0048] Understandably, instruments and meters usually also include other components used to realize the basic functions of the instrument and meter itself, such as displays, sensors, and wires.

[0049] The female connector 10 includes a first waterproof protective component 101, an electrically connected female socket 105, and a first solder pad 100. The male connector 11 includes a second waterproof protective component 110, an electrically connected male socket (not shown in the figure), and a second solder pad (not shown in the figure). The female socket 105 of the female connector 10 is adapted to the male socket of the male connector 11, thereby connecting or disconnecting the female connector 10 and the male connector 11 by inserting or removing the female socket 105 and the male socket.

[0050] The male connector 11 is used to electrically connect to other electronic devices, thereby enabling the instrument to form an electrical connection with other electronic devices through the electrical connection between the female connector 10 and the male connector 11.

[0051] The female connector 105 is electrically connected to the first pad 100, and the first pad 100 is electrically connected to the control board 13. The control board 13 is a circuit board or module of the instrument where the female connector 10 is located, which plays an electrical control role. The female connector 105 and the control board 13 are electrically connected through the first pad 100. When the male connector 11 is inserted into the female connector 105 of the female connector 10, the second pad of the male connector 11 is electrically connected to the control board 13 in sequence through the male connector, the female connector 105, and the first pad 100.

[0052] The first waterproof protective component 101 covers the outside of the female connector 105, thereby preventing the female connector 105 from being exposed. The first waterproof protective component 101 provides primary waterproof protection for the female connector 105. Specifically, the first waterproof protective component 101 fully covers the female connector 105 along its circumference, and the portion of the first pad 100 that connects to the female connector 105 is also waterproofed by the first waterproof protective component 101. However, it is necessary to ensure that the portion of the first pad 100 used to form an electrical connection with the control board 13 is exposed relative to the first waterproof protective component 101.

[0053] The instrument housing 12 has a plug-in through hole, and the first waterproof protective member 101 is inserted into the plug-in through hole so that the female seat 105 corresponds to the plug-in through hole and forms a sealed connection with the instrument housing 12 through the first waterproof protective member 101. Specifically, the first waterproof protective member 101 is generally cylindrical, the inner peripheral sidewall of the first waterproof protective member 101 fits against the outer peripheral sidewall of the female seat 105, and the outer peripheral sidewall of the first waterproof protective member 101 fits against the hole wall of the plug-in through hole so as to seal the plug-in through hole through the female end of the connector 10.

[0054] On the one hand, the female connector 105 corresponds to the insertion hole, allowing the male connector 11 to be inserted and removed from the female connector 10 through the insertion hole; on the other hand, the gap between the female connector 105 and the insertion hole is sealed by the first waterproof protection component 101, preventing external rainwater from entering the instrument housing 12, thereby achieving secondary waterproof protection for the female connector 10.

[0055] The male connector 11 includes a male socket and a second waterproof protective member 110. The second waterproof protective member 110 covers the outside of the male socket and is pluggably connected to the first waterproof protective member 101. The male socket is pluggably connected to the female socket 105, so that the male socket can be plugged and unplugged relative to the female socket 105 while the second waterproof protective member 110 is plugged and unplugged relative to the first waterproof protective member 101.

[0056] Therefore, through the insertion and extraction relationship between the first waterproof protection member 101 and the second waterproof protection member 110, three-level sealing and waterproof protection can be achieved at the connection between the male and female seats 105. In addition, the insertion and extraction force is borne by the first waterproof protection member 101 and the second waterproof protection member 110, which reduces the insertion and extraction force borne by the male and female seats 105 during the insertion and extraction process, thereby improving the durability of the male and female seats 105.

[0057] In this design, the male connector 11 is a Type-C connector, and the female connector 10 is also a Type-C connector. This means that both the male and female connectors 105 use Type-C interfaces. Currently, no instruments use Type-C connectors for communication connections, making the wiring of the external instrument structure 1 and the instruments using it cleaner and lighter, thus facilitating the early mass production of the external instrument structure 1.

[0058] In this embodiment, the first waterproof protective component 101 is an outer adhesive integrally injection molded with the female seat 105, and the second waterproof protective component 110 is an outer adhesive integrally injection molded with the male seat. Compared to the existing method of separately processing the adhesive sleeve and then fitting it onto the outside of the female seat 105, the method of integrally injection molding the outer adhesive with the female seat 105 and with the male seat significantly improves the bonding strength between the outer adhesive and the female seat 105, and significantly improves the bonding strength between the outer adhesive and the male seat.

[0059] On the one hand, it can significantly improve the allowable insertion and extraction force between the male end 11 and the female end 10 of the connector, and significantly improve the waterproof effect. On the other hand, it can eliminate the installation gap between the first waterproof protection member 101 and the female seat 105, and the installation gap between the second waterproof protection member 110 and the male seat, so as to avoid water seepage through the gap between the first waterproof protection member 101 and the female seat 105, and the gap between the second waterproof protection member 110 and the male seat.

[0060] In this embodiment, considering the strength of the insertion and removal structure and electrical performance, to ensure that the structural strength of the first waterproof protective component 101 and the second waterproof protective component 110 can meet the requirements for reliable insertion and removal of the connector female end 10 and the connector male end 11 multiple times, the insulation performance of the first waterproof protective component 101 meets the requirement that the external structure 1 of the instrument will not leak current. Therefore, to ensure that the insulation performance of the first waterproof protective component 101 meets the requirement that the external structure 1 of the instrument will not leak current, the material of the first waterproof protective component 101 is set to TPU (thermoplastic polyurethane elastomer) or TPEE (thermoplastic polyester elastomer). Similarly, to ensure that the insulation performance of the second waterproof protective component 110 meets the requirement that the external structure 1 of the instrument will not leak current, the material of the second waterproof protective component 110 is set to TPU or TPEE. TPU or TPEE has good elasticity, wear resistance, and waterproofness, making the structure of the first waterproof protective component 101 and the second waterproof protective component 110 stronger, the insertion tighter, and the waterproof performance better.

[0061] In this embodiment, the first waterproof protective component 101 includes a first body portion 1010 and an extension portion 1011.

[0062] The first waterproof protective component 101 includes a first body portion 1010 covering the outside of the female base 105 and an extension portion 1011. The extension portion 1011 is connected to the side of the first body portion 1010 away from the first solder pad 100. The end of the extension portion 1011 away from the first body portion 1010 extends beyond the female base 105. That is, the end of the extension portion 1011 away from the first body portion 1010 extends beyond the female base 105.

[0063] The male connector 11 also includes a second solder pad that is electrically connected to the male socket, and the second waterproof protection member 110 includes a second body portion 1100 and an interlock portion 1101 that cover the outside of the male socket.

[0064] The interlocking part 1101 is connected to the end of the second body part 1100 that is away from the second pad. The thickness of the interlocking part 1101 is less than the thickness of the second body part 1100. That is, the circumferential outer surface of the interlocking part 1101 is recessed relative to the circumferential outer surface of the second body part 1100.

[0065] When the male terminal 11 of the connector is inserted into the female terminal 10 of the connector, the interlocking part 1101 is clamped between the male socket and the extension part 1011 and between the male socket and the first body part 1010. That is, the interlocking part 1101 extends into the interior of the extension part 1011 and the first body part 1010, and the male socket is inserted into the female socket 105. Thus, through the cooperation between the interlocking part 1101 and the extension part 1011, and between the interlocking part 1101 and the first body part 1010, the insertion reliability between the male socket and the female socket 105 is improved, and the male socket is prevented from being accidentally pulled out relative to the female socket 105 due to vibration or pulling.

[0066] In this embodiment, in order to achieve interlocking positioning between the interlocking part 1101 and the first waterproof protection member 101, the inner peripheral sidewall of the extension part 1011 is provided with an annular interlocking groove 104, and the outer peripheral sidewall of the interlocking part 1101 is provided with an annular interlocking protrusion 111; when the male end 11 of the connector is inserted into the female end 10 of the connector, the annular interlocking protrusion 111 is engaged in the annular interlocking groove 104.

[0067] Specifically, the annular interlocking groove 104 is disposed at the connection between the extension portion 1011 and the first body portion 1010, and the annular interlocking protrusion 111 is disposed at the end of the interlocking portion 1101 opposite to the second body portion 1100. This ensures that the interlocking position formed by the annular interlocking protrusion 111 and the annular interlocking groove 104 is close to the insertion position of the male and female connectors 105. This improves the interlocking force between the interlocking portion 1101 and the extension portion 1011 through the engagement between the annular interlocking protrusion 111 and the annular interlocking groove 104, ensuring that they can only be inserted or removed relative to each other when the engineer applies sufficient external force. This effectively prevents accidental disengagement during insertion. Furthermore, the engagement between the annular interlocking protrusion 111 and the annular interlocking groove 104 also improves the sealing and waterproofing level at the connection between the first waterproof protective member 101 and the second waterproof protective member 110.

[0068] In this embodiment, in order to appropriately reduce the passage resistance of the interlocking part 1101 with the annular interlocking protrusion 111 inside the extension part 1011, a groove 102 is provided on the outer peripheral sidewall of the extension part 1011. The groove 102 is located on the side of the annular interlocking groove 104 away from the first body part 1010. By providing the groove 102, the structural strength of the extension part 1011 is adjusted, so that when the interlocking part 1101 passes through the extension part 1011, the extension part 1011 can undergo slight adaptive deformation under the action of the groove 102, so as to reduce the passage resistance of the interlocking part 1101 in the extension part 1011. This reduces the difficulty of the docking operation before and after interlocking the first waterproof protective component 101 and the second waterproof protective component 110.

[0069] In this embodiment, a rib-shaped positioning part 103 is provided on the outer peripheral sidewall of the first body part 1010, and a positioning slot 120 is provided in the insertion through hole. The rib-shaped positioning part 103 is engaged in the positioning slot 120. The direction of the rib-shaped positioning part 103 forms an angle with the insertion and removal direction. Furthermore, the direction of the rib-shaped positioning part 103 can be perpendicular to the insertion and removal direction.

[0070] The cooperation between the rib-shaped positioning part 103 and the positioning slot 120 enables bidirectional positioning of the male connector 11 relative to the instrument housing 12 in both the forward and reverse directions. This ensures that the female connector 10 is fixed relative to the instrument housing 12, whether the male connector 11 is inserted or removed from the female connector 10. This prevents the female connector 10 from shifting or accidentally coming out of the instrument housing 12 after multiple insertions and removals.

[0071] In an optional embodiment, the external instrument structure 1 further includes a flexible circuit board 14, which includes a first connection end and a second connection end. Specifically, the two ends along the length of the wires of the flexible circuit board 14 are the first connection end and the second connection end, respectively.

[0072] The first connection end is electrically connected to the first pad 100, and the second connection end is electrically connected to the control board 13, so that the first pad 100 of the connector female end 10 is electrically connected to the control board 13 through the flexible circuit board 14.

[0073] Because the flexible circuit board 14 is highly flexible, structurally flexible, lightweight, and occupies little space, the second connection end can extend to any position on the instrument housing 12 in three-dimensional space relative to the first connection end. Even if the relative positional relationship between the control board 13 and the connector female end 10 is very complex, they can still be reliably electrically connected. This allows the external instrument structure 1 to be applied to more types of instruments and meters, broadening the application range of the external instrument structure 1, especially the Type-C connector, and significantly reducing the size and weight of the instruments and meters.

[0074] In this embodiment, the flexible circuit board 14 includes a first conductor group, a second conductor group, and a bending portion.

[0075] The first conductor group and the second conductor group are arranged side by side at the second connection end. The first conductor group and the second conductor group are connected by a bending part at the first connection end. The bending part can be flexibly folded.

[0076] The signal points of the first conductor group are electrically connected to the signal points on the front side of the first pad 100 in a one-to-one correspondence. The signal points of the second conductor group are folded relative to the first conductor group to the back side of the first pad 100 through the bending part, and the signal points of the second conductor group are electrically connected to the signal points on the back side of the first pad 100 in a one-to-one correspondence.

[0077] Optionally, electrical connections between signal points can be achieved using a welding process.

[0078] Optionally, the number of signal points in the first conductor group and the second conductor group are 1 to 5, respectively. Correspondingly, the number of signal points on the front side of the first pad 100 and the number of signal points on the back side of the first pad 100 are 1 to 5. In other words, the number of signal points in the first conductor group is 1, 2, 3, 4, or 5, and correspondingly, the number of signal points on the front side of the first pad 100 is 1, 2, 3, 4, or 5; the number of signal points in the second conductor group is 1, 2, 3, 4, or 5, and correspondingly, the number of signal points on the back side of the first pad 100 is 1, 2, 3, 4, or 5.

[0079] Since the number of signal points in the third conductor group is equal to the sum of the number of signal points in the first conductor group and the number of signal points in the second conductor group, the number of signal points in the third conductor group can be 2, 4, 6, 8 or 10. Accordingly, the number of signal points on the control board 13 used for electrical connection with the third conductor group can be 2, 4, 6, 8 or 10.

[0080] The current Type-C interface connector can support a maximum of 10 signal points. The sum of the number of signal points on the front and back of the first pad 100 is a maximum of 10. When the total number of signal points on the first pad 100 is 10, the number of signal points on the front of the first pad 100 can be set to 5, and the number of signal points on the back of the first pad 100 can be set to 5.

[0081] In this embodiment, in order to improve the structural strength of the electrical connection position between the flexible circuit board 14 and the connector female end 10 and improve the reliability of the external structure 1 of the instrument, the flexible circuit board 14 further includes a first reinforcing part and a second reinforcing part. The first reinforcing part is disposed at the first connection end of the first wire group, and the second reinforcing part is disposed at the first connection end of the second wire group.

[0082] Similarly, in order to improve the structural strength of the electrical connection between the flexible circuit board 14 and the control board 13, the flexible circuit board 14 also includes a third reinforcing part, which is disposed at the second connection end corresponding to the first conductor group and the second conductor group.

[0083] Optionally, the first, second, and third reinforcing portions can all be reinforced by mounting structural sheets on the back of the signal points of the flexible circuit board 14.

[0084] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention. In addition, those skilled in the art can understand that although some embodiments described herein include certain features included in other embodiments but not other features, combinations of features of different embodiments are meant to be within the scope of the present invention and form different embodiments. For example, any one of the claimed embodiments can be used in any combination. The information disclosed in this background section is only intended to enhance the understanding of the overall background technology of the present invention, and should not be regarded as an admission or in any form implying that such information constitutes prior art known to those skilled in the art.

Claims

1. An off-instrument structure, characterized in that, The instrument shell, the control panel, the female connector, the male connector and the flexible circuit board are included. An installation cavity is formed in the interior of the instrument shell, and the female connector and the control panel are arranged in the installation cavity. The female connector includes a first waterproof protection member, a female seat and a first solder pad electrically connected, the first solder pad is electrically connected with the control panel, and the first waterproof protection member is wrapped on the outside of the female seat. The instrument shell is provided with a plug-in through hole, and the first waterproof protection member is plugged into the plug-in through hole, so that the female seat corresponds to the plug-in through hole and forms a sealed connection with the instrument shell through the first waterproof protection member. The male connector includes a male seat and a second waterproof protection member, the second waterproof protection member is wrapped on the outside of the male seat, the second waterproof protection member is plug-in connected with the first waterproof protection member, and the male seat is plug-in connected with the female seat. The male connector is a TYPE-C connector, and the female connector is a TYPE-C connector. The flexible circuit board includes a first connection end and a second connection end, the first connection end is electrically connected with the first solder pad, and the second connection end is electrically connected with the control panel. The flexible circuit board includes a first wire group, a second wire group and a bending part. The first wire group and the second wire group are arranged side by side at the second connection end, and the first wire group and the second wire group are connected through the bending part at the first connection end. The signal points of the first wire group are electrically connected with the signal points on the front surface of the first solder pad one by one, the signal points of the second wire group are folded to the back surface of the first solder pad relative to the first wire group through the bending part, and the signal points of the second wire group are electrically connected with the signal points on the back surface of the first solder pad one by one.

2. The instrument-out connector structure according to claim 1, wherein The first waterproof protection member is an outer rubber cover integrally injection molded with the female seat. The second waterproof protection member is an outer rubber cover integrally injection molded with the male seat.

3. The instrument-out connector structure according to claim 2, wherein The material of the first waterproof protection member and the material of the second waterproof protection member are TPU or TPEE respectively.

4. The instrument overmold structure of claim 1, wherein, The first waterproof protection member includes a first body part wrapped on the outside of the female seat and an extension part, the extension part is connected to one side of the first body part away from the first solder pad, and the end of the extension part away from the first body part exceeds the female seat. The male connector further includes a second solder pad electrically connected with the male seat, the second waterproof protection member includes a second body part wrapped on the outside of the male seat and an interlocking part, the interlocking part is connected to the end of the second body part away from the second solder pad, and the thickness of the interlocking part is less than the thickness of the second body part. When the male connector is plugged into the female connector, the interlocking part is clamped between the male seat and the extension part and / or between the male seat and the first body part.

5. The instrument overmold structure of claim 4, wherein, The inner circumferential side wall of the extension part is provided with an annular interlocking groove, and the outer circumferential side wall of the interlocking part is provided with an annular interlocking protrusion. When the connector male end is inserted into the connector female end, the annular interlocking protrusion is clamped in the annular interlocking groove.

6. The instrument overmold structure of claim 5, wherein, The outer circumferential wall of the extension part is provided with a groove, which is located on the side of the annular interlocking groove away from the first body part. The outer circumferential wall of the first body part is provided with a rib-shaped positioning part, and the insertion hole is provided with a positioning clamping groove, and the rib-shaped positioning part is clamped in the positioning clamping groove.

7. The off-instrument structure of claim 1, wherein, The flexible circuit board further comprises a first reinforcing part, a second reinforcing part and a third reinforcing part, the first reinforcing part is arranged at the first lead group corresponding to the first connecting end, the second reinforcing part is arranged at the second lead group corresponding to the first connecting end, and the third reinforcing part is arranged at the first lead group and the second lead group corresponding to the second connecting end.

8. The instrument-out connector structure according to claim 1, wherein The number of signal points of the first lead group and the number of signal points of the second lead group are respectively 1-5, and correspondingly, the number of signal points on the front surface of the first pad and the number of signal points on the back surface of the first pad are respectively 1-5.

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