Connectors and electronic devices

Abstract

The present application provides a connector and an electronic device. The electronic device includes a circuit substrate and the connector. The connector is arranged on the circuit substrate. The connector includes a connection seat, a connection head and a limiting structure. The connection seat is provided with a plug-in slot, and a plurality of connection terminals are arranged in the plug-in slot. The connection head can be movably inserted in the plug-in slot. The connection head includes a substrate and a plurality of conductive terminals arranged on the substrate. The limiting structure is used to limit the connection head in the plug-in slot, and when the connection head is inserted into the plug-in slot, each of the conductive terminals is aligned with and electrically connected to the corresponding connection terminal. The present application sets a limiting structure in the connector, and the limiting structure limits the connection head in the plug-in slot, so that when the connection head is inserted into the plug-in slot, the conductive terminal is aligned with and electrically connected to the corresponding connection terminal.

Description

Technical Field

[0001] The present application relates to the technical field of data transmission, and in particular to a connector and an electronic device. Background Art

[0002] Electronic devices often need to transmit data with external devices, and connectors are often used as transmission interfaces in existing electronic devices. The connector includes a connector and a connector base, the connector is provided with a conductive terminal, the connector base is provided with a plug slot that matches the connector, and the plug slot is provided with a connecting terminal for electrical connection with the conductive terminal. In actual production and manufacturing, due to the existence of manufacturing errors, the sizes of the connector and the plug slot often cannot be exactly matched. There will be dimensional tolerances in the design of the plug slot and the connector. When the size of the produced plug slot is in the upper deviation and the size of the connector is in the lower deviation, there will be a large gap between the connector and the plug slot. When the technician inserts the connector into the plug slot, it is easy to cause the conductive terminal on the connector to be offset from the connecting terminal in the plug slot, resulting in poor contact between the conductive terminal and the connecting terminal, thereby reducing the stability and reliability of the data transmission between the connector and the connector base. Summary of the invention

[0003] Embodiments of the present application provide a connector and an electronic device to solve the problem that conductive terminals and connecting terminals of the connector are easily misaligned.

[0004] In a first aspect, an embodiment of the present application provides a connector. The connector includes a connection seat, a connection head, and a limiting structure. The connection seat is provided with a plug-in slot, and a plurality of connection terminals are provided in the plug-in slot. The connection head can be movably inserted in the plug-in slot. The connection head includes a substrate and a plurality of conductive terminals provided on the substrate. The limiting structure is used to limit the connection head in the plug-in slot, and when the connection head is plugged into the plug-in slot, each of the conductive terminals is aligned with and electrically connected to the corresponding connection terminal.

[0005] In one embodiment, the connector includes a positioning surface facing away from the limiting structure, and the limiting structure is used to limit the positioning surface.

[0006] In one embodiment, the plug-in slot includes a positioning slot wall opposite to the positioning surface, and when the connector is plugged into the plug-in slot, the positioning surface is in contact with the positioning slot wall of the plug-in slot.

[0007] In one embodiment, the substrate includes a first end and a second end opposite to each other, the direction from the first end to the second end is parallel to the plugging direction of the connector, and the width of the first end is less than or equal to the width of the second end.

[0008] In one embodiment, the substrate further includes a first region and a second region arranged side by side; the plurality of conductive terminals are arranged at intervals in the second region; and the limiting structure is located on a side of the first region away from the second region.

[0009] In one embodiment, the limiting structure includes a first limiting structure and a second limiting structure that are arranged opposite to each other, the first limiting structure is arranged at a portion of the substrate corresponding to the first area away from the second area, and the second limiting structure is arranged in the plug-in slot.

[0010] In one embodiment, the plug-in slot includes a plug-in interface opposite to the multiple connecting terminals, the first limiting structure includes a first inclined surface facing the second limiting structure; the second limiting structure includes a second inclined surface directly opposite to the first inclined surface; the second inclined surface faces the plug-in interface of the plug-in slot; the shapes of the first inclined surface and the second inclined surface are at least one of planar, stepped, and serrated.

[0011] In one embodiment, when the connector is plugged into the plug-in slot, the distance between the first inclined surface and the second inclined surface at the first end relatively close to the substrate is smaller than the distance at the second end relatively close to the substrate; when the connector is plugged into the plug-in slot, the second end of the substrate is close to the plug-in interface of the plug-in slot.

[0012] In one embodiment, the limiting structure is constructed as an elastic member; when the connector is inserted into the insertion slot, the elastic member presses the connector so that the positioning surface of the connector facing away from the elastic member is in contact with the positioning slot wall of the insertion slot.

[0013] In a second aspect, an embodiment of the present application provides an electronic device. The electronic device comprises a circuit substrate and the above connector. The connector is arranged on the circuit substrate.

[0014] The present application sets a limiting structure in the connector, which limits the connector in the plug-in slot, so that when the connector is plugged into the plug-in slot, the conductive terminals are aligned and electrically connected with the corresponding connecting terminals, thereby improving the stability and reliability of data transmission between the connector socket and the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments.

[0016] Figure 1 It is a schematic diagram of the structure of an electronic device provided in the first embodiment of the present application.

[0017] Figure 2 yes Figure 1 A schematic structural diagram of a first implementation scheme of a connector for an electronic device.

[0018] Figure 3 yes Figure 1 A schematic structural diagram of a second embodiment of a connector for an electronic device.

[0019] Figure 4 yes Figure 1 A schematic structural diagram of a third embodiment of a connector for an electronic device.

[0020] Main component symbols

[0021] Electronic equipment 1

[0022] Circuit board 2

[0023] Connectors 10a, 10b, 10c

[0024] Connecting seat 100

[0025] Plug slot 110

[0026] Limiting groove wall 111

[0027] Positioning groove wall 112

[0028] Plug port 113

[0029] Connecting terminal 120

[0030] Connector 200

[0031] Substrate 210

[0032] First Area 211

[0033] Second area 212

[0034] Positioning surface 213

[0035] First end 214

[0036] Second end 215

[0037] Conductive terminal 220

[0038] Limiting structures 300a, 300b

[0039] The first limiting structure 310

[0040] First level opening 311

[0041] Second level opening 312

[0042] Third level opening 313

[0043] Fourth level opening 314

[0044] The second limiting structure 320

[0045] First level protrusion 321

[0046] Second level protrusion 322

[0047] Third level protrusion 323

[0048] Fourth level protrusion 324

[0049] The first inclined surface 330

[0050] The second inclined surface 340

[0051] Elastic 350 DETAILED DESCRIPTION

[0052] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments in the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0053] It should be understood that in the description of this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set on..." 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; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0054] See also Figure 1 and Figure 2, an embodiment of the present application provides an electronic device 1. The electronic device 1 includes a circuit substrate 2 and a connector 10a disposed on the circuit substrate 2. The electronic device 1 may be, but is not limited to, a display, a computer, or a mobile phone. The connector 10a may serve as a signal transmission channel of the circuit substrate 2 and as a bridge for data transmission between the electronic device 1 and an external device. The connector 10a includes a connection base 100 and a connector 200. A plug-in slot 110 is provided on the connection base 100, and the connector 200 can be movably inserted into the plug-in slot 110. The connector 200 includes a substrate 210 and a plurality of conductive terminals 220 disposed on the substrate 210. A plurality of connection terminals 120 for correspondingly electrically connecting to the plurality of conductive terminals 220 are provided in the plug-in slot 110. When the connector 200 is plugged into the plug-in slot 110, the conductive terminals 220 are electrically connected to the connection terminals 120, so that data transmission between the connection base 100 and the connector 200 can be performed normally.

[0055] In existing connectors, due to the existence of dimensional tolerances, the size of the produced connector and the size of the plug slot sometimes do not exactly match. When the size of the produced connector is in the lower deviation and the size of the plug slot is in the upper deviation, after the connector is plugged into the plug slot, a large gap will be left between the connector and the plug slot. Therefore. When the technician inserts the connector into the plug slot, it is easy for the conductive terminal on the connector to be offset from the connecting terminal in the plug slot. When the offset between the conductive terminal and the connecting terminal is too large, the conductive terminal and the connecting terminal will have poor contact, resulting in abnormal data transmission between the electronic device and the external device.

[0056] In order to solve the problem that the conductive terminals and the connecting terminals in the existing connectors are prone to poor contact, in the present application, a limiting structure 300a is provided in the connector 10a. The limiting structure 300a is used to limit the connector 200 in the plug-in slot 110. Specifically, the connector 200 includes a positioning surface 213, and the positioning surface 213 is located on the side of the connector 200 away from the limiting structure 300a. The limiting structure 300a is used to limit the positioning surface 213. The plug-in slot 110 includes a positioning slot wall 112 opposite to the positioning surface 213. When the connector 200 is plugged into the plug-in slot 110, the positioning surface 213 is attached to the slot wall of the plug-in slot 110, that is, the positioning surface 213 is attached to the positioning slot wall 112. When the positioning surface 213 is attached to the positioning groove wall 112, each conductive terminal 220 of the connector 10a is aligned with and electrically connected to the corresponding connecting terminal 120, so that data can be normally transmitted between the connecting socket 100 and the connecting head 200. The conductive terminals 220 use the positioning surface 213 as a positioning reference, and the conductive terminals 220 are spaced apart on the substrate 210 from the positioning reference toward a side away from the positioning reference.

[0057] The substrate 210 includes a first area 211 and a second area 212 arranged side by side, and the extension direction of the first area 211 and the second area 212 is parallel to the plug-in direction of the connector 200. A plurality of conductive terminals 220 are arranged in the second area 212 and are arranged at intervals along the direction from the second area 212 to the first area 211. The limiting structure 300a is located on the side of the first area 211 away from the second area 212. In this way, the limiting structure 300a is only arranged on one side of the connector 200, which can not only reduce the space occupied by the limiting structure 300a in the plug-in slot 110, making it easier for the connector 200 to be plugged into the plug-in slot 110, but also ensure the alignment between the conductive terminal 220 and the connecting terminal 120, so as to achieve normal data transmission between the connector 100 and the connector 200.

[0058] The plugging slot 110 further includes a limiting slot wall 111 disposed opposite to the positioning slot wall 112. When the connector 200 is plugged into the plugging slot 110, the limiting slot wall 111 is close to the first area 211, and the positioning slot wall 112 is close to the second area 212. The connecting terminals 120 are spaced apart in a direction from the positioning slot wall 112 toward the limiting slot wall 111. The spacing distance between two adjacent connecting terminals 120 is substantially the same as the spacing distance between two adjacent conductive terminals 220, so as to achieve alignment between the conductive terminals 220 and the connecting terminals 120.

[0059] In this embodiment, the substrate 210 further includes a first end 214 and a second end 215 that are arranged opposite to each other, and the direction from the first end 214 to the second end 215 is parallel to the plugging direction of the connector 200. The width of the first end 214 is smaller than the width of the second end 215, so that the connector 200 can be plugged into the plug slot 110. In the process of plugging the connector 200 into the plug slot 110, the first end 214 enters the plug slot 110 before the second end 215. The shape of the substrate 210 can be, but is not limited to, a trapezoidal, rectangular or other special-shaped structures. In some embodiments, the width of the first end 214 can also be equal to the width of the second end 215. The connector 200 further includes a limiting surface that is arranged opposite to the positioning surface 213. When the connector 200 is plugged into the plug slot 110, the limiting surface is close to the limiting slot wall 111, and the positioning surface 213 is close to the positioning slot wall 112. The width of the first end 214 and the width of the second end 215 refer to the width of the connector 200 along a direction parallel to the limiting surface toward the positioning surface 213 .

[0060] The limiting structure 300a includes a first limiting structure 310 and a second limiting structure 320 that are arranged opposite to each other. The first limiting structure 310 is arranged at a portion of the substrate 210 corresponding to the first area 211 away from the second area 212, and the second limiting structure 320 is arranged in the plug slot 110. When the technician plugs the connector 200 into the plug slot 110, the first limiting structure 310 and the second limiting structure 320 interact with each other so that the positioning surface 213 is attached to the positioning slot wall 112, so that the conductive terminal 220 is aligned with the connecting terminal 120 and electrically connected.

[0061] The first limiting structure 310 includes a first inclined surface 330 facing the second limiting structure 320, and the second limiting structure 320 includes a second inclined surface 340 opposite to the first inclined surface 330. The plug-in slot 110 includes a plug-in interface 113 opposite to the connecting terminal 120. The second inclined surface 340 faces the plug-in interface 113 of the plug-in slot 110. When the connector 200 is plugged into the plug-in slot 110, there is a gap between the first inclined surface 330 and the second inclined surface 340, and the distance between the first inclined surface 330 and the second inclined surface 340 at the first end 214 relatively close to the substrate 210 is smaller than the distance at the second end 215 relatively close to the substrate 210, and the distance between the first inclined surface 330 and the second inclined surface 340 at the first end 214 close to the substrate 210 is substantially zero. When the connector 200 is inserted into the insertion slot 110 , the first inclined surface 330 and the second inclined surface 340 limit the connector 200 , so that the positioning surface 213 is in contact with the positioning slot wall 112 , and the conductive terminal 220 is aligned with the corresponding connecting terminal 120 and electrically connected.

[0062] The shapes of the first inclined surface 330 and the second inclined surface 340 are at least one of a plane, an arc, a step, and a sawtooth. In the present embodiment, the first inclined surface 330 and the second inclined surface 340 are constructed in a plane shape. The distance from the end of the second inclined surface 340 close to the limiting groove wall 111 to the plug-in port 113 is less than the distance from the first end away from the limiting groove wall 111 to the plug-in port 113. When the connector 200 is plugged into the plug-in slot 110, the distance between the first inclined surface 330 and the second inclined surface 340 gradually increases from the first end 214 to the second end 215. When the connector 200 is plugged into the plug-in slot 110, the distance between the limiting surface at the first end 214 of the connector 200 and the positioning surface 213 is roughly equal to the distance between the limiting groove wall 111 and the positioning groove wall 112 at the corresponding position in the plug-in slot 110.

[0063] Specifically, when the technician inserts the connector 200 into the plug slot 110, under the guidance of the first inclined surface 330 and the second inclined surface 340, the connector 200 gradually slides into the plug slot 110 along the second inclined surface 340, and the positioning surface 213 of the connector 200 gradually approaches the positioning slot wall 112, and finally the conductive terminal 220 is aligned with the corresponding connecting terminal 120 and electrically connected. In this embodiment, through the cooperation of the first inclined surface 330 and the second inclined surface 340, when the connector 200 is inserted into the plug slot 110, the positioning surface 213 is attached to the positioning slot wall 112, which solves the problem that the size of the connector 200 and the size of the plug slot 110 are too large due to manufacturing errors, and the conductive terminal 220 and the connecting terminal 120 are easily misaligned. At the same time, the planar first inclined surface 330 and the second inclined surface 340 have a simple structure, which is easy to process the first limiting structure 310 and the second limiting structure 320.

[0064] In some embodiments, the connector 200 is further provided with an identification structure, which is used to characterize the connection state of the connector 200 and the connector socket 100. The identification structure can be a scale line set on the connector 200. When the edge of the plug interface 113 is located within the preset scale range of the connector 200, the limiting structure 300a can limit the positioning surface 213. At this time, the positioning surface 213 is in contact with the positioning groove wall 112 or the spacing between the positioning surface 213 and the positioning groove wall 112 is less than the preset value, so that the conductive terminal 220 is aligned with the corresponding connection terminal 120 and electrically connected, thereby realizing data transmission between the connector socket 100 and the connector 200. When the edge of the plug interface 113 is outside the preset scale range of the connector 200, the limiting structure 300a is unable to limit the positioning surface 213. At this time, the distance between the positioning surface 213 and the positioning groove wall 112 is greater than a preset value, so that the conductive terminal 220 and the corresponding connecting terminal 120 are completely offset, and the electrical connection between the conductive terminal 220 and the corresponding connecting terminal 120 is disconnected. The preset value is smaller than the width of a conductive terminal 220.

[0065] See also Figure 3In the second embodiment of the present application, the connector 10b in the second embodiment is similar in structure to the connector 10a in the first embodiment, except that in the present embodiment, the first inclined surface 330 and the second inclined surface 340 are configured in a stepped shape. The distance of the gap between the first inclined surface 330 and the second inclined surface 340 can also change linearly from the first end 214 to the second end 215. In the present embodiment, the distance between the first inclined surface 330 and the second inclined surface 340 gradually increases from the first end 214 to the second end 215. In some embodiments, the distance of the gap between the first inclined surface 330 and the second inclined surface 340 can also change nonlinearly from the first end 214 to the second end 215.

[0066] Specifically, the first limiting structure 310 is configured as a stepped opening opened on the substrate 210, and the second limiting structure 320 is configured as a stepped protrusion matched with the stepped opening. When the connector 200 is plugged into the plug slot 110, the stepped opening is engaged with the stepped protrusion, so that the positioning surface 213 is attached to the positioning slot wall 112. The number of steps of the stepped opening and the stepped protrusion may include one or more levels. In this embodiment, the number of steps of the stepped opening and the stepped protrusion is set to four levels, namely, the first-level opening 311, the second-level opening 312, the third-level opening 313, the fourth-level opening 314, the first-level protrusion 321, the second-level protrusion 322, the third-level protrusion 323 and the fourth-level protrusion 324. The four steps of the stepped opening are arranged in sequence from the first end 214 to the second end 215, and the first-level opening 311 is close to the first end 214. The dimensional tolerance of the four steps in the stepped opening increases step by step from the first-stage opening 311 to the fourth-stage opening 314, so that the first-stage opening 311 and the first-stage protrusion 321 are in the tightest contact when engaged, and the fourth-stage opening 314 and the fourth-stage protrusion 324 are in the loosest contact when engaged. The dimensional tolerance of the fourth-stage opening 314 is less than or equal to the width of the conductive terminal 220.

[0067] When the technician inserts the connector 200 into the plug slot 110, the first-level opening 311 is matched with the first-level protrusion 321. If the matching is successful, the first-level opening 311 and the first-level protrusion 321 are engaged with each other; if the matching fails, the second-level opening 312 is matched with the second-level protrusion 322; if the matching fails again, the third-level opening 313 is matched with the third-level protrusion 323; if the matching still fails, the fourth-level opening 314 is matched with the fourth-level protrusion 324. If the matching still fails, it means that the connector 200 is not manufactured properly. Since the connector 200 will inevitably have processing errors in the actual processing process, the connector 200 will reserve dimensional tolerances in the actual design, that is, the error range allowed in the processing. When the size of the processed connector 200 is in the upper deviation and the size of the plug slot 110 is in the lower deviation, the size of the connector 200 will be larger than the size of the plug slot 110, so the connector 200 will not be able to be inserted into the plug slot 110. In this embodiment, by setting multiple steps, the error tolerance of the connector 200 during processing and the production yield of the connector 200 are improved; by gradually reducing the dimensional tolerance from the fourth-level opening 314 to the first-level opening 311 and the dimensional tolerance of the fourth-level opening 314 is less than or equal to the width of the conductive terminal 220, it can also be ensured that when the connector 200 is plugged into the plug slot 110, the positioning surface 213 is attached to the positioning slot wall 112 or the distance from the positioning slot wall 112 is less than the preset distance, thereby ensuring that the conductive terminal 220 is aligned with the corresponding connecting terminal 120 and electrically connected. Among them, the preset distance is less than or equal to the width of the conductive terminal 220. In some embodiments, the fourth-level opening 314 and the fourth-level protrusion 324 can also adopt a one-way tolerance design, that is, the fourth-level opening 314 only sets a lower deviation, and the fourth-level protrusion 324 only sets an upper deviation, and the tolerance range of the fourth-level opening 314 and the fourth-level protrusion 324 are both less than or equal to half of the width of the conductive terminal 220, thereby ensuring that the produced connectors 200 can be plugged into the plug slots 110.

[0068] See also Figure 4 In the third embodiment of the present application, the connector 10c in the third embodiment is similar to the connector 10a in the first embodiment, except that the limiting structure 300b in the third embodiment is different from the limiting structure 300a in the first embodiment.

[0069] The limiting structure 300b is constructed as an elastic member 350 disposed in the plug-in slot 110. The elastic member 350 is used to press the connector 200 when the connector 200 is plugged into the plug-in slot 110, so that the positioning surface 213 is attached to the positioning slot wall 112, thereby limiting the connector 200 and making the positioning surface 213 attached to the positioning slot wall 112. In this embodiment, the width of the first end 214 is equal to the width of the second end 215, so that there is no need to improve the existing connector, so as to reduce the processing steps of the connector 200, and make the connector 10c of the present application more widely applicable. In some embodiments, the width of the first end 214 of the connector 200 is less than the width of the second end 215. For example, a guide structure may be provided near the first end 214 of the first region 211 of the connector 200, so as to facilitate the connector 200 to be plugged into the plug-in slot 110. The guide structure may be configured as, but not limited to, an oblique chamfer or a round chamfer.

[0070] In this embodiment, the elastic member 350 is configured as a spring sheet, which is disposed on the limiting groove wall 111 of the plug-in slot 110. When the connector 200 is plugged into the plug-in slot 110, the spring sheet presses against the substrate 210 so that the positioning surface 213 is in contact with the positioning groove wall 112. Preferably, the spring sheet can be disposed on the limiting groove wall 111 at an end away from the plug-in interface 113 of the plug-in slot 110, so as to reduce the scratches on the substrate 210 by the spring sheet during the process of the connector 200 being plugged into the plug-in slot 110, thereby improving the service life of the connector 10c. In this embodiment, the elastic member 350 is provided to limit the connector 200, thereby reducing the processing steps of the connector 200 and simplifying the manufacturing process of the connector 10c. In some embodiments, the elastic member 350 may also be disposed on a side of the substrate 210 close to the limiting groove wall 111. Preferably, the elastic member 350 is close to the second end 215 to reduce the scratching of the limiting groove wall 111 by the elastic member 350 during the process of the connector 200 being plugged into the plug slot 110. In other embodiments, the limiting groove wall 111 and the connector 200 are both provided with elastic members 350. When the connector 200 is plugged into the plug slot 110, the limiting groove wall 111 and the elastic members 350 on the connector 200 jointly limit the positioning surface 213. It can be understood that the elastic member 350 in this embodiment can be used in conjunction with the limiting structure 300a in the aforementioned embodiment, that is, a plurality of limiting structures are provided in the connector 10c to further limit the connector 200 in the plug slot 110, so as to achieve alignment and electrical connection between the conductive terminal 220 and the corresponding connecting terminal 120. In some embodiments, the elastic member 350 may also be, but is not limited to, a spring or other elastic structure.

[0071] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A connector, comprising a connection seat and a connection head; the connection seat is provided with a plug-in slot, and a plurality of connection terminals are provided in the plug-in slot; the connection head can be movably inserted in the plug-in slot; the connection head comprises a substrate and a plurality of conductive terminals provided on the substrate; characterized in that: The connector further comprises: A limiting structure, wherein the limiting structure is used to limit the connector in the plug slot, so that when the connector is plugged into the plug slot, each of the conductive terminals is aligned with and electrically connected to the corresponding connecting terminal; The substrate includes a first area and a second area arranged side by side; the multiple conductive terminals are arranged in the second area at intervals; the limiting structure is located on the side of the first area away from the second area, the limiting structure includes a first limiting structure and a second limiting structure arranged relatively, the first limiting structure is arranged on the substrate, the second limiting structure is arranged in the plug-in slot, the plug-in slot includes a plug-in interface opposite to the multiple connecting terminals, the first limiting structure includes a first inclined surface facing the second limiting structure; the second limiting structure includes a second inclined surface directly opposite to the first inclined surface; the second inclined surface faces the plug-in interface of the plug-in slot, when the connecting head is plugged into the plug-in slot, the distance between the first inclined surface and the second inclined surface at the first end relatively close to the substrate is smaller than the distance at the second end relatively close to the substrate; when the connecting head is plugged into the plug-in slot, the second end of the substrate is close to the plug-in interface of the plug-in slot.

2. The connector according to claim 1, characterized in that: The connector includes a positioning surface facing away from the limiting structure, and the limiting structure is used to limit the positioning surface.

3. The connector according to claim 2, characterized in that: The plug-in slot includes a positioning slot wall opposite to the positioning surface. When the connector is plugged into the plug-in slot, the positioning surface is in contact with the positioning slot wall of the plug-in slot.

4. The connector according to claim 1, characterized in that: The substrate includes a first end and a second end opposite to each other, the direction from the first end to the second end is parallel to the plugging direction of the connector, and the width of the first end is smaller than the width of the second end.

5. The connector according to claim 1, characterized in that: The first limiting structure is disposed at a portion of the substrate corresponding to the first area and away from the second area.

6. The connector according to claim 1, characterized in that: The first inclined surface and the second inclined surface are in at least one of a planar shape, a step shape, and a sawtooth shape.

7. The connector according to claim 2, characterized in that: The limiting structure is constructed as an elastic member; when the connector is inserted into the insertion slot, the elastic member presses the connector so that the positioning surface of the connector facing away from the elastic member is in contact with the positioning slot wall of the insertion slot.

8. An electronic device, characterized in that: It comprises a circuit substrate and a connector as described in any one of claims 1 to 7; the connector is arranged on the circuit substrate.

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