Substrate connector

Abstract

The invention discloses a substrate connector which is long in service life, stable in contact with a butt-joint module and suitable for high-vibration use scenarios, and the substrate connector comprises an insulating base which is provided with a butt-joint cavity with an opening towards the front end in the front-back direction and a locking cavity with an opening towards the rear end, the butt-joint cavity and the locking cavity are communicated in the up-down direction, and the butt-joint cavity and the locking cavity are communicated with each other in the up-down direction. A butt joint module is inserted into the butt joint cavity; the plurality of terminal pieces are fixed on the insulating base, and each terminal piece comprises a fixed part, an elastic contact part and a butt joint part; the fixing part and the insulating base are fixedly arranged; the elastic contact part can elastically deform in the vertical direction, and the elastic contact part is upwards exposed to the butt joint cavity and downwards exposed to the locking cavity; a supporting part is formed on the rear cover piece, the supporting part is inserted into the locking cavity from the rear end opening in the front-back direction, and the supporting part supports the elastic contact part below the elastic contact part to enable the elastic contact part to elastically deform upwards and partially extend upwards into the butt joint cavity in a protruding mode to be used for being in electric contact with the butt joint module.

Description

Technical Field

[0001] The present application relates to the field of connectors, and in particular to a substrate connector. Background Art

[0002] For related prior art, please refer to Chinese utility model patent CN220253518U, which discloses a lock-enhanced FPC connector, which is mainly inserted into the terminal slot 12 through a lock 20, specifically, the clamping plate 23 of the lock 20 is inserted into the cable slot 45 of the contact terminal 40, and the clamping plate 23 is pressed against the lower surface of the FPC / FFC to lift the FPC / FFC upward to achieve the FPC / FFC and maintain contact with the conductive foot 43 of the contact terminal 40.

[0003] However, in the prior art, the lock buckle 20 and the FPC / FFC are inserted on the same side, which is inconvenient for the user to operate, and the clamping plate 23 is in direct contact with the FPC / FFC, which will cause relative friction during use and damage the FPC / FFC.

[0004] Therefore, it is necessary to design a new substrate connector to solve the above technical problems. Summary of the invention

[0005] The purpose of the present application is to provide a substrate connector that can improve service life and has stable contact with a docking module.

[0006] To achieve the above objectives, this application provides the following technical solutions: A substrate connector, comprising: The insulating base is formed with a docking cavity opened toward the front end along the front-back direction and a locking cavity opened toward the rear end, at least a portion of the docking cavity is connected with at least a portion of the locking cavity along the up-down direction perpendicular to the front-back direction to form a connecting hole, and the docking cavity is for inserting the docking module; A plurality of terminal pieces, fixed to the insulating base, each of the terminal pieces comprising a fixing portion, an elastic contact portion and a docking portion; The fixing portion is fixedly arranged on the insulating base; The elastic contact portion can be elastically deformed in the up-down direction, the elastic contact portion is exposed upward to the docking cavity, and the elastic contact portion is exposed downward to the locking cavity; The butt joint is exposed outside the insulating base; The rear cover is formed with a support portion, which is inserted into the locking cavity from the rear end opening along the front-to-back direction. The support portion supports the elastic contact portion below the elastic contact portion so that the elastic contact portion elastically deforms upward and partially protrudes upward into the docking cavity for electrical contact with the docking module.

[0007] Furthermore, the elastic contact portion is integrally connected with the fixed portion via a transition portion, and the elastic contact portion and the fixed portion are opposite to each other and spaced apart in the up-down direction to form a first spacing cavity opening backwards; The support portion is inserted into the first compartment through the opening from back to front.

[0008] Furthermore, the transition portion connects the front end edge of the elastic contact portion and the front end edge of the fixing portion.

[0009] Furthermore, the fixing portion includes an upper arm section, a lower arm section, and a connecting section integrally connecting the upper arm section and the lower arm section in the up-down direction, and at least the rear ends of the upper arm section and the lower arm section are spaced and arranged opposite to each other in the up-down direction and form a second spacing cavity opening backwards; A first locking portion, formed on the upper arm segment and / or the lower arm segment, the first locking portion facing the second compartment along the up-down direction; A second locking portion is formed on the upper arm section and / or the lower arm section, and the first locking portion faces the second compartment along the up-down direction; The first locking portion and the second locking portion are spaced apart in the front-to-back direction; A locking portion formed on the rear cover, the locking portion being inserted into the second compartment cavity through the opening from the rear to the front; The locking portion can be locked with the first locking portion so that the rear cover is maintained in the first state position; The locking portion can be locked with the second locking portion so that the rear cover is maintained in the second state position.

[0010] Furthermore, when the rear cover is maintained in the second state, the support portion is located between the elastic contact portion and the fixing portion along the up-down direction.

[0011] Furthermore, when the rear cover is maintained in the first state position, the support portion does not form an upward pushing force on the elastic contact portion.

[0012] Furthermore, when the rear cover is maintained in the second state, the support portion pushes the elastic contact portion upward, and the elastic contact portion elastically deforms upward.

[0013] Further, the first locking portion is a groove that is recessed from the upper arm section and / or the lower arm section along the up-down direction away from the second compartment cavity; The second locking portion is a groove that is recessed from the upper arm section and / or the lower arm section along the up-down direction away from the second compartment cavity.

[0014] Furthermore, the locking portion is a columnar body with a central axis extending along the left-right direction.

[0015] Furthermore, the elastic contact portion includes a first section of elastic arm and a second section of elastic arm integrally connected along the front-to-back direction, the first section of elastic arm is close to the front end, and the second section of elastic arm is close to the rear end; The angle between the second elastic arm and the front-to-back direction is greater than the angle between the first elastic arm and the front-to-back direction; The supporting portion is supported below the second elastic arm.

[0016] Furthermore, the free end of the elastic contact portion protrudes upward to form a contact protrusion; When the docking module is inserted into the docking cavity, and the rear cover is inserted into the insulating base from the back to the front until it is completely locked with the insulating base and maintained in a locked state; The contact protrusion presses upwardly against the lower surface of the docking module to form a first contact fulcrum; The support portion is correspondingly supported on the lower surface of the second elastic arm to form a second contact fulcrum; Along the front-to-back direction, the first contact fulcrum is located at a rear end position of the second contact fulcrum.

[0017] Furthermore, when the docking module is inserted into the docking cavity and the rear cover is inserted into the insulating base from back to front until it is completely locked with the insulating base and maintained in a locked state, the upper edge of the elastic contact portion does not contact the insulating base upward.

[0018] Furthermore, the rear cover comprises a main body extending in the left-right direction and a locking member connected to the left and right ends of the main body respectively, the locking member comprises a locking arm extending to the front end in a cantilever shape, the locking arm can be elastically deformed in the left-right direction and a locking portion is formed at the front end; The insulating base is respectively provided with locking fitting parts at the left and right sides. When the rear cover is inserted into the insulating base from the back to the front until it is completely locked with the insulating base and maintained in a locked state, the locking part and the locking fitting parts are snap-fastened to prevent the rear cover from detaching backwards from the insulating base.

[0019] Furthermore, the locking member also includes an operating arm extending to the rear end in a cantilevered shape, and the middle position of the locking member in the front-to-back direction is integrally connected to the insulating base through a supporting portion; When the operating arm is pressed in the left-right direction, the locking arm can swing in the left-right direction with the supporting portion as a fulcrum.

[0020] Further, it also includes: a main body hook arm extending in the front-to-back direction, the main body hook arm is integrally connected to the insulating base at a middle position in the front-to-back direction, and the front end of the main body hook arm protrudes into the docking cavity to form a hook portion; The hook portion is locked with the docking module inserted into the docking cavity to prevent the docking module from being separated from the docking cavity; When the rear end position of the main body hook arm is pressed in the left-right direction or the up-down direction, the hook portion can be unlocked from the docking module.

[0021] Compared with the prior art, the beneficial effects of the present application are: it can improve the service life, and the contact with the docking module is stable, and it can be suitable for high-vibration usage scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a stereoscopic diagram of the substrate connector of the present application, and also shows a stereoscopic schematic diagram of a docking module docked with the substrate connector.

[0023] Figure 2 yes Figure 1 FIG. 1 is a perspective schematic diagram of the substrate connector shown in FIG. 1 from another angle.

[0024] Figure 3 It is a front view of the substrate connector of the present application.

[0025] Figure 4 It is a partial three-dimensional exploded view of the substrate connector of the present application, specifically showing a three-dimensional schematic diagram after the rear cover and a metal foot are separated from the insulating base.

[0026] Figure 5 yes Figure 4 A three-dimensional diagram from another angle.

[0027] Figure 6 It is Figure 3 A cross-sectional view along line AA showing the state when the rear cover is not inserted into the insulating base.

[0028] Figure 7 It is Figure 3 The cross-sectional view along line AA shows a schematic diagram of the rear cover being inserted into the insulating base and maintained in the first state position.

[0029] Figure 8 It is Figure 3 A cross-sectional view taken along line AA shows a schematic diagram of the rear cover being inserted into the insulating base and maintained in the second state position.

[0030] Fig. 9 It is Figure 3 Sectional view along line BB.

[0031] Fig.10 It is a side view of the terminal piece of the substrate connector of the present application. DETAILED DESCRIPTION

[0032] The following will be combined with the accompanying drawings 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 of 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.

[0033] In the description of this application, it should be understood that the terms "include" and "have" and any variations thereof used herein are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0034] In addition, for the accuracy of the description of the entire application, all directions involved in the entire application should be referred to as Figure 1 For reference, the direction of the X-axis is defined as the left-right direction; the direction of the Y-axis is defined as the up-down direction, where the positive direction of the Y-axis is upward; the direction of the Z-axis is defined as the front-back direction (that is, the plug-in and unplug direction of the docking module 200), where the positive direction of the Z-axis is backward.

[0035] Please refer to Figures 1 to 10 As shown, a substrate connector 100 disclosed in the present application is shown, and the substrate connector 100 includes an insulating base 1 made of insulating material, a plurality of terminal pieces 2 fixed on the insulating base 1, a rear cover piece 3, and a metal foot 4. The insulating base 1 is formed with a docking cavity 101 opened to the front end along the front-to-back direction and a locking cavity 102 opened to the rear end, and at least part of the docking cavity 101 is connected with at least part of the locking cavity 102 along the up-down direction perpendicular to the front-to-back direction to form a connecting hole 103, and the docking cavity 101 is for the docking module 200 to be inserted. The docking module 200 can be an FPC flexible board module or an FFC flexible cable module.

[0036] Please refer to Figures 6 to 10As shown, the terminal member 2 is formed by stamping a metal plate, and each of the terminal members 2 includes a fixing portion 21, an elastic contact portion 22 and a docking portion 23. In the embodiment of the present application, a terminal mounting groove (not numbered) is formed on the insulating base 1, the terminal mounting groove is connected to the locking cavity 102 and is open to the rear, and the terminal member 2 is assembled and fixed to the terminal mounting groove from the back to the front. Specifically, the fixing portion 21 is fixedly arranged with the insulating base 1. The elastic contact portion 22 can be elastically deformed in the up and down directions, and the elastic contact portion 22 is exposed upward to the docking cavity 101, and the elastic contact portion 22 is exposed downward to the locking cavity 102. The docking portion 23 is exposed outside the insulating base 1 from the lower rear end of the insulating base. The elastic contact portion 22 is used to be electrically connected to the docking module 200, and the docking portion 23 is used to be welded and fixed to the circuit board inside the device.

[0037] Further, the elastic contact portion 22 is integrally connected with the fixed portion 21 through a transition portion 24, and the elastic contact portion 22 and the fixed portion 21 are arranged opposite to each other in the up-down direction and are spaced apart and form a first compartment cavity 201 that opens backwards. In a preferred embodiment, the transition portion 24 connects the front end edge of the elastic contact portion 22 and the front end edge of the fixed portion 21. The fixed portion 21 includes an upper arm section 211, a lower arm section 212, and a connecting section 25 that integrally connects the upper arm section 211 and the lower arm section 212 in the up-down direction, and at least the rear end positions of the upper arm section 211 and the lower arm section 212 are spaced apart and arranged opposite to each other in the up-down direction and form a second compartment cavity 202 that opens backwards. In a preferred embodiment, the connecting section 25 connects the front end edge of the upper arm section 211 and the front end edge of the lower arm section 212. The side view of the terminal piece 2 is similar to the letter "E". In a preferred embodiment, the transition portion 24, the connecting section 25 and the lower arm section 212 are fixed to the insulating base 1. The elastic contact portion 22 and the upper arm section 211 can both be elastically deformed in the up-and-down direction.

[0038] Please refer to Fig.10 As shown, in a preferred embodiment of the present application, the lower edge of the upper arm section 211 is respectively recessed upward to form a first locking portion 2001 and a second locking portion 2002, and the first locking portion 2001 is located at the rear end of the second locking portion 2002 and is arranged at a certain distance from the second locking portion 2002. The upper edge of the lower arm section 212 is respectively recessed downward to form a first locking portion 2001 and a second locking portion 2002, and the first locking portion 2001 is located at the rear end of the second locking portion 2002 and is arranged at a certain distance from the second locking portion 2002. The first locking portion 2001 of the upper arm section 211 and the first locking portion 2001 of the lower arm section 212 are arranged in an aligned manner along the up-down direction. The second locking portion 2002 of the upper arm section 211 and the second locking portion 2002 of the lower arm section 212 are arranged in an aligned manner along the up-down direction.

[0039] Please refer to Figures 1 to 9 As shown, the rear cover 3 includes a main body 301 extending in the left-right direction and a locking member 302 connected to the left and right ends of the main body 301. A supporting portion 31 and a locking portion 32 are formed on the main body 301. During assembly, the main body 301 of the rear cover 3 is inserted from back to front and assembled into the locking cavity 102. Correspondingly, the supporting portion 31 is inserted into the first compartment cavity 201. The locking portion 32 is inserted into the second compartment cavity 202. The locking portion 32 can be locked with the first locking portion 2001 so that the rear cover 3 is maintained in the first state position. When the rear cover 3 is pushed forward, the locking portion 32 can jump / slide from the first locking portion 2001 to the second locking portion 2002 and lock with the second locking portion 2002 so that the rear cover 3 is maintained in the second state position (that is, after the docking module 200 is inserted into the docking cavity 101, the rear cover 3 is pushed forward from the back and completely locked with the insulating base 1). When the docking module 200 needs to be pulled out of the docking cavity 101, the rear cover 3 is pushed backward, and the locking portion 32 can jump / slide from the second locking portion 2002 to the first locking portion 2001 and lock with the first locking portion 2001 so that the rear cover 3 is restored and maintained in the first state position.

[0040] In a preferred embodiment of the present application, the support portion 31 is a columnar body formed on the main body 301, and the central axis extends along the left-right direction. There are multiple support portions 31, and they correspond to each terminal piece 2 one by one. The locking portion 32 can also be a columnar body (preferably cylindrical or elliptical) with a central axis extending along the left-right direction. There are multiple locking portions 32, and they correspond to each terminal piece 2 one by one. Two adjacent support portions 31 or locking portions 32 are separated by a grille portion 303, and the front upper position and the rear end position of the grille portion 303 are integrally connected and together with the multiple support portions 31 and locking portions 32 form the main body 301. In a preferred embodiment, the support portions 31 and the locking portions 32 are staggered in the front-to-back direction (refer to Figures 6 to 8 ) to facilitate the mold sealing positioning when injection molding the rear cover part 3.

[0041] In a preferred embodiment, when the rear cover 3 is in the first state position, the support portion 31 does not form an upward thrust on the elastic contact portion 22. In a more preferred embodiment, when the rear cover 3 is in the first state position, the support portion 31 is not in contact with the elastic contact portion 22. When the rear cover 3 is maintained in the second state position, the support portion 31 forms a continuous upward thrust on the elastic contact portion 22, and the elastic contact portion 22 elastically deforms upward and a local position protrudes upward into the docking cavity 101 (specifically, it can be a position above the free end of the elastic contact portion 22).

[0042] In a preferred embodiment, the elastic contact portion 22 includes a first section elastic arm 221 and a second section elastic arm 222 integrally connected along the front-to-back direction, the first section elastic arm 221 is close to the front end position, and the second section elastic arm 222 is close to the rear end position. The angle between the second section elastic arm 222 and the front-to-back direction is greater than the angle between the first section elastic arm 221 and the front-to-back direction. The support portion 31 is supported below the second section elastic arm 222. A contact convex portion 2221 is formed on the upper free end of the second section elastic arm 222. In a preferred embodiment, when the rear cover 3 is in the first state position, the contact convex portion 2221 does not protrude upward into the docking cavity 101 (that is, the elastic contact portion 22 does not protrude upward into the docking cavity 101). When the rear cover 3 is in the second state position, the contact convex portion 2221 protrudes upward into the docking cavity 101. In this way, the friction damage between the docking module and the terminal member 2 can be reduced.

[0043] Specifically, when the docking module 200 is inserted into the docking cavity 101 and the rear cover 3 is in the second state position: the contact protrusion 2221 presses upward against the lower surface of the docking module 200 to form a first contact fulcrum; the support portion 31 is correspondingly supported on the lower surface of the second section elastic arm 222 to form a second contact fulcrum. In the front-to-back direction, the first contact fulcrum is located at the rear end of the second contact fulcrum. Such a design enables the contact protrusion 2221 of the elastic contact portion 22 to be in stable contact with the docking module 200, and during the entire actuation process when the docking module 200 is inserted into the docking cavity 101 and the rear cover 3 is pushed forward to the second state position, the elastic deformation of the elastic contact portion 22 is stable and effective. In addition, when the docking module 200 is inserted into the docking cavity 101 and the rear cover 3 is in the second state position, the upper edge of the elastic contact portion does not contact the insulating base upwards, in order to reserve space for the elastic deformation of the elastic contact portion 22, it can absorb the design tolerance, assembly tolerance, manufacturing engineering, etc., and prevent the elastic contact portion 22 from being suffocated and plastic deformation during the elastic deformation process. In this way, the contact stability performance with the docking module 200 is improved. At the same time, it can be beneficial to the stress dispersion of the elastic contact portion 22 after the elastic deformation occurs, thereby improving the service life.

[0044] Please refer to Figures 1 to 9 As shown, the locking member 302 includes a locking arm 3021 extending to the front end in a cantilever shape, the locking arm 3021 can be elastically deformed in the left and right directions and a locking portion 3022 is formed at the front end. The left and right sides of the insulating base 1 are respectively formed with locking fitting portions 11. When the rear cover 3 is in the second state position, the locking portion 3022 is snap-fastened with the locking fitting portion 11 to prevent the rear cover 3 from detaching from the insulating base 1 backward. In a preferred embodiment, the locking member 302 also includes an operating arm 3023 extending to the rear end in a cantilever shape, and the middle position of the locking member 302 in the front-to-back direction is integrally connected to the insulating base 1 through a support portion 3024. When the operating arm 3023 is pressed in the left and right directions, the locking arm 3021 can swing in the left and right directions (both clockwise or counterclockwise) with the support portion 3024 as a fulcrum.

[0045] Please refer to Figures 1 to 8 As shown, the insulating base 1 also includes a main body hook arm 12 extending in the front-to-back direction, and the main body hook arm 12 is integrally connected to the insulating body at the middle position along the front-to-back direction, and the front end of the main body hook arm 12 protrudes into the docking cavity 101 to form a hook portion 121. The hook portion 121 corresponds to the docking module 200 inserted into the docking cavity 101 and locks to prevent the docking module 200 from being separated from the docking cavity 101. When the rear end position of the main body hook arm 12 is pressed in the up-down direction, the hook portion 121 can be disengaged from the docking module 200. Of course, the main body hook arm 12 can also be formed at the left and right sides of the insulating base 1, similar to the structure of the lock member 302, that is, when the rear end position of the main body hook arm 12 is pressed in the left-right direction, the hook portion 121 can be disengaged from the docking module 200.

[0046] The substrate connector solution of the present application can improve the overall service life of the substrate connector, and has stable contact with the docking module 200 and a firm lock, and can be suitable for use in high-vibration environments, such as automobiles, industrial equipment for outdoor operations, etc.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements 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.

[0048] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A substrate connector, characterized in that: include: An insulating base (1) is formed with a docking cavity (101) opening toward the front end along the front-back direction and a locking cavity (102) opening toward the rear end, at least a portion of the docking cavity (101) is connected with at least a portion of the locking cavity (102) along the up-down direction perpendicular to the front-back direction to form a connecting hole (103), and the docking cavity (101) is for inserting a docking module (200); A plurality of terminal pieces (2) are fixed to the insulating base (1), each of the terminal pieces (2) comprising a fixing portion (21), an elastic contact portion (22) and a docking portion (23); The fixing portion (21) is fixedly arranged on the insulating base (1); The elastic contact portion (22) is capable of elastic deformation in the up-down direction, the elastic contact portion (22) is exposed upward to the docking cavity (101), and the elastic contact portion (22) is exposed downward to the locking cavity (102); The docking portion (23) is exposed outside the insulating base (1); The rear cover (3) is formed with a support portion (31), the support portion (31) being inserted into the locking cavity (102) from the rear end opening along the front-to-rear direction, the support portion (31) supporting the elastic contact portion (22) below the elastic contact portion (22) so that the elastic contact portion (22) elastically deforms upward and partially protrudes upward into the docking cavity (101) for electrical contact with the docking module (200).

2. The substrate connector according to claim 1, characterized in that: The elastic contact portion (22) is integrally connected to the fixed portion (21) via a transition portion (24); the elastic contact portion (22) and the fixed portion (21) are arranged opposite to each other in an up-down direction and are spaced apart from each other to form a first spacer cavity (201) that opens rearwards; The support portion (31) is inserted into the first compartment (201) from the back to the front through the opening.

3. The substrate connector according to claim 2, wherein: The transition portion (24) connects the front end edge of the elastic contact portion (22) and the front end edge of the fixing portion (21).

4. The substrate connector according to claim 1, wherein: The fixing portion (21) comprises an upper arm section (211), a lower arm section (212) and a connecting section (25) connecting the upper arm section (211) and the lower arm section (212) in an integral manner in the up-down direction; at least the rear ends of the upper arm section (211) and the lower arm section (212) are spaced apart and arranged opposite to each other in the up-down direction and form a second spacing cavity (202) opening backwards; A first locking portion (2001) is formed on the upper arm section (211) and / or the lower arm section (212), the first locking portion (2001) facing the second compartment (202) along the up-down direction; A second locking portion (2002) is formed on the upper arm section (211) and / or the lower arm section (212), wherein the first locking portion (2001) faces the second compartment (202) along the up-down direction; The first locking portion (2001) and the second locking portion (2002) are arranged at intervals along the front-to-back direction; A locking portion (32) is formed on the rear cover (3), and the locking portion (32) is inserted into the second compartment cavity (202) from the back to the front through the opening; The locking portion (32) can be locked with the first locking portion (2001) so that the rear cover (3) is maintained in the first state position; The locking portion (32) can be locked with the second locking portion (2002) so that the rear cover (3) is maintained in the second state position.

5. The substrate connector according to claim 4, characterized in that: When the rear cover is maintained in the second state position, the support portion (31) is located between the elastic contact portion (22) and the fixing portion (21) along the up-down direction.

6. The substrate connector according to claim 4, characterized in that: When the rear cover (3) is maintained in the first state position, the support portion (31) does not form an upward thrust on the elastic contact portion (22).

7. The substrate connector according to claim 4, characterized in that: When the rear cover (3) is maintained in the second state position, the support portion (31) forms an upward thrust on the elastic contact portion (22), and the elastic contact portion (22) elastically deforms upward.

8. The substrate connector according to claim 4, characterized in that: The first locking portion (2001) is a groove formed by the upper arm section (211) and / or the lower arm section (212) and recessed in the up-down direction away from the second compartment (202); The second locking portion (2002) is a groove that is recessed from the upper arm section (211) and / or the lower arm section (212) along the up-down direction away from the second compartment (202).

9. The substrate connector according to claim 8, characterized in that: The locking portion (32) is a columnar body with a central axis extending along the left-right direction.

10. The substrate connector according to any one of claims 1 to 9, characterized in that: The elastic contact portion (22) comprises a first elastic arm (221) and a second elastic arm (222) which are integrally connected along the front-to-back direction, wherein the first elastic arm (221) is close to the front end, and the second elastic arm (222) is close to the rear end; The angle between the second elastic arm (222) and the front-to-back direction is greater than the angle between the first elastic arm (221) and the front-to-back direction; The support portion (31) is supported below the second elastic arm (222).

11. The substrate connector according to any one of claims 1 to 9, characterized in that: include: The free end of the elastic contact portion (22) protrudes upward to form a contact protrusion (2221); When the docking module (200) is inserted into the docking cavity (101), and the rear cover (3) is inserted into the insulating base (1) from the back to the front until it is completely locked with the insulating base (1) and maintained in a locked state; The contact protrusion (2221) presses upward against the lower surface of the docking module (200) to form a first contact fulcrum; The support portion (31) is supported correspondingly on the lower surface of the second elastic arm (222) to form a second contact fulcrum; Along the front-to-back direction, the first contact fulcrum is located at a rear end position of the second contact fulcrum.

12. The substrate connector according to any one of claims 1 to 9, characterized in that: include: When the docking module (200) is inserted into the docking cavity (101), and the rear cover (3) is inserted into the insulating base (1) from the back to the front until it is completely locked with the insulating base (1) and maintained in a locked state, the upper edge of the elastic contact portion (22) does not contact the insulating base upward.

13. The substrate connector according to any one of claims 1 to 9, characterized in that: The rear cover (3) comprises a main body (301) extending in the left-right direction and a locking member (302) respectively connected to the left and right ends of the main body (301), the locking member (302) comprising a locking arm (3021) extending toward the front end in a cantilever shape, the locking arm (3021) being elastically deformable in the left-right direction and having a locking portion (3022) formed at the front end; The insulating base (1) is respectively provided with locking fitting parts (11) at the left and right sides thereof. When the rear cover (3) is inserted into the insulating base (1) from the back to the front until it is completely locked with the insulating base (1) and maintained in a locked state, the locking part (3022) is snap-fastened with the locking fitting parts (11) to prevent the rear cover (3) from detaching backward from the insulating base (1).

14. The substrate connector according to claim 13, wherein: The locking member (302) further comprises an operating arm (3023) extending toward the rear end in a cantilevered shape, and the locking member (302) is integrally connected to the insulating base (1) via a supporting portion (3024) at a middle position along the front-to-back direction; When the operating arm (3023) is pressed in the left-right direction, the locking arm (3021) can swing in the left-right direction with the supporting portion (3024) as a fulcrum.

15. The substrate connector according to any one of claims 1 to 9, characterized in that: Also includes: A main body hook arm (12) extends in the front-to-back direction, the main body hook arm (12) is integrally connected to the insulating base (1) at a middle position in the front-to-back direction, and the front end of the main body hook arm (12) protrudes into the docking cavity (101) to form a hook portion (121); The hook portion (121) corresponds to and locks with the docking module (200) inserted into the docking cavity (101) to prevent the docking module (200) from being separated from the docking cavity (101). When the rear end position of the main body hook arm (12) is pressed in the left-right direction or the up-down direction, the hook portion (121) can be disengaged from the docking module (200).

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