A board-to-board connector facilitating disassembly for maintenance

Abstract

This utility model discloses a board-to-board connector that is easy to disassemble and maintain, including a plug assembly and a socket assembly that are mutually compatible for insertion. The plug assembly includes a plug insulating body, a plug conductive terminal disposed within the plug insulating body, and an unlocking slide. The side wall of the plug insulating body has a mounting groove. The unlocking slide has a mounting groove and a return spring disposed within the mounting groove. The unlocking slide has a first end rod extending to the outside of the plug insulating body's insertion end and a second end rod located within the mounting groove. The two ends of the return spring abut against the second end rod and the bottom of the mounting groove, respectively. The socket assembly includes a socket insulating body, a socket conductive terminal disposed within the socket insulating body, and a snap-fit ​​boss disposed on one side of the socket insulating body. The first end rod has a snap-fit ​​groove, which connects to the snap-fit ​​boss. The overall disassembly and maintenance are convenient, requiring no tools, and it offers high locking reliability and strong conductivity stability.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, specifically to a board-to-board connector that is easy to disassemble and maintain. Background Technology

[0002] In industrial control, automotive electronics, and consumer electronics, board-to-board connectors are core components for signal and current transmission between circuit boards. Their ease of installation and removal, connection reliability, and environmental adaptability directly affect equipment maintenance efficiency and operational stability. Existing board-to-board connectors have several technical shortcomings: inconvenient installation and maintenance, with most products relying on screwdrivers or other tools for unlocking, and complex locking structures that are difficult to operate in confined installation spaces, resulting in time-consuming and costly maintenance; insufficient locking reliability, relying solely on a single spring or clip for fixation, which is prone to loosening under vibration and impact conditions, leading to signal interruption or equipment failure; and inadequate terminal positioning and anti-loosening design, with conductive terminals prone to poor contact due to misalignment or detachment from the insulation body during long-term use, reducing conductivity stability. Utility Model Content

[0003] In order to overcome the shortcomings of existing technical solutions, this utility model provides a board-to-board connector that is easy to disassemble and maintain, which can effectively solve the problems mentioned in the background art.

[0004] The technical solution adopted by this utility model to solve its technical problem is:

[0005] A board-to-board connector that is easy to disassemble and maintain includes a plug assembly and a socket assembly that are mutually compatible and plugged in. The plug assembly includes a plug insulating body, a plug conductive terminal disposed in the plug insulating body, and an unlocking slide. The side wall of the plug insulating body is provided with a mounting groove. The unlocking slide is provided with a mounting groove and a return spring disposed in the mounting groove. The unlocking slide is provided with a first end rod extending to the outside of the plug insulating body's plug-in end and a second end rod located in the mounting groove. The two ends of the return spring abut against the second end rod and the bottom of the mounting groove, respectively.

[0006] The socket assembly includes a socket insulating body, a socket conductive terminal disposed within the socket insulating body, and a snap-fit ​​boss disposed on one side of the socket insulating body. The first end rod has a snap-fit ​​groove, which is connected to the snap-fit ​​boss.

[0007] As a further description of the above technical solution, one side of the reset spring is provided with an operating protrusion, the operating protrusion passes through the mounting groove and extends to the plug insulation body, the end of the operating protrusion near the reset spring is provided with a snap ring for keeping the reset spring in a compressed state, and the outer surface of the operating protrusion is provided with anti-slip texture and slides in the extending direction.

[0008] As a further description of the above technical solution, the end of the plug insulation body is provided with a plurality of guide posts, and the end of the socket insulation body is provided with corresponding guide holes.

[0009] As a further description of the above technical solution, the end of the plug insulating body is provided with an anti-disengagement protrusion, and the outer wall of the plug conductive terminal is provided with an anti-disengagement groove adapted to the anti-disengagement protrusion. The anti-disengagement protrusion is inserted into the anti-disengagement groove to form an interference fit.

[0010] As a further description of the above technical solution, a positioning groove is formed on the inner wall of the terminal hole of the socket insulation body, and a matching positioning protrusion is provided on the outer wall of the conductive terminal of the plug. The positioning protrusion is inserted into the positioning groove and extends along the depth direction of the terminal hole.

[0011] As a further description of the above technical solution, a silicone rubber sealing sleeve is fitted on the outer wall of the guide post, and the outer wall of the sealing sleeve is tightly fitted with the inner wall of the guide hole to form a sealing structure.

[0012] As a further description of the above technical solution, a limiting flange is provided at the opening of the mounting groove, and a limiting groove that matches the limiting flange is provided on the outer wall of the unlocking slide block.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The board-to-board connector of this utility model, which is easy to disassemble and maintain, has at least one of the following beneficial effects during use:

[0015] Firstly, it is easy to disassemble and maintain without tools. The anti-slip textured operating protrusion on the outer surface works in conjunction with the unlocking slide. Pulling it separates the locking slot from the locking protrusion, and pushing it completes the insertion and locking, significantly reducing maintenance time and labor costs. Secondly, it offers high locking reliability. The return spring provides locking elasticity, and the locking ring and ratchet structure on the operating protrusion prevent the return spring from accidentally rebounding. The limiting flange restricts the travel of the unlocking slide, preventing it from disengaging or the spring from being overstretched. It can adapt to vibration, impact, and other working conditions, eliminating loosening failures. Thirdly, it has strong conductivity stability. The anti-disengagement protrusion on the plug insulation body and the anti-disengagement groove on the conductive terminal are interference-fitted to prevent the terminal from falling off. The positioning groove of the socket terminal hole and the positioning protrusion of the plug terminal are matched to prevent terminal misalignment, effectively reducing contact resistance and reducing poor contact problems. Fourthly, it has excellent environmental adaptability. The silicone rubber sealing sleeve on the outer wall of the guide post fits tightly with the guide hole, blocking dust and moisture intrusion. It is suitable for harsh environments such as industrial and automotive applications, comprehensively improving the user experience and service life of the connector. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall installation structure of a board-to-board connector that is easy to disassemble and maintain according to this utility model;

[0017] Figure 2 This is a schematic diagram of the end structure of the plug assembly of a board-to-board connector that is easy to disassemble and maintain according to the present invention;

[0018] Figure 3 This is a schematic diagram of the end structure of the socket assembly of a board-to-board connector that is easy to disassemble and maintain according to this utility model;

[0019] Figure 4 This is a side view of the plug assembly of a board-to-board connector that is easy to disassemble and maintain according to the present invention.

[0020] Figure 5 This is a perspective structural diagram of the plug assembly of a board-to-board connector that is easy to disassemble and maintain according to this utility model.

[0021] Numbering on the map:

[0022] 1. Plug assembly; 101. Plug insulating body; 102. Plug conductive terminal; 103. Unlocking slide; 104. Mounting groove; 105. Return spring; 106. First end rod; 107. Second end rod; 108. Snap-fit ​​groove; 109. Limiting flange; 110. Limiting slide groove; 111. Guide post; 112. Positioning protrusion; 113. Anti-disengagement groove; 2. Socket assembly; 201. Socket insulating body; 202. Socket conductive terminal; 203. Snap-fit ​​boss; 204. Positioning groove; 205. Anti-disengagement boss; 206. Guide hole; 3. Operating protrusion; 301. Snap-fit ​​ring; 302. Anti-slip texture. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figure 1-5As shown, this utility model provides a board-to-board connector that is easy to disassemble and maintain, including a plug assembly 1 and a socket assembly 2 that are mutually compatible and plug-in. The plug assembly 1 includes a plug insulating body 101, a plug conductive terminal 102 disposed in the plug insulating body 101, and an unlocking slide 103. The side wall of the plug insulating body 101 is provided with a mounting groove 104. The unlocking slide 103 is provided with a mounting groove 104 and a return spring 105 disposed in the mounting groove 104. The unlocking slide 103 is provided with a first end rod 106 extending to the outside of the plug-in end of the plug insulating body 101 and a second end rod 107 located in the mounting groove 104. The two ends of the return spring 105 abut against the second end rod 107 and the bottom of the mounting groove 104, respectively.

[0025] In plug assembly 1, the unlocking slide 103 is mounted on the side wall of plug insulation body 101 via mounting groove 104. The two ends of the return spring 105 abut against the second end rod 107 of the unlocking slide 103 and the bottom of the mounting groove 104, respectively. At this time, the return spring 105 is in a natural or slightly compressed state. The first end rod 106 of the unlocking slide 103 extends to the outside of the plug insertion end of plug insulation body 101, and the locking groove 108 is in an open state. When the operating protrusion 3 is not subjected to external force, its locking ring 301 does not lock the return spring 105, and the ratchet structure is in an unengaged state.

[0026] The socket assembly 2 includes a socket insulating body 201, a socket conductive terminal 202 disposed in the socket insulating body 201, and a snap-fit ​​boss 203 disposed on one side of the socket insulating body 201. The first end rod 106 has a snap-fit ​​groove 108, which is connected to the snap-fit ​​boss 203.

[0027] When the plug assembly 1 and the socket assembly 2 are plugged into the locked state, the locking boss 203 engages with the locking groove 108, and the return spring 105 is compressed; when the unlocking slide 103 is pulled away from the socket assembly 2, the locking groove 108 disengages from the locking boss 203, and the return spring 105 is in a natural or slightly compressed state.

[0028] The guide post 111 of the plug insulation body 101 is precisely matched with the guide hole 206 of the socket insulation body 201. The silicone rubber sealing sleeve enters the guide hole 206 along with the guide post 111, initially achieving "mechanical alignment + sealing pre-contact" to avoid misalignment and collision between the plug conductive terminal 102 and the socket conductive terminal 202.

[0029] As the insertion depth increases, the locking boss 203 of the socket assembly 2 contacts the first end rod 106 of the unlocking slide 103, pressing the inner wall of the locking groove 108, forcing the unlocking slide 103 to slide away from the insertion end along the mounting groove 104; during the sliding process, the second end rod 107 of the unlocking slide 103 compresses the return spring 105 until the locking boss 203 is fully engaged in the locking groove 108.

[0030] The compression force of the return spring 105 acts in the opposite direction on the second end rod 107, making the locking groove 108 and the locking boss 203 fit tightly (with an interference fit tendency); at the same time, pressing the operating protrusion 3 causes its locking ring 301 to lock the return spring 105 in a compressed state, and the ratchet structure on the sliding path of the operating protrusion 3 engages to prevent the operating protrusion 3 from accidentally protruding and causing the return spring 105 to rebound, thus achieving reliable locking of the plug and socket.

[0031] Furthermore, the return spring 105 has an operating protrusion 3 on one side. The operating protrusion 3 passes through the mounting groove 104 and extends to the outside of the plug insulation body 101. The end of the operating protrusion 3 near the return spring 105 has a snap ring 301 for keeping the return spring 105 in a compressed state. The outer surface of the operating protrusion 3 has anti-slip texture 302 and slides in the extending direction.

[0032] When the operating protrusion 3 is pulled out in the extending direction by external force, the return spring 105 is in the unlocked state, causing its first end rod 106 to retract. At the same time, the locking groove 108 separates from the locking protrusion 203, thereby achieving quick disassembly. Conversely, after the plug assembly 1 is inserted into the socket assembly 2, the operating protrusion 3 is pressed down to lock the return spring 105, thereby firmly locking the plug assembly 1 and the socket assembly 2. When the plug assembly 1 and the socket assembly 2 are locked, the operating protrusion 3 is kept fixed by the ratchet structure provided in its sliding path, preventing the operating protrusion 3 from protruding and causing the return spring 105 to disengage from the compressed state.

[0033] Pull the operating protrusion 3 (the anti-slip texture 302 on the outer surface increases friction and facilitates the application of force) away from the socket assembly 2. The operating protrusion 3 drives the unlocking slide 103 to slide against the elastic force of the return spring 105. The ratchet structure disengages, and the locking ring 301 releases the return spring 105.

[0034] As the unlocking slide 103 slides, the inner wall of the locking groove 108 gradually separates from the locking boss 203, and the reset spring 105 returns from the compressed state to the natural or slightly compressed state; at this time, the plug assembly 1 loses its locking constraint and can be easily pulled out along the direction of the guide post 111 to complete the disassembly.

[0035] The spring force of the return spring 105 ensures a tight fit between the locking groove 108 and the locking boss 203. The locking ring 301 and ratchet structure of the operating protrusion 3 prevent the return spring 105 from accidentally rebounding. At the same time, the limiting flange 109 limits the slide travel to avoid structural failure.

[0036] Furthermore, the end of the plug insulating body 101 is provided with a plurality of guide posts 111, and the end of the socket insulating body 201 is provided with corresponding guide holes 206.

[0037] Furthermore, the end of the plug insulating body 101 is provided with an anti-disengagement protrusion 205, and the outer wall of the plug conductive terminal 102 is provided with an anti-disengagement groove 113 adapted to the anti-disengagement protrusion 205. The anti-disengagement protrusion 205 is inserted into the anti-disengagement groove 113 and forms an interference fit.

[0038] The anti-disengagement protrusion 205 of the plug insulation body 101 engages with the anti-disengagement groove 113 of the plug conductive terminal 102, and the two are in an interference fit to prevent the conductive terminal from falling off the insulation body during insertion, removal, or vibration, thus ensuring structural integrity. The interference fit between the anti-disengagement protrusion 205 and the anti-disengagement groove 113 prevents the conductive terminal from falling off; the guiding fit between the positioning groove 204 and the positioning protrusion 112 avoids terminal misalignment and wear; the limiting flange 109 prevents the unlocking slide 103 from disengaging or the spring from being over-compressed, reducing structural damage.

[0039] Furthermore, the inner wall of the terminal hole of the socket insulation body 201 is provided with a positioning groove 204, and the outer wall of the plug conductive terminal 102 is provided with a matching positioning protrusion 112. The positioning protrusion 112 is inserted into the positioning groove 204 and extends along the depth direction of the terminal hole.

[0040] The positioning groove 204 of the socket terminal hole cooperates with the positioning protrusion 112 of the plug conductive terminal 102 to ensure that the terminal is in the preset position after insertion, avoid poor contact caused by terminal misalignment, reduce contact resistance, and ensure conductivity stability.

[0041] The axial guiding design of the positioning groove 204 and the positioning protrusion 112 ensures that the contact area between the plug conductive terminal 102 and the socket conductive terminal 202 is stable, avoiding "point contact" or "poor connection" caused by misalignment; the anti-disconnection structure ensures that the terminals are not loose, further reducing the contact resistance.

[0042] Furthermore, the outer wall of the guide post 111 is fitted with a silicone rubber sealing sleeve, and the outer wall of the sealing sleeve is tightly fitted with the inner wall of the guide hole 206 to form a sealing structure.

[0043] The silicone rubber sealing sleeve on the outer wall of the guide post 111 fits tightly against the inner wall of the guide hole 206 to form an annular sealing surface, which can prevent dust and moisture from entering the connector and is suitable for harsh environments such as industrial and automotive applications.

[0044] Furthermore, the mounting groove 104 is provided with a limiting flange 109 at the groove opening, and the outer wall of the unlocking slide block 103 is provided with a limiting groove 110 that matches the limiting flange 109.

[0045] When locking, simply push the plug assembly 1 to engage; when unlocking, simply pull the operating protrusion 3 to disengage, without the need for screwdrivers or other tools. The anti-slip texture 302 on the operating protrusion 3 further enhances the ease of applying force.

[0046] When the unlocking slide 103 slides, the limiting flange 109 moves within the limiting groove 110 and abuts against both ends of the groove to limit the sliding stroke. During the sliding process of the unlocking slide 103, the limiting flange 109 of the mounting groove 104 of the plug insulation body 101 moves synchronously within the limiting groove 110 of the unlocking slide 103. When the slide reaches the maximum sliding stroke (unlocking limit), the limiting flange 109 abuts against both ends of the groove to prevent the unlocking slide 103 from dislodging from the mounting groove 104 or the return spring 105 from being overstretched and damaged.

[0047] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A board-to-board connector that is easy to disassemble and maintain, characterized in that: The device includes a plug assembly and a socket assembly that are compatible with each other. The plug assembly includes a plug insulating body, a plug conductive terminal disposed in the plug insulating body, and an unlocking slide. The side wall of the plug insulating body is provided with a mounting groove. The unlocking slide is provided with a mounting groove and a return spring disposed in the mounting groove. The unlocking slide is provided with a first end rod extending to the outside of the plug-in end of the plug insulating body and a second end rod located in the mounting groove. The two ends of the return spring abut against the second end rod and the bottom of the mounting groove, respectively. The socket assembly includes a socket insulating body, a socket conductive terminal disposed within the socket insulating body, and a snap-fit ​​boss disposed on one side of the socket insulating body. The first end rod has a snap-fit ​​groove, which is connected to the snap-fit ​​boss.

2. The board-to-board connector for easy disassembly and maintenance according to claim 1, characterized in that: The return spring has an operating protrusion on one side, which passes through the mounting groove and extends to the plug insulation body. The end of the operating protrusion near the return spring has a snap ring for keeping the return spring in a compressed state. The outer surface of the operating protrusion has anti-slip texture and slides in the extending direction.

3. The board-to-board connector for easy disassembly and maintenance according to claim 1, characterized in that: The end of the plug insulation body is provided with several guide posts, and the end of the socket insulation body is provided with corresponding guide holes.

4. A board-to-board connector for easy disassembly and maintenance according to claim 1, characterized in that: The end of the plug insulation body is provided with an anti-disengagement protrusion, and the outer wall of the plug conductive terminal is provided with an anti-disengagement groove adapted to the anti-disengagement protrusion. The anti-disengagement protrusion is inserted into the anti-disengagement groove to form an interference fit.

5. A board-to-board connector for easy disassembly and maintenance according to claim 1, characterized in that: The inner wall of the terminal hole of the socket insulation body is provided with a positioning groove, and the outer wall of the plug conductive terminal is provided with a matching positioning protrusion. The positioning protrusion is inserted into the positioning groove and extends along the depth direction of the terminal hole.

6. A board-to-board connector for easy disassembly and maintenance according to claim 3, characterized in that: The outer wall of the guide post is fitted with a silicone rubber sealing sleeve, and the outer wall of the sealing sleeve is tightly fitted with the inner wall of the guide hole to form a sealing structure.

7. A board-to-board connector for easy disassembly and maintenance according to claim 1, characterized in that: The mounting groove is provided with a limiting flange at the opening, and the outer wall of the unlocking slide is provided with a limiting groove that matches the limiting flange.

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