Wiring terminal
By designing a terminal block including conductive sheet, wiring bolts and nuts, the problem of existing terminal blocks being prone to cracking and loosening when subjected to large torque is solved, a more compact and firm connection is achieved, and the convenience of assembly and installation is improved.
Patent Information
- Application Number
- CN202420836264.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-19
AI Technical Summary
The structural design of existing terminals is unreasonable, which leads to the wiring seat being easily cracked when subjected to large torque, the wiring screw assembly and the wiring seat are easily loosened and fall off, and the connection with the circuit board is not compact, which makes it easy to loosen and poor contact.
A terminal block is designed including a wiring seat and a plurality of sets of wiring bolt components arranged between spaced. The wiring bolt assembly is composed of a conductive sheet, a wiring bolt, and a nut. The contact part of the conductive sheet is fastened to the support bump of the wiring seat, the nut is fitted in the accommodating groove, and the other end of the conductive sheet has a pin portion that is plugged into the circuit board.
Through the tight buckle between the conductive sheet and the wiring seat and the nut fit design, the connection between the wiring bolt assembly and the wiring seat is ensured to be more compact and firm, and is convenient to assemble and install, which improves the structural simplicity, performance stability and connection reliability of the wiring terminals.
Smart Images
Figure CN222673454U_ABST
Abstract
Description
Technical Field
[0001] The utility model specifically relates to a wiring terminal. Background Art
[0002] The terminal block is a kind of accessory product used to achieve electrical connection, which is classified as a connector in the industry. With the increasing degree of industrial automation and the increasingly stringent and precise requirements for industrial control, the use of terminal blocks has gradually increased. With the development of the electronics industry, the scope of use of terminal blocks has become more and more extensive, and there are more and more types. The terminal block includes a terminal block and a terminal screw assembly arranged on the terminal block. The structural design of the existing terminal block is unreasonable. When the terminal screw assembly is subjected to a large torque, the terminal block is prone to cracking, and the terminal screw assembly and the terminal block are prone to loosening and falling off, so that the terminal block has the defect of unreliable connection. In addition, the connection between the terminal block and the circuit board is not compact, and the terminal block and the circuit board are prone to loosening, so that the terminal block and the circuit board are prone to poor contact. Summary of the invention
[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a wiring terminal with simple structure, stable and reliable performance, convenient assembly and reliable connection.
[0004] To achieve the above-mentioned purpose, the utility model adopts a wiring terminal, including a wiring seat, a plurality of wiring bolt assemblies arranged on the wiring seat at intervals, the wiring bolt assembly including a conductive sheet, a wiring bolt, and a nut arranged on the wiring seat, a supporting protrusion is arranged on the wiring seat corresponding to the conductive sheet, the supporting protrusion is provided with a receiving groove matching the nut, the nut is embedded in the receiving groove, one end of the conductive sheet has a contact portion that is buckled on the supporting protrusion, the contact portion is provided with a through hole for the wiring bolt to pass through, the wiring bolt passes through the through hole and is connected to the nut, and the other end of the conductive sheet has two pins exposed outside the wiring seat and plugged into the circuit board.
[0005] The beneficial effects of the above structure are: the contact portion of the conductive sheet is buckled on the supporting protrusion of the terminal block, thereby ensuring that the connection between the conductive sheet and the terminal block is more compact, and the nut is embedded in the receiving groove of the supporting protrusion, the contact area between the nut and the terminal block is large, the nut can withstand a large torque, and the nut is not easy to loosen or fall off, thereby ensuring that the connection between the terminal bolt assembly and the terminal block is more compact and firm. The terminal bolt assembly adopts a modular structure design, which facilitates the assembly of the terminal bolt assembly and the terminal block, and the assembly is more convenient. The conductive sheet has a pin portion that is plugged into the circuit board, which facilitates the installation of the terminal and the circuit board, and the installation is more convenient. Therefore, the terminal has the advantages of simple structure, stable and reliable performance, convenient assembly, and reliable connection.
[0006] In particular, a plug-in column matching the circuit board is provided on one side of the plug-in portion corresponding to the conductive sheet on the terminal block, and the plug-in column is plugged into the circuit board to form a snap-fitting fit between the plug-in column and the circuit board. The terminal block is plugged into the circuit board through the plug-in column, thereby facilitating the assembly of the terminal block and the circuit board, and ensuring a more secure connection between the terminal block and the circuit board, which is beneficial to improving the connection reliability between the terminal block and the circuit board.
[0007] In particular, one end of the contact portion has a vertically bent plug portion, and a plug slot is provided on the wiring seat corresponding to one side of the supporting protrusion, and the plug portion is inserted into the plug slot, and a snap fit between the plug portion and the wiring seat is formed. The plug portion of the contact portion is inserted into the plug slot of the wiring seat, which facilitates the assembly of the conductive sheet and the wiring seat, and can ensure that the connection between the conductive sheet and the wiring seat is more secure.
[0008] In particular, the wiring seat is provided with a partition plate which is separated between the pin parts of the plurality of wiring bolt assemblies. The partition plate can increase the insulation distance between the plurality of wiring bolt assemblies, which is beneficial to improve the working reliability of the wiring terminal.
[0009] In particular, a reinforcing rib is provided on one side of the partition, which can enhance the strength of the partition and is beneficial to improving the working reliability of the terminal.
[0010] In particular, the two pins of the conductive sheet are provided with guiding slopes on both sides, respectively, which can guide the conductive sheet, thereby facilitating the plugging of the conductive sheet with the circuit board, and thus facilitating the installation of the terminal block with the circuit board.
[0011] In particular, the conductive sheet is provided with limit slots on both sides, the limit slots are engaged in the wiring seat, and form a clamping fit between the conductive sheet and the wiring seat. The limit slots of the conductive sheet are engaged in the wiring seat, and the conductive sheet is not easy to loosen or fall off, thereby ensuring a more secure connection between the conductive sheet and the wiring seat. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a stereogram of an embodiment of the utility model.
[0013] Figure 2 This is a cross-sectional view of an embodiment of the utility model.
[0014] Figure 3 This is an exploded view of an embodiment of the utility model. DETAILED DESCRIPTION
[0015] like Figures 1 to 3As shown, the embodiment of the utility model is a terminal block, comprising a terminal block 10, and a plurality of terminal bolt assemblies 20 arranged on the terminal block 10 at intervals, wherein the terminal bolt assembly 20 comprises a conductive sheet 21, a terminal bolt 22, and a nut 23 arranged on the terminal block 10, wherein a support protrusion 11 is arranged on the terminal block 10 corresponding to the conductive sheet 21, and a receiving groove 111 matching the nut 23 is arranged on the support protrusion 11, and the nut 23 is embedded in the receiving groove 111, and one end of the conductive sheet 21 has a contact portion 211 that is buckled on the support protrusion 11, and the contact portion 211 is provided with a through hole 212 for the terminal bolt 22 to pass through, and the terminal bolt 22 passes through the through hole 212 and is connected to the nut 23, and the other end of the conductive sheet 21 has two pin portions 213 exposed outside the terminal block 10 and plugged into the circuit board. The plug-in column 12 that matches the circuit board is provided on one side of the plug-in portion 213 of the conductive sheet 21 of the terminal block 10. The plug-in column 12 is plugged into the circuit board and forms a snap-fitting fit between the plug-in column 12 and the circuit board. The terminal block is plugged into the circuit board through the plug-in column, thereby facilitating the assembly of the terminal block and the circuit board, and ensuring a more secure connection between the terminal block and the circuit board, which is beneficial to improving the connection reliability between the terminal block and the circuit board.
[0016] like Figure 2 and 3 As shown, one end of the contact portion 211 has a vertically bent plug portion 214, and a plug slot 112 is provided on the wiring seat 10 at one side corresponding to the support protrusion 11, and the plug portion 214 is inserted into the plug slot 112, and constitutes a snap fit between the plug portion 214 and the wiring seat 10. The plug portion of the contact portion is inserted into the plug slot of the wiring seat, which is convenient for assembling the conductive sheet and the wiring seat, and can ensure that the connection between the conductive sheet and the wiring seat is more secure. The wiring seat 10 is provided with a partition 13 that is separated between the pin portions 213 of multiple groups of wiring bolt assemblies 20. The partition can increase the insulation spacing between the multiple groups of wiring bolt assemblies, which is conducive to improving the working reliability of the wiring terminal. A reinforcing rib 131 is provided on one side of the partition 13. The reinforcing rib can enhance the strength of the partition, which is conducive to improving the working reliability of the wiring terminal. Guide slopes 2131 are respectively provided on both sides of the two pin portions 213 of the conductive sheet 21. The guiding slope can guide the conductive sheet, so as to facilitate the plugging of the conductive sheet and the circuit board, thereby facilitating the installation of the terminal block and the circuit board. The conductive sheet 21 is provided with limit slots 215 on both sides, and the limit slots 215 are engaged in the wiring seat 10, and constitute the clamping fit between the conductive sheet 21 and the wiring seat 10. The limit slots of the conductive sheet are engaged in the wiring seat, and the conductive sheet is not easy to loosen or fall off, thereby ensuring a more secure connection between the conductive sheet and the wiring seat.
[0017] The contact portion of the conductive sheet is buckled on the supporting protrusion of the terminal block, thereby ensuring that the connection between the conductive sheet and the terminal block is more compact, and the nut is embedded in the receiving groove of the supporting protrusion, the contact area between the nut and the terminal block is large, the nut can withstand a large torque, and the nut is not easy to loosen or fall off, thereby ensuring that the connection between the terminal bolt assembly and the terminal block is more compact and firm. The terminal bolt assembly adopts a modular structure design, which facilitates the assembly of the terminal bolt assembly and the terminal block, and the assembly is more convenient. The conductive sheet has a pin portion that is plugged into the circuit board, which facilitates the installation of the terminal and the circuit board, and the installation is more convenient. Therefore, the terminal has the advantages of simple structure, stable and reliable performance, convenient assembly, and reliable connection.
Claims
1. A terminal block, comprising a terminal block, and a plurality of terminal bolt assemblies arranged on the terminal block at intervals, characterized in that: The terminal bolt assembly includes a conductive sheet, a terminal bolt, and a nut arranged on a terminal seat. A supporting protrusion is arranged on the terminal seat corresponding to the conductive sheet. The supporting protrusion is provided with a receiving groove matching the nut. The nut is embedded in the receiving groove. One end of the conductive sheet has a contact portion that is buckled on the supporting protrusion. The contact portion is provided with a through hole for the terminal bolt to pass through. The terminal bolt passes through the through hole and is connected to the nut. The other end of the conductive sheet has two pins exposed outside the terminal seat and plugged into the circuit board.
2. The terminal block according to claim 1, characterized in that: A plug-in post matched with the circuit board is arranged at one side of the plug-in portion corresponding to the conductive sheet on the wiring seat. The plug-in post is plugged into the circuit board to form a snap-fit fit between the plug-in post and the circuit board.
3. The terminal block according to claim 1 or 2, characterized in that: One end of the contact portion has a vertically bent insert portion, and a plug slot is provided on the wiring seat corresponding to one side of the supporting protrusion. The insert portion is inserted into the plug slot to form a snap fit between the insert portion and the wiring seat.
4. The terminal block according to claim 1 or 2, characterized in that: The wiring seat is provided with a partition plate which is separated between the pin parts of the plurality of wiring bolt assemblies.
5. The connection terminal according to claim 4, characterized in that: A reinforcing rib is arranged on one side of the partition.
6. The connecting terminal according to claim 1 or 2, characterized in that: Guide slopes are respectively arranged on both sides of the two pin portions of the conductive sheet.
7. The connecting terminal according to claim 1 or 2, characterized in that: Limiting slots are respectively arranged on both sides of the conductive sheet, and the limiting slots are engaged in the wiring seat to form a clamping fit between the conductive sheet and the wiring seat.