Modular spring plug-in multi-purpose terminal blocks

Abstract

The present invention discloses a modular spring plug-in multi-purpose terminal block, comprising a terminal main housing, a terminal cover and a terminal socket housing; the characteristics are: the two end sides of the terminal main housing are respectively provided with protrusions, the protrusions are provided with clamping grooves, and the lower end front side of the terminal main housing is provided with a plurality of first clamping grooves; the upper end front side of the terminal cover is provided with a first clamping portion, and the lower two ends of the terminal cover are provided with a second clamping portion; the two end sides of the terminal socket housing are provided with a clamping portion and a second clamping groove, and the lower end front side of the terminal socket housing is provided with a third clamping portion. The present invention is suitable for 2-wire to 24-wire terminals; the terminal main housing is used as a female socket, and can be combined into terminals suitable for different scenarios such as aerial docking, PCB board welding or plug-in welding through different splicing methods, which can reduce the number of molds for producing various types of terminals, and the common structure of the female socket improves installation efficiency and improves product appearance.

Description

Technical Field

[0001] The invention belongs to the technical field of wiring terminals, and in particular relates to a modular spring direct-insertion multi-purpose wiring terminal. Background Art

[0002] Terminal blocks are an accessory product used to achieve electrical connections. With the development of the electronics industry, the scope of use of terminal blocks is expanding, and the types are also increasing. According to different usage scenarios, terminal blocks can be used for aerial docking, PCB board welding, etc. At present, in order to cope with various scenarios, various types of terminal blocks for various scenarios have been developed. Various types of terminal blocks use shells of different models and shapes, and different molds are required to produce these shells, resulting in a large increase in their costs. Summary of the invention

[0003] The object of the present invention is to provide a modular spring plug-in multi-purpose terminal block in view of the above-mentioned deficiencies in the prior art.

[0004] The technical solution adopted by the present invention is: a modular spring plug-in multi-purpose terminal, comprising a terminal main housing with a plurality of row-by-row assembly grooves, a terminal cover plate adapted to the terminal main housing, and a terminal socket housing adapted to the terminal cover plate; the two end sides of the terminal main housing are respectively provided with protruding parts, the protruding parts are provided with axial clamping grooves, and the lower end front side of the terminal main housing is provided with a plurality of first clamping grooves corresponding to the assembly grooves respectively; the upper end front side of the terminal cover is provided with a plurality of first clamping parts respectively matching the first clamping grooves, and the lower ends of the terminal cover are respectively provided with second clamping parts; the two end sides of the terminal socket housing are respectively provided with clamping parts and second clamping grooves matching the second clamping parts, and the lower end front side of the terminal socket housing is provided with a plurality of third clamping parts respectively matching the first clamping grooves; and also includes a fixing member that can be matched and connected with the clamping groove and the clamping part, and the fixing member includes a single fixing member and a combined fixing member formed by integrally connecting a plurality of the fixing members.

[0005] The fixing piece is provided with a clamping pin structure and a clamping ring structure; the upper end of the fixing piece is integrally connected with a limiting strip.

[0006] Limit blocks matching the limit strips are respectively arranged on both end sides of the main housing of the terminal block.

[0007] After adopting the above structure, the advantages of the present invention compared with the prior art are: the present invention is suitable for 2-wire to 24-wire terminal blocks; with the main housing of the terminal block as the female socket, it can be combined into terminal blocks suitable for different application scenarios such as aerial docking, PCB board welding or plug-in welding through different splicing methods, which can reduce the number of molds for producing various types of terminal blocks, and the shared structure of the female socket improves installation efficiency and improves product appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural schematic diagram (explosion diagram) of a single-row integral wiring terminal of the present invention.

[0009] Figure 2 It is a structural schematic diagram of a single-row integral wiring terminal of the present invention (a single-row bent pin assembly diagram).

[0010] Figure 3 It is a structural schematic diagram of a single-row integral wiring terminal of the present invention (a single-row straight pin assembly diagram).

[0011] Figure 4 It is a structural schematic diagram (explosion diagram) of the double-row integral wiring terminal of the present invention.

[0012] Figure 5 It is a structural schematic diagram of the double-row integral wiring terminal of the present invention (double-row straight pin assembly diagram).

[0013] Figure 6 It is a structural schematic diagram of the double-row integral wiring terminal of the present invention (double-row bent pin assembly diagram).

[0014] Figure 7 It is a structural schematic diagram (explosion diagram) of the plug-in terminal of the present invention.

[0015] Figure 8 It is a structural schematic diagram (assembly diagram) of the plug-in terminal of the present invention.

[0016] Fig. 9 It is a structural schematic diagram (explosion diagram) of the direct-welding straight-pin terminal of the present invention.

[0017] Fig.10 It is a structural schematic diagram (assembly diagram) of the direct-welding straight-pin terminal of the present invention.

[0018] Fig.11 It is a structural schematic diagram (explosion diagram) of the direct-welding bent-pin terminal of the present invention.

[0019] Fig.12 It is a structural schematic diagram (assembly diagram) of the direct-welding bent-pin terminal of the present invention. DETAILED DESCRIPTION

[0020] The following description is only a preferred embodiment of the present invention, and does not limit the protection scope of the present invention. The present invention is further described below in conjunction with the drawings and embodiments.

[0021] Embodiment: A modular spring plug-in multi-purpose terminal comprises a terminal main housing 1 having a plurality of row-connected assembly slots, a terminal cover plate 2 adapted to the terminal main housing 1, a terminal socket housing 3 adapted to the terminal cover plate 2, a terminal button 4, a spring 5, a clip 6, a pair of pins 7, a single-row straight pin 8, a single-row bent pin 9, a double-row long bent pin 10, a double-row short bent pin 11, a double-row straight pin 12, a welding bent pin 13, a welding straight pin 14, a terminal welding cover plate 15, a welding straight buckle pin 16, a welding bent buckle pin 17 and a double-row box 18. The two end sides of the main housing 1 of the terminal block are respectively provided with protruding portions 19, and the protruding portions 19 are provided with axial clamping grooves. The front side of the lower end of the main housing 1 of the terminal block is provided with a plurality of first clamping grooves 20 corresponding to the assembly grooves respectively; the front side of the upper end of the terminal cover plate 2 is provided with a plurality of first clamping portions 21 respectively matching the first clamping grooves 20, and the lower sides of the two ends of the terminal cover plate 2 are respectively provided with second clamping portions 22; the two end sides of the terminal socket housing 3 are respectively provided with clamping portions 23 and second clamping grooves 24 matching the second clamping portions 22, and the front side of the lower end of the terminal socket housing 3 is provided with a plurality of third clamping portions 25 respectively matching the first clamping grooves 20. It also includes a fixing member that can be matched and connected with the clamping groove and the clamping portion 23, and the fixing member includes a single fixing member 26 and a combined fixing member 27 formed by connecting two or more fixing members in one piece; the fixing member has a clamping pin structure 28 and a clamping ring structure 29; the upper end of the fixing member is integrally connected to a limit strip 30; and the two end sides of the main housing 1 of the terminal block are respectively provided with limit blocks 31 that match the limit strip 30. The present invention uses the main housing 1 of the terminal block as a female base, and can be combined into a terminal block suitable for different scenarios such as aerial docking, PCB board welding or plug-in welding through different splicing methods. The combination is as follows:

[0022] See Figure 1-3: The spring piece 5 and the clip 6 are riveted together and inserted into the assembly groove of the main housing 1 of the terminal block from the lower end, the terminal button 4 is inserted into the assembly groove of the main housing 1 of the terminal block from the upper end, and the upper end of the terminal cover plate 2 is plugged into the assembly groove of the main housing 1 of the terminal block, so that the first clamping part 21 is clamped into the first clamping groove 20 to achieve a stable connection, and the clamping pin structure 28 of the single fixing member 26 is inserted into the clamping groove of the protruding part, and the combination of the main housing 1 of the terminal block and the terminal cover plate 2 forms a single-row terminal plug body; single The row of curved pins 9 or the single row of straight pins 8 are plugged into the pinhole slots of the terminal socket housing 3 to form a terminal socket body; the terminal plug body is plugged into the terminal socket body, so that the clamping ring structure 29 of the single fixing member 26 is firmly sleeved on the clamping portion 23 of the terminal socket housing 3 to form a single row of integral terminal, wherein the limiting strip 30 of the single fixing member 26 is embedded between the limiting blocks 31 at both ends of the terminal main housing 1, so that the connection between the terminal plug body and the terminal socket body is more stable. By welding the single row of curved pins 9 or the single row of straight pins 8, the wiring function can be realized by welding and installing on the PCB board at 90 degrees or 180 degrees.

[0023] See Figure 4-6 : The spring piece 5 and the clip 6 are riveted into one piece and inserted into the assembly groove of the main housing 1 of the terminal block from the lower end, the terminal button 4 is inserted into the assembly groove of the main housing 1 of the terminal block from the upper end, and the upper end of the terminal cover 2 is plugged into the assembly groove of the main housing 1 of the terminal block, so that the first clamping portion 21 is clamped into the first clamping groove 20 to achieve a stable connection, and the clamping pin structure 28 of the single fixing member 26 is inserted into the clamping groove of the protrusion. The combination of the main housing 1 of the terminal block and the terminal cover 2 forms a single-row terminal plug body, and the two single-row terminal plug bodies are arranged back to back and side by side, and the clamping pin structure 28 of the combined fixing member 27 connected by two fixing members is respectively inserted into the clamping groove of the protrusion 19 to form a double-row plug body of the terminal block; the double-row box 18 is connected to the double-row terminal block through the clamping groove. The socket housing 3 is plugged and connected, and the double-row long curved pins 10 and the double-row short curved pins 11 or the double-row straight pins 12 are respectively plugged and connected with the two terminal socket housings 3 through the pinhole grooves through the double-row box 18 to form a double-row socket body of the terminal; the double-row plug body of the terminal is plugged into the double-row socket body of the terminal, so that the second clamping part 22 of the terminal cover plate 2 is clamped into the second clamping groove 24 of the terminal socket housing 3, and the clamping ring structure 29 of the combined fixing part 27 is firmly sleeved on the clamping part 23 of the terminal socket housing 3 to achieve a stable connection and form a double-row integral terminal, wherein the limit strip 30 of the combined fixing part 27 is embedded between the limit blocks 31 on the two end sides of the terminal main housing 1, so that the connection between the double-row plug body of the terminal and the double-row socket body of the terminal is more stable. By welding the double-row long curved pins 10 and the double-row short curved pins 11 or the double-row straight pins 12, welding and installation on the PCB board are achieved.

[0024] See Figure 7-8 : The spring piece 5 and the clip 6 are riveted together and inserted into the assembly groove of the main housing 1 of the terminal block from the lower end, the terminal button 4 is inserted into the assembly groove of the main housing 1 of the terminal block from the upper end, and the upper end of the terminal cover 2 is plugged into the assembly groove of the main housing 1 of the terminal block, so that the first clamping part 21 is clamped into the first clamping groove 20 to achieve a stable connection, and the clamping pin structure 28 of the single fixing member 26 is inserted into the clamping groove of the protruding part. The combination of the main housing 1 of the terminal block and the terminal cover 2 forms a single row of terminal plug bodies; the spring piece 5 and the pair of pins 7 are riveted together and placed in another main housing 1 of the terminal block. The pair of pins 7 are plugged into the pinhole groove of the socket housing, and the terminal socket housing 3 is connected to the assembly groove of the main housing 1 of the terminal block, so that the third clamping part 25 is clamped into the first clamping groove 20 of the main housing 1 of the terminal block, and the terminal button 4 is inserted into the assembly groove of the main housing 1 of the terminal block from the lower end to form a terminal plug socket. The terminal plug body is plugged into the terminal plug socket, so that the second clamping portion 22 of the terminal cover plate 2 of the terminal plug body is inserted into the second clamping groove 24 of the terminal socket housing 3 of the terminal plug socket, and the clamping ring structure 29 of the single fixing member 26 is firmly sleeved on the clamping portion 23 of the terminal socket housing 3 of the terminal plug socket to form a plug-in terminal, thereby realizing the electronic circuit aerial docking function.

[0025] See Figure 9-12 : The spring piece 5 and the welding straight pin 14 or the welding bent pin 13 are riveted into one and inserted into the assembly groove of the main housing 1 of the terminal from the lower end, the terminal button 4 is inserted into the assembly groove of the main housing 1 of the terminal from the upper end, the terminal welding cover plate 15 is plugged into the lower end of the assembly groove of the main housing 1 of the terminal, and the welding straight buckle pin 16 or the welding bent buckle pin 17 is inserted into the clamping groove of the protrusion 19 on the two end sides of the main housing 1 of the terminal to form a straight welding straight pin terminal or a straight welding bent pin terminal to realize the function of welding and installation on the PCB panel.

Claims

1. A modular spring plug-in multi-purpose terminal block, comprising a terminal main housing having a plurality of row-by-row assembly slots, a terminal cover plate adapted to the terminal main housing, and a terminal socket housing adapted to the terminal cover plate, characterized in that: The two end sides of the main housing of the terminal block are respectively provided with protruding parts, and the protruding parts are provided with axial clamping grooves, and the front side of the lower end of the main housing of the terminal block is provided with a plurality of first clamping grooves corresponding to the assembly grooves respectively; the front side of the upper end of the terminal cover plate is provided with a plurality of first clamping parts respectively matching the first clamping grooves, and the lower sides of the two ends of the terminal cover plate are respectively provided with second clamping parts; the two end sides of the terminal socket housing are respectively provided with clamping parts and second clamping grooves matching the second clamping parts, and the front side of the lower end of the terminal socket housing is provided with a plurality of third clamping parts respectively matching the first clamping grooves; it also includes a fixing member that can be matched and connected with the clamping groove and the clamping member, and the fixing member includes a single fixing member and a combined fixing member formed by integrally connecting a plurality of the fixing members.

2. The modular spring plug-in multi-purpose terminal block according to claim 1, characterized in that: The fixing piece is provided with a clamping pin structure and a clamping ring structure; the upper end of the fixing piece is integrally connected with a limiting strip.

3. A modular spring plug-in multi-purpose terminal block according to claim 1 or 2, characterized in that: Limit blocks matching the limit strips are respectively arranged on both end sides of the main housing of the terminal block.

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