CN2862369Y - A node connection coupler for circuit experiment - Google Patents

Abstract

The utility model relates to a node connection coupler for circuit experiments, comprising: a base plate, including an insulating base body, a plurality of slots and a plurality of elastic terminals, the plurality of slots are formed on both sides of the insulating base body, a plurality of elastic The terminals are arranged in the slots in a one-to-one correspondence; and the plug-in assembly is used to connect the elastic terminals on both sides of the insulating seat body. The plug-in assembly includes at least two plugs and at least one wire for connecting at least two plugs . The utility model can avoid welding, and is not easy to damage components. The elastic sheet structure can make good contact, and the circuit is convenient to change. The use of the plug-in component can expand the nodes in the original position in multiple layers. Therefore, the connected circuit is small in size and clear in structure. The terminals and wires on the plug-in assembly are covered with rubber insulation layer, so the short circuit can be avoided during operation.

Description

A node connection coupler for circuit experiment

technical field

The utility model relates to a plug-in board for circuit experiments, in particular to a node connection coupler for circuit experiments which facilitates the installation and connection of various separation elements or integrated circuits.

Background technique

In the past node connection method, the integrated circuit is inserted on the socket first, while other discrete components and wires need to be soldered or plugged on the circuit board, as shown in Figures 1A and 1B. Moreover, only one pin can be connected to each node, so it is not easy to carry out expansion connection. The circuit constituted in this way is cumbersome to change by welding and is easy to damage components, and it is not easy to carry out expansion connection, so the circuit structure cannot be reflected intuitively, and the circuit connection structure is not clear. For example, Chinese patent CN2238490Y.

Contents of the invention

The technical problem to be solved by the utility model is to provide a node connection coupler for circuit experiments, to avoid welding, not easy to damage the components, the elastic sheet structure can make the contact good, the circuit modification is convenient, and the use of the plug-in component can make the node in the original The location is expanded by multiple layers, so the connected circuit is small in size and clear in structure. The terminals and wires on the plug-in component are wrapped with rubber insulating layers, so short circuits can be avoided during operation.

In order to achieve the above object, the utility model provides a node connection coupler for circuit experiments, including: a substrate, including an insulating base, a plurality of slots and a plurality of elastic terminals, the plurality of slots are formed on the On both sides of the insulating seat body, the plurality of elastic terminals are arranged in the slots in a one-to-one correspondence; and a plug-in component is used to connect the elastic terminals on both sides of the insulating seat body, which is characterized in that , the plug assembly includes at least two plugs and at least one wire for connecting the at least two plugs.

The above-mentioned node connection coupler is characterized in that a layered portion is provided on the top of the plug, so that a plurality of the plugs are stacked and inserted to realize multi-layer expansion.

The above-mentioned node connection coupler is characterized in that the plug further includes a connecting portion, and the two ends of the wire are respectively connected to the connecting portions of the two plugs.

The above-mentioned node connection coupling is characterized in that a first insulating sheath and a second insulating sheath are sheathed on the outside of the plug-in component, the first insulating sheath is sheathed on the plug, and the second insulating sheath is sheathed on the plug. The leather sheath is arranged on the wire, and the top of the first insulating sheath is the lamination part.

The above-mentioned node connecting coupler is characterized in that a through hole is formed on the first insulating sheath, and the wire is connected to the plug through the through hole.

The above node connection coupling is characterized in that the first insulating sheath is a cylindrical sheath.

The above-mentioned node connection coupling is characterized in that the slots on both sides of the insulating base body are double-row slots arranged side by side, and the double-row slots include a row of inner slots and a row of outer slots, and the inner plugs There is a predetermined horizontal interval between the groove and the outer slot.

The above-mentioned node connection coupling is characterized in that the pins of the elastic terminals corresponding to the inner slot and the outer slot are bent and connected in pairs.

The above-mentioned node connection coupler is characterized in that the elastic terminal includes: a positioning portion at the upper end, an elastic sheet abutting against the positioning portion, and a pin extending downwards formed at the lower end of the positioning portion, and the plug is connected to the positioning portion The spring terminal has the same structure.

The efficacy of the utility model lies in that welding can be avoided, the components are not easy to be damaged, the elastic sheet structure can make the contact good, the circuit modification is convenient, and the use of the plug-in component can expand the node in the original position in multiple layers, so the connected circuit is small and exquisite , The structure is clear, the terminals on the plug-in components and the outside of the wires are wrapped with a rubber insulating layer, so the short circuit can be avoided during operation.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

1A and 1B are structural schematic diagrams of existing node connectors;

Fig. 2A is the schematic diagram of the substrate in the utility model;

Fig. 2B is a schematic cross-sectional view of elastic terminals provided in the substrate of the present invention;

Fig. 3 is a schematic diagram of the plug-in assembly in the utility model;

Fig. 4 is a diagram of the connection relationship between the elastic terminal and the wire of the plug-in assembly in the utility model;

Fig. 5 is a diagram of the usage state of the utility model in an actual experiment.

Detailed ways

Please refer to FIGS. 2A and 2B , which are cross-sectional schematic diagrams of the substrate and the elastic terminals provided in the substrate in the present invention.

As shown in the figure, the node connection coupler for circuit experiments in the present invention includes a substrate 1 and a plug-in assembly, and the substrate 1 includes an insulating base 2, a plurality of slots 4 and a plurality of elastic terminals 6, the plurality Slots 4 are formed on both sides of the insulating base body 2 . In an embodiment of the present utility model, the slots 4 on both sides of the insulating base body 2 are double-row slots arranged side by side, and the double-row slots include a row of inner slots 42 and a row of outer slots 41. There is a predetermined horizontal interval between the inner slot 42 and the outer slot 41 . Each elastic terminal 6 is a metal piece, which is set in the slot 4 in a one-to-one correspondence. The pin 64 at the lower end of the positioning portion 60 . Please refer to FIG. 2B , in the embodiment of the present invention, the pins 64 of the inner slot 42 and the outer slot 41 corresponding to each other are bent and connected in pairs. In this embodiment, the pitch of all the slots 4 is the same as the pin pitch of a standard dual-in-line package integrated circuit (2.54mm/7.62mm) (as shown in FIG. 2A ).

Please refer to FIG. 3 and FIG. 4 , which are schematic diagrams of the plug-in assembly in the present invention and the connection relationship between the plug (in this embodiment, the structure of the plug is the same as that of the elastic terminal on the substrate) and the wire in the plug-in assembly. As shown in the figure, the plug assembly 8 is used to connect the elastic terminals 6 on both sides of the above-mentioned insulating base body 2 . The plug assembly 8 includes at least two plugs and at least one wire 82 for connecting the two plugs. Referring to FIG. 4 , if the elastic terminal in the plug assembly 8 is described, the elastic terminal also includes a positioning portion 60 , an elastic piece 62 and a pin 64 . The plug assembly 8 forms a connecting portion 84 between one end of the elastic piece 62 of the elastic terminal 6 and the bottom end of the positioning portion 60 , and the wire 82 , one end of the elastic piece 62 and the bottom end of the positioning portion 60 are jointly welded to the connecting portion 84 .

As shown in Figure 3, the outside of the plug-in assembly 8 is sheathed with a cylindrical first insulating sheath 86 and a second insulating sheath 88, the first insulating sheath 86 is sheathed on the elastic terminal 6, and the second insulating sheath 88 is sleeved on the wire 82 . A through hole 862 is formed on the first insulating shell 86 , and the wire 82 is welded to the connecting portion 84 through the through hole 862 . In the embodiment of the present utility model, the first insulating sheath 86 and the second insulating sheath 88 are formed integrally, and are made of rubber insulating material.

Please refer to Figure 5. When actually connecting the circuit, not only one or more digital or integrated circuits in standard dual-in-line packages can be connected to the substrate, but also discrete components can be connected. At the same time, the discrete components can be inserted into the slots of the substrate, or can be inserted into the top of the plug of the plug-in assembly to form a multi-layer structure, that is, the top of the first insulating sheath of the plug can be used as a laminated part 80 . When needed, the substrate can be used in multiple pieces. In addition, plug-in components of different colors can be used. Due to the structure of the elastic terminal, the contact is good, and the structure is clear without welding. The stackability of the plug-in components can expand the node to multiple layers in the original position, and the structure is clear.

Certainly, the utility model also can have other various embodiments, under the situation of not departing from the spirit and essence of the utility model, those skilled in the art can make various corresponding changes and distortions according to the utility model, but these Corresponding changes and deformations should all belong to the protection scope of the claims of the present invention.

Claims (9)

1, a kind of joint connecting coupling part for circuit experiment is characterized in that, comprising:

Substrate comprises an insulating base frame, a plurality of slot and a plurality of flexible terminal, and described a plurality of slots are formed at the both sides of described insulating base frame, and described a plurality of flexible terminals are located in the described slot correspondingly; And

Connecting element is connected between the described flexible terminal of described insulating base frame both sides, and described connecting element comprises at least two plugs and at least one lead that is used to connect described at least two plugs.

2, joint connecting coupling spare according to claim 1 is characterized in that, the top of described plug is provided with one and is used for the stacked laminated section that plugs a plurality of described plugs.

3, joint connecting coupling spare according to claim 1 and 2 is characterized in that, described plug also comprises a junction, and the two ends of described lead are connected in the described connecting portion of described two plugs separately.

4, joint connecting coupling spare according to claim 1 and 2, it is characterized in that, the outer cover of this connecting element is provided with first insulation sheath and second insulation sheath, described first insulation sheath is sheathed on the described plug, described second insulation sheath is sheathed on the described lead, and the top of described first insulation sheath is described laminated section.

5, joint connecting coupling spare according to claim 4 is characterized in that, is formed with a through hole on described first insulation sheath, and this lead is connected with this plug by this through hole.

6, joint connecting coupling spare according to claim 4 is characterized in that, this first insulation sheath is cylindrical crust.

7, joint connecting coupling spare according to claim 1 and 2, it is characterized in that, the slot of described insulating base frame both sides respectively is a biserial slot side by side, and described biserial slot comprises a side slot and a row outer slots in the row, has predetermined horizontal interval between described interior side slot and the outer slots.

8, joint connecting coupling spare according to claim 7 is characterized in that, in correspondence with each other the contact pin of flexible terminal is relative in side slot and the outer slots in described bends connection.

9, joint connecting coupling spare according to claim 1 and 2, it is characterized in that, described flexible terminal comprises: the location division of upper end, be resisted against the flexure strip of described location division and extend to form downwards in the contact pin of this lower end, location division, described plug is identical with the structure of described flexible terminal.

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