Splicing terminal block

Abstract

The utility model discloses a terminal block capable of being spliced, which comprises a plurality of plastic monomers, each plastic monomer is provided with a terminal piece and an elastic piece, the terminal piece is used for being connected with an external lead, and the elastic piece is used for clamping the external lead; and a plurality of plastic monomers can be spliced to form a combined terminal block. The splicable terminal block is simple in structure, and a plurality of plastic monomers can be spliced at will to form terminal blocks with different Pin numbers only by designing and manufacturing a mold for producing one plastic monomer, so that the production efficiency of the terminal block is improved, and the manufacturing cost of the terminal block, the manufacturing cost of the mold and the inventory cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, and in particular discloses a splicable terminal block. Background Art

[0002] Terminal blocks are electronic components used for circuit connection, also called terminal strips, electrical connectors, etc. Existing terminal blocks are basically products with fixed pin numbers and complex structures. Each design and production of a terminal block with a different pin number requires the design and manufacture of different molds, which increases the design time and manufacturing cost of the molds, thereby increasing the production cost of the terminal block and reducing the production efficiency of the terminal block; and the need to design and manufacture different molds will also increase the mold inventory, causing the inventory cost to rise. Utility Model Content

[0003] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a splicable terminal block with a simple structure. It only requires designing and manufacturing a mold for producing a plastic monomer, and multiple plastic monomers can be arbitrarily spliced ​​together to form terminal blocks with different numbers of pins, thereby improving the production efficiency of the terminal block and reducing the manufacturing cost of the terminal block as well as the manufacturing cost and inventory cost of the mold.

[0004] To achieve the above-mentioned purpose, the utility model provides a splicable terminal block, including multiple plastic monomers, each of which is provided with a terminal piece and a spring sheet, the terminal piece is used to connect external wires, and the spring sheet is used to clamp the external wires; multiple plastic monomers can be spliced ​​to form a combined terminal block.

[0005] Specifically, a plurality of connection pillars are disposed on one side of the plastic monomer, and the plurality of connection pillars are dispersedly disposed and protrude outward from the side surface of the plastic monomer.

[0006] Specifically, a plurality of connection grooves are arranged on the other side of the plastic monomer, and the plurality of connection grooves are arranged corresponding to the plurality of connection pillars one by one, and the plurality of connection pillars are opposite to the plurality of connection grooves. The plurality of connection pillars of one plastic monomer are inserted into the plurality of connection grooves of another plastic monomer to realize the splicing of the two plastic monomers.

[0007] Specifically, the plastic monomer is provided with a receiving groove for installing the terminal piece and the spring sheet, the receiving groove and the plurality of connecting pillars are located on the same side, and the receiving groove is located between the plurality of connecting pillars.

[0008] Specifically, it also includes a plastic cover, and a plurality of the connecting grooves are arranged on one side of the plastic cover, and the plurality of the connecting grooves are plugged into a plurality of connecting columns of one of the plastic monomers so that the plastic cover covers the containing groove.

[0009] Specifically, the plastic monomer is further provided with a first plug hole and a second plug hole, the first plug hole and the second plug hole are respectively connected to the accommodating groove, and the first plug hole and the second plug hole are both used for plugging in external wires.

[0010] Specifically, the plastic monomer is further provided with a first pin hole and a second pin hole, the first pin hole and the second pin hole are respectively connected to the accommodating groove, and the first pin hole and the second pin hole are both used for allowing the pins of the terminal to extend out of the plastic monomer.

[0011] Specifically, each plastic unit is provided with two spring sheets, and the two spring sheets are respectively provided corresponding to the first plug hole and the second plug hole.

[0012] Specifically, the plastic cover is further provided with a central column, the central column and the plurality of connecting grooves are located on the same side, and the central column is formed by protruding outward from the side surface of the plastic cover.

[0013] Specifically, the plastic monomer is provided with a central groove, the central groove and the plurality of connecting columns are located on the same side, and the central groove is used to accommodate the central column.

[0014] Beneficial effects of the utility model: The splicable terminal block described in the utility model includes a plurality of plastic monomers, each of which is provided with a terminal piece and a spring piece, the terminal piece is used to connect external wires, and the spring piece is used to clamp external wires; a plurality of plastic monomers can be spliced ​​together to form a terminal block in a combined form. The splicable terminal block has a simple structure, and only needs to design and manufacture a mold for producing a plastic monomer, and a plurality of plastic monomers can be spliced ​​together arbitrarily to form a terminal block with different pin numbers, which improves the production efficiency of the terminal block and reduces the manufacturing cost of the terminal block, the manufacturing cost of the mold, and the inventory cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the combined terminal block of the utility model;

[0016] Figure 2 It is a left-side structural schematic diagram of the plastic monomer of the utility model;

[0017] Figure 3 This is a schematic diagram of the exploded structure of a single terminal block of the present invention.

[0018] Reference numerals include:

[0019] 1—Plastic monomer 2—Terminal 3—Spring

[0020] 4—Plastic cover

[0021] 11—Connecting column 12—Connecting groove 13—Accommodating groove

[0022] 14—first jack 15—second jack 16—first pin hole

[0023] 17—second pin hole 18—center groove 41—center column. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0025] See also Figures 1 to 3 As shown, a terminal block that can be spliced ​​in the utility model includes a plurality of plastic monomers 1, the side view of the plastic monomer 1 is diamond-shaped, each plastic monomer 1 is provided with a terminal piece 2 and a spring 3, the terminal piece 2 includes a main body and a pin, the pin is used to electrically connect the PCB board of the device, the main body of the terminal piece 2 is used to connect the external wire, and the spring 3 is used to clamp the external wire; a plurality of plastic monomers 1 can be spliced ​​to form a terminal block in a combined form. In this embodiment, each plastic monomer 1 is assembled with a terminal piece 2 and two springs 3 to form an independent terminal block with two sockets, and the user can splice and combine multiple independent terminal blocks to form a multi-hole terminal block according to actual needs.

[0026] The splicable terminal block has a simple structure, few parts and a simple manufacturing process. It only requires designing and manufacturing a mold for producing a plastic monomer 1, and multiple plastic monomers 1 can be arbitrarily spliced ​​together to form terminal blocks with different numbers of pins. The assembly is simple, which improves the production efficiency of the terminal block and reduces the manufacturing cost of the terminal block as well as the manufacturing cost and inventory cost of the mold.

[0027] See also Figures 2 to 3 As shown, a plurality of connecting posts 11 are disposed on one side of the plastic monomer 1. The plurality of connecting posts 11 are dispersedly disposed and protrude outward from the side of the plastic monomer 1. The plurality of connecting posts 11 are all integrated with the plastic monomer 1. The length of the connecting post 11 is less than or equal to the depth of the connecting groove 12. The outer diameter of the connecting post 11 is equal to the inner diameter of the connecting groove 12, so that the connecting post 11 can be inserted into the connecting groove 12 and fixed without falling off.

[0028] See also Figure 1 and Figure 3 As shown, a plurality of connection grooves 12 are arranged on the other side of the plastic monomer 1, and the plurality of connection grooves 12 are arranged one by one corresponding to the plurality of connection pillars 11. On the same plastic monomer 1, the plurality of connection pillars 11 are opposite to the plurality of connection grooves 12. The plurality of connection pillars 11 of one plastic monomer 1 are inserted into the plurality of connection grooves 12 of another plastic monomer 1 to realize the splicing between the two plastic monomers 1. By inserting the connection pillars 11 of the latter plastic monomer 1 into the connection grooves 12 of the former plastic monomer 1, the plurality of plastic monomers 1 are combined to form a suitable terminal block.

[0029] See also Figure 2 As shown, the plastic monomer 1 is provided with a receiving groove 13 for installing the terminal piece 2 and the spring piece 3. The receiving groove 13 and the multiple connecting columns 11 are located on the same side. The receiving groove 13 is located between the multiple connecting columns 11. The receiving groove 13 is an irregular groove matching the shape of the terminal piece 2 and the spring piece 3. The receiving groove 13 is arranged around the connecting column 11.

[0030] See also Figure 1 and Figure 3 As shown, it also includes a plastic cover 4, and a plurality of connecting grooves 12 are set on one side of the plastic cover 4. The depth of the connecting grooves 12 is less than the thickness of the plastic cover 4. The plurality of connecting grooves 12 are plugged into the plurality of connecting columns 11 of one of the plastic monomers 1 so that the plastic cover 4 covers the receiving groove 13. Only one plastic monomer 1 among the plurality of plastic monomers 1 needs the plastic cover 4 to cover the receiving groove 13, and the receiving grooves 13 of the other plastic monomers 1 are covered by the previous plastic monomer 1 to which they are connected, thereby reducing the production of the plastic cover 4 and saving costs.

[0031] See also Figures 1 to 3 As shown, the plastic monomer 1 is also provided with a first jack 14 and a second jack 15, the first jack 14 and the second jack 15 are respectively connected to the accommodating groove 13, and two springs 3 are respectively provided corresponding to the first jack 14 and the second jack 15, and the first jack 14 and the second jack 15 are both used to plug in external wires. The number of springs 3 provided for each plastic monomer 1 is two, and the two springs 3 are respectively provided corresponding to the first jack 14 and the second jack 15. When an external wire is inserted into the first jack 14 or the second jack 15, the spring 3 will clamp the wire, and the wire will contact and energize the terminal 2, and the current will enter the PCB board of the device through the pin; when two external wires are respectively inserted into the first jack 14 and the second jack 15, the current will enter the terminal 2 from one wire, and then be output from the other wire.

[0032] See also Figure 1 to Figure 2 As shown, the plastic monomer 1 is also provided with a first pin hole 16 and a second pin hole 17, which are respectively connected to the accommodating groove 13, and are both used for allowing the pins of the terminal piece 2 to extend out of the plastic monomer 1. The first pin hole 16 and the second pin hole 17 are respectively located at the bottom of the plastic monomer 1, one in front of the other, and each pin hole is provided with a misalignment step, which is used to separate the two pins of the terminal piece 2. Each plastic monomer 1 uses only one pin hole. In the combined terminal block, if the first plastic monomer 1 uses the first pin hole 16, the second plastic monomer 1 uses the second pin hole 17, and the alternating arrangement is convenient for the pins to connect the PCB board of the device.

[0033] See also Figures 2 to 3As shown, the plastic cover 4 is further provided with a central column 41, the diameter of the central column 41 is greater than the diameter of the connecting column 11, the length of the central column 41 is greater than the length of the connecting column 11, the central column 41 and the plurality of connecting grooves 12 are located on the same side, and the central column 41 is formed by protruding outward from the side of the plastic cover 4. The plastic monomer 1 is provided with a central groove 18, the central groove 18 and the plurality of connecting columns 11 are located on the same side, and the central groove 18 is used to accommodate the central column 41, so as to achieve the connection between the plastic cover 4 and the plastic monomer 1.

[0034] Specifically, the plastic monomer 1 and the plastic cover 4 are connected by ultrasonic welding. Specifically, after the multiple plastic monomers 1 are spliced ​​together, they can be fixed by ultrasonic welding to ensure that they will not disintegrate; Figure 3 As shown, the plastic monomer 1 and the plastic cover 4 on one side are also fixed by ultrasonic welding to ensure a reliable connection between the two.

[0035] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A splicable terminal block, characterized in that: It comprises a plurality of plastic monomers (1), each of which is provided with a terminal piece (2) and a spring piece (3), the terminal piece (2) being used to connect external wires, and the spring piece (3) being used to clamp external wires; the plurality of plastic monomers (1) can be spliced ​​together to form a terminal block in a combined form.

2. The splicable terminal block according to claim 1, characterized in that: A plurality of connection pillars (11) are arranged on one side of the plastic monomer (1). The plurality of connection pillars (11) are dispersedly arranged and protrude outward from the side surface of the plastic monomer (1).

3. The splicable terminal block according to claim 2, characterized in that: A plurality of connection grooves (12) are arranged on the other side of the plastic monomer (1), the plurality of connection grooves (12) are arranged corresponding to the plurality of connection pillars (11) one by one, the plurality of connection pillars (11) are opposite to the plurality of connection grooves (12), and the plurality of connection pillars (11) of one plastic monomer (1) are inserted into the plurality of connection grooves (12) of another plastic monomer (1) to realize the splicing of the two plastic monomers (1).

4. The splicable terminal block according to claim 3, characterized in that: The plastic monomer (1) is provided with a receiving groove (13) for installing the terminal piece (2) and the spring sheet (3); the receiving groove (13) and the plurality of connecting pillars (11) are located on the same side; the receiving groove (13) is located between the plurality of connecting pillars (11).

5. The splicable terminal block according to claim 4, characterized in that: It also comprises a plastic cover (4), one side of which is provided with a plurality of the connection grooves (12), the plurality of the connection grooves (12) being plugged into a plurality of connection columns (11) of one of the plastic monomers (1) so that the plastic cover (4) covers the receiving groove (13).

6. The splicable terminal block according to claim 4, characterized in that: The plastic monomer (1) is also provided with a first plug hole (14) and a second plug hole (15). The first plug hole (14) and the second plug hole (15) are respectively connected to the receiving groove (13). The first plug hole (14) and the second plug hole (15) are both used for plugging in external wires.

7. The splicable terminal block according to claim 4, characterized in that: The plastic monomer (1) is also provided with a first pin hole (16) and a second pin hole (17), the first pin hole (16) and the second pin hole (17) are respectively connected to the receiving groove (13), and the first pin hole (16) and the second pin hole (17) are both used to allow the pins of the terminal piece (2) to extend out of the plastic monomer (1).

8. The splicable terminal block according to claim 6, characterized in that: The number of spring sheets (3) provided on each plastic monomer (1) is two, and the two spring sheets (3) are provided corresponding to the first plug hole (14) and the second plug hole (15) respectively.

9. The splicable terminal block according to claim 5, characterized in that: The plastic cover (4) is further provided with a central column (41), the central column (41) and the plurality of connecting grooves (12) are located on the same side, and the central column (41) is formed by protruding outward from the side surface of the plastic cover (4).

10. The splicable terminal block according to claim 9, characterized in that: The plastic monomer (1) is provided with a central groove (18), the central groove (18) and the plurality of connecting pillars (11) are located on the same side, and the central groove (18) is used to accommodate the central pillar (41).

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