Terminal block

Abstract

The utility model provides a wiring terminal strip, which comprises a wiring terminal strip and a terminal strip, the wiring terminal strip comprises a plurality of wiring terminals spliced together, the terminal strip comprises a connecting strip, the connecting strip is provided with a plurality of plug terminals, each wiring terminal comprises a shell, a mounting cavity is arranged in the shell, and the plug terminals are arranged in the mounting cavity. A connecting piece is embedded in the mounting cavity, the inner wall of the mounting cavity extends outwards to be provided with a rotating rod, a crank arm pressing plate is movably arranged in the mounting cavity, the crank arm pressing plate is provided with a pressing part and a connecting part, the top of the connecting piece is provided with an abutting part, the front part of the connecting piece is provided with an inserting part, the bottom of the connecting piece is provided with an elastic piece, and one side of the top of the elastic piece is provided with an inserting plate. The bent part of the crank arm pressing plate is provided with an insertion groove, and the insertion plate is inserted into the insertion groove. According to the utility model, the number of the wiring terminals and the plugging terminals can be adjusted according to the actual use condition, the applicability is improved, and the elastic sheet is pressed by the crank arm pressing plate, so that the torque can be increased, and a worker is more labor-saving and convenient to operate.

Description

Technical Field

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

[0002] A terminal is a kind of accessory product used to achieve electrical connection and is classified as a connector in the industry. With the increasing degree of industrial automation and the increasingly strict and precise requirements for industrial control, the usage of terminal blocks is gradually increasing.

[0003] For example, Chinese Patent Publication No. CN201278392Y discloses a terminal for a PCB circuit board, which includes a housing and a solder tab disposed in the housing. Among them, the housing includes a wire insertion hole, and is characterized in that: it includes an automatic assembly cover plate that can be inserted into the wire insertion hole. The automatic assembly cover plate has pins adapted to the wire insertion hole and an adsorption surface connected to the pins. Compared with the prior art, the specific structure of the present utility model in cooperation with the terminal housing adds an automatic assembly cover plate that can be inserted into the wire insertion hole of the terminal housing. The automatic assembly cover plate has pins that can be inserted into the wire insertion hole, and the pins have elastic U-shaped opening grooves, which can better achieve the connection tightness between the automatic assembly cover plate and the housing. The terminal presses the U-shaped solder tab vertically downward. Due to the short moment of this structure, it causes the staff to need to use a greater force when pressing, resulting in more laborious and inconvenient operation. Summary of the Utility Model

[0004] The utility model aims to provide a terminal block to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model provides the following technical solutions:

[0006] A terminal block includes a terminal block and a bus bar. The terminal block includes a plurality of terminals spliced together. The bus bar includes a connection bar, and a plurality of plug-in terminals are provided on the connection bar. Each terminal includes a housing, an installation cavity is provided in the housing, a connector is embedded in the installation cavity, a rotating rod extends outward from the inner wall of the installation cavity, an elbow pressure plate is movably provided in the installation cavity, the elbow pressure plate is provided with a pressing part and a connecting part, a butting part is provided at the top of the connector, a plug-in part is provided at the front of the connector, a spring piece is provided at the bottom of the connector, a plug-in board is provided on one side of the top of the spring piece, and a plug-in groove is provided at the bending part of the elbow pressure plate, and the plug-in board is inserted into the plug-in groove.

[0007] Preferably, an access hole one is provided at the top of the housing, and an access hole two is provided at the rear of the housing.

[0008] Preferably, a plurality of insertion rods extend outward from one side of the housing, and a plurality of insertion holes are provided on the other side of the housing. The plurality of insertion rods are inserted into the plurality of insertion holes.

[0009] Preferably, the elastic piece is arranged in a "V" shape, and the free end of the top of the elastic piece abuts against the abutting portion.

[0010] Preferably, a contact rod is provided at the bottom of one side of the housing where the plurality of insertion holes are located, and the contact rod abuts against one side of the bottom of the connecting member.

[0011] Preferably, a cover plate is provided on one side of the housing.

[0012] Beneficial effects

[0013] One or more of the above technical solutions in the terminal block provided by the embodiment of the present invention at least have the following technical effects:

[0014] Through the above technical solutions, the present invention can adjust the number of terminals on the terminal block according to the actual use situation during use, which not only improves the applicability but also saves the use cost; by pressing the elastic piece with the crank arm pressing plate, the crank arm pressing plate rotates and presses down to realize the lever principle structure, thereby effectively increasing the torque, making it more labor-saving and convenient for the staff to operate. The insertion terminal is inserted into the access hole 1 or the access hole 2, and the connection is made by insertion, making the connection between the terminal blocks and the terminal blocks more convenient and fast. Brief description of the drawings

[0015] Figure 1 It is a schematic structural diagram of the terminal block of the present invention;

[0016] Figure 2 It is a schematic diagram of the split structure of several terminals of the present invention;

[0017] Figure 3 It is a schematic structural diagram of the terminal of the present invention;

[0018] Figure 4 It is a schematic structural diagram of the terminal block of the present invention;

[0019] Figure 5 It is a schematic structural diagram of the crank arm pressing plate of the present invention;

[0020] Figure 6 It is a schematic structural diagram of the connecting member of the present invention;

[0021] Figure 7 It is an exploded structural diagram of the terminal of the present invention;

[0022] Figure 8 It is a schematic structural diagram of the connection between the terminal block and the terminal block of the present invention;

[0023] The corresponding relationship between the reference numerals and the component names in the figure is as follows:

[0024] 1. Terminal block; 2. Terminal block; 3. Terminal; 4. Connecting row; 5. Plug-in terminal; 6. Housing; 7. Installation cavity; 8. Connector; 9. Rotating rod; 10. Crank arm pressing plate; 11. Pressing part; 12. Connecting part; 13. Abutting part; 14. Plugging part; 15. Elastic piece; 16. Plugging board; 17. Plugging groove; 18. First access hole; 19. Second access hole; 20. Plugging rod; 21. Plugging hole; 22. Abutting rod; 23. Cover plate. Detailed implementation manners

[0025] The technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0026] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0027] In the description of the present utility model, it should also be noted that unless otherwise clearly defined and limited, the terms "arranged", "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0028] As Figure 1-8 shown, it is a schematic structural diagram of a terminal block according to a preferred embodiment of the present utility model;

[0029] In this embodiment, it includes a terminal block 1 and a terminal block 2. The terminal block 1 includes a number of terminal connectors 3 spliced together, and the number of terminal connectors 3 can be increased or decreased according to actual situations. The terminal block 2 includes a connection row 4, and a number of plug-in terminals 5 are provided on the connection row 4. The number of plug-in terminals 5 is set to match the number of terminal connectors 3. The terminal connector 3 includes a housing 6, an installation cavity 7 is provided inside the housing 6, a connecting piece 8 is embedded in the installation cavity 7, and the connecting piece 8 is made of a metal material. A rotating rod 9 extends outward from the inner wall of the installation cavity 7. An elbow pressing plate 10 is movably arranged in the installation cavity 7. The elbow pressing plate 10 is provided with a pressing part 11 and a connecting part 12. The elbow pressing plate 10 is rotatably sleeved on the rotating rod 9 through the connecting part 12. A butting part 13 is provided at the top of the connecting piece 8, a plug-in part 14 is provided at the front of the connecting piece 8, a spring piece 15 is press riveted and fixed at the bottom of the connecting piece 8, a plug-in plate 16 is provided on one side of the top of the spring piece 15, and a plug-in groove 17 is provided at the bent part of the elbow pressing plate 10. The plug-in plate 16 is inserted into the plug-in groove 17. By pressing the pressing part of the elbow pressing plate 10, the elbow pressing plate 10 rotates, and then the elbow pressing plate 10 presses the spring piece 15. A lever structure is realized through the elbow pressing plate 10, which can effectively increase the torque and make it more labor-saving when pressing.

[0030] In this embodiment, an access hole 18 is provided at the top of the housing 6, and an access hole 19 is provided at the rear of the housing 6. The access hole 18 is opposite to the plug-in part 14 on the connecting piece 8 in position, and the access hole 19 is opposite to the butting part 13 on the connecting piece 8 in position.

[0031] In this embodiment, a number of plug-in rods 20 extend outward from one side of the housing 6, and a number of plug-in holes 21 are provided on the other side of the housing 6. A number of plug-in rods 20 are inserted into a number of plug-in holes 21, and the splicing structure between a number of housings 6 is realized through this structure.

[0032] In this embodiment, the spring piece 15 is arranged in a "V" shape. The free end of the top of the spring piece 15 abuts against the butting part 13. By pressing the elbow pressing plate 10, the free end of the top of the spring piece 15 moves downward, so that the gap between the top of the spring piece 15 and the butting part 13 is enlarged. At this time, an external connecting wire or a plug-in terminal 5 can be inserted into the access hole 19 and inserted into the gap between the butting part 13 and the spring piece. Release the force applied to the elbow pressing plate 10, and the spring piece 15 rebounds upward to clamp the connecting wire or the plug-in terminal 5 at the butting part, realizing the connection and fixation of the connecting wire or the plug-in terminal 5.

[0033] In this embodiment, two butting rods 22 are provided at the bottom on one side of a number of plug-in holes 21, and the butting rods 22 abut against one side of the bottom of the connecting piece 8. The connecting piece 8 is limited by the butting rods 22 to prevent the connecting piece 8 from loosening in the installation cavity 7.

[0034] In this embodiment, a cover plate 23 is provided on one side of the housing 6. A number of insertion holes 21 are also provided on the surface of the cover plate 23. A contact rod 22 is also provided at the bottom of the number of insertion holes 21 on the side of the cover plate 23 close to the housing, and the side of the housing 6 is covered by the cover plate 23.

[0035] In this embodiment, a wiring mark may be provided on the top surface of the housing 1 to facilitate the user to connect the wires.

[0036] For a terminal block of the present utility model, its installation method, connection method or setting method are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented.

[0037] The technologies not described in detail in the present utility model are all well-known technologies. Those skilled in the art can easily implement the present utility model on the basis of understanding this specification, and the content shown in the drawings is a part of this specification.

[0038] The above content further elaborates on the present utility model in combination with specific implementation manners. It cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the present utility model belongs, without departing from the concept of the present utility model, several simple deductions or substitutions can still be made, and all should be regarded as belonging to the protection scope determined by the claims submitted for the present utility model.

Claims

1. A terminal block, comprising a terminal block (1) and a terminal block (2), characterized in that: The terminal block (1) comprises a plurality of connected terminals (3), the terminal block (2) comprises a connection block (4), the connection block (4) is provided with a plurality of plug-in terminals (5), the terminal block (3) comprises a housing (6), a mounting cavity (7) is provided in the housing (6), a connecting piece (8) is embedded in the mounting cavity (7), a rotating rod (9) is provided on the inner wall of the mounting cavity (7) extending outward, and a crank arm pressure plate (9) is movably provided in the mounting cavity (7). 10), the crank arm pressure plate (10) is provided with a pressing portion (11) and a connecting portion (12), the top of the connecting piece (8) is provided with a contact portion (13), the front of the connecting piece (8) is provided with a plug-in portion (14), the bottom of the connecting piece (8) is provided with a spring sheet (15), one side of the top of the spring sheet (15) is provided with a plug-in plate (16), the bending part of the crank arm pressure plate (10) is provided with a plug-in slot (17), and the plug-in plate (16) is plugged into the plug-in slot (17).

2. A terminal block according to claim 1, characterized in that: The top of the shell (6) is provided with an access hole 1 (18), and the rear of the shell (6) is provided with an access hole 2 (19).

3. A terminal block according to claim 1, characterized in that: A plurality of plugging rods (20) are provided on one side of the shell (6) extending outwards, and a plurality of plugging holes (21) are provided on the other side of the shell (6), and the plurality of plugging rods (20) are plugged into the plurality of plugging holes (21).

4. A terminal block according to claim 1, characterized in that: The spring piece (15) is arranged in a "V"-shaped structure, and the top free end of the spring piece (15) abuts against the abutment portion (13).

5. The terminal block according to claim 1, characterized in that: The housing (6) is provided with an abutment rod (22) at the bottom of one side of the plurality of insertion holes (21), and the abutment rod (22) abuts against one side of the bottom of the connecting member (8).

6. The terminal block according to claim 1, characterized in that: A cover plate (23) is provided on one side of the housing (6).

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