Plug

Abstract

The utility model relates to the technical field of power devices, and discloses a plug, which comprises a shell, a binding post, a bolt and a compression screw, according to the application, the binding post, the bolt and the compression screw are arranged in the shell, so that the wire can sequentially penetrate through the second connection port in the main body part to the first connection port in the binding post after being inserted from the inlet, and can be extruded and fixed by the first extension part and the bottom surface of the first connection port through screwing of the compression screw; according to the utility model, through the arrangement of the plate-shaped first extension part, when the wire is extruded, the fixing effect can be ensured, the damage to the wire can be reduced, and the service life of the wire can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of electric devices, in particular to a plug. Background Art

[0002] At present, existing plugs usually use a screw to directly press the wire to achieve the connection between the wire and the plug. That is, the wire is fixed in the plug by a screw connection. Although this method is convenient for disassembly and assembly, it also leads to an unstable connection between the wire and the plug. There is a situation where some wires are not fixed by the screws, that is, there is a loose connection with the plug, which in turn causes the wire to generate more heat, which is easy to cause safety hazards. Utility Model Content

[0003] The purpose of the utility model is to provide a plug which can avoid the situation of false connection of wires and make power transmission safer and more stable.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a plug, comprising: a shell, a terminal, a plug and a clamping screw; the interior of the shell has a accommodating cavity, the side of the shell has an entrance, the bottom surface of the shell has a plug hole, the entrance, the accommodating cavity and the plug hole are connected in sequence; the terminal is arranged in the accommodating cavity and is spaced apart from the plug hole, the top of the terminal has a clamping screw mounting hole, the side of the terminal has a first connecting port, the first connecting port and the clamping screw mounting hole are connected; the plug comprises a main body and a first extending portion, the main body is inserted into the plug hole, and along the shell The first extension portion is provided on a side of the main body facing the first connection port and extends toward the first connection port to the inside of the first connection port. The shape of the first extension portion is adapted to the shape of the first connection port. The main body also has a second connection port on a side facing the first connection port. The second connection port is located below the first extension portion and corresponds to the first connection port. The second connection port passes through the main body. The clamping screw is inserted into the clamping screw mounting hole, and as the clamping screw is screwed in, the bottom of the clamping screw can push the terminal to move upward.

[0005] Optionally, the cross-section of the first connecting port is polygonal, circular, or elliptical, and the first extending portion is plate-shaped.

[0006] Optionally, a card seat is further included, which is arranged in the accommodating cavity, and the top surface of the card seat has a card slot extending along the height direction of the shell, and the terminal is arranged in the card slot.

[0007] Optionally, the card slot includes a first card connecting portion and a pin slot, the terminal is placed on the first card connecting portion, the bottom surface of the pin slot is open and corresponds to the pin hole, the main body passes through the pin slot and the pin hole in sequence, the inner peripheral contour of the pin slot is adapted to the outer peripheral contour of the main body, and the second connecting port and the first connecting port are arranged corresponding to each other.

[0008] Optionally, the inner peripheral side wall of the card slot further has two correspondingly arranged protrusions, and the two protrusions divide the card slot into the first clamping portion and the latch slot.

[0009] Optionally, the shell includes an upper shell and a bottom shell, the top surface of the bottom shell is open, the upper shell covers the top surface of the bottom shell, and together with the bottom shell, forms a accommodating cavity.

[0010] Optionally, it includes multiple terminal posts, multiple pins and multiple clamping screws, the shell has multiple pin holes, the multiple pin holes are arranged at intervals, the multiple pins are inserted into the multiple pin holes one by one, the multiple terminal posts and the multiple pins are arranged one by one, and the multiple clamping screws and the multiple terminal posts are arranged one by one.

[0011] Optionally, the plurality of pin holes are arranged at intervals along the circumferential direction, the plurality of pins are inserted into the plurality of pin holes in a one-to-one correspondence, and the plurality of terminal posts are respectively arranged in the space enclosed by the plurality of pins.

[0012] Compared with the prior art, the plug of the embodiment of the present utility model has the following beneficial effects: the present application uses the terminal, the plug pin and the clamping screw arranged in the shell, so that after the wire is inserted from the entrance, it can pass through the second connecting port on the main body to the first connecting port on the terminal in sequence, and can be squeezed and fixed by the first extension part and the bottom surface of the first connecting port by screwing in the clamping screw, thereby avoiding the occurrence of virtual connection of the wire, making power transmission safer and more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of a plug according to an embodiment of the present utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the plug according to an embodiment of the present utility model;

[0015] Figure 3 This is a bottom view of the plug according to an embodiment of the present utility model;

[0016] Figure 4 This is an embodiment of the utility model Figure 3 Cross-sectional view in the AA direction;

[0017] Figure 5 This is a schematic structural diagram of a terminal according to an embodiment of the present utility model;

[0018] Figure 6 This is a schematic structural diagram of a latch according to an embodiment of the present utility model;

[0019] Figure 7 5 is a schematic structural diagram of the card holder and the mounting bottom shell of an embodiment of the present utility model.

[0020] In the figure, 1. shell; 11. accommodating cavity; 12. entrance; 13. pin hole; 14. upper shell; 15. bottom shell; 2. terminal; 21. pin hole; 22. first connection port; 3. pin; 31. main body; 311. second connection port; 32. first extension portion; 4. socket; 41. slot; 411. first clamping portion; 412. pin slot; 42. protrusion. DETAILED DESCRIPTION

[0021] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] In the description of the present invention, it should be understood that the terms "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 therefore cannot be understood as a limitation on the present invention.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0024] like Figures 1-6As shown, a plug of an embodiment of the present invention includes: a shell 1, a terminal 2, a plug 3 and a clamping screw (not shown in the drawings); the interior of the shell 1 has a accommodating chamber 11, the side of the shell 1 has an entrance 12, the bottom surface of the shell 1 has a plug hole 13, the entrance 12, the accommodating chamber 11 and the plug hole 13 are connected in sequence; the terminal 2 is arranged in the accommodating chamber 11 and is spaced apart from the plug hole 13, the top of the terminal 2 has a clamping screw mounting hole 21, the side of the terminal 2 has a first connecting port 22, the first connecting port 22 and the clamping screw mounting hole 21 are connected; the plug 3 includes a main body 31 and a first extending portion 32, the main body 31 is inserted into the plug hole 13, and extends along the height direction of the shell 1, the first extension portion 32 is provided on the side of the main body 31 facing the first connection port 22, and extends toward the first connection port 22 to the inside of the first connection port 22, the shape of the first extension portion 32 is adapted to the shape of the first connection port 22, the side of the main body 31 facing the first connection port 22 also has a second connection port 311, the second connection port 311 is located below the first extension portion 32, and corresponds to the first connection port 22, the second connection port 311 passes through the main body 31; the clamping screw is inserted into the clamping screw mounting hole 21, and as the clamping screw is screwed in, the bottom of the clamping screw can push the terminal 2 to move upward.

[0025] Based on the above scheme, the present application arranges the terminal 2, the plug 3 and the clamping screw in the shell so that after the wire is inserted from the entrance 12, it can pass through the second connection port 311 on the main body 31 to the first connection port 22 on the terminal 2 in sequence, and can be squeezed and fixed by the first extension part 32 and the bottom surface of the first connection port 22 by screwing in the clamping screw, thereby avoiding the occurrence of virtual connection of the wire, making power transmission safer and more stable.

[0026] like Figure 5 and Figure 6 As shown, in order to ensure the clamping effect on the wire, the cross-section of the first connection port 22 is polygonal, circular or elliptical. In this embodiment, in order to facilitate the design and molding of the first connection port 22, the cross-section of the first connection port 22 is rectangular. The cross-sectional shape of the first connection port 22 can be adaptively adjusted according to actual design requirements. The first extension portion 32 is plate-shaped, and the plate-shaped first extension portion 32 can also reduce damage to the wire when squeezing the wire.

[0027] like Figure 2 and Figure 7 As shown, in order to facilitate the positioning of the terminal 2, a holder 4 is also included. The holder 4 is arranged in the accommodating cavity 11, and the top surface of the holder 4 has a slot 41 extending along the height direction of the shell 1, and the terminal 2 is arranged in the slot 41.

[0028] like Figure 2 and Figure 7As shown, in order to facilitate the positioning of the terminal 2 and the plug 3, the card slot 41 includes a first card portion 411 and a plug slot 412, the terminal 2 is inserted into the first card portion 411, the bottom surface of the plug slot 412 is open and corresponds to the plug hole 13, the main body 31 passes through the plug slot 412 and the plug hole 13 in sequence, the inner peripheral contour of the plug slot 412 is adapted to the outer peripheral contour of the main body 31, and the second connecting port 311 and the first connecting port 22 are arranged corresponding to each other.

[0029] like Figure 2 and Figure 7 As shown, in order to facilitate the positioning of the terminal 2 and the latch 3 , the inner peripheral side wall of the slot 41 further has two correspondingly arranged protrusions 42 , which divide the slot 41 into a first engaging portion 411 and a latch slot 412 .

[0030] like Figure 1 and Figure 3 As shown, for ease of use, the housing 1 includes an upper shell 14 and a bottom shell 15 . The top surface of the bottom shell 15 is open, and the upper shell 14 covers the top surface of the bottom shell 15 and together with the bottom shell 15 form a receiving cavity 11 .

[0031] like Figure 2 As shown, for ease of use, it includes multiple terminals 2, multiple plugs 3 and multiple clamping screws. The shell 1 has multiple plug holes 13, and the multiple plug holes 13 are arranged at intervals. The multiple plugs 3 are respectively inserted into the multiple plug holes 13 in a one-to-one correspondence. The multiple terminals 2 and the multiple plugs 3 are arranged in a one-to-one correspondence, and the multiple clamping screws and the multiple terminals 2 are arranged in a one-to-one correspondence.

[0032] like Figure 2 As shown, in order to facilitate wiring, multiple pin holes 13 are arranged at intervals along the circumferential direction, multiple pins 3 are inserted into the multiple pin holes 13 respectively, and multiple terminal posts 2 are respectively arranged in the space enclosed by the multiple pins 3.

[0033] In summary, the embodiment of the present invention provides a plug, which, through the terminal 2, the plug 3 and the tightening screw arranged in the shell, allows the wire to pass through the second connection port 311 on the main body 31 to the first connection port 22 on the terminal 2 in sequence after being inserted from the entrance 12, and can be squeezed and fixed by the first extension portion 32 and the bottom surface of the first connection port 22 by screwing in the tightening screw, thereby avoiding the occurrence of a virtual connection of the wire, making power transmission safer and more stable. In addition, by providing a plate-shaped first extension portion 32, when the wire is squeezed, not only can the fixing effect be guaranteed, but also the damage to the wire can be reduced, thereby extending the service life of the wire.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and replacements can be made without departing from the technical principles of the present invention. These improvements and replacements should also be regarded as the scope of protection of the present invention.

Claims

1. A plug, characterized in that: include: Housing, terminals, latches and compression screws; The housing has an accommodating cavity inside, an entrance on the side of the housing, and a pin hole on the bottom of the housing, wherein the entrance, the accommodating cavity and the pin hole are connected in sequence; The terminal is arranged in the accommodating cavity and is connected to the plug. The top of the terminal has a pressing screw mounting hole, and the side of the terminal has a first connecting port, which is connected to the pressing screw mounting hole. The latch includes a main body and a first extension. The main body is inserted into the latch hole and extends along the height direction of the housing. The first extension is provided on a side of the main body facing the first connection port and extends toward the first connection port to the interior of the first connection port. The shape of the first extension matches the shape of the first connection port. The main body further has a second connection port on a side facing the first connection port. The second connection port is located below the first extension and corresponds to the first connection port. The second connection port passes through the main body. The clamping screw is inserted into the clamping screw mounting hole, and as the clamping screw is screwed in, the bottom of the clamping screw can push the terminal to move upward.

2. The plug according to claim 1, wherein: The cross section of the first connecting port is polygonal, circular or elliptical, and the first extending portion is plate-shaped.

3. The plug according to claim 1, wherein: It also includes a card seat, which is arranged in the accommodating cavity, and the top surface of the card seat has a card slot extending along the height direction of the shell, and the terminal is arranged in the card slot.

4. The plug according to claim 3, characterized in that The card slot includes a first card connection portion and a pin slot, the terminal is inserted into the first card connection portion, the bottom surface of the pin slot is open and corresponds to the pin hole, the main body passes through the pin slot and the pin hole in sequence, the inner peripheral contour of the pin slot is adapted to the outer peripheral contour of the main body, and the second connecting port and the first connecting port are arranged corresponding to each other.

5. The plug according to claim 4, characterized in that The inner peripheral side wall of the card slot further has two correspondingly arranged protrusions, and the two protrusions divide the card slot into the first clamping portion and the latch slot.

6. The plug according to claim 1, wherein: The shell comprises an upper shell and a bottom shell. The top surface of the bottom shell is open. The upper shell covers the top surface of the bottom shell and forms a receiving cavity together with the bottom shell.

7. The plug according to claim 1, wherein: It includes multiple binding posts, multiple latches and multiple clamping screws. The shell has multiple latch holes, and the multiple latch holes are arranged at intervals. The multiple latches are respectively inserted into the multiple latch holes in a one-to-one correspondence. The multiple binding posts and the multiple latches are arranged in a one-to-one correspondence. The multiple clamping screws and the multiple binding posts are arranged in a one-to-one correspondence.

8. The plug according to claim 7, characterized in that The plurality of pin holes are arranged at intervals along the circumferential direction, the plurality of pins are inserted into the plurality of pin holes in a one-to-one correspondence, and the plurality of terminal posts are respectively arranged in the space enclosed by the plurality of pins.

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