Plugging mechanism and terminal block

Abstract

The plugging mechanism comprises a positioning piece, at least one first limiting part is arranged on the side wall of the positioning piece, and multiple sets of second limiting parts are evenly distributed at the end, away from the first limiting part, of the positioning piece with the center position of the first limiting part as the circle center; a clamping space exists between the edges of every two adjacent sets of second limiting parts, the protection part is arranged in the positioning part and provided with a rotating part and a first connecting part, and a second connecting part matched with the clamping space is arranged between the rotating part and the first connecting part. The device can be realized only by slightly modifying an existing traditional terminal strip mold, can be used for terminal strips of various sizes, and is relatively high in universality; the first limiting part is arranged on the positioning piece and is matched with the bulge on the inner wall of the connecting port at the end part of the terminal strip, and the wedge-shaped structure is adopted for fixing, and the protection piece is used for protecting the exposed metal piece at the end part of the terminal strip, so that the risks of personal injury and equipment accidents caused by electric shock of workers or equipment misoperation are reduced.

Description

Technical Field

[0001] The invention relates to the field of terminal blocks, in particular to a blocking mechanism and a wiring terminal block. Background Art

[0002] During the inspection and maintenance of the power system, terminal tightening and inspection work is often carried out. In particular, during the annual inspection of the equipment, the terminal blocks need to be fully tightened and inspected, which consumes a lot of manpower. At the same time, during the operation of the equipment, the exposed metal parts of the existing terminal blocks may also cause electric shock to personnel or malfunction of the equipment, resulting in personal injury and equipment accidents, posing a safety risk. Summary of the invention

[0003] Therefore, the technical problem to be solved by the present invention is that the existing terminal block needs to be fully tightened and inspected during maintenance, and the exposed metal part of the terminal block may cause electric shock to personnel and equipment accidents.

[0004] The above technical problem is solved by the following technical solution: The present invention proposes a sealing mechanism, including: a positioning member, the positioning member is provided with a first limiting portion so as to position it on the mother body and cannot rotate; the positioning member also includes a second limiting portion; a protective member, the protective member is provided with a first connecting portion that can be connected to a part, and the protective member is provided with a second connecting portion that can be connected to the second limiting portion.

[0005] In a preferred embodiment of the blocking mechanism of the present invention: one side of the second limiting portion is connected to the edge of the end of the positioning member, and the second limiting portion is provided with a first side away from the end of the positioning member and a second side connected to the first side.

[0006] In a preferred implementation manner of the blocking mechanism of the present invention: the length of the first side is smaller than that of the second side, and the inclination angle of the second side is greater than that of the first side.

[0007] In a preferred implementation manner of the blocking mechanism of the present invention: the first side is a right-angle side, and the second side is an arc side.

[0008] In a preferred implementation manner of the blocking mechanism of the present invention: the second limiting portion is fixedly connected to the end of the positioning member.

[0009] In a preferred implementation manner of the blocking mechanism of the present invention: the second limiting portion is movably connected to the end of the positioning member.

[0010] In a preferred embodiment of the blocking mechanism of the present invention: a rotating part is provided at one end of the protective member away from the first connecting part, the rotating part and the first connecting part are connected via a connecting body, and the second connecting part is provided on the connecting body.

[0011] To solve the above technical problems, the present invention also provides a terminal block, which includes a sealing mechanism, a terminal block body, and a connecting port arranged at the end of the terminal block body, wherein the inner wall of the connecting port is provided with at least one group of protrusions.

[0012] In a preferred embodiment of the terminal block of the present invention: the protrusion includes at least one arc edge.

[0013] In a preferred embodiment of the terminal block of the present invention: the protrusion is provided with at least three prisms.

[0014] The beneficial effects of the present invention are as follows: the present invention has a simple structure, and can be realized by only slightly modifying the existing traditional terminal block mold, and can be used for terminal blocks of various sizes, and has strong versatility; by arranging a first limiting portion on the positioning member, a wedge-shaped structure is adopted to match the protrusion on the inner wall of the connecting port at the end of the terminal block for fixing, and a protective member is arranged in the positioning member, and the exposed metal member at the end of the terminal block is protected by the protective member, thereby reducing the risk of personal injury and equipment accidents caused by electric shock to workers or malfunction of equipment;

[0015] Furthermore, since the position of the first connecting part of the protective member and the fastening screws in the terminal block are fixed, and the position of the rotating part and the positioning part of the protective member are fixed, the staff does not need to fully tighten the terminal block when performing maintenance, thereby solving the problem of the staff needing to fully tighten and inspect the terminal block when performing annual maintenance of the equipment, which consumes a lot of manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention are briefly introduced below. Obviously, the drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention. Among them:

[0017] Figure 1 A schematic diagram showing the use status of the terminal block is shown;

[0018] Figure 2 A schematic diagram of a second connecting portion of the blocking mechanism is shown;

[0019] Figure 3 An exploded view of a terminal block is shown;

[0020] Figure 4 A partial cross section showing the terminal block Figure 1 ;

[0021] Figure 5 The schematic diagram of the structure of the positioning member of the blocking mechanism is shown Figure 1 ;

[0022] Figure 6 Shows the positioning member of the blocking mechanism from top view Figure 1 ;

[0023] Figure 7 Shows the positioning member of the blocking mechanism from top view Figure 2 ;

[0024] Figure 8 A partial cross section showing the terminal block Figure 2 ;

[0025] Fig. 9 The schematic diagram of the structure of the positioning member of the blocking mechanism is shown Figure 2 ;

[0026] Fig.10 A partial cross section showing the terminal block Figure 3 ;

[0027] Fig.11 The schematic diagram of the structure of the positioning member of the blocking mechanism is shown Figure 3 .

[0028] In the figure: 1. positioning member; 11. first limiting portion; 12. second limiting portion; 121. first side; 122. second side; 13. clamping space; 2. protective member; 21. rotating portion; 22. first connecting portion; 3. second connecting portion; 31. disk body; 32. clamping block; 33. connecting body; 4. terminal block body; 41. connecting port; 42. protrusion; X. fastening bolt. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with specific implementation methods and drawings.

[0030] The terms used in the present invention are those general terms currently widely used in the art in consideration of the functions of the present invention, but these terms may vary according to the intention of a person of ordinary skill in the art, precedents, or new technologies in the art. In addition, specific terms may be selected by the applicant, and in this case, their detailed meanings will be described in the detailed description of the present invention. Therefore, the terms used in the specification should not be understood as simple names, but rather as a general description based on the meaning of the terms and the present invention.

[0031] Reference Figure 3The present embodiment provides a blocking mechanism for being assembled on a mother body to prevent the parts assembled in rotation on the mother body from being detached; the blocking mechanism includes a positioning member 1, the positioning member 1 is provided with a first limiting portion 11 so as to position it on the mother body and prevent it from rotating; the positioning member 1 also includes a second limiting portion 12; a protective member 2, the protective member 2 is provided with a first connecting portion 22 that can be connected to the part, and the protective member 2 is provided with a second connecting portion 3 that can be connected to the second limiting portion 12; when the first connecting portion 22 is connected to the part and the second connecting portion 3 is connected to the second limiting portion 12, the blocking mechanism can limit the rotation angle of the part.

[0032] Reference Figure 5 , Figure 7 and Fig.11 , a positioning member 1, a side wall of the positioning member 1 is provided with at least a first limiting portion 11, and a plurality of groups of second limiting portions 12 are evenly distributed on the end of the positioning member 1 away from the first limiting portion 11 with its center position as the center of the circle; there is a clamping space 13 between the edges of two adjacent groups of second limiting portions 12, and a protective member 2 is arranged in the positioning member 1, the protective member 2 is provided with a rotating portion 21 and a first connecting portion 22, and a second connecting portion 3 adapted to the clamping space 13 is arranged between the rotating portion 21 and the first connecting portion 22. It should be noted that there is a clamping space 13 between the edges of two adjacent groups of the second limiting portions 12.

[0033] Reference Figure 2 Furthermore, the rotating portion 21 of the protective member 2 and the first connecting portion 22 are connected via a connecting body 33 , and the second connecting portion 3 is disposed on the connecting body 33 .

[0034] Reference Figure 2 , Figure 5 and Figure 6 Furthermore, one side of the second limiting portion 12 is connected to the end edge of the positioning member 1, and the second limiting portion 12 is provided with a first side 121 and a second side 122 connected to the first side 121 away from the end of the positioning member 1, wherein the length of the first side 121 is smaller than the second side 122, and the inclination angle of the second side 122 is greater than the first side 121; specifically, the second limiting portion 12 is fixedly connected to the end of the positioning member 1, and in this embodiment, the second limiting portion 12 at the end edge of the positioning member 1 is a ratchet as an example.

[0035] It should be noted that the protective member 2 is mainly made of insulating material, covering the exposed metal part to play a protective role; Figure 2The rotating part 21 of the protective member 2 is used to rotate the entire protective member 2, the first connecting part 22 of the protective member 2 is used to be inserted into the groove of the bolt, the connecting body 33 is used to connect the rotating part 21 and the first connecting part 22, and the second connecting part 3 is arranged at the part of the connecting body 33 close to the rotating part 21. The second connecting part 3 includes a disk body 31 arranged on the connecting body 33 and a clamping block 32 arranged on the disk body 31. The disk body 31 is adapted to the end of the positioning member 1 provided with the second limiting part 12. The working principle of the clamping block 32 is the same as that of the ratchet bar, so that the clamping block 32 is adapted to the clamping space 13 at the end of the positioning member 1.

[0036] Reference Figure 4 and Figure 5 , further, a terminal block body 4; and a connecting port 41 arranged at the end of the terminal block body 4, the inner wall of the connecting port 41 is provided with at least one group of protrusions 42, and the protrusions 42 are provided with at least three prisms, such as the protrusions 42 are rectangular. It should be noted that the terminal block in the present invention can be processed in proportion according to the terminal block model, so that the terminal block in the present invention can adapt to a variety of usage scenarios.

[0037] Reference Figure 1 and Figure 3 When using the terminal block, first fix the terminal block body 4 on the required cabinet or equipment rail, correctly connect the wiring and use the fastening screws to complete the fastening; then align the end of the positioning member 1 away from the second limiting portion 12 with the connection port 41 at the end of the terminal block and press it in. When the positioning member 1 enters the terminal block connection port 41, align the first limiting portion 11 of the side wall of the positioning member 1 with the protrusion 42 in the connection port 41. After the positioning member 1 is completely pushed into the connection port 41, align the block 32 of the second connecting portion 3 with the clamping space 13 of the second limiting portion 12 at the end of the positioning member 1, and then press the protective member in the direction of the fastening screw. At this time, the first connecting portion 22 of the protective member 2 may not fall into the groove at the end of the fastening screw. It is necessary to press the rotating portion 21 of the protective member 2 and twist the rotating portion 21 clockwise at the same time. If the protective member 2 falls to a certain extent, it means that the first connecting portion 22 of the protective member 2 falls into the groove at the end of the fastening screw, which plays a role in fixing the fastening screw. Since the thickness of the second limiting portion 12 at the end of the positioning member 1 is much thicker than the thickness of the engaging block on the protective member 2, it can support a certain length of travel of the protective member 2;

[0038] Reference Figure 5 and Figure 6 Since the second limiting portion 12 in this embodiment is ratchet-shaped, when the block 32 is stuck between the ratchet-shaped second limiting portions 12, it can lock the locking cylinder and the protective member 2.

[0039] As an optional embodiment, the protective member 2 and the positioning member 1 can be an integrated structure, which is convenient for maintenance, replacement and on-site use; wherein, the clamping space 13 between the second limiting portion 12 at the end of the positioning member 1 is always in contact with the clamping block 32 of the second connecting portion 3. Since the thickness of the second limiting portion 12 at the end of the positioning member 1 is much thicker than the thickness of the clamping block on the protective member 2, when the protective member 2 is pressed downward and rotated clockwise, the protective member 2 can move downward and rotate along the clamping space 13 at the end of the positioning member 1. At the same time, it should be noted that the inner diameters of the rotating portion 21 and the first connecting portion 22 of the protective member 2 are larger than the inner diameter of the positioning member 1 with the second limiting portion 12, and the size of the connecting body 33 in the middle of the protective member 2 is smaller than the inner diameter of the positioning member 1 with the second limiting portion 12. In this way, it can be ensured that the fixing pin can move in the protective member 2 but will not fall off. At the same time, the integrated structure can be directly taken out by the fixing pin handle during installation and replacement, which is convenient for installation and maintenance.

[0040] The remaining structures are the same as those in the previous embodiment.

[0041] Reference Figure 7 As an optional embodiment, one side of the second limiting portion 12 is connected to the edge of the end of the positioning member 1, and the second limiting portion 12 is provided with a first side 121 and a second side 122 connected to the first side 121 away from the end of the positioning member 1. The first side 121 is a right-angled side, and the second side 122 is an arc side. The second limiting portion 12 is movably connected to the end of the positioning member 1.

[0042] It should be noted that the second limiting portion 12 in this embodiment is as follows Figure 7 As shown, the positioning member 1 is provided with a second limiting portion 12, and one end thereof is provided with a receiving groove matched with the second limiting portion 12, so that the second limiting portion 12 can move back and forth along the receiving groove, and a return spring is provided between the second limiting portion 12 and the receiving groove. Since the first side 121 of the second limiting portion 12 is a right-angle side and the second side 121 of the second limiting portion 12 is an arc side, the second connecting portion 3 can only rotate in one direction along the second limiting portion 12.

[0043] The remaining structures are the same as those in the previous embodiment.

[0044] Reference Figure 8 and Fig.10 As an optional embodiment, a terminal block body 4; and a connection port 41 provided at the end of the terminal block body 4, the inner wall of the connection port 41 is provided with at least one group of protrusions 42, and the protrusions 42 include at least one arc edge.

[0045] Reference Figures 8 to 11 It should be noted that the first embodiment has proposed that the protrusion 42 is rectangular. Figure 8 , Fig.10The difference of this embodiment is that the protrusion 42 can be Ω-shaped, circular, diamond-shaped (adjacent sides of the diamond are transitioned by arc edges), etc., and the shape of the first limiting portion 11 of the corresponding positioning member 1 also changes accordingly. The function of the protrusion 42 in this embodiment is different from that in the first embodiment in that by adopting the above-mentioned shape, while the positioning member 1 is connected to the protrusion 42 in the terminal block connecting port 41 through a wedge structure, the positioning member 1 is locked by the characteristics of the shape itself, so that the positioning member 1 will not easily fall off from the terminal block connecting port 41, thereby making the terminal block in this embodiment more widely used.

[0046] The remaining structures are the same as those in the previous embodiment.

[0047] Finally, it should be pointed out that the methods and devices described in detail above are only embodiments, and those skilled in the art can modify these embodiments in different ways without departing from the scope of the present invention.

Claims

1. A blocking mechanism, characterized in that: A positioning member (1), wherein the positioning member (1) is provided with a first limiting portion (11) so as to position the positioning member on the mother body so as to prevent the positioning member from rotating; the positioning member (1) further comprises a second limiting portion (12); A protective member (2), wherein the protective member (2) is provided with a first connecting portion (22) capable of being connected to a part, and the protective member (2) is provided with a second connecting portion (3) capable of being connected to a second limiting portion (12).

2. The blocking mechanism according to claim 1, characterized in that: One side of the second limiting portion (12) is connected to the end edge of the positioning member (1), and the second limiting portion (12) is provided with a first side (121) and a second side (122) connected to the first side (121) away from the end of the positioning member (1).

3. The blocking mechanism according to claim 2, characterized in that: The length of the first side (121) is smaller than that of the second side (122), and the inclination angle of the second side (122) is greater than that of the first side (121).

4. The blocking mechanism according to claim 2, characterized in that: The first side (121) is a right-angle side, and the second side (122) is an arc side.

5. The blocking mechanism according to claim 3 or 4, characterized in that: The second limiting portion (12) is fixedly connected to the end of the positioning member (1).

6. The blocking mechanism according to claim 3 or 4, characterized in that: The second limiting portion (12) is movably connected to the end of the positioning member (1).

7. The blocking mechanism according to claim 1, characterized in that: A rotating portion (21) is provided at one end of the protective member (2) away from the first connecting portion (22); the rotating portion (21) and the first connecting portion (22) are connected via a connecting body (33); and the second connecting portion (3) is provided on the connecting body (33).

8. A terminal block, characterized in that: The method comprises the blocking mechanism as claimed in any one of claims 1 to 7, and further comprises: a terminal block body (4); and A connection port (41) is provided at the end of the terminal block body (4), and at least one group of protrusions (42) is provided on the inner wall of the connection port (41).

9. The terminal block according to claim 8, characterized in that: The protrusion (42) comprises at least one arc edge.

10. The terminal block according to claim 8, characterized in that: The protrusion (42) is provided with at least three prisms.

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