Wiring terminal

Abstract

The utility model provides a wiring terminal, which comprises a bottom shell, an upper cover body and a hardware terminal, two ends of the bottom shell are respectively provided with a lead plugging hole communicated with a cavity, test holes are arranged above the lead plugging holes, the hardware terminal comprises an elastic sheet and a busbar, the busbar is rectangular and is arranged above the middle part of the elastic sheet, and the upper cover body is arranged on the upper part of the elastic sheet. The two ends of the hardware terminal are wire insertion ends, the upper end of the hardware terminal is provided with a first opening and a first clamping piece, the lower end of the hardware terminal is provided with a second opening and a second clamping piece, the ends, away from the hardware terminal, of the first clamping piece and the second clamping piece are free ends, and the first opening, the elastic piece and the first clamping piece form a first clamping opening. The second opening, the elastic piece and the second clamping piece form a second clamping opening, and clamping force is applied to the exposed wire of the clamping opening through the first clamping piece and the second clamping piece. And the wire plugging hole corresponds to the clamping opening in position. According to the utility model, the wire can be conveniently inserted and connected without an external tool, the wire can be stably fixed, and the wire is prevented from falling off.

Description

Technical Field

[0001] The utility model relates to the technical field of wiring terminals, in particular to a threadless wiring terminal. Background Art

[0002] Conventional wiring terminals adopt a hardware structure in which a wire is inserted into a copper material, and then screws or the like are used for threaded fixing of the wire inside the hardware to form a wiring function, and then the housing is assembled. In recent years, some wiring terminal structures that do not require screw or other threaded installation connections have also emerged on the market. These wiring terminals can achieve the effect of directly inserting the wire and then installing and fixing it. However, some existing threadless wiring terminals or one-step wiring terminals have problems such as insufficient firmness of the wiring of the hardware structure, inferior elastic pieces, overly complex structures, and loose fitting between the hardware and the outer shell, resulting in displacement of the installation position of the hardware, etc., leading to low electrical conductivity of the wiring, affecting the wiring effect and quality, and the products of the existing technology need to be improved. Content of the Utility Model

[0003] To overcome at least one of the above-mentioned defects of the existing technology, the utility model provides a wiring terminal with a simple structure, fast installation, safety and reliability.

[0004] The utility model provides the following technical solutions:

[0005] The utility model provides a wiring terminal, including a bottom shell, an upper cover body and a hardware terminal. The two ends of the bottom shell are respectively provided with wire insertion holes communicated with the cavity. Test holes are provided above the wire insertion holes. The hardware terminal includes a spring piece and a bus bar. The bus bar is rectangular and is placed above the middle of the spring piece. The two ends of the hardware terminal are wire insertion ends. The upper end is provided with a first opening and a first clip, and the lower end is provided with a second opening and a second clip. The ends of the first clip and the second clip far away from the body of the hardware terminal are free ends. The first opening, the spring piece and the first clip form a first clamping port, and the second opening, the spring piece and the second clip form a second clamping port. By means of the first clip and the second clip, a clamping force is applied to the exposed wire at the clamping port.

[0006] By respectively arranging the first clip and the second clip at the upper and lower ends of the hardware terminal, the utility model can apply a clamping force to the exposed wire at the clamping port, which is convenient for the insertion connection of the wire, and can firmly fix the wire to prevent the wire from falling off. The structure is simple and can be used repeatedly for many times.

[0007] In addition, in order to improve the electrical conductivity, the bus bar is made of a good conductive material, preferably copper, silver or gold. In an optional solution: the upper end of the hardware terminal extends obliquely upward to the right to form an upper inclined surface structure, and the lower end of the hardware terminal extends obliquely downward to the right to form a lower inclined surface structure, integrally forming a [ shape structure;

[0008] The middle part of the elastic piece is superposed, riveted and connected with the bus bar.

[0009] In an alternative solution: the number and positions of the clamping openings correspond to the number and positions of the clamping pieces and the number and positions of the wire insertion holes.

[0010] In an alternative solution: the bottom shell is surrounded by a bottom plate, a front baffle, a rear baffle, a left side plate and a right side plate; the wire insertion holes are respectively arranged on the front baffle and the rear baffle.

[0011] An upper positioning block and a lower positioning block are respectively arranged at the upper end and the lower end inside the bottom shell, and are respectively extended into the cavity from the wire insertion holes arranged at both ends of the bottom shell for fixing the hardware terminals.

[0012] In an alternative solution: the upper positioning block and the lower positioning block are of an inclined block structure, and the ends are inclined surfaces, which are respectively adapted to the upper inclined surface structure and the lower inclined surface structure of the hardware terminal.

[0013] In an alternative solution: a first positioning hole is arranged at the upper end of the left side plate of the bottom shell, a second positioning hole is arranged at the lower end, and the inner wall extends upward to form a first positioning piece; a third positioning hole is arranged at the upper end of the right side plate of the bottom shell, a fourth positioning hole is arranged at the lower end, and the inner wall extends upward to form a second positioning piece.

[0014] In an alternative solution: the upper cover body includes an upper cover body main body, an upper cover body left side surface, an upper cover body right side surface, an upper cover body front side surface, an upper cover body rear side surface and an upper cover body bottom surface. The upper cover body left side surface, the upper cover body right side surface, the upper cover body front side surface, the upper cover body rear side surface and the upper cover body bottom surface are respectively arranged on the upper cover body main body to form a rectangular groove structure.

[0015] In an alternative solution: a first positioning block is arranged at the upper end of the left side surface of the upper cover body, and the first positioning block is adapted to the first positioning hole at the upper end of the left side plate of the bottom shell. A second positioning block is arranged at the lower end of the left side surface of the cover body, and the second positioning block is adapted to the second positioning hole at the lower end of the left side plate of the bottom shell;

[0016] A third positioning block is arranged at the upper end of the right side surface of the bottom shell, and the third positioning block is adapted to the third positioning hole at the upper end of the right side plate of the bottom shell. A fourth positioning block is arranged at the lower end of the right side surface of the upper cover body, and the fourth positioning block is adapted to the fourth positioning hole at the lower end of the right side plate of the bottom shell.

[0017] In an alternative solution: a middle partition plate is arranged in the inner cavity of the upper cover body to divide the inner cavity of the upper cover body into an upper cavity and a lower cavity.

[0018] In an alternative solution: The middle partition of the upper cover body is adapted to the width of the bottom shell cavity, and the height is preferably such that it can resist the busbar for placing the hardware terminals in the bottom shell cavity. In this way, not only can the hardware terminals in the bottom shell cavity be fixed, but also the upper and lower cavities can be separated, avoiding mutual interference in the functions between the first clip and the second clip.

[0019] In an alternative solution: The upper cavity of the upper cover body is provided with a first convex block and a second convex block, the lower cavity of the upper cover body is provided with a third convex block and a fourth convex block, and a first limiting groove is formed between the left side surface of the upper cover body, the second convex block, the fourth convex block and the middle partition, and a second limiting groove is formed between the right side surface of the upper cover body, the first convex block, the third convex block and the middle partition.

[0020] In an alternative solution: Both the first convex block and the second convex block are trapezoidal in shape with one end connected to the bottom of the bottom shell and the other end being a free end, and the inclined surface faces upward; in this way, it has a limiting and guiding effect on the wire inserted into the wire insertion hole at the same time.

[0021] Both the third convex block and the fourth convex block are trapezoidal in shape with one end connected to the bottom of the cover body and the other end being a free end, and the inclined surface faces downward. In this way, it has a limiting and guiding effect on the wire inserted into the wire insertion hole at the same time.

[0022] In an alternative solution: The width of the first limiting groove is adapted to the width of the first positioning piece on the left side plate of the bottom shell; the first positioning piece can be inserted into the first limiting groove to play a fixing role.

[0023] The width of the second limiting groove is adapted to the width of the second positioning piece on the right side plate of the bottom shell. The second positioning piece can be inserted into the second limiting groove to play a fixing role.

[0024] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0025] First, the present utility model includes a wiring terminal, which includes a bottom shell, an upper cover body and hardware terminals. The two ends of the bottom shell are respectively provided with wire insertion holes communicated with the cavity. By respectively arranging a first clip and a second clip at the upper and lower ends of the hardware terminals, the structure is simple and compact, the electrical conductivity is good, it is safe and reliable, and the installation is convenient, further improving the production efficiency.

[0026] Second, the present utility model has made multiple improvements to the structure of the hardware terminals, such as the improvement of the clip structure, the improvement of the hardware terminals and the improvement of the busbar structure. These improvements not only further improve the clamping effect of the clip on the two ends of the wire and enhance the clamping effect.

[0027] Third, the present utility model has improved the structure of the bottom shell, making the bottom shell structure more compact and practical and reducing the processing cost.

[0028] Fourth, in the present utility model, the upper cavity of the upper cover body is provided with a first limiting groove and a second limiting groove. The first positioning piece on the left side plate of the bottom shell can be inserted into the first limiting groove, and the second positioning piece on the right side plate of the bottom shell can be inserted into the second limiting groove, playing a good fixing role. Brief Description of the Drawings

[0029] Figure 1 It is a cross-sectional view of the terminal of the present utility model.

[0030] Figure 2 It is a cross-sectional view of the terminal of the present utility model with a wire inserted.

[0031] Figure 3 It is a schematic structural view of the housing in the terminal of the present utility model Figure 1 .

[0032] Figure 4 It is a schematic structural view of the housing in the terminal of the present utility model Figure 2 .

[0033] Figure 5 It is a schematic structural view of the hardware in the terminal of the present utility model Figure 1 .

[0034] Figure 6 It is a schematic structural view of the hardware in the terminal of the present utility model Figure 2 .

[0035] Figure 7 It is a schematic structural view of the hardware in the terminal of the present utility model Figure 3 .

[0036] Figure 8 It is a schematic structural view of the cover body in the terminal of the present utility model Figure 1 .

[0037] Figure 9 It is a schematic structural view of the cover body in the terminal of the present utility model Figure 2 .

[0038] In the figure:

[0039] Bottom shell 1, bottom plate 11, front baffle 12, rear baffle 13, left side plate 14, right side plate 15, wire insertion hole 16, cavity 17, upper positioning block 18, lower positioning block 19, test hole 20, first positioning hole 141, second positioning hole 142, first positioning piece 143, third positioning hole 151, fourth positioning hole 152, second positioning piece 153

[0040] Upper cover body 2, upper cover body main body 21, left side surface 22 of the upper cover body, right side surface 23 of the upper cover body, front side surface 24 of the upper cover body, rear side surface 25 of the upper cover body, bottom surface 26 of the upper cover body, middle partition plate 211, upper cavity 212 of the upper cover body, lower cavity 213 of the upper cover body, first convex block 2121, second convex block 2122, third convex block 2131, fourth convex block 2132, first limiting groove 214, first limiting groove 215, first positioning block 221, second positioning block 222, third positioning block 231, fourth positioning block 232

[0041] Hardware terminal 3, elastic piece 31, bus bar 32, first opening 311, first clamping piece 312, second opening 313, second clamping piece 314, first clamping port 33, second clamping port 34, wire 4. Specific implementation manner

[0042] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It 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 invention. In the present utility model, the positive direction of the X-axis is defined as left, and its opposite direction is right; the positive direction of the Y-axis is defined as front, and its opposite direction is rear; the positive direction of the Z-axis is defined as upper, and its opposite direction is lower.

[0043] In the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; 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 internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. 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 circumstances.

[0044] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above", and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature has a higher horizontal height than the second feature.

[0045] In the description of this specification, the descriptions referring to terms such as "embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0046] Please refer to Figures 1-9 The structural schematic diagrams of the wiring terminal of the present utility model from different angles are shown. Read the following embodiments.

[0047] Embodiment 1:

[0048] This embodiment discloses a wiring terminal, which includes a bottom shell 1, an upper cover body 2 and a hardware terminal 3.

[0049] Both ends of the bottom shell are respectively provided with wire insertion holes 16 communicating with the cavity. Above the wire insertion holes, test holes 20 are provided. The test holes are connected to the cavity of the shell and are electrically connected to the hardware terminal through the test holes. Inside the bottom shell, there is a cavity 17 that can accommodate the hardware terminal. The hardware terminal 3 includes a spring piece 31 and a bus bar 32. The bus bar 32 is rectangular and is placed above the middle of the spring piece 31, and the bus bar 32 is superposed and riveted to the middle of the spring piece. Both ends of the hardware terminal are wire insertion ends. The upper end is provided with a first opening 311 and a first clip 312, and the lower end is provided with a second opening 313 and a second clip 314. The ends of the first clip 313 and the second clip 314 away from the body of the hardware terminal are free ends. The first opening, the spring piece and the first clip form a first clamping opening 33, and the second opening, the spring piece and the second clip form a second clamping opening 34. By means of the first clip and the second clip, a clamping force is applied to the exposed wire in the clamping opening.

[0050] By respectively arranging the first clip 312 and the second clip 314 at the upper and lower ends of the hardware terminal 3 of the present utility model, a clamping force can be applied to the exposed wire 4 in the clamping opening, which is convenient for the insertion connection of the wire 4 and can firmly fix the wire to prevent the wire from falling off. The structure is simple and can be used repeatedly for many times.

[0051] The upper end of the hardware terminal 3 extends obliquely upward to the upper right to form an upper inclined surface structure, and the lower end of the hardware terminal 3 extends obliquely downward to the lower right to form a lower inclined surface structure, integrally forming a [character structure.

[0052] The number and position of the clamping openings correspond to the number and position of the clamping pieces and the number and position of the wire insertion holes.

[0053] The bottom case 1 is surrounded by a bottom plate 11, a front baffle 12, a rear baffle 13, a left side plate 14, and a right side plate 15.

[0054] The front baffle 12 and the rear baffle 13 are located at both ends of the case 1 and are respectively provided with wire insertion holes 16.

[0055] An upper positioning block 18 and a lower positioning block 19 are respectively provided at the upper and lower ends inside the bottom case 1, and can fix the hardware terminal 3, which extends from the upper wire insertion hole 16 into the cavity.

[0056] The upper positioning block 18 and the lower positioning block 19 are of an inclined block structure, and the ends are inclined surfaces, which can respectively match the upper inclined surface structure and the lower inclined surface structure on the hardware terminal 3.

[0057] At the upper end of the left side plate 14 of the bottom case 1, a first positioning hole 141 is provided, at the lower end, a second positioning hole 142 is provided, and the inner wall extends upward to form a first positioning piece 143.

[0058] At the upper end of the right side plate 15, a third positioning hole 151 is provided, at the lower end, a fourth positioning hole 152 is provided, and the inner wall extends upward to form a second positioning piece 153.

[0059] The upper cover 2 includes an upper cover body 21, an upper cover left side 22, an upper cover right side 23, an upper cover front side 24, an upper cover rear side 25, and an upper cover bottom 26. The upper cover left side 22, the upper cover right side 23, the upper cover front side 24, the upper cover rear side 25, and the upper cover bottom 26 are respectively provided on the upper cover body 21 and enclose a rectangular groove structure.

[0060] At the upper end of the upper cover left side 22, a first positioning block 221 is provided, and the first positioning block 221 is adapted to the first positioning hole 141 at the upper end of the left side plate of the bottom case. At the lower end of the upper cover left side 22, a second positioning block 222 is provided, and the second positioning block 222 is adapted to the second positioning hole 142 at the lower end of the left side plate of the bottom case.

[0061] At the upper end of the upper cover right side 23, a third positioning block 231 is provided, and the third positioning block 231 is adapted to the third positioning hole 151 at the upper end of the right side plate of the bottom case. At the lower end of the upper cover right side 23, a fourth positioning block 232 is provided, and the fourth positioning block 232 is adapted to the fourth positioning hole 152 at the lower end of the right side plate of the bottom case.

[0062] A middle partition 211 is provided in the middle of the inner cavity of the upper cover 2, which can divide the inner cavity of the bottom case into an upper cavity 212 and a lower cavity 213.

[0063] The middle partition plate 211 of the upper cover body is adapted to the width of the bottom shell cavity, and preferably has a height to abut against the bus bar 32 for placing the hardware terminals in the bottom shell cavity. It can not only fix the hardware terminals 3 in the bottom shell cavity, but also separate the upper and lower cavities, avoiding interference between the first clip 313 and the second clip 314.

[0064] Embodiment 2:

[0065] This embodiment discloses a wiring terminal, which includes a bottom shell 1, an upper cover body 2, and hardware terminals 3. The upper cover body 2 includes an upper cover body main body 21, a left side surface 22 of the upper cover body, a right side surface 23 of the upper cover body, a front side surface 24 of the upper cover body, a rear side surface 25 of the upper cover body, and a bottom surface 26 of the upper cover body. The left side surface 22 of the upper cover body, the right side surface 23 of the upper cover body, the front side surface 24 of the upper cover body, the rear side surface 25 of the upper cover body, and the bottom surface 26 of the upper cover body are respectively arranged on the upper cover body main body 21 to form a rectangular groove structure.

[0066] The upper cavity 212 of the upper cover body is provided with a first convex block 2121 and a second convex block 2122. The lower cavity 213 of the upper cover body is provided with a third convex block 2131 and a fourth convex block 2132. A first limiting groove 214 is formed between the left side surface 22 of the upper cover body, the second convex block 2121, the fourth convex block 2132, and the middle partition plate 211. A second limiting groove 215 is formed between the right side surface 23 of the upper cover body, the first convex block 2122, the third convex block 2131, and the middle partition plate 211.

[0067] One end of the first convex block 2121 and the second convex block 2122 is connected to the bottom of the bottom shell 1, and the other end is a free end, trapezoidal in shape with an upward slope, which can be used to fix the first clip 313 at the upper end of the hardware terminal, and at the same time has a limiting and guiding effect on the wire 4 inserted into the wire insertion hole.

[0068] One end of the third convex block 2131 and the fourth convex block 2132 is connected to the bottom of the bottom shell 1, and the other end is a free end, trapezoidal in shape with a downward slope, which can be used to fix the second clip 314 at the lower end of the hardware terminal, and at the same time has a limiting and guiding effect on the wire 4 inserted into the wire insertion hole.

[0069] The width of the first limiting groove 214 is adapted to the width of the first positioning piece 143 on the left side plate of the bottom shell. The first positioning piece 143 can be inserted into the first limiting groove 214 to play a fixing role.

[0070] The width of the second limiting groove 215 is adapted to the width of the second positioning piece 153 on the right side plate of the bottom shell. The second positioning piece 153 can be inserted into the second limiting groove 215 to play a fixing role.

[0071] In the present utility model, a first limiting groove and a second limiting groove are provided in the upper cavity of the upper cover body. The first positioning piece on the left side plate of the bottom shell is inserted into the first limiting groove, and the second positioning piece on the right side plate of the bottom shell is inserted into the second limiting groove to play a good fixing role.

[0072] Embodiment 3:

[0073] This embodiment discloses a wiring terminal, which includes a bottom shell 1, an upper cover body 2 and a hardware terminal 3. The upper cover body 2 includes an upper cover body main body 21, a left side surface 22 of the upper cover body, a right side surface 23 of the upper cover body, a front side surface 24 of the upper cover body, a rear side surface 25 of the upper cover body and a bottom surface 26 of the upper cover body. The left side surface 22 of the upper cover body, the right side surface 23 of the upper cover body, the front side surface 24 of the upper cover body, the rear side surface 25 of the upper cover body and the bottom surface 26 of the upper cover body are respectively arranged on the upper cover body main body 21 to enclose a rectangular groove structure.

[0074] The above-mentioned bottom shell 1 is surrounded by a bottom plate 11, a front baffle 12, a rear baffle 13, a left side plate 14 and a right side plate 15. The front baffle 12 and the rear baffle 13 are located at both ends of the shell 1 and are respectively provided with wire insertion holes 16. Test holes are provided above the wire insertion holes.

[0075] A cavity 17 for accommodating the hardware terminal is provided inside the bottom shell 1. The hardware terminal 3 includes a spring piece 31 and a bus bar 32. The bus bar 32 is rectangular and is placed above the middle of the spring piece, and the bus bar 32 is superposed and riveted to the middle of the spring piece. Both ends of the hardware terminal are wire insertion ends. The upper end is provided with a first opening 311 and a first clip 312, and the lower end is provided with a second opening 313 and a second clip 314. The ends of the first clip 313 and the second clip 314 away from the main body of the hardware terminal are free ends. The first opening, the spring piece and the first clip form a first clamping port 33, and the second opening, the spring piece and the second clip form a second clamping port 34. By means of the first clip and the second clip, a clamping force is applied to the exposed wire in the clamping port. In the present utility model, by respectively arranging the first clip 313 and the second clip 314 at the upper and lower ends of the hardware terminal 3, a clamping force can be applied to the exposed wire 4 in the clamping port, which is convenient for the insertion connection of the wire 4 and can firmly fix the wire to prevent the wire from falling off. The structure is simple and can be used repeatedly for many times.

[0076] In the present utility model, by respectively arranging the first clip and the second clip at the upper and lower ends of the hardware terminal, the structure is simple and compact, the electrical conductivity is good, it is safe and reliable, and it is convenient for installation, further improving the production efficiency.

[0077] In addition, in order to improve the electrical conductivity, the gasket 32 is made of a good conductive material, preferably copper, silver or gold.

[0078] Obviously, the above embodiments of the present utility model are merely examples for clearly illustrating the present utility model, rather than limitations on the implementation manners of the present utility model. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all implementation manners here. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims

1. A terminal block, comprising a bottom shell with a cavity, a hardware terminal placed in the cavity and an upper cover, characterized in that: Both ends of the bottom shell are respectively provided with wire insertion holes connected to the cavity, and test holes are provided above the wire insertion holes. The hardware terminal includes a spring sheet and a bus, and the bus is rectangular and placed above the middle of the spring sheet. Both ends of the hardware terminal are wire insertion ends, the upper end is provided with a first opening and a first clamp, and the lower end is provided with a second opening and a second clamp. The ends of the first clamp and the second clamp away from the hardware terminal are free ends. The first opening, the spring sheet and the first clamp constitute a first clamping port, and the second opening, the spring sheet and the second clamp constitute a second clamping port. Through the first clamp and the second clamp, a clamping force is applied to the exposed wire of the clamping port.

2. A terminal block according to claim 1, characterized in that: The upper end of the hardware terminal extends obliquely to the upper right to form an upper inclined surface structure, and the lower end of the hardware terminal extends obliquely to the lower right to form a lower inclined surface structure, forming a [-shaped structure as a whole; The middle part of the spring sheet is overlapped and riveted to the busbar.

3. A terminal block according to claim 1, characterized in that: The number and position of the clamping openings correspond to the number and position of the clips and the number and position of the wire insertion holes.

4. A terminal block according to claim 2, characterized in that: The bottom shell is surrounded by a bottom plate, a front baffle, a rear baffle, a left side plate and a right side plate; and the wire plugging holes are respectively arranged on the front baffle and the rear baffle.

5. A terminal block according to claim 4, characterized in that: An upper positioning block and a lower positioning block are respectively provided at the upper end and the lower end of the bottom shell, and are respectively extended from the wire insertion holes provided at the two ends of the bottom shell into the cavity, and are used to fix the hardware terminals.

6. A terminal block according to claim 5, characterized in that: The upper positioning block and the lower positioning block are inclined block structures with inclined surfaces at the ends, which are respectively matched with the upper inclined surface structure and the lower inclined surface structure of the hardware terminal.

7. A terminal block according to claim 4, characterized in that: The upper end of the left side plate of the bottom shell is provided with a first positioning hole, the lower end is provided with a second positioning hole, and the inner wall extends upward to form a first positioning piece; the upper end of the right side plate is provided with a third positioning hole, the lower end is provided with a fourth positioning hole, and the inner wall extends upward to form a second positioning piece.

8. A terminal block according to claim 7, characterized in that: The upper cover body includes an upper cover body main body, an upper cover body left side surface, an upper cover body right side surface, an upper cover body front side surface, an upper cover body rear side surface and an upper cover body bottom surface. The upper cover body left side surface, upper cover body right side surface, upper cover body front side surface, upper cover body rear side surface and upper cover body bottom surface are respectively arranged on the upper cover body main body to form a rectangular trough structure.

9. A terminal block according to claim 8, characterized in that: A first positioning block is provided at the upper end of the left side surface of the upper cover body, and the first positioning block is matched with the first positioning hole at the upper end of the left side plate of the bottom shell; a second positioning block is provided at the lower end of the left side surface of the upper cover body, and the second positioning block is matched with the second positioning hole at the lower end of the left side plate of the bottom shell; A third positioning block is provided at the upper end of the right side surface of the upper cover body, and the third positioning block is matched with the third positioning hole at the upper end of the right side plate of the bottom shell. A fourth positioning block is provided at the lower end of the right side surface of the upper cover body, and the fourth positioning block is matched with the fourth positioning hole at the lower end of the right side plate of the bottom shell.

10. A connection terminal according to claim 8, characterized in that: The inner cavity of the upper cover body is provided with a middle partition plate to divide the inner cavity of the upper cover body into an upper cavity and a lower cavity.

11. The connection terminal according to claim 10, characterized in that: The partition in the upper cover body is adapted to the width of the bottom shell cavity, and the height is suitable for supporting the busbar with the hardware terminals placed in the bottom shell cavity.

12. The connection terminal according to claim 8, characterized in that: The upper cavity of the upper cover body is provided with a first protrusion and a second protrusion, the lower cavity of the upper cover body is provided with a third protrusion and a fourth protrusion, a first limiting groove is formed between the left side surface of the upper cover body and the second protrusion, the fourth protrusion and the middle partition, and a second limiting groove is formed between the right side surface of the upper cover body and the first protrusion, the third protrusion and the middle partition.

13. The connection terminal according to claim 12, characterized in that: The first protrusion and the second protrusion are both connected to the bottom of the upper cover at one end and are free at the other end, and are trapezoidal in shape with the inclined surface facing upward; The third and fourth protrusions are both connected to the bottom of the upper cover at one end and are free at the other end, and are trapezoidal in shape with the slope facing downward.

14. The connection terminal according to claim 12, characterized in that: The width of the first limiting groove matches the width of the first positioning piece on the left side plate of the bottom shell; The width of the second limiting groove matches the width of the second positioning piece on the right side plate of the bottom shell.

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