Wiring terminal
By designing a terminal including a housing, plug and hardware terminal, and using a hardware terminal composed of elastic clips and busbars, the existing threadless terminal structure is not firm enough and the conductivity is low, and the conductivity and wiring quality are achieved.
Patent Information
- Application Number
- CN202421176836.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The existing threadless terminals have poor wiring terminations due to the insolid structure of the hardware, the poor elastic sheet, the complex structure, and the inadequate installation of the hardware and the shell, resulting in low conductivity of wiring, which affects the wiring effect and quality.
A wiring terminal including a housing, a plug and a hardware terminal is designed. The hardware terminal consists of an elastic clip and a busbar. The upper end of the clamping wire port is an elastic clip and the lower end is a busbar. The clamping wire port, an elastic clip and a busbar form a clamping port for clamping wires and a limit strip is set inside the housing to prevent the hardware terminal from being over-installed.
By setting elastic clips on the hardware terminals, the clamping force and stability of the wires are improved, the conductivity and contact effect of the hardware terminals are enhanced, the product structure and installation process are simplified, and the production efficiency and wiring quality are improved.
Smart Images
Figure CN223007003U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of a wiring terminal, 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, etc. are used for threadedly fixing the wire in 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 thread installation connections have also emerged in 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 housing, 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 it is necessary to improve the products of the existing technology.
[0003] To overcome at least one of the above-mentioned defects of the existing technology, a wiring terminal with a simple structure, fast installation, safety and reliability is provided. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a wiring terminal to solve at least one of the problems raised in the above background art.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] The utility model provides a wiring terminal, including a housing, a plug and a hardware terminal. A cavity capable of accommodating the hardware terminal is arranged inside the housing. The plug is provided with a wire insertion hole communicating with the cavity. An open structure communicating with the cavity is arranged on the top surface of the housing. The hardware terminal is composed of a bus bar and an elastic clip. The hardware terminal has at least one clamping opening. The upper end of the clamping opening of the hardware terminal is an elastic clip, and the lower end of the clamping opening of the hardware terminal is a bus bar. The upper end of the elastic clip is connected to the upper end of the hardware terminal, and the lower end of the elastic clip is a free end, and this free end is laminated on the bus bar. The clamping opening, the elastic clip and the bus bar form a clamping port for clamping an electric wire.
[0007] By arranging an elastic clip on the hardware terminal, the elastic clip can apply a clamping force to the exposed wire of the clamping port, facilitating the insertion connection of the wire and firmly fixing the wire to prevent the wire from falling off, with a simple structure and convenient use.
[0008] In order to enhance the conduction rate of the hardware terminal and improve the contact effect, a spacer is arranged between two adjacent clamping openings of the hardware terminal to avoid mutual interference between two adjacent elastic clips.
[0009] The spacer is provided with a dividing line, which further avoids the mutual interference of the functions of two adjacent elastic clips.
[0010] In order to improve the electrical conductivity, the bus bar is made of a good electrical conductive material, preferably copper or silver.
[0011] 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.
[0012] Furthermore, in the above-mentioned terminal, the housing is surrounded by a bottom plate, a front baffle, a rear baffle, a left side plate and a right side plate.
[0013] The interior of the housing is provided with limiting strips for preventing the over-installation of the hardware terminals, and the number of the limiting strips is at least two.
[0014] Furthermore, in the above-mentioned terminal, the number of the limiting strips is three, including a first limiting strip, a second limiting strip and a third limiting strip;
[0015] One end of the first limiting strip is fixed at the bottom of the housing and is connected to the inner wall of the front baffle, the other end is a free end, and the end is inclined. A first clamping groove is formed between the first limiting strip and the front baffle, and a second clamping groove is formed between the first limiting strip and the rear baffle;
[0016] The second limiting strip is arranged on the inner wall of the left side plate, and the end of the second limiting strip is inclined;
[0017] The third limiting strip is arranged on the inner wall of the right side plate, and the end of the third limiting strip is inclined;
[0018] The second limiting strip and the third limiting strip are corresponding in position in the inner cavity of the housing, and the inclination angles of their ends are the same.
[0019] Furthermore, in the above-mentioned terminal, the height of the first limiting strip is the same as that of the second limiting strip or the third limiting strip.
[0020] Furthermore, in the above-mentioned terminal, the front baffle and the rear baffle are both provided with grooves, and at least two positioning holes are provided on the grooves;
[0021] The top of the front baffle is provided with a first groove, a first positioning hole is provided on the first groove, and the first limiting strip is connected to the inner wall;
[0022] The top of the rear baffle is provided with a second groove, and a second positioning hole is provided on the second groove.
[0023] Further, in the above-mentioned terminal block, the plug includes a plug body, a top surface of the plug, a left side surface of the plug, a right side surface of the plug, a front side surface of the plug, a rear side surface of the plug, and a bottom surface of the plug. The left side surface of the plug, the right side surface of the plug, the front side surface of the plug, the rear side surface of the plug, and the bottom surface of the plug are respectively arranged on the plug body, enclosing a trapezoidal groove structure.
[0024] Further, in the above-mentioned terminal block, the size and shape of the plug are adapted to the open structure of the housing. At least two limiting blocks are provided on the outer walls of the front side surface and the rear side surface of the plug. The number, size, and shape of the limiting blocks are adapted to the number, size, and shape of the grooves of the front baffle and the rear baffle.
[0025] Further, in the above-mentioned terminal block, the plug is provided with a first limiting block and a second limiting block. The first limiting block and the second limiting block are respectively provided with a clamping protrusion. The size and shape of the clamping protrusion are adapted to the size and shape of the first positioning hole and the second positioning hole. The clamping protrusion can pass through the first positioning hole and the second positioning hole to play a fixing role.
[0026] Further, in the above-mentioned terminal block, at least one test port is provided at the bottom of the housing. The test port is communicated with the cavity of the housing and is electrically connected to the hardware terminal through the test port.
[0027] During installation, the upper end of the hardware terminal is located in the first clamping groove between the first limiting strip and the front baffle, and the lower end of the hardware terminal is located in the second clamping groove between the first limiting strip and the rear baffle, playing a positioning role. The bottom surface of the plug is an inclined surface and is adapted to the positions of the upper end and the lower end of the hardware terminal.
[0028] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0029] First, the present utility model includes a housing, a hardware terminal, and a plug, with a simple and compact structure, good electrical conductivity, safety and reliability, and convenient installation. It simplifies the product structure and installation process, and further improves the production efficiency.
[0030] Second, the present utility model has made multiple improvements to the structure of the hardware terminal, such as the improvement of the clip structure, the improvement of the hardware terminal body, and the improvement of the bus bar structure. These improvements not only further improve the clamping effect of the clip of the hardware terminal on the wire, enhance the clamping effect, optimize the structure of the hardware terminal, and improve the electrical conductivity.
[0031] Third, the present utility model has improved the structure of the housing, making the internal structure of the housing more compact and lightweight, more practical, simplifying the structure setting of the housing, thereby reducing the processing difficulty and the processing cost.
[0032] Fourth, the utility model improves the plug structure. In particular, a first limiting block and a second limiting block are provided on the outer walls of the front side and the rear side of the plug. The first limiting block and the second limiting block are respectively adapted to the first groove of the front baffle and the second groove of the rear baffle of the housing, which is convenient for installation and prevents falling off and displacement. Brief Description of the Drawings
[0033] Figure 1 is a schematic structural view of the terminal of the utility model Figure 1 .
[0034] Figure 2 is a top view of the terminal of the utility model.
[0035] Figure 3 is a sectional view of the terminal of the utility model Figure 1 .
[0036] Figure 4 is a sectional view of the terminal of the utility model Figure 2 .
[0037] Figure 5 is a right view of the terminal of the utility model.
[0038] Figure 6 is a schematic structural view of the terminal of the utility model Figure 2 .
[0039] Figure 7 is a schematic structural view of the terminal of the utility model Figure 3 .
[0040] Figure 8 is a schematic structural view of the plug in the terminal of the utility model Figure 1 .
[0041] Figure 9 is a schematic structural view of the plug in the terminal of the utility model Figure 2 .
[0042] Figure 10 is a schematic structural view of the plug in the terminal of the utility model Figure 3 .
[0043] Figure 11 is a schematic structural view of the plug in the terminal of the utility model Figure 4 .
[0044] Figure 12 is a schematic structural view of the plug in the terminal of the utility model Figure 5 .
[0045] Figure 13 is a schematic structural view of the hardware in the terminal of the utility model Figure 1 .
[0046] Figure 14 Structural schematic of the hardware part in the terminal of the present utility model Figure 2 。
[0047] In the figure: housing 1, front baffle 11, rear baffle 12, left side plate 13, right side plate 14, bottom plate 15, test port 151, cavity 16, limit strip 17, first limit strip 171, second limit strip 131, third limit strip 141, first clamping groove 18,
[0048] second clamping groove 19, first groove 111, first positioning hole 1111, second groove 112, second positioning hole 1121, wire 4.
[0049] plug 2, plug body 21, top surface of the plug 22, left side surface of the plug 23, right side surface of the plug 24, front side surface of the plug 25, rear side surface of the plug 26, bottom surface of the plug 27, wire insertion hole 28, first limit block 251, second limit block 261, clamping protrusion 2511, clamping protrusion 2611.
[0050] hardware terminal 3, elastic clip 31, bus bar 32, wire clamping port 33, clamping port 34, spacer 35, dividing line 351, Detailed implementation manners
[0051] 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, 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 of 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 up, and its opposite direction is down.
[0052] In the present utility model, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", "fixed", 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 situations.
[0053] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may mean 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", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature.
[0054] 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 may be combined in a suitable manner in any one or more embodiments or examples. In addition, without mutual 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.
[0055] Please refer to Figures 1 - 14 The structural schematic diagrams of the wiring terminal of the present utility model are shown from different angles. Read the following embodiments.
[0056] Embodiment:
[0057] Refer to Figures 1 - 14 The present utility model discloses a wiring terminal, which includes a housing 1, a plug 2 and a hardware terminal 3.
[0058] The top surface of the housing 1 is provided with an open structure communicating with the cavity, and a cavity 16 for accommodating the hardware terminal is arranged inside the housing, as Figures 13 - 14 shown, the hardware terminal 3 includes an elastic clip 31 and a bus bar 32. The hardware terminal has at least one or more wire clamping openings 33. The upper end of the wire clamping opening 33 of the hardware terminal is the elastic clip 31, and the lower end of the wire clamping opening of the hardware terminal is the bus bar 32. The upper end of the elastic clip is connected to the upper end of the hardware terminal, and the lower end of the elastic clip is a free end, which is laminated on the bus bar. The wire clamping opening 33, the elastic clip 31 and the bus bar 32 form a clamping opening 34 for clamping a wire.
[0059] By arranging the elastic clip 31 on the hardware terminal 3 of the present utility model, a clamping force can be applied to the exposed wire 4 at the clamping opening 34, 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 the use is convenient.
[0060] In order to enhance the conduction rate of the hardware terminal and improve the contact effect, a gap 35 is arranged between two adjacent clamping openings 34 of the hardware terminal 3 to avoid mutual interference between adjacent clips.
[0061] The spacer 35 is provided with a dividing line 351 to prevent interference between adjacent clip pieces.
[0062] To improve the electrical conductivity, the bus bar 32 is made of a good electrical conductive material, preferably copper, silver, gold, etc.
[0063] The number and position of the clamping openings 34 correspond to the number and position of the elastic clip pieces 31 and the number and position of the wire insertion holes.
[0064] The housing 1 is surrounded by a front baffle 11, a rear baffle 12, a left side plate 13, a right side plate 14 and a bottom plate 15.
[0065] Inside the housing 1, there are limiting strips 17 for preventing the over - installation of the hardware terminals, and the number of the limiting strips 17 is at least two or more.
[0066] In this embodiment, the limiting strip 17 includes a first limiting strip 171, a second limiting strip 172 and a third limiting strip 173.
[0067] One end of the first limiting strip 171 is fixed to the bottom of the housing and connected to the inner wall of the front baffle. The other end is a free end, and the end is inclined. A first clamping groove 18 is formed between the first limiting strip 171 and the front baffle 11, and a second clamping groove 19 is formed between the first limiting strip 171 and the rear baffle 12.
[0068] The second limiting strip 131 is arranged on the inner wall of the left side plate 13, and the end of the second limiting strip 131 is inclined;
[0069] The third limiting strip 141 is arranged on the inner wall of the right side plate 14, and the end of the third limiting strip 141 is inclined;
[0070] The second limiting strip 131 and the third limiting strip 141 are corresponding in position in the inner cavity of the housing, and the inclination angles of their ends are the same.
[0071] Furthermore, in the above - mentioned wiring terminal, the height of the first limiting strip is the same as the height of the second limiting strip or the third limiting strip.
[0072] Both the front baffle and the rear baffle are provided with grooves, and at least two positioning holes are provided on the grooves; a first groove 111 is provided at the top of the front baffle 11, a first positioning hole 1111 is provided on the first groove 111, and the inner wall is connected to the first limiting strip 171. A second groove 121 is provided at the top of the rear baffle 12, and a second positioning hole 1211 is provided on the second groove 121.
[0073] The bottom plate 15 of the housing is provided with a test port 151, and the test port 151 is communicated with the housing cavity 16, and the hardware terminal can be electrically connected through the test port.
[0074] As Figures 8 - 12 shown, the plug 2 includes a plug body 21, a top surface 22 of the plug, a left side surface 23 of the plug, a right side surface 24 of the plug, a front side surface 25 of the plug, a rear side surface 26 of the plug, and a bottom surface 27 of the plug. The plug body 21, the top surface 22 of the plug, the left side surface 23 of the plug, the right side surface 24 of the plug, the front side surface 25 of the plug, the rear side surface 26 of the plug, and the bottom surface 27 of the plug are respectively arranged on the plug body, enclosing a trapezoidal groove structure.
[0075] The size and shape of the plug 2 are adapted to the open structure of the housing. A wire insertion hole 28 is provided on the plug, and the wire insertion hole 28 communicates with the housing cavity 16.
[0076] At least two limiting blocks are provided on the outer walls of the front side surface and the rear side surface of the plug. The number, size, and shape of the limiting blocks are adapted to the number, size, and shape of the grooves of the front baffle and the rear baffle.
[0077] A first limiting block 251 and a second limiting block 261 are provided on the outer walls of the front side surface 25 and the rear side surface 26 of the plug. The first limiting block 251 and the second limiting block 261 are respectively adapted to the size and shape of the first groove 111 of the front baffle and the second groove 112 of the rear baffle.
[0078] The first limiting block 251 and the second limiting block 261 of the plug are respectively provided with clamping protrusions 2511 and 2611. The size and shape of the clamping protrusions 2511 and 2611 are adapted to the size and shape of the first positioning hole 1111 and the second positioning hole 1121. The clamping protrusions 2511 and 2611 can respectively pass through the first positioning hole 1111 and the second positioning hole 1121 to play a fixing role.
[0079] During installation, the upper end of the hardware terminal 3 is located in a first clamping groove 18 formed between the first limiting strip 171 and the front baffle 11, and the lower end of the hardware terminal 3 is located in a second clamping groove 19 formed between the first limiting strip 171 and the rear baffle 12, playing a role in positioning and stabilizing. The bottom surface 27 of the plug is an inclined surface and is adapted to the positions of the upper end and the lower end of the hardware terminal 3, and can also play a fixing role.
[0080] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limitations on the implementation manners of the present invention. 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 the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.
Claims
1. A terminal block, comprising a housing, a plug and a hardware terminal, characterized in that: The shell is provided with a cavity that can accommodate the hardware terminal, the plug is provided with a wire insertion hole connected to the cavity, the top surface of the shell is provided with an open mouth structure connected to the cavity, the hardware terminal is composed of a bus and an elastic clip, the hardware terminal has at least one wire clamping opening, the upper end of the wire clamping opening of the hardware terminal is an elastic clip, the lower end of the wire clamping opening of the hardware terminal is a bus, the upper end of the elastic clip is connected to the upper end of the hardware terminal, the lower end of the elastic clip is a free end, the free end is superimposed on the bus, the wire clamping opening, the elastic clip and the bus constitute a clamping opening for clamping the wire.
2. A terminal block according to claim 1, characterized in that: A spacer is provided between two adjacent clamping openings of the hardware terminal to prevent the two adjacent clamping pieces from interfering with each other.
3. A terminal block according to claim 2, characterized in that: A dividing line is arranged on the spacer to prevent two adjacent clips from interfering with each other.
4. 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 plugging holes.
5. A terminal block according to claim 4, characterized in that: The shell is surrounded by a bottom plate, a front baffle, a rear baffle, a left side plate and a right side plate; The housing is provided with a limit strip for limiting the over-installation of the hardware terminal, and the number of the limit strips is at least two.
6. A terminal block according to claim 5, characterized in that: The number of the limit strips is 3, including a first limit strip, a second limit strip, and a third limit strip; One end of the first limit strip is fixed to the bottom of the shell and connected to the inner wall of the front baffle, and the other end is a free end with an oblique end, a first clamping groove is formed between the first limit strip and the front baffle, and a second clamping groove is formed between the first limit strip and the rear baffle; The second limit strip is arranged on the inner wall of the left side plate, and the end of the second limit strip is inclined; The third limiting strip is arranged on the inner wall of the right side plate, and the end of the third limiting strip is oblique; The second limiting strip and the third limiting strip are located at corresponding positions in the inner cavity of the shell, and the inclination angles of the ends of the two are the same.
7. A terminal block according to claim 6, characterized in that: The height of the first limiting strip is the same as the height of the second limiting strip or the third limiting strip.
8. A terminal block according to claim 6, characterized in that: The front baffle and the rear baffle are both provided with a groove, and the groove is provided with at least two positioning holes; A first groove is provided on the top of the front baffle, a first positioning hole is provided on the first groove, and a first limiting strip is connected to the inner wall; A second groove is provided on the top of the rear baffle, and a second positioning hole is provided on the second groove.
9. A terminal block according to claim 5, characterized in that: The plug includes a plug body, a plug top surface, a plug left side surface, a plug right side surface, a plug front side surface, a plug rear side surface and a plug bottom surface. The plug left side surface, plug right side surface, plug front side surface, plug rear side surface and plug bottom surface are respectively arranged on the plug body to form a trapezoidal trough structure.
10. A connection terminal according to claim 9, characterized in that: The size and shape of the plug are compatible with the open mouth structure of the shell, and at least two limit blocks are provided on the outer walls of the front side and the rear side of the plug. The number, size and shape of the limit blocks are compatible with the number, size and shape of the grooves of the front baffle and the rear baffle.
11. A connection terminal according to claim 9, characterized in that: The plug is provided with a first limit block and a second limit block, and the first limit block and the second limit block are respectively provided with a clamping protrusion, the size and shape of the clamping protrusion are adapted to the size and shape of the first positioning hole and the second positioning hole, and the clamping protrusion can pass through the first positioning hole and the second positioning hole to play a fixing role.
12. A terminal block according to any one of claims 1 to 11, characterized in that: The shell body is provided with at least one test port at the bottom, the test port is communicated with the shell body cavity, and is electrically connected with the hardware terminal through the test port.