A wiring terminal

Abstract

The utility model discloses a terminal block, comprising: a base; a wire pressing spring, which comprises a left spring and a right spring; a conductive sheet; an outer cover, wherein a first inner cavity is provided on the inner side of the outer cover, the wire pressing spring and the conductive sheet are both provided in the first inner cavity, and the base is fixedly connected to the lower side of the outer cover; a pressing member, which comprises a pressing seat, a first pressing arm extending to the right from the right side of the pressing seat, a second pressing arm extending to the left from the right side of the first pressing arm, a first pressing portion passing downward through a first pressing hole, and a second pressing portion passing downward through a second pressing hole. The pressing member of the terminal block comprises a first pressing arm and a second pressing arm, wherein the first pressing portion of the first pressing arm and the second pressing portion of the second pressing arm correspond to the right spring and the left spring respectively, which is equivalent to integrating two buttons in the prior art into one part, thereby reducing the number of parts of the terminal block and does not affect the pressing of the left spring and the right spring.

Description

Technical Field

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

[0002] Terminal blocks are commonly used electrical connection components for quickly connecting two wires. Currently, some terminal blocks release or fix the wire by pressing a spring with a key. When the spring is pressed, the wire can be inserted or released. When the key is released, the spring rebounds and presses the wire. Existing keys are usually set to two, one key is responsible for pressing one spring. Such terminal blocks require more parts and are more complicated to install. Utility Model Content

[0003] The main purpose of the utility model is to provide a wiring terminal, aiming to solve the technical problem that the wiring terminal in the prior art is provided with two buttons to press two springs respectively, which requires a large number of parts and is complicated to install.

[0004] To achieve the above object, the utility model provides a wiring terminal, comprising:

[0005] Base;

[0006] A wire pressing spring sheet, which is arranged on the upper side of the base, and the wire pressing spring sheet includes a left spring sheet and a right spring sheet;

[0007] A conductive sheet, which is arranged on the upper sides of the left spring sheet and the right spring sheet, the left spring sheet can be brought into contact with or separated from the left side of the conductive sheet by means of elastic deformation, and the right spring sheet can be brought into contact with or separated from the right side of the conductive sheet by means of elastic deformation;

[0008] An outer cover, wherein a first inner cavity is provided on the inner side of the outer cover, a first opening is provided on the lower side of the outer cover, a first pressing hole and a second pressing hole are provided on the upper side wall of the outer cover, a left wiring hole is provided on the left side wall of the outer cover, and a right wiring hole is provided on the right side wall of the outer cover, the first opening, the first pressing hole, the left wiring hole and the right wiring hole are all connected to the first inner cavity, the wire pressing spring sheet and the conductive sheet are both provided in the first inner cavity, the left wiring hole is directly opposite to the left spring sheet and the conductive sheet, the right wiring hole is directly opposite to the right spring sheet and the conductive sheet, the base is fixedly connected to the lower side of the outer cover, the first pressing hole is provided on the upper side of the right spring sheet, and the second pressing hole is provided on the upper side of the left spring sheet;

[0009] A pressing member includes a pressing seat, which is fixedly connected to the left side of the outer cover, a first pressing arm extending to the right from the right side of the pressing seat, a second pressing arm extending to the left from the right side of the first pressing arm, the first pressing arm and the second pressing arm are both arranged on the upper side of the outer cover, a first pressing portion is provided on the lower right side of the first pressing arm, and a second pressing portion is provided on the lower left side of the second pressing arm, the first pressing portion passes downwardly through the first pressing hole, and the second pressing portion passes downwardly through the second pressing hole, the first pressing portion can press the right spring sheet downwardly away from the conductive sheet and / or the second pressing portion can press the left spring sheet downwardly away from the conductive sheet.

[0010] The pressing seat of the pressing member extends a first pressing arm to the right, and a second pressing arm extends to the left from the right end of the first pressing arm. When the right end of the first pressing arm is pressed, the right end of the first pressing arm bends downward, so that the first pressing part can move downward without pressing the second pressing part. When the left end of the second pressing arm is pressed, the left end of the second pressing arm bends downward, so that the second pressing part can move downward without pressing the first pressing part. The pressing actions of the first pressing part and the second pressing part do not affect each other.

[0011] The pressing member of the terminal block includes a first pressing arm and a second pressing arm. The first pressing portion of the first pressing arm and the second pressing portion of the second pressing arm correspond to the right spring sheet and the left spring sheet respectively, which is equivalent to integrating the two buttons in the prior art into one part, thereby reducing the number of parts of the terminal block and does not affect the pressing of the left spring sheet and the right spring sheet.

[0012] Preferably, a fixing groove is provided on the left side of the outer cover, the left wiring hole is communicated with the fixing groove, the pressing seat is fixed in the fixing groove, a wire passing hole is provided on the pressing seat, and the wire passing hole is opposite to the left wiring hole.

[0013] The pressing seat of the pressing member is fixed in the fixing groove on the left side of the outer cover, and the first pressing arm and the second pressing arm of the pressing member can be located on the upper side of the outer cover; a wire passing hole is arranged on the pressing seat, and the wire can pass through the wire passing hole and enter the left wiring hole, so that the pressing seat does not block the wiring.

[0014] Preferably, a first clamping slot is provided on the front side wall and / or the rear side wall of the fixing slot, and a first clamping block is provided on the pressing seat, and the first clamping block is clamped in the first clamping slot.

[0015] When the pressing seat is inserted into the fixing groove, the first clamping block of the pressing seat enters and is clamped in the first clamping groove of the fixing groove, so that the pressing seat is fixed in the fixing groove, and the installation is simple and quick.

[0016] Preferably, a right dividing seam is provided in the middle of the right spring sheet in the front-to-back direction, and the number of the right wiring holes is two, which are respectively opposite to the right spring sheet on the front and back sides of the right dividing seam, and the first pressing portion can press the right spring sheet on the front and back sides of the right dividing seam.

[0017] A right dividing seam is arranged in the middle of the right spring sheet, and the right dividing seam can divide the right spring sheet into two parts, front and rear parts. When two wires are connected on the right side at the same time, the two wires can be respectively inserted into the two right wiring holes, and the front and rear parts of the right spring sheet respectively press the two wires. The front and rear parts of the right spring sheet can respectively adapt to the wire diameters of the two wires, thereby pressing the wires more firmly.

[0018] Preferably, the conductive sheet is a grounding conductive sheet, the left end of which passes through the left wiring hole and extends to the outside of the outer cover, or the right end of which passes through the right wiring hole and extends to the outside of the outer cover.

[0019] When one side of the terminal block needs to be grounded, a grounding conductive sheet can be used. The left end of the grounding conductive sheet directly passes through the left wiring hole and extends to the outside of the outer cover, and the right end of the grounding conductive sheet is connected to the wire. Alternatively, the right end of the grounding conductive sheet directly passes through the right wiring hole and extends to the outside of the outer cover, and the left end of the grounding conductive sheet is connected to the wire. The part of the grounding conductive sheet extending out of the outer cover can be directly connected to the grounding part of the equipment. No additional wiring is required between the grounding part of the equipment and the terminal block, which can simplify the grounding installation.

[0020] Preferably, the first pressing arm is provided with two first pressing parts arranged front to back, the second pressing arm is provided with two second pressing parts, the two second pressing arms are respectively located at the front and rear sides of the first pressing arm, each second pressing arm is provided with one second pressing part, and the outer cover is provided with two first pressing holes and two second pressing holes.

[0021] Preferably, the wire pressing spring also includes a mounting plate, the left spring plate and the right spring plate are respectively arranged on the upper left side and the upper right side of the mounting plate, the mounting plate is provided with a mounting groove, the base includes a lower seat and a mounting middle block arranged on the upper side of the lower seat, the conductive plate is arranged on the upper side of the mounting middle block, mounting pressure blocks are extended from the left and right sides of the mounting middle block, the mounting plate is inserted between the mounting pressure block and the lower seat, and the mounting middle block is inserted in the mounting groove.

[0022] The mounting piece of the wire pressing spring piece is inserted between the lower side of the base and the mounting pressure block. The mounting pressure block presses the mounting piece to fix the wire pressing spring piece, which is convenient for installing and fixing the wire pressing spring piece. The mounting piece is provided with an mounting groove to avoid the connection between the installation middle block and the lower seat, which can increase the contact area between the installation pressure block and the mounting piece.

[0023] Preferably, a second card slot is provided on the outer cover, the base is at least partially provided in the first inner cavity, a second card block is provided on the base, and the second card block is connected to the second card slot.

[0024] At least part of the base is arranged in the first inner cavity, and the second clamping block of the base enters and is clamped in the second clamping groove of the outer cover, so that the base and the outer cover are fixed, and the installation is relatively simple and quick.

[0025] Preferably, a connecting groove and a connecting block are provided on the outer cover, and the connecting groove and the connecting block are respectively arranged at the front and rear sides of the outer cover, and the connecting groove and the connecting block are arranged to match each other in shape.

[0026] The connection groove of one outer cover can be matched and connected with the connection block of another outer cover, so that a plurality of wiring terminals can be connected side by side.

[0027] Preferably, the outer cover is provided with a mounting hole for mounting and fixing with an external structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0029] Figure 1 This is a schematic diagram of the overall structure of a wiring terminal according to an embodiment of the utility model;

[0030] Figure 2 This is a schematic diagram of the overall structure of a connection terminal in another direction according to an embodiment of the utility model;

[0031] Figure 3 This is a schematic diagram of the exploded structure of a terminal block according to an embodiment of the present utility model;

[0032] Figure 4 This is a schematic cross-sectional view of a wiring terminal according to an embodiment of the present invention;

[0033] Figure 5 This is a schematic structural diagram of an outer cover of an embodiment of the utility model;

[0034] Figure 6 This is a schematic structural diagram of a pressing member according to an embodiment of the utility model;

[0035] Figure 7 This is a schematic structural diagram of a base according to an embodiment of the utility model;

[0036] Figure 8 This is a schematic diagram of the overall structure of a wiring terminal according to another embodiment of the utility model;

[0037] Fig. 9 This is a schematic diagram of the overall structure of a connection terminal in another embodiment of the utility model in another direction;

[0038] Fig.10 This is a schematic diagram of the exploded structure of a connection terminal according to another embodiment of the present utility model;

[0039] Fig.11 This is a schematic diagram of the overall structure of a wiring terminal according to another embodiment of the present utility model;

[0040] Fig.12 This is a schematic diagram of the overall structure of a connection terminal in another embodiment of the utility model in another direction;

[0041] Fig.13 This is a schematic diagram of the exploded structure of a wiring terminal according to another embodiment of the present utility model;

[0042] Fig.14 It is a schematic diagram of the structure of multiple wiring terminals of the utility model when they are connected side by side.

[0043] In the accompanying drawings: 1-base, 11-lower seat, 12-installation middle block, 13-installation pressure block, 14-second card block, 2-pressing wire spring, 21-left spring, 211-left separation seam, 22-right spring, 221-right separation seam, 23-installation sheet, 231-installation groove, 3-conductive sheet, 31-grounding conductive sheet, 311-grounding part, 32-first through hole, 33-second through hole, 4-outer cover, 43-first pressing hole, 44- Second pressing hole, 45-left wiring hole, 46-right wiring hole, 47-fixing slot, 471-first card slot, 48-second card slot, 491-connecting slot, 492-connecting block, 493-mounting hole, 5-pressing piece, 51-pressing seat, 511-wire hole, 512-first card block, 52-first pressing arm, 521-first pressing part, 53-second pressing arm, 531-second pressing part, 6-connecting terminal, 7-circuit mounting board.

[0044] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0046] It should be noted that if the embodiments of the present invention involve directional indications, such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0047] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of technical personnel in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0048] like Figures 1 to 14 As shown, a wiring terminal comprises a base 1, a wire pressing spring 2, a conductive sheet 3, an outer cover 4 and a pressing member 5.

[0049] The wire pressing spring piece 2 is arranged on the upper side of the base 1 , and the wire pressing spring piece 2 includes a left spring piece 21 and a right spring piece 22 . The left spring piece 21 and the right spring piece 22 can be elastically deformed up and down.

[0050] The conductive sheet 3 is arranged on the upper side of the left spring sheet 21 and the right spring sheet 22. The left spring sheet 21 can abut against the left side of the conductive sheet 3 to clamp the wires or separate from each other to plug in the wires by means of elastic deformation. The right spring sheet 22 can abut against the right side of the conductive sheet 3 to clamp the wires or separate from each other to plug in the wires by means of elastic deformation, thereby realizing the conduction of the wiring on the left and right sides of the terminal.

[0051] A first inner cavity is provided on the inner side of the outer cover 4, a first opening is provided on the lower side of the outer cover 4, a first pressing hole 43 and a second pressing hole 44 are provided on the upper side wall of the outer cover 4, a left wiring hole 45 is provided on the left side wall of the outer cover 4, and a right wiring hole 46 is provided on the right side wall of the outer cover 4. The first opening, the first pressing hole 43, the left wiring hole 45 and the right wiring hole 46 are all connected to the first inner cavity, the wire pressing spring 2 and the conductive sheet 3 are both arranged in the first inner cavity, the left wiring hole 45 is directly opposite to the left spring sheet 21 and the conductive sheet 3, and the right wiring hole 46 is directly opposite to the right spring sheet 22 and the conductive sheet 3. The base 1 is fixedly connected to the lower side of the outer cover 4, the first pressing hole 43 is provided on the upper side of the right spring sheet 22, and the second pressing hole 44 is provided on the upper side of the left spring sheet 21.

[0052] The pressing member 5 includes a pressing seat 51, which is fixedly connected to the left side of the outer cover 4. A first pressing arm 52 extends to the right from the right side of the pressing seat 51, and a second pressing arm 53 extends to the left from the right side of the first pressing arm 52. The first pressing arm 52 and the second pressing arm 53 are arranged front to back, and the first pressing arm 52 and the second pressing arm 53 are both arranged on the upper side of the outer cover 4. A first pressing portion 521 is provided on the lower right side of the first pressing arm 52, and a second pressing portion 531 is provided on the lower left side of the second pressing arm 53. The first pressing portion 521 passes downwardly through the first pressing hole 43, and the second pressing portion 531 passes downwardly through the second pressing hole 44. The first pressing portion 521 can press the right spring sheet 22 downwardly away from the conductive sheet 3 and / or the second pressing portion 531 can press the left spring sheet 21 downwardly away from the conductive sheet 3.

[0053] The pressing seat 51 of the pressing member 5 extends a first pressing arm 52 to the right, and a second pressing arm 53 extends to the left from the right end of the first pressing arm 52. When the right end of the first pressing arm 52 is pressed, the right end of the first pressing arm 52 bends downward, so that the first pressing portion 521 can move downward without pressing the second pressing portion 531. When the left end of the second pressing arm 53 is pressed, the left end of the second pressing arm 53 bends downward, so that the second pressing portion 531 can move downward without pressing the first pressing portion 521. The pressing actions of the first pressing portion 521 and the second pressing portion 531 do not affect each other.

[0054] The pressing member 5 of the present terminal comprises a first pressing arm 52 and a second pressing arm 53, wherein the first pressing portion 521 of the first pressing arm 52 and the second pressing portion 531 of the second pressing arm 53 correspond to the right spring sheet 22 and the left spring sheet 21 respectively, which is equivalent to integrating the two buttons in the prior art into one part, thereby reducing the number of parts of the terminal, and the pressing of the left spring sheet 21 and the right spring sheet 22 do not affect each other.

[0055] In some specific embodiments, referring to Figure 5 and Figure 6A fixing groove 47 is provided on the left side of the outer cover 4 , the left wiring hole 45 is connected to the fixing groove 47 , the pressing seat 51 is fixed in the fixing groove 47 , and a wire hole 511 is provided on the pressing seat 51 , and the wire hole 511 is directly opposite to the left wiring hole 45 .

[0056] The pressing seat 51 of the pressing member 5 is fixed in the fixing groove 47 on the left side of the outer cover 4, and the first pressing arm 52 and the second pressing arm 53 of the pressing member 5 can be located on the upper side of the outer cover 4; a wire passing hole 511 is provided on the pressing seat 51, and the wire can pass through the wire passing hole 511 and enter the left wiring hole 45, so that the pressing seat 51 does not block the wiring.

[0057] Furthermore, a first clamping slot 471 is provided on the front side wall and / or the rear side wall of the fixing slot 47 , and a first clamping block 512 is provided on the pressing seat 51 . The first clamping block 512 is clamped in the first clamping slot 471 .

[0058] When the pressing seat 51 is inserted into the fixing groove 47, the first clamping block 512 of the pressing seat 51 enters and is clamped in the first clamping groove 471 of the fixing groove 47, so that the pressing seat 51 is fixed in the fixing groove 47, and the installation is relatively simple and quick. A first introduction slope is provided on the lower side of the first clamping block 512, so that the pressing seat 51 can be easily inserted into the fixing groove 47 from the upper side. In other embodiments, the pressing seat 51 can also be fixed to the outer cover 4 by screws.

[0059] In some specific embodiments, referring to Figures 1 to 6 A right partition slit 221 is provided in the middle of the right spring sheet 22 in the front-to-back direction. There are two right wiring holes 46. The two right wiring holes 46 are respectively opposite to the right spring sheet 22 on the front and back sides of the right partition slit 221. The first pressing portion 521 can press the right spring sheet 22 on the front and back sides of the right partition slit 221.

[0060] A right partition slit 221 is provided in the middle of the right spring sheet 22. The right partition slit 221 can divide the right spring sheet 22 into two parts, front and rear. When two wires are connected simultaneously on the right side, the two wires can be inserted into the two right wiring holes 46 respectively. The front and rear parts of the right spring sheet 22 press the two wires respectively. The front and rear parts of the right spring sheet 22 can adapt to the wire diameters of the two wires respectively, thereby pressing the wires more firmly. Similarly, a left partition slit 211 can be provided in the middle of the front-to-back direction of the left spring sheet 21. There are two left wiring holes 45 or wire holes 511. The second pressing portion 531 can press the left spring sheet 21 on both sides of the front and rear of the left partition slit 211. In other embodiments, referring to Figures 8 to 13 The number of the right wiring hole 46 can be one, and the right separation seam 221 may not be provided on the right spring sheet 22. One right wiring hole 46 can accommodate wires with larger wire diameters.

[0061] In some specific embodiments, referring to Figures 8 to 10The conductive sheet 3 is a grounding conductive sheet 31, the left end of the grounding conductive sheet 31 passes through the left wiring hole 45 and extends to the outside of the outer cover 4, or the right end of the grounding conductive sheet 31 passes through the right wiring hole 46 and extends to the outside of the outer cover 4, and the part of the grounding conductive sheet 31 extending out of the outer cover 4 is the grounding portion 311.

[0062] When one side of the terminal block needs to be grounded, the grounding conductive sheet 31 can be used, the left end of the grounding conductive sheet 31 directly passes through the left wiring hole 45 and extends to the outside of the outer cover 4, and the right end of the grounding conductive sheet 31 is connected to the wire, or the right end of the grounding conductive sheet 31 directly passes through the right wiring hole 46 and extends to the outside of the outer cover 4, the left end of the grounding conductive sheet 31 is connected to the wire, and the part of the grounding conductive sheet 31 extending out of the outer cover 4 can be directly connected to the grounding portion 311 of the device, such as the circuit mounting board 7, refer to Fig.14 No additional wiring is required between the equipment grounding part 311 and the wiring terminals, which can simplify the grounding installation.

[0063] The conductive sheet 3 is provided with a first through hole 32 through which the first pressing portion 521 can pass and / or a second through hole 33 through which the second pressing portion 531 can pass; for the wiring terminal using the grounding conductive sheet 31, since one of the left spring sheet 21 and the right spring sheet 22 does not need to clamp the wire, it is only necessary to provide the first through hole 32 or the second through hole 33 corresponding to the wiring on the grounding conductive sheet 31, so that the first pressing portion 521 or the second pressing portion 531 that needs to be pressed can be pressed; and for the wiring terminal that needs wiring on both sides, the conductive sheet 3 needs to be provided with a first through hole 32 and a second through hole 33.

[0064] In some specific embodiments, referring to Figures 1 to 6 The first pressing arm 52 is provided with a first pressing portion 521, the second pressing arm 53 is provided with one first pressing portion 521, the second pressing arm 53 is provided with a second pressing portion 531, and correspondingly, the outer cover 4 is provided with a first pressing hole 43 and a second pressing hole 44. In other embodiments, referring to Figures 8 to 13 The first pressing arm 52 is provided with two first pressing portions 521 arranged front to back, and the second pressing arm 53 is provided with two first pressing portions 521. The two second pressing arms 53 are respectively provided on the front and rear sides of the first pressing arm 52. A second pressing portion 531 is provided on each second pressing arm 53. Correspondingly, two first pressing holes 43 and two second pressing holes 44 are provided on the outer cover 4.

[0065] As described above, by using the base 1 and wire pressing springs 2, conductive sheets 3, outer covers 4 and pressing pieces 5 of different structures, terminal blocks with different wiring functions can be combined accordingly, thereby increasing the versatility of the parts. It is not necessary to use a different base 1, wire pressing springs 2, conductive sheets 3, outer covers 4 and pressing pieces 5 for each terminal block, thereby reducing the number of parts required for a variety of different terminal blocks.

[0066] In some specific embodiments, referring to Figure 3 , 4 and 7, the wire pressing spring piece 2 also includes a mounting piece 23, the left spring piece 21 and the right spring piece 22 are respectively arranged on the upper left side and the upper right side of the mounting piece 23, the left spring piece 21 is arranged on the left side of the mounting piece 23 and extends obliquely to the upper right side, the right spring piece 22 is arranged on the right side of the mounting piece 23 and extends obliquely to the upper left side, a mounting groove 231 is provided on the mounting piece 23, the base 1 includes a lower seat 11 and a mounting middle block 12 arranged on the upper side of the lower seat 11, the conductive sheet 3 is arranged on the upper side of the mounting middle block 12, the upper side of the mounting middle block 12 and the upper side wall of the outer cover 4 limit the position of the conductive sheet 3, the left and right sides of the mounting middle block 12 extend out of the mounting pressure block 13, the mounting piece 23 is inserted between the mounting pressure block 13 and the lower seat 11, the mounting middle block 12 is inserted in the mounting groove 231, and the left spring piece 21 and the right spring piece 22 extend upward outside the end of the mounting pressure block 13.

[0067] The mounting piece 23 of the wire pressing spring piece 2 is inserted between the lower side of the base 1 and the mounting pressure block 13. The mounting pressure block 13 presses the mounting piece 23 to fix the wire pressing spring piece 2, which is convenient for installing and fixing the wire pressing spring piece 2; the mounting piece 23 is provided with a mounting groove 231 to avoid the connection between the installation middle block 12 and the lower seat 11, which can increase the contact area between the installation pressure block 13 and the mounting piece 23.

[0068] In some specific embodiments, a second slot 48 is provided on the outer cover 4 , the base 1 is at least partially disposed in the first inner cavity, a second block 14 is provided on the base 1 , and the second block 14 is engaged in the second slot 48 .

[0069] At least part of the base 1 is disposed in the first inner cavity, and the second card block 14 of the base 1 enters and is engaged in the second card slot 48 of the outer cover 4, so that the base 1 is fixed to the outer cover 4, and the installation is relatively simple and quick. The second card slot 48 can be disposed on the left and right sides of the outer cover 4. A second introduction slope can be disposed on the upper side of the second card block 14 to facilitate the insertion of the base 1 into the first inner cavity from the bottom. In some embodiments, the bottom of the fixing groove 47 is closed, and the second card slot 48 is connected to the fixing groove 47. In other embodiments, the base 1 and the outer cover 4 can be fixed by screws.

[0070] In some specific embodiments, referring to Figure 5 and Fig.14 The outer cover 4 is provided with a connecting groove 491 and a connecting block 492, and the connecting groove 491 and the connecting block 492 are respectively arranged on the front and rear sides of the outer cover 4. Specifically, the front side of the outer cover 4 is provided with a connecting groove 491, and the rear side of the outer cover 4 is provided with a connecting block 492, and the connecting groove 491 and the connecting block 492 are matched in shape.

[0071] The connection groove 491 of one outer cover 4 can be matched and connected with the connection block 492 of another outer cover 4, so as to realize the parallel connection of multiple wiring terminals. The connection groove 491 and the connection block can be connected in a dovetail groove type, a T-type or the like.

[0072] Furthermore, the outer cover 4 is provided with a mounting hole 493 for mounting and fixing with an external structure. The cover 4 can be fixed to an external device by passing a screw through the mounting hole 493. When a plurality of wiring terminals 6 are arranged side by side, the first and last wiring terminals 6 can be fastened with screws for easy installation.

[0073] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A terminal block, characterized in that: include: Base (1); A wire pressing spring piece (2), which is arranged on the upper side of the base (1), and the wire pressing spring piece (2) comprises a left spring piece (21) and a right spring piece (22); A conductive sheet (3) arranged on the upper sides of the left spring sheet (21) and the right spring sheet (22); the left spring sheet (21) can abut against or separate from the left side of the conductive sheet (3) by means of elastic deformation; and the right spring sheet (22) can abut against or separate from the right side of the conductive sheet (3) by means of elastic deformation; An outer cover (4), wherein a first inner cavity is provided on the inner side of the outer cover (4), a first opening is provided on the lower side of the outer cover (4), a first pressing hole (43) and a second pressing hole (44) are provided on the upper side wall of the outer cover (4), a left wiring hole (45) is provided on the left side wall of the outer cover (4), and a right wiring hole (46) is provided on the right side wall of the outer cover (4), the first opening, the first pressing hole (43), the left wiring hole (45) and the right wiring hole (46) are all connected to the first inner cavity, The wire pressing spring (2) and the conductive sheet (3) are both arranged in the first inner cavity, the left wiring hole (45) is directly opposite to between the left spring sheet (21) and the conductive sheet (3), the right wiring hole (46) is directly opposite to between the right spring sheet (22) and the conductive sheet (3), the base (1) is fixedly connected to the lower side of the outer cover (4), the first pressing hole (43) is arranged on the upper side of the right spring sheet (22), and the second pressing hole (44) is arranged on the upper side of the left spring sheet (21); The pressing member (5) comprises a pressing seat (51), wherein the pressing seat (51) is fixedly connected to the left side of the outer cover (4), a first pressing arm (52) is extended to the right from the right side of the pressing seat (51), a second pressing arm (53) is extended to the left from the right side of the first pressing arm (52), the first pressing arm (52) and the second pressing arm (53) are both arranged on the upper side of the outer cover (4), and a first pressing portion (521) is arranged on the lower right side of the first pressing arm (52) A second pressing portion (531) is provided on the lower left side of the second pressing arm (53); the first pressing portion (521) passes downward through the first pressing hole (43); the second pressing portion (531) passes downward through the second pressing hole (44); the first pressing portion (521) can press the right spring sheet (22) downward away from the conductive sheet (3) and / or the second pressing portion (531) can press the left spring sheet (21) downward away from the conductive sheet (3).

2. The terminal block according to claim 1, characterized in that: A fixing groove (47) is provided on the left side of the outer cover (4), the left wiring hole (45) is connected to the fixing groove (47), the pressing seat (51) is fixed in the fixing groove (47), and a wire passing hole (511) is provided on the pressing seat (51), and the wire passing hole (511) is directly opposite to the left wiring hole (45).

3. The terminal block according to claim 2, characterized in that: A first clamping groove (471) is provided on the front side wall and / or the rear side wall of the fixing groove (47), and a first clamping block (512) is provided on the pressing seat (51), and the first clamping block (512) is clamped in the first clamping groove (471).

4. The connection terminal according to claim 1, characterized in that: A right separation slit (221) is provided in the middle of the right spring sheet (22) in the front-to-back direction, the number of the right wiring holes (46) is two, the two right wiring holes (46) are respectively opposite to the front and back sides of the right spring sheet (22) at the right separation slit (221), and the first pressing portion (521) is capable of pressing the right spring sheet (22) at the front and back sides of the right separation slit (221).

5. The terminal block according to claim 1, characterized in that: The conductive sheet (3) is a grounding conductive sheet (31), the left end of the grounding conductive sheet (31) passes through the left wiring hole (45) and extends to the outside of the outer cover (4), or the right end of the grounding conductive sheet (31) passes through the right wiring hole (46) and extends to the outside of the outer cover (4).

6. The connection terminal according to claim 1, characterized in that: The first pressing arm (52) is provided with two first pressing parts (521) arranged front to back, and the second pressing arm (53) has two second pressing parts (521), the two second pressing arms (53) are respectively located at the front and rear sides of the first pressing arm (52), and each second pressing arm (53) is provided with a second pressing part (531), and the outer cover (4) is provided with two first pressing holes (43) and two second pressing holes (44).

7. The connection terminal according to claim 1, characterized in that: The wire pressing spring sheet (2) further comprises a mounting sheet (23), the left spring sheet (21) and the right spring sheet (22) are respectively arranged on the upper left side and the upper right side of the mounting sheet (23), the mounting sheet (23) is provided with a mounting groove (231), the base (1) comprises a lower seat (11) and a mounting middle block (12) arranged on the upper side of the lower seat (11), the conductive sheet (3) is arranged on the upper side of the mounting middle block (12), the mounting pressing block (13) is extended from the left and right sides of the mounting middle block (12), the mounting sheet (23) is inserted between the mounting pressing block (13) and the lower seat (11), and the mounting middle block (12) is inserted in the mounting groove (231).

8. The connection terminal according to claim 1, characterized in that: The outer cover (4) is provided with a second card slot (48), the base (1) is at least partially disposed in the first inner cavity, the base (1) is provided with a second card block (14), and the second card block (14) is engaged in the second card slot (48).

9. The connection terminal according to claim 1, characterized in that: The outer cover (4) is provided with a connection groove (491) and a connection block (492); the connection groove (491) and the connection block (492) are respectively arranged at the front and rear sides of the outer cover (4); and the connection groove (491) and the connection block (492) are arranged in matching shapes.

10. The connection terminal according to claim 9, characterized in that: The outer cover (4) is provided with a mounting hole (493) for mounting and fixing with an external structure.

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