High efficiency fixed wiring terminal

Abstract

The application discloses a high-efficiency fixed wiring terminal and relates to the field of power transmission wiring. The traditional wiring terminal is inconvenient to connect and is prone to loosening. The application comprises a wiring terminal seat, a plurality of pairs of wiring terminals are installed on the wiring terminal seat, the wiring terminal comprises an upper clamping part and a lower pushing part which are buckled from top to bottom, the upper clamping part can slide to one side, and the lower pushing part slides upward into a wiring slot; the upper clamping part comprises an arc-shaped extrusion part and a vertical extrusion part which cooperates with the arc-shaped extrusion part to extrude a wiring elbow, the bottom end of the vertical extrusion part can be inserted into the top of the lower pushing part to slide horizontally and be locked; the top of the lower pushing part on both sides is provided with communicating ear pieces, the upper clamping part is slid outward during installation, the wiring is installed and inserted conveniently, an elastic member pushes the arc-shaped extrusion part during resetting, and the distance between the arc-shaped extrusion part and the vertical extrusion part is reduced; the installation is stable, clamping is stable, the wiring is extruded by the vertical extrusion to realize line connection, and the effect of stable clamping is increased.

Description

Technical Field

[0001] This invention relates to the field of power transmission wiring, and more specifically to a high-efficiency fixed terminal block. Background Technology

[0002] Terminal blocks are mainly used to achieve electrical connections, making wire connections more convenient. Compared with traditional soldering or locking connections, terminal blocks can be easily connected and disconnected, allowing for on / off switching without the need for soldering, ensuring that sufficient current can pass through.

[0003] Traditional terminal blocks connect wires by wrapping them around screws or directly inserting them into the lugs. However, this method has several drawbacks during installation and use: the narrow slots of the terminal blocks make it inconvenient to wrap the wires under the screws, and the wires are also susceptible to axial forces, which can cause the screws to loosen and fail. Direct insertion and pressing can also lead to axial loosening and failure after prolonged use, affecting the stability of the wiring connection. Summary of the Invention

[0004] In view of the problems mentioned above, the purpose of this invention is to provide a high-efficiency fixed terminal block, which solves the problems mentioned in the background art of inconvenient installation of existing terminal blocks with twisted wiring and easy loosening.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] A high-efficiency fixed terminal block includes a terminal block holder, on which multiple pairs of terminal blocks are installed by providing multiple pairs of terminal slots. Each terminal block includes an upper clamping part and a lower pushing part that are snapped together. One side of the upper clamping part can slide out of the terminal block holder, and the lower pushing part slides upward into the terminal slot.

[0007] The upper clamping part includes a horizontally sliding arc-shaped extrusion part and a vertical extrusion part that cooperates with the arc-shaped extrusion part to extrude the bend of the access line. At the same time, the inner side of the wiring groove is provided with an elastic element that extrudes and pushes the arc-shaped extrusion part when the upper clamping part is reset. The bottom end of the vertical extrusion part can be inserted into the top of the lower push part for horizontal sliding locking.

[0008] The top of the lower push section on both sides is provided with a connecting ear piece, which is pressed and fitted against the bend of the access line.

[0009] Further, the wiring terminal seat on both sides of the wiring slot is concave with a sliding rail groove, the sliding rail groove is provided with an anti-drop block near the outer end, the upper clamping part is symmetrically provided with a sliding rail on both sides of the upper clamping seat and is slidably installed in the sliding rail groove, the inner side of the sliding rail is provided with a sliding block which is inserted into the sliding rail groove, the longitudinal width of the sliding rail and the anti-drop block is equal to the longitudinal width of the sliding rail groove, the bottom of the upper clamping seat is provided with a parallel concave wire slot, the bottom of the upper clamping seat near one side of the middle of the wiring terminal seat is provided with a curved extrusion groove, the wire slot is connected to the curved extrusion groove, the curved extrusion groove is slidably installed with the arc-shaped extrusion part, and the inner side of the wire slot is concave with a cylindrical groove which is installed with the vertical extrusion part on the upper clamping seat.

[0010] Further, the arc-shaped extrusion part includes an arc-shaped extrusion block, the curved extrusion groove is symmetrically provided with a side sliding groove on both sides, the arc-shaped extrusion block is symmetrically provided with a sliding wing on both sides, the sliding wing is inserted into the side sliding groove, a plurality of anti-skid teeth are uniformly arranged on the inner side of the arc-shaped extrusion block, the curved extrusion groove is connected to a through extrusion groove which penetrates the inner end of the upper clamping seat, and when resetting, the elastic member extrudes the arc-shaped extrusion block by penetrating the through extrusion groove.

[0011] Further, the elastic member includes a sliding extrusion block, the inner side of the wiring slot is concave with a second telescopic groove, the inner end of the sliding extrusion block is inserted into the second telescopic groove, a plurality of springs are connected between the inner end of the sliding extrusion block and the inner side of the second telescopic groove, the outer end of the sliding extrusion block is inserted into the through extrusion groove when the upper clamping part is reset, and the outer end of the sliding extrusion block is concave with an arc-shaped extrusion surface.

[0012] Further, the vertical extrusion part includes a frustum, the top of the frustum is connected to the bottom end of a second screw through a rotating joint, the top end of the second screw penetrates the top surface of the upper clamping seat, and the second screw is concentric with the cylindrical groove.

[0013] Further, the wiring slot is provided with a cylindrical first telescopic groove near the inner bottom, the inner circumferential surface of the first telescopic groove is provided with a protrusion, the first telescopic groove is installed with the lower advancing part, the lower advancing part includes a cylindrical lifting seat, the circumferential surface of the lifting seat is symmetrically provided with a first recess and a second recess, the protrusion is inserted into the first recess, the top of the lifting seat is provided with a locking groove, the locking groove is inserted into the bottom end of the frustum when the upper clamping part is slidably locked, the bottom of the lifting seat is installed with a rotating advancing member on the wiring terminal seat, and the lifting seat is installed with a semicircular ring-shaped ear near one side of the middle of the wiring terminal seat.

[0014] Further, the rotating propelling piece is a first screw, a through hole is arranged in the center of the bottom of the first telescopic groove, a rotating groove is arranged in the middle of the through hole, a anti-dropping ring is fixedly sleeved below the first screw, the anti-dropping ring is rotatably installed in the rotating groove, the top end of the first screw penetrates the through hole, and the top end of the first screw is threadedly installed in the center of the lifting seat, and the top end of the first screw is flush with the top end of the first telescopic groove.

[0015] Further, the terminal block is provided with a side wire groove communicating with the wire grooves on both sides, and the bottom of the ear is connected with a wire, and the other end of the wire penetrates the second groove on one side, the side wire groove and the second groove on the other side, and the two ends of the wire are connected with the ears on both sides.

[0016] Further, one end of the terminal block is provided with a seat end facilitating hanging.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] The present application provides a high-efficiency fixed terminal, which comprises a terminal block, a plurality of pairs of terminals are installed on the terminal block through a plurality of pairs of wire grooves arranged on the terminal block, the terminal comprises an upper clamping part and a lower propelling part which are buckled one above the other, one side of the upper clamping part can slide out of the terminal block, and the lower propelling part slides upward into the wire groove; the upper clamping part comprises a horizontally sliding arc-shaped extrusion part and a vertical extrusion part which cooperates with the arc-shaped extrusion part to extrude the wire joint, an elastic member is arranged on the inner side of the wire groove to extrude and push the arc-shaped extrusion part when the upper clamping part is reset, and the bottom end of the vertical extrusion part can be inserted into the top part of the lower propelling part to horizontally slide and lock; the top parts of the lower propelling parts on both sides are provided with ears which are communicated, the ears are extruded and fitted with the wire joint, the upper clamping part is slid outward during installation, the wire joint is easily installed and inserted, the arc-shaped extrusion part and the vertical extrusion part are cooperated to extrude the wire joint during installation, the elastic member further pushes the arc-shaped extrusion part when reset, the distance between the arc-shaped extrusion part and the vertical extrusion part is reduced, the installation is more stable, and the upper clamping part is slid and locked by the upward movement of the lower propelling part, the clamping is stable, the wire is extruded by the vertical extrusion part, the circuit is connected, and the stable clamping effect is increased. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The terminal provided by the embodiment of the present application is shown in three dimensions Figure One ;

[0020] Figure 2 The terminal provided by the embodiment of the present application is shown in three dimensions Figure Two ;

[0021] Figure 3A partial sectional perspective view of the wiring terminal provided for the embodiment of the present application is shown in FIG. 1.

[0022] Figure 4 A perspective view of the upper clamping portion provided for the embodiment of the present application is shown in FIG. 2.

[0023] Figure 5 A semi-perspective view of the upper clamping portion provided for the embodiment of the present application is shown in FIG. 3.

[0024] Figure 6 A perspective view of the upper clamping seat provided for the embodiment of the present application is shown in FIG. 4.

[0025] Figure 7 A partial sectional perspective view of the wiring terminal provided for the embodiment of the present application is shown in FIG. 5.

[0026] Figure 8 A partial perspective view of the wiring terminal provided for the embodiment of the present application is shown in FIG. 6.

[0027] In the figure: 1, wiring terminal seat; 101, seat end; 2, wiring slot; 3, sliding rail slot; 31, anti-dropping block; 4, first telescopic slot; 41, protrusion; 5, lifting seat; 51, first recess; 52, second recess; 53, locking slot; 6, ear; 61, wire; 7, through hole; 71, rotating slot; 8, first screw; 81, anti-dropping ring; 11, side wire slot; 12, second telescopic slot; 13, spring; 14, sliding extrusion block; 141, arc-shaped extrusion surface; 15, upper clamping seat; 16, sliding rail; 161, sliding clamping block; 17, curved portion extrusion slot; 18, side sliding slot; 19, through extrusion slot; 20, cylindrical slot; 21, wire slot; 22, second screw; 23, rotating joint; 24, conical frustum; 25, arc-shaped extrusion block; 251, sliding wing; 252, anti-skid tooth; 26, access wire. DETAILED DESCRIPTION

[0028] The specific embodiments of the present application are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0029] Embodiment One

[0030] As Figures 1-8As shown, an efficient fixed wiring terminal includes a wiring terminal seat 1 made of PVC or other insulating materials, a plurality of pairs of wiring slots 2 are provided on the wiring terminal seat 1 to install a plurality of pairs of wiring terminals, and the wiring terminals are provided with access points for connecting and installing the wiring terminals without welding or fixed winding. The wiring terminal includes an upper clamping part and a lower advancing part, the upper clamping part can slide out of the wiring terminal seat 1, avoiding the influence of the small space of the wiring slot 2 on the winding of the access line, and the lower advancing part slides upward into the wiring slot 2, and the lower advancing part can be hidden at the bottom of the wiring slot 2, avoiding the contact between the upper clamping part and the lower advancing part after the access line is clamped. The upper clamping part includes a horizontal sliding arc-shaped extrusion part and a vertical extrusion part for extruding the elbow of the access line 26, and the inner side of the wiring slot 2 is provided with an elastic member for extruding and pushing the arc-shaped extrusion part when the upper clamping part is reset. The bottom end of the vertical extrusion part can be inserted into the top of the lower advancing part for horizontal sliding locking. After the upper clamping part is reset during installation of the access line 26, the vertical extrusion part is controlled to slide downward, and the included taper 24 moves downward, generating horizontal extrusion force and vertical downward thrust on the curved part of the access line 26 during movement. On the one hand, it increases the extrusion stability of the curved part of the access line 26 matched with the arc-shaped extrusion part, and on the other hand, it applies downward force to the curved part of the access line 26 to ensure sufficient contact with the ear piece 6, so that the two sides of the line are connected. The vertical extrusion part and the arc-shaped extrusion part cooperate to clamp and stabilize the access line 26 with different diameters. At this time, the insertion depth of the vertical extrusion part will be different for access lines 26 with different diameters. The lower advancing part can slide up and down, facilitating flexible clamping, limiting and extruding support. The top of the lower advancing part on both sides is provided with a communicating ear piece 6, and the ear piece 6 is extruded and fitted with the elbow of the access line 26.

[0031] As shown in Figures 4-7 The upper clamping seat 15 is symmetrically provided with a plurality of slide rails 16 on both sides, the slide rails 16 are inserted into a plurality of slide rail grooves 3 connected by the wiring slots 2 on both sides, the plurality of slide rail grooves 3 are provided with anti-disengagement blocks 31 near the outer side of the wiring terminal seat 1, the inner side of the slide rail 16 is provided with a sliding clamping block 161, the anti-disengagement block 31 is used to prevent the slide rail 16 from sliding out of the slide rail groove 3, the longitudinal width of the slide rail 16 and the anti-disengagement block 31 is equal to the longitudinal width of the slide rail groove 3, the bottom of the upper clamping seat 15 is provided with a parallel inner recessed wire slot 21, the bottom of the upper clamping seat 15 near one side of the middle of the wiring terminal seat 1 is provided with a curved part extrusion groove 17, the wire slot 21 is connected with the curved part extrusion groove 17, the arc-shaped extrusion part is slidably installed in the curved part extrusion groove 17, and the inner side of the two wire slots 21 is provided with a cylindrical groove 20, the cylindrical groove 20 is provided with a vertical extrusion part on the upper clamping seat 15. By providing the wire slot 21, the stability of clamping the access line 26 is increased, avoiding side slipping during extrusion, causing extrusion to be skewed, unstable contact and other problems.

[0032] As shown in Figures 3-6As shown, the arc-shaped extrusion part includes an arc-shaped extrusion block 25, and the curved part extrusion groove 17 is symmetrically provided with a side sliding groove 18 on both sides. The arc-shaped extrusion block 25 is symmetrically provided with a sliding wing 251 inserted into the side sliding groove 18 on both sides. A plurality of anti-skid teeth 252 are uniformly arranged on the inner arc surface of the arc-shaped extrusion block 25, which prevents the curved part of the access line 26 from sliding when subjected to axial force, and increases the stability of the extrusion clamping. The curved part extrusion groove 17 is connected to the through extrusion groove 19 at the inner side end of the upper clamping seat 15. When reset, the elastic member extrudes the arc-shaped extrusion block 25 through the through extrusion groove 19. The elastic member includes a sliding extrusion block 14, and the outer side end of the sliding extrusion block 14 is concave and provided with an arc-shaped extrusion surface 141. The inner side surface of the wiring groove 2 is concave and provided with a second expansion groove 12. The inner side end of the sliding extrusion block 14 is inserted into the second expansion groove 12. A plurality of springs 13 are connected between the inner side end of the sliding extrusion block 14 and the inner side surface of the second expansion groove 12. When the upper clamping part is reset, the outer side end of the sliding extrusion block 14 is inserted into the through extrusion groove 19 and extrudes the arc-shaped extrusion block 25, increasing the extrusion force between the arc-shaped extrusion block 25 and the adjacent surface of the cone 24, thereby achieving the effect of stable extrusion clamping.

[0033] As shown in Figure 4 , Figure 5 , the vertical extrusion part includes a cone 24, and the top of the cone 24 is connected to the bottom end of the second screw 22 through a rotating joint 23. The top end of the second screw 22 penetrates the top surface of the upper clamping seat 15. The second screw 22 is concentric with the cylindrical groove 20. The cone 24 is pushed downward by rotating the second screw 22. The rotating joint 23 is provided to avoid the cone 24 from rotating and rubbing against the surface of the curved part of the access line 26. During the downward movement of the cone 24, horizontal extrusion force and vertical downward thrust are applied to the curved part of the access line 26, thereby increasing the stability of the extrusion clamping.

[0034] As shown in Figure 3 , Figure 7 , Figure 8As shown, the wiring slot 2 is provided with a cylindrical first telescopic slot 4 near the inner bottom, the inner circumferential surface of the first telescopic slot 4 is provided with a protrusion 41, and a lower pushing part is installed in the first telescopic slot 4, the lower pushing part includes a cylindrical lifting seat 5, the circumferential surface of the lifting seat 5 is symmetrically provided with a first recess 51 and a second recess 52, the protrusion 41 is inserted into the first recess 51, the protrusion 41 is arranged to prevent the lifting seat 5 from rotating during lifting, and to avoid the situation that the ear piece 6 is deflected to cause poor contact with the curved part of the access wire 26, the top of the lifting seat 5 is provided with a locking groove 53, the locking groove 53 is inserted into the bottom end of the cone 24 when the upper clamping part is slidingly locked, a rotating pushing piece is installed on the wiring terminal seat 1 at the bottom of the lifting seat 5, a semicircular ring-shaped ear piece 6 is installed above the lifting seat 5 near one side of the middle part of the wiring terminal seat 1, the diameter of the access wire 26 is different, and the downward moving height of the cone 24 is different, the lifting seat 5 is lifted to cooperate with locking, on the one hand to prevent sliding outward, and on the other hand to increase the support stability of the bottom clamping.

[0035] As shown in Figure 3 , Figure 7 , the rotating pushing piece is a first screw 8, the bottom center of the first telescopic slot 4 is provided with a through hole 7, a rotating groove 71 is concentrically arranged in the middle part of the through hole 7, a anti-loosening ring 81 is fixedly sleeved below the first screw 8, the anti-loosening ring 81 is rotatably installed in the rotating groove 71, the top end of the first screw 8 penetrates the through hole 7, at the same time, the top end of the first screw 8 is threadedly installed in the center of the lifting seat 5, and the top end of the first screw 8 is flush with the top end of the first telescopic slot 4, by rotating the first screw 8, the first screw 8 pushes the lifting seat 5 to slide up and down, thereby realizing the functions of clamping the cone 24 and vertically clamping and extruding the curved part of the access wire 26.

[0036] As shown in Figure 7 , the wiring terminal seat 1 below the second telescopic slot 12 is provided with a side wiring slot 11 communicating with the two wiring slots 2, the ear piece 6 is connected with a lead wire 61 at one side of the bottom, the other end of the lead wire 61 penetrates through the second recess 52 on one side, the side wiring slot 11 and the second recess 52 on the other side, and the two ends of the lead wire 61 are connected with the two ear pieces 6, by arranging the side wiring slot 11 and the second recess 52 on both sides, the lead wire 61 is avoided from being limited by the lifting seat 5 during lifting.

[0037] As shown in Figure 1 , one end of the wiring terminal seat 1 is provided with a seat end 101 for convenient hanging, and the seat end 101 is arranged to facilitate the installation or hanging of the wiring terminal.

[0038] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the present application. Various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency fixed terminal, comprising a terminal seat (1) on which a plurality of pairs of terminal are installed by being provided with a plurality of pairs of terminal slots (2), characterized in that: The terminal includes an upper clamping part and a lower pushing part which are buckled up and down, and the upper clamping part can slide out of the terminal seat (1) on one side, and the lower pushing part slides up into the terminal slot (2); The upper clamping part includes an arc-shaped extrusion part which slides horizontally and a vertical extrusion part which cooperates with the arc-shaped extrusion part to extrude the elbow of the terminal (26), and the inside of the terminal slot (2) is provided with an elastic member which extrudes and pushes the arc-shaped extrusion part when the upper clamping part is reset, and the bottom end of the vertical extrusion part can be inserted into the top of the lower pushing part to slide horizontally and lock. The top of the lower pushing part on both sides is provided with a communicating ear piece (6) which is extruded and attached to the elbow of the terminal (26); The terminal slot (2) is provided with a sliding rail groove (3) on the inside of the terminal seat (1) on both sides, and the sliding rail groove (3) is provided with an anti-disengagement block (31) on the inside of the outer end, the upper clamping seat (15) included in the upper clamping part is slidably installed on the sliding rail groove (3) through the symmetrically arranged sliding rails (16) on both sides, and the inside end of the sliding rail (16) is provided with a sliding clamping block (161) which is inserted into the inside of the sliding rail groove (3), the sum of the longitudinal width of the sliding rail (16) and the anti-disengagement block (31) is equal to the longitudinal width of the sliding rail groove (3), the bottom of the upper clamping seat (15) is provided with a parallel recessed wire groove (21), the bottom of the upper clamping seat (15) near the middle of the terminal seat (1) is provided with a curved extrusion groove (17), the wire groove (21) is communicated with the curved extrusion groove (17), the curved extrusion groove (17) is slidably installed with the arc-shaped extrusion part, and the inside end of the two groups of wire grooves (21) is recessed with a cylindrical groove (20) at the center of the line, and the cylindrical groove (20) is installed with the vertical extrusion part on the upper clamping seat (15).

2. The high efficiency terminal according to claim 1, wherein, The arc-shaped extrusion part includes an arc-shaped extrusion block (25), the curved extrusion groove (17) is symmetrically provided with a side sliding groove (18) on both sides, the arc-shaped extrusion block (25) is symmetrically provided with a sliding wing (251) on both sides, the sliding wing (251) is inserted into the side sliding groove (18), a plurality of anti-slip teeth (252) are uniformly arranged on the arc-shaped surface of the inside of the arc-shaped extrusion block (25), and a through extrusion groove (19) which is communicated and penetrates the inside end of the upper clamping seat (15) is arranged on the inside of the curved extrusion groove (17), when reset, the elastic member extrudes the arc-shaped extrusion block (25) through the through extrusion groove (19).

3. A high efficiency terminal according to claim 2 wherein, The elastic member includes a sliding extrusion block (14), a second telescopic groove (12) is recessed on the inside of the inside surface of the terminal slot (2), the inside end of the sliding extrusion block (14) is inserted into the second telescopic groove (12), a plurality of springs (13) are connected between the inside end of the sliding extrusion block (14) and the inside surface of the second telescopic groove (12), when the upper clamping part is reset, the outside end of the sliding extrusion block (14) is inserted into the through extrusion groove (19), and the outside end of the sliding extrusion block (14) is recessed with an arc-shaped extrusion surface (141).

4. The high efficiency terminal block of claim 3, wherein, The vertical extrusion part comprises a frustum (24) which is connected to the bottom end of a second screw (22) through a rotating joint (23) at the top, the top end of the second screw (22) penetrates the top surface of the upper clamping seat (15), and the second screw (22) is concentric with the cylindrical groove (20).

5. A high efficiency terminal according to claim 4 wherein, The first extension groove (4) is provided on the inner bottom of the wiring slot (2), the inner circumferential surface of the first extension groove (4) is provided with a protrusion (41), the lower pushing part is installed in the first extension groove (4), the lower pushing part comprises a cylindrical lifting seat (5), the circumferential surface of the lifting seat (5) is symmetrically provided with a first groove (51) and a second groove (52), the protrusion (41) is inserted into the first groove (51), the top of the lifting seat (5) is provided with a locking groove (53), when the upper clamping part is locked and slid, the locking groove (53) is inserted into the bottom end of the frustum (24), the rotating pushing part is installed on the wiring terminal seat (1) at the bottom of the lifting seat (5), and the ear piece (6) in the shape of a semicircular ring is installed on the lifting seat (5) above and close to one side of the middle part of the wiring terminal seat (1).

6. A high efficiency terminal according to claim 5 wherein, The rotating pushing part is a first screw (8), the bottom center of the first extension groove (4) is provided with a through hole (7), the middle part of the through hole (7) is concentrically provided with a rotating groove (71), the lower part of the first screw (8) is fixedly sleeved with an anti-dropping ring (81), the anti-dropping ring (81) is rotatably installed in the rotating groove (71), the top end of the first screw (8) penetrates the through hole (7), and the top end of the first screw (8) is threadedly installed in the center of the lifting seat (5), and the top end of the first screw (8) is flush with the top end of the first extension groove (4).

7. The high efficiency terminal according to claim 5, wherein, The wiring terminal seat (1) below the second extension groove (12) is provided with a side wiring groove (11) which communicates with the two wiring slots (2), one side of the bottom of the ear piece (6) is connected with a wire (61), the other end of the wire (61) penetrates one side of the second groove (52), the side wiring groove (11) and the other side of the second groove (52), and the two ends of the wire (61) are connected with the two ear pieces (6).

8. The high efficiency terminal according to claim 1, wherein, One end of the wiring terminal seat (1) is provided with a seat end (101) which is convenient for hanging.

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