Switching terminal block structure

Abstract

This utility model discloses a switch-type terminal block structure. The conductive plate of the conductive terminal is fixed inside the wiring cavity of the insulating shell. The elastic clamp structure formed by the spring piece installed in the wiring cavity and the conductive plate can clamp the wire inserted into the wiring cavity through the inlet. A spring switch is installed in the switch slide on the side wall of the insulating shell. The pressing operation end of the spring switch can be exposed outside the insulating shell through the opening of the switch slide. When the telescopic movement end of the spring switch is in the extended state, it can force the spring piece to overcome its own elastic force and move away from the conductive plate to open the elastic clamp structure. The pressing operation end can drive the telescopic movement end to switch between the extended state and the retracted state once. The spring switch of this utility model has a simple structure, occupies little space, and is convenient, labor-saving and smooth to operate. It can be used for wiring and wire removal operations in narrow spaces.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, and in particular to a switch-type terminal block structure. Background Technology

[0002] Common terminal block connectors typically include an insulating shell, conductive terminals, spring contacts, and a handle. The conductive terminals and spring contacts are installed inside the wiring cavity of the insulating shell to elastically clamp the wires and achieve electrical connection between the wires and the conductive terminals. The handle is usually installed on the insulating shell by rotating or sliding up and down. By turning or pressing the handle, the spring contacts are forced to move and release the wires, facilitating wiring or wire removal operations.

[0003] Currently, there are two ways to install the handle on the casing. One way is that when the handle is not pressed down and in the positioning state, it is necessary to keep the handle pressed or held when wiring or unwielding, which can only be done with one hand, making it inconvenient. The other way is to set a snap-fit ​​structure on the insulating casing. When the handle moves to the position that forces the spring to release the wire, the snap-fit ​​structure engages with the handle and keeps the handle stationary at this end. This allows for two-hand wiring operations. However, this structure is inconvenient to operate the handle, especially when disengaging the handle from the snap-fit ​​structure on the insulating casing, which requires a lot of force. If the operating space is small, it will lead to difficulties in operation. Moreover, after long-term use, the snap-fit ​​positioning structure is prone to wear or breakage, causing the handle to fail to engage and position. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a switch-type terminal block structure. This switch-type terminal block structure facilitates wiring and wire removal operations, has a simple overall structure, is easy to operate, can be used in confined spaces, and will not experience functional failure even after long-term use.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a switch-type terminal block structure, including an insulating shell, conductive terminals, and a spring piece. A wiring cavity is formed inside the insulating shell, and an inlet communicating with the wiring cavity is provided on the side wall of the insulating shell. The conductive plate of the conductive terminal is fixedly installed in the wiring cavity, and the spring piece is elastically installed in the wiring cavity. The spring piece and the conductive plate of the conductive terminal can form an elastic clamp structure. The elastic clamp structure can clamp the wire inserted into the wiring cavity through the inlet to realize the conductive connection between the wire and the conductive terminal. A switch slide is also provided on the side wall of the insulating shell, communicating with the wiring cavity. A spring switch is installed in the switch slide. The spring switch includes a pressing operation end and a telescopic movement end. The pressing operation end can be exposed outside the insulating shell through the opening of the switch slide for pressing operation. When the pressing operation end is pressed once, it can drive the telescopic movement end to switch between an extended state and a retracted state. When the telescopic movement end of the spring switch is in the extended state, it can force the spring piece to overcome its own elastic force and move away from the conductive plate to open the elastic clamp structure.

[0006] As a further improvement of this utility model, a raised ring is provided on the inner wall of the switch slide, and shallow guide grooves and deep guide grooves are alternately formed on the raised ring. The pressing operation end of the spring switch is a button installed in the switch slide that can slide axially a set distance and stop in the circumferential direction. A continuous V-shaped groove structure is formed on the end face of the button facing the wiring cavity. The end of the button facing away from the wiring cavity can extend out of the switch slide for pressing operation. The telescopic movement end of the spring switch is a switch body installed in the switch slide that can slide axially and rotate in the circumferential direction. The end of the switch body facing the wiring cavity is tightly pressed against the side wall of the spring along its elastic movement direction. The spring provides the switch body with a rebound force in the direction away from the wiring cavity. The end of the switch body facing the outside of the wiring cavity is provided with several... The guide posts arranged at intervals in the circumferential direction on the switch body can all be inserted into the shallow guide groove or the deep guide groove. When the guide posts on the switch body are inserted into the shallow guide groove or the deep guide groove, their depth into the wiring cavity changes accordingly. The ends of each guide post on the switch body are in close contact with the first sidewall of the corresponding V-shaped groove structure on the button, which is inclined in the same direction. When the button slides along the axial direction of the switch slide, it can force the switch body to slide out towards the wiring cavity and move a certain distance outside the shallow guide groove or the deep guide groove. The switch body rotates at a set angle, thereby changing its correspondence with the shallow guide groove and the deep guide groove. The rebound force of the spring can cause the switch body to slide in the opposite direction into the deep guide groove or the shallow guide groove when it loses the axial pressure of the button.

[0007] As a further improvement of this utility model, the end of the guide post forms a first guide slope or contact arc surface that is inclined in the same direction as the first sidewall of the V-shaped groove structure.

[0008] As a further improvement of this utility model, the convex ring is located between the shallow guide groove and the deep guide groove, and the side wall is a guide convex strip extending axially along the switch slide. The pointed bottom of the V-shaped groove structure is directly opposite to the guide convex strip, and the convex tip formed by the adjacent V-shaped groove structure is directly opposite to the shallow guide groove and the deep guide groove. The end face of the guide convex strip facing the wiring cavity is a second guide slope that is inclined in the same direction as the first side wall of the V-shaped groove structure. The first guide slope at the end of the guide post can be flat against the second guide slope.

[0009] As a further improvement of this utility model, a wire-passing opening is formed on the spring sheet, and the conductive plate of the conductive terminal is inserted into the wire-passing opening. The moving wire can be inserted into the wiring cavity through the wire inlet and can be tightly clamped between the side wall of the wire-passing opening and the conductive plate.

[0010] As a further improvement of this utility model, one end of the spring is a fixed end that is fixedly connected to the inner wall of the conductive plate or the wiring cavity, and the other end of the spring is an elastic moving end that can swing elastically. The wire passage is located on the elastic moving end of the spring, and the telescopic moving end of the spring switch is close to the side wall of the elastic moving end of the spring. The telescopic moving end of the spring switch can drive the elastic moving end of the spring to swing back and forth.

[0011] As a further improvement of this utility model, the elastic moving end of the spring sheet is provided with a bending arm extending along the thickness direction of the conductive plate, and the wire passage is located on the bending arm.

[0012] As a further improvement of this utility model, an avoidance guide groove is formed on the inner side wall of the wiring cavity, which is directly opposite to the position of the bending arm on the spring piece. The bending arm is inserted into the avoidance guide groove, and the side wall of the avoidance guide groove guides and limits the wire-feeding movement of the bending arm.

[0013] As a further improvement of this utility model, the conductive terminal includes an L-shaped conductive body. An L-shaped positioning groove matching the shape of the conductive body of the conductive terminal is formed on the side wall of the wiring cavity of the insulating shell. The edge of the conductive body of the conductive terminal is fixedly inserted into the L-shaped positioning groove. A pin extending to the outside of the insulating shell is formed on one side wall of the L-shaped structure of the conductive body. A conductive plate with an end width smaller than the root width is formed on the other side wall of the L-shaped structure of the conductive body. The fixed end and the elastically moving end of the spring are arc-bottom V-shaped structures formed by bending. One side wall of the arc-bottom V-shaped structure is the fixed end of the spring, and the other side wall is the elastically moving end. The bending arm is formed from the other side of the arc-bottom V-shaped structure. The sidewall end has a bent structure facing one sidewall direction. The end face of the telescopic movement end of the spring switch is tightly against the convex arc surface formed by the bending of the bending arm and the elastic element movement end of the spring piece. The end of one sidewall of the arc-bottom V-shaped structure forms a narrowed insert. The insert is inserted into the wire passage on the bending arm. The arc-shaped bottom surface of the arc-bottom V-shaped structure of the spring piece is tightly against one sidewall of the L-shaped structure of the conductive body. The sidewall of the arc-bottom V-shaped structure of the spring piece is tightly against the other sidewall of the L-shaped structure of the conductive body. The wire passage on the bending arm of the spring piece is sleeved on the outside of the other sidewall end of the L-shaped structure of the conductive body. The side of the bending arm of the spring piece facing away from the wire inlet is stopped by the step surface at the root of the insert of the spring piece and the step surface between the two ends of the conductive plate.

[0014] As a further improvement of this utility model, the spring is an arc-bottom V-shaped structure formed by bending. One side wall of the arc-bottom V-shaped structure of the spring is fixedly connected to the inner side wall of the wiring cavity or the conductive terminal to form a fixed end. The other side wall of the arc-bottom V-shaped structure of the spring forms an elastic moving end that can elastically swing around its arc bottom. The middle of the other side wall of the arc-bottom V-shaped structure of the spring has an outwardly convex circular island structure formed by bending. The circular island structure is in close contact with the end face of the telescopic moving end of the spring switch. The circular island structure always provides elastic force to the telescopic moving end of the spring switch along its telescopic direction.

[0015] The beneficial technical effects of this utility model are as follows: This utility model uses a spring switch to realize the pressing operation of the spring piece, forcing the spring piece to move elastically, thereby realizing the switching of the elastic clamping structure formed by the spring piece and the conductive plate between the states of clamping and releasing the wire. Each time the pressing end of the spring switch of this utility model is pressed, its telescopic movement end changes between the extended state and the retracted state. That is, only pressing the pressing end of the spring switch is needed to realize the switching of the elastic clamping structure formed by the spring piece and the conductive plate between the states of clamping and releasing the wire, and it automatically maintains the state after the switching is completed until the next pressing end of the spring switch is installed. The spring switch of this utility model has a simple structure, occupies little space, and can realize the miniaturization of the overall structure of the terminal block. The design is standardized, and the spring switch is easy and labor-saving to operate. It can be used for wiring and unwinding operations in confined spaces. The spring switch uses the elasticity of the spring to switch between two states of its telescopic movement end, realizing the sharing of parts and reducing manufacturing costs. The spring of this utility model is bent into a ring structure or a V-shaped structure. The ring structure spring forms a clamp-type elastic clamp structure with the conductive plate through the side wall of its wiring port. The V-shaped structure spring forms a PID elastic clamp structure with the conductive plate through its elastic swing arm, thereby achieving full clamping and wiring of various wires. Both types of springs contact the telescopic movement end of the spring switch through the arc surface, providing the telescopic movement end of the spring switch with a rebound force along its sliding direction, ensuring that the spring switch can be pressed and bounced smoothly. Attached Figure Description

[0016] Figure 1 This is a perspective view of the first structure of this utility model;

[0017] Figure 2 This is an exploded perspective view of the first structure of this utility model;

[0018] Figure 3 This is a front view of the first structure of this utility model;

[0019] Figure 4 When the first structure of this utility model is in the normal wiring state Figure 3 Sectional view along line AA;

[0020] Figure 5 When the first structure of this utility model is in the wire-in or wire-out state Figure 3 Sectional view along line AA;

[0021] Figure 6 This is a top view of the first structure of this utility model;

[0022] Figure 7 This is a bottom view of the first structure of this utility model;

[0023] Figure 8This is a front view of the insulating body of the first structure of this utility model;

[0024] Figure 9 for Figure 8 Sectional view along the BB direction;

[0025] Figure 10 This is a top view of the insulating body of the first structure of this utility model;

[0026] Figure 11 This is a bottom view of the insulating body of the first structure of this utility model;

[0027] Figure 12 This is a front view of the conductive terminal of the first structure of this utility model;

[0028] Figure 13 This is a left view of the conductive terminal of the first structure of this utility model;

[0029] Figure 14 This is a top view of the conductive terminal of the first structure of this utility model;

[0030] Figure 15 This is a front view of the spring clip of the first structure of this utility model;

[0031] Figure 16 This is a left view of the spring clip of the first structure of this utility model;

[0032] Figure 17 This is a bottom view of the spring clip of the first structure of this utility model;

[0033] Figure 18 This is the main view of the button with the first structure of this utility model;

[0034] Figure 19 This is a right view of the button of the first structure of this utility model;

[0035] Figure 20 This is a top view of the button with the first structure of this utility model;

[0036] Figure 21 This is a bottom view of the button with the first structure of this utility model;

[0037] Figure 22 This is a front view of the switch body of the first structure of this utility model;

[0038] Figure 23 This is a right view of the switch body of the first structure of this utility model;

[0039] Figure 24 This is a top view of the switch body of the first structure of this utility model;

[0040] Figure 25This is a bottom view of the switch body of the first structure of this utility model;

[0041] Figure 26 This is a schematic diagram of the structural principle of the second structure of this utility model in the normal wiring state;

[0042] Figure 27 This is a schematic diagram of the structural principle of the second structure of this utility model in the incoming or outgoing state. Detailed Implementation

[0043] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0044] Example: A switch-type terminal block structure includes an insulating shell 1, conductive terminals 2, and a spring 3. A wiring cavity 11 is formed within the insulating shell 1. An inlet 12 communicating with the wiring cavity 11 is provided on the side wall of the insulating shell 1. The conductive plate 21 of the conductive terminal 2 is fixedly installed within the wiring cavity 11. The spring 3 is elastically mounted within the wiring cavity 11, and the spring 3 and the conductive plate 21 of the conductive terminal 2 can form an elastic clamping structure. This elastic clamping structure can clamp the wire inserted into the wiring cavity 11 through the inlet 12 to achieve a conductive connection between the wire and the conductive terminal 2. The side wall of the outer casing 1 is also provided with a switch slide 13 that communicates with the wiring cavity 11. A spring switch 4 is installed in the switch slide 13. The spring switch 4 includes a pressing operation end and a telescopic movement end. The pressing operation end can be exposed outside the insulating outer casing 1 through the opening of the switch slide 13 for pressing operation. When the pressing operation end is pressed once, it can drive the telescopic movement end to switch between the extended state and the retracted state. When the telescopic movement end of the spring switch 4 is in the extended state, it can force the spring piece 3 to overcome its own elastic force and move away from the conductive plate 21 to open the elastic clip structure.

[0045] With the spring 3 and conductive plate 21 in the normal wire clamping state, pressing down the operating end of the spring switch 4 once causes the telescopic movement end to move a certain distance towards the inside of the wiring cavity 11 and remain stationary in this position. At this time, the telescopic movement end forces the spring 3 to move away from the conductive plate 21, opening the elastic clamp structure, allowing the operator to perform wire retraction and insertion operations. After the operation is completed, pressing down the operating end of the spring switch 4 once more causes the telescopic movement end of the spring switch 4 to move away from the wiring cavity 11 and reset. Under its own elastic force, the spring 3 moves towards the conductive plate 21, clamping the wire and achieving conductivity between the wire and the conductive terminal 2. The above structure uses the spring switch 4 to operate the spring 3 inside the terminal block. At the same time, the structure of the spring switch 4 automatically positioning the telescopic movement end in different states achieves the disconnection of the spring 3 in two states, thus realizing two-hand wiring. The spring switch 4 is small in size and occupies little internal space in the insulating housing 1. It is easy to operate, and workers only need to press it repeatedly, which saves effort. It can be used in confined spaces. Moreover, the spring switch 4 utilizes its own positioning structure, which avoids the need for a plastic clip structure inside the insulating housing 1. This ensures that the positioning function of the spring switch 4 will not fail even after long-term use. Furthermore, the terminal block can be handed over to the user in a "ready for wiring" state, making wiring more convenient.

[0046] The inner wall of the switch slide 13 is provided with a raised ring, on which shallow guide grooves 131 and deep guide grooves 132 are alternately formed. The pressing end of the spring switch 4 is a button 41 installed in the switch slide 13, which can slide axially a set distance and stop circumferentially. A continuous V-shaped groove structure 411 is formed on the end face of the button 41 facing the wiring cavity 11. The end of the button 41 facing away from the wiring cavity 11 can extend out of the switch slide 13 for pressing operation. The telescopic movement end of the spring switch 4 is a switch body 42 installed in the switch slide 13, which can slide axially and rotate circumferentially. The end of the switch body 42 facing the wiring cavity 11 is tightly pressed against the side wall of the spring 3 along its elastic movement direction. The spring 3 provides the switch body 42 with a rebound force in the direction away from the wiring cavity 11. The end of the switch body 42 facing outward from the wiring cavity 11 is provided with a plurality of guide posts 43 arranged at intervals along its circumference. All guide posts 43 on the switch body 42 can be inserted into the shallow guide groove 131 or the deep guide groove 132. When the guide posts 43 on the switch body 42 are inserted into the shallow guide groove 131 or the deep guide groove 132, their depth into the wiring cavity 11 changes accordingly. The ends of each guide post 43 on the switch body 42 are in close contact with the first sidewall 4111 of the corresponding V-shaped groove structure 411 on the button 41, which is inclined in the same direction. The button 41 slides along the axial direction of the switch slide 13, which can force the switch body 42 to slide out towards the wiring cavity 11 and move a distance to the outside of the shallow guide groove 131 or the deep guide groove 132. The switch body 42 rotates at a set angle, thereby changing its correspondence with the shallow guide groove 131 and the deep guide groove 132. The rebound force of the spring 3 can cause the switch body 42 to slide in the opposite direction into the deep guide groove 132 or the shallow guide groove 131 when it loses the axial pressure of the button 41.

[0047] When button 41 is pressed down, the guide post 43 on the switch body 42 can move downward and exit the guide groove 132 through the first side wall 4111 of the V-shaped groove structure 411 at the lower end of button 41. Continuing to press button 41 downward, the guide post 43 on the switch body 42 rotates at a certain angle along the inclined direction of the first side wall 4111 under the combined action of the downward pressure and the rebound force of the spring 3. At this time, the guide post 43 is directly opposite an adjacent guide post. After button 41 can no longer be pressed down, button 41 is released, and the switch body 42 is in contact with the spring 3. Under the action of the rebound force, it moves upward, causing the guide post 43 on it to insert into the guide shallow groove 131 directly opposite it. At this time, the lower end of the switch body 42 extends into the wiring cavity 11 to a greater depth and presses the spring 3, thus realizing that the elastic clamp structure is in a clamped state. When the button 41 is pressed again, the guide post 43 continues to rotate at an angle, causing it to exit from the guide shallow groove 131 and re-enter the guide deep groove 132. At this time, the lower end of the switch body 42 extends into the wiring cavity 11 to a less depth and releases the spring 3, thus realizing that the elastic clamp structure is in a loosened state.

[0048] The aforementioned spring switch 4 structure utilizes the rebound force of the spring piece 3. By pressing the button 41, the guide post 43 on the switch body moves axially and circumferentially, and then alternately enters the shallow guide groove 131 and the deep guide groove 132 on the inner side wall of the switch slide 13. Since the depth of the switch body 42 inserted into the wiring cavity 11 is different when the guide post 43 is inserted into the deep guide groove 132 and the shallow guide groove 131, the state of pressing and releasing the spring piece 3 is changed.

[0049] The end of the guide post 43 forms a first guide slope or contact arc surface 431 that is inclined in the same direction as the first sidewall 4111 of the V-groove structure 411. This structure ensures that the guide post 43 slides smoothly along the first sidewall 4111 of the V-groove structure 411 of the button 41, thereby enabling the guide post 43 to slide axially out of or into the shallow guide groove 131 and the deep guide groove 132. At the same time, it enables the guide post 43 to rotate a certain angle in the circumferential direction, changing its positional relationship with the shallow guide groove 131 or the deep guide groove 132.

[0050] The convex ring is located between the shallow guide groove 131 and the deep guide groove 132. The side wall of the convex ring extends along the axial direction of the switch slide 13. The pointed bottom of the V-shaped groove structure 411 is directly opposite to the guide convex strip 133. The convex tip formed by the adjacent V-shaped groove structure 411 is directly opposite to the shallow guide groove 131 and the deep guide groove 132. The end face of the guide convex strip 133 facing the wiring cavity 11 is a second guide slope 1331 that is inclined in the same direction as the first side wall 4111 of the V-shaped groove structure 411. The first guide slope at the end of the guide post 43 can be flat against the second guide slope 1331.

[0051] One end of the switch body 42 facing the wiring cavity 11 is pressed against one side of the spring contact 3 in the direction of elastic movement. Pressing the button 41 and sliding it along the switch slide 13 causes the first sidewall 4111 of the V-groove structure 411 at one end of the button 41 to press against the guide post 43 on the switch body 42 and move towards the wiring cavity 11, completely exiting the shallow guide groove 131 or the deep guide groove 132. After the guide post 43 on the switch body 42 disengages from the shallow guide groove 131 or the deep guide groove 132, it can continue to slide along the first sidewall 4111 of the V-groove structure 411 on the button 41. Since the guide post 43 is not blocked by the sidewall of the shallow guide groove 131 or the deep guide groove 132 at this time, it can rotate in a circumferential direction, causing the switch body 42 to rotate at a certain angle. When button 41 is released, the switch body 42 is driven by the elastic force of the spring 3 to move button 41 in the opposite direction, so that the guide post 43 on it enters the opening of the guide deep groove 132 or guide shallow groove 131. Since the end of the guide protrusion 133 between the guide deep groove 132 and the guide shallow groove 131 is inclined, after the button 41 is pressed down and the guide post 43 is disengaged from the guide shallow groove 131 or the guide deep groove 132, it can continue to press down a small distance so that the guide post 43 can pass the sharp edge at the end of the guide protrusion 133 and enter the guide deep groove 132 or the guide shallow groove 131. Then, as the guide post 43 continues to move in the opposite direction along the second guide inclined surface 1331, it rotates and slides axially until it loses its pressure on the spring 3 or stops against the bottom surface of the guide shallow groove 131.

[0052] The spring contact 3 has a wire-passing opening 31. The conductive plate 21 of the conductive terminal 2 is inserted into the wire-passing opening 31. The moving wire can be inserted into the wiring cavity 11 through the wire inlet 12 and can be tightly clamped between the side wall of the wire-passing opening 31 and the conductive plate 21. When the spring contact 3 is pressed by the spring switch 4 and is in the wire-retracting or wire-entering state, the wire-passing opening 31 on the spring contact 3 is directly opposite the wire inlet 12 on the insulating shell 1. After the wire is inserted, it will be simultaneously inserted into the wire-passing opening 31 that is directly opposite the wire inlet 12. When the spring switch 4 is pressed again, the spring switch 4 releases the spring contact 3. The spring contact 3 moves under its own elastic force, thereby clamping the wire between the side wall of the wire-passing opening 31 and the wire plate.

[0053] One end of the spring piece 3 is a fixed end 32 that is fixedly connected to the inner wall of the conductive plate 21 or the wiring cavity 11. The other end of the spring piece 3 is an elastic moving end that can swing elastically. The wire passage 31 is located on the elastic moving end of the spring piece 3. The telescopic moving end of the spring switch 4 is pressed against the side wall 33 of the elastic moving end of the spring piece 3. The telescopic moving end of the spring switch 4 can drive the elastic moving end of the spring piece 3 to swing back and forth. The spring piece 3 can also be composed of a spring that extends vertically and vertically and a conductive sheet that extends vertically. This is an equivalent replacement structure that can be easily conceived by those skilled in the art based on this application, and it also falls within the protection scope of this application.

[0054] The elastic moving end of the spring piece 3 is provided with a bending arm 34 extending along the thickness direction of the conductive plate 21, and the wire passage 31 is located on the bending arm 34. In this way, the oscillation of the elastic moving end of the spring piece 3 is converted into the reciprocating motion of the bending arm 34 along the thickness direction of the conductive plate 21.

[0055] An avoidance guide groove 14 is formed on the inner sidewall of the wiring cavity 11, which is directly opposite to the position of the bending arm 34 on the spring 3. The bending arm 34 is inserted into the avoidance guide groove 14, and the sidewall of the avoidance guide groove 14 guides and limits the wire-feeding movement of the bending arm 34. The avoidance guide groove 14 avoids the bending arm 34 to prevent interference, and at the same time limits and guides the bending arm 34 to prevent it from bending and deforming during the movement of the elastic moving end of the spring 3 or due to impact from the wire.

[0056] The conductive terminal 2 includes an L-shaped conductive body 22. An L-shaped positioning groove 15 matching the shape of the conductive body 22 is formed on the side wall of the wiring cavity 11 of the insulating shell 1. The edge of the conductive body 22 is fixedly inserted into the L-shaped positioning groove 15. A pin 23 extending outwards from the outside of the insulating shell 1 is formed on one side wall of the L-shaped structure of the conductive body 22. A conductive plate 21 with an end width smaller than the root width is formed on the other side wall of the L-shaped structure of the conductive body 22. The fixed end 32 and the elastic moving end of the spring piece 3 are arc-bottom V-shaped structures formed by bending. One side wall of the arc-bottom V-shaped structure is the fixed end 32 of the spring piece 3, and the other side wall is the elastic moving end. The bending arm 34 extends from the end of the other side wall of the arc-bottom V-shaped structure towards one side. The bending structure in the wall direction, the end face of the telescopic movement end of the spring switch 4 is tightly abutted against the convex arc surface formed by the bending arm 34 and the elastic element movement end of the spring piece 3. The end of one side wall of the arc-bottom V-shaped structure forms a narrowed insert 35. The insert 35 is inserted into the wire passage 31 on the bending arm 34. The arc-shaped bottom surface of the arc-bottom V-shaped structure of the spring piece 3 is tightly attached to one side wall of the L-shaped structure of the conductive body 22. The one side wall of the arc-bottom V-shaped structure of the spring piece 3 is tightly attached to the other side wall of the L-shaped structure of the conductive body 22. The wire passage 31 on the bending arm 34 of the spring piece 3 is sleeved on the outside of the other side wall end of the L-shaped structure of the conductive body 22. The side of the bending arm 34 of the spring piece 3 facing away from the wire inlet 12 is stopped by the step surface at the root of the insert 35 of the spring piece 3 and the step surface between the two ends of the conductive plate 21.

[0057] To improve assembly convenience, the insulating shell 1 is preferably designed as a structure formed by the interlocking of the insulating body 16 and the insulating cover 17. The two are spliced ​​together to form the wiring cavity 11 and the L-shaped positioning groove 15, which facilitates the assembly and positioning of the spring 3 and the conductive terminal 2. The conductive plate 21 of the conductive terminal 2 preferably has an upward-curved structure at its end, which forms an inclined wire guide surface to prevent interference with the wire. The spring 3 itself forms a ring structure that will not spread out. It contacts the inner wall of the wiring cavity 11 through the arc surface, which will not cause jamming or interference, ensuring that the spring 3 can smoothly generate elastic deformation. The fixed end 32 of the spring 3 and the bending arc surface of its fixed end 32 and the elastic moving end are tightly attached to the two side walls of the conductive body 22 of the conductive terminal 2. At the same time, the spring 3 is positioned by the blocking and limiting of the bending arm 34 on the spring 3 and the elastic moving end against the inner wall of the wiring cavity 11. The side wall of the spring 3, which is the fixed end 32, preferably has an arc-shaped bending structure, so that its end is curved downward to prevent it from falling off the wiring port.

[0058] The spring piece 3 is a V-shaped structure with an arc bottom formed by bending. One side wall of the arc bottom V-shaped structure of the spring piece 3 is fixedly connected to the inner side wall of the wiring cavity 11 or the conductive terminal 2 to form a fixed end 32. The other side wall of the arc bottom V-shaped structure of the spring piece 3 forms an elastic moving end that can elastically swing around its arc bottom. The middle of the other side wall of the arc bottom V-shaped structure of the spring piece 3 is bent to form an outwardly protruding circular island structure 36. The circular island structure 36 is in close contact with the end face of the telescopic moving end of the spring switch 4. The circular island structure 36 always provides elastic force to the telescopic moving end of the spring switch 4 along its telescopic direction. In addition to the spring clamp connection structure, the spring piece 3 and the conductive terminal 2 of this utility model can also adopt a PID (Push-indesign) structure. The circular island structure 36 is formed on the spring piece 3 of the PID structure by bending. The circular island structure 36 applies the rebound force to the spring switch 4. The rebound force is always upward, ensuring that the telescopic moving end of the spring switch 4 always moves smoothly up and down and preventing it from tilting and getting stuck.

Claims

1. A switch-type terminal block structure, comprising an insulating shell (1), conductive terminals (2), and a spring (3), wherein a wiring cavity (11) is formed inside the insulating shell, and an inlet (12) communicating with the wiring cavity is provided on the side wall of the insulating shell; a conductive plate (21) of the conductive terminal is fixedly installed in the wiring cavity; the spring is elastically installed in the wiring cavity; the spring and the conductive plate of the conductive terminal can form an elastic clamp structure; the elastic clamp structure can clamp the wire inserted into the wiring cavity through the inlet to achieve a conductive connection between the wire and the conductive terminal, characterized in that: The insulating shell sidewall is also provided with a switch slide (13) that communicates with the wiring cavity. A spring switch (4) is installed in the switch slide. The spring switch includes a pressing operation end and a telescopic movement end. The pressing operation end can be exposed outside the insulating shell through the opening of the switch slide for pressing operation. When the pressing operation end is pressed once, it can drive the telescopic movement end to switch between the extended state and the retracted state. When the telescopic movement end of the spring switch is in the extended state, it can force the spring to overcome its own elastic force and move away from the conductive plate to open the elastic clip structure.

2. The switchboard structure according to claim 1, characterized in that: A raised ring is provided on the inner wall of the switch slide, and shallow guide grooves (131) and deep guide grooves (132) are alternately formed on the raised ring. The pressing operation end of the pop-up switch is a button (41) installed in the switch slide that can slide a set distance axially and stop in the circumferential direction. A continuous V-shaped groove structure (411) is formed on the end face of the button facing the wiring cavity. The end of the button facing away from the wiring cavity can extend out of the switch slide for pressing operation. The telescopic movement end of the pop-up switch is a switch body (42) installed in the switch slide that can slide axially and rotate in the circumferential direction. The end of the switch body facing the wiring cavity is pressed against the side wall of the spring along its elastic movement direction. The spring provides the switch body with a rebound force in the direction away from the wiring cavity. A plurality of grooves are provided on the end of the switch body facing the outside of the wiring cavity. The guide posts (43) are arranged at intervals in the circumferential direction. All the guide posts on the switch body can be inserted into the shallow guide groove or the deep guide groove. When the guide posts on the switch body are inserted into the shallow guide groove or the deep guide groove, their depth into the wiring cavity changes accordingly. The ends of each guide post on the switch body are in close contact with the first sidewall (4111) of the corresponding V-shaped groove structure on the button. The button slides along the axial direction of the switch slide, which can force the switch body to slide out of the shallow guide groove or the deep guide groove a certain distance in the direction of the wiring cavity. The switch body rotates at a set angle, thereby changing the correspondence with the shallow guide groove and the deep guide groove. The rebound force of the spring can make the switch body slide in the opposite direction into the deep guide groove or the shallow guide groove when it loses the axial pressure of the button.

3. The switchboard structure according to claim 2, characterized in that: The end of the guide post forms a first guide slope or contact arc surface (431) that is inclined in the same direction as the first sidewall of the V-groove structure.

4. The switchboard structure according to claim 3, characterized in that: The convex ring is located between the shallow guide groove and the deep guide groove. The side wall of the guide ring extends along the axial direction of the switch slide. The pointed bottom of the V-shaped groove structure is directly opposite to the guide convex strip. The convex tip formed by the adjacent V-shaped groove structure is directly opposite to the shallow guide groove and the deep guide groove. The end face of the guide convex strip facing the wiring cavity is a second guide slope (1331) that is inclined in the same direction as the first side wall of the V-shaped groove structure. The first guide slope at the end of the guide post can be flat against the second guide slope.

5. The switchboard structure according to claim 1, characterized in that: The spring sheet has a wire passage (31) formed on it. The conductive plate of the conductive terminal is inserted into the wire passage. The moving wire can be inserted into the wiring cavity through the wire inlet and can be tightly clamped between the side wall of the wire passage and the conductive plate.

6. A switchboard structure according to claim 5, c h a r a c t e r i s e d in that One end of the spring is a fixed end (32) that is fixedly connected to the inner wall of the conductive plate or wiring cavity, and the other end of the spring is an elastic moving end that can swing elastically. The wire passage is located on the elastic moving end of the spring. The telescopic moving end of the spring switch is close to the side wall (33) of the elastic moving end of the spring. The telescopic moving end of the spring switch can drive the elastic moving end of the spring to swing back and forth.

7. A switchboard structure according to claim 6, c h a r a c t e r i s e d in that The elastic moving end of the spring sheet is provided with a bending arm (34) extending along the thickness direction of the conductive plate, and the wire passage is located on the bending arm.

8. The switchboard structure according to claim 5, characterized in that: An avoidance guide groove (14) is formed on the inner side wall of the wiring cavity, which is directly opposite to the position of the bending arm on the spring piece. The bending arm is inserted into the avoidance guide groove, and the side wall of the avoidance guide groove guides and limits the wire-entry movement of the bending arm.

9. The switchboard structure according to claim 7, characterized in that: The conductive terminal includes an L-shaped conductive body (22). An L-shaped positioning groove (15) matching the shape of the conductive body of the conductive terminal is formed on the side wall of the wiring cavity of the insulating shell. The edge of the conductive body of the conductive terminal is fixedly inserted into the L-shaped positioning groove. A pin (23) extending to the outside of the insulating shell is formed on one side wall of the L-shaped structure of the conductive body. A conductive plate with an end width smaller than the root width is formed on the other side wall of the L-shaped structure of the conductive body. The fixed end and the elastic moving end of the spring are arc-bottom V-shaped structures formed by bending. One side wall of the arc-bottom V-shaped structure is the fixed end of the spring, and the other side wall of the arc-bottom V-shaped structure is the elastic moving end. The bending arm is formed from the other side wall of the arc-bottom V-shaped structure. The bending structure faces one side wall. The end face of the telescopic movement end of the spring switch is pressed against the convex arc surface formed by the bending arm and the elastic element movement end of the spring piece. The end of one side wall of the arc-bottom V-shaped structure forms a narrowed insert (35). The insert is inserted into the wire passage on the bending arm. The arc-shaped bottom surface of the arc-bottom V-shaped structure of the spring piece is pressed against one side wall of the conductive body L-shaped structure. The side wall of the arc-bottom V-shaped structure of the spring piece is pressed against the other side wall of the conductive body L-shaped structure. The wire passage on the bending arm of the spring piece is sleeved on the outside of the other side wall end of the conductive body L-shaped structure. The side of the bending arm of the spring piece facing away from the wire inlet is stopped by the step surface at the root of the insert of the spring piece and the step surface between the two ends of the conductive plate.

10. The switchboard structure according to claim 1, characterized in that: The spring is a V-shaped structure with an arc bottom formed by bending. One side wall of the arc bottom V-shaped structure of the spring is fixedly connected to the inner side wall of the wiring cavity or the conductive terminal to form a fixed end. The other side wall of the arc bottom V-shaped structure of the spring forms an elastic moving end that can elastically swing around its arc bottom. The middle of the other side wall of the arc bottom V-shaped structure of the spring has an outwardly protruding circular island structure (36) formed by bending. The circular island structure is in close contact with the end face of the telescopic moving end of the spring switch. The circular island structure always provides elastic force to the telescopic moving end of the spring switch along its telescopic direction.

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