A terminal with a wiring state prompting function

Abstract

The utility model discloses a kind of wiring terminals with wiring state prompting function, it is related to connector field.The wiring terminal includes insulating shell, clamping wire conducting component, on-off indicating conducting component and operating handle;Locking cavity is equipped in insulating shell, and insulating shell side wall is equipped with wire insertion hole;Clamping wire conducting component includes clamping wire spring, clamping wire spring includes fixed part and deformation part, deformation part is upturned and extends to locking cavity, and one connecting lug is respectively arranged in the front and rear ends of deformation part;On-off indicating conducting component includes first contact piece and second contact piece, and contact bump is equipped on first contact piece;Operating handle includes operating head and two connecting plates, two connecting plates are respectively pivotally connected in the front and rear outer walls of insulating shell, and two connecting plates are respectively connected with two connecting lug, and operating head is equipped with push part.The wiring terminal is simple and fast, and it has the mechanical linkage on-off structure of wiring state, with wiring state prompting function.

Description

Technical Field

[0001] This utility model relates to the field of connectors, and in particular to a terminal block with a wiring status indication function. Background Technology

[0002] Terminal blocks are accessories used to achieve electrical connections. They are a type of connector that enables electrical connections between wires or between wires and equipment, while also providing mechanical fixation to ensure connection stability. Existing terminal block structures generally include a fixing part and a connecting part. The fixing part is used to secure the wire to the terminal block, while the connecting part is responsible for connecting to other wires or equipment. Most of the fixing parts use screw connections; the wire is inserted into the terminal block, and then the screw is repeatedly turned and tightened with a screwdriver to secure the wire to the terminal block. This operation is cumbersome and reduces wiring efficiency. Furthermore, some existing connecting terminals lack a mechanical linkage mechanism to indicate the wiring status, and do not have a wiring status indication function after wire insertion, making it inconvenient for operators to identify the wiring status of the terminal block. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a terminal block with a wiring status indication function, which is simple and quick to wire and has a mechanical linkage on / off structure for wiring status, and has a wiring status indication function.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A terminal block with wiring status indication function includes an insulating housing, a wire clamping conductive component, a continuity indication conductive component, and an operating handle;

[0006] The insulating housing has a locking cavity inside, and the side wall of the insulating housing has a plug hole that communicates with the locking cavity;

[0007] The wire-clamping conductive assembly includes a wire-clamping spring, which includes a fixing part and a deforming part. The fixing part is fixed inside the insulating housing, and the deforming part is integrally connected to the fixing part. The deforming part is curved upward and extends into the wire-locking cavity. A connecting ear is provided at each of the front and rear ends of the deforming part. The two connecting ears pass through the front and rear side walls of the insulating housing and can rotate up and down.

[0008] The continuity indicator conductive component is installed on the side of the insulating housing away from the plug hole. The continuity indicator conductive component includes a first contact piece and a second contact piece. The first contact piece is provided with contact protrusions that elastically contact the second contact piece.

[0009] The operating handle includes an operating head and two connecting plates spaced apart on one side of the operating head. The two connecting plates are pivotally connected to the front and rear outer walls of the insulating housing, and the two connecting plates are connected to two connecting ears. The operating head is provided with a pushing part that matches the first contact piece. When the pushing part rotates clockwise, it pushes and squeezes the first contact piece to cause it to elastically deform, thereby causing the contact protrusion to separate from the second contact piece.

[0010] In some embodiments, the first contact piece includes a vertical piece, a U-shaped deformable portion, and an Ω-shaped deformable portion. The vertical piece is fixed inside the insulating housing. The U-shaped deformable portion is located at the upper end of the vertical piece with its opening facing downwards. The Ω-shaped deformable portion is located outside the vertical piece with its opening facing upwards. One end of the U-shaped deformable portion is integrally connected to the upper end of the vertical piece, and the other end is integrally connected to the upper end of the Ω-shaped deformable portion. The arcuate protrusion of the Ω-shaped deformable portion protrudes outside the side wall of the insulating housing. The contact protrusion is located on the lower outer side wall of the Ω-shaped deformable portion. The second contact piece includes a baffle plate, which is fixed inside the insulating housing and located on the lower outer side of the Ω-shaped deformable portion. The baffle plate has a notch at its upper end, the bottom surface of which is higher than the lower end surface of the Ω-shaped deformable portion. The baffle plate is used to block the contact protrusion and make contact with the contact protrusion. The pushing part is used to push and compress the arcuate protrusion of the Ω-shaped deformable portion to cause it to elastically deform inwards, thereby causing the contact protrusion to separate from the baffle plate.

[0011] In some embodiments, the insulating housing has a first arc surface on the side away from the insertion hole; the pushing part is provided on the side of the operating head close to the first arc surface, and the pushing part has a second arc surface that matches the first arc surface. When the pushing part rotates clockwise, the lower end of the second arc surface is used to push the arc-shaped protrusion of the extrusion Ω-shaped deformation part to make it elastically deform inward.

[0012] In some embodiments, the lower end of the vertical plate is integrally connected to a first pin that extends downward through the bottom of the insulating housing, and the lower end of the baffle is integrally connected to a second pin that extends downward through the bottom of the insulating housing.

[0013] Compared with the prior art, this utility model achieves at least the following beneficial effects:

[0014] This invention features simple and quick wiring. When the wire is inserted into the locking cavity, the deformable part of the clamping spring, due to its elastic force, firmly presses the wire into the locking cavity, achieving automatic locking. This invention has a mechanical linkage on / off structure for the wiring status, with a wiring status indication function. When not wired, the first contact piece of the on / off indicator conductive component elastically contacts the second contact piece through the contact protrusion due to its elastic force, connecting the circuit. The indicator device prompts the operator that the connector is not wired. When wired, the wire squeezes the deformable part of the clamping spring, causing it to move clockwise. The deformable part drives the operating handle to rotate clockwise through the two connecting ears. The pushing part on the operating head rotates clockwise to push the first contact piece inward to undergo elastic deformation, thereby causing the contact protrusion to separate from the second contact piece, disconnecting the circuit. The indicator device prompts the operator that the connector is wired. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of this application;

[0016] Figure 2 This is an exploded view of an embodiment of this application;

[0017] Figure 3 This is a schematic diagram of the structure of the wire-clamping conductive component according to an embodiment of this application;

[0018] Figure 4 This is a schematic diagram of the on / off indicator conductive component according to an embodiment of this application;

[0019] Figure 5 This is a cross-sectional view of an embodiment of this application in an unconnected state;

[0020] Figure 6 for Figure 5 A magnified view of a portion of region A;

[0021] Figure 7 This is a cross-sectional view of an embodiment of this application in the wiring state;

[0022] Figure 8 for Figure 7 A magnified view of region B.

[0023] The following are the labels in the diagram: 1. Insulating shell; 11. Locking cavity; 12. Insertion hole; 13. First arc surface; 2. Wire clamping conductive assembly; 21. Wire clamping spring; 211. Fixing part; 212. Deformation part; 212a. Connecting ear; 22. Foot; 221. Horizontal base plate; 222. Third pin; 3. On / off indicator conductive assembly; 31. First contact piece; 311. Vertical piece; 311a. First pin; 312. U-shaped deformation part; 313. Ω-shaped deformation part; 32. Second contact piece; 321. Baffle; 321a. Notch; 321b. Second pin; 4. Operating handle; 41. Operating head; 411. Pushing part; 411a. Second arc surface; 412. Finger groove; 42. Connecting plate; 421. Connecting hole; 5. Contact protrusion; 6. Positioning post. Detailed Implementation

[0024] The present invention will now be described in detail with reference to exemplary embodiments shown in the accompanying drawings. However, it should be understood that the present application may be implemented in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided herein to make the disclosure of this application more complete and to fully convey the concept of the present application to those skilled in the art.

[0025] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "several" or "more than" means two or more, unless otherwise explicitly specified. In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. In this application, unless otherwise expressly specified and limited, "above" or "below" a second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. Moreover, "above," "over," and "on top" of a second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of a second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] like Figures 1-8 As shown, the terminal block with wiring status indication function in this embodiment includes an insulating housing 1, a wire clamping conductive component 2, a continuity indicator conductive component 3, and an operating handle 4.

[0027] The insulating housing 1 has a wire-locking cavity 11 inside, and a wire insertion hole 12 communicating with the wire-locking cavity 11 is provided on the side wall of the insulating housing 1. The wire is inserted into the wire-locking cavity 11 through the wire insertion hole 12. The conductive component includes a wire-clamping spring 21, which includes a fixing part 211 and a deformable part 212. The fixing part 211 is fixed inside the insulating housing 1, and the deformable part 212 is integrally connected to the fixing part 211. The deformable part 212 is curved upward and extends into the wire-locking cavity 11. A connecting ear 212a is provided at each of the front and rear ends of the deformable part 212. The two connecting ears 212a pass through the front and rear side walls of the insulating housing 1 and can rotate up and down. It should be noted that when the wire is inserted into the wire-locking cavity 11 through the wire insertion hole 12, the wire is located above the deformable part 212, and the deformable part 212 presses the wire tightly into the wire-locking cavity 11 due to the elastic force. The on / off indicator conductive component 3 is installed on the side of the insulating housing 1 away from the plug hole 12. The on / off indicator conductive component 3 includes a first contact piece 31 and a second contact piece 32. The first contact piece 31 is provided with a contact protrusion 5 that elastically contacts the second contact piece 32. The operating handle 4 includes an operating head 41 and two connecting plates 42 that are spaced apart on one side of the operating head 41. The two connecting plates 42 are pivotally connected to the front and rear outer walls of the insulating housing 1, and the two connecting plates 42 are respectively connected to two connecting ears 212a. The operating head 41 is provided with a pushing part 411 that matches the first contact piece 31. When the pushing part 411 rotates clockwise, it is used to push and squeeze the first contact piece 31 to make it elastically deformed, thereby causing the contact protrusion 5 to separate from the second contact piece 32. Optionally, the bottom of the operating head 41 is provided with a finger groove 412 to facilitate the operator to lift the operating head 41 for rotation operation. In this embodiment, an indicator device can be provided on the connector, such as an LED indicator light installed in a conspicuous position next to the connector. Two signal lines are led out from the on / off indicator conductive component 3 and connected to the control module of the device (such as a PLC relay). After the control module determines the on / off state of the on / off indicator conductive component 3, it drives the LED indicator light to turn on and off. For example, when the contact protrusion 5 on the first contact piece 31 makes contact with the second contact piece 32 and conducts, the circuit is connected, the LED indicator light turns on, and the operator is reminded that the connector is not connected. When the contact protrusion 5 on the first contact piece 31 separates from the second contact piece 32, the circuit is disconnected, the indicator light turns off, and the operator is reminded that the connector is connected.

[0028] Optionally, the first contact piece 31 includes a vertical piece 311, a U-shaped deformable portion 312, and an Ω-shaped deformable portion 313. The vertical piece 311 is fixed inside the insulating housing 1. The U-shaped deformable portion 312 is located at the upper end of the vertical piece 311 with its opening facing downwards. The Ω-shaped deformable portion 313 is located outside the vertical piece 311 with its opening facing upwards. One end of the U-shaped deformable portion 312 is integrally connected to the upper end of the vertical piece 311, and the other end is integrally connected to the upper end of the Ω-shaped deformable portion 313. The arc-shaped protrusion of the Ω-shaped deformable portion 313 protrudes outside the side wall of the insulating housing 1. The contact protrusion 5 is located on the lower outer side wall of the Ω-shaped deformable portion 313. The second contact piece 32 includes a baffle 321, which is fixed inside the insulating housing 1 and located on the lower outer side of the Ω-shaped deformable portion 313. The upper end of 21 is provided with a notch 321a, the bottom surface of which is higher than the lower end surface of the Ω-shaped deformation part 313. The baffle 321 is used to block the contact protrusion 5 and contact the contact protrusion 5. That is, under normal conditions, the contact protrusion 5 at the lower end of the Ω-shaped deformation part 313 is in elastic contact with the inner side of the baffle 321 due to the elastic force. After the wire is inserted into the locking cavity 11, the wire squeezes the deformation part 212 to rotate clockwise. The deformation part 212 drives the two connecting plates 42 to rotate clockwise through the two connecting ears 212a. As a result, the operating head 41 rotates clockwise and pushes the squeezing Ω-shaped deformation part 313 and U-shaped deformation part 312 to undergo elastic deformation inward through the pushing part 411. This causes the contact protrusion 5 to move away from the baffle 321 and separate from the baffle 321.

[0029] Furthermore, the insulating housing 1 has a first arc surface 13 on the side away from the insertion hole 12; the pushing part 411 is provided on the side of the operating head 41 close to the first arc surface 13, and the pushing part 411 has a second arc surface 411a that matches the first arc surface 13. When the pushing part 411 rotates clockwise, the second arc surface 411a contacts the first arc surface 13, and the lower end of the second arc surface 411a is used to push the arc-shaped protrusion of the extrusion Ω-shaped deformation part 313 to make it elastically deform inward.

[0030] Furthermore, the lower end of the vertical plate 311 is integrally connected to a first pin 311a that extends downward through the bottom of the insulating housing 1, and the lower end of the baffle plate 321 is integrally connected to a second pin 321b that extends downward through the bottom of the insulating housing 1. The first pin 311a and the second pin 321b are electrically connected to the control module of the device.

[0031] Optionally, each of the two connecting plates 42 is provided with a connecting hole 421 that matches the two connecting ears 212a. The connecting ears 212a are inserted into the connecting holes 421, so that when the deformable part 212 moves, the two connecting plates 42 can be rotated through the two connecting ears 212a, thereby driving the pushing part 411 of the operating head 41 to rotate.

[0032] Optionally, the wire clamping conductive assembly 2 also includes a foot base 22. The foot base 22 includes a horizontal base plate 221 and a plurality of third pins 222. The horizontal base plate 221 is mounted on the inner bottom of the insulating housing 1 and is integrally connected to the fixing part 211. The third pins 222 are integrally connected to the horizontal base plate 221 and extend downward through the bottom of the insulating housing 1. The third pins 222 can be connected to the circuit board to fix the connector and realize the electrical connection between the inserted wire and the circuit board.

[0033] Optionally, a positioning post 6 is fixed inside the lower part of the insulating housing 1; the fixing part 211 of the wire clamping spring 21 is coaxially sleeved outside the positioning post 6.

[0034] refer to Figures 5-8 As shown, the principle of this utility model embodiment is as follows:

[0035] When the wire is not connected, i.e., when the wire is not inserted into the locking cavity 11, the first contact piece 31 of the continuity indicator conductive component 3 makes elastic contact with the second contact piece 32 through the contact protrusion 5 due to the elastic force, and the circuit is connected. The indicator device prompts the operator that the connector is in an unconnected state. When the wire is connected, i.e., when the wire is inserted into the locking cavity 11, the wire squeezes the deformation part 212 of the wire clamping spring 21 and moves clockwise. The deformation part 212 drives the operating handle 4 to rotate clockwise through the two connecting ears 212a. In turn, the pushing part 411 on the operating head 41 rotates clockwise to push the Ω-shaped deformation part of the first contact piece 31. The U-shaped deformation part 313 and the Ω-shaped deformation part 312 elastically deform inward, thereby causing the contact protrusion 5 to separate from the second contact piece 32, disconnecting the circuit. The indicator device prompts the operator that the connector is in the wiring state. When it is necessary to remove the wire, press down on the operating handle 4, and the deformation part 212 of the clamping spring 21 rotates clockwise to open and release the wire, which can then be removed. Then, the deformation part 212 of the clamping spring 21 rotates counterclockwise to spring back and pulls back the operating handle 4 to rotate counterclockwise to reset, thereby restoring the contact protrusion 5 and the second contact piece 32 to the contact and conduction state. This utility model has a simple and quick wiring method. Due to the elastic force, the deformation part 212 of the clamping spring 21 can firmly press the wire into the locking cavity 11 to achieve automatic locking. This utility model also has a mechanical linkage on / off structure for the wiring state and a wiring state indication function.

[0036] It should be understood that all the above embodiments are exemplary and not restrictive. Any modifications, equivalent changes and alterations made by those skilled in the art to the specific embodiments described above under the concept of this utility model shall still fall within the scope of the technical solution of this utility model.

Claims

1. A terminal block with wiring status indication function, characterized in that: Includes an insulating housing, a wire-clamping conductive component, a continuity indicator conductive component, and an operating handle; The insulating housing has a locking cavity inside, and the side wall of the insulating housing has a plug hole that communicates with the locking cavity. The wire-clamping conductive assembly includes a wire-clamping spring, which includes a fixing part and a deforming part. The fixing part is fixed inside the insulating housing, and the deforming part is integrally connected to the fixing part. The deforming part is curved upward and extends into the wire-locking cavity. A connecting ear is provided at each of the front and rear ends of the deforming part. The two connecting ears pass through the front and rear side walls of the insulating housing and can rotate up and down. The on / off indicator conductive component is installed on the side of the insulating housing away from the plug hole. The on / off indicator conductive component includes a first contact piece and a second contact piece. The first contact piece is provided with contact protrusions that elastically contact the second contact piece. The operating handle includes an operating head and two connecting plates spaced apart on one side of the operating head. The two connecting plates are pivotally connected to the front and rear outer walls of the insulating housing, and the two connecting plates are connected to two connecting ears. The operating head is provided with a pushing part that matches the first contact piece. When the pushing part rotates clockwise, it is used to push and squeeze the first contact piece to cause it to elastically deform, thereby causing the contact protrusion to separate from the second contact piece.

2. The terminal block with wiring status indication function according to claim 1, characterized in that: The first contact piece includes a vertical piece, a U-shaped deformable portion, and an Ω-shaped deformable portion. The vertical piece is fixed inside the insulating shell. The U-shaped deformable portion is located at the upper end of the vertical piece with its opening facing downwards. The Ω-shaped deformable portion is located outside the vertical piece with its opening facing upwards. One end of the U-shaped deformable portion is integrally connected to the upper end of the vertical piece, and the other end is integrally connected to the upper end of the Ω-shaped deformable portion. The arc-shaped protrusion of the Ω-shaped deformable portion protrudes outside the side wall of the insulating shell. The contact protrusion is located on the lower outer side wall of the Ω-shaped deformable portion. The second contact piece includes a baffle plate, which is fixed inside the insulating shell and located on the lower outer side of the Ω-shaped deformable portion. The baffle plate has a notch at its upper end, and the bottom surface of the notch is higher than the lower end surface of the Ω-shaped deformable portion. The baffle plate is used to block the contact protrusion and make contact with the contact protrusion. The pushing part is used to push and compress the arc-shaped protrusion of the Ω-shaped deformable portion to cause it to elastically deform inwards, thereby causing the contact protrusion to separate from the baffle plate.

3. The terminal block with wiring status indication function according to claim 2, characterized in that: The insulating housing has a first arc surface on the side away from the insertion hole; the pushing part is located on the side of the operating head close to the first arc surface, and the pushing part has a second arc surface that matches the first arc surface. When the pushing part rotates clockwise, the lower end of the second arc surface is used to push the arc-shaped protrusion of the extrusion Ω-shaped deformation part to make it elastically deform inward.

4. The terminal block with wiring status indication function according to claim 2, characterized in that: The lower end of the vertical plate is integrally connected to a first pin that extends downward through the bottom of the insulating shell, and the lower end of the baffle is integrally connected to a second pin that extends downward through the bottom of the insulating shell.

5. The terminal block with wiring status indication function according to claim 1, characterized in that: The bottom of the operating head is provided with a finger groove.

6. The terminal block with wiring status indication function according to claim 1, characterized in that: Each of the two connecting plates is provided with a connecting hole that matches the two connecting lugs; the connecting lugs are inserted into the connecting holes.

7. The terminal block with wiring status indication function according to claim 1, characterized in that: The wire-clamping conductive assembly also includes a foot base, which includes a horizontal base plate and a plurality of third pins. The horizontal base plate is mounted on the inner bottom of the insulating housing and is integrally connected to the fixing part. The third pins are integrally connected to the horizontal base plate and extend downward through the bottom of the insulating housing.

8. The terminal block with wiring status indication function according to claim 1, characterized in that: A positioning post is fixed inside the lower part of the insulating shell; the fixing part of the clamping spring is coaxially sleeved outside the positioning post.

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