Crimping type switching device for mounting screen

Abstract

The utility model relates to the technical field of electrical connecting pieces, in particular to a crimping type switching device for a mounting screen, which comprises a fixed seat and a wiring unit arranged in a fixed part, the wiring unit comprises a supporting piece, the bottom of the supporting part is fixedly connected with a limiting part, an abutting part is arranged in the limiting part, and a clamping part is arranged at the top of the supporting part. The inner wall of the top end of the supporting part is in threaded connection with a screwing bolt, a first conductive part is arranged outside the supporting part and comprises a first connecting part, the outer wall of the left side of the first conductive part is fixedly connected with a first extending part, the bottom end of the first extending part is fixedly connected with a first conductive part, and a first positioning groove is formed in the first conductive part; the top of the second connecting part is fixedly connected with a second extension part, and the top of the second extension part is fixedly connected with a second conductive part. According to the utility model, the number of parts forming the wiring unit is effectively reduced, and the manufacturing and using cost of the whole switching device is reduced.

Description

Technical Field

[0001] The utility model relates to the field of electrical connectors, in particular to a press-connection switching device for mounting screens. Background Art

[0002] A switching device for a mounting panel is an electrical connector used in the mounting panel of a power automation relay protection system, primarily used to open and close an electrical circuit. Known switching devices for mounting panels typically consist of a mounting base, two wiring units mounted on the mounting base, and a switching plate for conducting electricity. One end of the switching plate serves as a normally closed terminal and is fixedly connected to one of the wiring units, while the other end of the switching plate serves as an open / close terminal and is clipped onto the other wiring unit. In actual use, the electrical circuit can be opened and closed by disconnecting or closing the open / close terminal of the switching plate from the corresponding wiring unit.

[0003] When applying for this utility model, the applicant searched and found that a Chinese patent disclosed an "installation screen intelligent switch piece" with the application number "CN201820140822.3". This patent mainly uses a screw connection method for wiring. This wiring method is not only complicated to operate, but also requires more parts. Moreover, since the screw connection method is only suitable for wiring using O-type or Y-type terminals, it invisibly increases the manufacturing and use costs of the switching device. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a pressure-connected switching device for mounting a screen.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a crimp-type switching device for installing a screen, comprising a fixing seat, the fixing seat comprising a fixing part, and the number of the fixing parts is two, the lower ends of the two fixing parts are each provided with a wiring port, and the interiors of the two fixing parts are each provided with a wiring unit, and the wiring unit comprises a support member, the support member comprises a support part, the bottom of the support part is fixedly connected to the limiting part, the interior of the limiting part is provided with an abutting part, the top of the support part is provided with a clamping part, the top inner wall of the support member is threadedly connected with a screw bolt, the outside of the support part is provided with a first conductive member, the first conductive member comprises a first connecting part, the first connecting part is sleeved on the outside of the screw bolt, and the left outer wall of the first connecting part is fixedly connected with the first conductive member. An extension portion, the bottom end of the first extension portion is fixedly connected to the first conductive portion, a first positioning groove is provided inside the first conductive portion, a card slot is provided inside the first connecting portion, and the card connection portion is located inside the card slot; the bottom of the support member is fixedly connected to the wiring frame, a wiring cavity s is provided inside the wiring frame, the position of the wiring port corresponds to the position of the wiring cavity s, the bottom of the wiring frame is threadedly connected to an operating screw, the outer wall of the operating screw is sleeved with a second conductive member, the second conductive member includes a second connecting portion, the top of the second connecting portion is fixedly connected to the second extension portion, the top of the second extension portion is fixedly connected to the second conductive portion, a second positioning groove is provided inside the second conductive portion, and the first positioning groove and the second positioning groove are both located inside the wiring frame.

[0006] As a further description of the above technical solution:

[0007] The top of the screw bolt is sleeved with an insulating cap, and the outer wall of the insulating cap is provided with anti-slip grooves, and the number of the anti-slip grooves is multiple.

[0008] As a further description of the above technical solution:

[0009] A switching piece is provided in the middle of the two fixed parts, and the switching piece includes a normally closed end and an opening and closing end. The normally closed end and the opening and closing end are respectively sleeved on the rods of the left and right screw bolts. The normally closed end is sleeved on the outside of the screw bolt on the right side, and the opening and closing end is provided with a notch. An insulating handle is fixedly connected to the top of the switching piece.

[0010] As a further description of the above technical solution:

[0011] A mounting plate is provided at the bottom of the two fixing parts, a mounting hole is opened inside the mounting plate, and there are two mounting holes, and the two fixing parts are respectively located inside the two mounting holes.

[0012] As a further description of the above technical solution:

[0013] The lower ends of the outer walls of the two fixing parts are both provided with threads, and the outer walls of the two fixing parts are respectively threadedly connected with locking nuts, and the mounting plate is located between the locking nuts and the fixing parts.

[0014] As a further description of the above technical solution:

[0015] The inner walls of the two fixing parts are both provided with bearing steps, and the supporting part will be supported on the bearing steps. The inner walls of the two fixing parts are both provided with abutting steps, and the top surface of the abutting part abuts the bottom surface of the abutting step.

[0016] The utility model has the following beneficial effects:

[0017] 1. First, install the support member inside the fixing part, with the bottom of the support member extending out of the bottom of the fixing part, and install the first connecting part on the clamping part. At this time, the first conductive part is located inside the wiring cavity S. Then, insert the screw bolt into the first connecting part so that the bottom of the screw bolt contacts the inner wall of the fixing part. Then, turn the knob bolt to press the first connecting part against the top of the clamping part. Then, install the second conductive part inside the wiring cavity S so that the second positioning groove opened inside the second conductive part is stuck in the bottom of the wiring frame. Then, insert the operating screw into the second connecting part so that the top of the operating screw contacts the bottom of the wiring frame, and screw the operating screw into the bottom of the wiring frame by turning the operating screw. In the process of screwing the operating screw into the wiring frame, the second connecting part will be pushed upward, so that the second conductive part will move upward as a whole, thereby causing the second conductive part to move toward the first connecting part. The bottom of a conductive part is close to each other, and the wiring located therein is compressed to realize the crimping function. This wiring method enables the switching device to be applicable to conventional sheet-type terminals and other wiring, and on the basis of simplifying the wiring operation, effectively reduces the number of parts constituting the wiring unit, and reduces the manufacturing and use costs of the entire switching device. The existing device mainly adopts a screw connection method for wiring. This wiring method is not only complicated in wiring operation, but also requires more parts. Moreover, since the screw connection method is only applicable to wiring using O-type or Y-type terminals, it invisibly increases the manufacturing and use costs of the switching device. This device can be applicable to conventional sheet-type terminals and other wiring, and on the basis of simplifying the wiring operation, effectively reduces the number of parts constituting the wiring unit, and reduces the manufacturing and use costs of the entire switching device.

[0018] 2. A switching piece is provided to realize the opening and closing of the electrical circuit. The normally closed end of the switching piece is sleeved on the rod of the screw bolt of the corresponding wiring unit. A notch is provided at the opening and closing end of the switching piece, which can be inserted into the rod of the screw bolt of the corresponding wiring unit. The entire switching piece can be rotated by the insulating handle to control the opening and closing of the electrical circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic structural diagram of a switching device when a switching piece provided in some embodiments of the present application is in a closed state;

[0020] Figure 2 A schematic diagram of the structure of a switch provided in some embodiments of the present application when the switch is in a disconnected state;

[0021] Figure 3 for Figure 1 Exploded view of the structure of the switching device shown in FIG;

[0022] Figure 4 for Figure 3 Exploded view of the structure of a single wiring unit shown in FIG;

[0023] Figure 5 for Figure 1 A top view of the switching device shown in FIG;

[0024] Figure 6 for Figure 5 Cross-sectional view along the AA axis;

[0025] Figure 7 for Figure 6 Cross-sectional view along the BB direction;

[0026] Figure 8 A schematic structural diagram of a first conductive member provided in some embodiments of the present application;

[0027] Figure 9 A schematic structural diagram of a second conductive member provided in some embodiments of the present application;

[0028] Figure 10 A schematic structural diagram of a support member provided in some embodiments of the present application;

[0029] Figure 11 for Figure 6 Enlarged view of point C in the middle.

[0030] Legend:

[0031] S. Wiring cavity; 10. Fixing seat; 11. Fixing part; 12. Wiring port; 13. Load-bearing step; 14. Abutting step; 20. Wiring unit; 21. Tightening bolt; 22. First conductive member; 221. First connecting part; 222. First extending part; 223. First conductive part; 224. First positioning groove; 225. Clamping groove; 23. Second conductive member; 231. Second conductive part; 232. Second positioning groove; 233. Second connecting part; 234. Second extending part; 24. Support member; 241. Support part; 242. Limiting part; 243. Abutting part; 244. Clamping part; 25. Wiring frame; 26. Operating screw; 27. Insulating cap; 30. Switching piece; 40. Insulating handle; 50. Mounting plate; 51. Mounting hole; 60. Locking nut. DETAILED DESCRIPTION

[0032] Reference Figure 1-11 The utility model provides a press-fit switching device for installing a screen: it includes a fixing seat 10, the fixing seat 10 includes a fixing part 11, and the number of the fixing parts 11 is two, the lower ends of the two fixing parts 11 are each provided with a wiring port 12, and the interior of the two fixing parts 11 is provided with a wiring unit 20, and the wiring unit 20 includes a support member 24, the support member 24 includes a support part 241, the bottom of the support part 241 is fixedly connected to the limiting part 242, the interior of the limiting part 242 is provided with an abutting part 243, the top of the support part 241 is provided with a clamping part 244, the top inner wall of the support part 24 is threadedly connected with a screw bolt 21, and the outside of the support part 241 is provided with a first conductive member 22, the first conductive member 22 includes a first connecting part 221, the first connecting part 221 is sleeved on the outside of the screw bolt 21, the left outer wall of the first connecting part 221 is fixedly connected with the first extending part 222, and the first extending part The bottom end of the extension part 222 is fixedly connected to the first conductive part 223, and a first positioning groove 224 is provided inside the first conductive part 223. A card slot 225 is provided inside the first connecting part 221, and the card connecting part 244 is located inside the card slot 225. The bottom of the support member 24 is fixedly connected to the wiring frame 25, and a wiring cavity S is provided inside the wiring frame 25. The position of the wiring port 12 corresponds to the position of the wiring cavity S. The bottom of the wiring frame 25 is threadedly connected to an operating screw 26, and the outer wall of the operating screw 26 is sleeved with a second conductive part 23, and the second conductive part 23 includes a second connecting part 233. The top of the second connecting part 233 is fixedly connected to the second extension part 234, and the top of the second extension part 234 is fixedly connected to the second conductive part 231. A second positioning groove 232 is provided inside the second conductive part 231, and the first positioning groove 224 and the second positioning groove 232 are both located inside the wiring frame 25.

[0033] First, install the support member 24 inside the fixing portion 11, with the bottom of the support member 24 extending out of the bottom of the fixing portion 11, and install the first connecting portion 221 on the clamping portion 244. At this time, the first conductive portion 223 is located inside the wiring cavity S. Then, insert the screw bolt 21 into the first connecting portion 221 so that the bottom of the screw bolt 21 contacts the inner wall of the fixing portion 11. Then, rotate the screw bolt 21 to press the first connecting portion 221 against the top of the clamping portion 244. Then, install the second conductive member 23 inside the wiring cavity S so that the second conductive portion 231 is opened. The second positioning groove 232 is stuck in the bottom of the wiring frame 25, and then the operating screw 26 is inserted into the second connecting part 233, so that the top of the operating screw 26 contacts the bottom of the wiring frame 25, and the operating screw 26 is rotated to screw into the bottom of the wiring frame 25. In the process of screwing the operating screw 26 into the wiring frame 25, the second connecting part 233 is pushed upward, so that the second conductive member 23 is moved upward as a whole, so that the second conductive part 231 is close to the bottom of the first conductive part 223, and the wiring located therein is compressed to achieve the crimping function.

[0034] An insulating cap 27 is sleeved on the top of the screw bolt 21 , and an outer wall of the insulating cap 27 is provided with a plurality of anti-slip grooves to prevent hand slipping when rotating the screw bolt 21 .

[0035] A switching piece 30 is provided in the middle of the two fixed parts 11. The switching piece 30 includes a normally closed end and an opening and closing end. The normally closed end and the opening and closing end are respectively sleeved on the rods of the left and right screw bolts 21. The normally closed end is sleeved on the outside of the right screw bolt 21. The opening and closing end is provided with a notch. An insulating handle 40 is fixedly connected to the top of the switching piece 30.

[0036] The normally closed end of the switching piece 30 is sleeved on the rod of the screw bolt 21 of the corresponding wiring unit 20. The opening and closing end of the switching piece 30 is provided with a notch, which can be inserted into the rod of the screw bolt 21 of the corresponding wiring unit 20. The entire switching piece 30 can be rotated through the insulating handle 40 to control the opening and closing of the electrical circuit.

[0037] A mounting plate 50 is provided at the bottom of the two fixing portions 11 . A mounting hole 51 is defined inside the mounting plate 50 . There are two mounting holes 51 , and the two fixing portions 11 are located inside the two mounting holes 51 , respectively.

[0038] The lower ends of the outer walls of the two fixing parts 11 are threaded, and the outer walls of the two fixing parts 11 are respectively threadedly connected with locking nuts 60 . The mounting plate 50 is located between the locking nuts 60 and the fixing parts 11 .

[0039] The inner walls of the two fixing parts 11 are both provided with bearing steps 13 , on which the supporting part 241 is supported. The inner walls of the two fixing parts 11 are both provided with abutting steps 14 , and the top surface of the abutting part 243 abuts against the bottom surface of the abutting step 14 .

[0040] Working principle: First, install the support member 24 inside the fixing portion 11, with the bottom of the support member 24 extending out of the bottom of the fixing portion 11, install the first connecting portion 221 on the clamping portion 244, and at this time, the first conductive portion 223 is located inside the wiring cavity S, then insert the screw bolt 21 into the first connecting portion 221, so that the bottom of the screw bolt 21 contacts the inner wall of the fixing portion 11, then rotate the screw bolt 21 to press the first connecting portion 221 against the top of the clamping portion 244, then install the second conductive member 23 inside the wiring cavity S, so that the second positioning groove 232 opened in the second conductive portion 231 is clamped at the bottom of the wiring frame 25, then tighten the operating screw 2 6 Insert the second connecting portion 233 so that the top of the operating screw 26 contacts the bottom of the wiring frame 25, and by rotating the operating screw 26, screw it into the bottom of the wiring frame 25, and place the terminal block into the wiring cavity S through the wiring port 12. During the process of screwing the operating screw 26 into the wiring frame 25, it pushes the second connecting portion 233 upward, causing the second conductive member 23 to move upward as a whole, thereby causing the second conductive portion 231 to approach the bottom of the first conductive portion 223, thereby pressing the terminal block. The switching piece 30 is rotated by the insulating handle 40 to realize the opening and closing of the electrical circuit. During the rotation process, the switching piece 30 rotates around the right screw bolt 21 as the center.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A press-fit switching device for mounting a screen, comprising a fixing seat (10), characterized in that: The fixing seat (10) includes a fixing portion (11), and there are two fixing portions (11). The lower ends of the two fixing portions (11) are each provided with a wiring port (12). The interiors of the two fixing portions (11) are each provided with a wiring unit (20). The wiring unit (20) includes a support member (24). The support member (24) includes a support portion (241). The bottom of the support portion (241) is fixedly connected to a limiting portion (242). The interior of the limiting portion (242) is provided with an abutting portion (243). The top of the support part (241) is provided with a clamping part (244), the top inner wall of the support part (24) is threadedly connected to the screw bolt (21), the outside of the support part (241) is provided with a first conductive part (22), the first conductive part (22) includes a first connecting part (221), the first connecting part (221) is sleeved on the outside of the screw bolt (21), the left outer wall of the first connecting part (221) is fixedly connected to the first extension part (222), the bottom end of the first extension part (222) is fixedly connected to the first The conductive portion (223) is provided with a first positioning groove (224) inside the first conductive portion (223), a clamping groove (225) is provided inside the first connecting portion (221), the clamping portion (244) is located inside the clamping groove (225), the bottom of the support member (24) is fixedly connected to a wiring frame (25), a wiring cavity (S) is provided inside the wiring frame (25), the position of the wiring port (12) corresponds to the position of the wiring cavity (S), and the bottom of the wiring frame (25) is threadedly connected to an operating screw ( 26), the outer wall of the operating screw (26) is provided with a second conductive member (23), the second conductive member (23) includes a second connecting portion (233), the top of the second connecting portion (233) is fixedly connected to a second extension portion (234), the top of the second extension portion (234) is fixedly connected to a second conductive portion (231), a second positioning groove (232) is provided inside the second conductive portion (231), and the first positioning groove (224) and the second positioning groove (232) are both located inside the wiring frame (25).

2. A press-fit switching device for mounting a screen according to claim 1, characterized in that: The top of the screw bolt (21) is sleeved with an insulating cap (27), and the outer wall of the insulating cap (27) is provided with anti-slip grooves, and the number of anti-slip grooves is multiple.

3. A press-fit switching device for mounting a screen according to claim 1, characterized in that: A switching piece (30) is provided between the two fixing portions (11), and the switching piece (30) includes a normally closed end and an open / close end. The normally closed end and the open / close end are respectively sleeved on the rods of the left and right screw bolts (21). The normally closed end is sleeved on the outside of the right screw bolt (21). The open / close end is provided with a notch. An insulating handle (40) is fixedly connected to the top of the switching piece (30).

4. A press-fit switching device for mounting a screen according to claim 1, characterized in that: A mounting plate (50) is provided at the bottom of the two fixing parts (11), a mounting hole (51) is provided inside the mounting plate (50), and there are two mounting holes (51). The two fixing parts (11) are respectively located inside the two mounting holes (51).

5. A press-fit switching device for mounting a screen according to claim 4, characterized in that: The lower ends of the outer walls of the two fixing parts (11) are both provided with threads, and the outer walls of the two fixing parts (11) are respectively threadedly connected with locking nuts (60), and the mounting plate (50) is located between the locking nuts (60) and the fixing parts (11).

6. A press-fit switching device for mounting a screen according to claim 1, characterized in that: The inner walls of the two fixing parts (11) are both provided with a bearing step (13), and the supporting part (241) is supported on the bearing step (13). The inner walls of the two fixing parts (11) are both provided with an abutting step (14), and the top surface of the abutting part (243) abuts against the bottom surface of the abutting step (14).

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