Convenient-to-use impactor for protecting fuse

Abstract

The utility model discloses a convenient-to-use impactor for protecting a fuse, which comprises an impact mounting seat and a fuse main body, the top end of the impact mounting seat is provided with an adaptive groove, and two ends of the adaptive groove are respectively and fixedly provided with two power-in clamping arms and two power-out clamping arms; a sliding groove is formed in the groove wall of the bottom end of the adaptive groove, and an adaptive through groove is formed in the middle of the groove wall of the bottom end of the sliding groove. And an impact sliding plate is slidably mounted in the sliding groove, an impact vertical plate is arranged at the top of one end of the impact sliding plate, and an impact head is fixedly connected to the top of the front face of the impact vertical plate. According to the impactor for protecting the fuse, the impact separation action of the fuse main body is completed through the cooperation of the external impact sliding plate and the impact vertical plate, the structure is simple, the use is convenient, the reset is convenient, the replacement of the fuse main body is facilitated, no extra pressure is applied to the fuse main body, and the normal work of the fuse main body is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of strikers for fuses, in particular to a striker for protecting fuses which is easy to use. Background Art

[0002] In the prior art, fuses are the simplest protective electrical appliances, which are used to protect electrical equipment from damage caused by overload and short-circuit current. Different types of high-voltage fuses, such as outdoor drop-out type and indoor type, are selected according to installation conditions and uses. For some special equipment, special series of high-voltage fuses should be selected. The fuses we often talk about are fuses.

[0003] After searching, the Chinese patent application No. 201821133286.0 discloses a striker for a high-voltage current-limiting fuse, which at least includes an outer sleeve with an open top and a striker sleeved in the outer sleeve by the open end of the outer sleeve, the top of the striker is closed and the bottom end has a through hole, the bottom end of the outer sleeve also has a through hole concentric with the bottom end of the striker, a pad is placed at the top of the inner cavity of the striker, and an elastic component is compressed between the upper surface of the bottom end of the striker and the lower surface of the pad, the lower surface of the pad is fixedly connected to one end of the first fuse, and the other end of the first fuse passes through the striker and the bottom through hole of the outer sleeve in turn and extends to the outside of the outer sleeve; the elastic component is a spring, the length of the spring is 70mm, the outer ring diameter is 5.5mm, and the inner ring diameter is 4.7mm, The pop-up force is 20N~30N; a second fixed tube is vertically fixed to the center of the lower surface of the cushion body, the lower surface of the cushion body is fixedly connected to one end of the first fuse through the second fixed tube, the other end of the first fuse extends to the part outside the outer sleeve and is fixedly connected to one end of the first fixed tube, and the other end of the first fixed tube is fixedly connected to the second fuse.

[0004] The above patent has the following shortcomings: the device integrates the striker and the fuse, which improves the performance of the overall device. However, in actual use, the titanium steel wire needs to bear a large tensile force. After the current is passed through, the possibility of the titanium steel wire melting increases, which is not conducive to the long-term use of the overall device. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides a striker for protecting a fuse which is easy to use.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A convenient striker for protecting a fuse comprises: a striker mounting seat and a fuse body, wherein the top of the striker mounting seat is provided with an adapting slot, and two power-input clamping arms and two power-output clamping arms are respectively fixedly mounted at both ends of the adapting slot; a sliding slot is provided at the bottom end slot wall of the adapting slot, and an adapting through slot is provided at the middle of the bottom end slot wall of the sliding slot;

[0008] An impact slide is slidably installed inside the sliding groove, an impact vertical plate is arranged on the top of one end of the impact slide, and an impact head is fixedly connected to the top of the front side of the impact vertical plate; a limiting mounting plate is arranged on the upper surface of the impact slide, and one side of the upper surface of the limiting mounting plate is fixedly connected to the limiting vertical plate, and connecting springs are arranged on both sides between the limiting vertical plate and the impact vertical plate.

[0009] As a further solution of the utility model: one end of the connecting spring is connected to a connecting hook 1, and the other end is connected to a connecting hook 2, and the connecting hook 2 is fixedly connected to the impact vertical plate.

[0010] As a further solution of the utility model: a connecting pin is fixedly connected to the front side of the connecting hook 1, the connecting pin passes through the limiting vertical plate and extends outward, and a limiting disk is fixedly installed on the extending end thereof.

[0011] As a further solution of the utility model: a connecting and mounting plate is fixedly installed on the back groove wall of the adapting through groove, and a connecting and positioning plate is fixedly connected to the top of the front side of the connecting and mounting plate.

[0012] As a further solution of the utility model: a plurality of connecting arms are fixedly connected to the upper surface of the connecting positioning plate at equal intervals, and a plurality of arm slots adapted to the connecting arms are opened at equal intervals on the lower surface of the impact slide plate.

[0013] As a further solution of the utility model: two rotating connecting arms are fixedly connected to the top of the back side of the connecting positioning plate, and a rotating connecting block is rotatably connected between the two rotating connecting arms.

[0014] As a further solution of the utility model: one end of the rotating connection block is rotatably connected to a rotating connection seat, and an electric telescopic rod is fixedly installed on the back of the rotating connection seat.

[0015] Compared with the prior art, the utility model provides a convenient-to-use striker for protecting a fuse, which has the following beneficial effects:

[0016] The striker for protecting the fuse completes the striking and disengaging action of the fuse body through the cooperation of the external striking slide plate and the striking vertical plate. The structure is simple, the use is convenient, the resetting is convenient, and the replacement of the fuse body is facilitated. There is no additional pressure on the fuse body, and the normal operation of the fuse body is ensured.

[0017] The striker for protecting the fuse drives the connecting clamp arm to be separated from the connecting clamp slot through the electric telescopic rod and can be quickly reset, has rapid action, simple structure and convenient operation.

[0018] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the overall assembly of the utility model;

[0020] Figure 2 A schematic diagram of a partially cutaway three-dimensional structure of the utility model as a whole assembly Figure 1 ;

[0021] Figure 3 A schematic diagram of a partially cutaway three-dimensional structure of the utility model as a whole assembly Figure 2 .

[0022] In the figure: 1. impact mounting seat; 2. mounting frame plate; 3. electrical connector; 4. adapter slot; 5. power input clamping arm; 6. power output clamping arm; 7. fuse body; 8. impact slide plate; 9. limit mounting plate; 10. connecting bottom plate; 11. impact vertical plate; 12. impact head; 13. reinforcement ribs; 14. limit vertical plate; 15. connecting pin rod; 16. limit plate; 17. connecting hook one; 18. connecting spring; 19. connecting hook two; 20. adapter slot; 21. connecting mounting plate; 22. connecting positioning plate; 23. connecting clamp arm; 24. clamp arm slot; 25. rotating connecting arm; 26. rotating connecting block; 27. rotating connecting seat; 28. electric telescopic rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] A convenient striker for protecting fuses, such as Figures 1 to 3 As shown, it includes: an impact mounting seat 1 and a fuse body 7, both ends of the bottom of the impact mounting seat 1 are fixedly installed with mounting frame plates 2, which facilitates the impact mounting seat 1 to be fixedly installed inside the circuit, and an electrical connector 3 is fixedly installed on the top of the back side of the impact mounting seat 1.

[0025] The electrical connector 3 includes two circuit connection electrodes, a fuse monitoring module and a control module. The circuit connection electrodes connect the fuse body 7 to the circuit; the fuse monitoring module is used to monitor whether the fuse inside the fuse body 7 is overloaded and blown; the control module controls the operation of the impactor according to the monitoring data of the fuse monitoring module.

[0026] An adapter slot 4 is provided at the top of the impact mounting seat 1, and two power input clamping arms 5 and two power output clamping arms 6 are fixedly installed at both ends of the adapter slot 4. The two power input clamping arms 5 and the two power output clamping arms 6 are fixedly installed inside the side walls of the adapter slot 4, and one of the power input clamping arms 5 and one of the power output clamping arms 6 are electrically connected to the two circuit connection electrodes.

[0027] The two power-input clamping arms 5 and the two power-output clamping arms 6 clamp the fuse body 7 , the power-input end of the fuse body 7 is clamped between the two power-input clamping arms 5 , and the power-output end of the fuse body 7 is clamped between the two power-output clamping arms 6 .

[0028] A sliding groove is provided on the bottom groove wall of the adapting groove 4, and an adapting through groove 20 is provided in the middle of the bottom groove wall of the sliding groove, and the adapting through groove 20 passes through the impact mounting seat 1; an impact slide plate 8 is slidably installed inside the sliding groove, and a connecting push block is integrally formed on the front of the impact slide plate 8.

[0029] A connecting base plate 10 is fixedly installed on the top of one end of the impact slide plate 8 close to the electrical connector 3, and an impact vertical plate 11 is integrally formed on one side of the upper surface of the connecting base plate 10 close to the power output clamping arm 6. An impact head 12 is fixedly connected to the top of the front side of the impact vertical plate 11, and a reinforcing rib 13 is welded to the bottom of the back side of the impact vertical plate 11.

[0030] A limit mounting plate 9 is provided on the upper surface of the impact slide plate 8. The limit mounting plate 9 is fixed to the bottom wall of the adapter slot 4 by bolts and is located between the input power clamping arm 5 and the output power clamping arm 6.

[0031] A limiting vertical plate 14 is integrally formed on one side of the upper surface of the limiting mounting plate 9 close to the power input clamping arm 5 , and connecting springs 18 are provided on both sides between the limiting vertical plate 14 and the impact vertical plate 11 .

[0032] One end of the connecting spring 18 is connected to a connecting hook 17, and the other end is connected to a connecting hook 2 19. The connecting hook 2 19 is fixedly connected to the impact vertical plate 11 by bolts; the front of the connecting hook 17 is integrally formed with a connecting pin 15, which passes through the limiting vertical plate 14 and extends outward, and its extended end is fixedly installed with a limiting plate 16 by bolts.

[0033] A connecting mounting plate 21 is fixedly installed on the back groove wall of the adapter groove 20 by bolts, a connecting positioning plate 22 is integrally formed on the top of the front side of the connecting mounting plate 21, and an electric telescopic rod 28 is arranged above the connecting mounting plate 21, and the cylinder of the electric telescopic rod 28 is fixedly installed inside the back groove wall of the adapter groove 20.

[0034] A plurality of connecting arms 23 are welded at equal intervals on the upper surface of the connecting positioning plate 22, and a plurality of arm slots 24 adapted to the connecting arms 23 are opened at equal intervals on the lower surface of the impact slide plate 8. Figure 2 As shown, the vertical cross-section of the top end of the connecting arm 23 is set to be a triangle.

[0035] Two rotating connecting arms 25 are integrally formed at the top of the back side of the connecting positioning plate 22, and a rotating connecting block 26 is rotatably connected between the two rotating connecting arms 25 via a rotating shaft. One end of the rotating connecting block 26 is rotatably connected to a rotating connecting seat 27, and the back side of the rotating connecting seat 27 is fixedly connected to the telescopic end of the electric telescopic rod 28.

[0036] Working principle: Please refer to Figures 1 to 3 , the device is as Figure 1 Assemble as shown;

[0037] During use of the device, the whole device is first installed through the mounting frame 2, connected to the circuit through the electrical connector 3, and then the fuse body 7 is fixedly installed between the two power input clamping arms 5 and the two power output clamping arms 6;

[0038] When the fuse of the fuse body 7 is blown, the fuse monitoring module of the electrical connector 3 detects that the fuse is blown, and the control module starts the electric telescopic rod 28, and the electric telescopic rod 28 is extended, and the connection positioning plate 22 is squeezed by rotating the connection seat 27 and the rotating connection block 26, and the connection positioning plate 22 drives the connection mounting plate 21 to bend, so that the connection clamping arm 23 is separated from the clamping arm clamping groove 24, and the limit of the impact slide plate 8 is released;

[0039] Under the action of the two connecting springs 18, the impact vertical plate 11 drives the impact head 12 and the impact slide plate 8 to move toward the direction of the limit mounting plate 9, and the impact head 12 hits the tail end of the fuse body 7, so that the power output end of the fuse body 7 is separated from the two power output clamping arms 6, completing the reaction action and protecting the circuit;

[0040] After the electric telescopic rod 28 completes the action, it automatically retracts and returns to its initial position (such as Figure 3 As shown), the impact slide plate 8 is pushed by the connecting push plate to make the connecting arm 23 engage with the arm slot 24, and the fuse body 7 can be replaced.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A convenient striker for protecting a fuse, characterized in that: include: An impact mounting seat (1) and a fuse body (7), wherein the top of the impact mounting seat (1) is provided with an adapting groove (4), and two power input clamping arms (5) and two power output clamping arms (6) are respectively fixedly mounted at both ends of the adapting groove (4); a sliding groove is provided on the bottom groove wall of the adapting groove (4), and an adapting through groove (20) is provided in the middle of the bottom groove wall of the sliding groove; An impact slide plate (8) is slidably mounted inside the sliding groove, an impact vertical plate (11) is arranged at the top of one end of the impact slide plate (8), and an impact head (12) is fixedly connected to the top of the front face of the impact vertical plate (11); a limit mounting plate (9) is arranged on the upper surface of the impact slide plate (8), a side of the upper surface of the limit mounting plate (9) is fixedly connected to the limit vertical plate (14), and connecting springs (18) are arranged on both sides between the limit vertical plate (14) and the impact vertical plate (11).

2. A convenient-to-use striker for protecting a fuse according to claim 1, characterized in that: One end of the connecting spring (18) is connected to a connecting hook 1 (17), and the other end is connected to a connecting hook 2 (19), and the connecting hook 2 (19) is fixedly connected to the impact vertical plate (11).

3. A convenient-to-use striker for protecting a fuse according to claim 2, characterized in that: A connecting pin (15) is fixedly connected to the front side of the connecting hook 1 (17); the connecting pin (15) passes through the limiting vertical plate (14) and extends outwards; a limiting plate (16) is fixedly mounted on the extended end thereof.

4. A convenient-to-use striker for protecting a fuse according to claim 1, characterized in that: A connecting and mounting plate (21) is fixedly mounted on the back groove wall of the adapting through groove (20), and a connecting and positioning plate (22) is fixedly connected to the top of the front side of the connecting and mounting plate (21).

5. A convenient-to-use striker for protecting a fuse according to claim 4, characterized in that: The upper surface of the connection positioning plate (22) is fixedly connected with a plurality of connection clamping arms (23) at equal intervals, and the lower surface of the impact slide plate (8) is provided with a plurality of clamping arm clamping grooves (24) adapted to the connection clamping arms (23) at equal intervals.

6. A convenient-to-use striker for protecting a fuse according to claim 4, characterized in that: Two rotating connection arms (25) are fixedly connected to the top of the back side of the connecting positioning plate (22), and a rotating connection block (26) is rotatably connected between the two rotating connection arms (25).

7. A convenient-to-use striker for protecting a fuse according to claim 6, characterized in that: One end of the rotating connection block (26) is rotatably connected to a rotating connection seat (27), and an electric telescopic rod (28) is fixedly mounted on the back of the rotating connection seat (27).

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