Transformer with insulating side lead-out structure

Abstract

The utility model provides a transformer with an insulating side lead-out structure, and relates to the technical field of transformers. The transformer with the insulation side face leading-out structure comprises a transformer body and a leading-out mechanism installed on the top of the transformer body, the leading-out mechanism comprises an insulation cover covering the top of the transformer body, and the top of the insulation cover is fixedly connected with a box body. The lead-out mechanism is installed at the top of the transformer body through the arranged insulating cover, a lead-out wire of the transformer body penetrates into a wire penetrating hole and then extends out through a wire outlet pipe, a connecting ring is controlled to move away from a first fixing plate, and a plurality of clamping pieces are extruded to approach the center of the wire penetrating hole under the action of a sliding rod and an extrusion rod; the outer surface of the leading-out wire is clamped and fixed through the multiple clamping pieces so that the leading-out wire can be prevented from loosening and moving, the leading-out wires of different sizes can be clamped and fixed by controlling the distance value between the multiple clamping pieces and the center of the wire penetrating hole, and adaptability is high.

Description

Technical Field

[0001] The utility model relates to a transformer, in particular to a transformer with an insulating side lead-out structure, belonging to the technical field of transformers. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are the primary coil, the secondary coil and the iron core (magnetic core). Its main functions include: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. The transformer inputs external power energy into the transformer through leads, and also transmits the transmitted power from the transformer to the outside through leads.

[0003] Chinese patent public number CN215007811U discloses a transformer lead wire structure, which relates to the technical field of transformers, including a transformer main body, a plurality of lead wire holes are opened on the top of the transformer main body, moving mechanisms are arranged at both ends of the top of the transformer main body, the tops of the two moving mechanisms are fixedly connected with the same first fixing plate, the top of the transformer main body is fixedly connected with a second fixing plate, and fixing openings are opened at equal distances on opposite sides of the first fixing plate and the second fixing plate.

[0004] However, the inventor of the above device believes that there are certain defects. The lead-out mechanism of the above device is not convenient for clamping and fixing lead wires of different sizes, which causes shaking when fixing lead wires of smaller sizes and has poor adaptability. For this reason, the utility model provides a transformer with an insulated side lead-out structure. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a transformer with an insulated side lead-out structure in order to solve the above problems, so as to solve the problem that it is inconvenient to clamp and fix lead-out wires of different sizes and the adaptability is poor in the prior art.

[0007] (II) Technical solution

[0008] The utility model is realized through the following technical scheme: a transformer with an insulated side lead-out structure, comprising a transformer body and a lead-out mechanism installed on the top of the transformer body, the lead-out mechanism comprising an insulating cover covering the top of the transformer body, the top of the insulating cover is fixedly connected to a box body, one side of the box body is fixedly connected to an outlet pipe, the interior of the box body is fixedly connected to a first fixed plate, a threading hole is provided on the first fixed plate, a plurality of sliding blocks are slidably connected around the threading hole, a connecting rod is fixedly connected to one side of each of the sliding blocks, a clamping sheet is fixedly connected to one end of each of the connecting rods, a rubber pad is fixedly connected to one side of each of the clamping sheets, a driving mechanism for driving the plurality of clamping sheets to slide toward the center of the threading hole is provided on the first fixed plate, the driving mechanism comprises a plurality of sliding rods sliding on the first fixed plate, one end of each of the sliding rods is hinged to an extrusion rod through a pin shaft, the other end of the extrusion rod is hinged to one end of the sliding block through a pin shaft, and the bottoms of the plurality of sliding rods are fixedly connected through a connecting ring.

[0009] Preferably, one end of the outlet pipe is fixedly connected to a protection bag, and a tightening belt is fixedly connected to the protection bag. The tightening belt is provided to bundle the protection bag, thereby tightening one end of the protection bag.

[0010] Preferably, a top cover is fixedly connected to the top of the box body, and an electric heating plate is embedded in the interior of the top cover, so that protection is formed directly above the outlet pipe by the provided top cover.

[0011] Preferably, a door is hingedly connected to one side of the box body through a hinge, and an observation window and a handle are fixedly connected to the door, so that the interior of the box body can be easily opened through the door.

[0012] Preferably, a second fixing plate is fixedly connected inside the box, a threaded sleeve is rotatably connected to the second fixing plate, the connecting ring is threadedly connected to one end of the threaded sleeve, and the connecting ring is driven to move by rotating the threaded sleeve.

[0013] Preferably, a sliding groove is provided on the first fixing plate, and one end of the sliding block is slidably connected to the inside of the sliding groove. The sliding groove enables the sliding block to stably slide on the first fixing plate.

[0014] Preferably, a spring is installed inside the sliding groove, and the spring is arranged between the sliding block and the inner wall of the sliding groove. The sliding block can slide and reset quickly when no force is applied to it by means of the arranged spring.

[0015] The utility model provides a transformer with an insulated side lead-out structure, which has the following beneficial effects:

[0016] 1. The device installs the lead-out mechanism on the top of the transformer body through an insulating cover. The lead-out wire of the transformer body is inserted into the inside of the threading hole and then extended through the outlet tube. The connecting ring is controlled to move away from the first fixed plate. Under the action of the sliding rod and the extrusion rod, multiple clamping pieces are squeezed to approach the center of the threading hole. The outer surface of the lead-out wire is clamped and fixed by multiple clamping pieces to prevent it from loosening and moving. By controlling the distance value between the multiple clamping pieces and the center of the threading hole, lead-out wires of different sizes can be clamped and fixed, and the adaptability is strong.

[0017] 2. The device drives the connecting ring to move inside the threaded sleeve by rotating the threaded sleeve, thereby pulling multiple sliding rods to slide together on the first fixed plate, and a top cover is provided to block the top of the outlet pipe to prevent rain and snow from flowing into the box through the outlet pipe, and tighten the protective bag with a tightening belt to seal one end of the outlet pipe, further reducing the entry of external impurities into the box through the outlet pipe, thereby ensuring the safe use of the transformer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall stereogram of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of the lead-out mechanism of the utility model;

[0020] Figure 3 This is a cutaway perspective view of the box body of the utility model;

[0021] Figure 4 This is a three-dimensional diagram of the threading hole structure of the utility model;

[0022] Figure 5 It is a sectional stereoscopic view of the threaded sleeve of the utility model.

[0023]

Main component symbol description

[0024] 1. Transformer body; 2. Insulation cover; 3. Box body; 31. Box door; 32. Top cover; 33. Electric heating plate; 4. Outlet pipe; 41. Protective bag; 42. Tightening belt; 5. First fixed plate; 51. Threading hole; 6. Sliding block; 61. Connecting rod; 62. Clamping piece; 7. Sliding rod; 71. Extrusion rod; 72. Connecting ring; 8. Second fixed plate; 81. Threaded sleeve. DETAILED DESCRIPTION

[0025] The embodiment of the utility model provides a transformer with an insulating side lead-out structure.

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A transformer with an insulated side lead-out structure comprises a transformer body 1 and a lead-out mechanism installed on the top of the transformer body 1, the lead-out mechanism comprises an insulating cover 2 covering the top of the transformer body 1, the lead-out mechanism is installed by covering the top of the transformer body 1 with the insulating cover 2, the top of the insulating cover 2 is fixedly connected to a box body 3, one side of the box body 3 is fixedly connected to an outlet pipe 4, one end of the outlet pipe 4 is fixedly connected to a protective bag 41, a tightening belt 42 is fixedly connected to the protective bag 41, a first fixing plate 5 is fixedly connected to the inside of the box body 3, a threading hole 51 is opened on the first fixing plate 5, the lead-out wires on the transformer body 1 are orderly extended outward by setting the threading hole 51 and the outlet pipe 4, and one end of the protective bag 41 is tightened by the tightening belt 42, so as to prevent external impurities from entering the inside of the box body 3 through the outlet pipe 4, and Velcro is installed on the tightening belt 42 to facilitate the bundling of the protective bag 41.

[0027] Please refer again Figure 1 , Figure 2 and Figure 3 A top cover 32 is fixedly connected to the top of the box body 3, and an electric heating plate 33 is embedded in the top cover 32. The top cover 32 is set to form a rain and snow shielding effect directly above the outlet pipe 4, and the top of the top cover 32 can be heated by starting the electric heating plate 33 to prevent snow accumulation. A box door 31 is hinged on one side of the box body 3 through a hinge, and an observation window and a handle are fixedly connected to the box door 31. The setting of the box door 31 makes it easy to open the interior of the box body 3, and the interior of the box body 3 is easy to observe under the action of the observation window.

[0028] Please refer again Figure 3 , Figure 4 and Figure 5 , a plurality of sliding blocks 6 are slidably connected around the threading hole 51, and a connecting rod 61 is fixedly connected to one side of each sliding block 6, and a clamping piece 62 is fixedly connected to one end of each connecting rod 61, and a rubber pad is fixedly connected to one side of each clamping piece 62. By controlling the plurality of clamping pieces 62 to slide close to the center of the threading hole 51, the outer surface of the lead-out wire is clamped and fixed by the clamping piece 62 to prevent it from loosening and moving. A sliding groove is provided on the first fixed plate 5, and one end of the sliding block 6 is slidably connected to the inside of the sliding groove. A spring is installed inside the sliding groove, and the spring is arranged between the sliding block 6 and the inner wall of the sliding groove. When the sliding block 6 is not subjected to force, the rebound of the spring drives the plurality of sliding blocks 6 to slide outward to quickly release the clamping effect of the lead-out wire.

[0029] Please refer again Figure 3 , Figure 4 and Figure 5A driving mechanism is provided on the first fixed plate 5 to drive multiple clamping pieces 62 to slide toward the center of the threading hole 51. The driving mechanism includes multiple sliding rods 7 that slide on the first fixed plate 5. One end of each sliding rod 7 is hinged with an extrusion rod 71 through a pin shaft. The other end of the extrusion rod 71 is hinged to one end of the sliding block 6 through a pin shaft. The bottoms of the multiple sliding rods 7 are fixedly connected by a connecting ring 72. By controlling the connecting ring 72 to move away from the first fixed plate 5, the extrusion sliding block 6 is pushed to slide toward the center of the first fixed plate 5 under the action of the extrusion rod 71, and the lead-out wire is clamped and fixed by the clamping piece 62.

[0030] Please refer again Figure 3 , Figure 4 and Figure 5 A second fixing plate 8 is fixedly connected to the inside of the box body 3, and a threaded sleeve 81 is rotatably connected to the second fixing plate 8. The connecting ring 72 is threadedly connected to one end of the threaded sleeve 81. The threaded sleeve 81 is rotated to drive the connecting ring 72 to move inward or outward toward one end of the threaded sleeve 81, and the interior of the threaded sleeve 81 is hollow to facilitate the insertion of the lead wire.

[0031] Working principle: The lead-out mechanism is installed on the top of the transformer body 1 through the insulating cover 2, and the lead-out wire on the transformer body 1 passes through the threaded sleeve 81, the threading hole 51 and the outlet tube 4 to the outside of the box body 3. The threaded sleeve 81 on the second fixed plate 8 is rotated to drive the connecting ring 72 to move toward the inside of the threaded sleeve 81, so that the sliding rod 7 slides on the first fixed plate 5, and the multiple sliding blocks 6 are pushed to slide close to the center of the threading hole 51 under the extrusion of the extrusion rod 71. The outer surface of the lead-out wire is clamped and fixed by multiple clamping pieces 62 to prevent it from loosening and moving. Then, one end of the protective bag 41 is wrapped and tightened by the tightening belt 42, so that one end of the protective bag 41 is closed to prevent external impurities from entering the inside of the box body 3 through the outlet tube 4, and the lead-out wires of different sizes can be clamped and fixed by adjusting the distance value between the multiple clamping pieces 62 and the center of the threading hole 51.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A transformer with an insulated side lead-out structure, comprising a transformer body (1) and a lead-out mechanism installed on the top of the transformer body (1), characterized in that: The lead-out mechanism comprises an insulating cover (2) covering the top of the transformer body (1); the top of the insulating cover (2) is fixedly connected to a box (3); one side of the box (3) is fixedly connected to an outlet pipe (4); the interior of the box (3) is fixedly connected to a first fixed plate (5); a threading hole (51) is provided on the first fixed plate (5); a plurality of sliding blocks (6) are slidably connected around the threading hole (51); one side of each sliding block (6) is fixedly connected to a connecting rod (61); one end of each connecting rod (61) is fixedly connected to a connecting rod (61); There are clamping plates (62), one side of each clamping plate (62) is fixedly connected to a rubber pad, the first fixed plate (5) is provided with a driving mechanism for driving the plurality of clamping plates (62) to slide toward the center of the threading hole (51), the driving mechanism comprises a plurality of sliding rods (7) sliding on the first fixed plate (5), one end of each sliding rod (7) is hinged to an extrusion rod (71) through a pin, the other end of the extrusion rod (71) is hinged to one end of the sliding block (6) through a pin, and the bottoms of the plurality of sliding rods (7) are fixedly connected through a connecting ring (72).

2. A transformer with an insulated side lead structure according to claim 1, characterized in that: One end of the outlet pipe (4) is fixedly connected to a protection bag (41), and a tightening belt (42) is fixedly connected to the protection bag (41).

3. A transformer with an insulated side lead structure according to claim 1, characterized in that: A top cover (32) is fixedly connected to the top of the box body (3), and an electric heating plate (33) is embedded inside the top cover (32).

4. The transformer with an insulated side lead structure according to claim 1, characterized in that: A box door (31) is hingedly connected to one side of the box body (3) via a hinge, and an observation window and a handle are fixedly connected to the box door (31).

5. The transformer with an insulated side lead structure according to claim 1, characterized in that: A second fixing plate (8) is fixedly connected inside the box body (3), a threaded sleeve (81) is rotatably connected to the second fixing plate (8), and the connecting ring (72) is threadedly connected to one end of the threaded sleeve (81).

6. The transformer with an insulated side lead structure according to claim 1, characterized in that: The first fixing plate (5) is provided with a sliding groove, and one end of the sliding block (6) is slidably connected inside the sliding groove.

7. The transformer with an insulated side lead structure according to claim 6, characterized in that: A spring is installed inside the sliding groove, and the spring is arranged between the sliding block (6) and the inner wall of the sliding groove.

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