Transformer framework structure with positioning columns

Abstract

The utility model discloses a transformer framework structure with positioning columns, which relates to the technical field of transformers and comprises a transformer framework body, two symmetrically distributed mounting racks are fixedly mounted at the bottom end of the transformer framework body, and two symmetrically distributed fixing sleeves are fixedly mounted at the bottom ends of the two mounting racks. The outer surfaces of the multiple fixed sleeves are slidably sleeved with sliding sleeves, screw rods are rotationally installed in the middles of the multiple sliding sleeves, the upper portions of the multiple screw rods are installed in the middles of the fixed sleeves in a threaded mode, and second rotating shafts are fixedly installed at the top ends of the multiple screw rods; the limiting blocks can be clamped in the small holes in the circuit board in a sliding mode to position the circuit board, meanwhile, the limiting blocks are expanded, so that the limiting blocks are firmly clamped in the small holes, the installation frame is fixed, namely a transformer framework is fixed, the stability of welding pins on the circuit board of a transformer is guaranteed, and the production efficiency of the transformer is improved. And the assembling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field, concretely is a kind of transformer framework structure with positioning column. BACKGROUND

[0002] Transformer framework, also known as transformer wire frame, is the main structure component of transformer, and transformer is widely used in today's society, and the corresponding main body is also essential, so the framework has irreplaceable role at present, and the transformer framework on the market is generally classified according to the magnetic core model used by transformer, and each model can be distinguished according to the size of magnetic core, and the framework is divided into two kinds of vertical and horizontal according to shape, and divided into two kinds of high-frequency framework and low-frequency framework according to the working frequency of transformer:

[0003] When welding the transformer to the circuit board, the pin and the circuit board need to be welded and connected, but it is not convenient to position and fix it during welding, and it needs to be welded after the transformer and the circuit board are pinched tightly, so that the welding process is more tedious and troublesome, and errors are prone to occur, resulting in product quality problems. UTILITY MODEL CONTENT

[0004] In order to solve the problem that the transformer framework cannot be positioned and fixed when the pin of the transformer is welded to the circuit board, the utility model aims to provide a transformer framework structure with positioning column.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a transformer framework structure with positioning column, comprising a transformer framework body, two symmetrically distributed mounting racks are fixedly installed at the bottom end of the transformer framework body, two symmetrically distributed fixing sleeves are fixedly installed at the bottom end of the two mounting racks, a plurality of sliding sleeves are slidably sleeved on the outer surfaces of the fixing sleeves, a plurality of screw rods are rotatably installed in the middle parts of the sliding sleeves, the upper parts of the plurality of screw rods are threadedly installed in the middle parts of the fixing sleeves, second shafts are fixedly installed at the top ends of the plurality of screw rods, second crown gears are slidably sleeved on the upper parts of the second shafts, a plurality of groups of link rods are movably installed on the outer surfaces of the sliding sleeves in annular array distribution, and limit blocks are movably installed at the other ends of the plurality of groups of link rods.

[0006] Preferably, first shafts are rotatably installed in the middle parts of the two mounting racks, worm wheels are fixedly installed in the middle parts of the two first shafts, worm gears are rotatably installed on the upper parts of the two mounting racks, the two worm gears are engaged with the worm wheels, first crown gears are fixedly installed at the two ends of the two first shafts, and the four first crown gears are engaged with the second crown gears.

[0007] Compared with the prior art, the utility model has the advantages that:

[0008] 1、The application can position the limiting block by sliding and clamping it in the small hole on the circuit board, and expand the limiting block, so that the limiting block is firmly clamped in the small hole, thereby fixing the mounting frame and the transformer skeleton, and ensuring the stability of the transformer when the pins are welded on the circuit board, and speeding up the assembly efficiency.

[0009] 2、The application can accelerate the installation and fixation of the limiting block through the transmission of the first crown gear and the second crown gear under the driving of the worm and the worm wheel, and ensure the stability of the device through the self-locking structure of the worm wheel and the worm. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0011] Figure 1 It is a structural schematic diagram of the present application.

[0012] Figure 2 It is a sectional structural schematic diagram of the mounting frame of the present application.

[0013] Figure 3 It is an enlarged view of A in the present application. Figure 2

[0014] Figure 4 It is an enlarged view of B in the present application. Figure 2

[0015] Figure 5 It is a partial sectional structural schematic diagram of the present application.

[0016] In the figure: 1, transformer skeleton body; 2, mounting frame; 21, heat dissipation fin; 22, first rotating shaft; 23, worm wheel; 24, worm; 25, handle; 26, first crown gear; 27, second crown gear; 28, cavity; 29, pin; 3, limiting block; 31, connecting rod; 32, sliding block; 33, sliding slot; 34, sliding sleeve; 35, screw; 36, second rotating shaft; 37, driving block; 38, fixed sleeve. DETAILED DESCRIPTION

[0017] ​​The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example: Figures 1-5 As shown, this utility model provides a transformer frame structure with positioning columns, including a transformer frame body 1. Two symmetrically distributed mounting brackets 2 are fixedly installed at the bottom end of the transformer frame body 1. Two symmetrically distributed fixing sleeves 38 are fixedly installed at the bottom end of each of the two mounting brackets 2. Sliding sleeves 34 are slidably fitted on the outer surface of each of the fixing sleeves 38. Screws 35 are rotatably installed in the middle of each of the sliding sleeves 34. The upper part of each of the screws 35 is threaded onto the middle of the fixing sleeves 38. A second rotating shaft 36 is fixedly installed at the top end of each of the screws 35. A second crown gear 27 is slidably fitted on the upper part of each of the second rotating shafts 36. Multiple sets of connecting rods 31 arranged in a ring array are movably installed on the outer surface of each of the sliding sleeves 34. Limiting blocks 3 are movably installed at the other end of each set of connecting rods 31.

[0019] A first rotating shaft 22 is rotatably mounted in the middle of each of the two mounting brackets 2. A worm gear 23 is fixedly mounted in the middle of each of the two first rotating shafts 22. A worm 24 is rotatably mounted on the upper part of each of the two mounting brackets 2. Both worms 24 mesh with the worm gear 23. A first crown gear 26 is fixedly mounted at both ends of each of the two first rotating shafts 22. All four first crown gears 26 mesh with the second crown gear 27.

[0020] Multiple limit blocks 3 are fixedly mounted with sliders 32 at their top ends. The bottom ends of the two mounting brackets 2 are provided with two sets of symmetrically distributed sliding grooves 33. Multiple sliders 32 are slidably locked inside the sliding grooves 33. By setting sliders 32 and sliding grooves 33, under the limitation of sliders 32 by sliding grooves 33, when sliding sleeve 34 moves upward, the limit blocks 3 can be driven to expand outward through the transmission of connecting rod 31.

[0021] Two symmetrically distributed drive blocks 37 are fixedly installed on the outer surface of each of the multiple second rotating shafts 36. The multiple drive blocks 37 are slidably locked in the middle of the second crown gear 27. By setting the drive blocks 37, the second rotating shafts 36 can be driven to rotate when the second crown gear 27 rotates, without affecting the up and down movement of the second rotating shafts 36.

[0022] The lower part of each mounting frame 2 is provided with two symmetrical cavities 28, the bottom middle part of each second crown gear 27 is rotatably installed on the inner lower surface of the cavity 28, through the cavity 28, when the second crown gear 27 rotates, the screw rod 35 moves up and down and the second rotating shaft 36 moves up to be located in the cavity 28, so as not to affect the up and down movement of the second rotating shaft 36.

[0023] The end of each worm 24 penetrating the mounting frame 2 is fixedly installed with a handle 25, through the handle 25, rotating the handle 25 can drive the worm 24 to rotate, that is, drive the meshing connected worm gear 23 to rotate.

[0024] The bottom end of each mounting frame 2 is fixedly installed with a plurality of equally spaced needle pins 29, through the needle pin 29, the needle pin 29 is welded with the specified position of the circuit board, so as to complete the connection between the transformer and the limiting plate.

[0025] The opposite side of each mounting frame 2 is fixedly installed with a plurality of equally spaced heat dissipation fins 21, through the heat dissipation fin 21, the heat dissipation area of the heat generated by the transformer during actual operation can be increased, so as to speed up the heat dissipation speed.

[0026] Working principle: in actual use, the limiting block 3 is slidably inserted into the hole when the circuit board is pre-positioned, the handle 25 is rotated to drive the worm 24 to rotate, that is, the meshing connected worm gear 23 is rotated, and then the first rotating shaft 22 is rotated, that is, the first crown gear 26 is rotated, so that the second crown gear 27 meshing connected therewith is rotated, that is, under the limiting of the driving block 37, the second rotating shaft 36 is driven to rotate, that is, the lower screw rod 35 is rotated, since the screw rod 35 is threadedly installed on the lower part of the fixed sleeve 38, the screw rod 35 is moved upward while rotating, so as to drive the sliding sleeve 34 to move upward, that is, under the cooperation of the connecting rod 31, the plurality of limiting blocks 3 are expanded outward under the limiting of the sliding block 32 through the sliding groove 33. The outer wall of the limiting block 3 is in contact with the inner wall of the hole, so as to be limited and fixed, that is, the fixing and positioning of the mounting frame 2 are completed.

[0027] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A transformer tank structure with positioning posts, comprising a transformer tank body (1), characterized in that: The bottom end of the transformer skeleton body (1) is fixedly installed with two symmetrically distributed mounting racks (2), the bottom end of each of the two mounting racks (2) is fixedly installed with two symmetrically distributed fixing sleeves (38), the outer surfaces of the plurality of fixing sleeves (38) are slidably sleeved with sliding sleeves (34), the middle portions of the plurality of sliding sleeves (34) are rotatably installed with screw rods (35), the upper portions of the plurality of screw rods (35) are threadedly installed in the middle portions of the fixing sleeves (38), the top ends of the plurality of screw rods (35) are fixedly installed with second rotating shafts (36), the upper portions of the plurality of second rotating shafts (36) are slidably sleeved with second crown gears (27), the outer surfaces of the plurality of sliding sleeves (34) are movably installed with a plurality of groups of annularly arrayed connecting rods (31), the other ends of the plurality of groups of connecting rods (31) are movably installed with limiting blocks (3).

2. A transformer bobbin structure having positioning posts as defined in claim 1, characterized in that, The middle portions of the two mounting racks (2) are rotatably installed with first rotating shafts (22), the middle portions of the two first rotating shafts (22) are fixedly installed with worm gears (23), the upper portions of the two mounting racks (2) are rotatably installed with worm gears (24), the two worm gears (24) are in meshing connection with the worm gears (23), the two ends of the two first rotating shafts (22) are fixedly installed with first crown gears (26), the four first crown gears (26) are in meshing connection with the second crown gears (27).

3. The transformer bobbin structure having positioning posts according to claim 1, wherein, The top ends of the plurality of limiting blocks (3) are fixedly installed with sliding blocks (32), the bottom ends of the two mounting racks (2) are provided with two groups of symmetrically distributed sliding grooves (33), the plurality of sliding blocks (32) are slidably clamped in the sliding grooves (33).

4. The transformer bobbin structure having positioning posts according to claim 1, wherein, The outer surfaces of the plurality of second rotating shafts (36) are fixedly installed with two symmetrically distributed driving blocks (37), the plurality of driving blocks (37) are slidably clamped in the middle portions of the second crown gears (27).

5. The transformer bobbin structure having positioning posts according to claim 1, wherein, The lower portions of the two mounting racks (2) are provided with two symmetrically distributed cavities (28), the bottom middle portions of the plurality of second crown gears (27) are rotatably installed on the inner lower surfaces of the cavities (28).

6. A transformer core structure having positioning posts as defined in claim 2, wherein, The one ends of the two worm gears (24) penetrating through the mounting racks (2) are fixedly installed with handles (25).

7. The transformer bobbin structure having positioning posts according to claim 1, wherein, The bottom ends of the two mounting racks (2) are fixedly installed with a plurality of equally spaced needle pins (29).

8. The transformer bobbin structure having positioning posts according to claim 1, wherein, The opposite sides of the two mounting racks (2) are fixedly installed with a plurality of equally spaced heat dissipation fins (21).

Images