Guide rail type flame-retardant mutual inductor shell

Abstract

The guide rail type flame-retardant mutual inductor shell comprises a mutual inductor shell body, an installation frame is fixedly installed on the outer surface of the lower end of the mutual inductor shell body, and a wire limiting assembly is fixedly installed on the lower portion of the outer surface of the front end of the installation frame. The wire limiting assembly comprises a fixed block, a first connecting block, a limiting groove, a sliding groove, a sliding rod, a mounting plate, a second connecting block, a material pressing block, a movable plate, a mounting cavity, a connecting base, a connecting rod, a screw rod, a rotary knob, a threaded hole and an arc-shaped groove. The first connecting block is fixedly mounted between the lower portion of the outer surface of the left side of the fixed block and the middle of the lower end of the outer surface of the front end of the mounting frame. According to the guide rail type flame-retardant mutual inductor shell, due to the arranged wire limiting assembly, the arranged material pressing block and the arranged limiting groove, a wire can be conveniently limited, the stability of the wire after penetrating through the mutual inductor shell is improved, the material pressing block can be driven to ascend and descend by rotating a rotary knob, wires of different thicknesses can be conveniently clamped and limited, and the practicability is high. The applicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mutual inductors, in particular to a guide rail type flame retardant mutual inductor housing. Background Art

[0002] The instrument transformer is also called instrument transformer, which is a general term for current transformer and voltage transformer. It can convert high voltage into low voltage and large current into small current, and is used for measurement or protection system. The rail current transformer is installed in rail style.

[0003] The transformer housing in the prior art is made of flame-retardant materials and has flame retardancy. However, after the wire passes through the transformer housing, there is a lack of a structure to limit the wire, resulting in the wire being unstable. Therefore, we propose a guide rail type flame-retardant transformer housing. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a rail-type flame-retardant transformer housing, which is convenient for limiting the position of the wire and improving the stability of the wire after passing through the transformer housing, and can effectively solve the problems in the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a guide rail type flame-retardant transformer housing, including a transformer housing, a mounting frame is fixedly installed on the lower end outer surface of the transformer housing, and a wire limiting assembly is fixedly installed on the lower part of the front end outer surface of the mounting frame, and the wire limiting assembly includes a fixed block, a first connecting block, a limiting groove, a slide groove, a slide rod, a mounting plate, a second connecting block, a pressing block, a movable plate, a mounting cavity, a connecting seat, a connecting rod, a screw, a knob, a threaded hole and an arc groove, and the first connecting block is fixedly installed between the lower part of the left outer surface of the fixed block and the middle part of the lower end of the front end outer surface of the mounting frame.

[0008] Preferably, the number of the slide grooves and the slide rods are two groups, the limit grooves are opened in the middle of the outer surface of the upper end of the fixed block, the two groups of the slide grooves are opened on the left and right sides of the outer surface of the upper end of the fixed block, the installation cavity is opened inside the lower end of the fixed block, and the lower part of the slide groove is connected to the upper end of the installation cavity.

[0009] Preferably, the sliding rod passes through the sliding groove, the movable plate and the connecting rod are both located in the installation cavity, the knob is fixedly installed on the lower outer surface of the screw, the upper outer surface of the screw is fixedly connected to the lower outer surface of the connecting rod, the threaded hole is opened in the middle of the lower outer surface of the fixed block, and the screw passes through the threaded hole.

[0010] Preferably, the connecting seat is fixedly installed on the middle part of the outer surface of the lower end of the movable plate, the upper outer surface of the connecting rod is connected to the middle part of the outer surface of the lower end of the movable plate, the two groups of sliding rods are fixedly installed between the left and right sides of the upper outer surface of the movable plate and the left and right sides of the lower outer surface of the mounting plate, the second connecting block is fixedly installed on the middle part of the outer surface of the lower end of the mounting plate, the pressing block is fixedly installed on the lower outer surface of the second connecting block, and the arc groove is opened in the middle part of the outer surface of the lower end of the pressing block.

[0011] Preferably, the outer wall of the slide rod and the slide groove are in sliding connection, and the outer wall of the screw rod and the threaded hole are in threaded connection.

[0012] Preferably, a sealed bearing is provided between the connecting rod and the connecting seat, and the outer surface of the upper end of the connecting rod is rotatably connected to the connecting seat via the sealed bearing.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a rail-type flame-retardant transformer housing, which has the following beneficial effects:

[0015] 1. The guide rail type flame retardant transformer housing is provided with a wire limiting assembly, which is convenient for limiting the wire through the provided pressing block and limiting groove, thereby improving the stability of the wire after passing through the transformer housing.

[0016] 2. The rail-type flame-retardant transformer housing can drive the pressing block to rise and fall by turning the knob, which is convenient for clamping and limiting wires of different thicknesses, thereby improving applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of a rail-type flame-retardant transformer housing.

[0018] Figure 2 The utility model is a schematic structural diagram of a wire limiting assembly in a guide rail type flame retardant mutual inductor housing.

[0019] Figure 3 The utility model is a side cross-sectional view of a wire limiting assembly in a housing of a guide rail type flame retardant mutual inductor.

[0020] Figure 4 The utility model is a schematic diagram of the structure of a pressing block in a housing of a guide rail type flame retardant mutual inductor.

[0021] In the figure: 1. Transformer housing; 2. Mounting frame; 3. Wire limit assembly; 4. Fixing block; 5. First connecting block; 6. Limiting groove; 7. Slide groove; 8. Slide rod; 9. Mounting plate; 10. Second connecting block; 11. Pressing block; 12. Movable plate; 13. Mounting cavity; 14. Connecting seat; 15. Connecting rod; 16. Screw; 17. Knob; 18. Threaded hole; 19. Arc groove. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] This embodiment is a rail-type flame-retardant transformer housing.

[0024] like Figure 1-4 As shown, it includes a transformer housing 1, a mounting frame 2 is fixedly installed on the lower outer surface of the transformer housing 1, a wire limiting assembly 3 is fixedly installed on the lower part of the front end outer surface of the mounting frame 2, and the wire limiting assembly 3 includes a fixed block 4, a first connecting block 5, a limiting groove 6, a slide groove 7, a slide rod 8, a mounting plate 9, a second connecting block 10, a pressing block 11, a movable plate 12, a mounting cavity 13, a connecting seat 14, a connecting rod 15, a screw 16, a knob 17, a threaded hole 18 and an arc groove 19. The first connecting block 5 is fixedly installed between the lower part of the left outer surface of the fixed block 4 and the middle part of the lower end of the front end outer surface of the mounting frame 2.

[0025] There are two groups of slide grooves 7 and slide rods 8. The limit groove 6 is opened in the middle of the outer surface of the upper end of the fixed block 4. Two groups of slide grooves 7 are opened on the left and right sides of the outer surface of the upper end of the fixed block 4. The installation cavity 13 is opened inside the lower end of the fixed block 4. The lower part of the slide groove 7 is connected with the upper end of the installation cavity 13; the slide rod 8 passes through the slide groove 7, the movable plate 12 and the connecting rod 15 are both located in the installation cavity 13, the knob 17 is fixedly installed on the lower end outer surface of the screw rod 16, the upper end outer surface of the screw rod 16 is fixedly connected to the lower end outer surface of the connecting rod 15, the threaded hole 18 is opened in the middle of the outer surface of the lower end of the fixed block 4, and the screw rod 16 passes through the threaded hole 18; the connecting seat 14 is fixedly installed in the middle of the lower end outer surface of the movable plate 12, and the connecting rod 15 is fixedly connected to the lower end outer surface of the screw rod 16. The upper outer surface of the connecting rod 15 is connected to the middle of the lower outer surface of the movable plate 12, and the two sets of sliding rods 8 are fixedly installed between the left and right sides of the upper outer surface of the movable plate 12 and the left and right sides of the lower outer surface of the mounting plate 9. The second connecting block 10 is fixedly installed in the middle of the lower outer surface of the mounting plate 9, and the pressing block 11 is fixedly installed on the lower outer surface of the second connecting block 10. The arc groove 19 is opened in the middle of the lower outer surface of the pressing block 11; the outer wall of the sliding rod 8 is slidably connected to the sliding groove 7, and the outer wall of the screw rod 16 is threadedly connected to the threaded hole 18; a sealed bearing is arranged between the connecting rod 15 and the connecting seat 14, and the upper outer surface of the connecting rod 15 is rotatably connected to the connecting seat 14 through the sealed bearing.

[0026] It should be noted that the utility model is a guide rail type flame retardant transformer housing. The transformer housing 1 and the mounting frame 2 recorded in the text belong to the prior art and are made of flame retardant materials. They can be effectively known to technicians in the relevant technical field and the details will not be repeated here. The wire limiting assembly 3 is set to pass the wire through the limiting groove 6, and the screw 16 is driven to rotate by turning the knob 17. The screw 16 drives the threaded hole 18 to move downward. The screw 16 drives the movable plate 12 to descend through the connecting rod 15. The movable plate 12 drives the slide bar 8 to descend along the slide groove 7. The slide bar 8 drives the mounting plate 9 to descend. The mounting plate 9 drives the pressing block 11 to descend through the second connecting block 10. The pressing block 11 limits the wire between the arc groove 19 and the limiting groove 6 to improve the stability of the wire.

[0027] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and 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 will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A guide rail type flame retardant transformer housing, comprising a transformer housing (1), a mounting frame (2) being fixedly mounted on the outer surface of the lower end of the transformer housing (1), characterized in that: A wire limiting assembly (3) is fixedly installed at the lower part of the front end outer surface of the mounting frame (2), and the wire limiting assembly (3) comprises a fixed block (4), a first connecting block (5), a limiting groove (6), a sliding groove (7), a sliding rod (8), a mounting plate (9), a second connecting block (10), a pressing block (11), a movable plate (12), a mounting cavity (13), a connecting seat (14), a connecting rod (15), a screw rod (16), a knob (17), a threaded hole (18) and an arc groove (19), wherein the first connecting block (5) is fixedly installed between the lower part of the left outer surface of the fixed block (4) and the middle part of the lower end of the front end outer surface of the mounting frame (2).

2. A rail-type flame-retardant transformer housing according to claim 1, characterized in that: The number of the slide grooves (7) and the slide rods (8) is two groups, the limiting grooves (6) are opened in the middle of the outer surface of the upper end of the fixed block (4), the two groups of the slide grooves (7) are opened on the left and right sides of the outer surface of the upper end of the fixed block (4), the installation cavity (13) is opened inside the lower end of the fixed block (4), and the lower part of the slide groove (7) is connected to the upper end of the installation cavity (13).

3. A rail-type flame-retardant transformer housing according to claim 2, characterized in that: The slide rod (8) passes through the slide groove (7), the movable plate (12) and the connecting rod (15) are both located in the installation cavity (13), the knob (17) is fixedly installed on the lower end outer surface of the screw rod (16), the upper end outer surface of the screw rod (16) is fixedly connected to the lower end outer surface of the connecting rod (15), the threaded hole (18) is opened in the middle of the lower end outer surface of the fixed block (4), and the screw rod (16) passes through the threaded hole (18).

4. A guide rail type flame retardant transformer housing according to claim 3, characterized in that: The connecting seat (14) is fixedly mounted on the middle part of the outer surface of the lower end of the movable plate (12); the outer surface of the upper end of the connecting rod (15) is connected to the middle part of the outer surface of the lower end of the movable plate (12); the two groups of sliding rods (8) are fixedly mounted between the left and right sides of the outer surface of the upper end of the movable plate (12) and the left and right sides of the outer surface of the lower end of the mounting plate (9); the second connecting block (10) is fixedly mounted on the middle part of the outer surface of the lower end of the mounting plate (9); the pressing block (11) is fixedly mounted on the outer surface of the lower end of the second connecting block (10); and the arc groove (19) is opened in the middle part of the outer surface of the lower end of the pressing block (11).

5. The guide rail type flame retardant transformer housing according to claim 4, characterized in that: The outer wall of the slide rod (8) is slidably connected to the slide groove (7), and the outer wall of the screw rod (16) is threadedly connected to the threaded hole (18).

6. A guide rail type flame retardant transformer housing according to claim 5, characterized in that: A sealed bearing is provided between the connecting rod (15) and the connecting seat (14), and the outer surface of the upper end of the connecting rod (15) is rotatably connected to the connecting seat (14) via the sealed bearing.

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