Rapid oil supplementing connector for transformer

Abstract

The utility model relates to a quick oil recharging connector for a transformer, which comprises an oil recharging pipe which is arranged on a compressor transformer and is communicated with an oil conservator, a flange is arranged at the top end of the oil recharging pipe, a sleeve is arranged above the flange, and a sliding pipe is connected in an inner cavity at the bottom end of the sleeve in a sliding mode. During use, the sealing ring at the bottom end of the sliding pipe is inserted into the oil supplementing pipe, the sleeve is pressed downwards to be matched with the top end of the oil filling pipe to push the sliding pipe to slide into the sleeve, and the spring is extruded to contract until the locking pin installed at the bottom end of the rotating arm moves downwards to the position below the flange; then a user rotates the sleeve to drive the rotating arm to rotate, the locking pin rotates to be aligned with the connecting hole of the flange, at the moment, the sleeve is loosened, the spring can push the sleeve to move upwards under the action of the restoring force of the spring, the locking pin is inserted into the connecting hole of the flange, connection of the sleeve and the flange can be achieved, and the oil supplementing efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to transformer oil supplementing technical field, concretely relates to a transformer fast oil supplementing joint. BACKGROUND

[0002] In the power system, in order to make the transformer work safely and stably, according to the regulation requirement of power operation maintenance, the reasonable oil quantity and quality of transformer oil in oil conservator must be guaranteed, with the oil body reduction in oil conservator, oil supplementing to oil conservator is needed.

[0003] The existing mode selects a connecting flange same with the flange model of the transformer needing oil supplementing when supplementing oil, then the two flanges are fixed and installed together through bolt, finally the oil supplementing hose is fixed on the outside of the inlet pipe on the connecting flange, so that the oil supplementing work can be carried out, and the connection is time-consuming and laborious, seriously affects the oil supplementing efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of transformer fast oil supplementing joints with simple structure and reasonable design to solve the above problems.

[0005] The utility model discloses the above-mentioned purposes are realized by the following technical solutions:

[0006] A kind of transformer fast oil supplementing joint, including compressor transformer and the oil conservator intercommunication oil supplementing pipe, the oil supplementing pipe top end is equipped with flange, the flange top is equipped with sleeve, the sleeve bottom end inner chamber is slidably connected with sliding pipe, the sliding pipe is fixedly connected with spring in one end of the sleeve inside, the sleeve top is fixedly installed with the injection pipe fixed structure for fixed external injection pipe, the sleeve is fixedly equipped with connecting ring in one end close to the sliding pipe, the connecting ring is annularly distributed with multiple connecting seats, the connecting seat is rotatably connected with connecting shaft, the connecting shaft is fixedly installed with rotary arm, the rotary arm bottom end is bent to form the bending portion to the oil supplementing pipe center direction, and the locking pin that the flange is set on the upper surface of bending portion and is set with the connecting hole is fixedly connected.

[0007] As a further optimization scheme of the utility model, the sliding pipe is fixedly connected with sealing ring in one end of the sleeve outside, and the outer diameter of the sealing ring is equal to the inner diameter of the oil supplementing pipe.

[0008] As a further optimization scheme of the utility model, the sleeve top end is bent to form support portion inward, and the end of the spring away from the sliding pipe is fixedly connected with the support portion.

[0009] As a further optimization scheme of the utility model, when the spring is in compression state, the top end height of the locking pin is lower than the lower surface height of the flange.

[0010] As a further optimization scheme of the utility model, the oil injection pipe fixing structure further includes an inner thread ring sleeved outside the conical clamp, and the inner thread ring is threadedly connected with the conical clamp through the outer thread.

[0011] As a further optimization scheme of the utility model, the oil injection pipe fixing structure further includes an inner thread ring sleeved outside the conical clamp, and the inner thread ring is threadedly connected with the conical clamp through the outer thread.

[0012] The utility model discloses the beneficial effect lies in: when using, the sealing ring of the slide pipe bottom end is inserted into the oil injection pipe, and the sleeve pipe is pressed down to cooperate with the oil injection pipe top end and pushes the slide pipe to slide into the sleeve pipe, and extrudes the spring contraction, until the locking pin of the rotary arm bottom end is installed and moves down to the flange below, then the user rotates the sleeve pipe and drives the rotary arm to rotate, makes the locking pin rotate to with the connecting hole of flange alignment, at this moment, the sleeve pipe is loosened, and the spring can push the sleeve pipe and move up under the self restoring force, and the locking pin is inserted into the connecting hole of flange, that is, the connection of sleeve pipe and flange can be realized, and the oil supplementing efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure diagram of the utility model;

[0014] Figure 2 It is the connection structure schematic view of sleeve pipe, slide pipe and sealing ring of the utility model;

[0015] Figure 3 It is the overall cross section structure schematic view of the utility model;

[0016] Figure 4 It is the utility model Figure 3 A place local detail enlargement of the utility model.

[0017] In the drawing: 1, oil injection pipe;2, flange;3, sleeve pipe;4, slide pipe;5, sealing ring;6, spring;7, support part;8, conical clamp;9, outer thread;10, contraction groove;11, inner thread ring;12, connecting ring;13, connecting seat;14, connecting shaft;15, rotary arm;16, locking pin. DETAILED DESCRIPTION

[0018] It is necessary to point out here that the following specific embodiments are only used to further illustrate the application, and cannot be understood as limiting the protection scope of the application, and the skilled in the art can make some non-essential improvements and adjustments to the application according to the above application content.

[0019] EMBODIMENT

[0020] As Figure 1 - Figure 4As shown, a transformer rapid oil supplement joint, including a compressor transformer on the oil pillow communication oil supplement pipe 1, the top of the oil supplement pipe 1 is provided with flange 2, flange 2 is provided with sleeve 3, the bottom of the inner cavity of sleeve 3 is slidably connected with slide pipe 4, one end of slide pipe 4 located outside sleeve 3 is fixedly connected with sealing ring 5, the outer diameter of sealing ring 5 is equal to the inner diameter of oil supplement pipe 1, when installing, the bottom of sealing ring 5 can be inserted into the oil supplement pipe 1, sealing the connection between the bottom of slide pipe 4 and the oil supplement pipe 1, and avoiding the leakage of oil from the connection between the bottom of slide pipe 4 and the oil supplement pipe 1 when supplementing the transformer with oil;

[0021] One end of slide pipe 4 located inside sleeve 3 is fixedly connected with spring 6, the top of sleeve 3 is inwardly bent to form support part 7, one end of spring 6 away from slide pipe 4 is fixedly connected with support part 7, when slide pipe 4 slides into sleeve 3, spring 6 can be squeezed and contracted in cooperation with support part 7, when slide pipe 4 is released, spring 6 in the contracted state can reversely push slide pipe 4 to move reversely, so that the bottom of slide pipe 4 is tightly attached to the top of oil supplement pipe 1;

[0022] The top of sleeve 3 is fixedly provided with an oil injection pipe fixing structure for fixing an external oil injection pipe, the oil injection pipe fixing structure includes a conical clamp 8 fixedly connected to the top of support part 7, a plurality of contraction grooves 10 are equidistantly formed on the side wall of conical clamp 8, an external thread 9 is also formed on the outer side wall of conical clamp 8, the oil injection pipe fixing structure further includes an internal thread ring 11 sleeved on the outside of conical clamp 8, the internal thread ring 11 is threadedly connected with conical clamp 8 through external thread 9, when it is necessary to fix the external oil injection pipe, first screw the internal thread ring 11 upwards, so that conical clamp 8 is opened along contraction grooves 10 under the action of its own elastic force, then the external oil injection pipe is inserted into the inside of conical clamp 8, then the internal thread ring 11 is reversely screwed, so as to squeeze conical clamp 8 to reversely close along contraction grooves 10, that is, the external oil injection pipe can be clamped and fixed on conical clamp 8;

[0023] One end of sleeve 3 close to slide pipe 4 is fixedly sleeved with a connecting ring 12, a plurality of connecting seats 13 are annularly distributed on the circumference of connecting ring 12, a connecting shaft 14 is rotatably connected in connecting seat 13, a rotating arm 15 is fixedly installed on connecting shaft 14, the bottom of rotating arm 15 is bent to form a bent part towards the center of oil supplement pipe 1, a locking pin 16 fixedly connected to the upper surface of bent part is oppositely arranged with a connecting hole formed on flange 2, and when spring 6 is in the compressed state, the top end height of locking pin 16 is lower than the lower surface height of flange 2, so as to facilitate the insertion of locking pin 16 fixedly connected to the upper surface of bent part into the connecting hole of flange 2.

[0024] It should be noted that the transformer rapid oil filling joint, in use, first the sealing ring 5 installed at the bottom end of the sleeve pipe 4 is inserted into the oil filling pipe 1, then the sleeve pipe 4 is pressed downward, the sleeve pipe 4 is slid into the sleeve pipe 3 under the cooperation of the top end of the oil filling pipe 1, and the spring 6 is extruded and contracted, until the locking pin 16 installed at the bottom end of the rotating arm 15 is moved downward below the flange 2, then the user rotates the sleeve pipe 3 to drive the rotating arm 15 to rotate, so that the locking pin 16 is rotated to be aligned with the connecting hole of the flange 2, at this time the sleeve pipe 3 is loosened, the spring 6 can push the sleeve pipe 3 to move upward under the action of the restoring force of itself, so that the locking pin 16 is inserted into the connecting hole of the flange 2, the connection between the sleeve pipe 3 and the flange 2 is realized, then the user screws the internal thread ring 11 upward, so that the conical clamp 8 is opened along the contraction groove 10 under the action of the elastic force of itself, after the external oil filling pipe is inserted into the inside of the conical clamp 8, the internal thread ring 11 is screwed reversely, the conical clamp 8 is extruded and closed reversely along the contraction groove 10, the external oil filling pipe is clamped and fixed in the conical clamp 8, and the oil filling work can be carried out, which is convenient for the user to use.

[0025] The above-described embodiments only express several embodiments of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model.

Claims

1. A quick oil filling joint for transformer, comprising an oil filling pipe (1) on the compressor transformer communicated with the oil pillow, a flange (2) is installed at the top end of the oil filling pipe (1), characterized in that: The flange (2) is provided with a sleeve (3) above, the inner cavity of the bottom end of the sleeve (3) is slidably connected with a sliding pipe (4), one end of the sliding pipe (4) inside the sleeve (3) is fixedly connected with a spring (6), the top of the sleeve (3) is fixedly installed with an oil injection pipe fixing structure for fixing an external oil injection pipe, one end of the sleeve (3) close to the sliding pipe (4) is fixedly sleeved with a connecting ring (12), a plurality of connecting seats (13) are annularly distributed on the side of the connecting ring (12), a connecting shaft (14) is rotatably connected in the connecting seat (13), a rotating arm (15) is fixedly installed on the connecting shaft (14), the bottom end of the rotating arm (15) is bent to form a bending portion in the center direction of the oil supplement pipe (1), and the upper surface of the bending portion is fixedly connected with a locking pin (16) which is arranged in the connecting hole of the flange (2).

2. A quick oil filling connector for a transformer according to claim 1, characterized in that: One end of the sliding pipe (4) outside the sleeve (3) is fixedly connected with a sealing ring (5), and the outer diameter of the sealing ring (5) is equal to the inner diameter of the oil supplement pipe (1).

3. A quick oil filling connector for a transformer as claimed in claim 1, wherein: The top end of the sleeve (3) is inwardly bent to form a support portion (7), and one end of the spring (6) away from the sliding pipe (4) is fixedly connected with the support portion (7).

4. A quick oil filling connector for a transformer according to claim 3, characterized in that: When the spring (6) is in a compressed state, the top end of the locking pin (16) is lower than the lower surface of the flange (2).

5. A quick oil filling connector for a transformer as claimed in claim 3, wherein: The oil injection pipe fixing structure comprises a tapered clamp (8) fixedly connected to the top of the support portion (7), a plurality of contraction grooves (10) are equidistantly formed on the side wall of the tapered clamp (8), and an external thread (9) is further formed on the outer side wall of the tapered clamp (8).

6. A quick oil filling connector for a transformer according to claim 5, characterized in that: The oil injection pipe fixing structure further comprises an internal thread ring (11) sleeved outside the tapered clamp (8), and the internal thread ring (11) is threadedly connected with the tapered clamp (8) through the external thread (9).

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