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CN-224217323-U - Oil gun

CN224217323UCN 224217323 UCN224217323 UCN 224217323UCN-224217323-U

Abstract

The utility model discloses an oil injection gun which comprises a first oil conveying pipe, a valve, a reducing joint and an oil injection pipe, wherein the first oil conveying pipe is provided with a large-diameter end and a small-diameter end, the large-diameter end is arranged at the valve, the oil injection pipe comprises a first pipe section, a bending section and a second pipe section which are sequentially connected, the first pipe section is connected with the small-diameter end of the reducing joint, the second pipe section is used for being inserted into an oil tank oil injection port, and the second pipe section can extend to the bottom of the oil tank. The kink can change the output direction that is used for the second pipeline section of oiling, and the personnel of being convenient for are at the lateral part operation oiling of oil tank, need not to remove whole grease gun to transformer tank top oiling, and the operation of being convenient for to the second pipeline section can stretch into the oil tank bottom, makes the oil outlet can get into from the oil tank lower part, has avoided jar interior air and oil to produce violent shearing, has reduced the roll-in of air, thereby can reduce the bubble and produce.

Inventors

  • Ding Qingzheng
  • PENG CHAOLIN
  • XU JIANPING
  • XU GENQUAN

Assignees

  • 中山凯旋真空科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250421

Claims (10)

  1. 1. An oil gun, comprising: a first oil delivery pipe (110); the valve (200) is arranged on the first oil conveying pipe (110); a reducer union (300) having a large diameter end and a small diameter end, the large diameter end being provided to the valve (200); The oil filler pipe (400) comprises a first pipe section (410), a bending section (420) and a second pipe section (430) which are sequentially connected, wherein the first pipe section (410) is connected with the small diameter end of the reducer union (300), the second pipe section (430) is used for being inserted into an oil filler port (810) of the oil tank (800), and the second pipe section (430) can extend to the bottom of the oil tank (800).
  2. 2. The grease gun of claim 1, wherein the bent section (420) enables the second tube section (430) to hang from the filler neck (810) when the second tube section (430) is inserted into the filler neck (810) of the fuel tank (800).
  3. 3. The grease gun as recited in claim 1, wherein the bending section (420) and the second tube section (430) define a hanging portion for hanging from a hanger of the can (500).
  4. 4. The grease gun of claim 1, wherein the first tube section (410) is set at an angle of 40 ° -90 ° to the second tube section (430).
  5. 5. The grease gun according to claim 1, wherein a flow meter (600) is arranged between the valve (200) and the first oil delivery pipe (110), the flow meter (600) being connected to the valve (200) and the first oil delivery pipe (110) by means of a quick coupling.
  6. 6. The grease gun of claim 1, further comprising a vacuum sight member (700), the vacuum sight member (700) being connected to the first oil delivery pipe (110) by a quick connector.
  7. 7. Grease gun according to claim 1, characterized in that the first delivery tube (110) is provided as a hose.
  8. 8. The grease gun of claim 7, further comprising a second oil delivery pipe (120) and a vacuum sight assembly (700), the second oil delivery pipe (120) being a rigid pipe, the vacuum sight assembly (700) being disposed between the first oil delivery pipe (110) and the second oil delivery pipe (120), the second oil delivery pipe (120) being configured to connect with a tank.
  9. 9. The grease gun of claim 8, wherein the vacuum sight member (700) is connected to the second oil delivery pipe (120) by a quick-connect flange (710), and wherein the vacuum sight member (700) is connected to the first oil delivery pipe (110) by a pagoda joint (720).
  10. 10. Grease gun according to claim 1, characterized in that the valve (200) is provided as a manual ball valve.

Description

Oil gun Technical Field The utility model relates to the technical field related to transformer production equipment, in particular to an oil gun. Background The transformer is used as key equipment in a power system, and the insulation performance of the transformer is directly related to safe and stable operation of a power grid. Oiling is a critical step in the manufacture and maintenance of transformers, the quality of which directly affects the insulation properties and the operating life of the transformers. In the prior art, a common oil gun is generally directly filled at an oil filling port of a transformer oil tank, and a large amount of foam is often generated in the oil filling process, so that the oil filling efficiency is reduced, the insulation performance is possibly reduced, and even equipment faults are caused. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides an oil gun which can solve the problem of bubble generation during oil injection. According to the first aspect of the utility model, the oil gun comprises a first oil conveying pipe, a valve, a reducing joint and an oil filling pipe, wherein the valve is arranged on the first oil conveying pipe, the reducing joint is provided with a large-diameter end and a small-diameter end, the large-diameter end is arranged on the valve, the oil filling pipe comprises a first pipe section, a bending section and a second pipe section which are sequentially connected, the first pipe section is connected with the small-diameter end of the reducing joint, the second pipe section is used for being inserted into an oil filling port of an oil tank, and the second pipe section can extend to the bottom of the oil tank. The oil gun provided by the embodiment of the utility model has the advantages that the bending part can change the output direction of the second pipe section for oil injection, so that people can conveniently operate the oil injection at the side part of the oil tank without moving the whole oil gun to the top of the transformer oil tank for oil injection, the operation is convenient, the second pipe section can extend into the bottom of the oil tank, oil outlet can enter from the lower part of the oil tank, severe shearing of air and oil in the tank is avoided, and the entrainment of air is reduced, so that the generation of bubbles can be reduced. According to some embodiments of the utility model, the bending section enables the second pipe section to be hung on the oil filler port when the second pipe section is inserted into the oil filler port. According to some embodiments of the utility model, the bending section and the second tube section can define a hanging portion for hanging from a mounting bracket of the tank. According to some embodiments of the utility model, the first tube section is set at an angle of 40 ° -90 ° to the second tube section. According to some embodiments of the utility model, a flowmeter is arranged between the valve and the first oil delivery pipe, and the flowmeter is connected with the valve and the first oil delivery pipe through a quick connector. According to some embodiments of the utility model, the first oil delivery pipe is connected to the first oil delivery pipe by a quick connector. According to some embodiments of the utility model, the first oil delivery pipe is provided as a hose. According to some embodiments of the utility model, the oil tank further comprises a second oil delivery pipe and a vacuum sight glass component, wherein the second oil delivery pipe is provided as a hard pipe, the vacuum sight glass component is arranged between the first oil delivery pipe and the second oil delivery pipe, and the second oil delivery pipe is used for being connected with the oil tank. According to some embodiments of the utility model, the vacuum sight glass component is connected with the second oil delivery pipe through a quick-connection flange, and the vacuum sight glass component is connected with the first oil delivery pipe through a pagoda joint. According to some embodiments of the utility model, the valve is provided as a manual ball valve. Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. Drawings The foregoing or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which: FIG. 1 is a general schematic of an embodiment of the present utility model; FIG. 2 is a schematic view of the other direction of FIG. 1; FIG. 3 is an exploded view of the grease gun structure; fig. 4 is a schematic diagram of oiling. Reference numerals: a first oil delivery pipe 1