CN211856002U - Oil taking device for oil taking port of transformer - Google Patents

Abstract

The utility model relates to an oil device of getting for transformer gets hydraulic fluid port, can dismantle the oil hose of getting of being connected including connecting in the transformer and getting the adapter sleeve of hydraulic fluid port and wherein one end through quick-operation joint and adapter sleeve, it is connected with the first interface of a plastics three-way valve to get the soft other end of oil pipe, the second interface of plastics three-way valve has the plastic joint that can peg graft the tight fit with the cylinder front end nipple. The utility model discloses an oil-fetching device for transformer oil-fetching mouth is novel in structure, reasonable in design, can realize quick connection, convenient to use, the practicality is strong; the oil is completely isolated from the outside in the oil taking operation process, the whole process is in a sealed environment, an oil sample is not interfered by external factors, no gas easily escapes or contacts with the air, the test accuracy is improved, and reliable data support is provided for stable operation of equipment.

Description

Oil taking device for oil taking port of transformer

Technical Field

The utility model relates to an oil device of getting that is used for transformer to get hydraulic fluid port.

Background

The transformer oil has the functions of insulation, heat dissipation, arc extinction and the like. In order to know various insulation performance indexes of the transformer, the oil needs to be tested by specified items regularly, and thus oil sampling is needed. Accurate test data is helpful for timely discovering various fault hidden dangers of the transformer, the overhaul work of the transformer is made in advance, the hidden dangers are eliminated in time, the safe and reliable operation of the transformer is guaranteed, and the safe production of each large enterprise is guaranteed.

When present transformer gets hydraulic fluid port device and gets oil, utilize the cylinder to face towards getting the hydraulic fluid port, then open and get the hydraulic fluid port, extract transformer oil with the cylinder, this kind of mode needs two people to cooperate, it is higher to the cooperation degree requirement of two people's operations, need hand-held cylinder simultaneously and operation oil extraction valve, control oil flow and oil mass, and the cylinder mouth gets the hydraulic fluid port with the transformer and does not contact completely when good, get the oil in-process, easily lead to transformer oil to splash, pollute transformer ware body and staff on one's body, in addition at the oil taking in-process, gas easily escapes or contacts with the air in the transformer oil, influence the accuracy of test data.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a novel structure, convenient to use, easy operation's a get oily device for hydraulic fluid port is got to the transformer, and the oil appearance does not receive external factor to disturb, improves experimental accuracy.

The utility model discloses a following scheme realizes: the utility model provides a get oily device for hydraulic fluid port is got to transformer, is connected in the transformer and gets the adapter sleeve of hydraulic fluid port and wherein one end and can dismantle the oil hose of getting of being connected through quick-operation joint and adapter sleeve, it is connected with the first interface of a plastics three-way valve to get the oil hose other end, the second interface of plastics three-way valve has the plastic joint that can peg graft the tight fit with cylinder front end nipple.

Furthermore, the quick connector comprises a male connector and a female connector, and internal threads which are respectively in threaded connection with the transformer oil taking port and the female connector of the quick connector are arranged at two ends of the connecting sleeve; oil passing holes are formed in the male connector and the female connector; the male connector and the female connector are provided with an inner inserting pipe and an outer sleeve which can be sleeved together.

Furthermore, a necking and a plug for plugging the necking are arranged in the oil passing hole in the female joint, a protruding shaft part for pushing the plug open when the inner inserting tube is inserted into the outer sleeve is arranged at the end part of the inner inserting tube, and a first spring for pushing the plug outwards is further arranged in the oil passing hole of the female joint.

Furthermore, a plurality of radial through holes are distributed at intervals on the periphery of the outer sleeve of the female joint, a locking ball capable of moving radially relative to the outer sleeve is arranged in each through hole, a locking sleeve capable of sliding axially relative to the outer sleeve is sleeved on the outer sleeve and can push the locking ball inwards when the outer sleeve slides outwards, an annular limiting groove matched with the locking ball is arranged on the periphery of the inner insertion tube of the male joint, and a second spring used for pushing the locking sleeve outwards is arranged between the outer sleeve locking sleeves.

Furthermore, the quick connector also comprises a protective sleeve which is detachably connected with the connecting sleeve and is used for covering the quick connector female connector.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the structure is novel, the design is reasonable, the quick connection can be realized, the use is convenient, and the practicability is strong;

2. the oil is completely isolated from the outside in the oil taking operation process, the whole process is in a sealed environment, an oil sample is not interfered by external factors, no gas easily escapes or contacts with the air, the test accuracy is improved, and reliable data support is provided for the stable operation of equipment;

3. compared with the traditional oil extraction, the oil extraction can be completed by only one person without the cooperation of two persons, and the operation is easy;

4. the problem of oil leakage can not occur in the oil taking process, and the device is favorable for maintaining the safety of equipment and avoiding polluting the working environment.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and related drawings.

Drawings

FIG. 1 is a schematic view of the connection state of the protective sheath and the connecting sleeve in the embodiment of the present invention;

FIG. 2 is a schematic view showing a state where the protective sheath and the connecting sleeve are separated from each other in the embodiment of the present invention;

FIG. 3 is a schematic view of the connection between the oil intake pipe and the male joint and the plastic three-way valve in the embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating a state where the male connector and the female connector of the quick connector are separated from each other according to an embodiment of the present invention;

FIG. 5 is a schematic view showing the connection state of the male joint and the female joint of the quick coupling according to the embodiment of the present invention

The reference numbers in the figures illustrate: 100-transformer oil taking port, 110 connector, 200-connecting sleeve, 300-oil taking hose, 400-plastic three-way valve, 410-plastic connector, 500-male connector, 510-inner inserting tube, 511-protruding shaft part, 512-annular limiting groove, 600-female connector, 610-outer sleeve, 620-necking, 630-plug, 640-first spring, 650-locking ball, 660-locking ball, 670-second spring and 700-protective sleeve.

Detailed Description

As shown in fig. 1 to 5, an oil extraction device for an oil extraction port of a transformer comprises a connection sleeve 200 connected to an oil extraction port 100 of the transformer and an oil extraction hose 300, one end of the oil extraction hose is detachably connected with the connection sleeve 200 through a quick connector, the oil extraction port of the transformer is provided with a threaded hole located on the side of the transformer, a connector used for being connected with the connection sleeve is connected to the threaded hole, the connector is of a hollow structure with double threads, the other end of the oil extraction hose 300 is connected with a first connector of a plastic three-way valve 400, a second connector of the plastic three-way valve 400 is provided with a plastic connector 410 which can be inserted and tightly matched with a front nipple of a needle cylinder, and the plastic connector has good sealing performance after being inserted and tightly matched; the utility model discloses when getting oil, get the oil pipe and connect through quick-operation joint and adapter sleeve, then utilize cylinder front end nipple and the plastic joint of plastic three-way valve 400 to connect, then open the valve of plastic three-way valve, can utilize the cylinder to take out transformer oil, only need one person to accomplish, need not two people to cooperate, convenient operation; in addition, the plastic joint of the plastic three-way valve can be matched with the front nipple of the needle cylinder more closely when being connected, the sealing performance is better, the oil leakage problem cannot occur, the oil is completely isolated from the outside in the oil taking operation process, the oil sample is not interfered by external factors, no gas easily escapes or is in contact with the air, the test accuracy is improved, and reliable data support is provided for the stable operation of equipment.

In this embodiment, the quick connector includes a male connector 500 and a female connector 600, the rear end of the male connector is provided with an external thread part connected with the connector, and one end of the female connector, which is far away from the male connector, is provided with a hose connector in plug-in fit with the oil-taking hose; two ends of the connecting sleeve 200 are provided with internal threads which are respectively in threaded connection with the transformer oil taking port 100 and a female joint of the quick joint; oil holes are formed in the male connector 500 and the female connector 600; the male connector and the female connector are provided with an inner insertion tube 510 and an outer sleeve 610 which can be sleeved together, and the inner insertion tube is inserted into the outer sleeve when the male connector 500 and the female connector 600 are plugged together.

In this embodiment, a reducing hole 620 and a plug 630 for blocking the reducing hole are disposed in the oil passing hole inside the female joint 600, a protruding shaft 511 for pushing the plug open when the inner tube 510 is inserted into the outer tube 610 is disposed at the end of the inner tube, and a first spring 640 for pushing the plug outward is further disposed in the oil passing hole of the female joint; the convex shaft part and the inner inserting tube are fixedly connected together, a gap for oil passing is reserved between the end part of the inner inserting tube and the convex shaft part, the plug 630 and the necking 620 are matched to form a valve structure, a sealing ring matched with the end face of the inner inserting tube is arranged at the end face of the outward end of the necking, and the plug 630 is pushed inwards to open the valve connector only when the male connector and the female connector are in plug-in matching in sampling; the sealing performance of the oil taking port of the transformer during normal work is guaranteed, the oil leakage problem is avoided, and the safety is high.

In this embodiment, a plurality of radial through holes are distributed at intervals on the periphery of the outer sleeve 610 of the female joint 5, and a locking ball 650 which can move radially relative to the outer sleeve is arranged in each through hole, a locking sleeve 660 which can slide axially relative to the outer sleeve and can push the locking ball inwards when the locking sleeve slides outwards is sleeved on the outer sleeve, an annular limiting groove 512 which is matched with the locking ball is arranged on the periphery of the inner inserting pipe of the male joint, and a second spring 670 which is used for pushing the locking sleeve outwards is arranged between the outer sleeve locking sleeves; the front part of the inner hole of the locking sleeve 660 is provided with an inner taper hole, and the conical surface at the inner taper hole part is beneficial to inwards pressing the locking ball when the locking sleeve slides outwards; the specific inserting process of the male connector and the female connector comprises the following steps: the locking sleeve slides inwards, the inner inserting tube of the male connector is inserted into the outer sleeve of the female connector, the locking sleeve is loosened after the inner inserting tube is inserted in place, and the locking sleeve slides outwards under the action of the second spring to enable the locking ball to be matched with the annular limiting groove on the inner inserting tube so as to prevent the inner inserting tube from being pulled out outwards.

In this embodiment, the quick connector further comprises a protective sleeve 700 detachably connected with the connecting sleeve for covering the female connector of the quick connector; the outer end of the connecting sleeve is further provided with an outer thread part used for being connected with the protective sleeve, the end, facing outwards, of the protective sleeve is closed, the end, facing inwards, of the protective sleeve is provided with an inner thread part, after oil taking is completed, the male connector is separated from the female connector, the protective sleeve is screwed on the connecting sleeve, and the female connector used for oil taking is sealed.

The utility model is used for the transformer gets oily device of getting of hydraulic fluid port:

1. the structure is novel, the design is reasonable, the quick connection can be realized, the use is convenient, and the practicability is strong;

2. the oil is completely isolated from the outside in the oil taking operation process, the whole process is in a sealed environment, an oil sample is not interfered by external factors, no gas easily escapes or contacts with the air, the test accuracy is improved, and reliable data support is provided for the stable operation of equipment;

3. compared with the traditional oil extraction, the oil extraction can be completed by only one person without the cooperation of two persons, and the operation is easy;

4. the problem of oil leakage can not occur in the oil taking process, and the device is favorable for maintaining the safety of equipment and avoiding polluting the working environment.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (5)

1. The utility model provides a get oily device for transformer gets hydraulic fluid port which characterized in that: the oil extraction device comprises a connecting sleeve connected with an oil extraction port of a transformer and an oil extraction hose with one end detachably connected with the connecting sleeve through a quick connector, wherein the other end of the oil extraction hose is connected with a first interface of a plastic three-way valve, and a second interface of the plastic three-way valve is provided with a plastic connector which can be in plug connection with a front nipple of a needle cylinder in a tight fit manner.

2. The oil extraction device for the oil extraction port of the transformer according to claim 1, wherein: the quick connector comprises a male connector and a female connector, and internal threads which are respectively in threaded connection with the transformer oil taking port and the female connector of the quick connector are arranged at two ends of the connecting sleeve; oil passing holes are formed in the male connector and the female connector; the male connector and the female connector are provided with an inner inserting pipe and an outer sleeve which can be sleeved together.

3. The oil extraction device for the oil extraction port of the transformer according to claim 2, wherein: the female joint is characterized in that a necking and a plug for plugging the necking are arranged in an oil passing hole in the female joint, a protruding shaft part for pushing the plug open when the inner inserting tube is inserted into the outer sleeve is arranged at the end part of the inner inserting tube, and a first spring for pushing the plug outwards is further arranged in the oil passing hole of the female joint.

4. The oil extraction device for the oil extraction port of the transformer according to claim 2, wherein: the locking device comprises a female connector and a male connector, wherein a plurality of radial through holes are distributed at intervals on the periphery of an outer sleeve of the female connector, a locking ball capable of moving radially relative to the outer sleeve is arranged in each through hole, a locking sleeve capable of sliding axially relative to the outer sleeve is sleeved on the outer sleeve and can push the locking ball inwards when the outer sleeve slides outwards, an annular limiting groove matched with the locking ball is arranged on the periphery of an inner inserting tube of the male connector, and a second spring used for pushing the locking sleeve outwards is arranged between the outer sleeve locking sleeves.

5. The oil extraction device for the oil extraction port of the transformer according to claim 2, wherein: the quick connector also comprises a protective sleeve which is detachably connected with the connecting sleeve and is used for covering the quick connector female connector.

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