CN207319997U - A kind of controllable oil-minimum breaker - Google Patents
A kind of controllable oil-minimum breaker Download PDFInfo
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- CN207319997U CN207319997U CN201721171045.0U CN201721171045U CN207319997U CN 207319997 U CN207319997 U CN 207319997U CN 201721171045 U CN201721171045 U CN 201721171045U CN 207319997 U CN207319997 U CN 207319997U
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- electric pushrod
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- connecting tube
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Abstract
The utility model provides a kind of controllable oil-minimum breaker, including fuel tank, flowline is fixedly connected with the right side of fuel tank, flowline is internally provided with the first hydraulic valve, the bottom of flowline is fixedly connected with connecting tube, and the left end of connecting tube is fixedly connected with sealing ring, installing plate is provided with below flowline, the first electric pushrod and the second electric pushrod are installed with the right side of installing plate, is related to high and low voltage switchgear field.The controllable oil-minimum breaker is by being provided with the first electric pushrod and the second electric pushrod, with the first electric pushrod and the cooperating syringe of the second electric pushrod, fluid is promoted to move right, increase connection intraductal pressure, extrude the first hydraulic valve and the second hydraulic valve, make its closure by being pressed down against the 3rd piston, it is set to drive control valve to move downward, so as to close connector, prevent the connection of oil conservator and oil inlet pipe, stop the delivering oil into fuel tank, the 3rd piston is pushed up using groups of springs, so as to repeat oil inlet.
Description
Technical field
The utility model high and low voltage switchgear technical field, is specially a kind of controllable oil-minimum breaker.
Background technology
High and low voltage switchgear is to connect high pressure or the equipment of type low-voltage cable, and general power supply bureau, electric substation are all to use high-voltage board, so
Low-voltage cabinet is arrived again by transformer pressure-reducing, and low-voltage cabinet arrives the distribution box of each electricity consumption again, so as to meet the need of people's daily life
Ask, and many failures occur in high and low voltage switchgear in daily use, such as cut-off and close the generation of failure, be typically because
For the failure of oil-minimum breaker, oil-filled excessive in oil-minimum breaker fuel tank, pasta is excessive, pasta above cushion space mistake in fuel tank
It is small, so as to cause oil-minimum breaker oil spout short-circuit, equipment is brought huge economic loss and shadow from normally operating
Ring resident living.
Utility model content
(1) technical problem solved
In view of the deficiencies of the prior art, the utility model provides a kind of controllable oil-minimum breaker, and it is disconnected to solve few oil
Oil-filled excessive in the device fuel tank of road, pasta is excessive, and pasta above cushion space is too small in fuel tank, so as to cause oil-minimum breaker oil spout
Short circuit, prevents equipment from normally operating, the problem of may bringing huge economic loss and influence resident living.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of controllable few oil-break
Device, including fuel tank, are fixedly connected with flowline on the right side of the fuel tank, and the flowline is internally provided with the first hydraulic valve,
The bottom of the flowline is fixedly connected with connecting tube, and the left end of the connecting tube is fixedly connected with sealing ring, the flowline
Lower section be provided with installing plate, the first electric pushrod and the second electric pushrod are installed with the right side of the installing plate, it is described
The first hydraulic stem and the second hydraulic stem, and the first hydraulic stem are respectively arranged with the right side of first electric pushrod and the second electric pushrod
First piston and second piston are respectively fixedly connected with the right end of the second hydraulic stem, the right end of the connecting tube is fixedly connected with
Oil conservator, is provided with the second hydraulic valve being adapted with connecting tube, the left side and position of the oil conservator on the left of the oil conservator
Connector is fixedly connected with below connecting tube, oil inlet pipe, the connection are fixedly connected between the connector and fuel tank
Regulation pipe is fixedly connected between part and connecting tube, the regulation pipe is internally provided with the 3rd piston, the 3rd piston
Bottom is fixedly connected with control valve, and the bottom of the control valve through the bottom of regulation pipe and extends to the inside of connector.
Preferably, fixing sleeve is socketed with the outside of the connecting tube, branch is fixedly connected between the fixing sleeve and fuel tank
Bar.
Preferably, the bottom for adjusting tube cavity is fixedly connected with groups of springs, the groups of springs be by two diameters not
Same spring is socketed to form.
Preferably, adjusting spring is fixedly connected between second hydraulic valve and connecting tube, second hydraulic valve
Right side is provided with limited block.
Preferably, the operation frequency of first electric pushrod is more than the operation frequency of the second electric pushrod, and stream every time
Twice, the first electric pushrod operates once the running of the second electric pushrod in journey.
(3) beneficial effect
The utility model provides a kind of controllable oil-minimum breaker.Possesses following beneficial effect：
1st, the utility model is by being provided with flowline, the first hydraulic valve and connecting tube, when in the fuel tank of oil-minimum breaker
When fluid is excessive, fluid is flowed into connecting tube from flowline through the first hydraulic valve, by being provided with the first electric pushrod, the second electricity
Dynamic push rod, first piston and second piston, the second electric pushrod first promote second piston, long-pending oil in connecting tube are promoted to the right,
By being provided with the second hydraulic valve and adjusting spring, adjust spring and draw high the second hydraulic valve, long-pending oil is returned into oil conservator
Receive and utilize, with the first electric pushrod and the cooperating syringe of the second electric pushrod, first piston and second piston overlapping, promote oil
Liquid moves right, and increases connection intraductal pressure, extrudes the first hydraulic valve and the second hydraulic valve, makes its closure, limited block limitation
The displacement of second hydraulic valve.
2nd, the utility model is by being provided with the 3rd piston, groups of springs, regulation pipe, control valve and connector, and fluid is from even
Enter in adapter in regulation pipe, by being pressed down against the 3rd piston, make it drive control valve to move downward, so as to close connection
Part, prevents the connection of oil conservator and oil inlet pipe, stops the delivering oil into fuel tank, the 3rd piston is pushed up using groups of springs,
Make its reset, so as to repeat oil inlet, by being provided with strut and fixing sleeve, easy to which connecting tube is fixed.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is partial enlarged view at A in the utility model Fig. 1.
In figure：1 strut, 2 oil inlet pipes, 3 oil conservators, 4 first hydraulic valves, 5 second pistons, 6 first pistons, 7 sealing rings, 8
Second electric pushrod, 9 first electric pushrods, 10 flowlines, 11 fuel tanks, 12 connecting tubes, 13 second hydraulic valves, 14 limited blocks, 15
Adjust spring, 16 the 3rd pistons, 17 groups of springs, 18 regulation pipes, 19 control valves, 20 connectors, 21 fixing sleeves, 22 installing plates.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of controllable oil-minimum breaker, as shown in Figs. 1-2, including fuel tank 11, fuel tank
11 right side is fixedly connected with flowline 10, and flowline 10 is internally provided with the first hydraulic valve 4, and the bottom of flowline 10 is fixed
Connecting tube 12 is connected with, by being provided with flowline 10, the first hydraulic valve 4 and connecting tube 12, when the fuel tank 11 of oil-minimum breaker
When inner fluid is excessive, fluid is flowed into connecting tube 12 from flowline 10 through the first hydraulic valve 4, and the outside of connecting tube 12 is socketed with admittedly
Surely 21 are covered, strut 1 is fixedly connected between fixing sleeve 21 and fuel tank 11, strut 1 and fixing sleeve 21 cooperate, and make connecting tube 12
Structure is more stablized, and the left end of connecting tube 12 is fixedly connected with sealing ring 7, by being provided with sealing ring 7, prevents fluid from leaking out company
Adapter 12, the lower section of flowline 10 are provided with installing plate 22, and the right side of installing plate 22 is installed with the first electric pushrod 9 and
Two electric pushrods 8, the operation frequency of the first electric pushrod 9 are more than the operation frequency of the second electric pushrod 8, and every time the in flow
Two electric pushrods 8 operate twice, and the first electric pushrod 9 operates once, the right side of the first electric pushrod 9 and the second electric pushrod 8
The first hydraulic stem and the second hydraulic stem are respectively arranged with, and the right end of the first hydraulic stem and the second hydraulic stem has been respectively fixedly connected with
First piston 6 and second piston 5, the right end of connecting tube 12 are fixedly connected with oil conservator 3, and the left side of oil conservator 3 is provided with connecting
The second hydraulic valve 13 that adapter 12 is adapted, is fixedly connected between the second hydraulic valve 13 and connecting tube 12 and adjusts spring 15, leads to
Cross and be provided with the first electric pushrod 9, the second electric pushrod 8, first piston 6 and second piston 5, the second electric pushrod 8 first promotes
Second piston 5, long-pending oil in connecting tube 12 is promoted to the right, by being provided with the second hydraulic valve 13 and adjusting spring 15, adjusts bullet
Spring 15 draws high the second hydraulic valve 13, long-pending oil is recycled into oil conservator 3, and the right side setting of the second hydraulic valve 13 is limited
Position block 14, with the first electric pushrod 9 and the cooperating syringe of the second electric pushrod 8, first piston 6 and second piston 5 overlap, and push away
Dynamic fluid moves right, and increases pressure in connecting tube 12, extrudes the first hydraulic valve 4 and the second hydraulic valve 13, make its closure, limits
Position block 14 limits the displacement of the second hydraulic valve 13, the left side of oil conservator 3 and is fixedly connected with connection positioned at the lower section of connecting tube 12
Part 20, is fixedly connected with oil inlet pipe 2 between connector 20 and fuel tank 11, by the connection of connector 20, the fluid in oil conservator 3
Fuel tank 11 is flowed into through oil inlet pipe 2, fluid supplement is carried out, regulation pipe 18 is fixedly connected between connector 20 and connecting tube 12, is adjusted
The bottom of 18 inner cavity of section pipe is fixedly connected with groups of springs 17, and groups of springs 17 is socketed to form by two different springs of diameter, bullet
Spring group 17 is extruded be subject to upper load, and spring is compressed, and stores elastic potential energy, and regulation pipe 18 is internally provided with the 3rd work
Plug 16, the bottom of the 3rd piston 16 are fixedly connected with control valve 19, and control valve 19 controls fluid disengaging oil conservator 3, control valve 19
Bottom through regulation pipe 18 bottom and extend to the inside of connector 20, by be provided with the 3rd piston 16, groups of springs 17,
Regulation pipe 18, control valve 19 and connector 20, fluid enter in regulation pipe 18 out of connecting tube 12, by being pressed down against the 3rd work
Plug 16, makes it drive control valve 19 to move downward, so as to close connector 20, prevents the connection of oil conservator 3 and oil inlet pipe 2, stops
The only delivering oil into fuel tank 11, pushes up the 3rd piston 16 using groups of springs 17, makes its reset, so as to repeat into
Oil.
Operation principle：When in use, 11 inner fluid of fuel tank of oil-minimum breaker is excessive, fluid is from flowline 10 through the first liquid
Pressure valve 4 is flowed into connecting tube 12, and the second electric pushrod 8 first promotes second piston 5, and long-pending oil in connecting tube 12 is promoted to the right, is adjusted
Section spring 15 draws high the second hydraulic valve 13, long-pending oil is recycled into oil conservator 3, with the first electric pushrod 9 and the
The cooperating syringe of two electric pushrods 8, first piston 6 and second piston 5 overlap, and promote fluid to move right, make in connecting tube 12
Pressure increases, and extrudes the first hydraulic valve 4 and the second hydraulic valve 13, makes its closure, and limited block 14 limits the position of the second hydraulic valve 13
Move, fluid enters in regulation pipe 18 out of connecting tube 12, by being pressed down against the 3rd piston 16, makes it drive control valve 19 downward
Movement, so as to close connector 20, prevents the connection of oil conservator 3 and oil inlet pipe 2, stops the delivering oil into fuel tank 11, utilize
Groups of springs 17 pushes up the 3rd piston 16, makes its reset, so as to repeat oil inlet.
In conclusion the controllable oil-minimum breaker, by being provided with flowline 10, the first hydraulic valve 4 and connecting tube 12,
When 11 inner fluid of fuel tank of oil-minimum breaker is excessive, fluid is flowed into connecting tube 12 from flowline 10 through the first hydraulic valve 4, is led to
Cross and be provided with the first electric pushrod 9, the second electric pushrod 8, first piston 6 and second piston 5, the second electric pushrod 8 first promotes
Second piston 5, long-pending oil in connecting tube 12 is promoted to the right, by being provided with the second hydraulic valve 13 and adjusting spring 15, adjusts bullet
Spring 15 draws high the second hydraulic valve 13, long-pending oil is recycled into oil conservator 3, with the first electric pushrod 9 and the second electricity
The cooperating syringe of dynamic push rod 8, first piston 6 and second piston 5 overlap, and promote fluid to move right, make pressure in connecting tube 12
Increase, extrudes the first hydraulic valve 4 and the second hydraulic valve 13, makes its closure, and limited block 14 limits the displacement of the second hydraulic valve 13.
Also, by being provided with the 3rd piston 16, groups of springs 17, regulation pipe 18, control valve 19 and connector 20, fluid from
Enter in connecting tube 12 in regulation pipe 18, by being pressed down against the 3rd piston 16, make it drive control valve 19 to move downward, so that
Close connector 20, prevent the connection of oil conservator 3 and oil inlet pipe 2, stop the delivering oil into fuel tank 11, using groups of springs 17 to
The 3rd piston 16 of upper promotion, makes its reset, so as to repeat oil inlet, by being provided with strut 1 and fixing sleeve 21, easy to connect
Adapter 12 is fixed.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of controllable oil-minimum breaker, including fuel tank (11), it is characterised in that：It is fixedly connected on the right side of the fuel tank (11)
There is flowline (10), the flowline (10) is internally provided with the first hydraulic valve (4), and the bottom of the flowline (10) is fixed
Connecting tube (12) is connected with, the left end of the connecting tube (12) is fixedly connected with sealing ring (7), the lower section of the flowline (10)
Installing plate (22) is provided with, the first electric pushrod (9) and the second electric pushrod are installed with the right side of the installing plate (22)
(8), the first hydraulic stem and the second hydraulic pressure are respectively arranged with the right side of first electric pushrod (9) and the second electric pushrod (8)
Bar, and the right end of the first hydraulic stem and the second hydraulic stem has been respectively fixedly connected with first piston (6) and second piston (5), it is described
The right end of connecting tube (12) is fixedly connected with oil conservator (3), is provided with the left of the oil conservator (3) and is mutually fitted with connecting tube (12)
The second hydraulic valve (13) matched somebody with somebody, the left side of the oil conservator (3) and is fixedly connected with connector below the connecting tube (12)
(20), oil inlet pipe (2), the connector (20) and connecting tube are fixedly connected between the connector (20) and fuel tank (11)
(12) it is fixedly connected with regulation pipe (18) between, the regulation pipe (18) is internally provided with the 3rd piston (16), and the described 3rd
The bottom of piston (16) is fixedly connected with control valve (19), the bottom of the control valve (19) through the bottom of regulation pipe (18) and
Extend to the inside of connector (20).
A kind of 2. controllable oil-minimum breaker according to claim 1, it is characterised in that：The outside of the connecting tube (12)
Fixing sleeve (21) is socketed with, strut (1) is fixedly connected between the fixing sleeve (21) and fuel tank (11).
A kind of 3. controllable oil-minimum breaker according to claim 1, it is characterised in that：Regulation pipe (18) inner cavity
Bottom is fixedly connected with groups of springs (17), and the groups of springs (17) is socketed to form by two different springs of diameter.
A kind of 4. controllable oil-minimum breaker according to claim 1, it is characterised in that：Second hydraulic valve (13) with
It is fixedly connected between connecting tube (12) and adjusts spring (15), limited block is provided with the right side of second hydraulic valve (13)
(14)。
A kind of 5. controllable oil-minimum breaker according to claim 1, it is characterised in that：First electric pushrod (9)
Operation frequency be more than the operation frequency of the second electric pushrod (8), and every time in flow the second electric pushrod (8) running twice,
First electric pushrod (9) operates once.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171045.0U CN207319997U (en) | 2017-09-13 | 2017-09-13 | A kind of controllable oil-minimum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721171045.0U CN207319997U (en) | 2017-09-13 | 2017-09-13 | A kind of controllable oil-minimum breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207319997U true CN207319997U (en) | 2018-05-04 |
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ID=62387200
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721171045.0U Active CN207319997U (en) | 2017-09-13 | 2017-09-13 | A kind of controllable oil-minimum breaker |
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| Country | Link |
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| CN (1) | CN207319997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107481891A (en) * | 2017-09-13 | 2017-12-15 | 江苏银佳电子设备有限公司 | A kind of controllable oil-minimum breaker |
-
2017
- 2017-09-13 CN CN201721171045.0U patent/CN207319997U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107481891A (en) * | 2017-09-13 | 2017-12-15 | 江苏银佳电子设备有限公司 | A kind of controllable oil-minimum breaker |
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