CN205991210U - A kind of deadweight safety valve - Google Patents
A kind of deadweight safety valve Download PDFInfo
- Publication number
- CN205991210U CN205991210U CN201620790203.XU CN201620790203U CN205991210U CN 205991210 U CN205991210 U CN 205991210U CN 201620790203 U CN201620790203 U CN 201620790203U CN 205991210 U CN205991210 U CN 205991210U
- Authority
- CN
- China
- Prior art keywords
- oil
- safety valve
- lubricating cup
- cylinder
- bypass pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
This utility model is related to a kind of deadweight safety valve, belongs to relief valve technical field.This utility model includes cylinder, air inlet pipe, support tube, protective cover, flange, air inlet pipe is provided with horizontal bypass pipe along along the outer tube wall of cylinder and support tube lower edge between, the port of export of horizontal bypass pipe is provided with liquid level instruction and automatic oil recharging device, cylinder bottom surface is provided with sewage draining exit, and sewage draining exit is blocked using pollution discharging plug.Liquid level instruction includes lubricating cup and oil can with automatic oil recharging device, and lubricating cup is the barrel-like structure of open topped, and its side pipe wall opening is connected with horizontal bypass pipe；Oil can includes the spout installed on the kettle body being made by transparent material and kettle body end cap, and the spout of oil can is inserted in the cavity of lubricating cup, and the upper edge of the outlet of oil nozzle is in same level with horizontal bypass pipe inner tubal wall.This utility model overcomes deadweight safety valve dismounting potential safety hazard, the filling weight of hydraulic oil and the unmanageable defect of liquid level of prior art presence.
Description
Technical field
This utility model is related to a kind of deadweight safety valve, belongs to relief valve technical field.
Background technology
Deadweight safety valve is installed in oil storage tank top, uses side by side with breather valve, is to ensure that a weight of oil storage tank safety
Want adnexa.Deadweight safety valve includes cylinder, air inlet pipe, support tube, protective cover, flange, and air inlet pipe is inserted into cylinder body bottom center
Position, lower end is connected with oil storage tank top by flange, is filled with hydraulic oil, supports sealing of tube in air inlet pipe and the annular space of cylinder
In protective cover lower surface, the diameter of support tube is less than the diameter with diameter greater than air inlet pipe of cylinder, and support tube passes through screw rod and cylinder
Body connects, and the lower edge of support tube is under the liquid level of the hydraulic oil in the upper edge of air inlet pipe with the annular space of cylinder.Work as oil storage tank
Interior pressure be higher than oil storage tank set pressure when, the gas in oil storage tank by air inlet pipe enter relief valve cylinder, make cylinder and
The liquid level of the hydraulic oil in annular space between support tube rises, and easily spills outside cylinder, causes the hydraulic oil in cylinder to reduce, liquid level
Reduce；When the pressure in oil storage tank is less than oil storage tank and sets pressure, air passes through support tube and enters cylinder with the annular space of cylinder,
The liquid level of the hydraulic oil in the annular space between cylinder and support tube is made to decline, the hydraulic pressure in annular space between air inlet pipe and support tube
The liquid level of oil rises, and easily makes hydraulic oil enter oil storage tank by air inlet pipe, leads to the hydraulic oil in cylinder to lack, when hydraulic oil
When liquid level is less than the lower edge of support tube, makes cylinder lumen and atmosphere, cause hydraulic safe defective valve.For recovering hydraulic safe
The function of valve, need to dismantle the protective cover of relief valve, manually fill hydraulic oil into cylinder.Because of deadweight safety valve installation site relatively
Height, size and weight are larger, and dismounting is difficult, and there is potential safety hazard.Manually fill hydraulic oil into cylinder, by the oil on overhead guard
Position chi measures the liquid level of hydraulic oil, and certainty of measurement is low, and the filling weight of hydraulic oil and liquid level are difficult to control to.
Utility model content
The purpose of this utility model is that the dismounting of the deadweight safety valve in order to overcome above-mentioned prior art presence has safety
Hidden danger, the filling weight of hydraulic oil and the unmanageable defect of liquid level, provide can automatic liquid supply deadweight safety valve.
For achieving the above object, the technical scheme that this utility model is taken is as follows：
This utility model deadweight safety valve includes cylinder, air inlet pipe, support tube, protective cover, flange, in air inlet pipe along with
Horizontal bypass pipe is provided with the outer tube wall of the cylinder between support tube lower edge, the port of export of horizontal bypass pipe is provided with liquid level and refers to
Show and automatic oil recharging device, cylinder body bottom is provided with sewage draining exit, sewage draining exit is blocked using pollution discharging plug.
Liquid level instruction includes lubricating cup and oil can with automatic oil recharging device, and lubricating cup is the barrel-like structure of open topped, its side pipe
Wall opening is connected with horizontal bypass pipe；Oil can includes the spout installed on the kettle body being made by transparent material and kettle body end cap, oil
The spout of kettle is inserted in the cavity of lubricating cup, and the outlet of oil nozzle is wedge surface, and the upper edge of wedge surface is in horizontal bypass pipe inner tubal wall
Same level.
Oil can is fixed in the cavity of lubricating cup by jackscrew.
Between the uncovered faying face of oil can and lubricating cup upper end, O-ring seal is installed.
The oil nozzle outlet end of oil can is wedge-shaped opening, and its opening end corresponds to horizontal bypass pipe.
The automatic repairing principle of deadweight safety valve：Oil can bottom is wedge-shaped opening, because deadweight safety valve forms one with lubricating cup
Individual linker, the gas pressure in oil can is less than external atmosphere pressure, therefore the hydraulic oil that can keep certain height in oil can.Work as liquid
Pressure relief valve in running, when hydraulic oil loss leads to deadweight safety valve oil level to decline, due to law of connected vessels, pacify by hydraulic pressure
Oil level in full valve is always equal with the oil level of horizontal bypass pipe and lubricating cup.Oil level decline when, air will pass through support tube with
The annular space of cylinder enters in horizontal bypass pipe and lubricating cup, and the hydraulic oil in oil can injects lubricating cup, side due to flowing downward from gravity
In siphunculus and hydraulic safe valve chest, air enters in oil can kettle body by the spout of oil can, in lubricating cup, deadweight safety valve
Hydraulic oil liquid level and bypass pipe inner tubal wall be in same level, hydraulic oil reaches poised state, and the hydraulic oil in oil can stops
Only flow downward.
The beneficial effects of the utility model are：The dismounting presence safety overcoming the deadweight safety valve of prior art presence is hidden
Trouble, the filling weight of hydraulic oil and the unmanageable defect of liquid level.When deadweight safety valve is made regular check on, in oil can, there is liquid
Force feed then shows deadweight safety valve normal operation, and liquid level checks convenient and swift；When deadweight safety valve is in running, due to each
Plant the loss that reason causes hydraulic oil, hydraulic oil liquid potential drop is low, air will pass through by support tube and the annular space entrance level of cylinder
In siphunculus and lubricating cup, hydraulic oil in lubricating cup is flowed downward entrance deadweight safety valve due to self gravitation, realizes deadweight safety valve
Automatic repairing function.
Brief description
Fig. 1 is this utility model structural representation.
Specific embodiment
As shown in figure 1, deadweight safety valve of the present utility model includes cylinder 1, air inlet pipe 2, support tube 3, protective cover 4, method
Blue 5, horizontal bypass pipe 6 is provided with along along the outer tube wall of cylinder 1 and support tube 3 lower edge between on air inlet pipe 2, level bypasses
The port of export of pipe 6 is provided with liquid level instruction and automatic oil recharging device, and cylinder 1 bottom surface is provided with sewage draining exit, and sewage draining exit adopts blowdown
Plug 7 is blocked.
Liquid level instruction includes lubricating cup 8 and oil can 9 with automatic oil recharging device, and lubricating cup 8 is the barrel-like structure of open topped, its side
Tube wall opening is connected with horizontal bypass pipe 6；Oil can 9 includes the kettle installed on the kettle body being made by transparent material and kettle body end cap
Mouth, the spout of oil can 9 is inserted in the cavity of lubricating cup 8, and the upper edge of the outlet of oil nozzle and horizontal bypass pipe 6 inner tubal wall are in same
Horizontal plane.
Described oil can 9 is fixed in the cavity of lubricating cup 8 by jackscrew 10.
Between the uncovered faying face of described oil can 9 and lubricating cup upper end, O-ring seal 11 is installed.
The oil nozzle outlet end of described oil can 9 is wedge-shaped opening, and its opening end corresponds to horizontal bypass pipe 6.
Specifically used method of the present utility model is：Oil can 9 is taken off from lubricating cup 8, by lubricating cup 8 to deadweight safety valve
Filling hydraulic oil 12 in cylinder 1, until the liquid level of hydraulic oil 12 and horizontal bypass pipe 6 upper portion inner tube wall are in same level；
Oil can 9 is inverted, hydraulic oil is filled into oil can 9 by the oil nozzle of oil can 9, by oil can 9 after hydraulic oil is filled it up with oil can 9
Oil nozzle is placed in the cavity of lubricating cup 8, by tightening jackscrew 10, oil can 9 is fixed in the cavity of lubricating cup 8.Deadweight safety valve is in fortune
During row, because a variety of causes causes the loss of hydraulic oil 12 in deadweight safety valve cylinder 1, when in deadweight safety valve cylinder 1
Hydraulic oil 12 liquid level be less than in the outlet of oil can 9 spout along when, air will pass through the annular space entrance level of support tube 3 and cylinder 1
In bypass pipe 6 and lubricating cup 8, the hydraulic oil in oil can 9 enters the cylinder of lubricating cup 8 and deadweight safety valve because self gravitation flows downward
In body 1, realize the automatic repairing function of deadweight safety valve；When deadweight safety valve is made regular check on, emphasis checks lubricating cup 8 liquid
, there is hydraulic oil in lubricating cup 8 and then show deadweight safety valve normal operation in position.
Claims (5)
1. a kind of deadweight safety valve, including cylinder (1), air inlet pipe (2), support tube (3), protective cover (4), flange (5), its feature
It is：Air inlet pipe is provided with horizontal bypass pipe (6), by level along along the outer tube wall of cylinder (1) and support tube lower edge between
The port of export of siphunculus (6) is provided with liquid level instruction and automatic oil recharging device, and cylinder (1) bottom surface is provided with sewage draining exit, and sewage draining exit is adopted
Blocked with pollution discharging plug (7).
2. deadweight safety valve according to claim 1, is characterized in that：Described liquid level instruction is with automatic oil recharging device by lubricating cup
(8) form with oil can (9), lubricating cup (8) is the barrel-like structure of open topped, its side pipe wall opening is connected with horizontal bypass pipe (6)；
Oil can (9) includes the spout installed on the kettle body being made by transparent material and kettle body end cap, and the spout of oil can (9) is inserted into lubricating cup
(8), in cavity, the outlet of oil nozzle is wedge surface, and the upper edge of wedge surface is in same level with horizontal bypass pipe (6) inner tubal wall.
3. deadweight safety valve according to claim 2, is characterized in that：Described oil can (9) is fixed on lubricating cup by jackscrew (10)
(8) in cavity.
4. deadweight safety valve according to claim 2, is characterized in that：The combination uncovered with lubricating cup upper end of described oil can (9)
O-ring seal (11) is installed between face.
5. deadweight safety valve according to claim 2, is characterized in that：The oil nozzle outlet end of described oil can (9) is wedge-shaped opening,
Its opening end corresponds to horizontal bypass pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620790203.XU CN205991210U (en) | 2016-07-25 | 2016-07-25 | A kind of deadweight safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620790203.XU CN205991210U (en) | 2016-07-25 | 2016-07-25 | A kind of deadweight safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991210U true CN205991210U (en) | 2017-03-01 |
Family
ID=58102577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620790203.XU Expired - Fee Related CN205991210U (en) | 2016-07-25 | 2016-07-25 | A kind of deadweight safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676631A (en) * | 2017-11-14 | 2018-02-09 | 中车资阳机车有限公司 | A kind of wet-type relief device on high temperature, minute-pressure, filthy gas pipeline |
| CN112013143A (en) * | 2019-05-30 | 2020-12-01 | 中国石油化工股份有限公司 | Fire-retardant type breather valve for stratum water storage tank |
-
2016
- 2016-07-25 CN CN201620790203.XU patent/CN205991210U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676631A (en) * | 2017-11-14 | 2018-02-09 | 中车资阳机车有限公司 | A kind of wet-type relief device on high temperature, minute-pressure, filthy gas pipeline |
| CN112013143A (en) * | 2019-05-30 | 2020-12-01 | 中国石油化工股份有限公司 | Fire-retardant type breather valve for stratum water storage tank |
| CN112013143B (en) * | 2019-05-30 | 2022-05-24 | 中国石油化工股份有限公司 | Fire-retardant type breather valve for stratum water storage tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 Termination date: 20170725 |