CN104358903A - Automatic drain valve of lifeboat - Google Patents

Automatic drain valve of lifeboat Download PDF

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Publication number
CN104358903A
CN104358903A CN201410569277.6A CN201410569277A CN104358903A CN 104358903 A CN104358903 A CN 104358903A CN 201410569277 A CN201410569277 A CN 201410569277A CN 104358903 A CN104358903 A CN 104358903A
Authority
CN
China
Prior art keywords
plate
drain valve
automatic drain
piston
salvage boat
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.)
Granted
Application number
CN201410569277.6A
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Chinese (zh)
Other versions
CN104358903B (en
Inventor
曹伟
葛锦妹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Haiou Lift-Saving & Protection Equipment Co Ltd
Original Assignee
Nantong Haiou Lift-Saving & Protection Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nantong Haiou Lift-Saving & Protection Equipment Co Ltd filed Critical Nantong Haiou Lift-Saving & Protection Equipment Co Ltd
Priority to CN201410569277.6A priority Critical patent/CN104358903B/en
Publication of CN104358903A publication Critical patent/CN104358903A/en
Application granted granted Critical
Publication of CN104358903B publication Critical patent/CN104358903B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/168Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/164Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Float Valves (AREA)
  • Check Valves (AREA)

Abstract

The invention discloses an automatic drain valve of a lifeboat. The automatic drain valve comprises a valve body, wherein the valve body comprises an upper plate, an intermediate plate and a lower plate; the upper plate is fixed on the upper surface of the lifeboat; a through hole is formed in the middle of the upper plate; a string plug is arranged on the through hole; the diameter of the upper surface of the string plug is greater than the diameter of the through hole; the lower surface of the string plug is connected to the intermediate plate through a traction rope; a piston is arranged on the intermediate plate and sleeves a middle column; the upper end of the middle column is connected to the lower surface of the upper plate; the lower surface of the middle column is connected with and penetrates through the lower plate; a spring is arranged between the piston and the lower plate and sleeves the middle column; a water drain opening is formed in the lower end of the lower plate. The automatic drain valve has the advantages of convenience in use and high safety.

Description

Salvage boat automatic drain valve
Technical field
The present invention relates to draining field, specifically, relate to a kind of salvage boat automatic drain valve.
Background technique
Salvage boat belongs to crash equipment important on ship, is the emphasis that port reconstruction inspection and internal security check, relates to it be equipped with, deposit, land and the content such as overall process of recovering device and boat drill the examination scope of the inspection of salvage boat.Specify in the content of " International Convention for the Safety of Life at Sea in 1974 " (SOLAS pact) 1983 Amendments: " each crewman monthly at least participates in an abandon ship drill and a fire drill.Water under being landed by the behaviour ship person that ship is specified in the abandon ship drill that every salvage boat at least should carry out once at every 3 months also operates on the water ", require that boats and ships must place the water surface salvage boat within 30min simultaneously.
But when run in salvage boat running process in fortuitous event ship have water time, automatic drain valve is just needed to start working, a lot of automatic drain valves is there is in prior art, Chinese patent ZL 201210424992.1 discloses a kind of automatic drain valve, for in air-conditioner water system, comprise: valve body, described valve body is provided with water intake and water outlet; The cover body be connected with described valve body; Be arranged in described valve body, for closing the spool of described water intake and described water outlet, described spool has spool cavity, is filled with temperature sensing medium in described spool cavity; With the connecting rod piston of described cover body axial restraint, described connecting rod piston is sheathed in described spool cavity.Automatic drain valve provided by the invention, by its temperature sensing medium to external world temperature change expand or shrink, complete it to close when temperature is higher and automatic unlatching when temperature is lower, make air-conditioner water system can environmentally temperature Auto-drainage under powering-off state, effectively prevent and there is water when temperature is lower in water system and the damage caused, but its manufacturing cost is higher, be unfavorable for applying on each salvage boat widely, so existing defects.Chinese patent ZL 201320306637.4 provides a kind of automatic drain valve, comprises valve body, water intake, water outlet, first row gas port, suction port, elastic member and spool.Wherein: valve body comprises cylinder, the first capping, the second capping; First capping and the second capping are individually fixed in the two ends of cylinder, and valve inner forms cavity; Water intake and water outlet are opened on cylinder sidewall; First row gas port is opened in the first capping, and suction port is opened in the second capping; Spool comprises closure part, throughput, pneumatic department, and throughput is located between closure part and pneumatic department; Spool is placed in cavity, and spool is provided with between one end of closure part and the first capping and is provided with elastic member.This design possesses the cavity of larger volume due to its valve inner, can offer the larger water intake of bore and water outlet, and then ensures can there be larger flow when draining.Meanwhile, avoid impurities in water to block and import and export, ensure smooth in water flow, though this technological scheme to some extent solves the fast technical problem of draining, because its volume is excessive, be unsuitable for applying on the salvage boat that some are less, existing defects too.Chinese patent ZL 200920247592.1 discloses a kind of automatic drain valve, comprises valve body and control mechanism.Described valve body to be threaded valve pocket by valve seat, and on the perforation that pull bar is installed on valve pocket side opening, tiltedly waterwall and inner nozzle, glue is stifled to be sleeved on pull bar left end and to form.Described control mechanism comprises ball float, ball lever and bar ear, bar ear is the Lever type bar ear with bend angle, bar ear is through the recessed card set by pull bar one end, bar ear upper end is contained in the biside plate top set by valve pocket right-hand member by screw, bar ear can around screw turns, bar ear lower end is threaded with ball lever, and the ball lever the other end is connected with the nut thread of solid welding on ball float, forms automatic drain valve.The glue of unlatching of the present invention, closedown current is stifled is located at front end, inner nozzle, hydraulic pressure in waterpipe, current, in addition ball float moves up and down with the water surface and passes through leverage, draw, push away glue and make stifled generation of glue close and open stifled aobvious making a concerted effort altogether, this technological scheme is not easy to use, and Safety performance does not reach requirement.
In sum, salvage boat automatic drain valve of the prior art all also exists many defects, and as can be seen here, design invents a kind of of many uses, easy to use, and the salvage boat automatic drain valve that safety coefficient is high necessitates.
Summary of the invention
Object of the present invention, is to overcome above-mentioned limitation, thus provides a kind of easy to use, the salvage boat automatic drain valve that Safety performance is high.
Object of the present invention is achieved through the following technical solutions: a kind of salvage boat automatic drain valve, comprise valve body, valve body comprises upper plate, middle plate and lower plate, upper plate is fixed on the upper surface of salvage boat, through hole is provided with in the middle of upper plate, through hole is provided with string plug, string beyond the Great Wall surface diameter is greater than through-hole diameter, string plug lower surface is connected on middle plate by tow rope, middle plate is provided with piston, piston sleeve is on center pillar, center pillar upper end is connected to upper plate lower surface, center pillar lower surface connects and passes lower plate, spring is provided with between piston and lower plate, spring housing is on center pillar, lower plate lower end is provided with drain opening.
Preferably, upper plate intermediate throughholes diameter is 10 centimetres, and string beyond the Great Wall surface diameter is 15 centimetres.
Preferably, string beyond the Great Wall surface is provided with handle, and string plug lower surface is provided with foam airflow layer.
Preferably, middle plate is hollow structure, and inside hollow structure, rounded edge is provided with seal ring.
Preferably, piston is divided into left half block and right half block.
Preferably, upper plate and middle plate, be provided with block cloth between middle plate and lower plate outer rim.
In sum, salvage boat automatic drain valve of the present invention has the following advantages: easy to use, Safety performance is high.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention;
[0014]number in the figure: plate, 4-lower plate, 5-string plug, 6-piston, 7-center pillar, 8-spring, 9-tow rope, 10-drain opening, 11-handle, 12-foam airflow layer, 13-seal ring, 14-block cloth in 1-valve body, 2-upper plate, 3-.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
A kind of salvage boat automatic drain valve, comprise valve body 1, valve body 1 comprises upper plate 2, middle plate 3 and lower plate 4, upper plate 2 is fixed on the upper surface of salvage boat, through hole is provided with in the middle of upper plate 2, through hole is provided with string plug 5, string plug 5 upper surface diameter is greater than through-hole diameter, string plug 5 lower surface is connected on middle plate 3 by tow rope 9, middle plate 3 is provided with piston 6, piston 6 is enclosed within center pillar 7, center pillar 7 upper end is connected to upper plate 2 lower surface, center pillar 7 lower surface connects and passes lower plate 4, spring 8 is provided with between piston 6 and lower plate 4, spring 8 is enclosed within center pillar 7, lower plate 4 lower end is provided with drain opening 10.
Upper plate 2 intermediate throughholes diameter is 10 centimetres, and string plug 5 upper surface diameter is 15 centimetres.
String plug 5 upper surface is provided with handle 11, and string plug 5 lower surface is provided with foam airflow layer 12.
Middle plate 3 is hollow structure, and inside hollow structure, rounded edge is provided with seal ring 13.
Piston 6 is divided into left half block and right half block.
Upper plate 2 and middle plate 3, between middle plate 3 and lower plate 4 outer rim, be provided with block cloth 14.
Concrete using method is for working as salvage boat in motion, if run into water inlet in fortuitous event or urgency hull, when water overflows to string plug 5, string plug 5 floats, through hole is provided with because of in the middle of upper plate 2, then current flow into automatic drain valve from through hole, because upper plate 2 intermediate throughholes diameter is 10 centimetres, so very large pressure can be produced current are fashionable, so huge pressure is pressed on middle plate 3, also be pressed on piston 6 simultaneously, by piston 6 to pressing down, now current are by middle plate 3, flow to lower plate 4, drain opening 10 through lower plate 4 place is discharged, to increase current pressure, upper plate 2 intermediate throughholes diameter can be reduced, string plug 5 upper surface diameter also can and then increase or reduce simultaneously, but be greater than upper plate 2 intermediate throughholes diameter all the time.
String plug 5 upper surface is provided with handle 11, when current enough do not make string plug 5 float, manually can pull handle and 11 to float to make string plug 5, make current flow into automatic drain valve, and string plug 5 lower surface is provided with foam airflow layer 12, foam airflow layer 12 can assist string plug 5 to float.
When water is about to drain clean, the pressure be pressed on piston 6 reduces, now the spring of piston 6 lower end starts to play a role, plate 3 in piston 6 upwards being carried close, the string plug 5 of upper plate 2 also sets back simultaneously, and the inside edge of middle plate 3 is provided with seal ring 13 to improve the seal between piston 6 and middle plate 3.
Piston 6 is divided into left half block and half block again, when current are not very much anxious, can half part be only had to decline by control piston 6, once control water velocity.
At upper plate 2 and middle plate 3, between middle plate 3 and lower plate 4 outer rim, be provided with block cloth 14, upper plate 2 is fixed on salvage boat upper surface, middle plate 3 is in the arbitrary position under salvage boat upper surface, lower plate 4 is in the arbitrary position on salvage boat lower surface, now flow to other positions of salvage boat inside to place current, what can make smooth in water flow flows to drain opening 10 place.
In sum, salvage boat automatic drain valve of the present invention has the following advantages: easy to use, Safety performance is high.

Claims (6)

1. a salvage boat automatic drain valve, comprise valve body (1), it is characterized in that: described valve body (1) comprises upper plate (2), middle plate (3) and lower plate (4), described upper plate (2) is fixed on the upper surface of salvage boat, through hole is provided with in the middle of upper plate (2), through hole is provided with string plug (5), described string plug (5) upper surface diameter is greater than through-hole diameter, string plug (5) lower surface is connected on middle plate (3) by tow rope (9), described middle plate (3) is provided with piston (6), piston (6) is enclosed within center pillar (7), described center pillar (7) upper end is connected to upper plate (2) lower surface, center pillar (7) lower surface connects and passes lower plate (4), spring (8) is provided with between described piston (6) and lower plate (4), spring (8) is enclosed within center pillar (7), described lower plate (4) lower end is provided with drain opening (10).
2. a kind of salvage boat automatic drain valve according to claim 1, is characterized in that: described upper plate (2) intermediate throughholes diameter is 10 centimetres, and described string plug (5) upper surface diameter is 15 centimetres.
3. a kind of salvage boat automatic drain valve according to claim 1, is characterized in that: described string plug (5) upper surface is provided with handle (11), and string plug (5) lower surface is provided with foam airflow layer (12).
4. a kind of salvage boat automatic drain valve according to claim 1, is characterized in that: described middle plate (3) is hollow structure, and inside described hollow structure, rounded edge is provided with seal ring (13).
5. a kind of salvage boat automatic drain valve according to claim 1, is characterized in that: described piston (6) is divided into left half block and right half block.
6. a kind of salvage boat automatic drain valve according to claim 1, is characterized in that: described upper plate (2) and middle plate (3), be provided with block cloth (14) between middle plate (3) and lower plate (4) outer rim.
CN201410569277.6A 2014-10-23 2014-10-23 Lifeboat automatic drain valve Active CN104358903B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410569277.6A CN104358903B (en) 2014-10-23 2014-10-23 Lifeboat automatic drain valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410569277.6A CN104358903B (en) 2014-10-23 2014-10-23 Lifeboat automatic drain valve

Publications (2)

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CN104358903A true CN104358903A (en) 2015-02-18
CN104358903B CN104358903B (en) 2016-11-02

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Application Number Title Priority Date Filing Date
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2067250U (en) * 1990-04-24 1990-12-12 张鸿翎 Leak stopping caldron for vessels
EP0678267A1 (en) * 1994-04-19 1995-10-25 Moulinex S.A. Boiler for coffee machine of the "espresso" type
CN2668498Y (en) * 2003-11-21 2005-01-05 刘振强 Rapid flood-restraining vessel
CN2723788Y (en) * 2004-06-24 2005-09-07 赵鹤鸣 Pneuamtic balance automatic control valve
CN202493735U (en) * 2012-01-01 2012-10-17 徐淑波 Water heater automatic antifreezing thermostatic valve
CN102979935A (en) * 2012-11-22 2013-03-20 广东新宝电器股份有限公司 automatic pressure relief valve
CN103122821A (en) * 2012-10-13 2013-05-29 陈振 Sea wave swing power generation method by using retired steam locomotive as mechanical power
CN204164451U (en) * 2014-10-23 2015-02-18 南通市海鸥救生防护用品有限公司 Salvage boat automatic drain valve

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2067250U (en) * 1990-04-24 1990-12-12 张鸿翎 Leak stopping caldron for vessels
EP0678267A1 (en) * 1994-04-19 1995-10-25 Moulinex S.A. Boiler for coffee machine of the "espresso" type
CN2668498Y (en) * 2003-11-21 2005-01-05 刘振强 Rapid flood-restraining vessel
CN2723788Y (en) * 2004-06-24 2005-09-07 赵鹤鸣 Pneuamtic balance automatic control valve
CN202493735U (en) * 2012-01-01 2012-10-17 徐淑波 Water heater automatic antifreezing thermostatic valve
CN103122821A (en) * 2012-10-13 2013-05-29 陈振 Sea wave swing power generation method by using retired steam locomotive as mechanical power
CN102979935A (en) * 2012-11-22 2013-03-20 广东新宝电器股份有限公司 automatic pressure relief valve
CN204164451U (en) * 2014-10-23 2015-02-18 南通市海鸥救生防护用品有限公司 Salvage boat automatic drain valve

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