CN2375836Y - Gas safety controller - Google Patents

Abstract

The utility model discloses a gas memory safe control device. The device forms a gas flow channel in a valve body; a first and a second gas channels are longitudinally arranged in the valve body, and the first and the second gas channels are communicated with the gas flow channel; the top of the first gas channel is provided with a timer, and the interior is provided with a supporting stopper component; the timer can control time that the supporting stopper component occludes the first gas channel in a time effect mode; the upper section of the second gas channel is provided with a leak-proof component capable of blocking the outleakage of gas, and the lower section is provided with an adjusting and control component capable of controlling the size of the flow. The utility model utilizes the timer to control the time that the gas channels effectively keep the smooth flowing, and the leak-proof component timely blocks the continuous gas leak in the course of gas outleakage, and therefore, the utility model has the effect of double safe protection.

Description

Combustion gas memory safety control

The utility model relates to a kind of gas switch, particularly relates to a kind of combustion gas memory safety control with dual safety protection and may command gas flow size.

As shown in Figure 1, this is existing a kind of timing resistance leakage current measuring device, be in a valve body 1, to be formed with a gas flow 2, and on valve body 1 end face, be installed with a timer 3, timer 3 inside are provided with a push rod 4, this push rod 4 can press a guide rod 5 and move down, and makes that the blocking element 6 on the guide rod 5 leaves formed retaining edge 7 on the gas flow 2, and combustion gas can be passed through; Reply when making zero the position when this timer 3 set times, push rod 4 will flick and guide rod 5 be subjected to a spring 8 upwards pushing tow and once more the top fill on retaining edge 7, make gas flow 2 be blocking state; So timer 3 control gaseous runner 2 is effectively kept the length of unobstructed time.Though above-mentioned timing resistance leakage current measuring device can be taken precautions against the stove and accessory switch and leak outside because of carelessness causes combustion gas, and can block automatically behind certain hour,, still there is following shortcoming:

1. though regularly hindering the leakage current measuring device has the control gaseous runner length of 2 unobstructed times, can take precautions against the danger that brings because of careless mistake, but, after starting timer 3, no matter whether the switch of stove and accessory does not close because of careless mistake or do not use, when causing combustion gas to continue to leak outside, this regularly hinders the safety installations that the leakage current measuring device does not but have to hinder automatically leakage when the connecting tube of stove and accessory is damaged, time that must waiting timer 3 just can cut off after walking about and finishing, and goes up and dangerous so use.

2. regularly hinder that leakage current measuring device gas inside runner 2 is designed to fix, it can also be necessarily for amount that combustion gas is passed through, and can't cooperate stove and accessory in different size.

The utility model purpose is to provide a kind of effect with dual safety protection, and the combustion gas of may command gas flow size memory safety control.

The purpose of this utility model is achieved in that a kind of combustion gas memory safety control, comprise that a valve body and is located at the timer on the described valve body, be formed with a gas flow in the valve body, by timer timeliness control gaseous runner, it is characterized in that: described valve body has an internal thread segment at air inlet one end, its inside has vertically provided one first air flue and one second air flue, first, two air flues and gas flow connect, and internal face respectively forms a flange below gas flow, the described first air flue top links timer with a locked assembly, is provided with the rubber membrane of this first air flue top outlet of a sealing between locked assembly and first air flue top; Described combustion gas memory safety control also comprises a leakproof assembly, a regulation and control assembly and a top plug assembly; Described leakproof assembly is located at second air flue top, and be installed with a hollow holders at this second air flue epimere, wear a push rod in this fixed base, the push rod stage casing is arranged with the leak-stopping ring, the affixed pressure cap in top and wear an elastic element, described leakproof assembly is provided with a blocking element below the second air flue inner flange, this blocking element leaks outside Shi Dingsai on the flange of second air flue in combustion gas, and its bottom also is provided with a guide hole; Described regulation and control assembly is arranged on intersegmental part under second air flue, comprise a guide rod, a spiral shell seat and a knob, described spiral shell seat section is the U type and is installed in this second air flue bottom, its bottom surface central authorities have a screw, described guide rod epimere is located in the guide hole of blocking element, the stage casing then is arranged with the leak-stopping ring and conflicts with described spiral shell seat inwall, and its hypomere is a screw rod and extends the screw that passes on the described spiral shell seat that described knob is installed in the guide rod bottom; Described top plug assembly is placed through the described first air flue inside, comprise a push rod, an elastic element and a nut, described nut is installed in first air flue bottom and is closed shape, its inner face central authorities have protruded out a guide groove, described push rod is put on this guide groove, its stage casing has an obstruction piece, and described elastic element is arranged between nut and the obstruction piece bottom.

Above-mentioned combustion gas memory safety control, wherein, described timer is made of a rotating disk that is provided with in a housing and a swing arm, described rotating disk is to rotate via a plurality of meshed transmission gear with a knob driven rotary again, be concaved with certain position short slot on its periphery, the described swing arm one end nose bar that can be embedded in the short slot of described location that is pivoted, other has an extension rod that wears described enclosure interior, conflict on swing arm in this extension rod top, and its bottom is across the mutual contact of rubber membrane and described push rod top.

Above-mentioned combustion gas memory safety control, wherein: described timer housing bottom has an inner bolt hole, described locked assembly comprises one and engages spiral shell seat, a positioning seat and a hold-doun nut, described joint spiral shell seat is installed in first air flue top, its root edge also compresses described rubber membrane, described positioning seat has an external thread section, and the inner bolt hole that wears hold-doun nut and timer housing is spirally connected.

Above-mentioned combustion gas memory safety control, wherein, described blocking element is the cock body made from the rubber material.

Because the utility model has adopted above structure, come the control gaseous runner effectively to keep the length of unobstructed time with timer, continue gas leakage by the blocking-up in good time when combustion gas leaks outside of leakproof assembly, therefore has the effect of dual safety protection, and, regulation and control assembly may command blocking element upper and lower displacement and have control gas flow by the size effect.

Below by most preferred embodiment and accompanying drawing combustion gas memory safety control of the present utility model is elaborated.

Fig. 1 is the existing generalized section that regularly hinders the leakage current measuring device.

Fig. 2 is the schematic perspective view of the utility model preferred embodiment.

Fig. 3 is the not schematic representation during start of the utility model preferred embodiment timer.

Fig. 4 is the schematic representation of the utility model preferred embodiment when having big flow.

Fig. 5 is the schematic representation of the utility model preferred embodiment when having than small flow.

Fig. 6 is the schematic representation of the utility model preferred embodiment when the blocking-up combustion gas leaks outside.

Shown in Fig. 2,3, combustion gas memory safety control of the present utility model comprises a valve body 10 and be provided with a timer 20 on this valve body 10.Be formed with a gas flow 11 for the gas flow warp in the valve body 10, keep the length of unobstructed time by timer 20 timeliness control gaseous runner 11.This combustion gas memory safety control also comprises a leakproof assembly 40, a regulation and control assembly 50 and a top plug assembly 60.

Described valve body 10 is provided with an internal thread segment 12 and can be connected with other pipelines at air inlet one end, its inside has vertically provided one first air flue 13 and one second air flue 14, first and second air flue and gas flow 11 connect, and inner wall surface thereof respectively is formed with an annular flange flange 131,141 in gas flow 11 belows.Connect timer 20 at first air flue, 13 tops with a locked assembly 30, and leakproof assembly 40 is set above second air flue 14, regulation and control assembly 50 is set at second air flue, 14 hypomeres.In the present embodiment, timer 20 has a circular shell 21, and its inside is provided with a rotating disk 22 and a swing arm 23, and is provided with an inner bolt hole 211 in the bottom, and wears housing 21 with an extension rod 24; Rotating disk 22 has via a plurality of gear engagement (figure do not show) transmission by a knob 25 driven rotary again and rotates regularly effect, on its periphery and be concaved with a location short slot 221; Swing arm 23 1 ends are articulated on this housing 21, and have a nose bar 231 that can be embedded in the location short slot 221, and in addition, then conflict on swing arm 23 in extension rod 24 tops; Locked assembly 30 comprises one and engages spiral shell seat 31, a positioning seat 32 and a hold-doun nut 33, engages spiral shell seat 31 and is fixedly arranged on first air flue, 13 tops, and its root edge compresses a packing ring 34 and a rubber membrane 35 and forms sealing to the outlet of first air flue, 13 tops; Positioning seat 32 has an external thread section 321, and it wears hold-doun nut 33 earlier and is spirally connected with housing 21 inner bolt holes 211, then hold-doun nut 33 is fixed in to engage spiral shell seat 31 epimeres; When unclamping hold-doun nut 33, timer 20 can be turned to, and then the nut 33 that is tightened, make timer 20 location.

Described leakproof assembly 40 is that second air flue, 14 epimeres are installed with a hollow holders 41, and in this fixed base 41, wear a push rod 42, these push rod 42 stage casings are arranged with two leak-stopping rings 43, the affixed pressure cap 44 in its top and wear an elastic element 45 (be in the present embodiment be example with a spring); In addition, below second air flue, 14 inner flange 141, be provided with the blocking element 46 that a rubber material is made, the guide hole 461 that its bottom has a degree of depth, this blocking element 46 can push up plug on flange 141 when combustion gas leaks outside, and pressing down pressure cap 44 when driving push rods and pushing away for 42 times, these push rod 42 bottoms can be backed down blocking element 46 and be left flange 141 to recover the unobstructed of gas flow 11.

Described regulation and control assembly 50 is arranged on 14 times intersegmental parts of second air flue, is made of a guide rod 51, a spiral shell seat 52 and a knob 53.Spiral shell seat 52 sections are the U type and are installed in second air flue, 14 bottoms, its bottom surface central authorities have a screw 521, guide rod 51 epimeres are inserted in the guide hole 461 of blocking element 46, the stage casing is arranged with two leak-stopping rings 54 and conflicts with spiral shell seat 52 inwalls, its hypomere is a screw rod 511, spiral shell is located at the screw 521 on the spiral shell seat 52 and is extended and passes, and knob 53 wears with a bolt 55 and is installed in guide rod 51 bottoms.

Described top plug assembly 60 is set in first air flue, 13 inside, is made of a push rod 61, an elastic element 62 and a nut 63.Nut 63 is installed in first air flue, 13 bottoms and is closed shape, its inner face central authorities have protruded out a guide groove 631, push rod 61 bottoms are plugged in the guide groove 631, its top across rubber membrane 35 and with extension rod 24 coaxial settings, its middle section then has a rubber obstruction piece 611, these obstruction piece 611 bottoms are subjected to the pushing tow of elastic element 62, and make obstruction piece 611 tops fill on the flange 131 of first air flue 13, when the extension rod 24 promotion push rods 61 of timer 20 move down, obstruction piece 611 is left flange 131 and is made gas flow 11 recover unobstructed, in the present embodiment, described elastic element 62 is springs.

Cooperate shown in Figure 3, when timer 20 not before the start, push rod 61 was subjected to the pushing tow of elastic element 62 and obstruction piece 611 tops was filled on flange 131 this moment, therefore will form blocked state to gas flow 11, and the nose bar 231 on the while swing arm 23 is card and establishes in the location short slot 221 that falls within rotating disk 22.

Cooperate Fig. 2, shown in 4, when timer 20 start, to make gas flow 11 keep the unobstructed of certain hour, turning knob 25 and cooperate a cue mark 26 and when certain when label 27 and rotation predetermined angle, can drive rotating disk 22 rotations simultaneously, and will be reversed turning at pine oil knob 25 back rotating disks 22, rotate with slow speed by a plurality of gear engagement in inside (figure does not show) transmission simultaneously, at this moment, nose bar 231 on the swing arm 23 will be resisted against on rotating disk 22 outer periphery, make under swing arm 23 formation and put off boom 24, owing to this extension rod 24 and push rod 61 coaxial establishing, so can be across rubber membrane 35 downward penetrator rams 61, make obstruction piece 611 leave flange 131, and make gas flow 11 keep the unobstructed of one period scheduled time, return back to the previous condition position up to rotating disk 22, and nose bar 231 be embedded in the short slot 221 of location once again till and form once more and block (as shown in Figure 3).

The utility model as shown in Figure 4 is to use big gas flow, place that stove and accessory fire larynx is bigger (as the dining room etc.), impel guide rod 51 to move down by rotating knob 53, make the blocking element 46 that is set in guide rod 51 epimeres in company with moving down, and second air flue 14 can be increased for the space that combustion gas is passed through, so can produce bigger flow to adapt to the demand of occasion.

The utility model as shown in Figure 5 be to use have the less place of less gas flow, stove and accessory fire larynx (as house etc.), it is to impel on this guide rod 51 with this turn-button 53 of backward rotation to move, make the blocking element 46 be set in guide rod 51 epimeres rise with it, make blocking element 46 near this flange 141, second air flue 14 can be reduced for the space that combustion gas is passed through, can meet user demand at home so the flow that it produced is less.

As shown in Figure 6, when keeping certain hour by timer 20 control gaseous runner 11 when unobstructed, if combustion gas leaks outside suddenly (the big situation of ambient pressure bust and these valve body 10 internal pressures just), at this moment, blocking elements 46 in second air flue 14 will be subjected to valve body 10 internal high pressure gases from pushing tow down and on move, moved on can be steadily with the spacing of guide rod 51 sheathed relations by guide hole 461, making blocking element 46 can positively push up plug leaks gas to form blocking-up on flange 141, and after combustion gas leaks outside the situation solution, when recovering second air flue 14 unobstructed, can press down pressure cap 44 and drive push rods 42 and back down blocking element 46 and get final product as desire.

In sum, combustion gas memory safety control advantage of the present utility model is tangible:

1. because the utility model has provided first air flue 13 in valve body 10, and be provided with timer 20 is effectively kept the unobstructed time with control gaseous runner 11 length thereon, in addition, has second air flue 14 on the valve body 10, also be provided with leakproof assembly 40 on it, when combustion gas leaks outside situation accidentally, blocking element 46 will be subjected to move and push up on the pushing tow of internal high pressure gas to fill on flange 141, and can reach the purpose that in good time blocking-up combustion gas leaks outside, so, the utility model has more the effectiveness of certain safe leakproof except having regularly effect, its dual safety prevention measure makes combustion gas have more safety guarantee in use.

2. the utility model is provided with regulation and control assembly 50 at second air flue, 14 hypomeres, order about blocking element 46 upper and lower displacements changes by rotating knob 53, increase or reduce and produce the variation of combustion gas to reach the space of impelling second air flue, 14 hypomeres, therefore applicable to the demand of different occasions by the flow size.

The utility model with timer 20 by the affixed of locked assembly 30 and direct first air flue, 13 tops be located at valve body 10 that connect, so after valve body 10 assemblings, pine oil hold-doun nut 33 just can be with timer 20 switching towards the direction of being convenient to inspect in advance, and then timer 20 is located, so the utility model is regulated and control to inspect very convenient in use.

Claims (4)

1. safety control is remembered in a combustion gas, comprise that a valve body and is located at the timer on the described valve body, be formed with a gas flow in the valve body, by timer timeliness control gaseous runner, it is characterized in that: described valve body has an internal thread segment at air inlet one end, its inside has vertically provided one first air flue and one second air flue, first, two air flues and gas flow connect, and internal face respectively forms a flange below gas flow, the described first air flue top links timer with a locked assembly, is provided with the rubber membrane of this first air flue top outlet of a sealing between locked assembly and first air flue top; Described combustion gas memory safety control also comprises a leakproof assembly, a regulation and control assembly and a top plug assembly; Described leakproof assembly is located at second air flue top, and be installed with a hollow holders at this second air flue epimere, wear a push rod in this fixed base, the push rod stage casing is arranged with the leak-stopping ring, the affixed pressure cap in top and wear an elastic element, described leakproof assembly is provided with a blocking element below the second air flue inner flange, this blocking element leaks outside Shi Dingsai on the flange of second air flue in combustion gas, and its bottom also is provided with a guide hole; Described regulation and control assembly is arranged on intersegmental part under second air flue, comprise a guide rod, a spiral shell seat and a knob, described spiral shell seat section is the U type and is installed in this second air flue bottom, its bottom surface central authorities have a screw, described guide rod epimere is located in the guide hole of blocking element, the stage casing then is arranged with the leak-stopping ring and conflicts with described spiral shell seat inwall, and its hypomere is a screw rod and extends the screw that passes on the described spiral shell seat that described knob is installed in the guide rod bottom; Described top plug assembly is placed through the described first air flue inside, comprise a push rod, an elastic element and a nut, described nut is installed in first air flue bottom and is closed shape, its inner face central authorities have protruded out a guide groove, described push rod is put on this guide groove, its stage casing has an obstruction piece, and described elastic element is arranged between nut and the obstruction piece bottom.

2. combustion gas memory safety control as claimed in claim 1, it is characterized in that: described timer is made of a rotating disk that is provided with in a housing and a swing arm, described rotating disk is to rotate via a plurality of meshed transmission gear with a knob driven rotary again, be concaved with certain position short slot on its periphery, the described swing arm one end nose bar that can be embedded in the short slot of described location that is pivoted, other has an extension rod that wears described enclosure interior, conflict on swing arm in this extension rod top, and its bottom is across the mutual contact of rubber membrane and described push rod top.

3. combustion gas memory safety control as claimed in claim 1 or 2, it is characterized in that: described timer housing bottom has an inner bolt hole, described locked assembly comprises one and engages spiral shell seat, a positioning seat and a hold-doun nut, described joint spiral shell seat is installed in first air flue top, its root edge also compresses described rubber membrane, described positioning seat has an external thread section, and the inner bolt hole that wears hold-doun nut and housing is spirally connected.

4. combustion gas memory safety control as claimed in claim 1, it is characterized in that: described blocking element is the cock body made from the rubber material.

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