CN104500830B - Gas valve with working state indicating function - Google Patents

Gas valve with working state indicating function Download PDF

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Publication number
CN104500830B
CN104500830B CN201410852624.6A CN201410852624A CN104500830B CN 104500830 B CN104500830 B CN 104500830B CN 201410852624 A CN201410852624 A CN 201410852624A CN 104500830 B CN104500830 B CN 104500830B
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CN
China
Prior art keywords
valve
valve rod
valve body
wiring board
lug
Prior art date
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CN201410852624.6A
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Chinese (zh)
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CN104500830A (en
Inventor
李雪亚
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.)
NINGBO CHAOYANG HOUSEHOLD GAS STOVES CO Ltd
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NINGBO CHAOYANG HOUSEHOLD GAS STOVES CO Ltd
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Priority to CN201410852624.6A priority Critical patent/CN104500830B/en
Publication of CN104500830A publication Critical patent/CN104500830A/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
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

The invention relates to a gas valve with the working state indicting function. The gas valve comprises a valve body, and a valve rod which passes through the valve body; a knob is mounted on the valve rod. The gas valve is characterized in that a circuit board with an LED lamp and a bracket prepared from a nonconductive material are fixed on the valve body; a metal conductive ring is fixed on the lower end surface of the bracket; a conductive sheet which can rotate together with the valve rod sleeves the valve rod; a lug which laterally protrudes is arranged at the side part of the conductive sheet; a through hole through which the conductive sheet passes is formed in the bracket; an opening through which the lug passes is formed in the circumferential wall of the through hole; the lug is aligned to the opening when the valve rod is in the primary state; the lug is staggered to the opening in the whole working state of the valve from downward pressing to deflect; the lug is located below the lower end surface of the bracket and is in conduction contact with the metal conductive ring all the time. According to the gas valve with the working state indicating function, the conductive sheet and the metal conductive ring are in contact or disconnected to control the LED lamp to be on or off; when in use after ignition of the gas valve, an indicator light is on all the time to remind of that a gas appliance is in a working state.

Description

The gas valve of function is indicated with working condition
Technical field
The present invention relates to a kind of gas valve on gas utensil, more particularly to a kind of function is indicated with working condition Gas valve.
Background technology
Gas valve for gas utensil is generally comprised to be provided with the valve body of inlet channel and outlet passageway, valve body and is provided with out There are the valve element and a valve rod of big fire hole and small fire hole, valve rod has the spring in valve body to hold and keep shifting trend.Valve rod Top can be connected with the knob on the stove panel, during use, operable knob and control handle bar, and typically first pressing is revolved Button is simultaneously rotated counterclockwise, you can band movable valve plug is rotated counterclockwise, and makes the fire hole on valve element be connected with the inlet channel in valve body, Now, source of the gas can through inlet channel, outlet passageway and from nozzle spray, for gas utensil use.
Existing gas valve is not provided with the state-indicating function device for being easy to observe, and sees whether gas valve is opened and typically passes through Whether eye observation gas kitchen ranges have flame, represent working condition of the gas valve in combustion gas conducting if any flame, such as do not see Observing flame then represents combustion gas in not turning on state.So during reality use, it is understood that there may be combustion gas is turned on but because certain is former Because the situation of fray-out of flame occurs, erroneous judgement can be thus given people, thinks that gas valve is closed, so as to cause sending out for danger It is raw.
Although there is some gas-cookers safety to indicate function, this device is typically no to be set directly on gas valve, such as The Chinese utility model patent of one Patent No. CN201410240261.0 (notification number is CN104006210A)《Gas valve gate-shaped State indicator》Such a structure, including cabinet table surface and cupboard door are disclosed, the outer surface on cupboard door top is fixed LED and referred to Show lamp, cupboard door is built-in with burnt gas valve, in the inboard fixed strong magnets in valve handle top, the air inlet pipe below burnt gas valve On be fixed with female bracket, tongue tube is fixed on female bracket top, and female bracket is fixedly arranged in the middle of battery and resistance.Display lamp leads to Resistance and tongue tube connection battery are crossed, after gas lockout valve, with valve into 90 degree of right angles, strong magnets do not connect valve handle Tactile tongue tube, LED light do not work.After burnt gas valve is opened, valve handle and valve in line, at this moment strong magnets pair Quasi- reed switch conduction, LED light are bright, represent that burnt gas valve has already turned on, and can use combustion gas, if disposable gas are forgotten to close valve Door, LED light just light yellow always, reminds people to close valve, the generation averted a calamity with this.
Such as the Chinese utility model patent of Patent No. ZL201320176873.9 (notification number is CN203286598U) 《Gas-cooker with green indicating lamp》Disclose such a structure, including glass panel of stove, gas valve, igniter and heat Galvanic couple flame sensor, has valve rod to stretch out hole on glass panel of stove, gas valve includes valve rod;Also include a single-chip microcomputer, fine motion Switch and display lamp, the single-chip microcomputer are connected with thermocouple flame sensor, and microswitch is connected with single-chip microcomputer and display lamp;Valve Driving lever is provided with bar, driving lever is coordinated with the spring bearer plate of microswitch;The display lamp is curved to be arranged on kitchen range glass surface Valve rod on the lower surface of plate and on the glass panel of stove stretches out hole.The structure as adopting, the lower valve rod suitable pressed Hour hands rotate, and while ignition electrode is lighted a fire, microswitch conducting, display lamp are bright, point out gas valve to open;Thermocouple flame When induction apparatuss are sensed less than flame, the switch module power-off of single-chip microcomputer, display lamp are extinguished, and point out closing gas valve, play safety Reminding effect, is conducive to eliminating safe hidden trouble.
Existing safety indicating structure needs to arrange in addition, and structure is complex, high cost.
The content of the invention
The technical problem to be solved is to provide a kind of preferable with gas valve for above-mentioned state of the art The gas valve of function is combined together and indicates with working condition, the gas valve can effectively indicate whether gas valve is in and open Unblank gaseity, and it is simple and reasonable.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for:A kind of combustion that function is indicated with working condition Air valve, including valve body and the valve rod being located on valve body, are provided with knob on valve rod;It is characterized in that:It is fixed on the valve body There is the wiring board with LED and with support made by non-conductive material;The lower surface of the support is fixed with metallic conduction ring; The conducting strip that can be rotated with valve rod is arranged with valve rod, conducting strip sidepiece has the convex lug in side, is provided with support for leading The perforation that electric piece is passed through, is provided with the opening passed through for lug on the perisporium of perforation;In valve rod under original state, the lug Alignment opening, in depressed stem and in the whole working condition of deflection, the lug and opening offset, and lug is positioned at support Below lower surface and simultaneously all the time with metallic conduction ring conducting contact.
One pole of above-mentioned wiring board is turned on valve body, and another pole of wiring board is turned on a pole of battery, metallic conduction ring With another pole conducting of battery, conducting strip is by valve rod and valve body conducting.Above for wiring board, metallic conduction ring, conducting strip such as What forms a kind of version of path with battery, and alternate manner conducting is may also be employed certainly between them.
Used as improvement, above-mentioned conducting strip can be along the upper and lower sliding of valve rod, and being fixed with valve rod carries out upper limit to conducting strip Catch spring, being also arranged with valve rod makes conducting strip keep moving the spring of trend.
Conducting strip energy sliding up and down, and trend is moved on keeping under the action of the spring, so can ensure that in the whole of gas valve In the course of work, conducting strip can keep contacting with metallic conduction ring all the time, that is, ensure that the whole work process LED of gas valve begins It is lit eventually, spring can play a part of to compensate gap, and can simplify the matching requirements between each part.Certainly directly by conduction Piece is fixed with valve rod, can also realize that conducting strip is connect with metallic conduction ring all the time by the contained spring of valve rod is acted in valve body Touch, but which is very high to matching requirements.
Spring base is arranged with above-mentioned valve rod, the lower end of spring base is resisted against on the upper surface of valve body, under the spring End is held on spring base, and the upper end of spring is held in conducting strip lower surface.
The foot section that above-mentioned support has planar portions and extends downwardly positioned at both sides below planar portions, has screw to pass through leg Fix with valve body behind portion.Supporting structure advantages of simple, by the support of foot section, it is ensured that between planar portions and valve body upper surface There is certain gap, to ensure conducting strip in its intrinsic deflection.
In a ring, centre bore of the valve rod through wiring board, the screw sequentially pass through foot section and circuit to above-mentioned wiring board Fixed with valve body after plate again.Wiring board realizes the fixation with valve body by aforementioned screw, without the need for the fixation for additionally arranging wiring board Part, simplifies structure.
The upper surface of above-mentioned valve body has the boss portion of profile and the centre bore matching of wiring board, and the boss portion is embedded in line In the centre bore of road plate.Boss portion is provided with impulse to wiring board to wiring board Constrained guide effect.
It is connected with battery by wire for convenience of metallic conduction ring, the side of above-mentioned metallic conduction ring has side convex and stretches out The wire connecting portion of support side, the wire connecting portion is to another pole conducting with battery.
Be fixed with decorated disk on above-mentioned valve body, decorated disk has inner fovea part, wiring board is located in inner fovea part, the knob by Transparent material is made, and such light passes through and illuminate whole knob from inside knob, and more attractive, indicating effect is higher, outside knob The profile of inner fovea part described in shape matches.Decorated disk plays decoration function, and gas valve is installed to after gas-cooker, and cosmetic sheet is located at combustion On the table top of gas kitchen, the spacing between knob and the table top of gas-cooker can be eliminated.
Compared with prior art, it is an advantage of the current invention that:Whether realized by conducting strip contact with metallic conduction ring On-off control to LED, during gas valve use after firing, has display lamp light yellow, all the time to point out at gas utensil In use state, user gas utensil can not only be pointed out in running order, moreover it is possible to strengthen sight when gas utensil is used.
Description of the drawings
Dimensional structure diagrams of the Fig. 1 for the embodiment of the present invention;
Fig. 2 removes the dimensional structure diagram (gas valve is in original state) of knob for the embodiment of the present invention;
Sectional views of the Fig. 3 for the embodiment of the present invention (gas valve is in original state)
Fig. 4 removes the dimensional structure diagram (gas valve is in running order) of knob for the embodiment of the present invention;
Sectional views of the Fig. 5 for the embodiment of the present invention (gas valve is in running order);
Three-dimensional exploded views of the Fig. 6 for the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figs. 1 to 6, it is a preferred embodiment of the present invention.
A kind of gas valve that function is indicated with working condition, including valve body 1 and the valve rod 2 being located on valve body 1, valve rod The knob 4 for driving valve rod 2 to rotate is installed on 2.As complete gas valve, valve element is provided with valve body and valve rod is acted on Support spring.Concrete structure inside gas valve refers to existing various gas valves.
The wiring board 3 with LED 31 is fixed with valve body 1 and with support 5 made by non-conductive material, wiring board 3 One pole is turned on valve body 1, wiring board 3 in a ring, centre bore of the valve rod 2 through wiring board 3, another pole of wiring board 3 to The one pole conducting of battery, battery is external part, without display in drawing.Support 5 has planar portions 51 and is located at planar portions The foot section 52 that 51 lower sections both sides extend downwardly, has screw 10 to consolidate with valve body 1 after sequentially passing through foot section 52 and wiring board 3 again It is fixed.The upper surface of valve body 1 has the boss portion 11 of profile and the centre bore matching of wiring board 3, and boss portion 11 is embedded in wiring board 3 In centre bore.
51 lower surface of planar portions of support 5 is fixed with metallic conduction ring 6, and metallic conduction ring 6 is to another pole with battery Conducting;The side of metallic conduction ring 6 has side convex and stretches out the wire connecting portion 61 of 5 side of support, the wire connecting portion 61 to battery The conducting of another pole.
The conducting strip 7 that can be rotated with valve rod 2 is arranged with valve rod 2, while conducting strip 7 can also glide along valve rod 2 Move, conducting strip 7 is turned on valve body 1 by valve rod 2, and be fixed with valve rod 2 carries out the catch spring 21 of upper limit, valve rod 2 to conducting strip 7 On be also arranged with make conducting strip 7 keep on move trend spring 8.Spring base 22 is arranged with valve rod 2, the lower end of spring base 22 is supported Lean against on 11 upper surface of boss portion of valve body 1, the lower end of spring 8 is held on spring base 22, and the upper end of spring 8 is held in conduction 7 lower surface of piece.
7 sidepiece of conducting strip has the convex lug 71 in side, and the perforation 511 passed through for conducting strip 7, perforation 511 are provided with support 5 Perisporium on be provided with the opening 512 passed through for lug 71;In valve rod 2 under original state, the alignment of lug 71 opening 512, In the whole working condition that valve rod 2 is pushed and deflected, lug 71 is misplaced with opening 512, and lug 71 is located at the lower surface of support 5 Lower section and simultaneously all the time with 6 conducting contact of metallic conduction ring.
Decorated disk 9 is fixed with valve body 1, decorated disk 9 has inner fovea part 91, and wiring board 3 is located in inner fovea part 91, knob 4 It is made up of transparent material, the profile of inner fovea part 91 described in the profile of knob 4 matches.
During use, during use, the positive pole of external connection battery is connected with the wire connecting portion 61 of metallic conduction ring 6 by wire, electricity The negative pole in pond is realized turning on conducting strip 7 by valve body 1.
As shown in Figure 2,3, in an initial condition, i.e., gas valve is in the closing shape of obstructed combustion gas to the valve rod in gas valve State, at this moment the lug 71 of conducting strip 7 be aligned with the opening 512 of support 5, such conducting strip 7 spring 8 effect under, conducting strip 7 is whole Body just may pass upwardly through the perforation 511 of support 5, and conducting strip 7 is disconnected with the metallic conduction ring 6 in support 5, LED 31 it is whole Circuit is in off state, and LED 31 does not light.
As shown in Figure 4,5, in gas valve depressed stem is simultaneously gone under working condition, i.e. gas valve opening in logical combustion gas Open state, lug 71 is misplaced with opening 512, and lug 71 be located at below the lower surface of support 5 and simultaneously all the time with metallic conduction 6 conducting contact of ring, the whole circuit of LED 31 are in channel status, and LED 31 lights, and illuminates whole knob 4, point out to use Person's gas utensil is in running order, moreover it is possible to strengthen sight when gas utensil is used.
Although the preferred embodiments of the present invention described in detail above, it is to be clearly understood that for this area Technical staff for, the present invention can have various modifications and variations.It is all made within the spirit and principles in the present invention appoint What modification, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (9)

1. a kind of gas valve that function is indicated with working condition, including valve body (1) and the valve rod (2) being located on valve body (1), Knob (4) is installed on valve rod (2);It is characterized in that:The wiring board with LED (31) (3) is fixed with the valve body (1) And with support (5) made by non-conductive material;The lower surface of the support (5) is fixed with metallic conduction ring (6);The valve rod (2) conducting strip (7) that can be rotated with valve rod (2) is arranged with, the lug (71) that conducting strip (7) sidepiece has side convex is propped up The perforation (511) passed through for conducting strip (7) is provided with frame (5), is provided with for opening that lug (71) is passed through on the perisporium of perforation (511) Mouth (512);In valve rod (2) under original state, the lug (71) alignment opening (512) is pushed and is deflected in valve rod (2) Whole working condition in, the lug (71) and opening (512) misplace, and lug (71) is under the lower surface of support (5) Side and simultaneously all the time with metallic conduction ring (6) conducting contact.
2. it is according to claim 1 with working condition indicate function gas valve, it is characterised in that:The wiring board (3) a pole and valve body (1) conducting, another pole of wiring board (3) and the pole conducting of battery, metallic conduction ring (6) and battery The conducting of another pole, conducting strip (7) turned on valve body (1) by valve rod (2).
3. it is according to claim 1 and 2 with working condition indicate function gas valve, it is characterised in that:The conduction Piece (7) can be along valve rod (2) sliding up and down, and be fixed with valve rod (2) carries out the catch spring (21) of upper limit, valve rod to conducting strip (7) (2) spring (8) for making that trend is moved in conducting strip (7) holding is also arranged with.
4. it is according to claim 3 with working condition indicate function gas valve, it is characterised in that:The valve rod (2) On be arranged with spring base (22), the lower end of spring base (22) is resisted against on the upper surface of valve body (1), the lower end of the spring (8) Hold on spring base (22), the upper end of spring (8) is held in conducting strip (7) lower surface.
5. it is according to claim 1 and 2 with working condition indicate function gas valve, it is characterised in that:The support (5) foot section (52) extended downwardly with planar portions (51) and positioned at both sides below planar portions (51), has screw (10) to pass through Foot section (52) is fixed with valve body (1) afterwards.
6. it is according to claim 5 with working condition indicate function gas valve, it is characterised in that:The wiring board (3) in a ring, centre bore of the valve rod (2) through wiring board (3), the screw (10) sequentially pass through foot section (52) and wiring board (3) it is fixed with valve body (1) again after.
7. it is according to claim 6 with working condition indicate function gas valve, it is characterised in that:The valve body (1) Upper surface there is the boss portion (11) that the centre bore of profile and wiring board (3) matches, the boss portion (11) is embedded in wiring board (3) in centre bore.
8. it is according to claim 2 with working condition indicate function gas valve, it is characterised in that:The metallic conduction The side of ring (6) has side convex and stretches out the wire connecting portion (61) of support (5) side, and the wire connecting portion (61) is to another with battery Pole turns on.
9. it is according to claim 1 with working condition indicate function gas valve, it is characterised in that:The valve body (1) On be fixed with decorated disk (9), with inner fovea part (91), the wiring board (3) is in inner fovea part (91), described for decorated disk (9) Knob (4) is made up of transparent material, and the profile of inner fovea part (91) described in the profile of knob (4) matches.
CN201410852624.6A 2014-12-31 2014-12-31 Gas valve with working state indicating function Active CN104500830B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN104500830B true CN104500830B (en) 2017-04-26

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CN106322257A (en) * 2016-08-31 2017-01-11 吴华琴 Novel panel lamp structure
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US11486574B2 (en) 2020-12-04 2022-11-01 Midea Group Co., Ltd. Gas cooking appliance with ignition position indicator
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US9605852B2 (en) * 2013-01-30 2017-03-28 Matthew L Porraro Accessory for indicating status of stove burner
CN104006210A (en) * 2014-05-25 2014-08-27 曾欣颐 Gas valve state indicator
CN204459413U (en) * 2014-12-31 2015-07-08 宁波朝阳家用燃气具有限公司 There is the gas valve of working state deixis

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