CN205173607U - Gas cut -off valve cuts off trigger device - Google Patents
Gas cut -off valve cuts off trigger device Download PDFInfo
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- CN205173607U CN205173607U CN201520812609.9U CN201520812609U CN205173607U CN 205173607 U CN205173607 U CN 205173607U CN 201520812609 U CN201520812609 U CN 201520812609U CN 205173607 U CN205173607 U CN 205173607U
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- set screw
- screw nut
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- regulation spring
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Abstract
The utility model discloses a gas cut -off valve cuts off trigger device belongs to the gas engineering field. A fixation nut establishes in last top cap the top among the the device, and the involucra level is established in last top cap and valve body junction down, and the tray is established in the involucra top, and a regulating spring is vertical to be established between a fixation nut and tray, and the center pin passes a regulating spring, and establish in the middle part of the involucra upper end, and the lower extreme is established and is linked the board right -hand member in the transmission, the 2nd fixation nut establishes in last connecting portion tops, smallly is connected with the 2nd fixation nut and transmission shaft in a regulating spring 4 -8 the 2nd regulating spring both ends doubly, establish in transmission even board left end the transmission shaft upper end, and the lower extreme passes the 2nd regulating spring and is connected with the steel ball. The involucra produces the elastic displacement of vertical orientation, drives the center pin up -and -down motion, moves the transmission shaft up -and -down motion through transmission even slab band, makes the steel ball break away from or block income and cuts off the ball groove on the valve rod, makes and cuts off valve rod horizontal slip in first cavity to gas cut -off valve is closed or opened.
Description
Technical field
The utility model relates to gas works field, and particularly a kind of gas cut off valve cuts off flip flop equipment.
Background technique
Fuel gas pipeline is the pipeline of the inflammable gass such as transport gas, when there being combustible gas leakage in fuel gas pipeline, needing to close main air-supplying valve in time, cutting off fuel gas supply.Gas cut off valve is a kind of explosion-proof type valve be arranged in fuel gas pipeline, and it can be closed automatically when the gaseous-pressure in fuel gas pipeline downstream is excessive, cuts off fuel gas supply, controls gas leakage, the safety of protection fuel gas pipeline.So, be necessary to provide a kind of gas cut off valve to cut off flip flop equipment.
Prior art provides a kind of gas cut off valve and cuts off flip flop equipment, comprising: signal element, sense cell, load elements, functional element and go along with sb. to guard him element.Wherein, functional element comprises steel ball, central shaft and cut-out valve rod, and steel ball card is at central shaft and cut off between valve rod.When gas cut off valve cuts off that gaseous-pressure is excessive in flip flop equipment, central shaft can move up under the drive of sense cell and load elements, makes steel ball depart from former draw-in groove, enters in the groove at central shaft place, thus cut-out valve rod is ejected, closedown fuel gas path.
Designer finds that prior art at least exists following technical problem:
The gas cut off valve that prior art provides cuts off flip flop equipment, and its central shaft poor sensitivity, makes it can not cut off fuel gas supply in time when gaseous-pressure is excessive, cause potential safety hazard.
Model utility content
The utility model embodiment technical problem to be solved is, provide a kind of highly sensitive, and the gas cut off valve that can cut off fuel gas supply when gaseous-pressure is excessive in time cuts off flip flop equipment.Concrete technological scheme is as follows:
The utility model embodiment provides a kind of gas cut off valve and cuts off flip flop equipment, comprising: the sealing cover connected in turn, upper top cover and lower valve body; Described lower valve body comprises joint, lower support portion and to be connected the first cavity formed by described upper joint and described lower support portion, formation second cavity and described upper top cover and described upper joint are connected; Described cut-out flip flop equipment also comprises: be positioned at the first set screw nut of described second cavity, the first Regulation spring, central shaft, pallet, epithelium and transmission connecting plate, through the transmission shaft of described upper joint, the second set screw nut, the second Regulation spring and steel ball, be positioned at the cut-out valve rod of described first cavity; The volume of described first Regulation spring is 4-8 times of described second Regulation spring volume;
Described first set screw nut is fixed on the top in described upper top cover, described epithelium is horizontally fixed on the joint of described upper top cover and described lower valve body, described pallet is fixed on above described epithelium, described first Regulation spring is vertically fixed between described first set screw nut and described pallet, described central shaft is through described first Regulation spring, upper end is fixed in the middle part of described epithelium, and described transmission connecting plate right-hand member is fixed in lower end; Described second set screw nut is fixed on above described upper joint, and the two ends of described second Regulation spring are connected with the below of described second set screw nut and described transmission shaft respectively; Described transmission connecting plate left end is fixed in the upper end of described transmission shaft, and lower end is connected with described steel ball through after described second Regulation spring; Described cut-out valve rod level is slidably located in described first cavity, and top is provided with the ball groove for holding described steel ball;
Described epithelium can produce the elastic displacement of vertical direction, described central shaft is driven to move up and down, and then drive described transmission shaft to move up and down by described transmission connecting plate, and then the ball groove making described steel ball depart from or snap on described cut-out valve rod, and then described cut-out valve rod is horizontally slipped in described first cavity, to close or to open gas cut off valve.
Particularly, as preferably, described device also comprises the 3rd set screw nut and the 4th set screw nut; By described 3rd set screw nut, make described epithelium, described pallet is fixedly connected with described central shaft; By described 4th set screw nut, described transmission connecting plate is fixedly connected with described transmission shaft.
Particularly, as preferably, described cut-out valve rod comprises the body of rod, the 5th set screw nut, the 3rd Regulation spring and flap.Described 5th set screw nut is fixed on the left end of described first cavity, and described flap is fixed on the left end of the described body of rod, and described 3rd Regulation spring is positioned at described first containment portion, and two ends connect described 5th set screw nut and described flap respectively.
Particularly, as preferably, described device also comprises the first seal ring and the second seal ring; Described first seal ring is arranged in the groove of described transmission shaft bottom; Described second seal ring is arranged on the joint of described 5th set screw nut and described first cavity.
Particularly, as preferably, described device also comprises pull bar, the elasticity draw piece that described pull bar comprises body, is horizontally set on the 3rd cavity in the middle part of described body and is arranged in described 3rd cavity, and described 3rd cavity and described elasticity draw piece are sealed and matched.Described body is fixed on the right-hand member in described lower support portion, and described elasticity draw piece is connected with the described body of rod, and by the pulling force effect of described elasticity draw piece, the described body of rod can move left and right in described 3rd cavity.
Particularly, as preferably, the right-hand member of described upper joint is provided with fuel gas inlet.
Particularly, as preferably, described device also comprises adjusting screw, and be arranged in described upper joint, upper end contacts with the lower end of described central shaft height adjustable.
Particularly, as preferably, the joint of described transmission connecting plate and described transmission shaft is provided with the rotating shaft of fore-and-aft direction, and described rotating shaft is fixed in described upper joint, and described transmission connecting plate can along described axis of rotation.
The beneficial effect that the technological scheme that the utility model embodiment provides is brought is:
The gas cut off valve that the utility model embodiment provides cuts off flip flop equipment, by setting up transmission connecting plate in lower valve body, transmission shaft and the second Regulation spring, by the gearing of transmission connecting plate, make transmission shaft can keep synchronous axial motion with central shaft, make that stressed parts are directly executed to steel ball and change transmission shaft into from central shaft, thus reaction when making transmission shaft too high to gaseous-pressure is sensitiveer, and then when gaseous-pressure is excessive, central shaft moves upward, and drive transmission shaft to move upward thereupon, because the volume of the second Regulation spring is much smaller than the volume of the first Regulation spring, can under the prerequisite of the pretightening force of reduction first Regulation spring, steel ball is made to depart from the ball groove cut off on valve rod in time delicately, and then make cut-out valve rod under high pressure to left movement, cut off fuel gas path, ensure the safety of fuel gas path.Visible, the gas cut off valve that the utility model embodiment provides cuts off flip flop equipment, highly sensitive, can cut off fuel gas supply in time when gaseous-pressure is excessive, and its structure is simple, is convenient to large-scale promotion application.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the gas cut off valve cut-out flip flop equipment that the utility model embodiment provides;
Fig. 2 is the structural representation of the transmission connecting plate that the another embodiment of the utility model provides.
Reference character represents respectively:
1 sealing cover;
2 upper top covers;
3 times valve bodies;
Joint on 301;
302 lower support portions;
4 first cavitys;
5 second cavitys;
6 first set screw nuts;
7 first Regulation springs;
8 central shafts;
9 pallets;
10 epitheliums;
11 transmission connecting plates;
1101U shape groove;
1102 through holes;
1103 rotating shafts;
12 transmission shafts;
13 second set screw nuts;
14 second Regulation springs;
15 steel balls;
16 cut off valve rod;
1601 bodies of rod;
1602 the 5th set screw nuts;
1603 the 3rd Regulation springs;
1604 flaps;
1605 ball grooves;
17 the 3rd set screw nuts;
18 the 4th set screw nuts;
19 pull bars;
1901 the 3rd cavitys;
20 fuel gas inlet;
21 adjusting screw.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model mode of execution is described in further detail.
As shown in Figure 1, the utility model embodiment provides a kind of gas cut off valve and cuts off flip flop equipment, comprising: the sealing cover 1 connected in turn, upper top cover 2 and lower valve body 3.Lower valve body 3 comprises joint 301, lower support portion 302 and to be connected the first cavity 4 formed by upper joint 301 and lower support portion 302, formation second cavity 5 and upper top cover 2 and upper joint 301 are connected.This gas cut off valve cuts off flip flop equipment and also comprises: be positioned at the first set screw nut 6, first Regulation spring 7 of the second cavity 5, central shaft 8, pallet 9, epithelium 10 and transmission connecting plate 11, through transmission shaft 12, second set screw nut 13, second Regulation spring 14 and the steel ball 15 of upper joint 301, be positioned at the cut-out valve rod 16 of the first cavity 4.The volume of the first Regulation spring 7 is 4-8 times of the second Regulation spring 14 volume.
First set screw nut 6 is fixed on the top in upper top cover 2, and epithelium 10 is horizontally fixed on the joint of upper top cover 2 and lower valve body 3, and pallet 9 is fixed on above epithelium 10.First Regulation spring 7 is vertically fixed between the first set screw nut 6 and pallet 9, and central shaft 8 is through the first Regulation spring 7, and upper end is fixed in the middle part of epithelium 10, and transmission connecting plate 11 right-hand member is fixed in lower end.Second set screw nut 13 is fixed on above joint 301, and the two ends of the second Regulation spring 14 are connected with the below of the second set screw nut 13 and transmission shaft 12 respectively.Transmission connecting plate 11 left end is fixed in the upper end of transmission shaft 12, and lower end is connected with steel ball 15 through after the second Regulation spring 14.Cut off valve rod 16 level to be slidably located in the first cavity 4, and top is provided with the ball groove 1605 for holding steel ball 15.
Epithelium 10 can produce the elastic displacement of vertical direction, band central shaft 8 moves up and down, and then drive transmission shaft 12 to move up and down by transmission connecting plate 11, and then steel ball 15 is departed from or snaps in the ball groove 1605 cut off on valve rod 16, and then cut-out valve rod 16 is horizontally slipped in the first cavity 4, to close or to open gas cut off valve.
The gas cut off valve that the utility model embodiment provides cuts off flip flop equipment, by setting up transmission connecting plate 11 in lower valve body 3, transmission shaft 12 and the second Regulation spring 14, by the gearing of transmission connecting plate 11, make transmission shaft 12 can keep synchronous axial motion with central shaft 8, make that stressed parts are directly executed to steel ball 15 and change transmission shaft 12 into from central shaft 8, thus reaction when making transmission shaft 12 pairs of gaseous-pressures too high is sensitiveer, and then when gaseous-pressure is excessive, central shaft 8 moves upward, and drive transmission shaft 12 to move upward thereupon, because the volume of the second Regulation spring 14 is much smaller than the volume of the first Regulation spring 7, can under the prerequisite of the pretightening force of reduction first Regulation spring 7, steel ball 15 is made to depart from the ball groove 1605 cut off on valve rod 16 in time delicately, and then make cut-out valve rod 16 when gaseous-pressure is excessive to left movement, cut off fuel gas path, ensure the safety of fuel gas path.Visible, the gas cut off valve that the utility model embodiment provides cuts off flip flop equipment, highly sensitive, can cut off fuel gas supply in time when gaseous-pressure is excessive, and its structure is simple, is convenient to large-scale promotion application.
Particularly, be fixed on the epithelium 10 between upper top cover 2 and lower valve body 3, the second cavity 5 is separated into separate two-part up and down.Can be regulated the pretightening force of the first Regulation spring 7 by the first set screw nut 6, to apply certain load to pallet 9, thus when in lower half portion of the second cavity 5, gaseous-pressure is greater than the pretightening force of the first Regulation spring 7, epithelium 10 just can drive pallet 9 to move up.Equally, can be regulated the pretightening force of the second Regulation spring 14 by the second set screw nut 13, when transmission connecting plate 11 drives transmission shaft 12 to move upward, transmission shaft 12 produces pressure to the second Regulation spring 14, when this pressure is greater than the pretightening force of the second Regulation spring 14, transmission shaft 12 produces displacement upwards, drives steel ball 15 to depart from ball groove 1605.Volume due to the first Regulation spring 7 is 4-8 times of the second Regulation spring 14 volume, simultaneously, the axial length of the first Regulation spring 7 and radial distance are all greater than the second Regulation spring 14, namely the second Regulation spring 14 is thinner less, when its pressure be subject to changes, more easily compression or diastole, thus has higher sensitivity.Therefore, when transmission shaft 12 matches with the second Regulation spring 14, can steel ball 15 be made when gaseous-pressure increases more in time to depart from ball groove 1605, make cut-out valve rod 16 cut off fuel gas path in time.
Particularly, the gas cut off valve that the utility model embodiment provides cuts off flip flop equipment and also comprises the 3rd set screw nut 17 and the 4th set screw nut 18.3rd set screw nut 17 is arranged on above pallet 9, by the 3rd set screw nut 17, makes epithelium 10, pallet 9 is fixedly connected with central shaft 8, be with central shaft 8 and pallet 9 synchronously to move up and down to make epithelium 10.4th set screw nut 18 is arranged on the top of transmission shaft 12, by the 4th set screw nut 18, transmission connecting plate 11 is fixedly connected with transmission shaft 12, drives transmission shaft 12 to move up and down to make transmission connecting plate 11.
Particularly, as shown in Figure 1, cut off valve rod 16 and comprise the body of rod 1601, the 5th set screw nut 1602, the 3rd Regulation spring 1603, flap 1604 and ball groove 1605.5th set screw nut 1602 is fixed on the left end of the first cavity 4, and flap 1604 is fixed on the left end of the body of rod 1601, and it is outside that the 3rd Regulation spring 1603 is positioned at the first cavity 4, and two ends connect the 5th set screw nut 1602 and flap 1604 respectively.When in gas cut off valve cut-out flip flop equipment, gaseous-pressure is excessive, steel ball 15 is from being arranged on above the body of rod 1601, and coordinate in the ball groove 1605 of clamping with steel ball 15 and depart from, the body of rod 1601 is ejected left, now the 3rd Regulation spring 1603 diastole, the fuel gas pipeline on opposite is blocked by flap 1604, cuts off fuel gas supply, ensures the safety of downstream fuel gas pipeline.
Particularly, the gas cut off valve that the utility model embodiment provides cuts off flip flop equipment and also comprises the first seal ring and the second seal ring.First seal ring is arranged in the groove of transmission shaft 12 bottom, is separated in the bottom of the second cavity 5 and the first cavity 4, prevents the gas leakage in the second cavity 5 bottom, affects the sensitivity of whole device.Second seal ring is arranged on the joint of the 5th set screw nut 1602 and the first cavity 4, to make the 5th set screw nut 1602 and lower support portion 302 compact siro spinning technology, prevent from the body of rod 1601 motion cutting off valve rod 16 from the 5th set screw nut 1602 is produced to loosen, and affect the motion of the body of rod 1601.
Particularly, the gas cut off valve that the utility model embodiment provides cuts off flip flop equipment and also comprises pull bar 21, pull bar 21 comprises body, is horizontally set on the 3rd cavity 1901 in the middle part of body and the elasticity draw piece that is arranged in the 3rd cavity 1901 vertically, and the 3rd cavity 1901 is sealed and matched with elasticity draw piece, to ensure that the right-hand member cutting off valve rod 16 is in the space of a sealing, thus prevent gas leakage.Body is fixed on the right-hand member in lower support portion 302, and elasticity draw piece is connected with the body of rod 1601, and by the pulling force effect of elasticity draw piece, the body of rod 1601 can move left and right in the 3rd cavity 1901.Because this device only triggers when gaseous-pressure is excessive, so when the gaseous-pressure in the second cavity 5 bottom recovers normal value, cut-out valve rod 16 automatically can not set back and put, therefore, the effect of pull bar 21 manually makes the cut-out valve rod 16 of ejection reset, and makes steel ball 15 again snap in ball groove 1605 simultaneously.
Particularly, upper joint 301 right-hand member of lower valve body 3 is provided with fuel gas inlet 20, by fuel gas inlet 20, is connected the bottom of the second cavity 5 with downstream fuel gas pipeline, to reflect the pressure condition of downstream combustion gas in time.
Particularly, the gas cut off valve that the utility model embodiment provides cuts off flip flop equipment and also comprises adjusting screw 21, be arranged in joint 301 height adjustable, upper end contacts with the lower end of central shaft 8, by regulating the height of adjusting screw 21, to realize being regulated by the pretightening force of central shaft 8 to the first Regulation spring 7.
As shown in Figure 2, the left side of transmission connecting plate 11 is provided with opening U-groove bevel 1101 left, transmission shaft 12 is stuck in this U-groove bevel 1101, the right side of transmission connecting plate 11 is provided with a through hole 1102, during installation, first make central shaft 8 through the through hole 1102 on transmission connecting plate 11, then central shaft 8 is moved right in through hole 1102, by the groove on central shaft 8, central shaft 8 is stuck on transmission connecting plate 11.Transmission connecting plate 11 is also provided with the rotating shaft 1103 of fore-and-aft direction with the joint of transmission shaft 12, and rotating shaft 1103 is fixed in joint 301 simultaneously, and transmission connecting plate 11 can rotate along rotating shaft 1103.In more detail, the gap of 0.8-1.2mm is had between the upper-end surface of transmission connecting plate 11 and the face, upper edge of central shaft 8 upper groove, the gap of 0.8-1.2mm is had between the upper-end surface of transmission connecting plate 11 and the lower end surface of the 4th set screw nut 18, thus ensure that central shaft 8 can drive transmission connecting plate 11, and transmission shaft 12 is driven to move up and down by transmission connecting plate 11.Transmission connecting plate 11 plays the effect of lever, can depart from time on the basis of ball groove 1605 at guarantee steel ball 15, the compression distance of the first Regulation spring 7 is increased, thus less pretightening force can be applied to the first Regulation spring 7, improve the sensitivity of the first Regulation spring 7.Meanwhile, the second Regulation spring 14 is due to small volume own, and sensitivity is higher, can make a response in time to the motion of transmission shaft 12.Therefore, the steel ball 15 that diameter is less can be adopted, if diameter is 2.5-3.5mm, be preferably the steel ball 15 of 3mm (in the gas cut off valve cut-out flip flop equipment that prior art provides, steel ball 15 typically has a diameter from 4-4.5mm), thus improve the sensitivity of whole device.
The gas cut off valve that the utility model embodiment provides cuts off the part that flip flop equipment is gas cut off valve, and its flap 1604 is above the fuel gas pipeline of downstream.When the downstream gaseous-pressure that gas cut off valve cut-out flip flop equipment detects is excessive, namely the bottom gaseous-pressure of the second cavity 5 is excessive, epithelium 10 can be with central shaft 8 to move upward, and drive transmission shaft 12 to move upward by transmission connecting plate 11, thus make steel ball 15 depart from ball groove 1605, cut off valve rod 16 to eject left, cut off fuel gas pipeline.When fuel gas pipeline maintenance is complete, the gaseous-pressure that gas cut off valve cuts off in flip flop equipment recovers normal value, manually need be pulled to the right by pull bar 21, cut-out valve rod 16 is resetted by staff, ensures that gas cut off valve cuts off flip flop equipment and can work next time.
The foregoing is only preferred embodiment of the present utility model; not in order to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. gas cut off valve cuts off a flip flop equipment, comprising: the sealing cover connected in turn, upper top cover and lower valve body; Described lower valve body comprises joint, lower support portion and to be connected the first cavity formed by described upper joint and described lower support portion, formation second cavity and described upper top cover and described upper joint are connected; Described device also comprises: be positioned at the first set screw nut of described second cavity, the first Regulation spring, central shaft, pallet, epithelium and transmission connecting plate, through the transmission shaft of described upper joint, the second set screw nut, the second Regulation spring and steel ball, be positioned at the cut-out valve rod of described first cavity; The volume of described first Regulation spring is 4-8 times of described second Regulation spring volume;
Described first set screw nut is fixed on the top in described upper top cover, described epithelium is horizontally fixed on the joint of described upper top cover and described lower valve body, described pallet is fixed on above described epithelium, described first Regulation spring is vertically fixed between described first set screw nut and described pallet, described central shaft is through described first Regulation spring, upper end is fixed in the middle part of described epithelium, and described transmission connecting plate right-hand member is fixed in lower end; Described second set screw nut is fixed on above described upper joint, and the two ends of described second Regulation spring are connected with the below of described second set screw nut and described transmission shaft respectively; Described transmission connecting plate left end is fixed in the upper end of described transmission shaft, and lower end is connected with described steel ball through after described second Regulation spring; Described cut-out valve rod level is slidably located in described first cavity, and top is provided with the ball groove for holding described steel ball;
Described epithelium can produce the elastic displacement of vertical direction, described central shaft is driven to move up and down, and then drive described transmission shaft to move up and down by described transmission connecting plate, and then the ball groove making described steel ball depart from or snap on described cut-out valve rod, and then described cut-out valve rod is horizontally slipped in described first cavity, to close or to open gas cut off valve.
2. device according to claim 1, is characterized in that, described device also comprises the 3rd set screw nut and the 4th set screw nut;
By described 3rd set screw nut, make described epithelium, described pallet is fixedly connected with described central shaft;
By described 4th set screw nut, described transmission connecting plate is fixedly connected with described transmission shaft.
3. device according to claim 1, is characterized in that, described cut-out valve rod comprises the body of rod, the 5th set screw nut, the 3rd Regulation spring and flap;
Described 5th set screw nut is fixed on the left end of described first cavity, and described flap is fixed on the left end of the described body of rod, and described 3rd Regulation spring is positioned at described first containment portion, and two ends connect described 5th set screw nut and described flap respectively.
4. device according to claim 3, is characterized in that, described device also comprises the first seal ring and the second seal ring;
Described first seal ring is arranged in the groove of described transmission shaft bottom;
Described second seal ring is arranged on the joint of described 5th set screw nut and described first cavity.
5. device according to claim 4, it is characterized in that, described device also comprises pull bar, the elasticity draw piece that described pull bar comprises body, is horizontally set on the 3rd cavity in the middle part of described body and is arranged in described 3rd cavity, and described 3rd cavity and described elasticity draw piece are sealed and matched;
Described body is fixed on the right-hand member in described lower support portion, and described elasticity draw piece is connected with the described body of rod, and by the pulling force effect of described elasticity draw piece, the described body of rod can move left and right in described 3rd cavity.
6. device according to claim 4, is characterized in that, the right-hand member of described upper joint is provided with fuel gas inlet.
7. device according to claim 1, is characterized in that, described device also comprises adjusting screw, and be arranged in described upper joint, upper end contacts with the lower end of described central shaft height adjustable.
8. device according to claim 1, is characterized in that, the joint of described transmission connecting plate and described transmission shaft is provided with the rotating shaft of fore-and-aft direction, and described rotating shaft is fixed in described upper joint, and described transmission connecting plate can along described axis of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520812609.9U CN205173607U (en) | 2015-10-19 | 2015-10-19 | Gas cut -off valve cuts off trigger device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520812609.9U CN205173607U (en) | 2015-10-19 | 2015-10-19 | Gas cut -off valve cuts off trigger device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173607U true CN205173607U (en) | 2016-04-20 |
Family
ID=55737601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520812609.9U Active CN205173607U (en) | 2015-10-19 | 2015-10-19 | Gas cut -off valve cuts off trigger device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173607U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352125A (en) * | 2016-11-18 | 2017-01-25 | 乐山倍创机械制造有限公司 | Independent pressure regulator cut-off valve structure |
| CN106951007A (en) * | 2017-03-01 | 2017-07-14 | 慈溪市奔科巨才五金配件有限责任公司 | A kind of gas pressure regulator, governor |
| CN114754149A (en) * | 2022-02-23 | 2022-07-15 | 宁波博远测控设备有限公司 | Cut-off valve for gas pressure regulator |
-
2015
- 2015-10-19 CN CN201520812609.9U patent/CN205173607U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352125A (en) * | 2016-11-18 | 2017-01-25 | 乐山倍创机械制造有限公司 | Independent pressure regulator cut-off valve structure |
| CN106951007A (en) * | 2017-03-01 | 2017-07-14 | 慈溪市奔科巨才五金配件有限责任公司 | A kind of gas pressure regulator, governor |
| CN114754149A (en) * | 2022-02-23 | 2022-07-15 | 宁波博远测控设备有限公司 | Cut-off valve for gas pressure regulator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102212 No. 1 Changcui Road, Cuicun Town, Changping District, Beijing Patentee after: Beijing Xinfengtai Gas Equipment Co.,Ltd. Address before: 102212 No. 1 Changcui Road, Cuicun Town, Changping District, Beijing Patentee before: BEIJING XINGUANGJIN GAS DEVICE Research Institute |
|
| CP01 | Change in the name or title of a patent holder |