CN208845802U - A kind of natural gas valve - Google Patents
A kind of natural gas valve Download PDFInfo
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- CN208845802U CN208845802U CN201821560197.4U CN201821560197U CN208845802U CN 208845802 U CN208845802 U CN 208845802U CN 201821560197 U CN201821560197 U CN 201821560197U CN 208845802 U CN208845802 U CN 208845802U
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- natural gas
- fixedly connected
- plate
- annulus
- lead screw
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Abstract
The utility model relates to valve arrangement technical fields, it in particular is a kind of natural gas valve, including natural gas isolated chambers, go up and down sealing device and bindiny mechanism, the beneficial effect is that the pipeline of two sides is inserted into respectively on two connecting cylinders, rotate two fastening nuts, notch there are two being symmetrical arranged on inclined-plane fastening annulus, two fastening nuts will become smaller the diameter that two inclined-planes fasten annulus by notch, the pipeline of two sides can be thus fixedly connected in Liang Ge bindiny mechanism, when needing natural gas to circulate, rotate clockwise hand-operated wheel, hand-operated wheel drives lead screw rotation, the lead screw rotated clockwise can drive lifter plate to carry out moving up movement, the circle number for rotating hand-operated wheel is more, lifter plate will rise higher, the conveying capacity of natural gas is bigger, natural gas can be transmitted to left end from reservoir conduit right end, Natural gas can press against individual event closure plate to the left, and individual event closure plate will squeeze spring.
Description
Technical field
The utility model relates to valve arrangement technical fields, are in particular a kind of natural gas valves.
Background technique
There are a kind of natural gas valve of a Patent No. CN201720612824.3, including valve body, valve rod and valve now
Cap, valve inner both ends offer connection screw thread, and spherical valve core is placed among valve inner, and valve rod is inserted in valve body top
Between, valve rod welds together with spherical valve core, be provided with driving lever and rotary shaft for connection on valve rod, driving lever transverse weld in
Valve rod outer circle two sides, rotary shaft are connected to valve stem top by shaft, and pin shaft and spring for connection are provided in rotary shaft,
The pin shaft longitudinal measure is set in rotary shaft in rotary shaft outer circle two sides, spring pocket, and the bonnet is sheathed in rotary shaft, valve
The elongated through-hole for transmission and U-shaped hole are provided on cap, the elongated through-hole is longitudinally opened in bonnet outer circle two sides, and elongated
Pin shaft is equipped in through-hole, the U-shaped hole is laterally opened in bonnet outer circle two sides of the bottom.But the utility model is not provided with individual event
Conveying device is easy to that natural gas refluence occurs in this way.
Summary of the invention
The utility model relates to valve arrangement technical fields, are in particular a kind of natural gas valve, including natural gas
Isolated chambers, lifting sealing device and bindiny mechanism, the beneficial effect is that the conveying capacity of present apparatus control natural gas, can also prevent
Only natural gas is flow backwards, and bindiny mechanism connect simply with transfer canal, and good airproof performance.
The natural gas isolated chambers include reservoir conduit, empty slot, connection annulus I, connecting plate, connection traveller, spring,
Spacing sliding chamber and individual event closure plate, the centre of reservoir conduit are provided with empty slot, and the both ends of reservoir conduit are fixedly connected to connection circle
Ring I, the both ends of connecting plate, which are fixedly connected with, to be connected the left end of traveller in the left end of reservoir conduit inner surface and is fixedly connected on connection
On plate, spacing sliding chamber is fixedly connected on the left end of reservoir conduit inner surface, and individual event closure plate is inserted in spacing sliding chamber, connection traveller with
Individual event closure plate is slidably connected, and spring is inserted on connection traveller, and the left and right ends of spring are fixed with connecting plate and individual event closure plate respectively
Connection；
The lifting sealing device includes going up and down chamber, lifter plate, spacing block set, lead screw, cover board, bearing and sealing plate,
The lower end of lifting chamber is fixedly connected in empty slot, is gone up and down and is gone up and down sliding slot on chamber there are two settings, and there are two limits for setting on lifter plate
Position convex block, two spacing block sets are slidably connected at respectively in two lifting sliding slots on lifting chamber, and lifter plate is slidably connected at liter
Drop intracavitary, the upper end for going up and down inner cavity surface is fixedly connected with sealing plate, and cover board is fixedly connected on the upper end of lifting chamber, bearing it is outer
Circle is fixedly connected with cover board, and lead screw is fixedly connected with the inner ring of bearing, and lower end and the lifter plate of lead screw are connected through a screw thread, lead screw
Upper end be slidably connected with sealing plate；
The bindiny mechanism includes connecting cylinder, inclined-plane fastening annulus, notch, fastening nut and connection annulus II, is connected
The left end for connecing cylinder is fixedly connected with inclined-plane fastening annulus, and inclined-plane, which fastens, to be symmetrical arranged there are two notch on annulus, fastening nut
It is connected through a screw thread with connecting cylinder, connection annulus II is fixedly connected on the right end of connecting cylinder, and the bindiny mechanism has two
A, two connection annulus II connect annulus I with two respectively and are fixedly connected.
As advanced optimizing for the technical program, lifting sealing device described in a kind of natural gas valve of the utility model
It further include hand-operated wheel, hand-operated wheel is fixedly connected on the upper end of lead screw.
As advanced optimizing for the technical program, lifter plate lower end described in a kind of natural gas valve of the utility model half
Round radius is equal with diameter of a circle in reservoir conduit.
As advanced optimizing for the technical program, the lower end band of lead screw described in a kind of natural gas valve of the utility model
There is screw thread, the upper end of lead screw is smooth cylindrical.
As advanced optimizing for the technical program, set on fastening nut described in a kind of natural gas valve of the utility model
It is equipped with non-slip texture.
A kind of natural gas valve of the utility model has the beneficial effect that
A kind of natural gas valve of the utility model is respectively inserted into the pipeline of two sides on two connecting cylinders, rotates two
Fastening nut, inclined-plane are fastened and are symmetrical arranged on annulus there are two notch, and two fastening nuts will be by notch two inclined-planes
The diameter of fastening annulus becomes smaller, and the pipeline of two sides can be thus fixedly connected in Liang Ge bindiny mechanism, natural when needing
When air-flow leads to, rotate clockwise hand-operated wheel, hand-operated wheel drives lead screw rotation, the lead screw rotated clockwise can drive lifter plate into
Row moves up movement, and the circle number for rotating hand-operated wheel is more, and lifter plate will rise higher, and the conveying capacity of natural gas is bigger, day
Right gas can be transmitted to left end from reservoir conduit right end, and natural gas can press against individual event closure plate to the left, and individual event closure plate will
Spring is squeezed, when individual event closure plate is moved to the left, individual event closure plate is detached from spacing sliding chamber, thus can be smoothly natural
Gas is transmitted in the pipeline of left side, and individual event closure plate can prevent natural gas from flowing backwards, and after naturally running out of air, rotate counterclockwise hand
Wheel, hand-operated wheel drive lead screw to rotate counterclockwise, and the lead screw rotated counterclockwise drives lifter plate to move down, thus memotron
Road is divided into two sections, realizes the effect of valve.
Detailed description of the invention
The utility model is described in more detail with specific implementation method with reference to the accompanying drawing.
Fig. 1 is a kind of structural schematic diagram of natural gas valve of the utility model；
Fig. 2 is natural gas isolated chambers structural schematic diagram；
Fig. 3 is natural gas isolated chambers partial structure diagram；
Fig. 4 is connecting plate, connection traveller, spring, spacing sliding chamber and individual event closure plate the schematic diagram of the section structure；
Fig. 5 is lifting schematic diagram of sealing device；
Fig. 6 is lifting sealing device partial structure diagram one；
Fig. 7 is lifting sealing device partial structure diagram two；
Fig. 8 is cover board and bearing arrangement schematic diagram；
Fig. 9 is bindiny mechanism's structural schematic diagram；
Figure 10 is bindiny mechanism's cross-section profile structural schematic diagram；
Figure 11 is that inclined-plane fastens annulus and gap structure schematic diagram.
In figure: greasy weather right gas isolated chambers 1；Reservoir conduit 1-1；Empty slot 1-2；Connect annulus I1-3；Connecting plate 1-4；Even
Meet traveller 1-5；Spring 1-6；Spacing sliding chamber 1-7；Individual event closure plate 1-8；Go up and down sealing device 2；Go up and down chamber 2-1；Lifter plate 2-2；
Spacing block set 2-3；Lead screw 2-4；Cover board 2-5；Bearing 2-6；Sealing plate 2-7；Hand-operated wheel 2-8；Bindiny mechanism 3；Connecting cylinder 3-
1；Inclined-plane fastens annulus 3-2；Notch 3-3；Fastening nut 3-4；Connect annulus II3-5.
Specific embodiment
Specific embodiment 1:
Illustrate present embodiment below with reference to Fig. 1-11, the utility model relates to valve arrangement technical fields, more specifically
Say it is a kind of natural gas valve, including natural gas isolated chambers 1, lifting sealing device 2 and bindiny mechanism 3, the beneficial effect is that
The pipeline of two sides is inserted into respectively on two connecting cylinder 3-1, two fastening nut 3-4 are rotated, inclined-plane fastens annulus 3-2 Shang couple
Claiming setting, there are two notch 3-3, two fastening nut 3-4 two inclined-planes will be fastened by notch 3-3 the diameter of annulus 3-2
Become smaller, the pipeline of two sides can be thus fixedly connected in Liang Ge bindiny mechanism 3, when needing natural gas to circulate, up time
Needle rotates hand-operated wheel 2-8, and hand-operated wheel 2-8 drives lead screw 2-4 rotation, and the lead screw 2-4 rotated clockwise can drive lifter plate 2-2
It carries out moving up movement, the circle number for rotating hand-operated wheel 2-8 is more, and lifter plate 2-2 will rise higher, the conveying capacity of natural gas
Bigger, natural gas can be transmitted to left end from reservoir conduit 1-1 right end, and natural gas can press against individual event closure plate 1-8 to the left,
Individual event closure plate 1-8 will squeeze spring 1-6, and when individual event closure plate 1-8 is moved to the left, individual event closure plate 1-8 is detached from limit
Sliding chamber 1-7 thus can smoothly be transmitted to natural gas in the pipeline of left side, and individual event closure plate 1-8 can prevent natural gas from flowing backwards,
After naturally running out of air, hand-operated wheel 2-8 is rotated counterclockwise, hand-operated wheel 2-8 drives lead screw 2-4 to rotate counterclockwise, rotates counterclockwise
Lead screw 2-4 drive lifter plate 2-2 move down, reservoir conduit 1-1 is thus divided into two sections, realizes the effect of valve；
The natural gas isolated chambers 1 include reservoir conduit 1-1, empty slot 1-2, connection annulus I1-3, connecting plate 1-4,
Connection traveller 1-5, spring 1-6, spacing sliding chamber 1-7 and individual event closure plate 1-8, the centre of reservoir conduit 1-1 are provided with empty slot 1-2,
Empty slot 1-2 is to provide a fixed space to lifting chamber 2-1, and the both ends of reservoir conduit 1-1 are fixedly connected to connection annulus
I1-3 connect the cooperation of annulus II3-5 by two connection annulus I1-3 with two, can be fixed company, Liang Ge bindiny mechanism 3
It connecing at the both ends of natural gas isolated chambers 1, the both ends of connecting plate 1-4 are fixedly connected in the left end of reservoir conduit 1-1 inner surface,
The effect of connecting plate 1-4 is that a sliding space is provided to connection traveller 1-5, and the left end of connection traveller 1-5 is fixedly connected on company
On fishplate bar 1-4, connection traveller 1-5 can provide a connection space to spring 1-6, and individual event closure plate 1-8 can be in connection traveller
It is slided on 1-5, spacing sliding chamber 1-7 is fixedly connected on the left end of reservoir conduit 1-1 inner surface, and individual event closure plate 1-8 is inserted in limit and slides
In chamber 1-7, when individual event closure plate 1-8 is inserted in spacing sliding chamber 1-7, may be implemented the barrier to natural gas, connection traveller 1-5 with
Individual event closure plate 1-8 is slidably connected, spring 1-6 be inserted in connection traveller 1-5 on, the left and right ends of spring 1-6 respectively with connecting plate 1-4
It is fixedly connected with individual event closure plate 1-8, the left end of spring 1-6 is fixed by connecting plate 1-4, and the right end of spring 1-6 is by individual event closure plate 1-8
Fixed, when the connection of the natural gas on right side, natural gas will generate a thrust to the left, individual event closure plate to individual event closure plate 1-8
1-8 will squeeze spring 1-6, be moved to the left, and when natural gas is not connected to, spring 1-6 can be individual event closure plate 1-8
It is pressed onto spacing sliding chamber 1-7, if there is remaining natural gas in left side, natural gas pushes to the right individual event closure plate 1-8, but in this way
Individual event closure plate 1-8 will not be had an impact, because individual event closure plate 1-8 can only individual event movement；
The lifting sealing device 2 includes lifting chamber 2-1, lifter plate 2-2, spacing block set 2-3, lead screw 2-4, cover board 2-
5, the lower end of bearing 2-6 and sealing plate 2-7, lifting chamber 2-1 are fixedly connected in empty slot 1-2, are gone up and down on chamber 2-1 there are two settings
Sliding slot is gone up and down, there are two spacing block set 2-3, two spacing block set 2-3 to be slidably connected at lifting chamber respectively for setting on lifter plate 2-2
In two lifting sliding slots on 2-1, when two liftings that two spacing block set 2-3 are slidably connected at respectively on lifting chamber 2-1 are slided
When in slot, lifter plate 2-2 can just be limited, such lifter plate 2-2 will be slided up and down smoothly very much, and lifter plate 2-2 is sliding
Dynamic to be connected in lifting chamber 2-1, the upper end of lifting chamber 2-1 inner surface is fixedly connected with sealing plate 2-7, the effect of sealing plate 2-7
It is sealing, such natural gas will not be revealed in the upper end of lifting sealing device 2, and cover board 2-5 is fixedly connected on the upper of lifting chamber 2-1
End, the outer ring of bearing 2-6 are fixedly connected with cover board 2-5, and bearing 2-6 can be limited to lead screw 2-4, allow lead screw 2-4 can only be around certainly
The axis of body rotates, and lead screw 2-4 is fixedly connected with the inner ring of bearing 2-6, the lead screw 2-4 of rotation can drive lifter plate 2-2 into
Row moves up and down, and lower end and the lifter plate 2-2 of lead screw 2-4 is connected through a screw thread, and the upper end of lead screw 2-4 and sealing plate 2-7 are slided
The place of being slidably connected of connection, lead screw 2-4 and sealing plate 2-7 need the processing being sealed, and prevent natural gas leakage；
The bindiny mechanism 3 include connecting cylinder 3-1, inclined-plane fastening annulus 3-2, notch 3-3, fastening nut 3-4 and
Annulus II3-5 is connected, the pipeline of transmission is inserted on connecting cylinder 3-1, and the left end of connecting cylinder 3-1 is fixedly connected with inclined-plane fastening
The effect of annulus 3-2, inclined-plane fastening annulus 3-2 are fixed transfer canals, and inclined-plane, which fastens, is symmetrical arranged that there are two lack on annulus 3-2
Mouthful 3-3 just can change the diameter that inclined-plane fastens annulus 3-2 by two notch 3-3 fastening nut 3-4, fastening nut 3-4 and
Connecting cylinder 3-1 is connected through a screw thread, and connection annulus II3-5 is fixedly connected on the right end of connecting cylinder 3-1, the connection machine
There are two structures 3, and two connection annulus II3-5 connect annulus I1-3 with two respectively and are fixedly connected.
Specific embodiment 2:
Illustrate present embodiment below with reference to Fig. 1-11, present embodiment is described further embodiment one described
Lifting sealing device 2 further includes hand-operated wheel 2-8, and hand-operated wheel 2-8 is fixedly connected on the upper end of lead screw 2-4, and shaking hand-operated wheel 2-8 can
With the drive lead screw 2-4 rotation held very much.
Specific embodiment 3:
Illustrate present embodiment below with reference to Fig. 1-11, present embodiment is described further embodiment one described
The radius of the lower end lifter plate 2-2 semicircle is equal with diameter of a circle in reservoir conduit 1-1, only the half of the lower end lifter plate 2-2 semicircle
Diameter is equal with diameter of a circle in reservoir conduit 1-1, and lifter plate 2-2 can just block reservoir conduit 1-1, realizes the work of valve
With.
Specific embodiment 4:
Illustrate present embodiment below with reference to Fig. 1-11, present embodiment is described further embodiment one described
The lower end of lead screw 2-4 has screw thread, and screw thread and the lifter plate 2-2 of lower end are connected through a screw thread, and the upper end of lead screw 2-4 is smooth circle
Column, smooth cylindrical and the sealing plate 2-7 of upper end are slidably connected.
Specific embodiment 5:
Illustrate present embodiment below with reference to Fig. 1-11, present embodiment is described further embodiment one described
It is provided with non-slip texture on the fastening nut 3-4, after having non-slip texture, will not slide, turn fastening nut in this way
3-4 can be more labor-saving.
A kind of working principle of natural gas valve of the utility model: when use device, the pipeline of two sides is inserted into two respectively
On a connecting cylinder 3-1, two fastening nut 3-4 are rotated, inclined-plane, which fastens, is symmetrical arranged that there are two notch 3-3 on annulus 3-2, tightly
Gu nut 3-4 is connected through a screw thread with connecting cylinder 3-1, two fastening nut 3-4 will be tight two inclined-planes by notch 3-3
Gu the diameter of annulus 3-2 becomes smaller, the pipeline of two sides can be thus fixedly connected in Liang Ge bindiny mechanism 3, when needing day
When right air-flow leads to, hand-operated wheel 2-8 is rotated clockwise, hand-operated wheel 2-8 is fixedly connected on the upper end of lead screw 2-4, and hand-operated wheel 2-8 drives
Lead screw 2-4 rotation, lower end and the lifter plate 2-2 of lead screw 2-4 are connected through a screw thread, and the lead screw 2-4 rotated clockwise can drive
Lifter plate 2-2 carries out moving up movement, and the circle number for rotating hand-operated wheel 2-8 is more, and lifter plate 2-2 will rise higher, naturally
The conveying capacity of gas is bigger, and natural gas can be transmitted to left end from reservoir conduit 1-1 right end, and natural gas can first press against list
Item closure plate 1-8, the both ends of connecting plate 1-4 are fixedly connected on the left end of reservoir conduit 1-1 inner surface, connect the left end of traveller 1-5
It is fixedly connected on connecting plate 1-4, spacing sliding chamber 1-7 is fixedly connected on the left end of reservoir conduit 1-1 inner surface, individual event closure plate 1-
8 are inserted in spacing sliding chamber 1-7, and connection traveller 1-5 and individual event closure plate 1-8 is slidably connected, and spring 1-6 is inserted on connection traveller 1-5,
The left and right ends of spring 1-6 are fixedly connected with the left end of spring 1-6 by connecting plate 1-4 with connecting plate 1-4 and individual event closure plate 1-8 respectively
Fixed, the right end of spring 1-6 is fixed by individual event closure plate 1-8, and when the connection of the natural gas on right side, natural gas will be to individual event closure plate
1-8 generates a thrust to the left, and individual event closure plate 1-8 will carry out spring 1-6 to squeeze and be moved to the left, when natural gas is not connected to
When, spring 1-6 can be pressed onto individual event closure plate 1-8 in spacing sliding chamber 1-7, if there are remaining natural gas, natural gas in left side
Individual event closure plate 1-8 is pushed to the right, but individual event closure plate 1-8 will not be had an impact in this way, because individual event closure plate 1-8 can only be single
Item is mobile, after naturally running out of air, rotates counterclockwise hand-operated wheel 2-8, and hand-operated wheel 2-8 drives lead screw 2-4 to rotate counterclockwise, the inverse time
The lead screw 2-4 of needle rotation drives lifter plate 2-2 to move down, the radius and reservoir conduit 1-1 inner circle of the lower end lifter plate 2-2 semicircle
Diameter it is equal, lifter plate 2-2 can be completely inserted into reservoir conduit 1-1, and reservoir conduit 1-1 is divided into two sections, is realized
The effect of valve.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to
In the protection scope of the utility model.
Claims (5)
1. a kind of natural gas valve, including natural gas isolated chambers (1), lifting sealing device (2) and bindiny mechanism (3), special
Sign is: the natural gas isolated chambers (1) include reservoir conduit (1-1), empty slot (1-2), connection annulus I (1-3), connection
Plate (1-4), connection traveller (1-5), spring (1-6), spacing sliding chamber (1-7) and individual event closure plate (1-8), reservoir conduit (1-1)
Centre is provided with empty slot (1-2), and the both ends of reservoir conduit (1-1) are fixedly connected to connection annulus I (1-3), connecting plate (1-4)
Both ends be fixedly connected in the left end of reservoir conduit (1-1) inner surface, the left end for connecting traveller (1-5) is fixedly connected on connection
On plate (1-4), spacing sliding chamber (1-7) is fixedly connected on the left end of reservoir conduit (1-1) inner surface, and individual event closure plate (1-8) is inserted in
In spacing sliding chamber (1-7), connection traveller (1-5) is slidably connected with individual event closure plate (1-8), and spring (1-6) is inserted in connection traveller (1-
5) on, the left and right ends of spring (1-6) are fixedly connected with connecting plate (1-4) and individual event closure plate (1-8) respectively；
The lifting sealing device (2) include lifting chamber (2-1), lifter plate (2-2), spacing block set (2-3), lead screw (2-4),
Cover board (2-5), bearing (2-6) and sealing plate (2-7), the lower end of lifting chamber (2-1) are fixedly connected in empty slot (1-2), lifting
Setting is there are two sliding slot is gone up and down on chamber (2-1), and there are two spacing block set (2-3), two spacing block sets for setting on lifter plate (2-2)
(2-3) is slidably connected at respectively in two lifting sliding slots in lifting chamber (2-1), and lifter plate (2-2) is slidably connected at lifting chamber
In (2-1), the upper end of lifting chamber (2-1) inner surface is fixedly connected with sealing plate (2-7), and cover board (2-5) is fixedly connected on lifting
The outer ring of the upper end of chamber (2-1), bearing (2-6) is fixedly connected with cover board (2-5), and the inner ring of lead screw (2-4) and bearing (2-6) are solid
Fixed connection, lower end and the lifter plate (2-2) of lead screw (2-4) are connected through a screw thread, the upper end of lead screw (2-4) and sealing plate (2-7)
It is slidably connected；
The bindiny mechanism (3) includes connecting cylinder (3-1), inclined-plane fastening annulus (3-2), notch (3-3), fastening nut
(3-4) and connection annulus II (3-5), the left end of connecting cylinder (3-1) are fixedly connected with inclined-plane fastening annulus (3-2), and inclined-plane is tight
Gu being symmetrical arranged on annulus (3-2), there are two notch (3-3), fastening nut (3-4) and connecting cylinder (3-1) to be connected by screw thread
It connecing, connection annulus II (3-5) is fixedly connected on the right end of connecting cylinder (3-1), and there are two the bindiny mechanisms (3), and two
Connection annulus II (3-5) connect annulus I (1-3) with two respectively and is fixedly connected.
2. a kind of natural gas valve according to claim 1, it is characterised in that: the lifting sealing device (2) also wraps
It includes hand-operated wheel (2-8), hand-operated wheel (2-8) is fixedly connected on the upper end of lead screw (2-4).
3. a kind of natural gas valve according to claim 1, it is characterised in that: the lower end lifter plate (2-2) semicircle
Radius it is equal with reservoir conduit (1-1) interior diameter of a circle.
4. a kind of natural gas valve according to claim 1, it is characterised in that: the lower end of the lead screw (2-4) has
Screw thread, the upper end of lead screw (2-4) are smooth cylindrical.
5. a kind of natural gas valve according to claim 1, it is characterised in that: the fastening nut (3-4)
On be provided with non-slip texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821560197.4U CN208845802U (en) | 2018-09-25 | 2018-09-25 | A kind of natural gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821560197.4U CN208845802U (en) | 2018-09-25 | 2018-09-25 | A kind of natural gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208845802U true CN208845802U (en) | 2019-05-10 |
Family
ID=66373666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821560197.4U Expired - Fee Related CN208845802U (en) | 2018-09-25 | 2018-09-25 | A kind of natural gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208845802U (en) |
-
2018
- 2018-09-25 CN CN201821560197.4U patent/CN208845802U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20210925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |