CN115750949A - Liquefied natural gas storage tank pressure valve - Google Patents
Liquefied natural gas storage tank pressure valve Download PDFInfo
- Publication number
- CN115750949A CN115750949A CN202211192692.5A CN202211192692A CN115750949A CN 115750949 A CN115750949 A CN 115750949A CN 202211192692 A CN202211192692 A CN 202211192692A CN 115750949 A CN115750949 A CN 115750949A
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- pressure valve
- nut
- stage
- storage tank
- groove
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- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 21
- 210000001503 joint Anatomy 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 10
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to the related technical field of pressure valves, in particular to a pressure valve of a liquefied natural gas storage tank, which comprises a pressure valve body, a first-stage butt joint part, a second-stage butt joint part, a fastening part and a sealing washer, wherein an instrument panel is arranged on the pressure valve body, a first connecting port and a second connecting port are respectively and integrally formed on two sides of the pressure valve body, and a first flange is integrally formed at the port positions of the first connecting port and the second connecting port. The first flange plate is provided with the mounting groove and the first-stage mounting hole, the second flange plate is provided with the nut groove and the second-stage mounting hole, the fastener is formed by combining a bolt, a nut and the anti-loosening assembly, the anti-loosening assembly is formed by combining the bottom plate, the elastic supporting piece and the movable plate, the movable plate is provided with the first-stage limiting latch, the nut is provided with the second-stage limiting latch, and the connection stability at the connection position of the pressure valve is effectively ensured through the mutual meshing action of the second-stage limiting latch and the first-stage limiting latch.
Description
Technical Field
The invention relates to the related technical field of pressure valves, in particular to a pressure valve of a liquefied natural gas storage tank.
Background
Pressure regulating valve is also called self-operated balance valve, flow control valve, flow controller, dynamic balance valve, flow balance valve, be a directly perceived simple and convenient flow control device, and the vehicular natural gas storage tank is for the ease of regulating and controlling the pressure of natural gas storage tank, it all can install pressure regulating valve at the gassing port, but traditional pressure regulating valve hookup location department all adopts bolt and nut to connect, but traditional bolt and nut structure is comparatively simple, and the vehicular natural gas storage tank is at long-distance transport's in-process, because the produced a series of mechanical vibration of automobile body operation, the bolt and nut that can lead to pressure regulating valve hookup location department produces not hard up phenomenon, thereby leave certain potential safety hazard. Therefore, the present invention provides a pressure valve for a lng storage tank to solve the above problems.
Disclosure of Invention
The present invention is directed to a pressure valve for a liquefied natural gas storage tank, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a lng storage tank pressure valve, the pressure valve comprising:
the pressure valve comprises a pressure valve body, wherein an instrument panel is arranged on the pressure valve body, a first connecting port and a second connecting port are respectively and integrally formed on two sides of the pressure valve body, a first flange is uniformly and integrally formed at the port positions of the first connecting port and the second connecting port, and a sealing groove is formed in the outer end face of the first flange;
the first-stage butt joint piece is integrally formed with the liquefied natural gas storage tank and connected with the first connecting port, and a second flange is integrally formed on the first-stage butt joint piece;
the second-stage butt joint piece is connected with the second connecting port and has the same structure as the first-stage butt joint piece;
the first-stage butt joint piece and the second-stage butt joint piece are fixedly connected through the fastening piece;
and the sealing gasket is arranged in the sealing groove on the first flange plate.
Preferably, the inner end face of the first flange plate is provided with a mounting groove, the bottom of the mounting groove is provided with a first-stage mounting hole, the outer end face of the second flange plate is provided with a nut groove, the bottom of the nut groove is provided with a second-stage mounting hole, and the first-stage mounting hole and the second-stage mounting hole are arranged correspondingly.
Preferably, the fastener is composed of a bolt, a nut and a locking assembly, the locking assembly is installed in the installation groove, the bolt penetrates through the secondary installation hole, the primary installation hole and the locking assembly, and the nut is screwed on a screw of the bolt.
Preferably, the cross-sectional dimension of the nut of the bolt is matched with the cross-sectional dimension of the nut groove, and the nut of the bolt is embedded into the nut groove.
Preferably, locking subassembly comprises bottom plate, elastic support piece and fly leaf combination, the fly leaf is connected with the bottom plate through elastic support piece, and the fixed tank bottom that splices at the mounting groove of bottom plate, and integrated into one piece has the spacing latch of one-level on the fly leaf, the terminal surface integrated into one piece of nut has the spacing latch of second grade.
Preferably, the equant circumference of the first-stage limiting latch and the second-stage limiting latch is provided with a circle, the cross sections of the first-stage limiting latch and the second-stage limiting latch are all equilateral triangles, the second-stage limiting latch and the first-stage limiting latch are arranged correspondingly, the nut is meshed with each other when actually screwed, and at the moment, the elastic support piece is in a compressed state.
Preferably, the elastic support is composed of a first support body and a second support body, the first support body is of a shuttle-shaped frame structure, the second support body is of a rhombic frame structure, the first support body and the second support body are integrally formed, and the first support body and the second support body are both made of spring steel through casting.
Preferably, the inner end face of the second flange plate is integrally formed with a seal seat, the seal seat is of an annular seat body structure, the cross section dimension of the seal seat is matched with that of the seal groove, the seal seat is embedded into the seal groove when the second flange plate is actually installed, and at the moment, the seal washer is in a compressed state.
Preferably, the terminal surface integrated into one piece of seal receptacle has the sealed arch of one-level, the tank bottom integrated into one piece of seal groove has the sealed arch of second grade, the sealed arch of one-level, the sealed arch of second grade are the section and are the protruding structure of semicircle annular, and the sealed arch of one-level, the sealed arch of second grade all are provided with the multichannel with the centre of a circle, and when the actual butt joint of second ring flange, its the sealed arch of one-level, the sealed arch of second grade all imbed among seal ring's the rubber body.
Compared with the prior art, the invention has the beneficial effects that:
1. the pressure valve is formed by combining a pressure valve body, a first-stage butt joint part, a second-stage butt joint part, a fastening piece and a sealing washer, a mounting groove and a first-stage mounting hole are formed in a first flange plate, a nut groove and a second-stage mounting hole are formed in a second flange plate, the fastening piece is formed by combining a bolt, a nut and a locking assembly, the locking assembly is formed by combining a bottom plate, an elastic supporting piece and a movable plate, a first-stage limiting latch is arranged on the movable plate, and a second-stage limiting latch is arranged on the nut, so that the connection stability of the connection position of the pressure valve is effectively ensured through the mutual meshing action of the second-stage limiting latch and the first-stage limiting latch.
2. The elastic support is arranged to be formed by combining the first support body and the second support body, the first support body is arranged to be in a shuttle-shaped frame structure, the second support body is arranged to be in a diamond-shaped frame structure, and the overall elastic support effect of the elastic support is effectively guaranteed through the combined action of the first support body and the second support body.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a half sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is a schematic view of the construction of the fastener of the present invention;
FIG. 6 is a schematic view of the nut of the present invention;
FIG. 7 is a schematic structural view of the anti-loosening assembly of the present invention.
In the figure: the pressure valve comprises a pressure valve body 1, a first-stage butt joint part 2, a second-stage butt joint part 3, a fastening part 4, a sealing gasket 5, a meter panel 6, a first flange 7, a second flange 8, a mounting groove 9, a first-stage mounting hole 10, a nut groove 11, a second-stage mounting hole 12, a bolt 13, a nut 14, a locking component 15, a second-stage limiting latch 16, a bottom plate 17, an elastic supporting piece 18, a movable plate 19, a first-stage limiting latch 20, a first supporting body 21, a second supporting body 22, a sealing seat 23, a first-stage sealing bulge 24 and a second-stage sealing bulge 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1-7, the present invention provides the following three preferred embodiments:
example one
A pressure valve of a liquefied natural gas storage tank comprises a pressure valve body 1, a first-stage butt joint part 2, a second-stage butt joint part 3, a fastening piece 4 and a sealing washer 5, wherein an instrument panel 6 is arranged on the pressure valve body 1, a first connecting port and a second connecting port are respectively and integrally formed on two sides of the pressure valve body 1, a first flange 7 is integrally formed at the port positions of the first connecting port and the second connecting port, and a sealing groove is formed in the outer end face of the first flange 7; one-level interfacing part 2 and liquefied natural gas holding vessel integrated into one piece, one-level interfacing part 2 is connected with first connector, and integrated into one piece has second ring flange 8 on one-level interfacing part 2, and second grade interfacing part 3 is connected with the second connector, and second grade interfacing part 3 is the same with one-level interfacing part 2 structure, and one-level interfacing part 2, second grade interfacing part 3 all carry out fixed connection through fastener 4, and seal ring 5 sets up in the seal groove on first ring flange 7.
Specifically, the inner end surface of the first flange 7 is provided with a mounting groove 9, the bottom of the mounting groove 9 is provided with a first-level mounting hole 10, the outer end surface of the second flange 8 is provided with a nut groove 11, the bottom of the nut groove 11 is provided with a second-level mounting hole 12, and the first-level mounting hole 10 and the second-level mounting hole 12 are correspondingly arranged.
Specifically, the fastening member 4 is composed of a bolt 13, a nut 14 and a locking assembly 15, the locking assembly 15 is installed in the installation groove 9, the bolt 13 penetrates through the secondary installation hole 12, the primary installation hole 10 and the locking assembly 15, and the nut 14 is screwed on a screw of the bolt 13.
Wherein, the nut cross-sectional dimension of the bolt 13 is matched with the cross-sectional dimension of the nut groove 11, and the nut of the bolt 13 is embedded into the nut groove 11.
Specifically, the anti-loosening assembly 15 is composed of a bottom plate 17, an elastic supporting member 18 and a movable plate 19, the movable plate 19 is connected with the bottom plate 17 through the elastic supporting member 18, the bottom plate 17 is fixedly glued to the bottom of the mounting groove 9, a first-stage limiting latch 20 is integrally formed on the movable plate 19, and a second-stage limiting latch 16 is integrally formed on the end surface of the nut 14.
Specifically, a circle is arranged on the equal circumference of the first-stage limiting latch 20 and the second-stage limiting latch 16, the cross sections of the first-stage limiting latch 20 and the second-stage limiting latch 16 are all equilateral triangles, the second-stage limiting latch 16 and the first-stage limiting latch 20 are arranged correspondingly, when the nut 14 is actually screwed down, the first-stage limiting latch 20 and the second-stage limiting latch 16 are arranged in a meshed manner, and at the moment, the elastic support member 18 is in a compressed state. The pressure valve is formed by combining a pressure valve body 1, a first-stage butt joint part 2, a second-stage butt joint part 3, a fastening part 4 and a sealing washer 5, a mounting groove 9 and a first-stage mounting hole 10 are formed in a first flange 7, a nut groove 11 and a second-stage mounting hole 12 are formed in a second flange 8, the fastening part 4 is formed by combining a bolt 13, a nut 14 and a locking assembly 15, the locking assembly 15 is formed by combining a bottom plate 17, an elastic supporting part 18 and a movable plate 19, a first-stage limiting latch 20 is arranged on the movable plate 19, a second-stage limiting latch 16 is arranged on the nut 14, and therefore the connection stability of the connection position of the pressure valve is effectively guaranteed through the mutual meshing effect of the second-stage limiting latch 16 and the first-stage limiting latch 20.
In the embodiment, the pressure valve formed by combining the pressure valve body 1, the first-stage butt joint part 2, the second-stage butt joint part 3, the fastening part 4 and the sealing washer 5 is arranged, the mounting groove 9 and the first-stage mounting hole 10 are formed in the first flange 7, the nut groove 11 and the second-stage mounting hole 12 are formed in the second flange 8, the fastening part 4 is formed by combining the bolt 13, the nut 14 and the anti-loosening assembly 15, the anti-loosening assembly 15 is formed by combining the bottom plate 17, the elastic supporting part 18 and the movable plate 19, the first-stage limiting latch 20 is arranged on the movable plate 19, the second-stage limiting latch 16 is arranged on the nut 14, and therefore the connection stability at the connection position of the pressure valve is effectively guaranteed through the mutual meshing action of the second-stage limiting latch 16 and the first-stage limiting latch 20.
Example two
In the first embodiment, the elastic support member 18 is composed of a combination of a first support member 21 and a second support member 22, the first support member 21 has a shuttle frame structure, the second support member 22 has a diamond frame structure, the first support member 21 and the second support member 22 are integrally formed, and both the first support member 21 and the second support member 22 are made of spring steel by casting.
Specifically, the elastic support member 18 is configured by combining the first support body 21 and the second support body 22, the first support body 21 is configured to be in a shuttle-shaped frame structure, and the second support body 22 is configured to be in a diamond-shaped frame structure, so that the overall elastic support effect of the elastic support member 18 is effectively ensured through the combined action of the first support body 21 and the second support body 22.
EXAMPLE III
On the basis of the second embodiment, the inner end surface of the second flange 8 is integrally formed with the seal seat 23, the seal seat 23 is of an annular seat structure, the cross-sectional dimension of the seal seat 23 is identical to that of the seal groove, and when the second flange 8 is actually installed, the seal seat 23 is embedded into the seal groove, and at this time, the seal gasket 5 is in a compressed state.
Concretely, the terminal surface integrated into one piece of seal receptacle 23 has one-level sealed arch 24, the tank bottom integrated into one piece of seal groove has second grade sealed arch 25, one-level sealed arch 24, second grade sealed arch 25 is the cross-section and is semicircular annular protruding structure, and one-level sealed arch 24, second grade sealed arch 25 all is provided with the multichannel with the centre of a circle, and when the second ring flange 8 actually docks, its one-level sealed arch 24, second grade sealed arch 25 all imbeds among seal ring 5's the rubber body, through one-level sealed arch 24, second grade sealed arch 25's setting, and guarantee one-level sealed arch 24, second grade sealed arch 25 imbeds among seal ring 5's the rubber body, thereby effectively guarantee the leakproofness of pressure valve butt joint position department.
Although the illustrative embodiments of the present application have been described above to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the embodiments, and various modifications within the spirit and scope of the present application defined and determined by the appended claims will be apparent to those skilled in the art from this disclosure.
Claims (9)
1. The utility model provides a liquefied natural gas storage tank pressure valve which characterized in that: the pressure valve includes:
the pressure valve comprises a pressure valve body (1), wherein an instrument panel (6) is arranged on the pressure valve body (1), a first connecting port and a second connecting port are respectively and integrally formed on two sides of the pressure valve body (1), a first flange (7) is integrally formed at the port positions of the first connecting port and the second connecting port, and a sealing groove is formed in the outer end face of the first flange (7);
the liquefied natural gas storage tank comprises a first-stage butt joint piece (2), the first-stage butt joint piece (2) and the liquefied natural gas storage tank are integrally formed, the first-stage butt joint piece (2) is connected with a first connecting port, and a second flange (8) is integrally formed on the first-stage butt joint piece (2);
the secondary butt joint piece (3) is connected with the second connector, and the structure of the secondary butt joint piece (3) is the same as that of the primary butt joint piece (2);
the first-stage butt joint part (2) and the second-stage butt joint part (3) are fixedly connected through the fastening part (4);
the sealing gasket (5) is arranged in a sealing groove in the first flange plate (7).
2. The lng storage tank pressure valve of claim 1, wherein: mounting groove (9) have been seted up to the inner terminal surface of first ring flange (7), one-level mounting hole (10) have been seted up to the tank bottom of mounting groove (9), nut groove (11) have been seted up to the outer terminal surface of second ring flange (8), second grade mounting hole (12) have been seted up to the tank bottom of nut groove (11), be corresponding setting between one-level mounting hole (10), second grade mounting hole (12).
3. The lng storage tank pressure valve of claim 2, wherein: the fastener (4) is composed of a bolt (13), a nut (14) and a locking assembly (15) in a combined mode, the locking assembly (15) is installed in the installation groove (9), the bolt (13) penetrates through the secondary installation hole (12), the primary installation hole (10) and the locking assembly (15), and the nut (14) is screwed on a screw of the bolt (13).
4. The lng storage tank pressure valve of claim 3, wherein: the cross section size of the nut of the bolt (13) is matched with that of the nut groove (11), and the nut of the bolt (13) is embedded into the nut groove (11).
5. The lng storage tank pressure valve of claim 4, wherein: locking subassembly (15) constitute by bottom plate (17), elastic support piece (18) and fly leaf (19) combination, fly leaf (19) are connected with bottom plate (17) through elastic support piece (18), and bottom plate (17) fixed glue connects the tank bottom in mounting groove (9), and fly leaf (19) go up integrated into one piece and have one-level spacing latch (20), the terminal surface integrated into one piece of nut (14) has second grade spacing latch (16).
6. The LNG storage tank pressure valve of claim 5, wherein: the equant circumferences of the first-level limiting latch (20) and the second-level limiting latch (16) are provided with a circle, the cross sections of the first-level limiting latch (20) and the second-level limiting latch (16) are all equilateral triangles, the second-level limiting latch (16) is arranged corresponding to the first-level limiting latch (20), the nut (14) is actually screwed down, the first-level limiting latch (20) and the second-level limiting latch (16) are meshed with each other, and at the moment, the elastic support piece (18) is in a compressed state.
7. The lng storage tank pressure valve of claim 6, wherein: elastic support element (18) comprise first supporter (21) and second supporter (22) combination, first supporter (21) are shuttle frame structure, second supporter (22) are rhombus frame structure, be integrated into one piece between first supporter (21), second supporter (22), and first supporter (21), second supporter (22) are the spring steel and cast.
8. The lng storage tank pressure valve of claim 1, wherein: the inner end face integrated into one piece of second ring flange (8) has seal receptacle (23), seal receptacle (23) are annular pedestal structure, and the cross sectional dimension of seal receptacle (23) is identical with the cross sectional dimension of seal groove, and during second ring flange (8) actual installation, its seal receptacle (23) imbeds to the seal groove in, and at this moment, seal ring (5) are in by the compression state.
9. The lng storage tank pressure valve of claim 8, wherein: the terminal surface integrated into one piece of seal receptacle (23) has the sealed protruding (24) of one-level, the tank bottom integrated into one piece of seal groove has the sealed protruding (25) of second grade, the sealed protruding (24) of one-level, the sealed protruding (25) of second grade are the cross-section and are semicircular annular protruding structure, and the sealed protruding (24) of one-level, the sealed protruding (25) of second grade all be provided with the multichannel in the same centre of a circle, and when second ring flange (8) actually docked, the sealed protruding (24) of its one-level, the sealed protruding (25) of second grade all imbed among the rubber body of seal ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211192692.5A CN115750949A (en) | 2022-09-28 | 2022-09-28 | Liquefied natural gas storage tank pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211192692.5A CN115750949A (en) | 2022-09-28 | 2022-09-28 | Liquefied natural gas storage tank pressure valve |
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| Publication Number | Publication Date |
|---|---|
| CN115750949A true CN115750949A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211192692.5A Pending CN115750949A (en) | 2022-09-28 | 2022-09-28 | Liquefied natural gas storage tank pressure valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204420391U (en) * | 2015-01-27 | 2015-06-24 | 武汉工程大学 | A kind of flange sealing structure based on wave tooth composite gasket |
| CN210240869U (en) * | 2019-05-17 | 2020-04-03 | 铜陵市兴达阀门总厂 | Safety gas valve |
| CN212804250U (en) * | 2020-06-23 | 2021-03-26 | 苏州迈恩达阀门有限公司 | Low-temperature valve with good sealing performance |
| CN213512528U (en) * | 2020-09-19 | 2021-06-22 | 慈溪市兴发磁业科技有限公司 | Double-valve metal powder batching jar |
| CN114833386A (en) * | 2022-05-26 | 2022-08-02 | 青岛核工机械有限公司 | Dig crater anchor clamps |
| CN114962814A (en) * | 2022-05-23 | 2022-08-30 | 青岛众凯食品有限公司 | Concentration regulator for preparing food additive and regulating method |
| CN217463606U (en) * | 2022-07-04 | 2022-09-20 | 台州银博机械有限公司 | High leakproofness flange |
-
2022
- 2022-09-28 CN CN202211192692.5A patent/CN115750949A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204420391U (en) * | 2015-01-27 | 2015-06-24 | 武汉工程大学 | A kind of flange sealing structure based on wave tooth composite gasket |
| CN210240869U (en) * | 2019-05-17 | 2020-04-03 | 铜陵市兴达阀门总厂 | Safety gas valve |
| CN212804250U (en) * | 2020-06-23 | 2021-03-26 | 苏州迈恩达阀门有限公司 | Low-temperature valve with good sealing performance |
| CN213512528U (en) * | 2020-09-19 | 2021-06-22 | 慈溪市兴发磁业科技有限公司 | Double-valve metal powder batching jar |
| CN114962814A (en) * | 2022-05-23 | 2022-08-30 | 青岛众凯食品有限公司 | Concentration regulator for preparing food additive and regulating method |
| CN114833386A (en) * | 2022-05-26 | 2022-08-02 | 青岛核工机械有限公司 | Dig crater anchor clamps |
| CN217463606U (en) * | 2022-07-04 | 2022-09-20 | 台州银博机械有限公司 | High leakproofness flange |
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