CN215334695U - Frost-proof low-temperature booster valve - Google Patents
Frost-proof low-temperature booster valve Download PDFInfo
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- CN215334695U CN215334695U CN202121618940.9U CN202121618940U CN215334695U CN 215334695 U CN215334695 U CN 215334695U CN 202121618940 U CN202121618940 U CN 202121618940U CN 215334695 U CN215334695 U CN 215334695U
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Abstract
The utility model relates to the field of valves and discloses an anti-frosting low-temperature booster valve. The cryogenic pressure increasing valve of the utility model comprises: valve body, valve gap, pressure regulating subassembly, valve clack subassembly, lower extreme cover and respiratory mask are equipped with the disk seat in the valve pocket of valve body, and the valve gap lid closes on the valve body, and the valve gap is equipped with the respiratory hole, and the pressure regulating subassembly sets up in the valve gap, and the lower extreme cover setting is in the bottom of valve body, and the valve clack subassembly sets up in the valve pocket, includes: case, valve rod, case sealing washer and reset spring, respiratory mask set up on the valve gap, and respiratory mask blocks the intercommunication of valve gap breather hole and outside atmosphere. According to the low-temperature booster valve, the breathing cover blocks the communication between the breathing hole of the valve cover and the atmosphere, water vapor in the atmosphere cannot enter the valve cover, the adjusting assembly in the valve cover cannot be rusted due to frosting, the working pressure of the booster valve cannot be changed, and the safe use of equipment is ensured.
Description
Technical Field
The embodiment of the utility model relates to the field of valves, in particular to an anti-frosting low-temperature booster valve.
Background
The booster valve is an industrial valve which can convert low-pressure gas in a transmission system into high-pressure gas in proportion and is used for pressure control on pneumatic equipment.
The low-temperature booster valve is generally applied to a liquefaction tank body to maintain a certain pressure in the tank body. When the pressure in the liquefaction tank is reduced to a threshold value, a pressurization inlet of a pressurization valve is opened, so that the pressure in the tank body is increased; when the pressure in the liquefaction tank rises to a threshold value, the pressurization inlet of the pressurization valve is closed, so that the pressure in the tank body is kept stable. The pressure regulating assembly for regulating pressure is arranged in the valve cover of the pressure increasing valve, and the valve cover is provided with a breathing hole, so that the valve cover can keep stable atmospheric pressure when the temperature changes.
However, in the low-temperature booster valve in the prior art, when the low-temperature valve works, water vapor in the atmosphere is condensed into frost in the valve cover, so that the pressure regulating assembly is corroded, the working pressure of the booster valve is changed, and the safe use of equipment is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-frosting low-temperature booster valve to solve the problems in the background technology.
The embodiment of the utility model provides a frosting-proof low-temperature booster valve, which comprises: the valve comprises a valve body, a valve cover, a pressure regulating assembly, a valve clack assembly, a lower end cover and a breathing mask;
the valve body is provided with a valve cavity, a gas inlet, a gas outlet and a pressurizing inlet, the gas outlet and the pressurizing inlet are respectively communicated with the valve cavity, and a valve seat is arranged in the valve cavity;
the valve cover covers the top of the valve body, and is provided with a breathing hole;
the pressure regulating assembly is arranged in the valve cover;
the lower end cover is arranged at the bottom of the valve body;
the valve flap assembly includes: the valve core, the valve rod, the valve core sealing ring and the reset spring;
the valve core is slidably arranged in the valve cavity and is positioned below the valve seat, and the top end and the bottom end of the reset spring are respectively abutted against the valve core and the lower end cover;
the valve core sealing ring is arranged on the top surface of the valve core and used for abutting against the valve seat, and the valve core sealing ring is used for blocking the communication between the pressurization inlet and the valve cavity when abutting against the valve seat;
the valve rod penetrates through the valve body, and the top end and the bottom end of the valve rod are respectively abutted against the pressure regulating assembly and the valve core;
the respiratory mask is arranged on the valve cover and used for blocking the communication between the respiratory hole and the outside atmosphere.
Based on the above scheme, the anti-frosting low-temperature booster valve provided by the utility model comprises a valve body, a valve cover, a pressure regulating assembly, a valve clack assembly, a lower end cover and a breathing mask, wherein a valve seat is arranged in a valve cavity of the valve body, the valve cover covers the valve body, the valve cover is provided with a breathing hole, the pressure regulating assembly is arranged in the valve cover, the lower end cover is arranged at the bottom of the valve body, and the valve clack assembly is arranged in the valve cavity and comprises: case, valve rod, case sealing washer and reset spring, respiratory mask set up on the valve gap, block the intercommunication of breather hole and outside atmosphere. According to the low-temperature booster valve, when the pressure in the valve cavity of the valve body is lower than a threshold value, the valve core and the valve core sealing ring are far away from the valve seat, the booster inlet is communicated with the valve cavity, and booster gas enters the valve cavity to realize boosting; when the pressure in the valve cavity of the valve body rises to a threshold value, the valve core and the valve core sealing ring are close to the valve seat under the action of the return spring, the valve core sealing ring is abutted against the valve seat, the communication between the pressurization inlet and the valve cavity is blocked, and the pressurization is stopped. The breather cover blocks valve gap breather hole and atmospheric intercommunication, and in the steam in the atmosphere can not enter into the valve gap, the adjusting part in the valve gap can not be because of frosting and corrosion, and the operating pressure of booster valve can not change, guarantees equipment safe handling.
In one possible solution, the voltage regulating assembly includes: the pressure regulating device comprises a pressure regulating screw, a spring pressure plate, a pressure regulating spring, a diaphragm pressure plate and a diaphragm;
the top end and the bottom end of the pressure regulating spring are respectively propped against the spring pressing plate and the diaphragm pressing plate;
the diaphragm is positioned below the diaphragm pressing plate and is propped against the valve rod;
the pressure regulating screw rod is meshed with the top of the valve cover, the bottom end of the pressure regulating screw rod is abutted to the spring pressing plate, and the pressure regulating screw rod is used for regulating the pre-tightening force of the pressure regulating spring when rotating.
In one possible solution, the voltage regulating assembly further includes: a lower valve seat;
the top end of the valve rod is arc-shaped;
the bottom of lower disk seat is equipped with the arc recess, lower disk seat sets up the diaphragm with between the valve rod, the arc recess is used for supplying the valve rod inserts.
In a feasible scheme, an arc-shaped bulge is arranged at the bottom of the spring pressure plate and is used for being inserted into the pressure regulating spring;
the top of diaphragm clamp plate is equipped with the joint recess, the joint recess is used for supplying the pressure regulating spring embedding.
In a feasible scheme, filter cotton is arranged between the diaphragm and the valve cover, and a first sealing gasket is arranged between the diaphragm and the valve body.
In one possible scheme, the lower end cover is provided with a sliding groove;
the valve core is arranged in the chute in a sliding way;
the bottom of the valve core is provided with a first groove, and the first groove is used for embedding the return spring;
and a second groove is formed in the top of the valve core and used for embedding the valve core sealing ring.
In a feasible scheme, an installation clamping groove is formed in the valve cavity of the valve body, an O-shaped sealing ring is arranged in the installation clamping groove, and the O-shaped sealing ring is used for abutting against the valve rod;
and a second sealing gasket is arranged between the lower end cover and the valve body.
In one possible approach, the respiratory mask comprises: a cylinder and a piston plate;
the cylinder barrel is arranged on the valve cover, and the breathing hole is communicated with the inner cavity of the cylinder barrel;
the side wall of the piston plate is provided with a sealing ring, the piston plate is arranged in the cylinder barrel in a sliding mode, and the sealing ring is abutted to the side wall of the cylinder barrel.
In one possible solution, the valve cover is provided with an external thread;
the bottom of the cylinder barrel is provided with an internal threaded pipe, so that the cylinder barrel is detachably connected with the valve cover in a threaded connection mode;
and a third sealing gasket is arranged in the internal thread pipe and used for abutting against the valve cover.
In one possible approach, the respiratory mask further comprises: a cylinder cover;
the cylinder cover covers the cylinder barrel, and the cylinder cover is provided with a through hole.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a cryo-booster valve in an embodiment of the utility model;
FIG. 2 is an enlarged view of FIG. 1 at A in an embodiment of the present invention;
FIG. 3 is an enlarged view of FIG. 1 at B in an embodiment of the present invention;
FIG. 4 is an enlarged view at C of FIG. 1 in an embodiment of the present invention;
fig. 5 is a schematic view of a respiratory mask in an embodiment of the present invention.
Reference numbers in the figures:
1. a valve body; 11. a gas inlet; 12. a gas outlet; 13. a pressurized inlet; 14. a valve seat; 15. installing a clamping groove; 2. a valve cover; 21. a breathing hole; 3. a voltage regulating component; 31. a pressure regulating screw; 32. a spring pressing plate; 321. an arc-shaped bulge; 33. a pressure regulating spring; 34. a diaphragm pressing plate; 341. clamping the groove; 35. a membrane; 36. a lower valve seat; 361. an arc-shaped groove; 4. a valve flap assembly; 41. a valve core; 411. a first groove; 412. a second groove; 42. a valve stem; 43. a valve core sealing ring; 44. a return spring; 5. a lower end cover; 51. a chute; 6. a respiratory mask; 61. a cylinder barrel; 62. a piston plate; 63. a seal ring; 64. an internally threaded tube; 65. a cylinder cover; 71. filtering cotton; 72. a first sealing gasket; 73. an O-shaped sealing ring; 74. a second sealing gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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 the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for convenience in describing and simplifying the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
As described in the background of the present application, cryogenic pressure booster valves are typically used on liquefaction tanks to maintain a certain pressure within the tank. When the pressure in the liquefaction tank is reduced to a threshold value, a pressurization inlet of a pressurization valve is opened, so that the pressure in the tank body is increased; when the pressure in the liquefaction tank rises to a threshold value, the pressurization inlet of the pressurization valve is closed, so that the pressure in the tank body is kept stable. The pressure regulating assembly for regulating pressure is arranged in the valve cover of the pressure increasing valve, and the valve cover is provided with a breathing hole, so that when the temperature of the valve cover changes, the stable atmospheric pressure is kept in the cavity of the valve cover.
The inventor of this application discovers, low temperature booster valve among the prior art, low temperature valve at the during operation, and the steam in the atmosphere condenses into the frost in the valve gap, causes the corrosion of pressure regulating subassembly to make booster valve's operating pressure change, influence the safe handling of equipment.
In order to solve the above problems, the inventor of the present application proposes a technical solution of the present application, and specific embodiments are as follows:
fig. 1 is a schematic sectional view of a cryo-booster valve in an embodiment of the present invention, fig. 2 is an enlarged view at a in fig. 1 in an embodiment of the present invention, fig. 3 is an enlarged view at B in fig. 1 in an embodiment of the present invention, fig. 4 is an enlarged view at C in fig. 1 in an embodiment of the present invention, and fig. 5 is a schematic view of a respiratory mask in an embodiment of the present invention. As shown in fig. 1 to 5, the frost-proof cryogenic pressure increasing valve of the present embodiment includes: valve body 1, valve gap 2, pressure regulating subassembly 3, valve clack subassembly 4, bottom end cover 5 and respiratory mask 6.
The valve body 1 is of a hollow structure, and a valve cavity is arranged in the valve body 1.
The side wall of the valve body 1 is provided with a gas inlet 11, a gas outlet 12 and a pressurizing inlet 13, and the gas inlet 11, the gas outlet 12 and the pressurizing inlet 13 on the valve body 1 are respectively communicated with the valve cavity.
The valve body 1 is provided with a valve seat 14 in the valve chamber.
The valve cover 2 covers the top of the valve body 1, and the valve cover 2 is connected with the valve body 1 through threads. The top wall of the valve cover 2 is provided with a breathing hole 21 which penetrates through the top wall, so that the stable atmospheric pressure is kept in the cavity of the valve cover 2.
The pressure regulating assembly 3 is arranged in the cavity of the valve cover 2, and the working pressure of the booster valve can be regulated through the pressure regulating assembly 3.
The lower end cover 5 is arranged at the bottom of the valve body 1, and the lower end cover 5 is in sealing connection with the valve body 1 in a threaded connection mode.
The valve core 41 is slidably disposed in the valve cavity of the valve body 1 below the valve seat 14. The return spring 44 is disposed between the valve core 41 and the lower end cap 5, and the top end and the bottom end of the return spring 44 respectively abut against the valve core 41 and the lower end cap 5.
The valve body seal 43 is provided on the top surface of the valve body 41 to abut against the valve seat 14 in the valve body 1. When the valve core 41 moves upwards to enable the valve core sealing ring 43 to abut against the valve seat 14, the valve core 41 blocks the communication between the pressurization inlet 13 of the valve body 1 and the valve cavity, and the pressurization inlet 13 is closed to block pressurized gas from entering the valve cavity of the valve body 1; when the valve core 41 and the valve core sealing ring 43 are far away from the valve seat 14, the pressurization inlet 13 of the valve body 1 is communicated with the valve cavity of the valve body 1, and pressurized gas can enter the valve cavity of the valve body 1, so that the pressurization of the valve cavity of the valve body 1 is realized.
The breathing mask 6 is arranged on the valve cover 2, and the breathing hole of the valve cover 2 is shielded by the breathing mask 6, so that water vapor in the atmosphere is prevented from entering the cavity of the valve cover 2, and the pressure regulating assembly 3 is prevented from being rusted due to frosting; meanwhile, the breathing mask 6 keeps stable atmospheric pressure in the cavity of the valve cover 2, and the safe use of the booster valve is ensured.
Through the discovery of above-mentioned content, the low temperature booster valve of preventing frosting of this embodiment is through setting up valve body, valve gap, pressure regulating subassembly, valve clack subassembly, lower extreme cover and respiratory mask, is equipped with the disk seat in the valve pocket of valve body, and the valve gap lid closes on the valve body, and the valve gap is equipped with the respiratory hole, and the pressure regulating subassembly sets up in the valve gap, and the lower extreme cover sets up in the bottom of valve body, and valve clack subassembly sets up in the valve pocket, includes: case, valve rod, case sealing washer and reset spring, respiratory mask set up on the valve gap, block the intercommunication of breather hole and outside atmosphere. According to the low-temperature booster valve, when the pressure in the valve cavity of the valve body is lower than a threshold value, the valve core and the valve core sealing ring are far away from the valve seat, the booster inlet is communicated with the valve cavity, and booster gas enters the valve cavity to realize boosting; when the pressure in the valve cavity of the valve body rises to a threshold value, the valve core and the valve core sealing ring are close to the valve seat under the action of the return spring, the valve core sealing ring is abutted against the valve seat, the communication between the pressurization inlet and the valve cavity is blocked, and the pressurization is stopped. The breather cover blocks valve gap breather hole and atmospheric intercommunication, and in the steam in the atmosphere can not enter into the valve gap, the adjusting part in the valve gap can not be because of frosting and corrosion, and the operating pressure of booster valve can not change, guarantees equipment safe handling.
Optionally, in the frost-proof low-temperature pressure increasing valve in this embodiment, the pressure regulating assembly 3 includes: a pressure regulating screw 31, a spring pressing plate 32, a pressure regulating spring 33, a diaphragm pressing plate 34 and a diaphragm 35.
The diaphragm 35 is a copper sheet and is provided with three diaphragms, and the three diaphragms 35 are sequentially arranged below the diaphragm pressing plate 34 and abut against the diaphragm pressing plate 34. The outer side of the bottom surface of the diaphragm 35 abuts against the valve body 1, and the middle of the bottom surface of the diaphragm 35 abuts against the top end of the valve rod 42.
The pressure regulating screw 31 of the inner hexagonal is meshed at the top of the valve cover 2, and the bottom end of the pressure regulating screw 31 extends into the cavity of the valve cover 2 and is propped against the spring pressing plate 32.
In this embodiment, the pressure regulating screw rod is rotated, and the pretightening force of the pressure regulating spring to the diaphragm can be adjusted to adjust the working pressure of the low-temperature pressure increasing valve. When the pressure in the valve cavity of the valve body is at the normal working pressure, a valve core sealing ring on the valve core is propped against the valve seat under the action of a return spring to block the communication between the pressurization inlet and the valve cavity; when the pressure in the valve cavity of the valve body is lower than a set value, the diaphragm bends downwards to bulge and pushes the valve rod to move downwards under the action of the adjusting spring, the valve rod pushes the valve core and the valve core sealing ring to be away from the valve seat, the pressurization inlet of the valve body is communicated with the valve cavity, pressurized gas enters the valve cavity, the pressure of the gas on the diaphragm is continuously increased along with the continuous rise of the pressure in the valve cavity, the diaphragm which bends to bulge gradually recovers upwards, the valve core and the valve rod move upwards under the action of the return spring, the valve core sealing ring is abutted against the valve seat again, the communication between the pressurization inlet and the valve cavity is blocked, the pressurization inlet is closed, and the pressurization is finished, so that the working pressure is kept in the valve cavity of the valve body.
Further, as shown in fig. 1 and fig. 2, in the anti-frosting low-temperature pressure increasing valve in the present embodiment, the pressure regulating assembly 3 further includes: a lower valve seat 36.
The tip of the stem 42 is in the shape of a spherical arc.
The bottom of lower valve seat 36 is equipped with arc groove 361, and lower valve seat 36 sets up between diaphragm 35 and valve rod 42, and the top of valve rod 42 pegs graft in arc groove 361 of lower valve seat 36.
Further, in the anti-frosting low-temperature pressure increasing valve in the embodiment, the bottom of the spring pressing plate 32 is provided with an arc-shaped protrusion 321, and the arc-shaped protrusion 321 of the spring pressing plate 32 is inserted into the cavity of the pressure regulating spring 33.
The top of diaphragm clamp plate 34 is equipped with joint recess 341, and the bottom joint of pressure regulating spring 33 is in the joint recess 341 of diaphragm clamp plate 34, makes pressure regulating spring 33 remain stable in the cavity of valve gap 2, can not take place to rock.
Further, as shown in fig. 1 and 4, in the anti-frosting low-temperature pressure increasing valve of the present embodiment, a filter cotton 71 is disposed between the diaphragm 35 and the valve cover 2 to prevent impurities such as dust from entering the valve cavity of the valve body 1.
A first sealing gasket 72 is arranged between the diaphragm 35 and the valve body 1, so that the valve body 1 and the valve cover 2 are better sealed.
Alternatively, as shown in fig. 1 and fig. 3, in the frost-proof low-temperature pressure increasing valve of the present embodiment, a sliding groove 51 is provided at the top end of the lower end cover 5.
The bottom end of the valve core 41 is slidably disposed in the slide groove 51 of the lower end cap 5.
The bottom of the valve core 41 is provided with a first groove 411, the return spring 44 is arranged in the sliding groove 51 of the lower end cover 5, and the top end of the return spring 44 is inserted in the first groove 411 of the valve core 41.
The top of the valve core 41 is provided with a second groove 412, and the valve core sealing ring 43 is embedded in the second groove 412 of the valve core 41, so that the valve core sealing ring 43 is limited on the valve core 41, and the valve core sealing ring is prevented from sliding off from the valve core.
Optionally, in the anti-frosting low-temperature pressure increasing valve in this embodiment, the valve body 1 is provided with the installation clamping groove 15 on the inner wall of the valve cavity, the O-ring 73 is arranged in the installation clamping groove 15 of the valve body 1, and the O-ring 73 abuts against the circumferential side wall of the valve rod 42, so that the valve rod 42 and the valve body 1 are better sealed, and gas leakage is prevented.
A second sealing gasket 74 is arranged between the lower end cover 5 and the valve body 1, so that the lower end cover 5 and the valve body 1 are better sealed.
Further, as shown in fig. 1 and 5, the anti-frosting low-temperature pressure increasing valve in the present embodiment, the breathing mask 6 includes: a cylinder 61 and a piston plate 62.
The cylinder 61 sets up on valve gap 2, and the cylinder 61 shelters from valve gap 2's breathing hole 21, and valve gap 2's breathing hole 21 and the inner chamber intercommunication of cylinder 61.
The circumferential side wall of the piston plate 62 is provided with a sealing ring 63, the piston plate 62 is slidably arranged in the cylinder 61, the sealing ring on the piston plate 62 is abutted against the circumferential inner wall of the cylinder 61, and the piston plate 62 blocks the communication between the breathing hole 21 of the valve cover 2 and the outside atmosphere, so that water vapor in the atmosphere cannot enter the cavity of the valve cover 2, and the pressure regulating assembly 3 is prevented from being rusted due to frosting, thereby changing the working pressure of the booster valve; and the piston plate 62 is slidably disposed within the cylinder 61 to ensure that the cavity of the valve cover maintains a stable pressure during temperature changes.
Further, in the anti-frosting low-temperature booster valve in the embodiment, the top end of the valve cover 2 is provided with an external thread.
The bottom of cylinder 61 is equipped with internal thread pipe 64, and the internal thread hole 64 meshing of the cylinder 61 bottom is on valve gap 2, makes cylinder 61 and valve gap 2 detachable connections, makes things convenient for pressure regulating, the maintenance of booster valve.
The third sealing gasket 65 is arranged in the internal threaded pipe 64, and when the cylinder 61 is connected with the valve cover 2, the third sealing gasket 65 is abutted against the top surface of the valve cover 2, so that the cylinder 61 and the valve cover 2 are better sealed.
Further, the anti-frosting low-temperature pressure increasing valve in the present embodiment, the breathing mask 6 further includes: a cylinder head 66.
The cylinder cover 66 covers the top of the cylinder 61 to prevent dust and other impurities from entering the cylinder, and the cylinder cover 66 is provided with a through hole to communicate the top chamber of the cylinder 61 with the outside atmosphere.
In the present invention, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacting the first feature and the second feature or indirectly contacting the first feature and the second feature through an intermediate.
Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An anti-frosting cryobooster valve, comprising: the valve comprises a valve body, a valve cover, a pressure regulating assembly, a valve clack assembly, a lower end cover and a breathing mask;
the valve body is provided with a valve cavity, a gas inlet, a gas outlet and a pressurizing inlet, the gas outlet and the pressurizing inlet are respectively communicated with the valve cavity, and a valve seat is arranged in the valve cavity;
the valve cover covers the top of the valve body, and is provided with a breathing hole;
the pressure regulating assembly is arranged in the valve cover;
the lower end cover is arranged at the bottom of the valve body;
the valve flap assembly includes: the valve core, the valve rod, the valve core sealing ring and the reset spring;
the valve core is slidably arranged in the valve cavity and is positioned below the valve seat, and the top end and the bottom end of the reset spring are respectively abutted against the valve core and the lower end cover;
the valve core sealing ring is arranged on the top surface of the valve core and used for abutting against the valve seat, and the valve core sealing ring is used for blocking the communication between the pressurization inlet and the valve cavity when abutting against the valve seat;
the valve rod penetrates through the valve body, and the top end and the bottom end of the valve rod are respectively abutted against the pressure regulating assembly and the valve core;
the respiratory mask is arranged on the valve cover and used for blocking the communication between the respiratory hole and the outside atmosphere.
2. The anti-frost cryo-booster valve of claim 1, wherein the pressure regulating assembly comprises: the pressure regulating device comprises a pressure regulating screw, a spring pressure plate, a pressure regulating spring, a diaphragm pressure plate and a diaphragm;
the top end and the bottom end of the pressure regulating spring are respectively propped against the spring pressing plate and the diaphragm pressing plate;
the diaphragm is positioned below the diaphragm pressing plate and is propped against the valve rod;
the pressure regulating screw rod is meshed with the top of the valve cover, the bottom end of the pressure regulating screw rod is abutted to the spring pressing plate, and the pressure regulating screw rod is used for regulating the pre-tightening force of the pressure regulating spring when rotating.
3. The anti-frost cryo-booster valve of claim 2, wherein the pressure regulator assembly further comprises: a lower valve seat;
the top end of the valve rod is arc-shaped;
the bottom of lower disk seat is equipped with the arc recess, lower disk seat sets up the diaphragm with between the valve rod, the arc recess is used for supplying the valve rod inserts.
4. The frost-resistant cryo-booster valve as claimed in claim 2, wherein the spring pressure plate has an arc-shaped protrusion at a bottom thereof, the arc-shaped protrusion being adapted to be inserted into the pressure regulating spring;
the top of diaphragm clamp plate is equipped with the joint recess, the joint recess is used for supplying the pressure regulating spring embedding.
5. The anti-frosting cryogenic pressure increasing valve according to claim 2, wherein a filter cotton is arranged between the diaphragm and the valve cover, and a first sealing gasket is arranged between the diaphragm and the valve body.
6. The frost resistant cryo-booster valve of claim 1 wherein the lower end cap is provided with a chute;
the valve core is arranged in the chute in a sliding way;
the bottom of the valve core is provided with a first groove, and the first groove is used for embedding the return spring;
and a second groove is formed in the top of the valve core and used for embedding the valve core sealing ring.
7. The anti-frosting low-temperature booster valve according to claim 1, wherein a mounting clamping groove is formed in the valve cavity of the valve body, an O-shaped sealing ring is arranged in the mounting clamping groove, and the O-shaped sealing ring is used for abutting against the valve rod;
and a second sealing gasket is arranged between the lower end cover and the valve body.
8. The frost protection cryo-booster valve of any of claims 1 to 7, wherein the respiratory mask comprises: a cylinder and a piston plate;
the cylinder barrel is arranged on the valve cover, and the breathing hole is communicated with the inner cavity of the cylinder barrel;
the side wall of the piston plate is provided with a sealing ring, the piston plate is arranged in the cylinder barrel in a sliding mode, and the sealing ring is abutted to the side wall of the cylinder barrel.
9. The frost resistant cryo-booster valve of claim 8 wherein the valve cover is externally threaded;
the bottom of the cylinder barrel is provided with an internal threaded pipe, so that the cylinder barrel is detachably connected with the valve cover in a threaded connection mode;
and a third sealing gasket is arranged in the internal thread pipe and used for abutting against the valve cover.
10. The anti-frost cryo-booster valve of claim 9, wherein the respiratory mask further comprises: a cylinder cover;
the cylinder cover covers the cylinder barrel, and the cylinder cover is provided with a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121618940.9U CN215334695U (en) | 2021-07-16 | 2021-07-16 | Frost-proof low-temperature booster valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121618940.9U CN215334695U (en) | 2021-07-16 | 2021-07-16 | Frost-proof low-temperature booster valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215334695U true CN215334695U (en) | 2021-12-28 |
Family
ID=79567833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121618940.9U Active CN215334695U (en) | 2021-07-16 | 2021-07-16 | Frost-proof low-temperature booster valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215334695U (en) |
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2021
- 2021-07-16 CN CN202121618940.9U patent/CN215334695U/en active Active
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