CN114294455A - Pressure valve suitable for double-channel opening - Google Patents
Pressure valve suitable for double-channel opening Download PDFInfo
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- CN114294455A CN114294455A CN202111607991.6A CN202111607991A CN114294455A CN 114294455 A CN114294455 A CN 114294455A CN 202111607991 A CN202111607991 A CN 202111607991A CN 114294455 A CN114294455 A CN 114294455A
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- 239000012528 membrane Substances 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 32
- 230000000712 assembly Effects 0.000 abstract description 6
- 238000000429 assembly Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 51
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 239000002828 fuel tank Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to a pressure valve suitable for double-channel opening, wherein an upper valve cavity is arranged between an upper shell and a membrane assembly, a lower valve cavity is arranged between a lower shell and the membrane assembly, the membrane assembly comprises a membrane and a mounting seat, a first interface is arranged on the lower shell and is communicated with the lower valve cavity, a second interface and a third interface are arranged on the upper shell, the second interface is communicated with the upper valve cavity, a valve seat is arranged at the third interface, the valve seat is provided with a middle channel, the middle channel is communicated with the upper valve cavity, a sealing ring is arranged at an outer port of the middle channel and is provided with a valve core, the valve core is connected to a valve rod, the valve rod penetrates through the middle channel and is in top transmission connection with the mounting seat, an oil return space is reserved between the middle channel and the valve rod, and the valve rod is in transmission connection with an inward-moving spring. The double-channel pipeline for the double-oil-tank fuel pump assemblies in the pressure valve can ensure that an engine can smoothly return oil to the oil tank and cannot return oil to other oil tanks to ensure normal operation when the corresponding oil tank and the corresponding fuel pump assembly work.
Description
Technical Field
The invention relates to a pressure valve suitable for opening double channels, which is applied to pipelines of an oil tank and a fuel pump assembly.
Background
In order to increase the vehicle endurance, a long endurance version of the same vehicle type can be provided with double oil tanks or the vehicle is of a long endurance double-oil-tank structure, and the type requires that two electronic injection pump assemblies cannot interfere with each other when working in different oil tanks, namely, when the electronic injection pump assembly A works in the oil tank A, an engine returns oil to the oil tank A, and when the electronic injection pump assembly B works in the oil tank B, the engine returns oil to the oil tank B, so that the damage of the electronic injection pump assembly caused by cross working is avoided. Meanwhile, in order to save cost, the pipelines of the engine are in one group. This requires the oil circuit of the electronic fuel pump assembly (i.e., the electronic fuel pump assembly) to be switched.
Disclosure of Invention
In view of the technical problems in the background art, the technical problem to be solved by the present invention is to provide a pressure valve suitable for double-channel opening. The pressure valve can be suitable for a pipeline of a double-oil-tank single-engine, plays a role of a control switch and ensures that when an electronic injection fuel pump assembly corresponding to an oil tank works, an engine returns oil to the corresponding oil tank.
In order to solve the technical problems, the invention adopts the following technical scheme: pressure valve suitable for binary channels is opened, including last casing and lower casing, its characterized in that: the upper shell is connected with the lower shell, a membrane assembly is arranged between the upper shell and the lower shell, an upper valve cavity is arranged between the upper shell and the membrane assembly, a lower valve cavity is arranged between the lower shell and the membrane assembly, the membrane assembly comprises a membrane and a mounting seat, a first interface is arranged on the lower shell and is communicated with the lower valve cavity, a second interface and a third interface are arranged on the upper shell, the second interface is communicated with the upper valve cavity, a valve seat is matched with the third interface, the valve seat is provided with an intermediate channel, the intermediate channel is communicated with the upper valve cavity, a sealing ring is arranged at an outer port of the intermediate channel and is matched with a valve core, the valve core is connected onto a valve rod, the valve rod penetrates through the intermediate channel and is connected with the mounting seat in a top transmission mode, an oil return space is reserved between the intermediate channel and the valve rod, and the valve rod is connected with an inward-moving spring in a transmission mode. The double-channel pipeline for the double-oil-tank fuel pump assemblies in the pressure valve can ensure that an engine can smoothly return oil to the oil tank and cannot return oil to other oil tanks to ensure normal operation when the corresponding oil tank and the corresponding fuel pump assembly work.
The following various optimization or supplementary explanations may be made in the above technical solutions.
For example, the mounting seat comprises a base and a fixed lock sleeve, a middle hole of the diaphragm is sleeved on a step cylinder of the base, the fixed lock sleeve connecting sleeve is arranged outside the step cylinder, the diaphragm is positioned between the fixed lock sleeve and the base, and the mounting seat is convenient to connect with the diaphragm and stable in structure;
the edge of the diaphragm is clamped and fixed by the upper shell and the lower shell, the structure that the diaphragm is connected with the upper shell and the lower shell is compact, the layout is reasonable, and the whole diaphragm is fixed stably.
The structure is further optimized, the first connecting part of the upper shell is connected with the second connecting part of the lower shell, the first connecting part is provided with a first flat edge, the second connecting part is provided with a second flat edge, the edge of the diaphragm is clamped between the first flat edge and the second flat edge, and the structure clamped by the diaphragm by the upper shell and the lower shell is stable and firm and has a good sealing effect;
the first connecting portion still has the edge of borduring of buckling, and the edge of borduring of buckling presss from both sides the edge with the second levels the edge, through buckling the cooperation of borduring and realizing being connected of casing, diaphragm and lower casing, realizes the installation of diaphragm fixed when connecting, compact structure can need not extra connecting piece.
The valve rod is provided with a spring seat, the inward moving spring is sleeved on the valve rod, one end of the inward moving spring is arranged on the spring seat in a leaning manner, and the other end of the inward moving spring is arranged on the valve seat in a leaning manner. The structure layout is reasonable, the structure layout is relatively compact, the operation is stable, and the installation is relatively convenient.
And optimizing, wherein the spring seat is sleeved on the valve rod and is provided with a non-return clamp spring, and the non-return clamp spring is positioned between the spring seat and the mounting seat. The spring holder is convenient to connect to the valve rod, can be spacing to the spring holder stopping, can let the valve rod pass the valve seat after the reassembly.
For another example, a centering bell mouth is arranged on one side surface of the upper valve cavity of the installation seat, the valve core is connected with one end of the valve rod, and the other end of the valve rod corresponds to the centering bell mouth; the valve rod can be smoothly jacked open in the operation process, and can return to the middle to wait for the next operation after moving back inwards. The centering bell mouth is positioned on the base, the structural layout is reasonable, and the position space is enough for the processing and the arrangement. The fixed lock sleeve is sleeved at the lower side of the base.
If the outer port of the valve seat is provided with a step inner hole, the sealing ring is matched in the step inner hole, a gasket or a clamp spring is further arranged in the step inner hole, and the gasket or the clamp spring is located on the outer side of the sealing ring. The sealing ring is convenient to install and is limited by a gasket or a clamp spring.
Wherein, the case can have sealed sphere, and it is smooth with the sealing washer cooperation, even the return is crooked slightly also can ensure sealed cooperation. Of course, a sealing cone may also be used.
For example, the valve core adopts a full steel ball or a semi-steel ball. The processing and manufacturing technology is mature, the materials are convenient to obtain, the service life is long, the semi-steel ball structure is convenient to install, and the semi-steel ball structure is not easy to roll in the assembling process.
In addition, the first mouthpiece is provided with a first connection mouth and the second mouthpiece is provided with a second connection mouth. The connection with pipelines and pipelines is convenient.
The pressure valve suitable for double-channel opening has the advantages that the pressure valve suitable for double-channel opening can be used for double-channel pipelines of double oil tanks respectively provided with fuel pump assemblies, each oil tank can be supplied with oil by the corresponding fuel pump assembly, and the pressure valve can ensure that an engine can smoothly return oil to the working oil tank and cannot return oil to other oil tanks to ensure normal working when the corresponding oil tank and the corresponding fuel pump assembly work. Therefore, compared with the prior art, the invention has outstanding substantive features and remarkable progress.
Drawings
The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the valve core and the valve rod in fig. 1 in an open state.
In the figure: 1. an upper housing; 2. a lower housing; 3. a diaphragm assembly; 4. an upper valve cavity; 5. a lower valve cavity; 6. a membrane; 7. a mounting seat; 8. a first interface; 9. a second interface; 10. a third interface; 11. a valve seat; 12. a middle channel; 13. a seal ring; 14. a valve core; 15. a valve stem; 16. an oil return space; 17. an inward moving spring; 18. a base; 19. fixing a lock sleeve; 20. a first connection portion; 21. a second connecting portion; 24. bending the edge; 25. a spring seat; 26. a retaining snap spring; 27. returning to the middle bell mouth; 28. a clamp spring; 29. a first connecting nozzle; 30. a second connection mouth.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to the drawings, in the embodiment of the present invention, the pressure valve suitable for dual-channel opening includes an upper casing 1 and a lower casing 2, the upper casing 1 is connected with the lower casing 2 to form a valve body, a diaphragm assembly 3 is disposed between the upper casing 1 and the lower casing 2, an upper valve cavity 4 is disposed between the upper casing 1 and the diaphragm assembly 3, a lower valve cavity 5 is disposed between the lower casing 2 and the diaphragm assembly 3, and the valve body is divided into the upper valve cavity 4 and the lower valve cavity 5 by the diaphragm assembly 3.
The diaphragm assembly 3 includes a diaphragm 6 (generally, a rubber sheet) and a mounting seat 7, and the mounting seat 7 is mounted and connected to the diaphragm 6.
The lower shell 2 is provided with a first interface 8, the first interface 8 is communicated with the lower valve cavity 5, when the electric injection fuel pump assembly is used, oil supplied by the electric injection fuel pump assembly is accessed from the first interface 8, the pressure in the lower valve cavity 5 is increased, so that the diaphragm component 3 floats upwards and floats upwards, and the mounting seat 7 is jacked upwards; after the electric injection fuel pump assembly stops working and stops supplying fuel, the pressure in the lower valve cavity 5 is reduced, the diaphragm component 3 returns, and the mounting seat 7 floats downwards and returns.
The upper housing 1 is provided with a second port 9 and a third port 10 for accessing the upper valve chamber 4.
The second connector 9 is communicated with the upper valve cavity 4, the second connector 9 is used for being connected with an oil return pipeline of the engine, and fuel oil returns to the upper valve cavity 4 from the oil return pipeline.
A valve seat 11 is arranged at the third port 10, the valve seat 11 is provided with a middle passage 12, and the middle passage 12 is communicated with the upper valve cavity 4 so that fuel can flow out from the upper valve cavity 4 through the middle passage 12; the outer port of middle passageway 12 is equipped with sealing washer 13, and sealing washer 13 is furnished with case 14, and case 14 is connected on valve rod 15, and valve rod 15 pass middle passageway 12 with mount pad 7 top is passed and is connected, and when mount pad 7 upwards pushed up valve rod 15, valve rod 15 stretches out, can open, separates case 14 and sealing washer 13 to let the fuel flow out through middle passageway 12 from last valve chamber 4, can insert the oil tank outside the disk seat 11, let the fuel flow backward flow to in the oil tank. Valve rod 15 passes the cooperation with the components of a whole that can function independently structure top of mount pad 7, and mount pad 7 will be installed on last casing and lower casing along with diaphragm assembly 3 is connected to and pack into valve rod 15, convenient smooth installation. An oil return space 16 is reserved between the intermediate channel 12 and the valve rod 15, and the intermediate channel 12 is used for both moving the valve rod 15 and returning fuel oil. The valve rod 15 is connected with an inward moving spring 17 in a transmission mode, the inward moving spring 17 is matched with the transmission valve rod 15 to drive the valve rod 15 to move inwards, and the valve rod 15 returns to enable the valve core 14 and the sealing ring 13 to be in a sealing state.
The two-channel generally refers to a multi-channel meaning, generally refers to two (including two) or more, wherein each fuel tank corresponds to a fuel pump assembly to be connected with the fuel tank for supplying fuel, the pipelines of the engine are in a group (i.e. one set), each fuel tank is connected with the pipeline of the engine, and the return oil outlet of the engine is connected with the second port 9 of each pressure valve of the invention through each pipe.
According to the working principle of the invention, the pressure valve is in one-to-one correspondence with the fuel pump assembly and the fuel tank, for example, the pressure valve A corresponds to the fuel pump assembly A and the fuel pump assembly B corresponds to the fuel tank A, and the pressure valve B corresponds to the fuel pump assembly B; the second port 9 of each pressure valve is connected with an oil return outlet of the engine; the first interface 8 of each pressure valve is connected with the oil supply port of the corresponding fuel pump assembly, the third interface 10 of each pressure valve is connected with the corresponding oil tank (so that the fuel oil flows back into the connected oil tank), when a certain fuel pump assembly supplies oil, the fuel oil can be input into the lower valve cavity 5 of the corresponding pressure valve, the pressure in the lower valve cavity 5 is increased, the diaphragm component 3 floats upwards, the ejection valve rod 15 extends out, the valve core 14 is separated from the sealing ring 13, and the fuel oil returning to the upper valve cavity 4 of the corresponding pressure valve flows back into the corresponding oil tank. The pressure valves corresponding to other fuel pump assemblies which do not work are not opened, so that the fuel does not flow back to the corresponding fuel tanks.
The pressure valve suitable for double-channel opening can be used for double-channel pipelines of double oil tanks respectively provided with fuel pump assemblies, each oil tank can be supplied with oil by the corresponding fuel pump assembly, and the pressure valve can ensure that an engine can smoothly return oil to the working oil tank and cannot return oil to other oil tanks to ensure normal working when the corresponding oil tank and the corresponding fuel pump assembly work.
The following optimization or further explanation can be made on the basis of the above embodiments, respectively.
For example, the mounting seat 7 includes a base 18 and a fixed lock sleeve 19, the middle hole of the diaphragm 6 is sleeved on a stepped cylinder of the base 18 for mounting, the fixed lock sleeve 19 is sleeved outside the stepped cylinder, the diaphragm 6 is located between the fixed lock sleeve 19 and the base 18, the diaphragm 6 and the mounting seat 7 are fixed by the fixed lock sleeve 19, the mounting seat 7 and the diaphragm 6 are conveniently connected, and the structure is stable; wherein, the fixed lock sleeve 19 and the base 18 can be connected in a threaded screwing mode, a tight-fitting mode or a buckling mode. The edge of diaphragm 6 is cliied fixedly by last casing 1 and lower casing 2, and the compact structure that diaphragm 6 and last casing 1 and lower casing 2 are connected lets go up casing 1 and lower casing 2 and is cliied diaphragm 6 when being connected fixedly, and rationally distributed, and the edge of diaphragm 6 is all cliied fixedly, and diaphragm 6 overall fixation is stable.
Further optimize, first connecting portion 20 of last casing 1 is connected with second connecting portion 21 of casing 2 down, first connecting portion 20 has first flat edge, second connecting portion 21 has the second and levels the edge, can be through last casing 1, casing 2 turns over a corresponding first flat edge of formation down, the second levels the edge, press from both sides the edge of establishing diaphragm 6 between first flat edge and the second flat edge, go up casing 1 and casing 2 down with diaphragm 6 level stable in structure who cliies, the contact surface is bigger, it is better to press the effect, it is more firm, and sealed effect is better, be difficult for revealing. In addition, the first connecting portion 20 is also provided with a bent edge 24, the bent edge 24 wraps and clamps the edge of the membrane 6 and the second flat edge, the upper shell 1, the membrane 6 and the lower shell 2 are connected through the bent edge 24 in a matching mode, the membrane 6 is installed and fixed during connection, the structure is compact, and additional connecting pieces are not needed.
Preferably, the inward-moving spring 17 is a compression spring, the inward-moving spring 17 is arranged in the upper valve cavity 4, the valve rod 15 is provided with a spring seat 25, the inward-moving spring 17 is sleeved on the valve rod 15, one end of the inward-moving spring 17 is arranged on the spring seat 25 in an abutting mode, and the other end of the inward-moving spring 17 is arranged on the valve seat 11 in an abutting mode. The inward-moving spring 17 is located inside, the structural layout is reasonable, the integrity is better, the pressure valve can be integrally used for subsequent assembly (assembled and connected with an oil tank, an engine, a fuel pump and the like), the structure is relatively compact, the operation of the inward-moving spring 17 and the valve rod 15 is stable, and the installation is more convenient.
And optimally, the spring seat 25 is sleeved on the valve rod 15, the spring seat 25 is provided with a retaining snap spring 26, and the retaining snap spring 26 is positioned between the spring seat 25 and the mounting seat 7. The spring seat 25 is conveniently connected to the valve rod 15, the spring seat 25 is limited in stopping by the stopping snap spring 26, the valve rod 15 can penetrate through the valve seat 11 and then is assembled with the inward moving spring 17, the spring seat 25, the stopping snap spring 26 and the like, and then the valve rod 15, the valve core 14 and the valve seat 11 are assembled on the upper valve body.
For another example, a centering bell mouth 27 is arranged on one side surface of the upper valve cavity 4 of the mounting seat 7, that is, the centering bell mouth 27 is arranged on one side surface (the side surface is arranged in the upper valve cavity 4) of the mounting seat 7, the valve core 14 is connected to one end of the valve rod 15, the other end of the valve rod 15 corresponds to the centering bell mouth 27, and then the mounting seat 7 is matched with the top transmission valve rod 15 to operate through the centering bell mouth 27; the valve rod 15 can be smoothly jacked open in the operation process, so that the valve rod 15 extends out to separate the valve core 14 from the sealing seat, and the valve rod 15 is corrected and centered by the centering bell mouth 27 in the inward moving and centering process, the next normal operation is ensured, the valve core 14 is more smoothly matched with the sealing seat in a sealing manner after the valve rod 15 is centered, the leakage problem is avoided, particularly, an oil return space 16 is reserved between the middle channel 12 and the valve rod 15, and the valve rod 15 can swing in the operation process. The centering bell mouth 27 is positioned on the base 18, the structural layout is reasonable, and the position space is enough for the processing and arrangement. The fixed lock sleeve 19 is sleeved and connected with the lower side of the base 18. The centering bell 27 is an opening (generally, a rotary body opening) with a transition curved surface or an inclined surface between the upper part and the lower part, and faces the valve rod 15 upward.
For another example, the outer port of the valve seat 11 is provided with a stepped inner hole, the sealing ring 13 is matched in the stepped inner hole, a gasket or a snap spring 28 is further arranged in the stepped inner hole, and the gasket or the snap spring 28 is located on the outer side of the sealing ring 13. The sealing ring 13 is convenient to mount, the gasket or the clamp spring 28 limits the sealing ring 13 to ensure that the sealing ring 13 cannot shift, the sealing ring 13 generally adopts an O-shaped sealing ring 13, and a groove ring can be additionally arranged on the hole wall of the inner hole of the step to fix the clamp spring 28.
The valve element 14 may have a sealing spherical surface, which is smoothly fitted and sealed with the seal ring 13, and thus, even if the valve rod 15 is slightly tilted due to its return position. Of course, a sealing cone may also be used.
For example, the valve element 14 is a full steel ball or a half steel ball. The processing and manufacturing technology of the steel ball is mature, the materials are convenient to obtain, the service life is long, and the semi-steel ball structure is convenient to install and is not easy to roll in the assembling process. Half steel ball means that a plane is cut off on the full steel ball, and the other half steel ball means that the full steel ball is not a complete full steel ball and is not a sphere with two halves. The valve core 14 and the valve rod 15 can be fixedly connected by welding, screwing (matching mode of a threaded hole and a threaded column) or integrally forming connection and the like.
The foregoing is a preferred embodiment of the present invention, and it should be noted that the scope of the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the scope of the invention as set forth in the claims.
Claims (10)
1. Pressure valve suitable for binary channels is opened, including last casing (1) and casing (2) down, its characterized in that:
the upper shell (1) is connected with the lower shell (2), a diaphragm component (3) is arranged between the upper shell (1) and the lower shell (2), an upper valve cavity (4) is arranged between the upper shell (1) and the diaphragm component (3), a lower valve cavity (5) is arranged between the lower shell (2) and the diaphragm component (3),
the diaphragm component (3) comprises a diaphragm (6) and a mounting seat (7),
a first interface (8) is arranged on the lower shell (2), the first interface (8) is communicated with the lower valve cavity (5),
the upper shell (1) is provided with a second interface (9) and a third interface (10), the second interface (9) is communicated with the upper valve cavity (4),
a valve seat (11) is arranged at the third interface (10), the valve seat (11) is provided with a middle channel (12), the middle channel (12) is communicated with the upper valve cavity (4), a sealing ring (13) is arranged at the outer port of the middle channel (12), the sealing ring (13) is provided with a valve core (14), the valve core (14) is connected on a valve rod (15), the valve rod (15) penetrates through the middle channel (12) to be connected with the mounting seat (7) in a top transmission way,
an oil return space (16) is reserved between the middle channel (12) and the valve rod (15),
the valve rod (15) is connected with an inward moving spring (17) in a transmission way.
2. Pressure valve suitable for two-way opening according to claim 1, characterized in that: the mounting seat (7) comprises a base (18) and a fixed lock sleeve (19), a middle hole of the diaphragm (6) is sleeved on a step cylinder of the base (18), the fixed lock sleeve (19) is connected and sleeved outside the step cylinder, the diaphragm (6) is positioned between the fixed lock sleeve (19) and the base (18),
the edge of the diaphragm (6) is clamped and fixed by the upper shell (1) and the lower shell (2).
3. Pressure valve suitable for two-way opening according to claim 1 or 2, characterized in that: the first connecting part (20) of the upper shell (1) is connected with the second connecting part (21) of the lower shell (2),
the first connection portion (20) has a first flat edge,
the second connecting portion (21) has a second flat edge,
the edge of the diaphragm (6) is clamped between the first flat edge and the second flat edge;
the first connecting part (20) is also provided with a bent edge covering (24), and the edge of the membrane (6) and the second flat edge are covered by the bent edge covering (24).
4. Pressure valve suitable for two-way opening according to claim 1, characterized in that: the inward moving spring (17) is a compression spring, the inward moving spring (17) is arranged in the upper valve cavity (4), a spring seat (25) is arranged on the valve rod (15), the inward moving spring (17) is sleeved on the valve rod (15), one end of the inward moving spring (17) is arranged on the spring seat (25) in a leaning mode, and the other end of the inward moving spring (17) is arranged on the valve seat (11) in a leaning mode.
5. Pressure valve suitable for two-way opening according to claim 4, characterized in that: spring holder (25) cover is established on valve rod (15), and spring holder (25) are furnished with stopping jump ring (26), and stopping jump ring (26) are located between spring holder (25) and mount pad (7).
6. Pressure valve suitable for two-way opening according to claim 2, characterized in that: a centering bell mouth (27) is arranged on one side surface of the mounting seat (7) positioned in the upper valve cavity (4), the valve core (14) is connected with one end of the valve rod (15), and the other end of the valve rod (15) corresponds to the centering bell mouth (27);
the centering bell mouth (27) is positioned on the base (18);
the fixed lock sleeve (19) is sleeved on the lower side of the base (18).
7. Pressure valve suitable for two-way opening according to claim 1, characterized in that: the outer port of the valve seat (11) is provided with a step inner hole, the sealing ring (13) is matched in the step inner hole, a gasket or a clamp spring (28) is further arranged in the step inner hole, and the gasket or the clamp spring (28) is located on the outer side of the sealing ring (13).
8. Pressure valve suitable for two-way opening according to claim 1, characterized in that: the valve core (14) has a sealing spherical surface or a sealing conical surface.
9. Pressure valve suitable for two-way opening according to claim 8, characterized in that: the valve core (14) adopts a full steel ball or a semi-steel ball.
10. Pressure valve suitable for two-way opening according to claim 1, characterized in that: the first connection (8) is provided with a first connection mouth (29) and the second connection (9) is provided with a second connection mouth (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111607991.6A CN114294455B (en) | 2021-12-27 | 2021-12-27 | Pressure valve suitable for double-channel opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111607991.6A CN114294455B (en) | 2021-12-27 | 2021-12-27 | Pressure valve suitable for double-channel opening |
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| Publication Number | Publication Date |
|---|---|
| CN114294455A true CN114294455A (en) | 2022-04-08 |
| CN114294455B CN114294455B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111607991.6A Active CN114294455B (en) | 2021-12-27 | 2021-12-27 | Pressure valve suitable for double-channel opening |
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|---|---|---|---|---|
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| CN202209454U (en) * | 2011-09-09 | 2012-05-02 | 浙江高阳汽车电子有限公司 | Pressure limiting valve of fuel pump assembly |
| CN104948366A (en) * | 2015-07-17 | 2015-09-30 | 温州巴腾电子科技有限公司 | Direct injection high-pressure fuel pump |
| CN204755111U (en) * | 2015-06-18 | 2015-11-11 | 朱丽春 | A fuel supply device for dual -purpose internal -combustion engine of oil gas |
| CN208330586U (en) * | 2018-03-07 | 2019-01-04 | 瑞安市旭众汽车部件有限公司 | A kind of vehicle fuel pressure regulator valve |
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2021
- 2021-12-27 CN CN202111607991.6A patent/CN114294455B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092009U (en) * | 1991-04-18 | 1992-01-01 | 祁世宽 | Throttle valve |
| DE19739841A1 (en) * | 1997-09-11 | 1999-04-01 | Walter Schiffer | Pressure regulating valve for vehicle fuel system |
| CN201047454Y (en) * | 2007-05-12 | 2008-04-16 | 广东万和集团有限公司 | Gas proportion valve |
| CN201187609Y (en) * | 2008-05-09 | 2009-01-28 | 姜宗哲 | Self-operated flow controlling valve |
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| CN104948366A (en) * | 2015-07-17 | 2015-09-30 | 温州巴腾电子科技有限公司 | Direct injection high-pressure fuel pump |
| CN208330586U (en) * | 2018-03-07 | 2019-01-04 | 瑞安市旭众汽车部件有限公司 | A kind of vehicle fuel pressure regulator valve |
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| CN114294455B (en) | 2024-04-26 |
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