CN114294455B - Pressure valve suitable for double-channel opening - Google Patents
Pressure valve suitable for double-channel opening Download PDFInfo
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- CN114294455B CN114294455B CN202111607991.6A CN202111607991A CN114294455B CN 114294455 B CN114294455 B CN 114294455B CN 202111607991 A CN202111607991 A CN 202111607991A CN 114294455 B CN114294455 B CN 114294455B
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- 239000000446 fuel Substances 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 27
- 239000012528 membrane Substances 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 6
- 239000010705 motor oil Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 8
- 230000000712 assembly Effects 0.000 abstract description 7
- 238000000429 assembly Methods 0.000 abstract description 7
- 239000002828 fuel tank Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000295 fuel oil Substances 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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 diaphragm assembly, a lower valve cavity is arranged between a lower shell and the diaphragm assembly, the diaphragm assembly comprises a diaphragm and a mounting seat, a first interface is arranged on the lower shell and communicated with the lower valve cavity, a second interface and a third interface are arranged on the upper shell and communicated with the upper valve cavity, a valve seat is arranged at the third interface and provided with a middle channel, the middle channel is communicated with the upper valve cavity, a sealing ring is arranged at the outer port of the middle channel and provided with a valve core, the valve core is connected to a valve rod, the valve rod passes through the middle channel and is in jacking 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 inner moving spring. The double-channel pipeline for the double-oil-tank fuel pump assembly can ensure that corresponding oil tanks and corresponding fuel pump assemblies can smoothly return oil to the oil tanks when working, and can not return oil to other oil tanks, so that normal working is ensured.
Description
Technical Field
The invention relates to a pressure valve suitable for double-channel opening, which is applied to pipelines of an oil tank and a fuel pump assembly.
Background
In order to increase the vehicle endurance, the long endurance version of the same vehicle type can be provided with a double-oil-tank or the vehicle is of a long endurance double-oil-tank structure, 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 to the oil tank A, and when the electronic injection pump assembly B works in the oil tank B, the engine returns to the oil tank B, so that the electronic injection pump assemblies brought by cross work are prevented from being damaged. Meanwhile, in order to save cost, the pipelines of the engine are in a group. This requires the oil passage of the electronic injection pump assembly (i.e., the electronic injection fuel pump assembly) to have a switching function.
Disclosure of Invention
In view of the technical problems existing in the background art, the technical problems solved by the invention aim to provide a pressure valve suitable for dual-channel opening. The pressure valve can be suitable for a double-oil tank matched single-engine pipeline, plays a role of a control switch, and ensures that when the electric injection fuel pump assembly corresponding to the oil tank works, the engine returns 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 are opened, including last casing and lower casing, its characterized in that: the upper shell is connected with the lower shell, a diaphragm assembly is arranged between the upper shell and the lower shell, an upper valve cavity is arranged between the upper shell and the diaphragm assembly, a lower valve cavity is arranged between the lower shell and the diaphragm assembly, the diaphragm assembly comprises a diaphragm 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 and are communicated with the upper valve cavity, a valve seat is arranged at the third interface and 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 passes through the middle channel and is connected with the top of the mounting seat, an oil return space is reserved between the middle channel and the valve rod, and the valve rod is connected with an inner spring in a transmission manner. The double-channel pipeline for the double-oil-tank fuel pump assembly can ensure that corresponding oil tanks and corresponding fuel pump assemblies can smoothly return oil to the oil tanks when working, and can not return oil to other oil tanks, so that normal working is ensured.
The following various optimization or supplementary explanation can be performed on the above technical solutions, respectively.
For example, the mounting seat comprises a base and a fixed lock sleeve, the 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, the mounting seat is convenient to connect with the diaphragm, and the structure is stable;
The edge of the diaphragm is clamped and fixed by the upper shell and the lower shell, the diaphragm is connected with the upper shell and the lower shell, the structure is compact, the layout is reasonable, and the whole diaphragm is fixed and stable.
Further preferably, 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 upper shell and the lower shell have stable and firm structure for clamping the diaphragm and good sealing effect;
the first connecting portion still has the edge of borduring of buckling, and the edge and the second of borduring clamp diaphragm of buckling are flat to be marginal, and the cooperation of borduring through buckling realizes being connected of last casing, diaphragm and lower casing, realizes the installation of diaphragm fixed in the time of connecting, compact structure can need not extra connecting piece.
And the valve rod is provided with a spring seat, the inner moving spring is sleeved on the valve rod, one end of the inner moving spring is leaned against the spring seat, and the other end of the inner moving spring is leaned against the valve seat. The structure layout is reasonable, relatively compact, stable in operation and convenient to install.
And then optimizing, wherein the spring seat is sleeved on the valve rod, the spring seat is provided with a retaining clamp spring, and the retaining clamp spring is positioned between the spring seat and the mounting seat. The spring seat is connected to the valve rod conveniently, the spring seat can be limited in a stop mode, and the valve rod can pass through the valve seat and then be assembled.
For another example, a centering bell mouth is arranged on one side surface of the upper valve cavity of the mounting seat, the valve core is connected to 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 up in the operation process, and can return to the next operation after moving inwards to return. The horn mouth is located on the base, the structural layout is reasonable, and the position space is enough for the processing setting of the horn mouth. The fixed lock sleeve is sleeved on the lower side of the base.
For another example, 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 clamping spring is further arranged in the step inner hole, and the gasket or the clamping spring is positioned at the outer side of the sealing ring. The sealing ring is convenient to install, and the gasket or the clamp spring is used for limiting the sealing ring.
The valve core can be provided with a sealing spherical surface which is matched with the sealing ring smoothly, and even if the return is slightly inclined, the sealing matching can be ensured. Of course, a sealing cone may be employed.
For example, the valve core adopts a full steel ball or a semisteel ball. The processing and manufacturing technology is mature, the materials are convenient to obtain, the service life is long, the semisteel ball structure is convenient to install, and the semisteel ball structure is not easy to roll in the assembly process.
In addition, the first interface is provided with a first connection nozzle, and the second interface is provided with a second connection nozzle. Is convenient to connect with the pipeline and the pipeline.
The double-channel opening pressure valve has the beneficial effects that the double-channel opening pressure valve can be used for double-channel pipelines of double fuel tanks respectively provided with the fuel pump assemblies, each fuel tank can be supplied with fuel by the corresponding fuel pump assembly, and after the pressure valve is arranged, the engine can smoothly return oil to the working fuel tank without returning oil to other fuel tanks when the corresponding fuel tank and the corresponding fuel pump assembly work, so that the normal work is ensured. Thus, the present invention has outstanding substantial features and significant advances over the prior art.
Drawings
The details and working principles of the embodiments and examples of the present invention are described below with reference to the drawings.
Fig. 1 is a schematic structural view 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 base; 8. a first interface; 9. a second interface; 10. a third interface; 11. a valve seat; 12. an intermediate 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 the lock sleeve; 20. a first connection portion; 21. a second connecting portion; 24. bending and edge wrapping; 25. a spring seat; 26. a stop clamp spring; 27. a centering bell mouth; 28. clamping springs; 29. a first connection nozzle; 30. and a second connecting nozzle.
Detailed Description
The technical solutions 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 is apparent that the described embodiments are only some, but not all, embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making inventive efforts are within the scope of this invention.
Referring to the drawings, the embodiment of the present embodiment is a pressure valve suitable for dual-channel opening, and includes an upper housing 1 and a lower housing 2, where the upper housing 1 is connected with the lower housing 2 to form a valve body, a diaphragm assembly 3 is disposed between the upper housing 1 and the lower housing 2, an upper valve cavity 4 is disposed between the upper housing 1 and the diaphragm assembly 3, a lower valve cavity 5 is disposed between the lower housing 2 and the diaphragm assembly 3, and the valve body is separated 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 (typically a rubber sheet) and a mounting seat 7, and the mounting seat 7 is mounted and connected with the diaphragm 6.
The lower shell 2 is provided with a first connector 8, the first connector 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 connected into the lower valve cavity 5 through the first connector 8, the pressure in the lower valve cavity 5 is increased, so that the diaphragm assembly 3 floats upwards, the mounting seat 7 is pushed 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 assembly 3 returns, and the mounting seat 7 floats downwards to return.
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, and the second connector 9 is used for being connected with an engine oil return pipeline from which fuel oil returns to the upper valve cavity 4.
The third port 10 is provided with a valve seat 11, the valve seat 11 is provided with an intermediate passage 12, and the intermediate passage 12 is communicated with the upper valve cavity 4 so that fuel oil flows out from the upper valve cavity 4 through the intermediate passage 12; the outer port of the middle channel 12 is provided with a sealing ring 13, the sealing ring 13 is provided with a valve core 14, the valve core 14 is connected to a valve rod 15, the valve rod 15 passes through the middle channel 12 and is in jacking connection with the mounting seat 7, when the mounting seat 7 jacks up the valve rod 15, the valve rod 15 stretches out and can be opened to separate the valve core 14 from the sealing ring 13, so that fuel flows out from the upper valve cavity 4 through the middle channel 12, the outside of the valve seat 11 can be connected into a fuel tank, and the fuel flows out and flows back into the fuel tank. The valve rod 15 is matched with the split structure of the mounting seat 7 in a top transmission way, the mounting seat 7 is connected with the diaphragm assembly 3 and mounted on the upper shell and the lower shell, and the valve rod 15 is mounted, so that the installation is convenient and smooth. An oil return space 16 is reserved between the middle channel 12 and the valve rod 15, and the middle channel 12 is used for enabling the valve rod 15 to move and enabling fuel to flow back. The valve rod 15 is in transmission connection with an internal shift spring 17, and the internal shift 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 term "two-way" generally refers to a multi-way system, generally refers to more than two (including two), wherein each fuel tank is connected to a fuel pump assembly for supplying fuel to the fuel tank, the engine is provided with a group (i.e., a set) of pipelines, each fuel tank is connected to the pipeline of the engine, and the engine return outlet is connected to the second port 9 of each pressure valve of the present invention through each pipe.
According to the working principle of the invention, the pressure valves in the invention are in one-to-one correspondence with the fuel pump assemblies and the fuel tanks, for example, the A pressure valve is in correspondence with the A fuel pump assembly and the A fuel tank, and the B pressure valve is in correspondence with the B fuel pump assembly and the B fuel tank; the second interface 9 of each pressure valve is connected with an engine oil return outlet; the first connector 8 of each pressure valve is connected with the fuel supply port of the corresponding fuel pump assembly, the third connector 10 of each pressure valve is connected with the corresponding fuel tank (so that fuel flows back into the connected fuel tank), when one fuel pump assembly supplies fuel, the fuel 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 assembly 3 floats upwards, the ejector valve rod 15 stretches out, the valve core 14 is separated from the sealing ring 13, and the fuel flowing back into the upper valve cavity 4 of the corresponding pressure valve flows back into the corresponding fuel tank. The corresponding pressure valve of the other fuel pump assemblies which do not work is not opened, so that the fuel does not return to the corresponding fuel tank.
The pressure valve suitable for double-channel opening can be used for double-channel pipelines of double fuel tanks respectively provided with a fuel pump assembly, each fuel tank can be supplied with fuel by the corresponding fuel pump assembly, and after the pressure valve is configured, the pressure valve can ensure that when the corresponding fuel tank and the corresponding fuel pump assembly work, an engine can smoothly return oil to the working fuel tank, and can not return oil to other fuel tanks, so that normal work is ensured.
The following optimizations or further description can be made on the basis of the above embodiments, respectively.
For example, the mounting seat 7 comprises a base 18 and a fixed lock sleeve 19, the middle hole of the diaphragm 6 is sleeved on the step cylinder of the base 18 for mounting, the fixed lock sleeve 19 is used for arranging the connecting sleeve outside the step cylinder, the diaphragm 6 is positioned 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, and the mounting seat 7 and the diaphragm 6 are convenient to connect and stable in structure; the fixed lock sleeve 19 and the base 18 can be in threaded connection, tight fit connection or buckle connection. The edge of diaphragm 6 is fixed by last casing 1 and lower casing 2 clamp, and the diaphragm 6 is connected compact structure with last casing 1 and lower casing 2, and it is fixed to carry out clamp with diaphragm 6 when letting last casing 1 be connected with lower casing 2, and is rationally distributed, and the edge of diaphragm 6 is all clamped fixedly, and diaphragm 6 is wholly fixed stable.
Further optimizing, the first connecting portion 20 of the upper shell 1 is connected with the second connecting portion 21 of the lower shell 2, the first connecting portion 20 is provided with a first flat edge, the second connecting portion 21 is provided with a second flat edge, the corresponding first flat edge and the second flat edge can be formed by folding the upper shell 1 and the lower shell 2, the edge of the membrane 6 is clamped between the first flat edge and the second flat edge, the upper shell 1 and the lower shell 2 are stable in structure, the contact surface is larger, the clamping effect is better, the sealing effect is firmer, and the leakage is not easy to occur. In addition, the first connecting portion 20 further has a bending edge 24, the bending edge 24 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 by matching the bending edge 24, and meanwhile, the membrane 6 is installed and fixed, the structure is compact, and additional connecting pieces are not needed.
It can be optimized that the internal moving spring 17 is a compression spring, the internal moving spring 17 is arranged in the upper valve cavity 4, a spring seat 25 is arranged on the valve rod 15, the internal moving spring 17 is sleeved on the valve rod 15, one end of the internal moving spring 17 is leaned against the spring seat 25, and the other end of the internal moving spring 17 is leaned against the valve seat 11. The interior spring 17 is located inside, and structural layout is reasonable, and the wholeness is better, and the pressure valve can wholly be used for follow-up assembly (with assembly connection such as oil tank, engine, fuel pump, etc.), and the structure is compact relatively, and interior spring 17 and valve rod 15's operation is stable, and the installation is comparatively convenient.
Further preferably, 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 connected to the valve rod 15 conveniently, the retaining clamp spring 26 is used for retaining and limiting the spring seat 25, and the valve rod 15 can pass through the valve seat 11 and then be assembled with the inward spring 17, the spring seat 25, the retaining clamp spring 26 and the like, and then be assembled with the valve core 14 and the valve seat 11 together on the upper valve body.
For another example, a centering horn mouth 27 is arranged on one side surface of the upper valve cavity 4 of the mounting seat 7, namely, the centering horn mouth 27 is arranged on one side surface of the mounting seat 7 (the side surface is positioned on the upper valve cavity 4), 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 horn mouth 27, and then the mounting seat 7 is matched with the centering horn mouth 27 to push the valve rod 15 to operate; the valve rod 15 can be smoothly jacked up in the operation process so that the valve rod 15 stretches out to separate the valve core 14 from the sealing seat, and the centering bell mouth 27 rectifies and centers in the inward movement and return process of the valve rod 15, so that the next normal operation is ensured, the valve core 14 and the sealing seat are in sealing fit smoothly after the valve rod 15 is centered, the leakage problem is avoided, and particularly, an oil return space 16 is reserved between the middle channel 12 and the valve rod 15, and the valve rod 15 possibly swings in the operation process. The centering horn mouth 27 is positioned on the base 18, the structural layout is reasonable, and the position space is enough for the processing and setting of the centering horn mouth. The fixed lock sleeve 19 is sleeved and connected to the lower side of the base 18. The return bell 27 is an opening (generally, a rotor opening) having a transition curved surface or inclined surface between the upper and lower dimensions, and is directed upward toward the valve stem 15.
For another example, 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 clamping spring 28 is further arranged in the step inner hole, and the gasket or the clamping spring 28 is positioned on the outer side of the sealing ring 13. The sealing ring 13 is convenient to install, the sealing ring 13 is limited by the gasket or the clamp spring 28 outwards, the sealing ring 13 is ensured not to shift, the sealing ring 13 is generally an O-shaped sealing ring 13, and the hole wall of the step inner hole can be additionally provided with a groove ring for fixing the clamp spring 28.
The valve core 14 may have a sealing spherical surface, and the sealing spherical surface and the sealing ring 13 are matched and sealed smoothly, so that even if the valve rod 15 returns to the original position, the valve rod is slightly inclined due to swinging, the sealing matching can be ensured. Of course, a sealing cone may be employed.
For example, the spool 14 may be 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 assembly process. The half steel ball refers to a whole steel ball with a plane cut off part, and the half steel ball is not a whole steel ball but a sphere. The valve core 14 and the valve rod 15 can be fixedly connected by adopting a welding mode, a threaded screwing mode (a threaded hole and threaded column matching mode), an integral forming mode or 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 and spirit of the invention as defined in the appended claims.
Claims (9)
1. Pressure valve suitable for binary channels is opened, including last casing (1) and lower casing (2), its characterized in that:
the upper shell (1) is connected with the lower shell (2), a membrane 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 membrane component (3), a lower valve cavity (5) is arranged between the lower shell (2) and the membrane component (3),
The membrane component (3) comprises a membrane (6) and a mounting seat (7),
The lower shell (2) is provided with a first interface (8), 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),
The third interface (10) is provided with a valve seat (11), the valve seat (11) is provided with a middle channel (12), the middle channel (12) is communicated with the upper valve cavity (4), the outer port of the middle channel (12) is provided with a sealing ring (13), 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) passes through the middle channel (12) to be in jacking connection with the mounting seat (7),
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 spring (17) in a transmission way;
the first interface (8) is used for connecting fuel supplied by the electronic injection fuel pump assembly; the second interface (9) is used for connecting an engine oil return pipeline; the third interface (10) is used for connecting with the oil tank.
2. The pressure valve adapted for dual port opening of claim 1 wherein: the mounting seat (7) comprises a base (18) and a fixed lock sleeve (19), the middle hole of the membrane (6) is sleeved on a step cylinder of the base (18), the fixed lock sleeve (19) is connected with the sleeve outside the step cylinder, the membrane (6) is positioned between the fixed lock sleeve (19) and the base (18),
The edge of the membrane (6) is clamped and fixed by the upper shell (1) and the lower shell (2).
3. A pressure valve adapted for dual channel opening as claimed in 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 connecting portion (20) has a first flat edge,
The second connecting portion (21) has a second flat edge,
The edge of the membrane (6) is clamped between the first flat edge and the second flat edge;
the first connecting part (20) is also provided with a bending binding (24), and the bending binding (24) is used for binding the edge of the membrane (6) and the second flat edge.
4. The pressure valve adapted for dual port opening of claim 1 wherein: the internal moving spring (17) is a compression spring, the internal moving spring (17) is arranged in the upper valve cavity (4), a spring seat (25) is arranged on the valve rod (15), the internal moving spring (17) is sleeved on the valve rod (15), one end of the internal moving spring (17) is arranged on the spring seat (25) in a leaning manner, and the other end of the internal moving spring (17) is arranged on the valve seat (11) in a leaning manner.
5. The pressure valve adapted for dual port opening of claim 4 wherein: 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).
6. A pressure valve adapted for dual channel opening as claimed in claim 2 or 4, wherein: a centering bell mouth (27) is arranged on one side surface of the upper valve cavity (4) of the mounting seat (7), the valve core (14) is connected to 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 horn mouth (27) is positioned on the base (18);
The fixed lock sleeve (19) is sleeved on the lower side of the base (18).
7. The pressure valve adapted for dual port opening of claim 1 wherein: 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 positioned at the outer side of the sealing ring (13).
8. The pressure valve adapted for dual port opening of claim 1 wherein: the valve core (14) is provided with a sealing spherical surface or a sealing conical surface;
the valve core (14) adopts an all-steel ball or a half-steel ball.
9. The pressure valve adapted for dual port opening of claim 1 wherein: the first connection (8) is provided with a first connection (29) and the second connection (9) is provided with a second connection (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 |
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| CN114294455A CN114294455A (en) | 2022-04-08 |
| CN114294455B true 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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| 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 |
-
2021
- 2021-12-27 CN CN202111607991.6A patent/CN114294455B/en active Active
Patent Citations (9)
| 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 |
| CN201651476U (en) * | 2010-05-06 | 2010-11-24 | 程振中 | Novel combustion gas proportioning valve |
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| Publication number | Publication date |
|---|---|
| CN114294455A (en) | 2022-04-08 |
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