CN217898830U - Stable novel check valve - Google Patents
Stable novel check valve Download PDFInfo
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- CN217898830U CN217898830U CN202221324612.2U CN202221324612U CN217898830U CN 217898830 U CN217898830 U CN 217898830U CN 202221324612 U CN202221324612 U CN 202221324612U CN 217898830 U CN217898830 U CN 217898830U
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Abstract
The utility model discloses a stable novel check valve, which comprises a valve body and a valve core cavity arranged inside the valve body, wherein the valve core cavity is communicated with an outlet and an inlet on the valve body; the valve core cavity is internally provided with a valve core and a valve seat, the valve seat is detachably arranged in the valve core cavity, the valve core cavity is communicated with an outlet and an inlet on the valve body through the valve seat, the valve core is connected with the valve core cavity in a sliding and sealing manner, the valve core is used for opening or closing the communication relation between the valve core cavity and the outlet and the inlet on the valve body, the valve core cavity is also internally provided with a guide sleeve, and the valve core is connected with the guide sleeve in a sliding and sealing manner. A first magnet is arranged on the valve core, a valve cover is also arranged on the valve body, a second magnet is arranged on the valve cover and is positioned right above the first magnet, and the magnetic poles of the first magnet and the second magnet are the same; the utility model has the advantages of good stability.
Description
Technical Field
The utility model relates to a single current valve technical field, concretely relates to stable novel single current valve.
Background
The check valve refers to a one-way throttle valve, which is a valve for controlling a fluid flow by changing a throttle section or a throttle length. The throttle valve and the one-way valve are connected in parallel to form the one-way throttle valve.
The throttle valve and the one-way throttle valve are simple flow control valves, and in a constant displacement pump hydraulic system, the throttle valve and an overflow valve are matched to form three throttling speed regulating systems, namely an oil inlet path throttling speed regulating system, an oil return path throttling speed regulating system and a bypass throttling speed regulating system.
The throttle valve has no flow negative feedback function, cannot compensate speed instability caused by load change, and is generally only used in occasions with small load change or low requirement on speed stability.
The check valve in the prior art mostly uses the spring to be connected with a valve core or a valve rod, but the stability of the spring is poor, and the spring needs to be replaced regularly and maintained regularly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stable novel single current valve, the purpose is the poor stability's of solving current single current valve when using problem.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a stable novel check valve comprises a valve body and a valve core cavity arranged in the valve body, wherein the valve core cavity is communicated with an outlet and an inlet on the valve body;
the valve core cavity is internally provided with a valve core and a valve seat, the valve seat is detachably arranged in the valve core cavity, the valve core cavity is communicated with an outlet and an inlet on the valve body through the valve seat, the valve core is connected with the valve core cavity in a sliding and sealing manner, the valve core is used for opening or closing the communication relation between the valve core cavity and the outlet and the inlet on the valve body, the valve core cavity is also internally provided with a guide sleeve, and the valve core is connected with the guide sleeve in a sliding and sealing manner.
The valve core is provided with a first magnet, the valve body is further provided with a valve cover, a second magnet is arranged on the valve cover and is located right above the first magnet, and the magnetic poles of the first magnet and the second magnet are the same.
Further inject, valve gap and valve body pass through the bolt detachable connection.
The valve cover is further optimized to be provided with a first annular groove, the valve body is provided with a second annular groove, the first annular groove corresponds to the second annular groove in position, sealing rings are arranged in the first annular groove and the second annular groove, and the valve cover and the valve body are in detachable sealing connection after the sealing rings arranged in the first annular groove and the second annular groove are pressed tightly through bolts.
Further optimize, be provided with first sealing ring on the position that case and disk seat contacted, the case is used for through first sealing ring and case seat sealing connection.
Further optimize, be provided with the second sealing ring on the position of disk seat and valve body contact, the disk seat passes through second sealing ring and valve body sealing connection.
Further optimizing, be provided with the external screw thread on the disk seat, be provided with the internal thread on the position that the case chamber corresponds the disk seat, disk seat and valve body pass through external screw thread with screw thread cooperation back thread sealing connection.
Further optimizing, the position of the valve body corresponding to the inlet and the outlet is provided with a flange plate.
Further limit, a water inlet channel and a water discharge channel are arranged in the valve body, and the inlet, the water inlet channel, the valve core cavity, the water discharge channel and the outlet are communicated with each other.
Further limited, the water inlet channel and the water drainage channel are obliquely arranged.
Further, the first magnet and the second magnet are both strong magnets.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses mainly include the valve body, export and entry on case chamber and the valve body, in the use of reality, when carrying out unidirectional transmission to gas, the magnetic pole is the same between first magnet of setting on the case and the second magnet of setting on the valve gap, because the homopolar repulsion principle of magnet, the case tightly laminates with the disk seat after receiving magnetic force, install single current valve between two gas transmission lines, gas or liquid get into the bottom of disk seat after passing through the entry, the case receives behind the pressure that gas or liquid produced, overcome the magnetic force of first magnet and second magnet, make the case upwards slide, gas or liquid flow out from the export after getting into the case chamber through the disk seat this moment, after gas or liquid stop getting into from the entry, the case is because the magnetic force that produces between first magnet and the second magnet tightly laminates with the disk seat once more, gliding in-process about the case intracavity, the cover plays the effect of leading positive to the case, use first magnet and second magnet to be difficult for becoming invalid, and then can make single current valve more stable at the during operation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
In the figure, 1-valve body, 2-valve core cavity, 3-outlet, 4-inlet, 5-valve core, 6-valve seat, 7-first magnet, 8-second magnet, 9-valve cover, 10-first annular groove, 11-second annular groove, 12-sealing ring, 13-first sealing ring, 14-second sealing ring, 15-flange plate, 16-water inlet channel, 17-water outlet channel, 18-air inlet hole, 19-pressure relief hole and 20-pressure relief plug.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in fig. 1 and fig. 2, the present embodiment discloses a stable novel check valve, which includes a valve body 1 and a valve core chamber 2 disposed inside the valve body 1, wherein the valve core chamber 2 is communicated with an outlet 3 and an inlet 4 on the valve body 1;
the valve core cavity 2 is internally provided with a valve core 5 and a valve seat 6, the valve seat 6 is detachably arranged in the valve core cavity 2, the valve core cavity 2 is communicated with an outlet 3 and an inlet 4 on the valve body 1 through the valve seat 6, the valve core 5 is connected with the valve core cavity 2 in a sliding and sealing manner, the valve core 5 is used for opening or closing the communication relation between the valve core cavity 2 and the outlet 3 and the inlet 4 on the valve body 1, the valve core cavity 2 is also internally provided with a guide sleeve, and the valve core 5 is connected with the guide sleeve in a sliding and sealing manner.
A first magnet 7 is arranged on the valve core 5, a valve cover 9 is also arranged on the valve body 1, a second magnet 8 is arranged on the valve cover 9, the second magnet 8 is positioned right above the first magnet 7, and the magnetic poles of the first magnet 7 and the second magnet 8 are the same;
the utility model discloses mainly include valve body 1, export 3 and entry 4 on case chamber 2 and the valve body 1, in actual use, when carrying out unidirectional transmission to gas, the magnetic pole is the same between first magnet 7 of setting on case 5 and the second magnet 8 of setting on valve gap 9, because the homopolar repulsion principle of magnet, case 5 tightly laminates with disk seat 6 after receiving magnetic force, install between two gas transmission lines with the single current valve, gaseous or liquid passes through the bottom that gets into disk seat 6 behind the entry 4, after case 5 receives the pressure that gaseous or liquid produced, overcome the magnetic force of first magnet 7 and second magnet 8, make case 5 upwards slide, gaseous or liquid flow out from export 3 after getting into case chamber 2 through disk seat 6 this moment, after gaseous or liquid stops to get into from entry 4, case 5 is because the magnetic force that produces between first magnet 7 and the second magnet 8 tightly laminates with disk seat 6 once more, the gliding in-process from top to bottom in case chamber 2 at case 5, the guide cover plays the effect of leading just to case 5, use first magnet 7 and second magnet 8 and the during operation, and then can make single current valve more stable.
Further inject, valve gap 9 and valve body 1 pass through the bolt can dismantle and be connected, set up like this and make things convenient for the dismantlement between valve gap 9 and the valve body 1, make things convenient for the maintainer to maintain valve body 1 inside.
Further optimize, be provided with first ring channel 10 on the valve gap 9, be provided with second ring channel 11 on the valve body 1, first ring channel 10 is corresponding with the position of second ring channel 11, is provided with sealing washer 12 in first ring channel 10 and the second ring channel 11, and valve gap 9 and valve body 1 realize dismantling sealing connection after will setting up in first ring channel 10 and the interior sealing washer 12 of second ring channel 11 compresses tightly through the bolt.
In the actual use process, in order to prevent the occurrence of liquid leakage and gas leakage caused by a gap between the valve body 1 and the valve cover 9, sealing rings 12 are arranged in the valve cover 9 and the first annular groove 10 and the second annular groove 11 on the valve body 1, and the sealing rings 12 are compressed by bolts to seal the gap between the valve body 1 and the valve cover 9.
Further optimize, be provided with first sealing ring 13 on the position that case 5 and disk seat 6 contacted, case 5 is used for through first sealing ring 13 and case 5 seat sealing connection, and the effect of setting up first sealing ring 13 is that the sealed effect between case 5 and disk seat 6 is better.
Further preferably, a second sealing ring 14 is arranged at a position where the valve seat 6 contacts the valve body 1, the valve seat 6 is connected with the valve body 1 in a sealing mode through the second sealing ring 14, and the second sealing ring 14 is arranged between the valve seat 6 and the valve body 1 to prevent gas or liquid from flowing out of a gap between the valve body 1 and the valve seat 6.
Further optimize, be provided with the external screw thread on the disk seat 6, be provided with the internal thread on the position that the case chamber 2 corresponds disk seat 6, disk seat 6 passes through with valve body 1 the external screw thread with thread sealing connection behind the interior screw-thread fit sets up like this and can make things convenient for the staff to dismantle disk seat 6, has improved the efficiency of changing disk seat 6.
Further preferably, the valve body 1 is provided with a flange 15 at the position corresponding to the inlet 4 and the outlet 3, and the flange 15 is convenient to mount and connect.
Further, the valve body 1 is internally provided with a water inlet channel 16 and a water outlet channel 17, and the inlet 4, the water inlet channel 16, the valve core cavity 2, the water outlet channel 17 and the outlet 3 are communicated with each other.
Further, the water inlet channel 16 and the water outlet channel 17 are obliquely arranged, and the obliquely arranged water inlet pipeline and the obliquely arranged water outlet pipeline can prevent liquid from flowing back when the water potential is small.
Further, the first magnet 7 and the second magnet 8 are strong magnets, and the magnetism of the strong magnets is large, so that the phenomenon that the magnetic force generated between the first magnet 7 and the second magnet 8 is far smaller than the pressure generated by the gas and the liquid due to overlarge gas pressure or hydraulic pressure generated by the gas or the liquid is avoided.
Example two
As shown in fig. 1 and fig. 2, the present embodiment is further optimized based on the first embodiment, in the present embodiment, the valve core 5 is provided with the air inlet 18, the air inlet 18 is communicated with the outlet 3, in an actual use process, in order to further prevent backflow of air and liquid, when a water pressure or an air pressure in the water discharge channel 17 is greater than that of the water inlet channel 17, the liquid or the air applies a pressure to the valve core 5 through the air inlet 18, so that a fitting relationship between the valve core 5 and the valve seat 6 is firmer.
EXAMPLE III
The embodiment is further optimized on the basis of the first embodiment, in the embodiment, the valve cover 9 is provided with the pressure relief opening 19, the pressure relief plug 20 is arranged inside the pressure relief opening 19, and the pressure relief opening is arranged to relieve the pressure in the valve body 1 after the transportation of gas is completed, so that potential safety hazards are prevented.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. The above description is intended to be illustrative of the present invention and not restrictive, and any modifications, equivalents, and improvements made within the spirit and scope of the present invention are intended to be included therein.
Claims (10)
1. A stable novel check valve which characterized in that: the valve core cavity (2) is communicated with an outlet (3) and an inlet (4) on the valve body (1);
a valve core (5) and a valve seat (6) are arranged in the valve core cavity (2), the valve seat (6) is detachably arranged in the valve core cavity (2), the valve core cavity (2) is communicated with an outlet (3) and an inlet (4) on the valve body (1) through the valve seat (6), the valve core (5) is in sliding sealing connection with the valve core cavity (2), the valve core (5) is used for opening or closing the communication relation between the valve core cavity (2) and the outlet (3) and the inlet (4) on the valve body (1), a pilot sleeve is further arranged in the valve core cavity (2), and the valve core (5) is in sliding sealing connection with the pilot sleeve;
the valve core (5) is provided with a first magnet (7), the valve body (1) is further provided with a valve cover (9), the valve cover (9) is used for sealing the valve body (1), the valve cover (9) is provided with a second magnet (8), the second magnet (8) is located right above the first magnet (7), and the magnetic poles of the first magnet (7) and the second magnet (8) are the same.
2. The new and stable check valve as set forth in claim 1, wherein: the valve cover (9) is detachably connected with the valve body (1) through bolts.
3. A new stable single flow valve as claimed in claim 2, wherein: be provided with first ring channel (10) on valve gap (9), be provided with second ring channel (11) on valve body (1), first ring channel (10) are corresponding with the position of second ring channel (11), are provided with the second in first ring channel (10) and second ring channel (11), and valve gap (9) and valve body (1) will set up and realize dismantling sealing connection after first ring channel (10) and second ring channel (11) inner seal circle (12) compress tightly through the bolt.
4. The new and stable check valve as set forth in claim 1, wherein: a first sealing ring (13) is arranged at the position where the valve core (5) is contacted with the valve seat (6), and the valve core (5) is used for being connected with the valve core (5) seat in a sealing way through the first sealing ring (13).
5. The new and stable check valve as set forth in claim 1, wherein: a second sealing ring (14) is arranged at the position where the valve seat (6) is contacted with the valve body (1), and the valve seat (6) is hermetically connected with the valve body (1) through the second sealing ring (14).
6. The new and stable check valve as claimed in claim 5, wherein: an external thread is arranged on the valve seat (6), an internal thread is arranged at the position, corresponding to the valve seat (6), of the valve core cavity (2), and the valve seat (6) is in threaded sealing connection with the valve body (1) through the external thread after being matched with the internal thread.
7. The new and stable check valve as claimed in claim 1, wherein: the valve body (1) is provided with a flange (15) corresponding to the inlet (4) and the outlet (3).
8. The new and stable check valve as set forth in claim 1, wherein: the valve body (1) is internally provided with a water inlet channel (16) and a water drainage channel (17), and the inlet (4), the water inlet channel (16), the valve core cavity (2), the water drainage channel (17) and the outlet (3) are communicated with each other.
9. The new and stable check valve as set forth in claim 1, wherein: the water inlet channel (16) and the water discharge channel (17) are obliquely arranged.
10. The new and stable check valve as claimed in claim 1, wherein: the first magnet (7) and the second magnet (8) are both strong magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221324612.2U CN217898830U (en) | 2022-05-30 | 2022-05-30 | Stable novel check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221324612.2U CN217898830U (en) | 2022-05-30 | 2022-05-30 | Stable novel check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217898830U true CN217898830U (en) | 2022-11-25 |
Family
ID=84111830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221324612.2U Active CN217898830U (en) | 2022-05-30 | 2022-05-30 | Stable novel check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217898830U (en) |
-
2022
- 2022-05-30 CN CN202221324612.2U patent/CN217898830U/en active Active
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