CN222255162U - Magnetic stop check valve - Google Patents
Magnetic stop check valve Download PDFInfo
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- CN222255162U CN222255162U CN202323486172.8U CN202323486172U CN222255162U CN 222255162 U CN222255162 U CN 222255162U CN 202323486172 U CN202323486172 U CN 202323486172U CN 222255162 U CN222255162 U CN 222255162U
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- valve rod
- stem
- check valve
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Abstract
本实用新型公开了一种磁性截止止回阀，包括：阀体，阀体具备一流道，流道具备一沿第一平面布置的密封座；第一阀杆，第一阀杆能够沿垂直于第一平面的第二方向运动；第二阀杆，第二阀杆的下端具备与密封座相匹配的密封部，第二阀杆能够沿第二方向运动；其中，第一阀杆具备第一磁性件，第二阀杆具备第二磁性件，第一磁性件与第二磁性件相斥。本实用新型采用磁性件袋体现有技术的弹簧，无需考虑弹簧的疲劳性能，寿命较高，且具有较高的控制精度。同时，本实用新型的设计不会造成由于颗粒杂质导致的弹簧被卡死、偏转等形成的失效问题。
The utility model discloses a magnetic stop check valve, comprising: a valve body, the valve body having a flow channel, the flow channel having a sealing seat arranged along a first plane; a first valve stem, the first valve stem being able to move along a second direction perpendicular to the first plane; a second valve stem, the lower end of the second valve stem being provided with a sealing portion matching the sealing seat, the second valve stem being able to move along the second direction; wherein the first valve stem is provided with a first magnetic component, the second valve stem is provided with a second magnetic component, and the first magnetic component repels the second magnetic component. The utility model adopts a magnetic component bag to embody a spring of the prior art, and there is no need to consider the fatigue performance of the spring, the service life is relatively long, and the control accuracy is relatively high. At the same time, the design of the utility model will not cause failure problems caused by the spring being stuck or deflected due to particulate impurities.
Description
Technical Field
The utility model relates to the technical field of check valves, in particular to a magnetic stop check valve.
Background
The existing stop check valve in the industry generally has the functions of stopping, checking and balancing the system flow, and the valve flow is adjustable and stopped mainly through a sealing component provided with a spring. The utility model discloses a stop check valve as in chinese patent CN202022747480.1, including valve body, valve rod and case, be provided with inlet opening and apopore on the valve body, be provided with the disk seat in the valve body between inlet opening and the apopore, set up the valve opening that communicates inlet opening and apopore on the disk seat, the upper end fixedly connected with valve cap of valve body, valve rod threaded connection is on the valve cap and can go up and down, the upper end of valve rod stretches out the valve cap and fixedly connected with hand wheel, the guiding hole has been seted up on the lower terminal surface of valve rod, the center department of case up end has convex guiding lever, the guiding lever inserts in the guiding hole, be fixed with the sealing washer on the case lower extreme, be connected with the spring between case and the valve cap, under the effect of spring the lower terminal surface of sealing washer supports and leans on the disk seat and seals the valve opening. The valve is characterized in that a spring is connected between the valve core and the valve cap, the lower end face of the sealing gasket is abutted against the valve seat to seal the valve hole under the action of the spring, the problems of limited elastic fatigue resistance, low service life and low control precision of the spring exist, various particle impurities exist in a pipeline at the same time, and the spring is easy to be blocked by the impurities and fails.
Disclosure of utility model
In view of the above, an object of the present utility model is to provide a magnetic stop check valve.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
A magnetic stop check valve, comprising:
a valve body having a flow passage with a seal seat arranged along a first plane;
A first valve stem movable in a second direction perpendicular to the first plane;
The lower end of the second valve rod is provided with a sealing part matched with the sealing seat, and the second valve rod can move along the second direction;
The first valve rod is provided with a first magnetic element, the second valve rod is provided with a second magnetic element, and the first magnetic element and the second magnetic element repel each other.
The magnetic stop check valve comprises a first valve rod, a second valve rod groove, a first valve rod and a second valve rod, wherein the lower end of the first valve rod is provided with the second valve rod groove;
the lower end of the first valve rod is provided with a first magnetic part groove, and the first magnetic part is arranged in the first magnetic part groove;
The upper end of the second valve rod is provided with a second magnetic part groove, and the second magnetic part is arranged in the second magnetic part groove.
The magnetic stop check valve, wherein the first magnetic piece groove is formed in the bottom surface of the second valve rod groove;
The first magnetic member is opposite the second magnetic member.
The magnetic stop check valve, wherein the valve body is provided with an inlet and an outlet, the sealing seat is arranged between the inlet and the outlet, and the sealing seat is provided with a valve hole communicated with the inlet and the outlet;
a valve cap is arranged above the sealing seat, an accommodating space is formed between the valve cap and the valve body, and a part of the first valve rod and the second valve rod are arranged in the accommodating space;
Wherein, first valve rod with valve cap threaded connection.
The magnetic stop check valve comprises a valve cap, wherein the upper end of the first valve rod protrudes out of the valve cap, one or more annular sealing grooves are formed in the outer wall of the first valve rod, and sealing O-shaped rings are formed between the outer wall of the first valve rod and the inner wall of the valve cap in the annular sealing grooves.
The magnetic stop check valve described above, wherein the bonnet includes a first portion having a smaller inner diameter located on an upper side and a second portion having a larger inner diameter located on a lower side;
The inner diameter of the first part is matched with the outer diameter of the first valve rod, and the inner diameter of the second part is larger than the outer diameter of the first valve rod;
The outer surface of the first valve rod extends outwards to form an annular boss part, an external thread is arranged on the boss part, and an internal thread matched with the external thread is arranged on the second part of the valve cap.
The magnetic stop check valve, wherein the inlet is arranged along a direction parallel to a first plane, the inlet is provided with a bending part, the axial direction of the tail end of the bending part is arranged along the second direction, and the sealing seat is arranged at the tail end of the bending part;
The outlet is arranged along a direction parallel to the first plane, the accommodating space is positioned at the upper part of the sealing seat, and the accommodating space is communicated with the outlet.
The magnetic stop check valve is characterized in that a valve clack assembly is arranged at the lower end of the second valve rod, and the outer edge of the lower surface provided by the valve clack assembly provides the sealing part.
The magnetic stop check valve, wherein the first magnetic piece and the second magnetic piece are magnets.
The magnetic stop check valve, wherein the magnetic poles of the opposite sides of the first magnetic piece and the second magnetic piece are the same.
The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:
(1) The utility model adopts the magnetic piece bag to embody the spring in the prior art, does not need to consider the fatigue property of the spring, has longer service life and higher control precision. Meanwhile, the design of the utility model does not cause the failure problem that the spring is blocked, deflected and the like due to particle impurities.
Drawings
Fig. 1 is a schematic view of a closed state of the magnetically cut check valve of the present utility model.
Fig. 2 is a schematic view of an opened state of the magnetic stop check valve of the present utility model.
Fig. 3 is a schematic view of a first valve stem of the magnetically shut-off check valve of the present utility model.
Fig. 4 is a schematic view of a second valve stem of the magnetically shut-off check valve of the present utility model.
In the drawings, 1, a valve body, 11, a sealing seat, 12, an inlet, 121, a bending part, 13, an outlet, 2, a first valve rod, 21, a second valve rod groove, 22, a first magnetic piece groove, 23, an annular sealing groove, 24, a boss part, 3, a second valve rod, 31, a second magnetic piece groove, 32, a valve clack assembly, 4, a first magnetic piece, 5, a second magnetic piece, 6, a valve cap, 61, a first part, 62, a second part, 7, an O-shaped ring, 8, a hand wheel, 81, a bolt, 82, a nut, 83 and a nameplate.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "transverse," "vertical," and the like are used for convenience in describing the present utility model based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the device or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, "horizontal" and "vertical" are used to describe a general positional relationship, and are not strictly "horizontal" or "vertical".
Referring to fig. 1 to 4, a magnetic stop check valve of a preferred embodiment is shown, which comprises a valve body 1, a first valve rod 2 and a second valve rod 3, wherein the valve body is provided with a flow passage, the flow passage is provided with a sealing seat 11 arranged along a first plane, the first valve rod 2 can move along a second direction perpendicular to the first plane, the lower end of the second valve rod 3 is provided with a sealing part matched with the sealing seat 11, and the second valve rod 3 can move along the second direction, the first valve rod 2 is provided with a first magnetic element 4, the second valve rod 3 is provided with a second magnetic element 5, and the first magnetic element 4 and the second magnetic element 5 repel each other.
In particular, the first valve stem 2 is allowed to move in a second direction, i.e. in the vertical direction in fig. 1, 2, with respect to the valve body 1 and can be temporarily fixed with respect to the valve body 1.
Specifically, the sealing portion of the second valve stem 2 moves between the first valve stem 1 and the sealing seat 11, and the second valve stem 2 has a tendency to move toward the sealing seat 11 due to the repulsive force provided by the first valve stem 1 to the second valve stem 2.
Specifically, when the fluid passes through the flow passage and passes through the seal seat 11, the sealing portion of the second valve stem 2 is lifted due to the fluid pressure, and the space between the first magnetic member 4 and the second magnetic member 5 is compressed.
Specifically, after the fluid passes through the seal seat 11, the sealing portion of the second valve stem 2 is pressed against the seal seat 11 to form a seal due to the repulsive force between the first magnetic member 4 and the second magnetic member 5.
More specifically, since the fluid is automatically sealed by the seal housing 11 after passing through the seal housing 11, the fluid cannot be returned in the original path, and the check is realized.
Specifically, the end of the lower end of the first valve rod 1 is operably abutted against the upper surface of the sealing portion, and at this time, the lower surface of the sealing portion is subjected to direct contact, constant pressure provided by the first valve rod 1, and is maintained in a state of being in contact with the sealing seat 11, thereby achieving the stop.
Further, as a preferred embodiment, the lower end of the first valve rod 2 is provided with a second valve rod groove 21, and the second valve rod 3 is provided inside the second valve rod groove 21.
Further, as a preferred embodiment, the lower end of the first valve rod 2 is provided with a first magnetic member groove 22, and the first magnetic member 4 is disposed in the first magnetic member groove 22.
Further, as a preferred embodiment, the second magnetic member groove 31 is formed at the upper end of the second valve rod 3, and the second magnetic member 5 is disposed in the second magnetic member groove 31.
Further, as a preferred embodiment, the first magnetic member groove 22 is formed on the bottom surface of the second valve stem groove 21.
Further, as a preferred embodiment, the first magnetic member 4 is opposite to the second magnetic member 5.
Further, as a preferred embodiment, the valve body 1 is provided with an inlet 12 and an outlet 13, the seal seat 11 is provided between the inlet 12 and the outlet 13, and the seal seat 11 is provided with a valve hole communicating the inlet 12 and the outlet 13.
Further, as a preferred embodiment, a bonnet 6 is disposed above the sealing seat 11, a containing space is formed between the bonnet 6 and the valve body 1, and a part of the first valve rod 2 and the second valve rod 3 are both disposed inside the containing space.
Preferably, a sealing ring is arranged between the valve cap 6 and the valve body 1.
Further, as a preferred embodiment, the first valve stem 2 is screwed with the bonnet 6.
Further, as a preferred embodiment, the upper end of the first valve rod 2 protrudes from the valve cap 6, one or more annular sealing grooves 23 are formed in the outer wall of the first valve rod 2, and an O-ring 7 for sealing between the outer wall of the first valve rod 2 and the inner wall of the valve cap 6 is arranged in the annular sealing groove 23.
Further, as a preferred embodiment, the bonnet 6 is provided with a first portion 61 having a smaller inner diameter on the upper side and a second portion 62 having a larger inner diameter on the lower side.
Further, as a preferred embodiment, the inner diameter of the first portion 61 matches the outer diameter of the first valve stem 2, and the inner diameter of the second portion 62 is larger than the outer diameter of the first valve stem 2.
Further, as a preferred embodiment, the outer surface of the first valve rod 2 is extended outwards to form an annular boss portion 24, the boss portion 24 is provided with external threads, and the second portion 62 of the valve cap 6 is separately provided with internal threads matched with the external threads.
In particular, the first valve stem 2 rotates to move in the vertical direction in fig. 1 and 2 with respect to the bonnet 6 to limit the floating space of the second valve stem 3.
In particular, the second valve stem 3 has a tendency to move toward the seal seat 11 due to the repulsive force provided by the first valve stem 2.
Further, as a preferred embodiment, the inlet 12 is arranged in a direction parallel to the first plane, the inlet 12 is provided with a curved portion 121, the axial direction of the end of the curved portion 121 is arranged in the second direction, and the seal seat 11 is provided at the end of the curved portion 121.
Further, as a preferred embodiment, the outlet 13 is arranged in a direction parallel to the first plane, and the receiving space is located at an upper portion of the seal housing 11, and the receiving space communicates with the outlet 13.
Further, as a preferred embodiment, the lower end of the second valve stem 3 is provided with a flap assembly 32, and the outer edge of the lower surface provided by the flap assembly 32 provides a seal.
In particular, the end of the lower end of the first valve stem 1 is operatively abutted against the upper surface of the flap assembly 32, in which case the flap assembly 32 is in close abutment with the sealing seat, maintaining the whole valve body 1 closed.
Further, as a preferred embodiment, the upper end of the first valve rod 2 is provided with a hand wheel 8.
Further, as a preferred embodiment, the upper end of the hand wheel 8 is provided with a bolt 81, and the bolt 81 is provided with a nut 82 matched with the bolt 81.
Further, as a preferred embodiment, a nameplate 83 is provided between the nut 82 and the hand wheel 8.
Further, as a preferred embodiment, the first magnetic member 4 and the second magnetic member 5 are both magnets.
Further, as a preferred embodiment, the first magnetic member 4 and the second magnetic member 5 have plastic coating layers on the outer portions thereof.
Further, as a preferred embodiment, the first magnetic member 4 and the second magnetic member 5 have the same magnetic poles on the opposite sides.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (10)
1. A magnetic stop check valve, comprising:
a valve body having a flow passage with a seal seat arranged along a first plane;
A first valve stem movable in a second direction perpendicular to the first plane;
The lower end of the second valve rod is provided with a sealing part matched with the sealing seat, and the second valve rod can move along the second direction;
The first valve rod is provided with a first magnetic element, the second valve rod is provided with a second magnetic element, and the first magnetic element and the second magnetic element repel each other.
2. The magnetic shut-off check valve of claim 1, wherein a second stem groove is formed in the lower end of the first stem, the second stem being disposed within the second stem groove;
the lower end of the first valve rod is provided with a first magnetic part groove, and the first magnetic part is arranged in the first magnetic part groove;
The upper end of the second valve rod is provided with a second magnetic part groove, and the second magnetic part is arranged in the second magnetic part groove.
3. The magnetic shut-off check valve of claim 2, wherein the first magnetic member groove is open to a bottom surface of the second valve stem groove;
The first magnetic member is opposite the second magnetic member.
4. The magnetic stop check valve of claim 1, wherein the valve body has an inlet and an outlet, the seal seat is disposed between the inlet and the outlet, and the seal seat has a valve hole communicating the inlet and the outlet;
a valve cap is arranged above the sealing seat, an accommodating space is formed between the valve cap and the valve body, and a part of the first valve rod and the second valve rod are arranged in the accommodating space;
Wherein, first valve rod with valve cap threaded connection.
5. The magnetic shut-off check valve of claim 4, wherein the upper end of the first valve stem protrudes from the bonnet, the outer wall of the first valve stem defines one or more annular seal grooves, and an O-ring is disposed within the annular seal grooves to form a seal between the outer wall of the first valve stem and the inner wall of the bonnet.
6. The magnetic shut-off check valve according to claim 4, wherein the bonnet has a first portion with a smaller inner diameter on an upper side and a second portion with a larger inner diameter on a lower side;
The inner diameter of the first part is matched with the outer diameter of the first valve rod, and the inner diameter of the second part is larger than the outer diameter of the first valve rod;
The outer surface of the first valve rod extends outwards to form an annular boss part, an external thread is arranged on the boss part, and an internal thread matched with the external thread is arranged on the second part of the valve cap.
7. The magnetic stop check valve of claim 4, wherein the inlet is disposed in a direction parallel to a first plane, the inlet having a curved portion, an axial direction of a distal end of the curved portion being disposed in the second direction, the seal seat being disposed at a distal end of the curved portion;
The outlet is arranged along a direction parallel to the first plane, the accommodating space is positioned at the upper part of the sealing seat, and the accommodating space is communicated with the outlet.
8. The magnetic shut-off check valve of claim 1, wherein a lower end of the second valve stem is provided with a flap assembly, an outer edge of a lower surface provided by the flap assembly providing the seal.
9. The magnetic shut-off check valve of claim 1, wherein the first magnetic member and the second magnetic member are both magnets.
10. The magnetic shut-off check valve of claim 9, wherein poles of the first and second magnetic members on opposite sides of each other are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323486172.8U CN222255162U (en) | 2023-12-20 | 2023-12-20 | Magnetic stop check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323486172.8U CN222255162U (en) | 2023-12-20 | 2023-12-20 | Magnetic stop check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222255162U true CN222255162U (en) | 2024-12-27 |
Family
ID=93999905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323486172.8U Active CN222255162U (en) | 2023-12-20 | 2023-12-20 | Magnetic stop check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222255162U (en) |
-
2023
- 2023-12-20 CN CN202323486172.8U patent/CN222255162U/en active Active
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