CN220770231U - Low-pressure one-way valve suitable for use in hose - Google Patents
Low-pressure one-way valve suitable for use in hose Download PDFInfo
- Publication number
- CN220770231U CN220770231U CN202322639588.2U CN202322639588U CN220770231U CN 220770231 U CN220770231 U CN 220770231U CN 202322639588 U CN202322639588 U CN 202322639588U CN 220770231 U CN220770231 U CN 220770231U
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- valve
- connecting shaft
- low pressure
- pressure check
- cover
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- 238000007789 sealing Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Check Valves (AREA)
Abstract
The application discloses a low pressure check valve suitable for in the hose. The low pressure check valve includes: the valve seat, valve gap and elastic component, disk seat one end disposes the circulation hole, and the valve gap lock sets up the one end that is close to the circulation hole at the disk seat. The case includes: the connecting shaft is arranged in the valve cover in a sliding manner, the valve head is arranged at one end of the connecting shaft, which is close to the flow hole, and penetrates through the flow hole, and a sealing element is arranged at one end of the valve head, which is far away from the flow hole, and the elastic element is sleeved on the connecting shaft and used for resetting the valve core; the valve head comprises a plurality of guide parts which are distributed around the axis of the valve head and are obliquely arranged, and a drainage channel is formed between the adjacent guide parts; the flow resistance is reduced by increasing the flow through the arrangement of the guide part and the flow guide channel.
Description
Technical Field
The application relates to the technical field of check valves, in particular to a low-pressure check valve applicable to a hose.
Background
The one-way valve is that fluid can only flow along the water inlet, but the water outlet medium can not flow back.
The check valve in the prior art mainly comprises an upper cover and a lower cover which are connected with each other, wherein the outer ends of the upper cover and the lower cover are respectively provided with a water inlet connecting pipe and a water outlet connecting pipe, and two hoses are needed to be respectively connected with the water inlet connecting pipe and the water outlet connecting pipe.
However, in the process of implementing the technical solution of the embodiment of the present application, the inventor of the present application finds that at least the following technical problems exist in the above technology: the hose and the water inlet connecting pipe or the water outlet connecting pipe are not assembled in place, so that water leakage can occur firstly, and meanwhile, the upper cover and the lower cover are arranged outside the hose, so that water leakage exists at the connecting part of the upper cover and the lower cover.
Disclosure of Invention
To overcome the above drawbacks, the object of the present application is: the low-pressure one-way valve is small in size, large in flow and good in non-return effect.
In order to achieve the above purpose, the present application adopts the following technical scheme: a low pressure check valve for use in a hose, comprising:
a valve seat, one end of which is provided with a flow hole;
the valve cover is buckled and arranged at one end of the valve seat, which is close to the flow hole.
A valve cartridge, comprising: the connecting shaft is arranged in the valve cover in a sliding way,
the valve head is arranged at one end of the connecting shaft close to the flow hole and penetrates through the flow hole, a sealing element is arranged at one end of the valve head far away from the flow hole,
the elastic piece is sleeved on the connecting shaft and used for resetting the valve core;
the valve head comprises a plurality of guide parts which are distributed around the axis of the valve head and are obliquely arranged, and drainage channels are formed between the adjacent guide parts.
In one embodiment, the ratio of the length of the connecting shaft to the length of the valve head is 2-5:1.
in one embodiment, the elastic member is a spring, the sealing member is an O-ring,
and an abutting part is further arranged on the connecting shaft, one end of the abutting part abuts against the spring, and the other end abuts against the O-shaped ring.
In one embodiment, the guide part forms an included angle a with the axis of the connecting shaft, and the degree of the included angle a is 5-45 degrees.
In one embodiment, the number of the guiding parts is 3-4, and the included angle b formed between two adjacent guiding parts is 90-120 degrees.
In one embodiment, the valve seat is provided with a protruding part extending inwards in a radial direction corresponding to one end of the valve cover, and the valve cover is provided with a clamping part matched with the protruding part.
In one embodiment, the flow hole is provided with an annular groove matched with the end face of the sealing element near one end of the valve cover.
In one embodiment, one end of the valve cover, which is far away from the valve seat, is provided with a guide hole and a connecting piece, wherein the guide hole is used as a circle center and radiates to the inner surface of the valve cover, and the connecting shaft is positioned in the guide hole.
In one embodiment, the valve seat has a larger aperture at an end closer to the valve cover than at an end farther from the valve cover.
In one embodiment, the valve cover outer surface includes a tapered surface that tapers in diameter from an end of the valve cover proximate the valve body toward an end of the valve cover distal the valve body.
Advantageous effects
The check valve has small volume, can be installed in the hose at one time, can effectively avoid the condition that the check valve leaks in the operation process, and meanwhile, the valve body is buckled and connected with the valve cover, so that the installation is convenient, and the production and manufacturing cost is reduced;
the valve head comprises a plurality of guide parts which are distributed around the axis of the valve head and are obliquely arranged, and drainage channels are formed between the adjacent guide parts, so that the design not only plays a guiding role, but also reduces the flow resistance loss of the valve head and increases the flow rate at the valve head;
the hose that this application provided internal diameter is less, and the inflow is also less relatively, through setting up the length of reasonable connecting axle and the length ratio of valve head, reduces valve head opening force.
Drawings
The accompanying drawings are included to provide an understanding of the technical aspects of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate the technical aspects of the present disclosure and together with the embodiments of the disclosure, not to limit the technical aspects of the present disclosure. The shapes and sizes of the various components in the drawings are not to scale, and are intended to be illustrative only of the present application.
Fig. 1 is a schematic structural diagram of a check valve according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a check valve according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a valve core provided in an embodiment of the present application;
FIG. 4 is a schematic cross-sectional view of a valve core according to an embodiment of the present disclosure;
FIG. 5 is a top view of a valve head provided in a first embodiment of the present application;
FIG. 6 is a top view of a valve head provided in a second embodiment of the present application;
FIG. 7 is a schematic view of a valve seat structure according to an embodiment of the present disclosure;
fig. 8 is a schematic view of a valve cover according to an embodiment of the present disclosure.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present application and are not limiting the scope of the present application. The implementation conditions employed in the examples may be further adjusted as in the case of the specific manufacturer, and the implementation conditions not specified are typically those in routine experiments.
Unless otherwise defined, technical or scientific terms used in the embodiments of the present disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "first," "second," and the like, as used in embodiments of the present disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. In this context, "electrically connected" includes the case where constituent elements are connected together by an element having some electric action. The "element having a certain electric action" is not particularly limited as long as it can transmit and receive an electric signal between the constituent elements connected. The "element having some kind of electrical action" may be, for example, an electrode or a wiring, or a switching element such as a transistor, or other functional element such as a resistor, an inductor, or a capacitor. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In the present application, the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "middle", and the like are based on the azimuth or positional relationship shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
The application discloses a low pressure check valve suitable for in hose includes: the valve seat, valve gap and elastic component, disk seat one end disposes the circulation hole, and the valve gap lock sets up the one end that is close to the circulation hole at the disk seat. The case includes: the connecting shaft is arranged in the valve cover in a sliding manner, the valve head is arranged at one end of the connecting shaft, which is close to the flow hole, and penetrates through the flow hole, and a sealing element is arranged at one end of the valve head, which is far away from the flow hole, and the elastic element is sleeved on the connecting shaft and used for resetting the valve core; wherein, the valve head includes several around its axle center distribution and the guide part of slope setting, constitutes drainage channel between the adjacent guide part, and the length of connecting axle is 2-5 with the length ratio of valve head: the check valve is small in size, can be installed in a hose at one time, can effectively avoid the condition that the check valve leaks in the operation process, and meanwhile, the valve body is buckled and connected with the valve cover, so that the installation is convenient, and the production and manufacturing cost is reduced; the valve head comprises a plurality of guide parts which are distributed around the axis of the valve head and are obliquely arranged, and drainage channels are formed between the adjacent guide parts, so that the design not only plays a guiding role, but also reduces the flow resistance loss of the valve head and increases the flow rate at the valve head; the hose that this application provided internal diameter is less, and the inflow is also less relatively, through setting up the length of reasonable connecting axle and the length ratio of valve head, reduces valve head opening force.
Next, a low pressure check valve suitable for use in a hose according to an embodiment of the present application is described with reference to fig. 1-6, wherein the check valve is small in size and can be inserted into the hose at one time, thereby reducing the risk of leakage.
The low-pressure check valve comprises a valve seat 10, wherein one end of the valve seat 10 is provided with a flow hole 11;
the valve cover 20 is buckled and arranged at one end of the valve seat 10 close to the flow hole 11;
the valve element 30 includes: a connecting shaft 31 slidably disposed within the valve cover 20,
a valve head 32 provided at one end of the connecting shaft 31 near the through-hole 11 and penetrating the through-hole 11, one end of the valve head 32 remote from the through-hole 11 being provided with a seal member 50,
and an elastic member 40 sleeved on the connecting shaft 32 for resetting the valve core 30;
the valve head 32 includes a plurality of guide portions 321 distributed around an axis thereof and disposed obliquely, and a drainage channel 322 is formed between adjacent guide portions 321.
In the present embodiment, the ratio of the length of the connecting shaft 31 to the length of the valve head 31 is 2 to 5:1, the hose provided by the application has relatively small inner diameter (the inner diameter of a specific hose can be 4-12 mm), relatively small water inflow and reduced valve head opening force by setting a reasonable ratio of the length of the connecting shaft to the length of the valve head.
In this embodiment, the connecting shaft 31 is further provided with an abutting portion 33, one end of the abutting portion 33 abuts against the sealing member 50, the other end abuts against the elastic member 40, the sealing member in this embodiment is preferably an O-ring, the elastic member is preferably a spring, by providing the abutting portion 33, movement of the O-ring in the non-operating state is avoided, tightness between the valve core 30 and the valve body 10 is increased, and meanwhile, the spring abuts between the abutting portion 33 and the connecting member 22 to provide a pre-tightening force and a rebound force for the valve core 30, and dislocation movement of the elastic member 40 in the operating state is avoided.
Referring to fig. 4, in the present embodiment, the guide 321 forms an angle a with the axis of the connecting shaft 31, the angle a has a degree of 5-45 °, and preferably the angle a has a degree of 15 °, so that the liquid entering the valve body is guided by tilting the guide.
Referring to fig. 5-6, in this embodiment, the number of the guide portions 31 is 3-4, an included angle b is formed between two adjacent guide portions, the included angle b is 90-120 °, preferably (as shown in fig. 5), the number of the guide portions 321a is 4 in this embodiment, an included angle b1 is formed between two adjacent guide portions 321a, the included angle b1 is 90 °, at this time, 4 flow guiding channels are formed on the valve head, as a variant of the above embodiment, specifically (as shown in fig. 5), the number of the guide portions 321b is 3, an included angle b2 is formed between two adjacent guide portions 321b, the included angle b2 is 120 °, at this time, and 3 flow guiding channels are formed on the valve head, which is beneficial to reducing flow resistance loss and increasing flow at the valve head.
Referring to fig. 7 to 8, in the present embodiment, a protruding portion 12 extending radially inward is disposed at one end of the valve seat 10 corresponding to the valve cover 20, an engaging portion 23 adapted to the protruding portion 12 is disposed on the valve cover 20, one end of the valve cover 23 corresponding to the engaging portion 23 is inserted into the valve body 10, and the valve body 10 and the valve cover 20 are engaged with each other by the protruding portion 12 and the engaging portion 23.
Referring to fig. 7, in the present embodiment, the end of the flow hole 11 near the valve cover 20 is provided with an annular groove 111 adapted to the end face of the sealing member 50, and by providing the annular groove 111, the sealing performance of the check valve in the non-working state is further improved.
Referring to fig. 8, in this embodiment, a guide hole 21 and a connecting piece 22 radiating toward the inner surface of the valve cover with the guide hole as the center are disposed at one end of the valve cover 20 far away from the valve seat, a fan-shaped outflow opening is formed between adjacent connecting pieces 22, a connecting shaft 31 is inserted into the guide hole 21 to guide the moving connecting shaft 31, further, the connecting shaft is located in the guide hole, and a gap of 10-40 wires is provided between the specific guide hole and the connecting shaft, so that the design can enable the connecting shaft to move in the guide hole and prevent the connecting shaft from shaking in a non-working state.
Referring to fig. 7, in this embodiment, the outer diameter of the valve seat 10 near one end of the valve cover is larger than the outer diameter far away from one end of the valve cover, and the valve seat provided in this application includes a first valve seat 13 near one end of the valve cover 20 and a second valve seat 14 far away from one end of the valve cover 20, in order to make the first valve seat 20 closely fit with the inner wall of the hose, the outer diameter of the first valve seat is larger than the inner diameter of the hose by 1-5mm, and meanwhile, in order to facilitate the installation of the check valve into the hose, the outer diameter of the second valve seat 14 is smaller than the outer diameter of the first valve seat 13 by 1-5mm.
Referring to fig. 8, in the present embodiment, the outer surface of the valve cover 20 includes a tapered surface having a diameter gradually decreasing from the end of the valve cover 20 near the valve body 10 toward the end of the valve cover 20 far from the valve body 10, so that the design facilitates the installation of the check valve into a hose.
The foregoing embodiments are provided to illustrate the technical concept and features of the present application and are intended to enable those skilled in the art to understand the contents of the present application and implement the same according to the contents, and are not intended to limit the scope of the present application. All such equivalent changes and modifications as come within the spirit of the disclosure are desired to be protected.
Claims (10)
1. A low pressure check valve for use in a hose, comprising:
a valve seat, one end of which is provided with a flow hole;
the valve cover is buckled and arranged at one end of the valve seat, which is close to the flow hole;
a valve cartridge, comprising: the connecting shaft is arranged in the valve cover in a sliding manner;
the valve head is arranged at one end of the connecting shaft, which is close to the flow hole, and penetrates through the flow hole, and a sealing element is arranged at one end of the valve head, which is far away from the flow hole;
the elastic piece is sleeved on the connecting shaft and used for resetting the valve core;
the valve head comprises a plurality of guide parts which are distributed around the axis of the valve head and are obliquely arranged, and drainage channels are formed between the adjacent guide parts.
2. A low pressure check valve for use in a hose according to claim 1, wherein the ratio of the length of said connecting shaft to the length of said valve head is from 2 to 5:1.
3. a low pressure check valve for use in a hose according to claim 1, wherein,
the elastic piece is a spring, the sealing piece is an O-shaped ring,
and an abutting part is further arranged on the connecting shaft, one end of the abutting part abuts against the spring, and the other end abuts against the O-shaped ring.
4. A low pressure check valve for use in a hose according to claim 1, wherein,
the guide part forms an included angle a with the axis of the connecting shaft, and the degree of the included angle a is 5-45 degrees.
5. A low pressure check valve for use in a hose according to claim 1, wherein,
the number of the guide parts is 3-4, an included angle b is formed between two adjacent guide parts, and the degree of the included angle b is 90-120 degrees.
6. A low pressure check valve for use in a hose according to claim 1, wherein,
the valve seat is provided with a protruding part extending radially inwards corresponding to one end of the valve cover, and the valve cover is provided with a clamping part matched with the protruding part.
7. A low pressure check valve for use in a hose according to claim 1, wherein,
and an annular groove matched with the end face of the sealing element is arranged at one end of the circulation hole, which is close to the valve cover.
8. A low pressure check valve for use in a hose according to claim 1, wherein,
the valve cover is provided with a guide hole and a connecting piece, wherein the guide hole is arranged at one end far away from the valve seat, the connecting piece is used as a circle center and irradiates towards the inner surface of the valve cover, and the connecting shaft is positioned in the guide hole.
9. A low pressure check valve for use in a hose according to claim 1, wherein,
the outer diameter of the valve seat close to one end of the valve cover is larger than that of the valve seat far away from one end of the valve cover.
10. A low pressure check valve for use in a hose according to claim 1, wherein,
the valve cover outer surface includes a tapered surface that tapers in diameter from an end of the valve cover proximate the valve body toward an end of the valve cover distal from the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322639588.2U CN220770231U (en) | 2023-09-27 | 2023-09-27 | Low-pressure one-way valve suitable for use in hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322639588.2U CN220770231U (en) | 2023-09-27 | 2023-09-27 | Low-pressure one-way valve suitable for use in hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220770231U true CN220770231U (en) | 2024-04-12 |
Family
ID=90615665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322639588.2U Active CN220770231U (en) | 2023-09-27 | 2023-09-27 | Low-pressure one-way valve suitable for use in hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220770231U (en) |
-
2023
- 2023-09-27 CN CN202322639588.2U patent/CN220770231U/en active Active
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