CN217634056U - Controllable non-leakage check valve - Google Patents
Controllable non-leakage check valve Download PDFInfo
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- CN217634056U CN217634056U CN202221171763.9U CN202221171763U CN217634056U CN 217634056 U CN217634056 U CN 217634056U CN 202221171763 U CN202221171763 U CN 202221171763U CN 217634056 U CN217634056 U CN 217634056U
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- valve
- fluid inlet
- inlet channel
- clack
- controllable
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Abstract
The utility model discloses a controllable non-leakage check valve, which comprises a valve casing, a valve clack and an adjusting mechanism, wherein the valve casing is provided with a fluid inlet passage, a valve cavity and a fluid outlet passage which are communicated in sequence; the valve clack is arranged in the valve cavity in a swinging mode and is suitable for swinging towards the fluid inlet channel to abut against the outlet end of the fluid inlet channel so as to block the fluid inlet channel; or swing away from the fluid inlet channel to open the fluid inlet channel; the adjusting mechanism is connected with the valve clack and is suitable for driving the valve clack to swing through the action of the adjusting mechanism. The utility model discloses a steerable non-leakage check valve can be opened or closed under artificial control, and is convenient trouble-saving.
Description
Technical Field
The utility model relates to a steerable non-leakage check valve.
Background
In order to prevent the fluid from flowing backwards, a check valve is generally installed in a pipeline, when the fluid flows forwards, a valve flap of the check valve is opened under the impact force of the fluid, and when the fluid flows backwards, the valve flap is abutted against an outlet end of a fluid inlet channel of the check valve under the impact force of the fluid to further seal the fluid inlet channel, so that the check function is achieved.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a steerable non-leakage check valve, it can be opened or closed under artificial control, and convenient trouble-saving.
In order to solve the technical problem, the technical scheme of the utility model is that: a controllable no-leak check valve comprising:
the valve comprises a valve shell, a valve cavity and a valve seat, wherein the valve shell is provided with a fluid inlet passage, a valve cavity and a fluid outlet passage which are communicated in sequence;
a valve flap swingably mounted within said valve chamber and adapted to swing towards said fluid inlet passage to abut against an outlet end of said fluid inlet passage to close off said fluid inlet passage; or swing away from the fluid inlet channel to open the fluid inlet channel;
and the adjusting mechanism is connected with the valve clack and is suitable for driving the valve clack to swing through the action of the adjusting mechanism.
Further, the valve clack is swingably installed in the valve cavity through a valve rod, the valve rod is rotatably installed on the valve housing around an axial direction thereof, and one end portion of the valve clack is fixedly connected to the valve rod.
Further, one end of the valve clack is provided with a sleeving part, the sleeving part is provided with a sleeving hole, and the sleeving hole is sleeved on the valve rod.
Further, in order to prevent the relative rotation between the housing and the valve stem, the controllable no-leakage check valve further comprises at least one positioning pin, and the positioning pin penetrates through the housing and the valve stem simultaneously.
Further provided is a concrete structure of the adjusting mechanism, which comprises an adjusting part, wherein the adjusting part is connected with the part of the valve rod extending out of the valve casing or connected with the part of the valve clack extending out of the valve casing, so that the valve rod and the valve clack are driven to rotate through the rotation of the adjusting part.
Further, in order to prevent the valve clack from swinging under inertia to cause backflow, the upper end part of the valve clack is fixedly connected with the valve rod, and the outlet end of the fluid inlet channel inclines towards the valve cavity side from top to bottom; wherein, the first and the second end of the pipe are connected with each other,
the valve flap has an inclination which corresponds to the inclination of the outlet end of the fluid inlet channel when it is pressed against the outlet end of the fluid inlet channel.
Further provided is a concrete structure of a valve housing, the valve housing including:
the valve body is internally provided with the fluid inlet channel, the valve cavity and the fluid outlet channel in sequence in the horizontal direction, and the upper end and the lower end of the valve cavity are both open;
the valve cover is arranged at the upper end of the valve body so as to close the upper end opening of the valve cavity;
the lower cover is installed at the lower end of the valve body to seal a lower end opening of the valve cavity.
Further, in order to prevent leakage, seal rings are respectively arranged between the valve body and the valve cover and between the valve body and the lower cover.
Further in order to conveniently move the valve shell, a handle and/or a lifting lug are installed on the valve shell.
Further, in order to facilitate connection between the whole check valve and an external device, the inlet end of the fluid inlet channel and the outlet end of the fluid outlet channel are respectively welded with a connecting flange.
After the technical scheme is adopted, the valve clack can swing back to the fluid inlet channel under the impact force of the fluid flowing out of the fluid inlet channel to open the fluid inlet channel, can also tightly support the outlet end of the fluid inlet channel under the impact force of the fluid flowing back of the fluid outlet channel to block the fluid inlet channel, and can also swing under the drive of the adjusting mechanism to open the fluid inlet channel or block the fluid inlet channel; when the valve clack of the utility model is in the state of blocking the outlet end of the fluid entering the channel, the valve clack inclines towards the valve cavity side from top to bottom, so that the valve clack can be effectively prevented from swinging under inertia, and the non-return effect is further improved; the utility model discloses a valve casing adopts the structure that valve body, valve gap and lower cover combined together, has both made things convenient for the installation of valve clack in the valve pocket, conveniently clears up the miscellaneous dirt of the deposit in the valve pocket again.
Drawings
FIG. 1 is a cross-sectional view of one perspective of the controllable no-leak check valve of the present invention;
fig. 2 is a cross-sectional view of another perspective of the controllable no-leak check valve of the present invention.
Detailed Description
In order that the present invention may be more clearly understood, the following detailed description is given with reference to the accompanying drawings.
As shown in fig. 1 and 2, a controllable non-leakage check valve comprises:
a valve housing provided with a fluid inlet passage 1, a valve chamber 2 and a fluid outlet passage 3 which are communicated in sequence;
a valve flap 4, said valve flap 4 being swingably mounted within said valve chamber 2, adapted to swing towards said fluid inlet passage 1 to abut against the outlet end of said fluid inlet passage 1 to close off said fluid inlet passage 1; or swing away from the fluid inlet channel 1 to open the fluid inlet channel 1;
and the adjusting mechanism is connected with the valve clack 4 and is suitable for driving the valve clack 4 to swing through the action of the adjusting mechanism.
Specifically, valve clack 4 can be under the impact force of the fluid that flows out from fluid inlet channel 1 swing in order to open fluid inlet channel 1 dorsad, also can support the exit end of tight fluid inlet channel 1 in order to block under the impact force of the fluid that flows out 3 refluxes from fluid outlet channel fluid inlet channel 1, valve clack 4 can also swing under adjustment mechanism's drive in order to open fluid inlet channel 1 or block fluid inlet channel 1, the utility model discloses a valve clack 4 can be opened or block the exit end of fluid inlet channel 1 under artificial control, conveniently save trouble, can be artificial supplementary under the circumstances that the fluid impact force is not enough or is blocked by debris, improved the flexibility of using.
As shown in fig. 1 and 2, the valve flap 4 is swingably mounted in the valve chamber 2 via a valve rod 5, the valve rod 5 is rotatably mounted on the valve housing around its axial direction, and one end of the valve flap 4 is fixedly connected to the valve rod 5.
As shown in fig. 1 and 2, a fitting portion 41 is provided at one end of the valve flap 4, the fitting portion 41 is provided with a fitting hole 42, and the fitting hole 42 is fitted to the valve rod 5.
As shown in fig. 1 and 2, in order to prevent the relative rotation between the housing portion 41 and the valve stem 5, the controllable no-leakage check valve further includes at least one positioning pin 10, and the positioning pin 10 penetrates through both the housing portion 41 and the valve stem 5.
In this embodiment, a packing is provided between the inner peripheral walls of both ends of the housing hole 42 and the outer peripheral walls of both ends of the valve stem 5, respectively, and the positioning pin 10 is located at an intermediate position of the valve stem 5. In this way, leakage of fluid from the locating pin 10 into the sleeve hole 42 is prevented.
As shown in fig. 2, the adjusting mechanism includes an adjusting portion 6, and the adjusting portion 6 is connected to a portion of the valve rod 5 extending out of the valve housing or a portion of the valve flap 4 extending out of the valve housing, so that the valve rod 5 and the valve flap 4 are rotated by the rotation of the adjusting portion 6.
In the present embodiment, the adjustment portion 6 is connected to a portion of the encasement portion 41 that protrudes outside the valve housing.
As shown in fig. 1, in order to prevent the valve flap 4 from swinging under inertia to cause backflow, the upper end of the valve flap 4 is fixedly connected with the valve rod 5, and the outlet end of the fluid inlet passage 1 is inclined from top to bottom towards the valve chamber 2 side; wherein the content of the first and second substances,
the valve flap 4 has an inclination which, when it abuts against the outlet end of the fluid inlet channel 1, corresponds to the inclination of the outlet end of the fluid inlet channel 1.
Specifically, the utility model discloses a valve clack 4 when being in the state of the exit end of shutoff fluid admission passage 1, valve clack 4 top-down is towards 2 inclines of valve pocket, can prevent effectively that valve clack 4 from swinging under inertia, and then has improved the non return effect.
As shown in fig. 1 and 2, the valve housing includes:
the valve body 71 is provided with the fluid inlet passage 1, the valve cavity 2 and the fluid outlet passage 3 in the valve body 71 in sequence in the horizontal direction, and the upper end and the lower end of the valve cavity 2 are both opened;
a valve cover 72 installed at an upper end of the valve body 71 to close an upper end opening of the valve chamber 2;
a lower cap 73, the lower cap 73 being mounted on the lower end of the valve body 71 to close the lower end opening of the valve chamber 2.
In this embodiment, the bonnet 72 and the valve body 71 and the lower cover 73 are connected by bolts, respectively.
Specifically, the utility model discloses a valve casing adopts the structure that valve body 71, valve gap 72 and lower cover 73 combined together, has both made things convenient for the installation of valve clack 4 in the valve pocket 2, conveniently clears up the miscellaneous dirt of the sediment in the valve pocket 2 again.
As shown in fig. 1, sealing rings are provided between the valve body 71 and the valve cover 72 and between the valve body 71 and the lower cover 73, respectively, in order to prevent leakage.
As shown in fig. 1, in order to facilitate the movement of the valve housing, a handle 81 and/or lifting lugs 82 are mounted on the valve housing.
In this embodiment, the handle 81 and/or the lifting lug 82 are mounted on the valve cover 72.
As shown in fig. 1 and 2, in order to facilitate the connection between the entire check valve and an external device, a connection flange 9 is welded to each of the inlet end of the fluid inlet passage 1 and the outlet end of the fluid outlet passage 3.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A controllable non-leakage check valve is characterized in that,
it includes:
the valve comprises a valve shell, wherein the valve shell is provided with a fluid inlet passage (1), a valve cavity (2) and a fluid outlet passage (3) which are communicated in sequence;
a valve flap (4), said valve flap (4) being swingably mounted within said valve chamber (2) and adapted to swing towards said fluid inlet passage (1) to abut against an outlet end of said fluid inlet passage (1) to close off said fluid inlet passage (1); or away from the fluid inlet channel (1) to open the fluid inlet channel (1);
the adjusting mechanism is connected with the valve clack (4) and is suitable for driving the valve clack (4) to swing through the action of the adjusting mechanism.
2. The controllable no-leak check valve of claim 1,
the valve clack (4) can be installed in the valve cavity (2) through a valve rod (5) in a swinging mode, the valve rod (5) can be installed on the valve casing in a rotating mode around the axial direction of the valve rod, and one end portion of the valve clack (4) is fixedly connected with the valve rod (5).
3. The controllable no-leak check valve of claim 2,
one end part of the valve clack (4) is provided with a sleeving part (41), the sleeving part (41) is provided with a sleeving hole (42), and the sleeving hole (42) is sleeved on the valve rod (5).
4. The controllable no-leak check valve of claim 3,
the valve further comprises at least one positioning pin (10), and the positioning pin (10) penetrates through the sleeving part (41) and the valve rod (5) at the same time.
5. The controllable no-leak check valve of claim 2,
the adjusting mechanism comprises an adjusting part (6), wherein the adjusting part (6) is connected with the part of the valve rod (5) extending out of the valve casing or connected with the part of the valve clack (4) extending out of the valve casing, so that the valve rod (5) and the valve clack (4) are driven to rotate through rotation of the adjusting part.
6. The controllable no-leak check valve of claim 2,
the upper end part of the valve clack (4) is fixedly connected with the valve rod (5), and the outlet end of the fluid inlet channel (1) inclines towards the valve cavity (2) from top to bottom; wherein the content of the first and second substances,
the inclination of the valve flap (4) when it is pressed against the outlet end of the fluid inlet channel (1) corresponds to the inclination of the outlet end of the fluid inlet channel (1).
7. The controllable non-leaking check valve according to claim 1,
the valve housing includes:
the fluid inlet channel (1), the valve cavity (2) and the fluid outlet channel (3) are sequentially arranged in the valve body (71) in the horizontal direction, and the upper end and the lower end of the valve cavity (2) are both open;
a valve cover (72), wherein the valve cover (72) is arranged at the upper end of the valve body (71) to close the upper end opening of the valve cavity (2);
a lower cover (73), the lower cover (73) is installed at the lower end of the valve body (71) to close the lower end opening of the valve chamber (2).
8. The controllable non-leaking check valve of claim 7,
sealing rings are respectively arranged between the valve body (71) and the valve cover (72) and between the valve body (71) and the lower cover (73).
9. The controllable no-leak check valve of claim 1,
a handle (81) and/or a lifting lug (82) are/is arranged on the valve shell.
10. The controllable non-leaking check valve according to claim 1,
and the inlet end of the fluid inlet channel (1) and the outlet end of the fluid outlet channel (3) are respectively welded with a connecting flange (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221171763.9U CN217634056U (en) | 2022-05-16 | 2022-05-16 | Controllable non-leakage check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221171763.9U CN217634056U (en) | 2022-05-16 | 2022-05-16 | Controllable non-leakage check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217634056U true CN217634056U (en) | 2022-10-21 |
Family
ID=83652375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221171763.9U Active CN217634056U (en) | 2022-05-16 | 2022-05-16 | Controllable non-leakage check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217634056U (en) |
-
2022
- 2022-05-16 CN CN202221171763.9U patent/CN217634056U/en active Active
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