CN219755480U - Swing check valve - Google Patents

Swing check valve Download PDF

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Publication number
CN219755480U
CN219755480U CN202320972146.7U CN202320972146U CN219755480U CN 219755480 U CN219755480 U CN 219755480U CN 202320972146 U CN202320972146 U CN 202320972146U CN 219755480 U CN219755480 U CN 219755480U
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China
Prior art keywords
check valve
pipeline
fixedly connected
cover plate
plate
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CN202320972146.7U
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Chinese (zh)
Inventor
张文滔
张文略
汪玲洁
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Fujian Yongqiang Valve Manufacturing Co ltd
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Fujian Yongqiang Valve Manufacturing Co ltd
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Priority to CN202320972146.7U priority Critical patent/CN219755480U/en
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Publication of CN219755480U publication Critical patent/CN219755480U/en
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Abstract

The utility model discloses a swing check valve, which relates to the technical field of swing check valves and comprises a pipeline and a closed pipe, wherein the side surface of the pipeline is fixedly communicated with the lower surface of the closed pipe, the side surface of the pipeline is fixedly connected with a mounting plate, a fixing mechanism is arranged on the pipeline and is used for fixing the check valve on the pipeline, the check valve mechanism and an upper cover plate are arranged on the upper cover plate and is used for controlling the circulation of liquid, an anti-collision mechanism is arranged in the pipeline, a supporting plate is arranged on the side surface of the supporting plate and is fixedly connected with the inner side surface of the pipeline, the lower surface of the supporting plate is fixedly connected with a telescopic rod, the telescopic end of the telescopic rod is fixedly connected with a spring, the other end of the spring is fixedly connected with a pressure plate, and the lower surface of the telescopic rod is fixedly connected with the upper surface of the pressure plate. The device is used for reducing the collision between the inner wall of the pipeline and the check valve, and solves the problem that the check valve is difficult to repair and replace when the check valve fails.

Description

Swing check valve
Technical Field
The utility model relates to the technical field of swing check valves, in particular to a swing check valve.
Background
The check valve is used for preventing the medium in the pipeline from flowing backwards. When the medium in the pipeline flows positively, the valve clack of the check valve is automatically opened under the action of the medium force, and when the medium in the pipeline flows reversely, the valve clack is automatically closed under the action of the medium force.
The swing check valve is the most commonly used check valve, is mainly used on the pipeline that medium one-way flows, only allows the medium to flow to one direction to swing check valve when opening, need receive the impact of liquid flow liquid to wash it with the separation blade, just need rely on self weight when closing, the washing of long-time liquid has certain harm to the check valve, can cause the loosening of stores pylon screw, even damage, thereby influence the seal and the normal performance of check valve.
The check valve of present day is usually direct-mounted in the pipeline, when the check valve breaks down, is difficult to maintain and change it, when maintaining it, still need dismantle it from the pipeline, and very waste time and energy, in order to make things convenient for check valve's maintenance and change, need a check valve that can take off fast from the pipeline.
Disclosure of Invention
The utility model aims to provide a swing check valve, which solves the technical problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the swing check valve comprises a pipeline and a closed pipe, wherein the side surface of the pipeline is fixedly communicated with the lower surface of the closed pipe, and the side surface of the pipeline is fixedly connected with a mounting plate;
the fixing mechanism is arranged on the pipeline and is used for fixing the check valve on the pipeline;
the check valve mechanism is arranged on the upper cover plate and used for controlling the circulation of liquid;
and the anti-collision mechanism is arranged in the pipeline and used for reducing the collision between the inner wall of the pipeline and the check valve.
Optionally, the fixing mechanism includes:
the side of lower apron with the lateral surface of pipeline looks fixed connection, the draw-in groove has been seted up to the upper surface of lower apron, the lower surface fixedly connected with card post of upper cover plate, the side of card post with the side of draw-in groove is sliding connection mutually.
Optionally, the check valve mechanism includes:
the side face of the sealing ring is fixedly connected with the side face of the upper cover plate, and the side face of the sealing ring is clamped with the inner side face of the pipeline.
Optionally, the check valve mechanism further includes:
the upper cover plate is provided with a notch, the side face of the notch is fixedly connected with a rotating column, the side face of the rotating column is fixedly connected with a rotating plate, the lower surface of the rotating plate is fixedly connected with a valve clack, and the side face of the valve clack is clamped with the side face of the sealing ring.
Optionally, the anti-collision mechanism includes:
the side of backup pad with the medial surface of pipeline looks fixed connection, the lower surface fixedly connected with telescopic link of backup pad, the telescopic link's the telescopic link fixedly connected with spring, the other end fixedly connected with pressure plate of spring, the lower surface of telescopic link with the upper surface of pressure plate looks fixed connection.
Optionally, a mounting groove is fixedly connected with the side surface of the mounting plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the check valve device, the clamping columns are mutually clamped with the clamping grooves, so that the check valve in the check valve device can be quickly taken out, the check valve does not need to be taken down from an installed pipeline when being overhauled and replaced, the time for installing and detaching the check valve is saved, the overhauling efficiency of staff is further improved, the possibility of failure of the check valve in the check valve device is reduced, and the practicability of the check valve device is improved.
2. The utility model can effectively prevent the medium in the pipeline from flowing backwards, and can further improve the tightness of the device under the cooperation of the sealing ring, thereby improving the use effect of the check valve.
3. The valve clack in the utility model can not directly contact with the inner wall of the pipeline when in deflection movement, thereby reducing the loss when the valve clack contacts with the inner wall of the pipeline and further prolonging the service life of the device.
Drawings
FIG. 1 is a front view of the structure of the present utility model;
FIG. 2 is a side cross-sectional view of the structure of the present utility model;
FIG. 3 is a cross-sectional view of a securing mechanism of the present utility model;
FIG. 4 is an enlarged view of the structure at A in FIG. 2, which is a structural view of the present utility model;
fig. 5 is an enlarged view of the structure at B in fig. 2, which is a structural view of the present utility model.
In the figure: 1. a pipe; 2. a mounting plate; 3. an upper cover plate; 4. closing the tube; 5. a valve flap; 6. a sealing ring; 7. a lower cover plate; 8. a clamping column; 9. a support plate; 10. a telescopic rod; 11. a pressure plate; 12. a spring; 13. a notch; 14. rotating the column; 15. a rotating plate; 16. a clamping groove; 17. and a mounting groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Embodiment one:
referring to fig. 1 to 5, the present utility model provides a technical solution: the swing check valve comprises a pipeline 1 and a closed pipe 4, wherein the side surface of the pipeline 1 is fixedly communicated with the lower surface of the closed pipe 4, and the side surface of the pipeline 1 is fixedly connected with a mounting plate 2;
more specifically, in the present embodiment: when the check valve is used, the pipeline 1 of the check valve is fixedly communicated with other conveying pipes through the mounting groove 17, then the upper cover plate 3 and the lower cover plate 7 are clamped and connected to each other to use the check valve, when liquid flows to the valve clack 5, the valve clack 5 can be jacked up, when the check valve needs to be disassembled, the upper cover plate 3 is pulled upwards, the clamping column 8 slides upwards in the clamping groove 16, and the check valve can be taken out.
The setting of this device has greatly made things convenient for the staff to take out the check valve for need not dismantle it from other transportation pipelines when overhauling the change of check valve, improved the maintenance efficiency when overhauling the check valve, thereby further improved the practicality of this device.
The fixing mechanism is arranged on the pipeline 1 and is used for fixing the check valve on the pipeline 1;
the fixing mechanism includes:
the side of the lower cover plate 7 is fixedly connected with the outer side of the pipeline 1, the clamping groove 16 is formed in the upper surface of the lower cover plate 7, the clamping column 8 is fixedly connected with the lower surface of the upper cover plate 3, and the side of the clamping column 8 is in sliding connection with the side of the clamping groove 16.
More specifically, in the present embodiment: because the clamping post 8 and the clamping groove 16 are mutually clamped when the device is used, the check valve in the device can be quickly taken out, so that the check valve does not need to be taken down from an installed pipeline when the check valve is overhauled and replaced, the time for installing and disassembling the check valve is saved, the overhauling efficiency of staff is further improved, the possibility of failure of the check valve in the device is reduced, and the practicability of the device is improved.
A check valve mechanism and an upper cover plate 3, wherein the check valve mechanism is arranged on the upper cover plate 3 and is used for controlling the circulation of liquid;
the check valve mechanism includes:
the side surface of the sealing ring 6 is fixedly connected with the side surface of the upper cover plate 3, and the side surface of the sealing ring 6 is clamped with the inner side surface of the pipeline 1.
The check valve mechanism further includes:
the upper cover plate 3 is provided with a notch 13, the side surface of the notch 13 is fixedly connected with a rotating column 14, the side surface of the rotating column 14 is fixedly connected with a rotating plate 15, the lower surface of the rotating plate 15 is fixedly connected with a valve clack 5, and the side surface of the valve clack 5 is clamped with the side surface of the sealing ring 6.
More specifically, in the present embodiment: when the device is used, the valve clack 5 can be pushed open by the force generated by the flow of the liquid in the pipeline 1, so that the liquid in the pipeline 1 circulates, and when the liquid in the pipeline 1 does not circulate, the valve clack 5 can be clamped with the sealing ring 6 again under the action of self gravity.
The use of this device makes valve clack 5 can open or close according to the circulation condition of liquid automatically, can effectually prevent the condition that the medium appears flowing backwards in pipeline 1 to under the cooperation of airtight circle 6, can further improve the seal of this device, thereby improve the result of use of this check valve.
And the anti-collision mechanism is arranged in the pipeline 1 and is used for reducing collision between the inner wall of the pipeline 1 and the check valve.
The anti-collision mechanism includes:
the support plate 9, the side of support plate 9 and the medial surface of pipeline 1 are fixed connection mutually, the lower surface fixedly connected with telescopic link 10 of support plate 9, the telescopic link 10's telescopic end fixedly connected with spring 12, the other end fixedly connected with pressure plate 11 of spring 12, the lower surface of telescopic link 10 and the upper surface of pressure plate 11 are fixed connection mutually
More specifically, in the present embodiment: the valve clack 5 can be propped against the pressure plate 11 when rotating, then the pressure plate 11 can upwards move to oppress telescopic link 10 and backup pad 9, make valve clack 5 can not direct contact pipeline 1 inner wall when upwards overturning, and when valve clack 5 closes, spring 12 can also help valve clack 5 to move downwards, make valve clack 5 can be more quick with airtight circle 6 closure.
The use of the device ensures that the valve clack 5 can not directly contact with the inner wall of the pipeline 1 when deflecting and moving, reduces the loss when the valve clack 5 contacts with the inner wall of the pipeline 1, and further improves the service life of the device.
Embodiment two:
on the basis of the above embodiments, in the present embodiment: the side of the mounting plate 2 is fixedly connected with a mounting groove 17.
More specifically, in the present embodiment: when this device is linked together with other pipelines is fixed to needs, aim at mounting panel 2 with other pipelines, then fix this device with other pipelines through mounting groove 17 for this device is more convenient when being connected with other pipelines, thereby further improves this device's practicality.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a swing check valve, includes pipeline (1) and closed tube (4), its characterized in that: the side surface of the pipeline (1) is fixedly communicated with the lower surface of the closed pipe (4), and the side surface of the pipeline (1) is fixedly connected with a mounting plate (2);
the fixing mechanism is arranged on the pipeline (1) and is used for fixing the check valve on the pipeline (1);
the check valve mechanism and the upper cover plate (3) are arranged on the upper cover plate (3) and used for controlling the circulation of liquid;
and the anti-collision mechanism is arranged in the pipeline (1) and is used for reducing collision between the inner wall of the pipeline (1) and the check valve.
2. A swing check valve according to claim 1, wherein: the fixing mechanism includes:
the lower cover plate (7), the side of lower cover plate (7) with the lateral surface of pipeline (1) looks fixed connection, draw-in groove (16) have been seted up to the upper surface of lower cover plate (7), the lower surface fixedly connected with card post (8) of upper cover plate (3), the side of card post (8) with the side of draw-in groove (16) is sliding connection.
3. A swing check valve according to claim 1, wherein: the check valve mechanism includes:
the sealing ring (6), the side of sealing ring (6) with the side of upper cover plate (3) is fixed connection mutually, the side of sealing ring (6) with the medial surface looks joint of pipeline (1).
4. A swing check valve according to claim 3, wherein: the check valve mechanism further includes:
the upper cover plate (3) is provided with a notch (13), the side face of the notch (13) is fixedly connected with a rotating column (14), the side face of the rotating column (14) is fixedly connected with a rotating plate (15), the lower surface of the rotating plate (15) is fixedly connected with a valve clack (5), and the side face of the valve clack (5) is clamped with the side face of the sealing ring (6).
5. A swing check valve according to claim 1, wherein: the anti-collision mechanism includes:
the support plate (9), the side of backup pad (9) with the medial surface looks fixed connection of pipeline (1), the lower surface fixedly connected with telescopic link (10) of backup pad (9), the telescopic link (10) telescopic link's the telescopic link fixedly connected with spring (12), the other end fixedly connected with pressure plate (11) of spring (12), the lower surface of telescopic link (10) with the upper surface looks fixed connection of pressure plate (11).
6. A swing check valve according to claim 1, wherein: the side surface of the mounting plate (2) is fixedly connected with a mounting groove (17).
CN202320972146.7U 2023-04-26 2023-04-26 Swing check valve Active CN219755480U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320972146.7U CN219755480U (en) 2023-04-26 2023-04-26 Swing check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320972146.7U CN219755480U (en) 2023-04-26 2023-04-26 Swing check valve

Publications (1)

Publication Number Publication Date
CN219755480U true CN219755480U (en) 2023-09-26

Family

ID=88091760

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320972146.7U Active CN219755480U (en) 2023-04-26 2023-04-26 Swing check valve

Country Status (1)

Country Link
CN (1) CN219755480U (en)

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