CN220668486U - Check valve convenient for on-line maintenance - Google Patents
Check valve convenient for on-line maintenance Download PDFInfo
- Publication number
- CN220668486U CN220668486U CN202322415716.5U CN202322415716U CN220668486U CN 220668486 U CN220668486 U CN 220668486U CN 202322415716 U CN202322415716 U CN 202322415716U CN 220668486 U CN220668486 U CN 220668486U
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- Prior art keywords
- valve
- fixedly connected
- check valve
- line maintenance
- cover
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- 238000012423 maintenance Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000037081 physical activity Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model discloses a check valve convenient for on-line maintenance, which relates to the technical field of check valves and comprises a valve seat, wherein a connecting cover is fixedly connected above the valve seat, a valve cover is movably connected above the connecting cover, a lower connecting block is fixedly connected below the valve cover, a mounting bolt is movably and penetratingly connected above the lower connecting block, and a cover plate is fixedly connected above the valve cover. This novel check valve convenient on-line maintenance sets up the open slot through the top opening at the disk seat, open slot and connecting cover fixed connection, connecting cover and valve gap swing joint, the disk seat and the valve body activity dismantlement of being convenient for to check valve use, the on-line maintenance of being convenient for uses, dismantle valve gap and connecting cover, make things convenient for the staff to maintain the inside gasket of connecting cover and piston rod and use, increase the check valve practicality, convenient dismantlement operation uses, check valve use cost has been reduced, the use of this check valve convenient on-line maintenance of convenience.
Description
Technical Field
The utility model relates to the technical field of check valves, in particular to a check valve convenient for on-line maintenance.
Background
The check valve is a valve with a circular valve clack as an opening and closing part and can stop the medium from flowing backwards by the action of the self weight and the medium pressure. Belongs to automatic valves, which are also called check valves, one-way valves, reflux valves or isolation valves. The movement modes of the valve clack are divided into a lifting type and a swing type. The lifting check valve is similar to a stop valve in structure, and only lacks a valve rod for driving the valve clack. The medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side). When the inlet pressure is greater than the sum of the valve flap weight and its flow resistance, the valve is opened. Otherwise, the valve is closed when the medium flows backwards.
The existing references are: the utility model discloses a Chinese patent of CN216768464U, which discloses an online quick repair type check valve, comprising a valve body, wherein a valve cavity and a fluid channel are arranged in the valve body, the valve cavity is communicated with the fluid channel, a connecting seat is arranged in the valve cavity, a crank arm is rotationally connected to the connecting seat, a butterfly plate is arranged at the tail end of the crank arm, a valve seat frame is arranged at one port of the fluid channel communicated with the valve cavity, the valve seat frame is fixedly connected with the port of the fluid channel, a movable valve seat is detachably arranged on the valve seat frame, a sealing structure is arranged between the movable valve seat and the valve seat frame, and the butterfly plate is propped against the movable valve seat under the pushing action of fluid pressure so as to be in sealing fit connection with the movable valve seat; the original valve seat structure form is canceled, and the valve seat structure form is set to be a combined structure form of the movable valve seat and the valve seat frame, so that the valve seat frame is fixedly connected to the valve body, the movable valve seat can be conveniently detached, replaced and maintained, and the problem of difficult original maintenance is avoided.
The valve seat and the valve cover are fixedly welded in a connecting mode when the check valve is required to be maintained once faults occur in the use process, and the inner connection check plate structure of the valve cover on the market is affected to maintain the check plate on line, so that the practicability of the check valve is reduced, the valve seat and the valve cover are detached and operated in a time-consuming and labor-consuming mode, the working efficiency is low, and the use cost of the check valve is increased.
Disclosure of Invention
The utility model provides a check valve convenient for on-line maintenance, solves the problem that the check plate is maintained and used on line due to the influence of the related technology, and reduces the practicability of the check valve.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a check valve convenient on-line maintenance, includes the disk seat that is used for using, the top fixedly connected with of disk seat is used for connecting the junction cap of disk seat and valve gap, the top swing joint of junction cap has the valve gap that is used for dismantling on-line maintenance, the below fixedly connected with of valve gap is used for swing joint's lower connecting block, the top swing joint of connecting block has the mounting bolt that is used for supplementary installation to use down, the top fixedly connected with of valve gap is used for the cooperation to connect the apron that ends valve drive structure.
In a preferred embodiment, an open slot is fixedly arranged on one side above the valve seat, and a water inlet pipe is fixedly connected inside the valve seat; the water inlet pipe is the same as the valve seat in internal dimension, and is connected to the position of one side in the valve seat, so that water can be conveniently discharged for use.
In a preferred embodiment, an outer sealing ring is fixedly connected to the lower outer surface of the connecting cover, and an inner sealing ring is fixedly connected to the lower part of the connecting cover; the connecting cover is connected above the valve seat for cooperation.
In a preferred embodiment, the outer sealing ring is fixedly connected to the upper outer surface of the valve seat, and the inner sealing ring is fixedly connected to one side of the inner surface of the valve seat; the sealing ring increases the sealing performance of the valve seat and the connecting seat.
In a preferred embodiment, an upper connecting block is fixedly connected above the connecting cover, one side of the upper connecting block is fixedly provided with a mounting hole in a penetrating manner, the inner surface of the connecting cover is fixedly connected with an inner limit frame, and a gasket is fixedly arranged in the inner limit frame; the gasket is connected with a plurality of inside cooperation use of connecting spacing frame in.
In a preferred embodiment, a lower connecting block is movably connected above the upper connecting block, and a mounting bolt is movably connected inside the mounting hole in a penetrating manner; the mounting bolts are connected to the upper side and the lower side of the upper connecting block in a matched connection mode for loading and unloading.
In a preferred embodiment, the inner surface of the gasket is movably connected with a piston rod, and a return plate is fixedly connected below the piston rod; the piston rod is movably connected in the inner limit frame and is matched with the inner limit frame for driving connection.
In a preferred embodiment, the return plate is movably connected above the water inlet pipe, and the return plate is movably connected inside the valve seat; the return plate is used for closing and matching the connecting pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the novel check valve convenient to maintain online, the opening groove is formed in the upper opening of the valve seat, the opening groove is fixedly connected with the connecting cover, the connecting cover is movably connected with the valve cover, the valve seat and the valve body of the check valve are conveniently detached for use, the valve cover and the connecting cover are conveniently detached for use in online maintenance, workers can conveniently maintain gaskets and piston rods inside the connecting cover for use, the practicability of the check valve is improved, the convenient detachment operation is used, the working efficiency is improved, the use cost of the check valve is reduced, and the use of the check valve convenient to maintain online is convenient;
2. this novel check valve of convenient online maintenance is through connecting the sealing washer between connecting lid and disk seat, is convenient for use the leakproofness between the increase structure, avoids the check valve to appear the circumstances of water leakage in the use, further increases the result of use of this check valve structure of convenient online maintenance.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a valve seat according to the present utility model;
FIG. 3 is a schematic view of a connecting cover according to the present utility model;
fig. 4 is a schematic view of a valve cover according to the present utility model.
1. A valve seat; 11. an open slot; 12. a water inlet pipe; 2. a connection cover; 21. an outer seal ring; 22. an inner seal ring; 23. an upper connecting block; 24. a mounting hole; 25. an inner limit frame; 26. a gasket; 27. a piston rod; 28. a return plate; 3. a valve cover; 31. a lower connecting block; 32. installing a bolt; 33. and a cover plate.
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.
Referring to fig. 1-4, in this embodiment, a check valve convenient for on-line maintenance includes a valve seat 1, a connecting cover 2 is fixedly connected to the upper side of the valve seat 1, a valve cover 3 is movably connected to the upper side of the connecting cover 2, a lower connecting block 31 is fixedly connected to the lower side of the valve cover 3, a mounting bolt 32 is movably connected to the upper side of the lower connecting block 31 in a penetrating manner, and a cover plate 33 is fixedly connected to the upper side of the valve cover 3.
An open slot 11 is fixedly arranged on one side above the valve seat 1, and a water inlet pipe 12 is fixedly connected inside the valve seat 1.
Specifically, through use connecting lid 2 to connect the cooperation and use between disk seat 1 and the valve gap 3 of check valve, it is convenient to dismantle online maintenance and use between disk seat 1 and the valve gap 3, the lower connecting block 31 of the outer surface extension connection of valve gap 3 simultaneously, lower connecting block 31 and last connecting block 23 swing joint use, through the movable fixed mounting of mounting bolt 32 use, be provided with open slot 11 in the top one side of disk seat 1, be convenient for use with driving structure piston rod 27 connection cooperation, inlet tube 12 is used for absorbing water through this check valve, then discharge from other one end, the size of this inlet tube 12 is the same with the internal dimension of disk seat 1, avoid the check valve in the use, the condition that the water leakage appears in the in-process of intaking, increase check valve structure and use the cooperation practicality.
An outer sealing ring 21 is fixedly connected to the outer surface of the lower part of the connecting cover 2, and an inner sealing ring 22 is fixedly connected to the lower part of the connecting cover 2.
The outer sealing ring 21 is fixedly connected to the upper outer surface of the valve seat 1, and the inner sealing ring 22 is fixedly connected to one side of the inner surface of the valve seat 1.
Specifically, through all being connected with the sealing washer at the inside and outside surface of connecting the lid 2, the sealing washer is all connected at the surface of disk seat 1 and the internal surface of disk seat 1, increases the connection leakproofness between disk seat 1 open slot 11 and the connecting lid 2, increases disk seat 1 and connecting lid 2 and connect the cooperation and use.
An upper connecting block 23 is fixedly connected above the connecting cover 2, one side of the upper connecting block 23 is fixedly penetrated and provided with a mounting hole 24, the inner surface of the connecting cover 2 is fixedly connected with an inner limit frame 25, and a gasket 26 is fixedly arranged in the inner limit frame 25.
The upper connecting block 23 is movably connected with a lower connecting block 31, and the inside of the mounting hole 24 is movably connected with a mounting bolt 32 in a penetrating way.
The inner surface of the gasket 26 is movably connected with a piston rod 27, a return plate 28 is fixedly connected below the piston rod 27, the return plate 28 is movably connected above the water inlet pipe 12, and the return plate 28 is movably connected inside the valve seat 1.
Specifically, through connecting lid 2 and last connecting block 23 fixed connection, go up connecting block 23 through connection mounting hole 24, the inside activity of mounting hole 24 runs through connection mounting bolt 32, make mounting bolt 32 run through and carry out fixed connection cooperation in the both sides of last connecting block 23 and lower connecting block 31 and use, be convenient for carry out fixed connection with connecting lid 2 and valve gap 3 and use, connect the top at disk seat 1 with valve gap 3, be provided with apron 33 in the top of valve gap 3, the piston rod 27 drive structure is connected to apron 33 top, make piston rod 27 reciprocate and use, the backstop 28 of drive below is used, be convenient for close the inside inlet tube 12 of disk seat 1 and close the use, use connecting lid 2 to connect disk seat 1 and valve gap 3, be convenient for dismantle between connecting lid 2 and the disk seat 1 structure, be convenient for carry out maintenance work to the backstop valve on line and use, work efficiency is improved, the use cost of the backstop is improved.
Working principle: when the check valve needs to be maintained online and used, the professional tool is used by staff, the mounting bolt 32 is screwed, the mounting bolt 32 is connected to the upper side and the lower side of the upper connecting block 23 and the lower connecting block 31 in a penetrating way, the mounting bolt 32 is fixedly connected and matched with the upper side and the lower side of the lower connecting block 31, the upper connecting block 23 and the lower connecting block 31 are detached and used by the disassembling and mounting bolt 32, the operation of the staff is facilitated, the structure of the connecting cover 2 is exposed outside after the disassembly, the staff is facilitated to maintain and use the gasket 26 and the piston rod 27 inside the connecting cover 2 online, meanwhile, the water inlet pipe 12 is observed through a connecting gap between the gasket 26 and the inner limiting frame 25, the practicability of the whole structure of the check valve is improved, the mounting bolt 32 is connected to the upper connecting block 23 and the lower connecting block 31 in a penetrating way after online maintenance, and then the inner sealing ring 22 and the outer sealing ring 21 are arranged at the joint of the outer surface of the valve seat 1 and the connecting cover 2, the use tightness between the valve seat 1 and the connecting cover 2 is increased, and the practicability of the check valve is further increased.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a check valve convenient on-line maintenance, includes disk seat (1), the top fixedly connected with of disk seat (1) is connected with lid (2), the top swing joint of connecting lid (2) has valve gap (3), a serial communication port, the below fixedly connected with of valve gap (3) is connecting block (31) down, the top swing joint of connecting block (31) has mounting bolt (32) down, the top fixedly connected with apron (33) of valve gap (3).
2. The check valve for facilitating on-line maintenance of claim 1, wherein: an open slot (11) is fixedly arranged on one side above the valve seat (1), and a water inlet pipe (12) is fixedly connected inside the valve seat (1).
3. The check valve for facilitating on-line maintenance of claim 1, wherein: the outer surface of the lower part of the connecting cover (2) is fixedly connected with an outer sealing ring (21), and the lower part of the connecting cover (2) is fixedly connected with an inner sealing ring (22).
4. A check valve for facilitating on-line maintenance as defined in claim 3, wherein: the outer sealing ring (21) is fixedly connected to the upper outer surface of the valve seat (1), and the inner sealing ring (22) is fixedly connected to one side of the inner surface of the valve seat (1).
5. The check valve for facilitating on-line maintenance of claim 1, wherein: the upper connecting block (23) is fixedly connected to the upper portion of the connecting cover (2), one side of the upper connecting block (23) is fixedly penetrated with a mounting hole (24), an inner limiting frame (25) is fixedly connected to the inner surface of the connecting cover (2), and a gasket (26) is fixedly mounted in the inner limiting frame (25).
6. The check valve for facilitating on-line maintenance as defined in claim 5, wherein: the upper connecting block (23) is movably connected with a lower connecting block (31), and the inside of the mounting hole (24) is movably connected with a mounting bolt (32) in a penetrating way.
7. The check valve for facilitating on-line maintenance as defined in claim 5, wherein: the inner surface of the gasket (26) is movably connected with a piston rod (27), and a return plate (28) is fixedly connected below the piston rod (27).
8. The check valve for facilitating on-line maintenance as defined in claim 7, wherein: the return plate (28) is movably connected above the water inlet pipe (12), and the return plate (28) is movably connected inside the valve seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322415716.5U CN220668486U (en) | 2023-09-05 | 2023-09-05 | Check valve convenient for on-line maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322415716.5U CN220668486U (en) | 2023-09-05 | 2023-09-05 | Check valve convenient for on-line maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220668486U true CN220668486U (en) | 2024-03-26 |
Family
ID=90328080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322415716.5U Active CN220668486U (en) | 2023-09-05 | 2023-09-05 | Check valve convenient for on-line maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220668486U (en) |
-
2023
- 2023-09-05 CN CN202322415716.5U patent/CN220668486U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |