CN217272119U

CN217272119U - Swing check valve with filtering mechanism

Info

Publication number: CN217272119U
Application number: CN202221062832.2U
Authority: CN
Inventors: 吕国钦; 范龙广; 齐玉强; 李鹏; 李振; 李功超
Original assignee: Shandong Yibaitong Valve Co ltd
Current assignee: Shandong Yibaitong Valve Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-23
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses a swing check valve with a filtering mechanism, which belongs to the technical field of check valves and comprises a check valve body, wherein a filtering annular plate is arranged in an inner cavity of the check valve body, a filtering screen is connected to the side surface of the filtering annular plate, a C-shaped auxiliary plate is arranged in the inner cavity of the check valve body, a round rod is rotatably connected to the side surface of the auxiliary plate, a propeller is connected to the periphery of the round rod, a brush for cleaning the filtering screen is connected to the side surface of the round rod, and the auxiliary plate is fixedly connected with the filtering annular plate through a connecting plate; the periphery of the upper half of the check valve body is further sleeved with a protection combination, the top end of the auxiliary plate is connected with an inclined plate, the inclined plate is fixedly connected with the check valve body through bolts, the protection combination comprises a sleeve with an opening at the bottom and an arc-shaped clamping plate, and the sleeve is sleeved on the periphery of the upper half of the check valve body. This swing check valve with filtering mechanism not only can filter and get the material, still has protect function.

Description

Swing check valve with filtering mechanism

Technical Field

The utility model belongs to the technical field of the check valve, especially, swing check valve with filtering mechanism.

Background

The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block the medium from flowing backwards. The valve clack motion mode is divided into lifting type and swing type. The lift check valve is similar to the stop valve in structure, and the swing check valve has a valve clack inclined and capable of rotating around a shaft, and has a similar working principle to the lift check valve. The check valve is commonly used as a bottom valve of a water pumping device and can prevent the backflow of water. The check valve and the stop valve are combined for use, and the safety isolation effect can be achieved. The disadvantages are high resistance and poor sealing performance when closed.

Chinese patent discloses (No. CN215110733U) a take filter equipment's swing check valve, including swing check valve body, check valve jack-up valve rod, check valve filter equipment, check valve regulating valve core, check valve pressure release valve body, this device simple structure, installation use are convenient, can clear up the impurity of filter tube siltation, can also filter the impurity of great volume in the fluid, avoid impurity to block up the valve body, influence the case and reset, reduce unnecessary valve and examine and tear open. But has the disadvantages that: filtering capability is general, and is inconvenient to get the material to impurity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a swing check valve with filtering mechanism to the filtering capability who provides in the solution background art is general, inconvenient to the problem of getting of impurity.

In order to achieve the above object, the utility model provides a following technical scheme: a swing check valve with a filtering mechanism comprises a check valve body, wherein a filtering ring plate is arranged in an inner cavity of the check valve body, a filtering net is connected to the side surface of the filtering ring plate, a C-shaped auxiliary plate is arranged in the inner cavity of the check valve body, a round rod is rotatably connected to the side surface of the auxiliary plate, a propeller is connected to the periphery of the round rod, a brush for cleaning the filtering net is connected to the side surface of the round rod, and the auxiliary plate is fixedly connected with the filtering ring plate through a connecting plate;

the periphery of the upper half part of the check valve body is also sleeved with a protection assembly.

In a preferred embodiment, the top end of the auxiliary plate is connected with an inclined plate, and the inclined plate is fixedly connected with the check valve body through a bolt.

As a preferred embodiment, the protection combination comprises a sleeve with an opening at the bottom and an arc-shaped clamping plate, the sleeve is sleeved on the periphery of the upper half part of the check valve body, the two clamping plates which are matched with each other are arranged on the periphery of the middle part of the check valve body, and a cylindrical sleeve is connected between the sleeve and the two clamping plates.

As a preferred embodiment, both sides of the clamping plate are connected with side support plates, the inner walls of the side support plates and the clamping plate are connected with rubber pads, the side surfaces of the two side support plates on the same side are provided with circular channels, the inner cavities of the circular channels are provided with fixing bolts, and the fixing bolts are further in threaded connection with nuts for fixing.

As a preferred embodiment, two hoops are sleeved on the periphery of the check valve body, and the side faces of the hoops are connected with assembling plates.

As the preferred embodiment, the side of assembly plate is connected with the connecting rod of two symmetry settings, and the connecting rod still is connected fixedly with the clamp, two circular through-holes that supply the bolt to pass are seted up to the side of assembly plate.

Compared with the prior art, the utility model discloses a technological effect and advantage:

the swing check valve with the filtering mechanism has the advantages that due to the design of the auxiliary plate, the inclined plate and the hairbrush, the filtering net of the filtering ring plate can filter flowing liquid, the propeller can be driven to rotate in the liquid flowing process, the round rod and the hairbrush are further driven to rotate, the filtering net can be cleaned, the complete blockage is avoided, when the impurities are excessive, the check valve body and the inclined plate can be detached, the filtering ring plate is taken down, and the impurities can be conveniently taken;

due to the design of the protection combination, the sleeve matching sleeve cloth can protect the upper half part of the check valve body, and the clamping plate and the side support plate are matched to ensure the fixation of the middle part of the check valve body, so that not only can the sealing performance be ensured, but also the stability of the sleeve can be ensured;

this swing check valve with filtering mechanism not only can filter and get the material, still has protect function.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the protection assembly of the present invention;

fig. 3 is a cross-sectional view of the check valve body of the present invention.

Description of reference numerals:

in the figure: 1. a check valve body; 2. a filter ring plate; 3. an auxiliary plate; 4. a round bar; 5. a propeller; 6. a brush; 7. a connecting plate; 8. protection combination; 9. a sloping plate; 10. clamping a hoop; 11. assembling a plate; 12. a connecting rod; 81. a sleeve; 82. clamping a plate; 83. sleeving cloth; 84. a side support plate; 85. and (5) fixing the bolt.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

The connection mode can adopt the existing modes such as bonding, welding, fixed bolt connection and the like, and the actual requirement is met.

In order to filter flowing liquid and clean a filter screen to avoid complete blockage, as shown in fig. 1 to fig. 3, a swing check valve with a filter mechanism comprises a check valve body 1, the check valve body 1 is a swing check valve, and is a prior art, the size and the structure of the check valve body 1 are not based on the figure, and are actually based on the figure, a filter ring plate 2 is arranged in an inner cavity of the check valve body 1, the side surface of the filter ring plate 2 is connected with the filter screen, a C-shaped auxiliary plate 3 is arranged in the inner cavity of the check valve body 1, the side surface of the auxiliary plate 3 is rotatably connected with a round rod 4, the periphery of the round rod 4 is connected with a propeller 5, the propeller 5 is designed to drive the propeller 5 to rotate when liquid flows, the side surface of the round rod 4 is connected with a brush 6 for cleaning the filter screen, the auxiliary plate 3 is fixedly connected with the filter ring plate 2 through a connecting plate 7, the top end of the auxiliary plate 3 is connected with an inclined plate 9, swash plate 9 passes through the bolt and is connected fixedly with check valve body 1, and when liquid normally flows, is filtered by the filter screen of filtering the crown plate 2, at the in-process that liquid flows, can drive screw 5 and rotate, and then drives round bar 4 and brush 6 and rotate, realizes cleaning the filter screen, avoids being blockked up completely.

Referring to fig. 1 and 2, in order to protect the upper half of the check valve body 1, the outer periphery of the upper half of the check valve body 1 is further sleeved with a protection assembly 8, the protection assembly 8 comprises a sleeve 81 with an opening at the bottom and an arc-shaped snap-gauge 82, the sleeve 81 is sleeved on the outer periphery of the upper half of the check valve body 1, two adaptive snap-gauges 82 are arranged on the outer periphery of the middle of the check valve body 1, a cylindrical cloth cover 83 is connected between the sleeve 81 and the two snap-gauges 82, the inner diameter of the cloth cover 83 is the same as that of the sleeve 81, a part of the lower end is overlapped in the side support 84 and the snap-gauge 82, so as to ensure that the snap-gauge 82 can be separated from the upper half of the check valve body 1 when the fixation of the snap-gauge 82 is released, the side support plates 84 are connected to both sides of the snap-gauge 82, rubber pads are connected to the inner walls of the side support plates 84 and the snap-gauge 82, circular channels are arranged on the sides of the two side support plates 84, and the inner cavities of the circular channels are provided with fixing bolts 85, fixing bolt 85 is still threaded connection has the nut that is used for fixing, when impurity is too much, can dismantle fixing bolt 85 and nut earlier, takes off sleeve 81 and cover cloth 83, then unpack the first half of check valve body 1 apart, pull down bolt and swash plate 9, get and locate accessory plate 3 and filter ring plate 2, also conveniently get the material to impurity.

Referring to fig. 1, in order to assist the check valve body 1 to fix, two clamps 10 have been cup jointed to the periphery of check valve body 1, clamps 10 have the adjustability, satisfy the fixed of the check valve body 1 of not unidimensional, the side of clamps 10 is connected with assembly plate 11, the side of assembly plate 11 is connected with the connecting rod 12 that two symmetries set up, connecting rod 12 is still connected fixedly with clamps 10, two circular through-holes that supply the bolt to pass are seted up to the side of assembly plate 11, utilize the bolt to install assembly plate 11 at the assigned position, then utilize the fixed check valve body 1 that needs to use of clamps 10.

Principle of operation

According to the swing check valve with the filtering mechanism, the assembling plate 11 is installed at a designated position by using the bolt, then the check valve body 1 to be used is fixed by using the hoop 10, when liquid normally flows, the liquid is filtered by the filter screen of the filtering ring plate 2, and in the process of liquid flowing, the propeller 5 can be driven to rotate, so that the round rod 4 and the hairbrush 6 are driven to rotate, the filter screen is cleaned, and the filter screen is prevented from being completely blocked;

when impurity is too much, fixing bolt 85 and nut can be dismantled earlier, sleeve 81 and cover cloth 83 are taken off, then the first half of check valve body 1 is unpacked, bolt and swash plate 9 are dismantled, get and locate accessory plate 3 and filter ring board 2, also conveniently get the material to impurity.

It is noted that, herein, relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A swing check valve with a filter mechanism, comprising a check valve body (1), characterized in that: the inner cavity of the check valve body (1) is provided with a filtering ring plate (2), the side face of the filtering ring plate (2) is connected with a filtering net, the inner cavity of the check valve body (1) is provided with a C-shaped auxiliary plate (3), the side face of the auxiliary plate (3) is rotatably connected with a round rod (4), the periphery of the round rod (4) is connected with a propeller (5), the side face of the round rod (4) is connected with a brush (6) for cleaning the filtering net, and the auxiliary plate (3) is fixedly connected with the filtering ring plate (2) through a connecting plate (7);

the periphery of the upper half part of the check valve body (1) is further sleeved with a protection assembly (8).

2. The swing check valve with filter mechanism as claimed in claim 1, wherein: the top of accessory plate (3) is connected with swash plate (9), and swash plate (9) are connected fixedly through bolt and check valve body (1).

3. A swing check valve with filter mechanism as claimed in claim 2, wherein: protection combination (8) have open-ended sleeve (81) and curved cardboard (82) including the bottom, sleeve (81) have been cup jointed to the periphery of the first half of check valve body (1), the periphery in the middle part of check valve body (1) is provided with cardboard (82) of two adaptations, be connected with cylindric cover cloth (83) between sleeve (81) and two cardboard (82).

4. A swing check valve having a filter mechanism as claimed in claim 3, wherein: both sides of the clamping plate (82) are connected with side supporting plates (84), the inner walls of the side supporting plates (84) and the clamping plate (82) are connected with rubber pads, circular channels are formed in the side faces of the two side supporting plates (84) on the same side, fixing bolts (85) are arranged in inner cavities of the circular channels, and the fixing bolts (85) are further connected with nuts used for fixing in a threaded mode.

5. The swing check valve with filter mechanism as claimed in claim 1, wherein: two clamps (10) have been cup jointed to the periphery of check valve body (1), the side of clamp (10) is connected with assembly plate (11).

6. The swing check valve with filter mechanism as claimed in claim 5, wherein: the side of assembly plate (11) is connected with connecting rod (12) that two symmetries set up, and connecting rod (12) still are connected fixedly with clamp (10).