CN219994466U - Check valve with filtering function - Google Patents

Abstract

The utility model provides a check valve with a filtering function, which comprises a valve body, wherein flanges are arranged at two ends of the valve body, the top of the valve body is fixedly connected with a filtering cover, a filtering cavity is formed in the filtering cover, a water outlet hole is formed in the outer side of the top of the filtering cavity, the outer part of the water outlet hole is communicated with a backflow cavity, the backflow cavity is communicated with the water outlet end of the valve body, a first threaded hole is formed in the top of the filtering cover, the first threaded hole is connected with a magnetic filter core in a matching manner, the magnetic filter core is inserted into the filtering cavity, the check valve is used for solving the technical problems that the existing check valve is single in function, can filter and intercept most impurities, is poor in the interception of small iron particles, and can not be detached for cleaning, and faults are easy to cause after long-term use.

Description

Check valve with filtering function

Technical Field

The utility model mainly relates to the technical field of electrohydraulic check valves, in particular to a check valve with a filtering function.

Background

The check valve is a valve capable of preventing internal liquid backflow, and is structurally divided into a lifting check valve, a swing check valve, a butterfly check valve and a diaphragm check valve when in operation, and the valves can be used for placing liquid backflow through a locking device arranged in the valve when in operation.

For example, a filterable check valve of patent number CN202121820257.3, includes the check valve, the left side threaded connection of check valve internal surface has the screw thread dish, the mesh of intaking has been seted up on the surface of screw thread dish, the internal surface of check valve just is located the right side fixedly connected with guide plate of screw thread dish, the through-hole has been seted up on the right side of guide plate inner chamber, the left side of check valve inner chamber just is provided with the floater on the right side of guide plate. According to the utility model, through the cooperation of the floating ball, the connecting plate, the sliding groove, the sliding block, the connecting block, the spring, the filter screen disc, the movable rod, the fixed rod, the guide plate, the mounting rod, the first hairbrush, the second hairbrush, the sliding rod, the guide pipe and the sealing cover, the problems that the conventional check valve does not have the function of filtering impurities, impurities are easy to block in the check valve after long-time use, the check valve is damaged, certain defects exist, the requirements of users cannot be met, and the practicability of the check valve is reduced are solved.

During the operation of the specific examples, the inventors have found the following drawbacks:

in the prior art represented by the above patent, the existing check valve has single function, can filter and intercept most impurities, but has poor interception performance on small iron particles, and the filtering structure of the check valve cannot be detached for cleaning, so that the check valve is easy to break down after long-term use.

The above-described contents are within the technical knowledge of the inventors, and the technical contents in the art are huge and complicated, and thus the above-described contents of the present utility model do not necessarily constitute the prior art.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model provides a check valve with a filtering function, which is used for solving the technical problems in the background technology.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the utility model provides a take filtering capability's check valve, includes the valve body, the valve body both ends are equipped with the flange, valve body top fixed connection filter cap, it has the filter chamber to open in the filter cap, it has the apopore to open in the filter chamber top outside, apopore outside intercommunication backward flow chamber, backward flow chamber intercommunication the valve body water outlet end, it has first screw hole to open at the filter cap top, first screw hole matchedly connects magnetism filter core, magnetism filter core is pegged graft the filter chamber, this device can be installed on the water pipe through the flange, and during operation rivers pass through the filter chamber, because be equipped with magnetism filter core in the filter chamber, consequently can be adsorbed at the inside magnetic material granule after the rivers pass through the filter chamber, get into the backward flow chamber through the apopore to the filter core can directly rotate out from the top and clear up the operation after using the one section.

Further, the magnetic filter core comprises a magnetic rod, the top of the magnetic rod is connected with a convex locking cover, and the convex locking cover is connected with the first threaded hole in a matching mode.

Further, a second threaded hole is formed in the middle of the bottom surface of the magnetic rod, and the second threaded hole is connected with a filter screen in a matched mode.

Further, the valve body is gone into inside non return structure that is equipped with of water end, non return structure includes the telescopic shaft, telescopic shaft bottom external connection spring, the spring is located on the closing plate, it has the sliding tray to open in the closing plate, sliding tray mating connection the telescopic shaft, the telescopic shaft middle part is equipped with sealed concave plate, sealed concave plate mating connection non return plate, the non return plate is located inside the valve body.

Further, a sealing groove is formed in the check plate, and the sealing groove is clamped with the sealing concave plate.

Further, a discharging hole is formed in the valve body at the bottom of the filter cavity, the outer side of the discharging hole is connected with a collecting cover in a threaded mode, and a magnet sheet is arranged in the collecting cover.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

the utility model has reasonable design, the first threaded hole is arranged on the filter cover at the top of the valve body, and the magnetic substance can be adsorbed and filtered by matching with the detachable magnetic filter core, thereby being convenient for cleaning and replacement;

through setting up the filter screen in the magnetic rod bottom, played the filtration of certain other materials to the bottom sets up the collecting cap, can collect great impurity particle.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a magnetic filter element according to the present utility model.

Reference numerals

1. A valve body; 11. a telescopic shaft; 12. a spring; 13. a sealing plate; 14. a sliding groove; 15. sealing the concave plate; 16. a check plate; 17. sealing the groove; 2. a flange; 3. a filter cover; 4. a filter chamber; 41. a discharge hole; 42. a collection cover; 43. a magnet piece; 5. a water outlet hole; 6. a reflow chamber; 7. a first threaded hole; 8. a magnetic filter element; 81. a magnetic rod; 82. a male locking cap; 83. and (3) a filter screen.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," "provided," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples

Referring to fig. 1-2, a check valve with filtering function comprises a valve body 1, flanges 2 are arranged at two ends of the valve body 1, a filter cover 3 is fixedly connected to the top of the valve body 1, a filter cavity 4 is formed in the filter cover 3, a water outlet hole 5 is formed in the outer side of the top of the filter cavity 4, the water outlet hole 5 is externally communicated with a backflow cavity 6, the backflow cavity 6 is communicated with the water outlet end of the valve body 1, a first threaded hole 7 is formed in the top of the filter cover 3, a magnetic filter element 8 is connected with the first threaded hole 7 in a matching mode, the magnetic filter element 8 is inserted into the filter cavity 4, the device can be installed on a water pipe through the flanges 2, during operation, water flows through the filter cavity 4, magnetic material particles inside the water flows through the filter cavity 4 can be adsorbed, enter the backflow cavity 6 through the water outlet hole 5, and the filter element can be directly rotated out from the top to perform cleaning operation after being used for a period of time.

Further, the magnetic filter element 8 comprises a magnetic rod 81, the top of the magnetic rod 81 is connected with a convex locking cover 82, the convex locking cover 82 is connected with the first threaded hole 7 in a matching manner, and threads are arranged at the bottom of the convex locking cover 82 so as to facilitate the disassembly of the magnetic rod 81 at the bottom.

Further, the middle part of the bottom surface of the magnetic rod 81 is provided with a second threaded hole, the second threaded hole is connected with the filter screen 83 in a matching way, in order to further improve the filtering effect, a filter screen 83 is arranged to filter larger impurities, and the filter screen can be pulled out together with the magnetic rod 81 for cleaning or replacement.

Further, the valve body 1 goes into inside non return structure that is equipped with of water end, non return structure includes telescopic shaft 11, telescopic shaft 11 bottom external connection spring 12, spring 12 locates on closing plate 13, it has sliding tray 14 to open in the closing plate 13, sliding tray 14 matchedly connects telescopic shaft 11, telescopic shaft 11 middle part is equipped with sealed concave plate 15, sealed concave plate 15 matchedly connects non return plate 16, non return plate 16 locates inside valve body 1, when intaking, because the pressure of rivers, telescopic shaft 11 can move rightwards, and then realize the transmission of liquid, because the pressure of water left when rivers backward flow, consequently under the effect of cooperation spring 12, sealed concave plate 15 can form sealedly with non return plate 16 contact, and sliding tray 14 can form spacingly to the lateral displacement of telescopic column.

Further, the check plate 16 is provided with a sealing groove 17, the sealing groove 17 is engaged with the sealing concave plate 15, and the sealing groove 17 matched with each other is arranged to be connected with the check plate, so that the sealing performance is improved.

Further, open there is discharge hole 41 on the valve body 1 of filter chamber 4 bottom, discharge hole 41 outside threaded connection collects lid 42, be equipped with magnet piece 43 in the collection lid 42, if there is great heavier impurity unable to pass through filter screen 83 then can drop downwards, magnet piece 43 can adsorb magnetic impurity, can collect this partial rubbish in the collection lid 42, opens the impurity removal that collection lid 42 can be convenient with inside collection.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (6)

1. A check valve with filtering function, characterized in that: including valve body (1), valve body (1) both ends are equipped with flange (2), valve body (1) top fixed connection filter cap (3), it has filter chamber (4) to open in filter cap (3), open in filter chamber (4) top outside has apopore (5), apopore (5) outside intercommunication backward flow chamber (6), backward flow chamber (6) intercommunication valve body (1) water outlet, it has first screw hole (7) to open at filter cap (3) top, first screw hole (7) matchedly connect magnetism filter core (8).

2. A check valve with filtering function according to claim 1, wherein: the magnetic filter element (8) comprises a magnetic rod (81), the top of the magnetic rod (81) is connected with a convex locking cover (82), and the convex locking cover (82) is connected with the first threaded hole (7) in a matching mode.

3. A check valve with filtering function according to claim 2, wherein: the middle part of the bottom surface of the magnetic rod (81) is provided with a second threaded hole, and the second threaded hole is connected with a filter screen (83) in a matching way.

4. A check valve with filtering function according to claim 1, wherein: the novel valve is characterized in that a check structure is arranged inside the water inlet end of the valve body (1), the check structure comprises a telescopic shaft (11), a spring (12) is externally connected to the bottom end of the telescopic shaft (11), the spring (12) is arranged on a sealing plate (13), a sliding groove (14) is formed in the sealing plate (13), the sliding groove (14) is connected with the telescopic shaft (11) in a matched mode, a sealing concave plate (15) is arranged in the middle of the telescopic shaft (11), a sealing concave plate (15) is connected with a check plate (16) in a matched mode, and the check plate (16) is arranged inside the valve body (1).

5. A check valve with filtering function according to claim 4, wherein: the check plate (16) is provided with a sealing groove (17), and the sealing groove (17) is clamped with the sealing concave plate (15).

6. A check valve with filtering function according to claim 1, wherein: the valve body (1) at the bottom of the filter cavity (4) is provided with a discharge hole (41), the outer side of the discharge hole (41) is connected with a collecting cover (42) in a threaded manner, and a magnet sheet (43) is arranged in the collecting cover (42).