Filter valve body, filter valve and heating system

Abstract

The utility model discloses a filter valve body, a filter valve and a heating system. The filter valve body comprises a valve rod cavity, a valve ball cavity and a filter cavity. A water inlet channel is arranged on one side of the valve ball cavity, and the water inlet channel and the valve ball cavity are coaxially arranged. The valve rod cavity and the filtering cavity are formed in the two sides of the valve ball cavity respectively, a water outlet channel is formed in the side, away from the valve ball cavity, of the filtering cavity, the valve rod cavity, the valve ball cavity and the water outlet channel are coaxially arranged, and the water inlet channel and the water outlet channel are perpendicular to each other; a plug mounting opening is formed in one side of the filter cavity, and a mounting groove for mounting a filter screen is formed in the filter cavity. The valve body of the filter valve is compact in overall structure, and the assembled filter valve is suitable for an independent heating system.

Description

Technical Field

[0001] The utility model relates to the field of water supply, and in particular to a filter valve body, a filter valve and a heating system. Background Art

[0002] The Y-type filter valve can be used as a water inlet control valve in the heating system to filter and open and close the main water inlet line. As the main switch of the system, it is installed in the front end of the main water inlet pipe and the water distributor, and is suitable for central heating systems.

[0003] As people's living standards improve, heating in the south is gradually rising. Different from central heating, heating in the south is mostly independent heating system, which needs to be filtered on the return water main pipe and the rear end of the water collector, but there is no special filter valve for independent heating system. Although the combination of filter and valve is applied to the return water main pipe, it can play the role of opening, closing and filtering, but such a combination product is large in size, occupies space, and has many leakage points.

[0004] In view of this, this application is hereby filed. Utility Model Content

[0005] The utility model aims to provide a filter valve body, a filter valve and a heating system, which can be applied to a return water main pipeline to play the role of opening, closing and filtering, and has the advantages of small size and few leakage points.

[0006] The embodiment of the utility model is achieved as follows:

[0007] In a first aspect, the utility model provides a filter valve body, comprising a valve stem cavity, a valve ball cavity and a filter cavity;

[0008] A water inlet channel is provided on one side of the valve ball cavity, and the water inlet channel is coaxially arranged with the valve ball cavity;

[0009] The valve stem cavity and the filter cavity are respectively arranged on both sides of the valve ball cavity, and a water outlet channel is arranged on the side of the filter cavity away from the valve ball cavity. The valve stem cavity, the valve ball cavity and the water outlet channel are coaxially arranged, and the water inlet channel and the water outlet channel are arranged perpendicular to each other;

[0010] A plug installation opening is arranged on one side of the filter cavity, and an installation groove for installing a filter screen is arranged in the filter cavity.

[0011] In an optional embodiment, a cross-section of the mounting groove perpendicular to the axis is arc-shaped.

[0012] In an optional embodiment, the axis of the filter cavity is coaxially arranged with the plug installation opening, and the axis of the filter cavity is parallel to the axis of the water inlet channel.

[0013] In an optional embodiment, the axes of the valve stem cavity, the valve ball cavity and the filter cavity are arranged in the same plane.

[0014] In the second aspect, the utility model provides a filter valve, comprising the filter valve body described in any one of the aforementioned embodiments, a valve stem is arranged in the valve stem cavity, a valve ball capable of rotating synchronously with the valve stem is arranged in the valve ball cavity, a filter screen is installed in the mounting groove, and a plug is installed on the plug mounting port.

[0015] In an optional embodiment, the filter cavity and the valve ball cavity are connected through a first medium hole, and the cross-sectional area of ​​the filter cavity along a direction perpendicular to the axis is larger than the area of ​​the first medium hole;

[0016] And / or, the filter cavity and the water outlet channel are connected via a second medium hole, and the cross-sectional area of ​​the filter cavity along a direction perpendicular to the axis is larger than the area of ​​the second medium hole;

[0017] And / or, the height of the filter cavity along the axial direction is greater than the thickness of the filter screen.

[0018] In an optional embodiment, the filter screen has an arc-shaped cross-section in at least one direction.

[0019] In an optional embodiment, the mounting groove is arranged on the inner wall of the filter cavity along the axial direction, and there are two mounting grooves, which are symmetrically arranged along the axis of the filter cavity; two lugs are arranged on the filter screen, and each lug cooperates with one of the mounting grooves.

[0020] In an optional embodiment, it further includes a side plate disposed between the two lugs, wherein there are two side plates, which are disposed at both ends of the lugs respectively, and the two side plates and the two lugs are connected end to end to enclose the filter screen in the middle;

[0021] Of the two side plates, one is fitted on the inner wall of the filter chamber, and the other is fitted on the plug.

[0022] In a third aspect, the utility model provides a heating system, comprising the filter valve described in any one of the aforementioned embodiments.

[0023] The beneficial effects of the embodiments of the utility model are:

[0024] The filter valve body of the utility model has a compact overall structure. The assembled filter valve is suitable for an independent heating system and has the following advantages compared with a Y-type filter valve:

[0025] 1. Small structure, compact layout, no sharp angles, small forming stress and high product strength;

[0026] 2. The valve cavity holes are distributed vertically, with high processing efficiency and low processing stress;

[0027] 3. The filter is located at the return water end, which is suitable for independent heating systems in the south. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 It is a three-dimensional diagram of the filter valve body in the first embodiment of the utility model;

[0030] Figure 2 It is a cross-sectional view of the filter valve body in the first embodiment of the utility model;

[0031] Figure 3 for Figure 2 Middle AA section view;

[0032] Figure 4 It is a three-dimensional diagram of the filter valve in the second embodiment of the utility model;

[0033] Figure 5 It is a cross-sectional view of the filter valve in the second embodiment of the utility model;

[0034] Figure 6 It is a three-dimensional diagram of the filter screen in the second embodiment of the present invention.

[0035] Icon: 100-valve body; 110-valve stem cavity; 120-valve ball cavity; 130-filter cavity; 131-installation groove; 140-water inlet channel; 150-water outlet channel; 160-plug installation port; 200-valve stem; 300-valve ball; 400-filter screen; 410-lug; 420-side plate; 500-plug; 600-valve cover. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0039] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0040] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0041] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] First embodiment

[0043] Please refer to Figure 1-3 , this embodiment provides a filter valve body 100, including a valve stem cavity 110, a valve ball cavity 120 and a filter cavity 130;

[0044] A water inlet channel 140 is disposed on one side of the valve ball cavity 120, and the water inlet channel 140 is coaxially disposed with the valve ball cavity 120;

[0045] The valve stem cavity 110 and the filter cavity 130 are respectively arranged on both sides of the valve ball cavity 120, and a water outlet channel 150 is arranged on a side of the filter cavity 130 away from the valve ball cavity 120. The valve stem cavity 110, the valve ball cavity 120 and the water outlet channel 150 are coaxially arranged, and the water inlet channel 140 and the water outlet channel 150 are arranged perpendicular to each other;

[0046] A plug installation opening 160 is disposed on one side of the filter cavity 130 , and a mounting groove 131 for mounting the filter screen 400 is disposed in the filter cavity 130 .

[0047] In the embodiment of the utility model, the filter valve body 100 includes a valve stem cavity 110, a valve ball cavity 120 and a filter cavity 130, wherein the water inlet channel 140 and the water outlet channel 150 are used for water inlet and water outlet, respectively, and the water inlet channel 140 and the water outlet channel 150 can be connected to a water pipe or a connecting pipe through a valve cover 600. When the filter valve is used, water can enter from the water inlet channel 140, pass through the ball valve cavity and the filter cavity 130 in sequence, reach the water outlet channel 150, and leave from the valve body 100. The filter valve body 100 of the utility model has a compact overall structure and is suitable for independent heating systems.

[0048] In some embodiments, the cross-section of the installation groove 131 perpendicular to the axis is arc-shaped. In some embodiments, the cross-section of the installation groove 131 perpendicular to the axis is arc-shaped, which can reduce the jamming of the filter 400 and facilitate the cleaning of the filter 400.

[0049] In some embodiments, the axis of the filter cavity 130 is coaxially arranged with the plug installation opening 160 , and the axis of the filter cavity 130 is parallel to the axis of the water inlet channel 140 .

[0050] During assembly, the filter screen 400 can enter the filter cavity 130 through the plug installation port 160, and the filter screen 400 can be installed and fixed. In some embodiments, the plug installation port 160 is located on the side of the ball valve cavity away from the water inlet channel 140 to avoid interference between the filter screen 400 and the water inlet channel 140 during installation and replacement, which increases the difficulty of installation and affects the installation efficiency.

[0051] In some embodiments, the axes of the valve stem cavity 110 , the valve ball cavity 120 , and the filter cavity 130 are arranged in the same plane.

[0052] Second embodiment

[0053] Please refer to Figure 4 and Figure 5This embodiment provides a filter valve, including the filter valve body 100 described in Example 1, a valve stem 200 is arranged in the valve stem cavity 110, a valve ball 300 capable of rotating synchronously with the valve stem 200 is arranged in the valve ball cavity 120, a filter screen 400 is installed in the installation groove 131, and a plug 500 is installed on the plug installation port 160.

[0054] When the filter valve in this embodiment is working, the valve stem 200 drives the valve ball 300 to rotate, thereby controlling the opening and closing of the filter valve. A filter screen 400 is arranged in the filter chamber 130, so that the graft passing through the filter valve must be filtered by the filter screen 400 before leaving the filter valve. Among them, a plug 500 is installed on the plug installation port 160. After the installation of the filter screen 400 is completed, the plug 500 can be installed to avoid leakage of the medium.

[0055] Compared with the Y-type filter valve, the filter valve of this embodiment has the following advantages:

[0056] 1. Small structure, compact layout, no sharp angles, small forming stress and high product strength;

[0057] 2. The valve cavity holes are distributed vertically, with high processing efficiency and low processing stress;

[0058] 3. Filter 400 is located at the return water end and is suitable for independent heating systems in the south.

[0059] In some embodiments, the filter chamber 130 and the valve ball chamber 120 are connected through a first medium hole, and the cross-sectional area of ​​the filter chamber 130 along the direction perpendicular to the axis is larger than the area of ​​the first medium hole; the filter chamber 130 has a large volume, and the filter chamber 130 is distributed vertically to the medium channel, which is beneficial to increase the filtering area.

[0060] In some embodiments, the filter chamber 130 and the water outlet channel 150 are connected through a second medium hole, and the cross-sectional area of ​​the filter chamber 130 along the direction perpendicular to the axis is larger than the area of ​​the second medium hole; the filter chamber 130 has a large volume, and the filter chamber 130 is distributed vertically to the medium channel, which is beneficial to increase the filtering area.

[0061] In some embodiments, the height of the filter cavity 130 along the axial direction is greater than the thickness of the filter screen 400 .

[0062] In some embodiments, the overall thickness of the filter screen 400 is smaller than the radius of the filter cavity 130 , and the filter screen 400 is in a suspended state, with a larger filtering area and will not affect the flow of the medium.

[0063] In some embodiments, the filter screen 400 has an arc-shaped cross section in at least one direction. Under the premise that the cross-sectional area of ​​the filter cavity 130 is equal, the arc-shaped filter screen 400 can increase the area of ​​the filter screen 400, thereby increasing the filtration area. In some embodiments, the mounting groove 131 is arranged on the inner wall of the filter cavity 130 along the axial direction, and there are two mounting grooves 131, which are symmetrically arranged along the axis of the filter cavity 130; the filter screen 400 is provided with two lugs 410, each lug 410 cooperates with one of the mounting grooves 131, such as Figure 6 shown.

[0064] The filter screen 400 in this embodiment has a simple structure, and the fixing method between the filter outlet and the filter cavity 130 is simple, easy to install, and firmly fixed.

[0065] In some embodiments, a side plate 420 is further included between the two lugs 410. There are two side plates 420, which are respectively arranged at both ends of the lug 410. The two side plates 420 and the two lugs 410 are connected end to end to enclose the filter screen 400 in the middle.

[0066] Of the two side plates 420 , one is attached to the inner wall of the filter chamber 130 , and the other is attached to the plug 500 .

[0067] The lug 410 and the side plate 420 of the filter screen 400 do not have filter holes. The lug 410 cooperates with the mounting groove 131 of the filter chamber 130, limiting the filter screen 400 to move only along the setting direction of the mounting groove 131. The side plate 420 fits the filter chamber 130 and the plug 500 to prevent the filter screen 400 from moving along the mounting groove 131, thereby achieving the fixation of the filter screen 400. The filter screen 400 divides the filter chamber 130 into two chambers, one close to the water inlet channel 140 and the other close to the water outlet channel 150. There is no gap or the gap is small between the filter screen 400 and the inner wall of the filter chamber 130, so that the medium must pass through the filter screen 400 to enter the water outlet channel 150.

[0068] It should be noted that, in order to reduce the possibility of water leakage, the filter screen 400 in this embodiment is also provided with a sealing structure at the connection between the components, such as sealing rings are provided between the valve stem 200 and the valve stem cavity 110, between the valve ball 300 and the valve ball cavity 120, and between the plug 500 and the plug installation port 160.

[0069] Third embodiment

[0070] This embodiment provides a heating system, including the filter valve described in the second embodiment, which is suitable for independent heating systems in the south.

[0071] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A filter valve body, characterized in that: It includes a valve stem cavity, a valve ball cavity and a filter cavity; A water inlet channel is provided on one side of the valve ball cavity, and the water inlet channel is coaxially arranged with the valve ball cavity; The valve stem cavity and the filter cavity are respectively arranged on both sides of the valve ball cavity, and a water outlet channel is arranged on the side of the filter cavity away from the valve ball cavity. The valve stem cavity, the valve ball cavity and the water outlet channel are coaxially arranged, and the water inlet channel and the water outlet channel are arranged perpendicular to each other; A plug installation opening is arranged on one side of the filter cavity, and an installation groove for installing a filter screen is arranged in the filter cavity.

2. The filter valve body according to claim 1, characterized in that: The cross section of the installation groove perpendicular to the axis is arc-shaped.

3. The filter valve body according to claim 1, characterized in that: The axis of the filter cavity is coaxially arranged with the plug installation opening, and the axis of the filter cavity is parallel to the axis of the water inlet channel.

4. The filter valve body according to claim 1, characterized in that: The axes of the valve stem cavity, the valve ball cavity and the filter cavity are arranged in the same plane.

5. A filter valve, characterized in that: It comprises the filter valve body according to any one of claims 1 to 4, a valve stem is arranged in the valve stem cavity, a valve ball capable of rotating synchronously with the valve stem is arranged in the valve ball cavity, a filter is installed in the mounting groove, and a plug is installed on the plug mounting port.

6. The filter valve according to claim 5, characterized in that: The filter cavity and the valve ball cavity are connected through a first medium hole, and the cross-sectional area of ​​the filter cavity along the direction perpendicular to the axis is larger than the area of ​​the first medium hole; And / or, the filter cavity and the water outlet channel are connected via a second medium hole, and the cross-sectional area of ​​the filter cavity along a direction perpendicular to the axis is larger than the area of ​​the second medium hole; And / or, the height of the filter cavity along the axial direction is greater than the thickness of the filter screen.

7. The filter valve according to claim 5, characterized in that: The filter screen has an arc-shaped cross section in at least one direction.

8. The filter valve according to claim 5, characterized in that: The installation groove is arranged on the inner wall of the filter cavity along the axial direction, and there are two installation grooves, which are symmetrically arranged along the axis of the filter cavity; two lugs are arranged on the filter screen, and each lug is matched with one of the installation grooves.

9. The filter valve according to claim 8, characterized in that: It also includes a side plate arranged between the two lugs, wherein there are two side plates, which are arranged at both ends of the lugs respectively, and the two side plates and the two lugs are connected end to end to enclose the filter screen in the middle; Of the two side plates, one is fitted on the inner wall of the filter chamber, and the other is fitted on the plug.

10. A heating system, characterized in that: A filter valve comprising the filter valve described in any one of claims 5 to 9.

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