Stop valve with filtering function

Abstract

The utility model relates to the technical field of stop valves, in particular to a stop valve with a filtering function, which comprises a valve body, a water inlet pipeline and a water drainage pipeline are respectively arranged on two sides of the valve body, the upper end and the lower end of the valve body are respectively communicated with a mounting channel and a filtering channel, and a valve core component is arranged in the mounting channel. Wherein a filter screen is detachably connected in the filter channel, a cleaning piece is arranged in the filter screen and used for filtering a medium circulating in the valve body, impurities in the medium can be effectively filtered, and the impurities adhered to the inner wall of the filter screen can be cleaned through a sponge eraser; impurities are prevented from being accumulated and attached in the filter screen for a long time to affect normal use and the service life of the filter screen, the filter screen and the sponge eraser can be rapidly replaced through the end cover, normal use of the valve body is prevented from being affected, the impurities can be prevented from entering a pipeline system or equipment, the maintenance cost is reduced, and the service life of the valve body is prolonged. And filtering out particles or impurities.

Description

Technical Field

[0001] The utility model relates to the technical field of stop valves, in particular to a stop valve with a filtering function. Background Art

[0002] A stop valve generally refers to a type of valve used to control the flow of fluids. It can completely close a pipe or flow through a pipe. It is usually used to control the flow of liquids or gases, such as in a piping system to open and close the flow of fluids.

[0003] If the transmitted medium contains impurities, it will cause blockage of the channel inside the stop valve for a long time. Therefore, it is necessary to use a stop valve with filtering function to filter the medium, such as the prior art Chinese patent announcement number "CN202674341 U", a plastic filter stop valve that is easy to disassemble and replace and has a simple structure, including a liquid inlet and a liquid outlet connected in a straight line, and a stop valve is provided in the liquid inlet channel between the liquid inlet and the liquid outlet, and the liquid inlet channel is provided with a branch pipe, a filter screen is provided in the branch pipe, and an end cap seal is provided at the end of the branch pipe, and the branch pipe forms an acute angle with the axis of the liquid inlet channel, and the filter screen occupies the entire liquid inlet channel. Through the clever structural design, the filter element can be easily disassembled and replaced.

[0004] Impurities in the medium are filtered through the filter, but in actual operation, due to the lack of measures to clean the filter, the inner wall of the filter will be clogged with impurities after long-term use. If the impurities stuck to the inner wall of the filter cannot be cleaned, it will not only shorten the service life of the filter, but also affect the normal use of the filter. Utility Model Content

[0005] The utility model aims to solve the above-mentioned shortcoming of the prior art that there is no measure for cleaning the filter screen, and proposes a stop valve with a filtering function.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A stop valve with filtering function is designed, comprising a valve body, wherein two sides of the valve body are respectively a water inlet pipe and a drainage pipe, and the upper and lower ends of the valve body are respectively connected with an installation channel and a filtering channel, and a valve core assembly is arranged in the installation channel;

[0008] Wherein, a filter screen is detachably connected in the filter channel, and a cleaning piece is arranged in the filter screen.

[0009] Furthermore, a first abutment portion is extended between the drainage pipe and the installation channel, a second abutment portion is extended between the filter channel and the water inlet pipe, and an extension portion is integrally formed on the side of the first abutment portion.

[0010] Furthermore, the filter is slidably connected to the filter channel, the open end of the filter is arranged between the water inlet pipe and the drainage pipe, and its two sides are respectively tightly abutted against the first abutment portion and the second abutment portion, and one end of the filter abuts against the extension portion.

[0011] Furthermore, an end cover is provided at the bottom of the filter channel, and a raised portion is provided on its periphery, a threaded groove and a sealing gasket are provided on the side of the raised portion, a threaded rod is fixedly installed on the side of the end cover through an annular portion, a cavity is provided in the threaded rod and is threadedly connected to the threaded groove, the cavity can accommodate the filter screen, and the annular portion is tightly pressed against the sealing gasket.

[0012] Furthermore, the cleaning member includes a rotating shaft, which is rotatably connected to the end cover and one end of which extends into the filter screen. A sponge is provided on the periphery of the rotating shaft, and the sponge is pressed against the inner wall of the filter screen.

[0013] Furthermore, the other end of the rotating shaft extends to the outside of the end cover, and a seal is provided between the end cover, a positioning glass bead is embedded in the side surface of one end of the rotating shaft, and a plug is provided on the other side of the end cover. The plug is plugged into the rotating shaft, and a through hole compatible with the positioning glass bead is opened on its side.

[0014] The utility model proposes a stop valve with a filtering function, and its beneficial effects are: the utility model can filter the medium flowing in the valve body by providing a filter screen, so as to effectively filter the impurities in the medium, and can clean the impurities adhering to the inner wall of the filter screen by using a sponge, so as to avoid the impurities from accumulating and adhering to the filter screen for a long time, affecting the normal use of the filter screen and the service life of the filter screen, and can quickly replace the filter screen and the sponge by using the end cover, so as to avoid affecting the normal use of the valve body, and can also prevent impurities from entering the pipeline system or the inside of the equipment, thereby reducing the maintenance and servicing costs, and filtering out particles or impurities, so as to improve the purity and quality of the fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 This is an enlarged view of the structure of the cleaning element of the utility model.

[0018] In the figure: 1. valve body; 2. water inlet pipe; 3. drainage pipe; 31. first abutment portion; 4. installation channel; 5. filter channel; 51. second abutment portion; 52. raised portion; 53. threaded groove; 54. annular portion; 55. threaded rod; 56. end cover; 6. valve core assembly; 7. filter screen; 8. cleaning part; 81. rotating shaft; 82. sponge; 83. positioning glass beads; 84. plug. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-3 A stop valve with filtering function, comprising a valve body 1, wherein two sides of the valve body 1 are respectively a water inlet pipe 2 and a drainage pipe 3, and the upper and lower ends of the valve body 1 are respectively connected with an installation channel 4 and a filtering channel 5, and a valve core assembly 6 is arranged in the installation channel 4;

[0021] The filter channel 5 is detachably connected with a filter screen 7 , and a cleaning member 8 is provided inside the filter screen 7 .

[0022] It should be supplemented that the mounting channel 4 is internally threaded with a valve stem, one end of the valve stem is rotatably connected to the valve flap, and the other end thereof is fixedly mounted with a hand wheel, and the valve flap is tightly abutted against the inner wall of the water inlet pipe and the side surface of the second abutting portion;

[0023] Among them, Figure 2 As shown, a seal is provided between the valve stem and the installation channel 4 , and the valve disc is driven by the valve stem to press against the inner wall of the water inlet pipe 2 and the side of the second abutment portion 51 , thereby achieving the purpose of closing the internal channel of the valve body 1 .

[0024] Furthermore, the filter screen 7 is in a cylindrical structure.

[0025] Furthermore, a first abutment portion 31 is extended between the drainage pipe 3 and the installation channel 4 , a second abutment portion 51 is extended between the filter channel 5 and the water inlet pipe 2 , and an extension portion is integrally formed on the side of the first abutment portion 31 .

[0026] Furthermore, the filter screen 7 is slidably connected to the filter channel 5, the open end of the filter screen 7 is arranged between the water inlet pipe 2 and the drainage pipe 3, and its two sides are respectively tightly pressed against the first abutment portion 31 and the second abutment portion 51, and one end of the filter screen 7 abuts against the extension portion.

[0027] It is worth mentioning that the filter screen 7 is arranged between the water inlet pipe 2 and the drainage pipe 3, and is respectively pressed against the first abutment portion 31 and the second abutment portion 51, so that the flowing medium in the valve body 1 must pass through the filter screen 7 before passing through the drainage pipe 3, and the impurities in the medium will be filtered by the filter screen 7, thereby achieving the filtering effect.

[0028] In more detail, an end cover 56 is provided at the bottom of the filter channel 5, and a protrusion 52 is provided on its periphery. A threaded groove 53 and a sealing gasket are provided on the side of the protrusion 52. A threaded rod 55 is fixedly installed on the side of the end cover 56 through an annular portion 54. A cavity is provided in the threaded rod 55 and is threadedly connected to the threaded groove 53. The cavity can accommodate the filter screen 7, and the annular portion 54 is tightly pressed against the sealing gasket.

[0029] More specifically, after fixing the end cover 56 , the threaded rod 55 cooperates with the extension portion to fix the filter 7 to prevent the filter 7 from moving freely, wherein the filter 7 and the sponge 82 can be quickly replaced by unlocking the end cover 56 .

[0030] In general, the cleaning member 8 includes a rotating shaft 81, which is rotatably connected to the end cover 56 and one end of which extends into the filter 7. A sponge 8282 is provided on the periphery of the rotating shaft 81, and the sponge 8282 is pressed against the inner wall of the filter 7.

[0031] Finally, the other end of the rotating shaft 81 extends to the outside of the end cover 56, and a seal is provided between the end cover 56. A positioning glass bead 83 is embedded in the side surface of one end of the rotating shaft 81, and a plug 84 is provided on the other side of the end cover 56. The plug 84 is plugged into the rotating shaft 81, and a through hole compatible with the positioning glass bead 83 is opened on its side.

[0032] The specific operation is to rotate the rotating shaft 81 to drive the sponge 82 to clean the inner wall of the filter screen 7 to prevent impurities from sticking for a long time and affecting the filtering quality. Then, unlock the end cover 56 to disassemble the filter screen 7, then unlock the plug 84, and then pull out the rotating shaft 81 for replacement;

[0033] The through hole abuts against the positioning glass bead 83, and the plug 84 is separated from the shaft 81 by the retraction effect of the positioning bead. Guide columns are provided on both sides of the end of the shaft 81, and guide grooves are provided on both sides of the inner wall of the plug 84. The guide columns are slidably connected to the guide grooves.

[0034] Working method: When working, the rotating shaft 81 with the sponge 82 is plugged into the filter 7, and then the filter 7 is fixed in the filter channel 5. After closing the end cover 56, the filter 7 is fixed by the threaded rod 55 and the extension part, and then the plug 84 is plugged into the rotating shaft 81;

[0035] The rotating shaft 81 is rotated to drive the sponge 82 to rotate and clean the inner wall of the filter screen 7.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stop valve with filtering function, comprising a valve body (1), characterized in that: The two sides of the valve body (1) are respectively a water inlet pipe (2) and a water discharge pipe (3); the upper and lower ends of the valve body (1) are respectively connected with an installation channel (4) and a filter channel (5); and a valve core assembly (6) is arranged in the installation channel (4); Wherein, a filter screen (7) is detachably connected to the filter channel (5), and a cleaning member (8) is provided in the filter screen (7).

2. A stop valve with filtering function according to claim 1, characterized in that: A first abutment portion (31) is extended between the drainage pipe (3) and the installation channel (4), a second abutment portion (51) is extended between the filter channel (5) and the water inlet pipe (2), and an extension portion is integrally formed on the side of the first abutment portion (31).

3. A stop valve with filtering function according to claim 2, characterized in that: The filter screen (7) is slidably connected to the filter channel (5); the open end of the filter screen (7) is arranged between the water inlet pipe (2) and the drainage pipe (3), and its two sides are respectively tightly abutted against the first abutting portion (31) and the second abutting portion (51); one end of the filter screen (7) abuts against the extension portion.

4. The stop valve with filtering function according to claim 1, characterized in that: The bottom of the filtering channel (5) is provided with an end cover (56), and the periphery of the end cover is provided with a raised portion (52), the side of the raised portion (52) is provided with a threaded groove (53) and a sealing gasket, the side of the end cover (56) is fixedly mounted with a threaded rod (55) via an annular portion (54), the threaded rod (55) is provided with a cavity and is threadedly connected to the threaded groove (53), the cavity is capable of accommodating the filter screen (7), and the annular portion (54) is tightly pressed against the sealing gasket.

5. The stop valve with filtering function according to claim 4, characterized in that: The cleaning member (8) comprises a rotating shaft (81), the rotating shaft (81) is rotatably connected to the end cover (56), and one end of the rotating shaft (81) extends into the filter screen (7), and a sponge (82) is provided on the periphery of the rotating shaft (81), and the sponge (82) is pressed against the inner wall of the filter screen (7).

6. The stop valve with filtering function according to claim 5, characterized in that: The other end of the rotating shaft (81) extends to the outside of the end cover (56), and a sealing member is provided between the rotating shaft and the end cover (56). A positioning glass bead (83) is embedded in the side surface of one end of the rotating shaft (81), and a plug (84) is provided on the other side of the end cover (56). The plug (84) is plugged into the rotating shaft (81), and a through hole matching the positioning glass bead (83) is opened on its side surface.

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