Y-shaped filter

Abstract

The utility model discloses a Y-shaped filter, and relates to the technical field of filters, the Y-shaped filter comprises a Y-shaped filter body, and a filter screen cylinder is arranged in the Y-shaped filter body; the cleaning mechanism is mounted on a blanking cap; the blow-off pipe is arranged on the blanking cap and is used for discharging the impurities cleaned by the cleaning mechanism; specifically, the cleaning mechanism comprises a rotating rod rotationally arranged on the blanking cap, a pressing rod located in the rotating rod and capable of moving in the axial direction of the filter screen cylinder, a plurality of connecting assemblies connected to the pressing rod at intervals and a scraper perpendicularly connected with the connecting assemblies. And a plurality of connecting assemblies can be driven to move, so that the connecting assemblies drive a scraper to abut against the inner wall of the filter screen cylinder, then a rotating rod is rotated, and the scraper can be driven to clean the inner wall of the filter screen cylinder. The filter screen cylinder can be cleaned without being disassembled, the operation method is simple, and the influence on normal work of the pipeline is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the filter technical field, specifically relates to a Y type filter. BACKGROUND

[0002] Y type filter is one of valve fittings, usually installed in the inlet end of pressure reducing valve, pressure relief valve, constant level valve or other equipment, used to remove impurities in the medium, to protect the normal use of valve and equipment, Y type filter plays a filtering role is filter screen, found in use, with the increase of use time, the filter screen will block more impurities, therefore, the filter screen needs to be disassembled and cleaned regularly. However, due to the complex structure of the valve, the waterway needs to be cut off during disassembly, and special tools are used for disassembly, so it not only affects the normal work of the pipeline, but also wastes time and effort. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the present application provides a Y type filter to solve the technical problem that disassembling the filter screen for cleaning not only affects the normal work of the pipeline, but also wastes time and effort.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A Y type filter, comprising:

[0006] A Y type filter body, a filter screen cylinder is arranged in the Y type filter body;

[0007] A cleaning mechanism mounted on a plug cover;

[0008] A blowdown pipe mounted on the plug cover for discharging impurities cleaned by the cleaning mechanism;

[0009] Specifically, the cleaning mechanism comprises a rotating rod rotatably arranged on the plug cover, a pressing rod located in the rotating rod and capable of moving along the axial direction of the filter screen cylinder, a plurality of connecting assemblies spaced apart and connected to the pressing rod, and a scraper vertically connected to the plurality of connecting assemblies. By pushing the pressing rod to move towards the inner end of the rotating rod, the plurality of connecting assemblies can be driven to move, so that the plurality of connecting assemblies drive the scraper to abut against the inner wall of the filter screen cylinder, and then the rotating rod is rotated, so that the scraper can clean the inner wall of the filter screen cylinder.

[0010] Further, the plug cover is installed in cooperation with the blowdown flange of the Y type filter body.

[0011] Further, the cleaning mechanism further comprises a core rod arranged in the rotating rod, a guide hole is formed in the pressing rod, and the end portion of the core rod is slidably connected in the guide hole.

[0012] Further, a compression spring is sleeved on the core rod and abuts between the pressing rod and the rotating rod.

[0013] Further, an inner end of the rotating rod is provided with a blocking block, and the core rod is vertically installed on the blocking block.

[0014] Further, an outer end of the rotating rod is provided with a handle, and a pressing plate is installed on the pressing rod and slidably matched with the rotating rod, and the pressing plate and the handle are both located outside the Y-shaped filter body.

[0015] Further, the connecting assembly comprises:

[0016] an outer cylinder fixedly installed with the rotating rod;

[0017] a push rod slidably arranged on the outer cylinder and fixedly connected with the scraper;

[0018] a connecting rod pivotally connected between the push rod and the pressing rod;

[0019] a tension spring connected between the push rod and the outer cylinder.

[0020] Further, a sealing structure is arranged between the blowdown flange and the plug cover.

[0021] Further, the sealing structure comprises at least one O-shaped sealing ring.

[0022] As can be seen from the above technical solution, the application has the following advantages:

[0023] In the application, the cleaning mechanism mainly comprises a rotating rod, a pressing rod and a scraper, the pressing rod is arranged in the rotating rod, and the scraper is connected with the pressing rod through a connecting assembly, so that the scraper can be driven to abut on the filter screen cylinder by operating the pressing rod, and then rotating the rotating rod, the scraper can rotate in the filter screen cylinder, thereby realizing the cleaning work of impurities on the inner wall of the filter screen cylinder, and after the cleaning is completed, the blowdown pipe is opened, and the impurities can be discharged, the process is not only simple and convenient to operate, but also does not need to stop the waterway of the pipeline during use, and does not affect the normal working condition of the pipeline, so that the application is more reliable. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the application illustrated in the drawings, and their description, are presented to add generic structure for a thorough and complete understanding of the application. Therefore, the description of the embodiments of the application is not intended to unnecessarily limit the scope of the application.

[0025] Figure 1 is a structural schematic view of the application.

[0026] Figure 2 is Figure 1a sectional view thereof.

[0027] Figure 3 is a partial enlarged view of A of Figure 2

[0028] Figure 4 is a partial enlarged view of B of Figure 2

[0029] Figure 5 is a partial enlarged view of C of Figure 4

[0030] Figure 6 is a partial structure schematic view of the cleaning mechanism of the present application.

[0031] Figure 7 is a partial enlarged view of D of Figure 6

[0032] Figure 8 is a structure schematic view of the rotating rod of the present application.

[0033] Figure 9 is a partial enlarged view of E of Figure 8

[0034] Figure 10 is a partial enlarged view of F of Figure 4

[0035] Figure 11 is a partial enlarged view of G of Figure 6

[0036] Figure 12 is a partial enlarged view of H of Figure 7

[0037] BRIEF DESCRIPTION OF THE DRAWINGS1-Y type filter body; 11 - blocking block; 12 - channel; 13 - containing groove; 14 - annular groove one; 16 - perspective window; 17 - blowdown flange; 2 - plug cover; 21 - blowdown pipe; 211 - manual valve; 22 - annular groove two; 23 - containing groove; 3 - bolt; 4 - nut; 5 - filter screen cylinder; 6 - cleaning mechanism; 61 - rotating rod; 611 - first housing; 6111 - protruding block; 612 - second housing; 6121 - clamping groove; 6122 - sink groove; 6123 - through hole; 6124 - movable groove; 6125 - second sealing groove; 613 - blocking block; 614 - screw; 615 - boss; 6151 - first sealing groove; 6152 - first sealing ring; 62 - handle; 63 - pressing rod; 631 - groove; 632 - connecting rod; 64 - pressing plate; 65 - core rod; 66 - compression spring; 67 - push rod; 671 - tension spring; 672 - second sealing ring; 68 - outer cylinder; 69 - scraper; 7 - O type sealing ring. DETAILED DESCRIPTION ​​​​​​​

[0038] For the purpose, technical solutions and advantages of the present application to be more clearly understood, the present application is further described in detail below with reference to the embodiments and drawings. Herein, the illustrative embodiments of the present application and their descriptions are used to explain the present application, but not as a limitation of the present application.

[0039] Reference Figures 1 to 12 As Figure 1 , Figure 2 , Figure 4 and Figure 6 shown, the present embodiment provides a Y-type filter, comprising: a Y-type filter body 1, a cleaning mechanism 6 and a blowdown pipe 21, the Y-type filter body 1 is provided with an inclined extending blocking block 11, the left side of the blocking block 11 is a water flow inlet, the right side is a water flow outlet, the blocking block 11 is provided with a channel 12 for impurities to pass through, a filter screen cylinder 5 is installed below the blocking block 11, the impurities will enter the filter screen cylinder 5 after passing through the channel 12, so that the filter screen cylinder 5 filters the impurities, and the filtered water will be discharged from the water flow outlet; the cleaning mechanism 6 is installed on the plug cover 2 installed at the lower end of the Y-type filter body 1, and the cleaning mechanism 6 is also inclined; the blowdown pipe 21 is installed on the plug cover 2 for discharging the impurities cleaned by the cleaning mechanism 6, and a manual valve 211 for controlling opening and closing is installed on the blowdown pipe 21; specifically, the cleaning mechanism 6 comprises a rotating rod 61 rotatably arranged on the plug cover 2, a pressing rod 63 located in the rotating rod 61 and capable of moving along the axial direction of the filter screen cylinder 5, a plurality of connecting assemblies spacedly connected to the pressing rod 63, and a scraper 69 perpendicularly connected to the plurality of connecting assemblies; by pushing the pressing rod 63 to move into the rotating rod 61 along the axial direction of the filter screen cylinder 5, the plurality of connecting assemblies can be driven to move, so that the plurality of connecting assemblies drive the scraper 69 to move along the radial direction of the filter screen cylinder 5, so that the scraper 69 is finally pressed against the inner wall of the filter screen cylinder 5, and then the rotating rod 61 is rotated, so as to drive the scraper 69 to rotate, and thus the scraper 69 scrapes and cleans the impurities attached to the inner wall of the filter screen cylinder 5.

[0040] Preferably, the plug cover 2 and the blowdown port flange 17 of the Y-type filter body 1 are cooperatively installed through a plurality of bolts 3, and are locked on the corresponding bolts 3 through a plurality of nuts 4, so as to realize the reliable connection between the plug cover 2 and the Y-type filter body 1.

[0041] In the present embodiment, the rotating rod 61 is rotatably connected to the plug cover 2 through a bearing, and in order to improve the connection strength between the plug cover 2 and the rotating rod 61, a receiving groove 23 is formed on the plug cover 2, an annular boss 615 is arranged on the rotating rod 61, the boss 615 is received in the receiving groove 23, and the boss 615 and the receiving groove 23 are in sliding cooperation.

[0042] As Figure 4 and Figure 10As shown, in order to increase the sealing between the blocking cover 2 and the rotating rod 61, a first sealing groove 6151 is formed in the boss 615, and a plurality of first sealing rings 6152 are installed in the first sealing groove 6151. The first sealing rings 6152 abut against the inner wall of the accommodating groove 23, so as to realize reliable sealing between the boss 615 and the accommodating groove 23.

[0043] As shown in Figure 3 , the lower end of the blocking block 11 is provided with an accommodating groove 13, and the upper end of the filter screen cylinder 5 abuts in the accommodating groove 13, so as to improve the tightness between the filter screen cylinder 5 and the blocking block 11.

[0044] In order to facilitate observation of the deposition of impurities in the Y-shaped filter body 1, a perspective window 16 is further arranged on the Y-shaped filter body 1.

[0045] As shown in Figure 6 and Figure 7 , the cleaning mechanism 6 further comprises a core rod 65 and a blocking block 613, the blocking block 613 is installed on the upper end of the rotating rod 61, the core rod 65 is vertically installed on the blocking block 613, and the core rod 65 is located in the rotating rod 61, the upper end of the pressing rod 63 is internally provided with a guide hole 631, and the lower end of the core rod 65 is in sliding connection with the guide hole 631; a compression spring 66 is sleeved on the core rod 65, and the compression spring 66 abuts between the pressing rod 63 and the blocking block 613.

[0046] As shown in Figure 4 , the lower end of the rotating rod 61 is provided with a handle 62, and the pressing plate 64 is slidably connected with the movable groove 6124 formed in the lower end of the rotating rod 61. The pressing plate 64 and the handle 62 are both located on the outside of the Y-shaped filter body 1, so that the rotating rod 61 and the pressing plate 64 can be operated without disassembling the Y-shaped filter body 1.

[0047] As shown in Figure 6 and Figure 11 , the connecting assembly comprises an outer cylinder 68, a push rod 67, a connecting rod 632 and a tension spring 671, the outer cylinder 68 is fixedly installed with the rotating rod 61; the push rod 67 is slidably arranged on the outer cylinder 68, and the upper and lower ends of the push rod 67 protrude out of the outer cylinder 68, and the lower end of the push rod 67 is fixedly connected with the scraper 69; the upper end of the push rod 67 extends into the rotating rod 61 after penetrating through the rotating rod 61, so as to pivotally connect the connecting rod 632 between the upper end of the push rod 67 and the pressing rod 63; the tension spring 671 is connected between the lower end of the push rod 67 and the bottom of the outer cylinder 68, and the tension spring 671 can assist the push rod 67 and the connecting rod 632 to reset.

[0048] Preferably, in order to improve the sealing of the blocking cover 2 installed on the Y-shaped filter body 1, a sealing structure is further arranged between the blowdown flange 17 and the blocking cover 2.

[0049] As shown in Figure 4 and Figure 5 , the lower end of the blocking block 11 is provided with an accommodating groove 13, and the upper end of the filter screen cylinder 5 abuts in the accommodating groove 13, so as to improve the tightness between the filter screen cylinder 5 and the blocking block 11.As shown, the sealing structure includes at least one O-ring 7.

[0050] Preferably, the sealing structure includes two O-rings 7, both of which are abutted and connected between the plug 2 and the drain flange 17. By setting the O-rings 7, the sealing performance at the connection between the drain flange 17 and the plug 2 can be improved.

[0051] Preferably, the lower end of the drain flange 17 has two annular grooves 14, and the plug 2 has two annular grooves 22. The annular grooves 14 and 22 are opposite to each other, and the O-ring 7 is held in the corresponding annular grooves 14 and 22. By setting the annular grooves 14 and 22 and installing the O-ring 7, the sealing effect can be improved.

[0052] like Figure 6 , Figure 7 and Figure 12 As shown, in order to improve the sealing of the sliding between the push rod 67 and the rotating rod 61, a number of second sealing grooves 6125 are also provided on the rotating rod 61. A second sealing ring 672 is fixedly installed in the second sealing groove 6125 and abuts against the outer periphery of the push rod 67.

[0053] To facilitate the installation of the cleaning mechanism 6, in this embodiment of the application, as follows: Figure 8 As shown, the rotating rod 61 is composed of a first housing 611 and a second housing 612, both of which are semi-circular and interlocked with each other. There are two protrusions 615, which are also semi-circular, and the two protrusions 615 are respectively located on the outside of the first housing 611 and the second housing 612.

[0054] like Figure 9 As shown, to increase the reliability of the installation between the first housing 611 and the second housing 612, both ends of the first housing 611 are provided with outwardly protruding bumps 6111, and both ends of the second housing 612 are provided with inwardly recessed slots 6121. The bumps 6111 are engaged in the corresponding slots 6121, and then fixed by screws 614. In order to hide the screws 614 and not add extra installation space, both ends of the second housing 612 are also provided with recesses 6122, so that the head of the screw 614 is hidden in the recesses 6122 after installation.

[0055] In this embodiment of the application, the upper end of the second housing 612 is provided with a plurality of through holes 6123 for the corresponding push rods 67 to slide through, and the lower end of the second housing 612 is provided with a movable groove 6124 for the pressure plate 64 to slide.

[0056] Working principle: push the pressing plate 64 so that the pressing rod 63 moves into the rotating rod 61, then the pressing rod 63 slides along the core rod 65, on one hand it will extrude the compression spring 66, on the other hand it will drive several connecting rods 632 to swing counterclockwise, then the connecting rod 632 will push the corresponding push rod 67 to move downward along the axial direction of the outer cylinder 68, then the scraper 69 is pressed against the inner wall of the filter screen cylinder 5, then prevent the pressing plate 64 from retracting, hold the handle 62 and rotate the rotating rod 61, then the several connecting assemblies drive the scraper 69 to rotate, the rotation of the scraper 69 will scrape off the impurities attached to the inner wall of the filter screen cylinder 5, that is, the cleaning work of the filter screen cylinder 5 can be realized, after cleaning, release the pressing plate 64, the tension spring 671 will pull the push rod 67 up to reset. The cleaning work can be carried out frequently to prevent the filter screen cylinder 5 from being blocked by impurities. After a long time of use, the impurities accumulate to a certain extent, the waterway is cut off, the manual valve 211 is manually opened, and the impurities are discharged through the drain pipe 21. In this way, the situation of frequent disassembly of the filter screen cylinder 5 can be avoided, which not only facilitates use, but also greatly reduces the workload brought by frequent disassembly.

[0057] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the embodiments of the present application can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A Y-type filter, characterized by, The utility model relates to a Y type filter body (1) is provided with filter screen cylinder (5) in it, the cleaning mechanism (6) of installation is on a cover (2), the blowdown pipe (21) of installation is on the cover (2) for discharging the impurity cleaned through the cleaning mechanism (6), specifically, the cleaning mechanism (6) includes rotary setting the rotary bar (61) of the cover (2), the pressure bar (63) of being located in the rotary bar (61) and can move along the axial direction of filter screen cylinder (5), a plurality of interval connections are connected on the pressure bar (63) connecting assembly and the scraper (69) of vertical connection with a plurality of connecting assembly, through the pressure bar (63) to the inner end of rotary bar (61) moves, can drive a plurality of connecting assembly moves, so that a plurality of connecting assembly drive the scraper (69) and press in the inner wall of filter screen cylinder (5), then rotary the rotary bar (61), can drive the scraper (69) to the inner wall of filter screen cylinder (5) carries out cleaning. The cover (2) is matched with the blowdown flange (17) of the Y type filter body (1) and is installed. The cleaning mechanism (6) further includes a core rod (65) disposed in the rotary bar (61), the pressure bar (63) is provided with a guide hole (631), and the end of the core rod (65) is slidably connected in the guide hole (631). The core rod (65) is provided with a compression spring (66) abutting between the pressure bar (63) and the rotary bar (61). The inner end of the rotary bar (61) is provided with a blocking block (613), the core rod (65) is vertically installed on the blocking block (613), and the compression spring (66) abuts between the pressure bar (63) and the blocking block (613).

2. The Y-type filter of claim 1, wherein, The outer end of the rotary bar (61) is provided with a handle (62), the pressure bar (63) is provided with a pressure plate (64) slidably connected with the rotary bar (61), and the pressure plate (64) and the handle (62) are located outside the Y type filter body (1).

3. The Y-type filter of claim 1, wherein, The connecting assembly includes:

4. The Y-type filter of claim 3, wherein, An outer cylinder (68) fixedly installed with the rotary bar (61); 5. The Y-type filter of claim 4, wherein, A push rod (67) slidably installed on the outer cylinder (68), the push rod (67) is fixedly connected with the scraper (69); 6. The Y-type filter of claim 1, wherein, A connecting rod (632) pivotally connected between the push rod (67) and the pressure bar (63); 7. The Y-type filter of claim 1, wherein A tension spring (671) connected between the push rod (67) and the outer cylinder (68). The sealing structure is further provided between the blowdown flange (17) and the cover (2). The sealing structure includes at least one O-shaped sealing ring (7). ​ ​ 8. The Y-type filter of claim 2, wherein, ​ 9. The Y-type filter of claim 8, wherein, ​

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