Filtering type valve

Abstract

The utility model relates to the technical field of valves, and discloses a filtering type valve which comprises a valve body, a flange A and a flange B, and the flange A and the flange B are fixedly arranged on the left side and the right side of the valve body respectively. The flange C and the flange D are fixedly arranged on the left side and the right side of the pipeline respectively, the protruding plate and the filter frame are fixedly arranged above the pipeline, the filter screen and the cover plate are fixedly arranged in the filter frame, the flange A and the flange D are fixedly connected through bolts, and an inserting groove A matched with the filter frame is formed in the inner side wall of the pipeline. A slot B communicated with the slot A is formed in the top wall of the protruding plate, the filter frame is inserted into the slot B and the slot A and then located in the pipeline, and the cover plate is fixedly arranged above the protruding plate through bolts. The valve has the advantage that the filter screen is convenient to replace, and the problem that the filter screen is not convenient to replace due to the fact that the valve body needs to be detached during replacement and operation is tedious is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to a filter formula valve. BACKGROUND

[0002] Valve is in fluid system, is used for controlling fluid's direction, pressure, flow device. It is the control part in the fluid conveying system of pipeline, is used for changing passage section and medium flow direction, has the function of guiding flow, cut-off, throttling, check, shunt or overflow pressure relief.

[0003] In order to prevent the impurities in fluid from causing the blockage of valve, part of valve interior will be equipped with filter screen, utilizes filter screen to filter fluid, can reduce the influence of fluid impurities to valve. But filter screen is covered by impurities after long-term use, needs to be replaced regularly, needs to disassemble valve body when replacing, it is more cumbersome to operate, leads to the problem that replacing filter screen is not convenient. UTILITY MODEL CONTENT

[0004] The utility model discloses a filter formula valve to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a filter formula valve, including valve body, the flange A and flange B that are fixedly arranged respectively in the left and right sides of valve body, characterized in that: the left side of valve body is equipped with filter assembly, the filter assembly includes pipeline, the flange C and flange D that are fixedly arranged respectively in the left and right sides of pipeline, the lug that is fixedly arranged above pipeline, filter frame, filter screen that is fixedly arranged in filter frame, cover plate, the flange A is connected through bolt fixing with flange D, the inside wall on pipeline is equipped with the slot A that is matched with filter frame, the lug top wall is equipped with the slot B that is communicated with slot A, after filter frame inserts slot B and slot A, it is located in the inside of pipeline, the cover plate is fixedly arranged above lug through bolt.

[0006] Preferably, the filter assembly further includes a screw sleeve and a threaded stud fixedly arranged above the filter frame, the threaded stud is screwed into the screw sleeve and fixedly connected with the filter frame, and the threaded stud is fixedly arranged between the cover plate and the screw sleeve when the cover plate is fixedly arranged above the lug.

[0007] Preferably, the filter assembly further includes a sealing gasket, the lug top wall is provided with a sealing groove, the sealing gasket is located in the sealing groove and abuttingly connected with the lug, a pressing plate matched with the sealing groove is fixedly arranged below the cover plate, and the pressing plate is fixedly connected with the sealing gasket by being inserted into the sealing groove when the cover plate is fixedly arranged above the lug.

[0008] Preferably, the filter assembly further comprises a spring, a top plate above the cover plate, the cover plate top wall is provided with a insertion hole, the spring is located in the insertion hole, and the upper and lower ends of the spring are fixedly connected with the top plate and the bottom wall of the insertion hole respectively.

[0009] Preferably, the filter assembly further comprises a sealing ring, the left side wall of the flange A is provided with a ring groove, the sealing ring is located in the ring groove and is in abutting connection with the flange A, the right side of the flange D is fixedly provided with a convex ring matched with the ring groove, and the convex ring is fixedly connected with the sealing ring when the flange A and the flange D are fixedly connected.

[0010] Preferably, the left and right sides of the screw sleeve are fixedly provided with guide blocks, the left and right side walls of the insertion slot B are provided with guide grooves matched with the guide blocks, and the guide blocks are in contact connection with the convex plate by being inserted into the guide grooves.

[0011] Preferably, the sealing gasket and the sealing ring are made of butyronitrile rubber material.

[0012] The utility model discloses beneficial effect lies in: the utility model discloses when using, the flange A and the flange D are fixedly connected through bolt, make convex ring insert ring groove with sealing ring fixed connection, have played the role of sealing flange A and flange D junction place, insert insertion slot B and insertion slot A with filter frame to filter frame and filter screen are located in the pipeline, and the stud is screwed into the screw sleeve and is fixedly connected with the filter frame, and the cover plate is fixedly arranged above the convex plate through the bolt, so that the stud is fixedly arranged between the cover plate and the screw sleeve, which plays a role of pressing the filter frame to prevent its movement. At this time, the sealing groove is inserted into the sealing gasket and fixedly connected, which plays a role of sealing the connection between the cover plate and the convex plate. The assembly of the utility model is completed. When the fluid passes through the pipeline, the filter screen can filter impurities, thereby reducing the influence of impurities on the valve. When it is necessary to replace the filter screen, the cover plate is removed from the convex plate, the stud is clamped using a tool, and the stud is pulled upward to drive the screw sleeve and the filter frame to move upward, thereby taking out the filter frame from the insertion slot A and reinstalling a new filter frame into the pipeline (the process is as above). Without disassembling the valve body, the filter screen can be replaced. In summary, the utility model has the beneficial effect of facilitating the replacement of the filter screen, and solves the problem that the valve body needs to be disassembled during replacement, which is relatively complicated and inconvenient for replacing the filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0013] ATTACHED Figure 1 The structure of the utility model is shown in the attached drawings.

[0014] ATTACHED Figure 2 The left side structure of the utility model is shown in the attached drawings.

[0015] ATTACHED Figure 3 The top view of the utility model is shown in the attached drawings.

[0016] ATTACHED Figure 4 The attachedFigure 3 Cross-sectional view at A-A;

[0017] Figure Figure 5 Figure Figure 4 Enlarged view at A.

[0018] In the figure: 1, valve body; 2, flange A; 3, flange B; 4, pipeline; 5, flange C; 6, flange D; 7, convex plate; 8, filter frame; 9, filter screen; 10, cover plate; 11, insertion slot A; 12, insertion slot B; 13, screw sleeve; 14, stud; 15, sealing gasket; 16, sealing groove; 17, pressing plate; 18, spring; 19, top plate; 20, insertion hole; 21, sealing ring; 22, ring groove; 23, convex ring; 24, guide block; 25, guide groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0020] For example Figures 1-5The utility model discloses a filter formula valve, including valve body 1, respectively fixedly arranged in the flange A2 and flange B3 of valve body 1 left and right two sides, the left side of valve body 1 is equipped with filter assembly, the filter assembly includes pipeline 4, respectively fixedly arranged in the flange C5 and flange D6 of pipeline 4 left and right two sides, fixedly arranged in the convex board 7 of pipeline 4 top, filter frame 8, fixedly arranged in the filter screen 9 of filter frame 8, cover plate 10, the flange A2 with flange D6 are fixedly connected through bolt, the inside wall of pipeline 4 is set up with the insertion slot A11 of filter frame 8 matching, the top wall of convex board 7 is set up with the insertion slot B12 of insertion slot A11 intercommunication, filter frame 8 is inserted insertion slot B12 and insertion slot A11 and is located inside pipeline 4, cover plate 10 is fixedly set up in the top of convex board 7. The utility model uses, will flange A2 with flange D6 be fixedly connected through bolt, make convex ring 23 insert ring groove 22 with sealing washer 21 fixed connection, played the role of sealing flange A2 with flange D6 junction; filter frame 8 is inserted insertion slot B12 and insertion slot A11, make filter frame 8 and filter screen 9 be located inside pipeline 4, screw post 14 is rotated into screw sleeve 13 with filter frame 8 fixed connection, cover plate 10 is fixedly set up in the top of convex board 7, make screw post 14 fixedly set up between cover plate 10 and screw sleeve 13, played the role of pressing filter frame 8 and preventing its movement, when pressing plate 17 is inserted sealing groove 16 with sealing gasket 15 fixed connection, played the role of sealing cover plate 10 with convex board 7 junction, complete the assembly of the utility model, when fluid passes through pipeline 4, filter screen 9 will filter impurities, thereby reduce the influence of impurities on valve, when needing to replace filter screen 9, the cover plate 10 is taken off from the convex board 7, using the tool to clamp screw post 14, pull screw post 14 upwards, can drive screw sleeve 13 and filter frame 8 to move upwards, thereby taking out filter frame 8 from insertion slot A11, install new filter frame 8 to pipeline 4 (process as above), do not need to disassemble valve body 1, can complete the replacement of filter screen 9, the utility model has the beneficial effects of convenient replacement filter screen 9, solves the problem of disassembling valve body 1 when replacing, the operation is more complicated, leads to the problem that the replacement filter screen 9 is not convenient.

[0021] Preferably, the filter assembly further comprises a screw sleeve 13 and a screw post 14 fixedly arranged above the filter frame 8, the screw post 14 is screwed into the screw sleeve 13 and fixedly connected with the filter frame 8, and the screw post 14 is fixedly arranged between the cover plate 10 and the screw sleeve 13 when the cover plate 10 is fixedly arranged above the convex plate 7. Since the screw post 14 is screwed into the screw sleeve 13 and fixedly connected with the filter frame 8, the screw post 14 can be clamped by a tool and moved upwards or downwards to drive the screw sleeve 13 and the filter frame 8 to move, thereby facilitating the insertion and extraction of the filter frame 8 into or from the insertion slot A11. Since the screw post 14 is fixedly arranged between the cover plate 10 and the screw sleeve 13, the filter frame 8 can be pressed to prevent movement.

[0022] Preferably, the filter assembly further comprises a sealing gasket 15, the convex plate 7 is provided with a sealing groove 16 on the top wall, the sealing gasket 15 is located inside the sealing groove 16 and is in contact with the convex plate 7, the cover plate 10 is fixedly provided with a pressing plate 17 matching the sealing groove 16 below, and the pressing plate 17 is inserted into the sealing groove 16 and is fixedly connected with the sealing gasket 15 when the cover plate 10 is fixedly arranged above the convex plate 7. Since the cover plate 10 is fixedly provided with the pressing plate 17 matching the sealing groove 16 below, the pressing plate 17 is inserted into the sealing groove 16 and is fixedly connected with the sealing gasket 15 when the cover plate 10 is fixedly arranged above the convex plate 7, which seals the joint of the cover plate 10 and the convex plate 7 and prevents fluid in the pipeline 4 from leaking.

[0023] Preferably, the filter assembly further comprises a spring 18 and a top plate 19 located above the cover plate 10, the cover plate 10 is provided with a insertion hole 20 on the top wall, the spring 18 is located inside the insertion hole 20, and the upper and lower ends of the spring 18 are fixedly connected with the top plate 19 and the bottom wall of the insertion hole 20 respectively. Since the top plate 19 is located above the cover plate 10, the upper and lower ends of the spring 18 are fixedly connected with the top plate 19 and the bottom wall of the insertion hole 20 respectively, and the head of the bolt is pressed above the top plate 19 when the cover plate 10 is fixedly arranged above the convex plate 7 by the bolt, the spring 18 exerts a spring force on the head of the bolt through the top plate 19, the threads of the bolt and the nut are tightly contacted, which prevents the bolt from loosening and further improves the sealing performance.

[0024] Preferably, the filter assembly further comprises a sealing ring 21, the flange A2 is provided with a ring groove 22 on the left side wall, the sealing ring 21 is located inside the ring groove 22 and is in contact with the flange A2, the flange D6 is fixedly provided with a convex ring 23 matching the ring groove 22 on the right side, and the convex ring 23 is inserted into the ring groove 22 and is fixedly connected with the sealing ring 21 when the flange A2 is fixedly connected with the flange D6. Since the flange D6 is fixedly provided with the convex ring 23 matching the ring groove 22 on the right side, the convex ring 23 is inserted into the ring groove 22 and is fixedly connected with the sealing ring 21 when the flange A2 is fixedly connected with the flange D6, which seals the joint of the flange A2 and the flange D6 and prevents fluid from leaking from the joint.

[0025] Preferably, the guide block 24 is fixedly arranged on the left and right sides of the screw sleeve 13, the guide groove 25 matching the guide block 24 is arranged on the left and right side walls of the insertion groove B12, and the guide block 24 is in contact with the convex plate 7 after being inserted into the guide groove 25. Since the guide block 24 is in contact with the convex plate 7 after being inserted into the guide groove 25, the filter frame 8 is prevented from tilting.

[0026] Preferably, the sealing gasket 15 and the sealing ring 21 are made of nitrile rubber material. Since the sealing gasket 15 and the sealing ring 21 are made of nitrile rubber material, they have good sealing performance and good wear resistance.

[0027] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A filtering valve, comprising a valve body (1), a flange A (2) and a flange B (3) fixedly arranged on the left and right sides of the valve body (1) respectively, characterized in that: The valve body (1) left side is equipped with filter assembly, the filter assembly includes pipeline (4), respectively fixedly arranged in pipeline (4) left and right two sides flange C (5) and flange D (6), fixedly arranged in the upper flange of pipeline (4) (7), filter frame (8), fixedly arranged in filter frame (8) filter screen (9), cover plate (10), the flange A (2) with flange D (6) are fixedly connected by bolt, the inside wall of pipeline (4) is equipped with the insertion slot A (11) that is matched with filter frame (8), the top wall of the convex plate (7) is equipped with the insertion slot B (12) that is communicated with insertion slot A (11), after filter frame (8) is inserted insertion slot B (12) and insertion slot A (11), located in the inside of pipeline (4), the cover plate (10) is fixedly arranged in the upper convex plate (7).

2. A filter valve according to claim 1, characterised in that: The filter assembly further includes fixedly arranged in the upper filter frame (8) of the sleeve nut (13), stud (14), the stud (14) is screwed into the sleeve nut (13) and is fixedly connected with filter frame (8), when the cover plate (10) is fixedly arranged in the upper convex plate (7), the stud (14) is fixedly arranged between the cover plate (10) and the sleeve nut (13).

3. A filter valve according to claim 1, wherein: The filter assembly further includes sealing gasket (15), the top wall of the convex plate (7) is equipped with sealing groove (16), the sealing gasket (15) is located in sealing groove (16) and is in contact with the convex plate (7), the lower side of the cover plate (10) is fixedly provided with the pressing plate (17) that is matched with sealing groove (16), when the cover plate (10) is fixedly arranged in the upper convex plate (7), the pressing plate (17) is inserted sealing groove (16) and is fixedly connected with sealing gasket (15).

4. A filter valve according to claim 3, wherein: The filter assembly further includes spring (18), top plate (19) located above the cover plate (10), the top wall of the cover plate (10) is equipped with insertion hole (20), the spring (18) is located in insertion hole (20), the upper and lower ends of the spring (18) are fixedly connected with top plate (19) and insertion hole (20) bottom wall respectively.

5. A filter valve according to claim 3, wherein: The filter assembly further includes sealing ring (21), the left side wall of the flange A (2) is equipped with ring groove (22), the sealing ring (21) is located in ring groove (22) and is in contact with the flange A (2), the right side of the flange D (6) is fixedly provided with the convex ring (23) that is matched with ring groove (22), when the flange A (2) is fixedly connected with the flange D (6), the convex ring (23) is inserted ring groove (22) and is fixedly connected with sealing ring (21).

6. A filter valve according to claim 2, wherein: The left and right sides of the sleeve nut (13) are fixedly provided with guide block (24), the left and right side walls of the insertion slot B (12) are equipped with guide groove (25) that is matched with guide block (24), the guide block (24) is inserted guide groove (25) and is in contact with the convex plate (7).

7. A filter valve according to claim 5, wherein: The sealing gasket (15) and sealing ring (21) are both made of butyronitrile rubber material.

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