Pneumatic diaphragm regulating valve capable of accurately regulating flow
By introducing a filter device into the regulating valve, the blockage caused by impurities in the water pipe is solved, and the impurities are effectively filtered and cleaned, ensuring the normal operation and maintenance convenience of the regulating valve.
Patent Information
- Application Number
- CN202420943295.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-06
AI Technical Summary
During use, existing regulating valves are prone to blockage of the valve core due to the accumulation of impurities in the water pipes, and the water cannot be properly ventilated, which affects the use.
A precise flow-regulating pneumatic diaphragm regulating valve is designed, and a filter device includes a fixing frame, a filter mesh, a plug rod and a collection frame. The impurities in the water are filtered through the plug rod and the filter mesh and collected into the collection frame for easy cleaning. .
It effectively prevents impurities accumulation, ensures the normal operation of the regulating valve, simplifies the installation and cleaning process of the filter, and reduces the maintenance amount.
Smart Images

Figure CN222209190U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of regulating valves, in particular to a precise flow regulating pneumatic diaphragm regulating valve. Background Art
[0002] The regulating valve is the most widely used form of final control element. The regulating valve is subjected to working conditions such as temperature, pressure, corrosion and contamination that are more severe than other components. However, when it controls the flow of process fluid, it must operate satisfactorily with minimal maintenance.
[0003] In the prior art, when the regulating valve is in use, some impurities are inevitably present in the water pipe. After a long period of accumulation, these impurities are likely to block the valve core of the regulating valve, thereby causing the regulating valve to be unable to pass water normally and the regulating valve to be unable to be used normally. Utility Model Content
[0004] The utility model is to solve the shortcomings in the prior art and propose a precise flow regulating pneumatic diaphragm regulating valve.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a precise flow regulation pneumatic diaphragm regulating valve, comprising a regulating valve body, one end of the regulating valve body is fixedly connected to a water pipe, one end of the water pipe is fixedly connected to a mounting piece, a surface of the mounting piece is provided with a reserved hole, a filtering device is arranged inside the mounting piece, the filtering device comprises a fixing frame, the fixing frame is slidably inserted into the mounting piece with the help of the reserved hole, the size of the fixing frame is matched with the inner wall size of the mounting piece, a filter net is fixedly connected to the inside of the fixing frame, a fixing plate is fixedly connected to one side of the fixing frame, an L-shaped plate is fixedly connected to both sides of the mounting piece, a plug rod is slidably arranged on the surface of the L-shaped plate, plug holes are opened at both ends of the fixing plate, the size of the plug rod is matched with the size of the plug hole, and a collection frame is fixedly connected to one side of the fixing frame.
[0006] The effects achieved by the above components are: before the regulating valve needs to be used, the fixing plate is moved, and the fixing plate moves with the fixing frame and the filter screen, and the fixing frame and the filter screen are inserted into the reserved holes of the mounting piece. At this time, the fixing plate is attached to the surface of the mounting piece, and finally the plug rod is moved, and the plug rod passes through the L-shaped plate and is inserted into the plug hole of the fixing plate, thereby achieving the effect of fixing the fixing plate and the filter screen. When water flows through the water pipe, impurities in the water are filtered out by the filter screen, and the filtered impurities fall into the collection frame for collection. The filter screen set by the filtering device achieves the effect of filtering impurities in the water pipe, and at the same time, it is convenient for the staff to install and disassemble the filter screen, and it brings convenience to the staff to clean the filter screen.
[0007] Preferably, a pointed protrusion is fixedly connected to one end of the insertion rod, and the tip of the pointed protrusion is away from the insertion rod.
[0008] The effect achieved by the above-mentioned components is that the sharp protrusion makes it convenient for workers to insert the insertion rod into the insertion hole, thereby bringing convenience to the workers.
[0009] Preferably, one end of the insertion rod is fixedly connected to a pull rope, and one end of the pull rope is fixedly connected to the L-shaped plate.
[0010] The effect achieved by the above components is: by setting the pull rope, the maximum displacement of the insertion rod is limited, thereby preventing the insertion rod from falling when not in use.
[0011] Preferably, a sealing ring is fixedly connected to one side of the fixing plate close to the mounting member, and the sealing ring is a rubber ring.
[0012] The effect achieved by the above components is: by providing the sealing ring, the gap between the fixing plate and the mounting member is sealed, thereby preventing water from flowing out of the gap between the mounting member and the fixing plate.
[0013] Preferably, a groove is provided on one side of the fixing plate, and the fixing plate is fixedly connected to the control block via the groove.
[0014] The effect achieved by the above components is: the control block in the groove makes it easy for the staff to move the fixed plate, bringing convenience to the staff.
[0015] Preferably, an auxiliary device is provided inside the collection frame, and the auxiliary device includes a cleaning plate. The cleaning plate is located inside the collection frame, and the size of the cleaning plate is adapted to the inner wall size of the collection frame. A through hole is opened on one side of the collection frame, and a fixing rod is slidably provided on the surface of the collection frame, and one end of the fixing rod is fixedly connected to the cleaning plate.
[0016] The effect achieved by the above components is: when the collection frame needs to be cleaned, the fixed frame and the cleaning plate are first removed from the mounting part. At this time, the staff pulls the fixing rod, and the fixing rod moves the cleaning plate in the collection frame, and the cleaning plate moves out from the through hole on one side of the collection frame with the impurities, thereby achieving the effect of cleaning the impurities in the collection frame. The effect of cleaning the impurities in the collection frame is achieved through the auxiliary device, which brings convenience to the staff.
[0017] Preferably, one end of the fixing rod away from the cleaning plate is fixedly connected to a pulling plate, and the surface of the pulling plate is provided with anti-slip grooves.
[0018] The effect achieved by the above components is: by setting the pull plate, the contact area between the staff's hand and the fixed rod is increased, thereby facilitating the staff to move the pull plate, bringing convenience to the staff.
[0019] Preferably, a sliding block is fixedly connected to one side of the cleaning plate, a sliding groove is provided at a position of the fixed frame corresponding to the sliding block, and the size of the sliding block is matched with the size of the sliding groove.
[0020] The effect achieved by the above components is: by moving the slider of the cleaning plate in the slide groove, the moving direction of the cleaning plate is restricted, thereby improving the stability of the movement of the cleaning plate.
[0021] In summary, the beneficial effects of the utility model are:
[0022] Before the regulating valve needs to be used, the fixing plate is moved, and the fixing plate moves with the fixing frame and the filter net, and the fixing frame and the filter net are inserted into the reserved holes of the mounting piece. At this time, the fixing plate is attached to the surface of the mounting piece, and finally the plug rod is moved, and the plug rod passes through the L-shaped plate and is inserted into the plug hole of the fixing plate, thereby achieving the effect of fixing the fixing plate and the filter net. When water flows through the water pipe, impurities in the water are filtered out by the filter net, and the filtered impurities fall into the collection frame for collection. The filter net set by the filtering device achieves the effect of filtering impurities in the water pipe, and at the same time, it is convenient for the staff to install and disassemble the filter net, which brings convenience to the staff to clean the filter net. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0024] Figure 2 It is a three-dimensional structural schematic diagram of the filtering device of the utility model;
[0025] Figure 3 For this utility model Figure 2 A magnified image of point A;
[0026] Figure 4 It is a schematic diagram of the rear three-dimensional structure of the fixing plate of the utility model;
[0027] Figure 5 For this utility model Figure 4 Enlarged view of point B.
[0028] Legend: 1. Control valve body; 2. Water pipe; 3. Mounting part; 4. Reserved hole; 5. Filter device; 51. L-shaped plate; 52. Insert rod; 53. Fixed frame; 54. Filter net; 55. Fixed plate; 56. Insert hole; 57. Collecting frame; 58. Groove; 59. Control block; 510. Protrusion; 511. Pull rope; 512. Sealing ring; 6. Auxiliary device; 61. Cleaning plate; 62. Through hole; 63. Fixed rod; 64. Slide groove; 65. Slider; 66. Pull plate. DETAILED DESCRIPTION
[0029] Reference Figure 1-5 As shown, this embodiment discloses a precise flow regulating pneumatic diaphragm regulating valve, including a regulating valve body 1, one end of the regulating valve body 1 is fixedly connected to a water pipe 2, one end of the water pipe 2 is fixedly connected to a mounting member 3, a surface of the mounting member 3 is provided with a reserved hole 4, and a filtering device 5 is arranged inside the mounting member 3.
[0030] Reference Figure 1-5 As shown, the filtering device 5 includes a fixed frame 53, which is slidably inserted into the interior of the mounting member 3 by means of the reserved hole 4, the size of the fixed frame 53 is adapted to the inner wall size of the mounting member 3, a filter screen 54 is fixedly connected to the interior of the fixed frame 53, a fixed plate 55 is fixedly connected to one side of the fixed frame 53, L-shaped plates 51 are fixedly connected to both sides of the mounting member 3, an insertion rod 52 is slidably inserted on the surface of the L-shaped plate 51, insertion holes 56 are provided at both ends of the fixed plate 55, the size of the insertion rod 52 is adapted to the size of the insertion hole 56, and a collecting frame 57 is fixedly connected to one side of the fixed frame 53. Before the regulating valve is needed, the fixing plate 55 is moved, and the fixing plate 55 moves with the fixing frame 53 and the filter screen 54, and the fixing frame 53 and the filter screen 54 are inserted into the reserved hole 4 of the mounting member 3. At this time, the fixing plate 55 is attached to the surface of the mounting member 3, and finally the insertion rod 52 is moved, and the insertion rod 52 passes through the L-shaped plate 51 and is inserted into the insertion hole 56 of the fixing plate 55, thereby achieving the effect of fixing the fixing plate 55 and the filter screen 54. When water flows through the water pipe 2, impurities in the water are filtered out by the filter screen 54, and the filtered impurities fall into the collection frame 57 for collection. The filter screen 54 set by the filtering device 5 achieves the effect of filtering impurities in the water pipe 2, and at the same time, it is convenient for the staff to install and disassemble the filter screen 54, which brings convenience to the staff to clean the filter screen 54.
[0031] Reference Figure 1-5 As shown, one end of the plug rod 52 is fixedly connected with a pointed protrusion 510, and the tip of the pointed protrusion 510 is away from the plug rod 52. The provision of the pointed protrusion 510 facilitates the staff to insert the plug rod 52 into the socket 56, which brings convenience to the staff. One end of the plug rod 52 is fixedly connected with a pull rope 511, and one end of the pull rope 511 is fixedly connected to the L-shaped plate 51. By providing the pull rope 511, the maximum displacement of the plug rod 52 is limited, and the plug rod 52 is prevented from falling when not in use. A sealing ring 512 is fixedly connected to the side of the fixed plate 55 close to the mounting member 3, and the sealing ring 512 is a rubber ring. By providing the sealing ring 512, the gap between the fixed plate 55 and the mounting member 3 is sealed, and water is prevented from flowing out of the gap between the mounting member 3 and the fixed plate 55. A groove 58 is provided on one side of the fixed plate 55, and the fixed plate 55 is fixedly connected with a control block 59 by means of the groove 58. The control block 59 in the groove 58 makes it easy for the staff to move the fixing plate 55, thus bringing convenience to the staff.
[0032] Reference Figure 1-5 As shown, the interior of the collection frame 57 is provided with an auxiliary device 6, which includes a cleaning plate 61. The cleaning plate 61 is located inside the collection frame 57. The size of the cleaning plate 61 matches the size of the inner wall of the collection frame 57. A through hole 62 is provided on one side of the collection frame 57. A fixing rod 63 is provided on the surface of the collection frame 57. One end of the fixing rod 63 is fixedly connected to the cleaning plate 61. When the collection frame 57 needs to be cleaned, the fixing frame 53 and the cleaning plate 61 are first removed from the mounting member 3. At this time, the staff pulls the fixing rod 63, and the fixing rod 63 moves with the cleaning plate 61 in the collection frame 57. The cleaning plate 61 moves out of the through hole 62 on one side of the collection frame 57 with impurities, thereby achieving the effect of cleaning the impurities in the collection frame 57. The auxiliary device 6 achieves the effect of cleaning the impurities in the collection frame 57, which brings convenience to the staff.
[0033] Reference Figure 1-5 As shown, a pull plate 66 is fixedly connected to one end of the fixed rod 63 away from the cleaning plate 61, and the surface of the pull plate 66 is provided with anti-slip grooves. The pull plate 66 is provided to increase the contact area between the staff's hand and the fixed rod 63, thereby facilitating the staff to move the pull plate 66, which brings convenience to the staff. A slider 65 is fixedly connected to one side of the cleaning plate 61, and a slide groove 64 is provided at the fixed frame 53 corresponding to the slider 65, and the size of the slider 65 is adapted to the size of the slide groove 64. By moving the slider 65 of the cleaning plate 61 in the slide groove 64, the effect of limiting the moving direction of the cleaning plate 61 is achieved, and the stability of the movement of the cleaning plate 61 is improved.
[0034] Working principle: before the regulating valve needs to be used, the fixing plate 55 is moved through the control block 59 in the groove 58, and the fixing plate 55 moves with the fixing frame 53 and the filter screen 54, and the fixing frame 53 and the filter screen 54 are inserted into the reserved hole 4 of the mounting member 3. At this time, the fixing plate 55 is attached to the surface of the mounting member 3 with the help of the sealing ring 512, and finally the insertion rod 52 is moved, and the insertion rod 52 passes through the L-shaped plate 51 with the help of the pointed protrusion 510 and is inserted into the insertion hole 56 of the fixing plate 55, thereby achieving the effect of fixing the fixing plate 55 and the filter screen 54. When water flows through the water pipe 2, impurities in the water are filtered out by the filter screen 54, and the filtered impurities fall into the collection frame 57 for collection. The filter screen 54 set by the filtering device 5 achieves the effect of filtering impurities in the water pipe 2, and at the same time, it is convenient for the staff to install and disassemble the filter screen 54, which brings convenience to the staff to clean the filter screen 54.
[0035] When the collecting frame 57 needs to be cleaned, the fixed frame 53 and the cleaning plate 61 are first removed from the mounting member 3. At this time, the staff pulls the pull plate 66, and the pull plate 66 moves with the fixed rod 63. The fixed rod 63 moves with the cleaning plate 61 in the collecting frame 57, and the cleaning plate 61 moves out from the through hole 62 on one side of the collecting frame 57 with the impurities, thereby achieving the effect of cleaning the impurities in the collecting frame 57. The auxiliary device 6 achieves the effect of cleaning the impurities in the collecting frame 57, which brings convenience to the staff.
Claims
1. A precise flow control pneumatic diaphragm control valve, comprising a control valve body (1), characterized in that: One end of the regulating valve body (1) is fixedly connected to a water pipe (2), and one end of the water pipe (2) is fixedly connected to a mounting member (3). A reserved hole (4) is provided on the surface of the mounting member (3). A filtering device (5) is provided inside the mounting member (3). The filtering device (5) comprises a fixing frame (53). The fixing frame (53) is slidably inserted into the mounting member (3) by means of the reserved hole (4). The size of the fixing frame (53) matches the size of the inner wall of the mounting member (3). A filter screen (54) is fixedly connected inside the fixed frame (53), a fixed plate (55) is fixedly connected to one side of the fixed frame (53), L-shaped plates (51) are fixedly connected to both sides of the mounting member (3), a plug rod (52) is slidably provided on the surface of the L-shaped plate (51), plug holes (56) are provided at both ends of the fixed plate (55), the size of the plug rod (52) matches the size of the plug hole (56), and a collection frame (57) is fixedly connected to one side of the fixed frame (53).
2. The precise flow regulating pneumatic diaphragm regulating valve according to claim 1 is characterized in that: One end of the insertion rod (52) is fixedly connected to a pointed protrusion (510), and the tip of the pointed protrusion (510) is away from the insertion rod (52).
3. The precise flow regulating pneumatic diaphragm regulating valve according to claim 1 is characterized in that: One end of the insertion rod (52) is fixedly connected to a pull rope (511), and one end of the pull rope (511) is fixedly connected to the L-shaped plate (51).
4. The precise flow regulating pneumatic diaphragm regulating valve according to claim 1 is characterized in that: A sealing ring (512) is fixedly connected to one side of the fixing plate (55) close to the mounting member (3), and the sealing ring (512) is a rubber ring.
5. The precise flow regulating pneumatic diaphragm regulating valve according to claim 1 is characterized in that: A groove (58) is provided on one side of the fixing plate (55), and the fixing plate (55) is fixedly connected to a control block (59) by means of the groove (58).
6. The precise flow regulating pneumatic diaphragm regulating valve according to claim 1 is characterized in that: An auxiliary device (6) is provided inside the collecting frame (57), and the auxiliary device (6) comprises a cleaning plate (61). The cleaning plate (61) is located inside the collecting frame (57), and the size of the cleaning plate (61) is matched with the size of the inner wall of the collecting frame (57). A through hole (62) is provided on one side of the collecting frame (57), and a fixing rod (63) is slidably provided on the surface of the collecting frame (57), and one end of the fixing rod (63) is fixedly connected to the cleaning plate (61).
7. The precise flow regulating pneumatic diaphragm regulating valve according to claim 6, characterized in that: One end of the fixing rod (63) away from the cleaning plate (61) is fixedly connected to a pulling plate (66), and the surface of the pulling plate (66) is provided with anti-slip grooves.
8. The precise flow regulating pneumatic diaphragm regulating valve according to claim 6, characterized in that: A slider (65) is fixedly connected to one side of the cleaning plate (61), and a slide groove (64) is provided on the fixed frame (53) corresponding to the slider (65), and the size of the slider (65) is matched with the size of the slide groove (64).
