A pressure regulating valve

Abstract

The present invention relates to the technical field of pipeline control devices, and specifically to a pressure regulating valve, comprising a valve body, characterized in that a valve stem is installed at the top of the valve body, the bottom end of the valve stem extends to the inside of the valve body and is connected to a valve disc, a limiting shaft is installed in the valve body, an impurity collecting shaft is threadedly connected in the limiting shaft, an impeller is installed at the lower end of the limiting shaft, a cleaning block is provided in the impurity collecting shaft, the impeller rotates under the action of water flow, larger impurities in the fluid will be entangled on the impeller, when the impeller rotates through the groove on the impurity collecting shaft, the brush on the cleaning block will clean up the impurities entangled on the impeller, and under the squeezing of the impeller and the brush, some impurities will be crushed by the impeller and washed away by the fluid, and some larger impurities will be collected by the impurity collecting shaft, and the impurities accumulated in the valve body can be removed by rotating the impurity collecting shaft.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline control devices, in particular to a pressure regulating valve. Background Art

[0002] The pressure regulating valve is also called self-operated balancing valve, flow control valve, flow controller, dynamic balancing valve, and flow balancing valve. It is an intuitive and simple flow regulation control device. The flow regulating valve used in the pipeline network can directly set the flow according to the design. The valve can automatically eliminate the flow deviation caused by the residual pressure head and pressure fluctuation of the pipeline under the action of water. No matter how the system pressure changes, the set flow is maintained unchanged. These functions of the valve enable the pipeline network flow regulation to be completed at one time, turning the network adjustment work into a simple flow distribution, and effectively solving the hydraulic imbalance of the pipeline network.

[0003] Publication No.: CN110566686B discloses a pressure regulating valve, and its specific content is: a pressure regulating valve, including a main body, a sealing film fixedly sleeved on the inner side of the middle part of the top of the main body, a sleeve shell fixedly installed in the middle part of the top of the sealing film, a pipe clamping device and an adjusting device clamped on the inner side of the top of the pipe clamping device through a threaded sleeve on the middle part of the top of the sleeve shell. The pressure regulating valve can effectively avoid the pressure regulating valve from being broken due to excessive torque when adjusting the expansion device through the movable sleeve connection between the inner side of the bottom of the clamping block and the outer side of the top of the pipe clamping device. The lifting block is threadedly sleeved on the middle part of the outer side of the adjusting rod, and the lifting block, the first connecting rod, the second connecting rod, the fixed block and the adjusting rod are matched to improve the convenience of disassembly and assembly of the adjusting device and the pipe clamping device, and solve the problem that the hand wheel of the existing pressure regulating valve is inconvenient to disassemble and assemble.

[0004] When the above invention is used near a pond, which contains organisms such as aquatic plants and algae, long-term use will cause aquatic plants and other impurities to accumulate in the valve body, causing blockage. When cleaning is required, the staff needs to remove the valve body from the pipeline and then disassemble the valve body, which greatly increases the workload of the staff. Repeated disassembly and assembly of the valve body will cause the sealing of the valve body to decrease. Summary of the invention

[0005] The main purpose of the present invention is to provide a pressure regulating valve to solve the problem that the pressure regulating valve used by the pond will be blocked by organisms such as aquatic plants and algae due to long-term use.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a pressure regulating valve, including a valve body, characterized in that: a valve stem is installed at the top of the valve body, the bottom end of the valve stem extends to the inside of the valve body and is connected to a valve disc, a limiting shaft is installed in the valve body, an impurity collecting shaft is threadedly connected in the limiting shaft, an impeller is installed at the lower end of the limiting shaft, a cleaning block is provided in the impurity collecting shaft, and the cleaning block is used to clean impurities on the impeller.

[0007] Preferably, a first rotating wheel is provided at the top of the valve body, a thread is provided inside the first rotating wheel, a thread is provided on the valve stem, the first rotating wheel cooperates with the thread on the valve stem, the bottom of the valve stem is fixedly connected to a valve flap, and the valve flap is arranged inside the valve body.

[0008] Preferably, there are two groups of the valve stem, the first rotor and the valve flap.

[0009] Preferably, the limiting shaft is installed inside the valve body, a threaded mounting hole is provided inside the limiting shaft, the threaded mounting hole is a through hole, and a bearing is fixedly installed at the lower end of the limiting shaft.

[0010] Preferably, the impellers are provided in three groups, the impellers are fixedly connected to the rotating shaft, the rotating shaft is installed at the lower end of the limiting shaft, and the rotating shaft is connected to the bearing.

[0011] Preferably, the impurity collection shaft is installed inside the valve body through a threaded mounting hole, a second rotating wheel is provided at the upper end of the impurity collection shaft, the second rotating wheel is fixedly connected to the impurity collection shaft, a groove is provided on the lower side wall of the impurity collection shaft, a cleaning block is provided at the upper and lower ends of the groove, and a hard brush is fixedly connected to the cleaning block.

[0012] Preferably, the impeller is installed on one side of the impurity collection shaft, and the impeller blades are tangent to the impurity collection shaft.

[0013] Preferably, the impeller corresponds to a groove on the impurity collecting shaft, and the impeller passes through the groove on the impurity collecting shaft when rotating.

[0014] Preferably, a fixing block is provided at the lower end of the impurity collecting shaft, and the fixing blocks are distributed along the circumference. A plurality of through holes are provided at the lower end of the impurity collecting shaft.

[0015] Preferably, the valve flap is installed on both sides of the impeller and the impurity collecting shaft.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention uses an impeller and an impurity collecting shaft to cooperate. The impeller rotates under the action of water flow, and larger impurities in the fluid will be entangled on the impeller. When the impeller rotates through the groove on the impurity collecting shaft, the brush on the cleaning block will clean up the impurities entangled on the impeller, and under the squeezing of the impeller and the brush, some impurities will be crushed by the impeller and washed away by the fluid, and some larger impurities will be collected by the impurity collecting shaft. The impurities accumulated in the valve body can be removed by rotating the impurity collecting shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is the overall structural view of the present invention;

[0019] Figure 2 It is an overall cross-sectional view of the present invention;

[0020] Figure 3 This is a cross-sectional view of the impurity collection axis of the present invention;

[0021] Figure 4 This is a cross-sectional view of the impurity collection shaft and the impeller bottom of the present invention;

[0022] Figure 5 This is a bottom cross-sectional view of the impurity collection shaft and the impeller of the present invention;

[0023] Figure 6 This is a bottom view of the installation of the impurity collection shaft of the present invention;

[0024] Figure 7 This is an overall view of the impurity collection shaft of the present invention.

[0025] In the figure: valve body 1, second rotor 2, first rotor 3, valve stem 4, limit shaft 5, impurity collecting shaft 6, valve disc 7, impeller 8, rotating shaft 9, cleaning block 10, brush 11, fixing block 12, through hole 13, bearing 14, threaded mounting hole 15, groove 16. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described 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 the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0028] Figures 1 to 7As shown: A pressure regulating valve, including a valve body 1, characterized in that: a valve stem 4 is installed at the top of the valve body 1, the bottom end of the valve stem 4 extends to the inside of the valve body 1 and is connected to a valve disc 7, a limiting shaft 5 is installed in the valve body 1, an impurity collecting shaft 6 is threadedly connected in the limiting shaft 5, an impeller 8 is installed at the lower end of the limiting shaft 5, a cleaning block 10 is provided in the impurity collecting shaft 6, and the cleaning block 10 is used to clean impurities on the impeller 8.

[0029] Specifically, a first rotary wheel 3 is provided at the top of the valve body 1, a thread is provided inside the first rotary wheel 3, a thread is provided on the valve stem 4, the first rotary wheel 3 cooperates with the thread on the valve stem 4, the bottom of the valve stem 4 is fixedly connected to a valve flap 7, and the valve flap 7 is arranged inside the valve body 1. By adopting the above technical scheme, the valve body 1 supports the first rotary wheel, and the thread on the first rotary wheel 3 cooperates with the thread on the valve stem 4. When the first rotary wheel 3 rotates, the valve body 1 limits the up and down movement of the first rotary wheel 3. At this time, the thread on the first rotary wheel 3 cooperates with the thread on the valve stem to control the lifting and lowering of the valve stem 4, and the valve flap 7 rises and falls with the valve stem 4.

[0030] Specifically, there are two groups of the valve stem 4 , the first runner 3 and the valve flap 7 .

[0031] Specifically, the limit shaft 5 is installed inside the valve body 1, and a threaded mounting hole 15 is provided inside the limit shaft 5, and the threaded mounting hole 15 is a through hole. A bearing 14 is fixedly installed at the lower end of the limit shaft 5. By adopting the above technical scheme, the limit shaft 5 is installed inside the valve body 1, and a threaded through hole 13 is provided inside the limit shaft 5 to facilitate the installation of the impurity collection shaft 6. At the same time, a threaded connection is adopted to avoid leakage. A bearing 14 is installed at the lower end of the limit shaft 5 to facilitate the installation and rotation of the rotating shaft 9.

[0032] Specifically, the impeller 8 is provided with three groups, the impeller 8 is fixedly connected to the rotating shaft 9, the rotating shaft 9 is installed at the lower end of the limiting shaft 5, the rotating shaft 9 is connected to the bearing 14, and by adopting the above technical scheme, the rotating shaft 9 is connected to the bearing 14, the impeller 8 is installed on the rotating shaft 9, and the impeller 8 can rotate with the rotating shaft 9.

[0033] Specifically, the impurity collecting shaft 6 is installed inside the valve body 1 through a threaded mounting hole 15, a second rotor 2 is provided at the upper end of the impurity collecting shaft 6, the second rotor 2 is fixedly connected to the impurity collecting shaft 6, a groove 16 is provided on the lower side wall of the impurity collecting shaft 6, a cleaning block 10 is provided at the upper and lower ends of the groove 16, and a hard brush 11 is fixedly connected to the cleaning block 10. By adopting the above technical solution, the second rotor 2 at the upper end of the impurity collecting shaft 6 facilitates the installation and disassembly of the impurity collecting shaft 6, and when the impeller 8 rotates through the groove 16 on the lower side wall of the impurity collecting shaft 6, the hard brush 11 on the cleaning block 10 in the groove 16 will clean the impurities on the impeller 8, and the impurities will fall into the impurity collecting shaft 6 and can be taken out with the impurity collecting shaft 6.

[0034] Specifically, the impeller 8 is installed on one side of the impurity collection shaft 6, and the impeller 8 blades are tangent to the impurity collection shaft 6. By adopting the above technical solution, the impeller 8 blades are tangent to the impurity collection shaft 6, and when the impurity collection shaft 6 is rotated, there is no interference with the impeller 8, and the impurity collection shaft 6 can be taken out from the gap between the blades of the impeller 8. The groove 16 corresponds to the impeller 8, and the impeller 8 will pass through the groove 16 on the impurity collection shaft 6 every time it rotates, which is convenient for cleaning the impeller 8.

[0035] Specifically, the impeller 8 corresponds to the groove 16 on the impurity collection shaft 6. When the impeller 8 rotates, it will pass through the groove 16 on the impurity collection shaft 6. By adopting the above technical solution, the groove 16 corresponds to the impeller 8. Each time the impeller 8 rotates, it will pass through the groove 16 on the impurity collection shaft 6, which is convenient for cleaning the impeller 8.

[0036] Specifically, a fixing block 12 is provided at the lower end of the impurity collection shaft 6, and the fixing blocks 12 are distributed along the circumference. A plurality of through holes 13 are provided at the lower end of the impurity collection shaft 6. By adopting the above technical solution, the fixing block 12 at the lower end of the impurity collection shaft 6 will push aside the blades on the impeller 8 when the impurity collection shaft 6 is installed, so that the impurity collection shaft 6 remains tangent to the blades on the impeller 8, which is convenient for installation.

[0037] Specifically, the valve flap 7 is installed on both sides of the impeller 8 and the impurity collecting shaft 6 .

[0038] Working principle: When using the pressure valve, the valve disc 7 is installed on both sides of the impeller 8 and the impurity collection shaft 6. The valve disc 7 is fixedly connected to the valve stem 4. The valve stem 4 is provided with a thread. The first runner 3 rotates along the thread to control the rise and fall of the valve stem 4. The valve disc 7 fixedly connected to the bottom of the valve stem 4 rises and falls with the valve stem 4. The limit shaft 5 is installed in the valve body 1, and the impeller 8 is installed at the lower end of the limit shaft 5 through the bearing 14. The impurity collection shaft 6 is installed through the threaded mounting hole 15 on the limit shaft 5. The fixed block 12 at the lower end of the impurity collection shaft 6 will push away the impeller 8 when the impurity collection shaft 6 is installed. The blades keep the impurity collection shaft 6 tangent to the blades on the impeller 8, which is easy to install. The impeller 8 blades are tangent to the impurity collection shaft 6. When the impurity collection shaft 6 is rotated, it will not interfere with the impeller 8. The impurity collection shaft 6 can be taken out from the gap between the impeller 8 blades. The groove 16 on the impurity collection shaft 6 corresponds to the impeller 8. When the impeller 8 rotates through the groove 16 on the lower side wall of the impurity collection shaft 6, the hard brush 11 on the cleaning block 10 in the groove 16 will clean the impurities on the impeller 8, and the impurities will fall into the impurity collection shaft 6 and can be taken out with the impurity collection shaft 6.

[0039] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A pressure regulating valve, comprising a valve body (1), characterized in that: A valve stem (4) is installed at the top of the valve body (1), the bottom end of the valve stem (4) extends into the interior of the valve body (1) and is connected to a valve flap (7), a limit shaft (5) is installed in the valve body (1), an impurity collecting shaft (6) is threadedly connected in the limit shaft (5), an impeller (8) is installed at the lower end of the limit shaft (5), a cleaning block (10) is provided in the impurity collecting shaft (6), and the cleaning block (10) is used to clean impurities on the impeller (8); The impurity collection shaft (6) is installed inside the valve body (1) through a threaded mounting hole (15); a second rotating wheel (2) is provided at the upper end of the impurity collection shaft (6); the second rotating wheel (2) is fixedly connected to the impurity collection shaft (6); a groove (16) is provided on the lower side wall of the impurity collection shaft (6); a cleaning block (10) is provided at the upper and lower ends of the groove (16); and a hard brush (11) is fixedly connected to the cleaning block (10); The impeller (8) is installed on one side of the impurity collection shaft (6), and the blades of the impeller (8) are tangent to the impurity collection shaft (6).

2. A pressure regulating valve according to claim 1, characterized in that: A first rotating wheel (3) is provided at the top of the valve body (1), a thread is provided inside the first rotating wheel (3), a thread is provided on the valve stem (4), the first rotating wheel (3) matches with the thread on the valve stem (4), a valve flap (7) is fixedly connected to the bottom of the valve stem (4), and the valve flap (7) is arranged inside the valve body (1).

3. A pressure regulating valve according to claim 2, characterized in that: There are two groups of the valve stem (4), the first rotating wheel (3) and the valve flap (7).

4. A pressure regulating valve according to claim 1, characterized in that: The limiting shaft (5) is installed inside the valve body (1), a threaded mounting hole (15) is provided inside the limiting shaft (5), the threaded mounting hole (15) is a through hole, and a bearing (14) is fixedly installed at the lower end of the limiting shaft (5).

5. A pressure regulating valve according to claim 1, characterized in that: The impeller (8) is provided with three groups. The impeller (8) is fixedly connected to the rotating shaft (9). The rotating shaft (9) is installed at the lower end of the limiting shaft (5). The rotating shaft (9) is connected to the bearing (14).

6. A pressure regulating valve according to claim 1, characterized in that: The impeller (8) corresponds to the groove (16) on the impurity collection shaft (6), and the impeller (8) passes through the groove (16) on the impurity collection shaft (6) when rotating.

7. A pressure regulating valve according to claim 6, characterized in that: A fixing block (12) is provided at the lower end of the impurity collection shaft (6), the fixing blocks (12) are distributed along the circumference, and a plurality of through holes (13) are provided at the lower end of the impurity collection shaft (6).

8. A pressure regulating valve according to claim 1, characterized in that: The valve flap (7) is installed on both sides of the impeller (8) and the impurity collection shaft (6).

Images