Multi-valve disc type regulating valve

Abstract

The present invention relates to a multi-valve flap regulating valve, which includes a valve body; a valve core, including a core body and a valve plate, wherein the valve plate includes a plurality of valve flaps; and an adjusting mechanism, including a drive disk and a drive member, wherein when the drive disk rotates clockwise or counterclockwise, the plurality of valve flaps synchronously tighten toward the center of a fluid channel and close the fluid channel, or synchronously expand outward from the center of the fluid channel and open the fluid channel. The present invention adopts a plurality of synchronously moving valve flaps, which can not only realize the precise control of fluid flow, but also has a long service life and stable operation. At the same time, when the valve flap is opened, the center of the fluid channel is expanded toward the periphery, and the fluid forms a symmetrical turbulent area in the rear area after throttling by the valve flap. With the help of a guide tube of a venturi structure, it is beneficial to the precise control of the pressure and flow of the fluid, thereby achieving the effect of energy saving. In addition, during the movement of the valve flap, the attachments on the surface of the valve flap can be scraped off to realize self-cleaning.

Description

Technical Field

[0001] The invention belongs to the field of valves, and in particular relates to a multi-valve flap type regulating valve. Background Art

[0002] Valves are pipe accessories used to open and close pipes, control flow direction, and adjust and control the parameters (temperature, pressure, and flow) of the conveying medium. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, butterfly valves, etc.

[0003] At present, the flow or pressure regulating devices on the market mainly include butterfly valves, V-type ball valves or V-type gate valves (gate valves), diamond valves, stop valves, etc. Butterfly valves are commonly used in extensive control systems due to their simple structure. Due to their own characteristics (the flow cannot be controlled at small and large openings, and their control range is in the range of 30-60%, it is difficult to achieve a wide range of control. The linearity of V-type ball valves or V-type gate valves and diamond valves is not ideal. At the same time, when achieving the same range of flow control, the volume is large, resulting in high cost of the entire set of regulating valves. The stop valve is the mainstream of regulating valves and is widely used. However, due to the limitation of its controllable range and large pressure loss, the entire set of valves has many auxiliary parts, large volume and weight, and significantly increased costs, and the cost of later maintenance also increases.

[0004] Therefore, whether it is a butterfly valve (the valve disc is placed in the middle of the pipeline, and uneven turbulence will occur behind the valve disc when the fluid passes through the valve disc. However, the pressure fluctuation of the controlled fluid is large, and it is difficult to achieve precise and stable control), a V-type ball valve or a V-type gate valve (due to the unbalanced throttling of the fluid in the pipeline, uneven turbulence will also occur), although the stop-type control valve will not produce obvious turbulence, the fluid needs to change the flow path twice, so the system pressure drop is large, which is not conducive to energy saving. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an improved multi-valve flap type regulating valve.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A multi-valve flap type regulating valve, comprising:

[0008] Valve body;

[0009] The valve core comprises a core body arranged inside the valve body and forming a fluid channel, a valve plate arranged on the core body and intercepting the fluid channel, wherein the valve plate comprises a plurality of valve flaps distributed with the center of the fluid channel as the center of a circle, and each adjacent two valve flaps are arranged in linkage,

[0010] An adjusting mechanism is used to drive the valve plate to open or close the fluid channel, and includes a driving disk connected to each valve disc and formed with a fluid channel hole constituting the fluid channel, and a driving member driving the driving disk to rotate clockwise or counterclockwise around the center of the fluid channel hole, wherein when the driving disk rotates clockwise or counterclockwise, multiple valve discs synchronously tighten toward the center of the fluid channel and close the fluid channel, or synchronously expand outward from the center of the fluid channel to the fluid channel and open the fluid channel.

[0011] Preferably, each valve flap has the same structure and has a first butt joint edge and a second butt joint edge, and each adjacent two valve flaps are slidably connected from the first butt joint edge of one valve flap to the second butt joint edge of the other valve flap to form a linkage match. In this way, not only the strength of the valve plate is guaranteed, but also the synchronous tightening or unfolding movement of multiple valve flaps is more convenient.

[0012] According to a specific implementation and preferred aspect of the present invention, a back plate and a pressure plate are provided in the valve core, which form fluid channel holes and are distributed on opposite sides of the multiple valve flaps and are used to position the multiple valve flaps, wherein the pressure plate is located between the multiple valve flaps and the drive disk, and a slide groove corresponding to the valve flaps is provided on the back plate, and a guide groove corresponding to and parallel to the slide groove is provided on the pressure plate, and a slider that can be slidably set on the slide groove and a follower pin that can move along the guide groove are provided on opposite sides of each valve flap. Under the action of the back plate and the pressure plate, the positioning of the multiple valve flaps is achieved, and at the same time, the cooperation of the slide groove and the slider, the follower pin and the guide groove forms the movement trajectory of the valve flap, thereby accurately completing the synchronous expansion or tightening of the multiple valve flaps, and realizing high-precision control of the flow rate.

[0013] Preferably, the plurality of slide grooves and the plurality of guide grooves are distributed in a regular polygon with the center of the fluid channel hole as the center; and when the valve plate opens the fluid channel, the plurality of valve flaps are spliced ​​to form a regular polygon with the center of the fluid channel hole as the center. This regular polygon that opens outward in the fluid channel can reduce the pressure loss of the fluid when passing through the fluid channel, and is more conducive to the smooth flow of the fluid.

[0014] Specifically, the sum of the angle formed between the first butt joint edge and the second butt joint edge of each valve flap and any inner vertex angle of the regular polygon is 180 degrees.

[0015] When the regular polygon is deformed into a regular hexagram, the angle formed between the first butt joint side and the second butt joint side is 60 degrees; when the regular polygon is deformed into a regular octahedral, the angle formed between the first butt joint side and the second butt joint side is 45 degrees.

[0016] According to another specific implementation and preferred aspect of the present invention, a fluid channel hole is formed in the middle of the driving disk, and a plurality of driving grooves corresponding to the slide grooves one by one and connected to the fluid channel holes of the driving disk are also provided on the driving disk, wherein each driving groove is arranged from the outer periphery of the fluid channel hole on the driving disk and extends radially along the fluid channel hole on the driving disk, and each follower pin is arranged to extend out from the guide groove of the pressure plate and the corresponding driving groove on the driving disk. When the driving disk rotates, the driving groove drives the follower pin to move along the length direction of the guide groove, and the follower pin is also arranged to move relative to the driving groove.

[0017] Preferably, an elastic member is provided between the pressure plate and the valve body, wherein there are multiple elastic members evenly distributed around the circumference of the pressure plate. Under the elastic effect, the pressure of the rapid impact of water flow on the valve disc is relieved, the valve disc is prevented from getting stuck, and the service life of the valve is extended.

[0018] In addition, the regulating mechanism also includes an annular guide body fixedly arranged on opposite sides of the driving disk and arranged in the valve body so as to rotate with the driving disk, wherein a drainage hole connected to the core body is arranged on the annular guide body, so that the movement of the driving disk is more stable, and the inside of the valve can be cleaned through the drainage hole.

[0019] Preferably, the driving member comprises a connecting ear fixedly arranged on one side of the driving disk, and a driver driving the connecting ear to rotate clockwise or counterclockwise around the center of the fluid channel hole on the driving disk.

[0020] Specifically, a waist hole extending radially along the fluid channel is formed on the connecting ear, and the driver includes a lever inserted into the waist hole and a moving component driving the lever to move horizontally along a direction perpendicular to the length of the fluid channel.

[0021] In this example, the moving component includes a screw rod extending horizontally and perpendicular to the length direction of the fluid channel; a nut seat cooperating with the screw rod; a guide rod arranged parallel to the screw rod; an upper connecting sleeve with one end fixed on the nut seat and the other end slidably connected to the guide rod; and a motor driving the screw rod to rotate around its own axis, wherein the nut seat moves horizontally under the rotation of the screw rod and the shift rod is fixed on the nut seat.

[0022] Preferably, connecting flanges are respectively provided at both ends of the valve body.

[0023] Due to the implementation of the above technical solution, the present invention has the following advantages compared with the prior art:

[0024] The present invention adopts a setting of multiple synchronously moving valve flaps, which can not only realize precise control of fluid flow, but also has a long service life and stable operation. At the same time, when the valve flap is opened, it expands outward from the center of the fluid channel. After the fluid passes through the valve flap throttling, a symmetrical turbulent area is formed in the rear area. Combined with the guide tube of the Venturi structure, it is beneficial to the precise control of the pressure and flow of the fluid, thereby achieving energy-saving effects. In addition, during the movement of the valve flap, the attachments on the surface of the valve flap can be scraped off to achieve self-cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation modes.

[0026] Figure 1 It is a front view schematic diagram of the valve of the present invention;

[0027] Figure 2 for Figure 1 Schematic diagram of the right side of the local structure;

[0028] Figure 3 for Figure 1 A schematic diagram of the main view of a single valve disc;

[0029] Figure 4 for Figure 3 A right side schematic diagram of

[0030] Figure 5 for Figure 1 A right side view schematic diagram of a valve plate composed of multiple valve discs;

[0031] Figure 6 for Figure 1 Schematic diagram of the right side of the middle back plate;

[0032] Figure 7 for Figure 1 Schematic diagram of the right side of the medium pressure board;

[0033] Figure 8 for Figure 1 A schematic diagram of the right side of the middle drive plate;

[0034] Fig. 9 It is a schematic diagram of the motion state of multiple valve flaps and back plates of the present invention (50% closed state);

[0035] Fig.10 It is a schematic diagram of the motion state of multiple valve flaps and back plates of the present invention (100% closed state);

[0036] Fig.11 It is a schematic diagram of the motion state of multiple valve flaps and back plates of the present invention (100% open state);

[0037] Among them: 1. Valve body;

[0038] 2. valve core; 20. core body; 21. valve plate; 210. valve disc; a1. first butt joint edge; a2. second butt joint edge; a3. slider; a4. follower pin; 22. back plate; 220. slide groove; 23. pressure plate; 230. guide groove;

[0039] 3. Adjustment mechanism; 30. Drive plate; 30a. Drive groove; 31. Drive member; 310. Connecting ear; b. Waist hole; 311. Driver; c. Push rod; d. Moving assembly; d1. Screw rod; d2. Nut seat; d3. Guide rod; d4. Connecting sleeve; 32. Annular guide body; 320. Drain hole;

[0040] 4. Connecting flange. DETAILED DESCRIPTION

[0041] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0042] In the description of the present application, 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", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0044] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0045] In the present application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0046] like Figure 1 As shown, the multi-valve flap type regulating valve involved in this embodiment includes a valve body 1, a valve core 2, a regulating mechanism 3, and connecting flanges 4 arranged at both ends of the valve body 1.

[0047] Combination Figure 2 As shown, the valve core 2 includes a core body 20 arranged inside the valve body 1 and forming a fluid channel; a valve plate 21 arranged on the core body 20 and intercepted in the fluid channel; a back plate 22 and a pressure plate 23 forming fluid channel holes and distributed on opposite sides of multiple valve flaps 210 for positioning the multiple valve flaps 210.

[0048] The valve plate 21 includes a plurality of valve flaps 210 distributed around the center of the fluid channel, and each two adjacent valve flaps 210 are arranged in linkage.

[0049] Combination Figure 3 and Figure 4As shown, in this example, there are 6 valve flaps 210, each valve flap 210 has the same structure and has a first butt joint edge a1 and a second butt joint edge a2, and each adjacent two valve flaps 210 are slidably connected from the first butt joint edge a1 of one valve flap 210 to the second butt joint edge a2 of the other valve flap 210 to form a linkage match. In this way, not only the strength of the valve plate is guaranteed, but also the synchronous tightening or unfolding movement of multiple valve flaps is more convenient.

[0050] Combination Figure 5 As shown, in this example, each two adjacent valve flaps 210 are engaged with each other using a tongue-and-groove structure, and the tongue can be slidably arranged relative to the groove.

[0051] When the valve plate 21 opens the fluid channel, multiple valve flaps 210 are spliced ​​to form a regular hexagon with the center of the fluid channel hole as the center. This regular hexagon that opens outward from the fluid channel can reduce the pressure loss of the fluid when passing through the fluid channel, which is more conducive to the smooth flow of the fluid.

[0052] Specifically, the angle formed between the first butting edge a1 and the second butting edge a2 is 60 degrees.

[0053] Combination Figure 6 As shown, the back plate 22 is provided with a slide groove 220 corresponding to the valve flap 210 one by one, wherein there are 6 slide grooves 220, and each two adjacent slide grooves 220 are arranged to intersect and form a regular hexagonal deformation. In other words, the 6 slide grooves 220 are respectively extended along the six sides of the regular hexagon, and the center of the regular hexagonal deformation coincides with the center of the fluid channel.

[0054] Combination Figure 7 As shown, a guide groove 230 is provided on the pressure plate 23, which is arranged one-to-one with the slide groove 220 and is parallel to the guide groove 220, and a slider a3 that can be slidably arranged on the slide groove 220 and a follower pin a4 that can move along the guide groove 230 are provided on opposite sides of each valve flap 210. Therefore, under the action of the back plate 22 and the pressure plate 23, the positioning of multiple valve flaps 210 is achieved, and the movement trajectory of the valve flap 210 is formed by the cooperation of the slide groove 220 and the slider a3, and the follower pin a4 and the guide groove 230, thereby accurately completing the synchronous expansion or tightening of multiple valve flaps 210, and realizing high-precision control of the flow rate.

[0055] In this example, the regulating mechanism 3 is used to drive the valve plate 21 to open or close the fluid channel, and includes a driving disk 30 connected to each valve disc 210 and formed with a fluid channel hole constituting the fluid channel, and a driving member 31 driving the driving disk 30 to rotate clockwise or counterclockwise around the center of the fluid channel hole, and an annular guide body 32 fixed on opposite sides of the driving disk 30 and capable of rotating with the driving disk 30 and arranged in the valve body 1, wherein when the driving disk 30 rotates clockwise or counterclockwise, the multiple valve discs 210 synchronously tighten toward the center of the fluid channel and close the fluid channel, or synchronously expand outward from the center of the fluid channel to the fluid channel and open the fluid channel.

[0056] The annular guide body 32 is provided with a drain hole 320 which is connected to the core body 1. The drain hole 320 can be used to clean the inside of the valve.

[0057] Specifically, there are a plurality of drain holes 320 , which are evenly spaced and distributed around the circumference of the annular guide body 32 .

[0058] In this example, the annular guide body 32 also has the function of limiting the shaking of the driving disc 30 in the axial direction, so that the movement of the driving disc 30 is more stable.

[0059] Combination Figure 8 As shown, a fluid channel hole is formed in the middle of the driving disk 30, and a plurality of driving grooves 30a corresponding to the slide grooves 220 and connected to the fluid channel holes of the driving disk are also provided on the driving disk 30, wherein each driving groove 30a is extended from the outer periphery of the fluid channel hole on the driving disk and along the radial direction of the fluid channel hole on the driving disk, and each follower pin a4 is arranged to pass through the guide groove 230 of the pressure plate 23 and the corresponding driving groove 30a on the driving disk 30. When the driving disk 30 rotates, the driving groove 30a drives the follower pin a4 to move along the length direction of the guide groove 230, and the follower pin a4 is also arranged to move relative to the driving groove 30a.

[0060] The driving member 31 includes a connecting ear 310 fixedly arranged on one side of the driving disk 30 and a driver 311 driving the connecting ear 310 to rotate clockwise or counterclockwise around the center of the fluid channel hole on the driving disk.

[0061] Specifically, a waist hole b extending radially along the fluid channel is formed on the connecting ear 310, and the driver 311 includes a lever c inserted into the waist hole b and a moving component d driving the lever c to move horizontally and perpendicular to the length direction of the fluid channel.

[0062] In this example, the moving component d includes a screw rod d1 extending horizontally and perpendicular to the length direction of the fluid channel; a nut seat d2 cooperating with the screw rod d1; a guide rod d3 arranged parallel to the screw rod d1; an upper connecting sleeve d4 with one end fixed on the nut seat d2 and the other end slidably connected to the guide rod d3; and a motor or handwheel (not shown in the figure, but it is not difficult to imagine) that drives the screw rod d2 to rotate around its own axis. When the screw rod d2 rotates, the nut seat d2 moves horizontally, and the shift rod c is fixed on the nut seat d2.

[0063] In addition, an elastic member (i.e., a spring, not shown in the figure but easy to imagine) is provided between the pressure plate 23 and the valve body 1, wherein there are multiple elastic members evenly distributed around the circumference of the pressure plate. Under the action of elasticity, the pressure of the rapid impact of water flow on the valve disc is relieved, thereby extending the service life of the valve.

[0064] In summary, the implementation process of this embodiment is as follows:

[0065] exist Figure 1 In the embodiment, the screw rod d1 is driven manually or by a motor to rotate clockwise around its own axis, the nut seat d2 and the lever c move horizontally to the right, the driving plate 30 rotates clockwise, the driving groove 30a drives the follower pin a4 to move along the length direction of the guide groove 230, and the follower pin a4 is also moved relative to the driving groove 30a. At the same time, the slider a3 also moves in the corresponding slide groove 220, and the multiple valve flaps 210 are synchronously tightened toward the center of the fluid channel and the fluid channel is closed. Fig. 9 As shown, the fluid channel is in a 50% closed state and is a regular hexagon; Fig.10 As shown, the fluid channel is in a 100% closed state at this time.

[0066] Similarly, when the valve is 100% closed, the drive disk 30 is driven to rotate counterclockwise, and the multiple valve flaps 210 are synchronously moved outward from the center of the fluid channel to open the fluid channel. Fig.11 As shown, the fluid channel is in a 100% open state at this time, and the fluid channel is inscribed in the regular hexagon.

[0067] Therefore, this embodiment adopts a design of multiple synchronously moving valve flaps, and the valve flaps are mutually guided (linked). Under the positioning of the back plate and the pressure plate, the valve flaps can also play a scraping role during the movement, which is suitable for the control of non-clean fluids and is not easy to get stuck or damaged. At the same time, during the operation of the valve flap, whether from the inside to the outside or from the outside to the inside, the fluid forms a symmetrical turbulent area in the rear area after passing through the valve flap throttling, and the pressure loss of the fluid in the pipeline is low. After the fluid flows through the valve, it is conducive to the recovery of the fluid pressure. Then, with the guide tube of the Venturi structure, it is conducive to the precise control of the pressure and flow of the fluid, thereby achieving the effect of energy saving.

[0068] In addition, the regulating valve in this example is different from ordinary valves. Since the valve plate is perpendicular to the pipeline when the valve is opened and closed and has a polygonal design, it overcomes the problem that the butterfly valve cannot control the flow in the front stroke. The controllable range is between 10%-80%, and the adjustable ratio is large. At the same time, it responds quickly, has low hysteresis, and can achieve high-precision control.

[0069] The present invention has been described in detail above, but the present invention is not limited to the above embodiments. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-valve flap type regulating valve, comprising: Valve body; A valve core, comprising a core body disposed inside the valve body and forming a fluid passage, and a valve plate disposed on the core body and intercepted in the fluid passage; an adjusting mechanism, which is used to drive the valve plate to open or close the fluid channel, Features: The valve plate comprises a plurality of valve flaps distributed with the center of the fluid channel as the center of a circle, wherein each two adjacent valve flaps are arranged in linkage, and the regulating mechanism comprises a driving disk connected to each valve flap and formed with a fluid channel hole constituting the fluid channel, and a driving member driving the driving disk to rotate clockwise or counterclockwise around the center of the fluid channel hole, wherein when the driving disk rotates clockwise or counterclockwise, the plurality of valve flaps synchronously tighten toward the center of the fluid channel step by step and close the fluid channel, or synchronously expand outward from the center of the fluid channel step by step and open the fluid channel; Each of the valve flaps has the same structure and has a first butt joint edge and a second butt joint edge respectively. Each of the two adjacent valve flaps is slidably connected from the first butt joint edge of one valve flap to the second butt joint edge of the other valve flap to form a linkage fit; A back plate and a pressure plate are also provided in the valve core, which form a fluid channel hole and are distributed on opposite sides of the plurality of valve flaps and are used to position the plurality of valve flaps, wherein the pressure plate is located between the plurality of valve flaps and the driving disk, and a slide groove corresponding to the valve flaps one by one is provided on the back plate, and a guide groove corresponding to and parallel to the slide groove is provided on the pressure plate, and a slider slidably arranged on the slide groove and a follower pin capable of moving along the guide groove are respectively provided on opposite sides of each valve flap; the plurality of slide grooves and the plurality of guide grooves are respectively distributed in the form of a regular polygon with the center of the fluid channel hole as the center; the sum of the angle formed between the first butt joint side and the second butt joint side of each valve flap and any inner vertex angle of the regular polygon is 180 degrees; The regulating mechanism also includes an annular guide body fixedly arranged at opposite sides of the driving disk and rotatably arranged in the valve body along with the driving disk, wherein a drainage hole communicating with the core body is arranged on the annular guide body.

2. The multi-valve flap type regulating valve according to claim 1, characterized in that: When the valve plate opens the fluid channel, a plurality of valve flaps are spliced ​​together to form a regular polygon with the center of the fluid channel hole as the center.

3. The multi-valve flap type regulating valve according to claim 1, characterized in that: The fluid channel hole is formed in the middle of the driving disk, and a plurality of driving grooves corresponding to the slide grooves and connected to the fluid channel hole of the driving disk are also provided on the driving disk, wherein each of the driving grooves is extended from the outer periphery of the fluid channel hole on the driving disk and along the radial direction of the fluid channel hole on the driving disk, and each of the follower pins is extended from the guide groove of the pressure plate and the corresponding drive groove on the driving disk. When the driving disk rotates, the drive groove drives the follower pin to move along the length direction of the guide groove, and the follower pin is also moved relative to the drive groove.

4. The multi-valve flap type regulating valve according to claim 1, characterized in that: An elastic member is also provided between the pressure plate and the valve body, wherein there are a plurality of elastic members which are evenly distributed around the circumference of the pressure plate.

5. The multi-valve flap type regulating valve according to claim 1, characterized in that: The driving member comprises a connecting ear fixedly arranged on one side of the driving disk, and a driver driving the connecting ear to rotate clockwise or counterclockwise around the center of the fluid channel hole on the driving disk.

6. The multi-valve flap type regulating valve according to claim 5, characterized in that: A waist hole extending radially along the fluid channel is formed on the connecting ear, and the driver includes a lever inserted into the waist hole and a moving component driving the lever to move horizontally along a direction perpendicular to the length of the fluid channel.

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