CN211344049U - Multi-valve flap type regulating valve - Google Patents

Abstract

The utility model discloses a multi-valve flap type regulating valve, which comprises a valve body; the valve core comprises a core body and a valve plate, wherein the valve plate comprises a plurality of valve clacks; and the adjusting mechanism comprises a driving disc and a driving piece, wherein under the clockwise and anticlockwise rotation of the driving disc, the valve clacks synchronously and gradually tighten to the center of the fluid channel and close the fluid channel or synchronously and gradually expand outwards from the center of the fluid channel to the fluid channel and open the fluid channel. The utility model discloses a polylith synchronous motion's valve clack setting, not only can realize fluid flow's accurate control, and long service life, the function is steady, simultaneously when the valve clack is opened, use the fluid passage center to expand for outside week, the fluid forms the turbulent flow region of symmetry in region at back after the valve clack throttle, the honeycomb duct of cooperation venturi structure, be favorable to fluidic pressure and the accurate control of flow, thereby reach energy-conserving effect, in addition, in the valve clack motion, can strike off valve clack surface attachment, realize the automatically cleaning.

Description

Multi-valve flap type regulating valve

Technical Field

The utility model belongs to the valve field, concretely relates to many valves lamella formula governing valve.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, butterfly valves, and the like.

At present, the flow or pressure adjusting devices in the market mainly include butterfly valves, V-shaped ball valves or V-shaped gate valves (gate valves), diamond valves, stop valves, and the like. The butterfly valve is simple in structure, is commonly used in a rough control system, and has the characteristics that the butterfly valve cannot control flow at small opening and large opening, and the control range of the butterfly valve is 30-60%, so that large-range control is difficult to realize.

Therefore, no matter the butterfly valve (the valve flap is arranged in the middle of the pipeline, uneven turbulence phenomenon can be generated after the fluid passes through the valve flap, the pressure fluctuation of the controlled fluid is large, and precise stable control is difficult to realize), the V-shaped ball valve or the V-shaped gate valve (uneven turbulence phenomenon can be generated because the fluid is subjected to unbalanced throttling in the pipeline), although the stop-type regulating valve can not generate obvious turbulence, the pressure drop of the system is larger because the fluid needs to be changed through twice flow channels, and the energy conservation is not facilitated.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a modified many valves lamella formula governing valve.

For solving the technical problem, the utility model discloses take following technical scheme:

a multi-clack regulator valve comprising:

a valve body;

the valve core comprises a core body which is arranged in the valve body and is provided with a fluid channel, and a valve plate which is arranged on the core body and is intercepted in the fluid channel, wherein the valve plate comprises a plurality of valve clacks which are distributed by taking the center of the fluid channel as the circle center, every two adjacent valve clacks are arranged in a linkage way,

and an adjusting mechanism for driving the valve plate to open or close the fluid passage, the adjusting mechanism comprising a driving disk connected to each valve flap and formed with a fluid passage hole constituting the fluid passage, and a driving member for driving the driving disk to rotate clockwise and counterclockwise around the center of the fluid passage hole, wherein under the clockwise rotation of the driving disk, the valve flaps synchronously move in a stepwise tightening manner toward the center of the fluid passage and close the fluid passage or synchronously move in a stepwise expanding manner from the center of the fluid passage toward the fluid passage and open the fluid passage.

Preferably, each valve clack has the same structure and is provided with a first butt joint edge and a second butt joint edge respectively, and every two adjacent valve clacks are connected in a sliding mode from the first butt joint edge of one valve clack to the second butt joint edge of the other valve clack respectively to form linkage matching. Therefore, the strength of the valve plate is ensured, and the synchronous tightening or unfolding movement of the valve clacks is more convenient to implement.

According to the utility model discloses a concrete implementation and preferred aspect, still be equipped with in the case and form the fluid passage hole and distribute in polylith valve clack both sides relatively, a backplate and clamp plate for fixing a position polylith valve clack, wherein the clamp plate is located between polylith valve clack and the driving-disc, and be equipped with the spout with the valve clack one-to-one on the backplate, be equipped with the guide way that sets up and parallel with the spout one-to-one on the clamp plate, the relative both sides of every valve clack are equipped with respectively and can slide the slider that sets up on the spout and can be along the follow-up round pin. Under the effect of backplate and clamp plate, realize the location of polylith valve clack, form the valve clack orbit of motion by the cooperation of spout and slider, follow-up round pin axle and guide way simultaneously, and then accomplish polylith valve clack and expand or tighten up in step accurately, realize the high accuracy control of flow.

Preferably, the sliding grooves and the guide grooves are respectively distributed in a regular polygon shape by taking the circle center of the fluid channel hole as the center; and when the valve plate opens the fluid channel, the valve clacks are spliced to form a regular polygon with the center of the fluid channel hole as the center. The regular polygon which is outwards opened in the fluid channel can reduce the pressure loss when the fluid passes through the fluid channel, and is more beneficial to the smooth circulation of the fluid.

Specifically, the sum of the angle formed between the first butt joint edge and the second butt joint edge of each valve flap and the internal vertex angle of any one of the regular polygons is 180 degrees.

When the regular polygon is deformed into a regular hexagon, an angle formed between the first butt joint edge and the second butt joint edge is 60 degrees; when the regular polygon is deformed into a regular eight shape, an angle formed between the first butt joint edge and the second butt joint edge is 45 degrees.

According to the utility model discloses in still another concrete implementation and preferred aspect, the middle part of driving-disc is formed with the fluid passage hole, and still be equipped with on the driving-disc with the spout one-to-one and with a plurality of driving grooves that the fluid passage hole of driving-disc is linked together, wherein every driving groove sets up from the periphery of fluid passage hole on the driving-disc and along the radial extension in fluid passage hole on the driving-disc, every follow-up round pin axle is worn out the setting from the guide way of clamp plate and the driving-disc that corresponds on the driving-disc, when the driving-disc rotates, the follow-up round pin axle is stirred in the driving groove and is removed along guide way length direction, and follow-up round pin axle also.

Preferably, an elastic member is further arranged between the pressure plate and the valve body, wherein the elastic member is multiple and evenly distributed around the circumferential direction of the pressure plate. Under the elastic action, the pressure of water flow impacting the valve clack rapidly is relieved, the valve clack is prevented from being clamped, and the service life of the valve is prolonged.

In addition, the adjusting mechanism also comprises annular guide bodies which are fixedly arranged at the two opposite sides of the driving disc and can be arranged in the valve body along with the rotation of the driving disc, wherein the annular guide bodies are provided with sewage discharge holes communicated with the core body. Make the motion of driving-disc more stable, can clear up the valve inside through the blowoff hole simultaneously.

Preferably, the driving member comprises a connecting lug fixedly arranged on one side of the driving disk, and a driver for driving the connecting lug to rotate clockwise and anticlockwise around the center of the fluid passage hole on the driving disk.

Specifically, a waist hole extending along the radial direction of the fluid channel is formed on the connecting lug, and the driver comprises a deflector rod inserted into the waist hole and a moving assembly driving the deflector rod to move horizontally along the direction perpendicular to the length direction of the fluid channel.

In this example, the moving assembly includes a screw rod extending horizontally along a direction perpendicular to the length direction of the fluid passage; the nut seat is matched with the screw rod; the guide rod is arranged in parallel with the screw rod; one end part is fixed on the nut seat, and the other end part is connected with an upper connecting sleeve of the guide rod in a sliding way; and the motor drives the screw rod to rotate around the axis of the screw rod, the nut seat moves horizontally under the rotation of the screw rod, and the deflector rod is fixed on the nut seat.

Preferably, the valve body is further provided with connecting flanges at both ends thereof, respectively.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model discloses a polylith synchronous motion's valve clack setting, not only can realize fluid flow's accurate control, and long service life, the function is steady, simultaneously when the valve clack is opened, use the fluid passage center to expand for outside week, the fluid forms the turbulent flow region of symmetry in region at back after the valve clack throttle, the honeycomb duct of cooperation venturi structure, be favorable to fluidic pressure and the accurate control of flow, thereby reach energy-conserving effect, in addition, in the valve clack motion, can strike off valve clack surface attachment, realize the automatically cleaning.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic front view of the valve of the present invention;

FIG. 2 is a right-view schematic diagram of a portion of the structure of FIG. 1;

FIG. 3 is a schematic front view of a single flap of FIG. 1;

FIG. 4 is a schematic right-side view of FIG. 3;

FIG. 5 is a schematic right-side view of the valve plate of FIG. 1 with a plurality of valve flaps;

FIG. 6 is a right side view of the back plate of FIG. 1;

FIG. 7 is a schematic right view of the platen of FIG. 1;

FIG. 8 is a schematic right side view of the drive plate of FIG. 1;

FIG. 9 is a schematic view of the motion state of the multiple flaps and the back plate of the present invention (50% closed state);

FIG. 10 is a schematic view of the motion state of the multiple flaps and the back plate of the present invention (100% closed state);

FIG. 11 is a schematic view of the motion state of the multiple flaps and the back plate of the present invention (100% open state);

wherein: 1. a valve body;

2. a valve core; 20. a core body; 21. a valve plate; 210. a valve flap; a1, a first butt edge; a2, a second butt edge; a3, a slider; a4, a follow-up pin shaft; 22. a back plate; 220. a chute; 23. pressing a plate; 230. a guide groove;

3. an adjustment mechanism; 30. a drive disc; 30a, a driving groove; 31. a drive member; 310. connecting lugs; b. a waist hole; 311. a driver; c. a deflector rod; d. a moving assembly; d1, a screw rod; d2, nut seat; d3, guide bar; d4, connecting sleeves; 32. an annular guide body; 320. a sewage draining hole;

4. and connecting the flanges.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, the multi-flap type regulator valve according to the present embodiment includes a valve body 1, a valve body 2, a regulating mechanism 3, and connecting flanges 4 provided at both ends of the valve body 1.

As shown in fig. 2, the valve cartridge 2 includes a core 20 disposed inside the valve body 1 and formed with a fluid passage; a valve plate 21 disposed on the core 20 and intercepted in the fluid passage; a back plate 22 and a pressure plate 23 forming fluid passage holes and distributed on opposite sides of the plurality of valve flaps 210 for positioning the plurality of valve flaps 210.

The valve plate 21 includes a plurality of valve flaps 210 distributed around the center of the fluid passage, and every two adjacent valve flaps 210 are linked.

Referring to fig. 3 and 4, in this example, there are 6 valve flaps 210, each valve flap 210 has the same structure and has a first butt edge a1 and a second butt edge a2, and each two adjacent valve flaps 210 are slidably connected to the second butt edge a2 of another valve flap 210 from the first butt edge a1 of one valve flap 210 to form a linkage fit. Therefore, the strength of the valve plate is ensured, and the synchronous tightening or unfolding movement of the valve clacks is more convenient to implement.

As shown in fig. 5, in this example, two adjacent valve flaps 210 are engaged with each other by a tongue-and-groove structure, and the tongue can be slidably disposed relative to the groove.

When the valve plate 21 opens the fluid passage, the plurality of valve flaps 210 are joined to form a regular hexagon centered at the center of the fluid passage hole. The regular hexagon which is opened outwards in the fluid channel can reduce the pressure loss when the fluid passes through the fluid channel, and is more beneficial to the smooth circulation of the fluid.

Specifically, the angle formed between the first butt edge a1 and the second butt edge a2 is 60 degrees.

Referring to fig. 6, the back plate 22 is provided with 6 sliding grooves 220 corresponding to the valve flaps 210, and every two adjacent sliding grooves 220 intersect to form a regular-six deformation. That is, the 6 sliding grooves 220 extend along six sides of the regular hexagon, and the centers of the regular hexagon and the fluid channel coincide.

Referring to fig. 7, the pressing plate 23 is provided with guide grooves 230 corresponding to the sliding grooves 220 one by one and parallel to each other, and the opposite sides of each valve flap 210 are respectively provided with a slider a3 slidably disposed on the sliding groove 220 and a follower pin a4 movable along the guide grooves 230. Therefore, under the action of the back plate 22 and the pressing plate 23, the positioning of the valve flaps 210 is realized, and meanwhile, the motion trail of the valve flaps 210 is formed by the matching of the sliding grooves 220, the sliding blocks a3, the follow-up pin shafts a4 and the guide grooves 230, so that the synchronous unfolding or tightening of the valve flaps 210 is accurately completed, and the high-precision control of the flow is realized.

In this example, the adjusting mechanism 3 is used for driving the valve plate 21 to open or close the fluid passage, and includes a driving disk 30 connected to each valve flap 210 and formed with a fluid passage hole forming the fluid passage, a driving member 31 for driving the driving disk 30 to rotate clockwise and counterclockwise around the center of the fluid passage hole, and a ring-shaped guide 32 fixedly disposed on opposite sides of the driving disk 30 and capable of being disposed in the valve body 1 along with the rotation of the driving disk 30, wherein under the clockwise and counterclockwise rotation of the driving disk 30, the valve flaps 210 synchronously move toward the center of the fluid passage in a gradually tightening manner and close the fluid passage or move from the center of the fluid passage in a gradually expanding manner toward the fluid passage and open the fluid passage.

The annular guide body 32 is provided with a sewage hole 320 communicated with the core body 1. The interior of the valve can be cleaned through the drain hole 320.

Specifically, the drainage holes 320 are provided in plural numbers and are evenly spaced around the circumference of the ring-shaped guide body 32.

In this example, the annular guide body 32 also limits the axial play of the drive plate 30, so that the drive plate 30 is more stable in movement.

Referring to fig. 8, a fluid passage hole is formed in the middle of the driving disc 30, a plurality of driving grooves 30a corresponding to the sliding grooves 220 one by one and communicated with the fluid passage hole of the driving disc are further disposed on the driving disc 30, wherein each driving groove 30a extends from the periphery of the fluid passage hole on the driving disc and along the radial direction of the fluid passage hole on the driving disc, each follower pin a4 penetrates through the guide groove 230 of the pressing plate 23 and the corresponding driving groove 30a on the driving disc 30, when the driving disc 30 rotates, the driving groove 30a pulls the follower pin a4 to move along the length direction of the guide groove 230, and the follower pin a4 also moves relative to the driving groove 30 a.

The driving member 31 includes a coupling lug 310 fixedly disposed on one side of the driving disk 30, and a driver 311 for driving the coupling lug 310 to rotate clockwise and counterclockwise around the center of the fluid passage hole on the driving disk.

Specifically, a waist hole b extending along the radial direction of the fluid passage is formed in the engaging lug 310, and the driver 311 includes a rod c inserted into the waist hole b, and a moving member d for driving the rod c to move horizontally along the direction perpendicular to the length direction of the fluid passage.

In this example, the moving assembly d comprises a screw rod d1 extending horizontally and perpendicular to the length direction of the fluid channel; a nut seat d2 matched with the lead screw d 1; a guide rod d3 arranged in parallel with the lead screw d 1; an upper connecting sleeve d4 with one end fixed on the nut seat d2 and the other end connected with the guide rod d3 in a sliding way; and a motor or a handwheel (not shown in the figure, but not difficult to think) for driving the lead screw d2 to rotate around the axis thereof, wherein under the rotation of the lead screw d2, the nut seat d2 moves horizontally, and the deflector rod c is fixed on the nut seat d 2.

Furthermore, between the pressure plate 23 and the valve body 1, there are provided a plurality of elastic members (i.e., springs, not shown but not conceivable) uniformly distributed around the circumference of the pressure plate. Under the elastic action, the pressure of water flow impacting the valve clack rapidly is relieved, and the service life of the valve is prolonged.

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

in fig. 1, the lead screw d1 is driven by hand or a motor to rotate clockwise around its axis, the nut seat d2 and the shift lever c move horizontally and rightwards, the driving disc 30 rotates clockwise, the driving groove 30a shifts the follower pin a4 to move along the length direction of the guiding groove 230, the follower pin a4 also moves relative to the driving groove 30a, and the slider a3 also moves in the corresponding sliding groove 220, so as to synchronously tighten the valve flaps 210 gradually towards the center of the fluid channel and close the fluid channel, as shown in fig. 9, the fluid channel is in a 50% closed state and is in a regular hexagon shape; as shown in fig. 10, the fluid passage is now in a 100% closed state.

Similarly, when the valve disc 30 is driven to rotate counterclockwise at 100% closing, the plurality of valve flaps 210 simultaneously move outward from the center of the fluid channel to open the fluid channel, as shown in fig. 11, and the fluid channel is in a 100% opening state, and the fluid channel is internally tangent to the regular hexagon.

Therefore, this embodiment, adopt polylith synchronous motion's valve clack design, each valve clack is the direction (linkage) each other, under the location of backplate and clamp plate, make the valve clack play the scraping effect simultaneously in the motion process, be applicable to the control of non-clean fluid, also be difficult for the card to die or destroyed, simultaneously, the operation in-process of valve clack, no matter be from inside to outside or from outside to inside, fluid forms the turbulent region of symmetry in the region behind after the valve clack throttle back, fluid pressure loss is low in the pipeline, fluid is favorable to fluid pressure's recovery after flowing through the valve, then, cooperate the honeycomb duct of venturi structure, be favorable to the accurate control of fluidic pressure and flow, thereby reach energy-conserving effect.

In addition, the regulating valve in the embodiment is different from a common valve, and because the valve plate is perpendicular to the pipeline when the valve is opened and closed and is in a polygonal design, the problem that the flow cannot be controlled by a butterfly valve in the front-stage stroke is solved, the controllable range is 10-80%, and the adjustable ratio is large; meanwhile, the system has quick response and low hysteresis, and can realize high-precision control.

The present invention has been described in detail, but the present invention is not limited to the above-described embodiments. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. A multi-clack regulator valve comprising:

a valve body;

a valve spool including a core body disposed inside the valve body and formed with a fluid passage, a valve plate disposed on the core body and intercepted in the fluid passage;

an adjustment mechanism for actuating the valve plate to open or close the fluid passage,

the method is characterized in that:

the valve plate comprises a plurality of valve flaps which are distributed by taking the center of the fluid channel as a circle center, wherein every two adjacent valve flaps are arranged in a linkage manner, the adjusting mechanism comprises a driving disc which is connected with each valve flap and is provided with a fluid channel hole forming the fluid channel, and a driving piece which drives the driving disc to rotate clockwise and anticlockwise around the center of the fluid channel hole, and under the clockwise and anticlockwise rotation of the driving disc, the valve flaps synchronously and gradually tighten towards the center of the fluid channel and close the fluid channel or synchronously and gradually expand outwards from the center of the fluid channel to the fluid channel and open the fluid channel.

2. The multi-clack regulator valve according to claim 1, wherein: each valve clack has the same structure and is provided with a first butt joint edge and a second butt joint edge respectively, and every two adjacent valve clacks are connected with the second butt joint edge of the other valve clack in a sliding mode from the first butt joint edge of one valve clack to form linkage matching.

3. The multi-clack regulator valve according to claim 2, wherein: the valve core is also internally provided with a back plate and a pressure plate which form fluid passage holes and are distributed on two opposite sides of the valve clacks and are used for positioning the valve clacks, wherein the pressure plate is positioned between the valve clacks and the driving disc, the back plate is provided with sliding grooves which are in one-to-one correspondence with the valve clacks, the pressure plate is provided with guide grooves which are in one-to-one correspondence with the sliding grooves and are parallel to the sliding grooves, and two opposite sides of each valve clack are respectively provided with a sliding block which can be arranged on the sliding grooves in a sliding manner and a follow-up pin shaft which can move along the.

4. The multi-clack regulator valve according to claim 3, wherein: the sliding grooves and the guide grooves are respectively distributed in a regular polygon shape by taking the circle center of the fluid channel hole as the center; and when the valve plate opens the fluid channel, the valve clacks are spliced to form a regular polygon with the circle center of the fluid channel hole as the center.

5. The multi-clack regulator valve according to claim 4, wherein: the sum of the angle formed between the first butt joint edge and the second butt joint edge of each valve flap and any internal vertex angle of the regular polygon is 180 degrees.

6. The multi-clack regulator valve according to claim 3, wherein: the fluid channel hole is formed in the middle of the driving disc, a plurality of driving grooves which are in one-to-one correspondence with the sliding grooves and communicated with the fluid channel hole of the driving disc are further formed in the driving disc, each driving groove extends from the periphery of the fluid channel hole in the driving disc and along the radial direction of the fluid channel hole in the driving disc, each follow-up pin shaft penetrates out of the guide groove of the pressing plate and the corresponding driving groove in the driving disc, when the driving disc rotates, the driving grooves shift the follow-up pin shafts to move along the length direction of the guide grooves, and the follow-up pin shafts are also arranged in a moving mode relative to the driving grooves.

7. The multi-clack regulator valve according to claim 3, wherein: and elastic pieces are arranged between the pressure plate and the valve body, wherein the elastic pieces are multiple and are uniformly distributed around the circumferential direction of the pressure plate.

8. The multi-clack regulator valve according to claim 1, wherein: the adjusting mechanism further comprises annular guide bodies which are fixedly arranged on the two opposite sides of the driving disc and can be arranged in the valve body along with the driving disc in a rotating mode, wherein the annular guide bodies are provided with sewage draining holes communicated with the core body.

9. The multi-clack regulator valve according to claim 1, wherein: the driving piece comprises a connecting lug fixedly arranged on one side of the driving disc and a driver for driving the connecting lug to rotate clockwise and anticlockwise around the center of the fluid channel hole in the driving disc.

10. The multi-clack regulator valve according to claim 9, wherein: the connecting lug is provided with a waist hole extending along the radial direction of the fluid channel, and the driver comprises a deflector rod inserted into the waist hole and a moving component driving the deflector rod to move horizontally along the direction vertical to the length direction of the fluid channel.

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