CN212429878U - Dynamic flow balance valve - Google Patents
Dynamic flow balance valve Download PDFInfo
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- CN212429878U CN212429878U CN202020923543.1U CN202020923543U CN212429878U CN 212429878 U CN212429878 U CN 212429878U CN 202020923543 U CN202020923543 U CN 202020923543U CN 212429878 U CN212429878 U CN 212429878U
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Abstract
The utility model relates to a flow control valve technical field discloses dynamic flow balance valve, include: a valve body and a valve core assembly; the valve core assembly comprises a guide sleeve, a limiting sleeve and a valve core which are coaxially arranged; a water inlet communicated with the water inlet end is formed in one side end of the guide sleeve, a flow-adjustable hole and a flow-fixing hole are sequentially formed in the outer wall of the guide sleeve along the water flow direction, and a water outlet communicated with the water outlet end is formed in one side end of the limiting sleeve; the limiting sleeve fixedly connected with the inner wall of the valve body is fixedly sleeved at the other side end part of the guide sleeve; the fixed flow hole is communicated with the water outlet, the valve core capable of sliding back and forth is sleeved on the guide sleeve, and the flow area of the adjustable flow hole is changed by the sliding of the valve core, so that the adjustable flow hole is communicated with or disconnected from the water outlet. The dynamic flow balance valve provided by the utility model has the advantages that the valve core, the guide sleeve and the limit sleeve are not easy to be blocked, and the stability is strong; the resistance coefficients of the adjustable flow hole and the fixed flow hole are small, and the noise is low.
Description
Technical Field
The utility model relates to a flow control valve technical field especially relates to a dynamic flow balance valve.
Background
With the rapid development and progress of the valve technical level, the application of the dynamic flow balance valve in the ship valve pipeline system is gradually increased to ensure the stability of the pipeline system, and the dynamic flow balance valve is mainly used for solving the problem of dynamic hydraulic imbalance.
At present, foreign dynamic flow balance valves are generally assembled in an integrated manner, and the dynamic flow balance valves are inconvenient to overhaul, maintain and clean at the later stage, and cause the reduction of control precision and the increase of energy consumption after long-term operation; the dynamic flow balance valve produced by domestic manufacturers generally has high initial working pressure, low flow precision, the same problems in later-stage overhaul, maintenance and cleaning and poor reliability.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a dynamic flow balance valve for solve or partially solve the relatively poor problem of current dynamic flow balance valve reliability.
An embodiment of the utility model provides a dynamic flow balance valve, include: the valve comprises a valve body and a valve core assembly arranged inside the valve body;
the valve core assembly comprises a guide sleeve, a limiting sleeve and a valve core in a sleeve structure, wherein the guide sleeve and the limiting sleeve are coaxially arranged; a water inlet communicated with the water inlet end is formed in one side end of the guide sleeve, a flow-adjustable hole and a flow-fixed hole are sequentially formed in the outer wall of the guide sleeve along the water flow direction, and a water outlet communicated with the water outlet end is formed in one side end of the limiting sleeve;
the limiting sleeve fixedly connected with the inner wall of the valve body is fixedly sleeved at the end part at the other end of the guide sleeve; the fixed flow hole is communicated with the water outlet, the valve core capable of sliding back and forth is sleeved on the outer wall of the guide sleeve, and the flow area of the adjustable flow hole is changed through the sliding of the valve core, so that the adjustable flow hole is communicated with or disconnected from the water outlet.
On the basis of the technical scheme, the end part of the valve core is detachably connected with the end part of the other side of the limiting sleeve.
On the basis of the technical scheme, the dynamic flow balance valve further comprises an elastic part sleeved on the guide sleeve;
one end of the elastic piece is connected with the end part of the valve core, and the other end of the elastic piece is connected with the end part of one side of the limiting sleeve.
On the basis of the technical scheme, the dynamic flow balance valve further comprises a limiting piece fixedly connected with the inner wall of the valve body, and the end part of the valve core is detachably connected with the limiting piece.
On the basis of the technical scheme, the valve body is a hollow Y-shaped cylinder.
On the basis of the technical scheme, the fixed flow hole is a rectangular hole, and the axially symmetrical adjustable flow hole is formed by communicating two gradually-changed holes with gradually-reduced flow areas along the water flow direction.
On the basis of the technical scheme, the fixed flow hole comprises a rectangular hole and a circular hole which are sequentially arranged along the water flow direction; the axisymmetric adjustable flow hole is formed by communicating two gradually-changed holes with gradually-reduced flow area along the water flow direction.
On the basis of the technical scheme, the fixed flow hole comprises a plurality of circular holes arranged along the circumferential direction of the guide sleeve, the axially symmetric adjustable flow hole is formed by communicating a rectangular hole and two gradually-changed holes with gradually-reduced flow areas along the water flow direction, and the rectangular hole is arranged close to the circular holes.
On the basis of the technical scheme, the fixed flow holes comprise two groups of circular holes which are sequentially arranged along the water flow direction; the group of circular holes are sequentially arranged along the circumferential direction of the guide sleeve, and the diameters of two adjacent circular holes are different; the axisymmetric adjustable flow hole is formed by communicating two gradually-changed holes with gradually-reduced flow area along the water flow direction.
On the basis of the technical scheme, the fixed flow holes comprise two groups of circular holes which are sequentially arranged along the water flow direction; the group of circular holes are sequentially arranged along the circumferential direction of the guide sleeve, and the diameters of two adjacent circular holes are different; the adjustable flow holes which are axisymmetric are formed by communicating four gradual change holes with gradually reduced flow area along the water flow direction, the flow area of two adjacent gradual change holes is different, and the flow area of two symmetrical gradual change holes is the same.
In the dynamic flow balance valve provided by the embodiment of the utility model, water flows in from the water inlet end of the valve body, enters the inside of the guide sleeve from the water inlet on the guide sleeve, flows out from the flow-adjustable hole and the flow-fixed hole, and then reaches the water outlet end through the water outlet on the limiting sleeve; when the actual pressure difference is lower than the minimum starting pressure difference, the valve core is in a static state, namely the flow regulating hole is in a maximum flow area state; when the actual differential pressure exceeds the minimum starting differential pressure, the valve core slides along the direction of the water flow within the preset differential pressure range along with the increase of the differential pressure value to slowly shield the flow-adjustable hole, and the flow area of the flow-adjustable hole is gradually reduced at the moment to maintain the constant flow. The dynamic flow balance valve provided by the embodiment of the utility model has the advantages that the valve core, the guide sleeve and the limit sleeve are not easy to be blocked, the guidance performance is good, and the stability is strong; the resistance coefficients of the adjustable flow hole and the fixed flow hole are small, and the generated noise is small.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a dynamic flow balance valve according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a flow adjustable hole and a fixed flow hole according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of another adjustable flow orifice and a fixed flow orifice according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of another adjustable flow orifice and a fixed flow orifice according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of another adjustable flow orifice and a fixed flow orifice according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of another adjustable flow orifice and a fixed flow orifice according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of another adjustable flow orifice and a fixed flow orifice according to an embodiment of the present invention;
fig. 8 is a schematic structural view of another adjustable flow orifice and a fixed flow orifice according to an embodiment of the present invention.
Reference numerals:
1. a valve core; 2. a guide sleeve; 3. a limiting sleeve; 4. a limiting member; 5. a flow adjustable orifice; 6. a fixed flow orifice.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
At present, the control precision of dynamic flow balance valves proposed by various enterprises at home and abroad is still low in the application process, the flow control precision of a plurality of dynamic flow balance valves still cannot reach +/-5%, and the low control precision directly causes the waste of energy consumption, so that the control precision of the dynamic flow balance valves needs to be improved firstly when the dynamic flow balance valves are perfected; in the working process of various existing dynamic flow balance valves, the initial pressure difference of a fluid inlet generally exceeds a preset pressure difference, and the dynamic flow balance valve can start to work, so that the adjusting range of the dynamic flow balance valve is reduced, and the preset precision requirement cannot be met; in the working process of the dynamic flow balance valve, when the maximum working pressure difference is about to be reached or is reached, the throttling is serious, so the vibration can be generated, the valve core assembly of the dynamic flow balance valve vibrates, the fluid is enabled to change irregularly frequently, and the stability of the dynamic flow balance valve can be seriously influenced by the vibration.
For this reason, fig. 1 is the utility model discloses a dynamic flow balance valve's of embodiment structural schematic diagram, as shown in fig. 1, the utility model discloses a dynamic flow balance valve, include: the valve comprises a valve body and a valve core assembly arranged inside the valve body;
the valve core assembly comprises a guide sleeve 2, a limiting sleeve 3 and a valve core 1 in a sleeve structure, wherein the guide sleeve 2, the limiting sleeve 3 and the valve core 1 are coaxially arranged; a water inlet communicated with the water inlet end is formed in one side end of the guide sleeve 2, an adjustable flow hole 5 and a fixed flow hole 6 are sequentially formed in the outer wall of the guide sleeve 2 along the water flow direction, and a water outlet communicated with the water outlet end is formed in one side end of the limiting sleeve 3;
a limiting sleeve 3 fixedly connected with the inner wall of the valve body is fixedly sleeved at the end part at the other end of the guide sleeve 2; the fixed flow hole 6 is communicated with the water outlet, the valve core 1 capable of sliding back and forth is sleeved on the outer wall of the guide sleeve 2, and the flow area of the adjustable flow hole 5 is changed by the sliding of the valve core 1, so that the adjustable flow hole 5 is communicated with or disconnected from the water outlet.
Note that the outer wall of the guide sleeve 2 is provided with a variable flow rate orifice 5 and a fixed flow rate orifice 6 in this order in the axial direction of the guide sleeve 2, that is, in the water flow direction, and the flow area of the variable flow rate orifice 5 is gradually reduced in the water flow direction.
It will be appreciated that the fixed flow orifice 6 is always in communication with the outlet, i.e. the fixed flow orifice 6 is always in communication with the outlet end. In the initial state, the adjustable flow hole 5 and the fixed flow hole 6 are both communicated with the water outlet; during the switching state, the valve element 1 slides in the direction of the water flow driven by the pressure provided by the water, at which time the flow area of the adjustable flow orifice 5 gradually decreases.
In the embodiment of the utility model, the water flow flows in from the water inlet end of the valve body, enters the interior of the guide sleeve 2 from the water inlet on the guide sleeve 2, flows out from the adjustable flow hole 5 and the fixed flow hole 6, and then reaches the water outlet end through the water outlet on the limiting sleeve 3; when the actual pressure difference is lower than the minimum starting pressure difference, the valve core 1 is in a static state, namely the adjustable flow hole 5 is in a maximum flow area state; when the actual differential pressure exceeds the minimum starting differential pressure, as long as the differential pressure value is increased within the preset differential pressure range, the valve core 1 slides along the water flow direction to slowly shield the adjustable flow hole 5, and at the moment, the flow area of the adjustable flow hole 5 is gradually reduced to maintain the constant flow. The dynamic flow balance valve provided by the embodiment of the utility model has the advantages that the valve core 1, the guide sleeve 2 and the limit sleeve 3 are not easy to be blocked, the guidance performance is good, and the stability is strong; the resistance coefficients of the adjustable flow rate orifice 5 and the fixed flow rate orifice 6 are small, and the generated noise is small.
In addition to the above embodiments, the end of the valve body 1 is detachably connected to the other end of the stopper sleeve 3.
In the embodiment of the utility model, one side end of the limiting sleeve 3 is a circular water outlet, and the other side end of the limiting sleeve 3 is open; one side tip of guide sleeve is uncovered setting, and one side tip of guide sleeve 2 can regard as the water inlet, and one side tip of guide sleeve 2 is fixed at spacing sleeve 3, and another side tip of guide sleeve 2 is located same horizontal plane with spacing sleeve 3's a side tip promptly. Wherein, the distance between the central axis of the water outlet and the central axis of the limiting sleeve 3 is larger than the outer diameter of the guide sleeve 2.
It can be understood that the valve core 1 can be divided into a plurality of cases according to the size relationship between the outer diameter of the valve core 1 and the inner diameter of the limiting sleeve 3. The first method comprises the following steps: when the outer diameter of the valve core 1 is smaller than the inner diameter of the limiting sleeve 3, the valve core 1 can enter the limiting sleeve 3 from the end part of the other side of the limiting sleeve 3 when sliding on the outer wall of the guide sleeve 2 along the water flow direction, at this time, it is required to ensure that the fixed flow hole 6 is not shielded by the sliding of the valve core 1, and at this time, the positions of the adjustable flow hole 5 and the fixed flow hole 6 can be both positioned in the limiting sleeve 3;
and the second method comprises the following steps: the size of the valve core 1 is the same as that of the limiting sleeve 3, namely the valve core 1 cannot enter the limiting sleeve 3, at the moment, the sliding of the valve core 1 needs to be ensured not to shield the fixed flow hole 6, at the moment, the position of the fixed flow hole 6 can be positioned in the limiting sleeve 3, and the position of the adjustable flow hole 5 needs to be positioned outside the limiting sleeve 3; projections are formed on both side end portions of the spool 1 in a direction toward the guide sleeve 2.
And the third is that: when the inner diameter of the valve core 1 is larger than the outer diameter of the limiting sleeve 3, namely the valve core 1 cannot enter the limiting sleeve 3, the fixed flow hole 6 cannot be shielded by the sliding of the valve core 1, the fixed flow hole 6 can be positioned inside the limiting sleeve 3 or outside the limiting sleeve 3, and the position of the adjustable flow hole 5 must be positioned outside the limiting sleeve 3.
Taking the third case as an example, the valve core 1 includes a first sleeve and a second sleeve which are coaxially arranged and communicated, the first sleeve and the second sleeve can be integrally arranged, the inner diameter of the first sleeve is larger than the outer diameter of the guide sleeve 2, a protruding portion is formed on the end portions of the two sides of the first sleeve along the direction towards the guide sleeve 2, the guide sleeve 2 is located inside the first sleeve, the first sleeve slides along the direction of water flow, the protruding portion slowly shields the adjustable flow hole 5, that is, the shielded portion of the adjustable flow hole 5 is located inside the first sleeve, and at this time, the flow area of the adjustable flow hole 5 is gradually reduced;
the inner diameter of the second sleeve is larger than the outer diameter of the first sleeve, the inner diameter of the second sleeve is larger than the outer diameter of the limiting sleeve 3, a protruding portion is formed on one side end portion of the second sleeve in the direction towards the guide sleeve 2, and the protruding portion is connected with one side end portion of the first sleeve. The first sleeve and the second sleeve form a valve slide 1 which is stepped. At the same time, a projection is formed in the circumferential direction of the other end of the stop sleeve 3, which projection is adapted to the other end of the second sleeve, in a direction away from the guide sleeve 2.
On the basis of the above embodiment, the dynamic flow balance valve further comprises an elastic member sleeved on the guide sleeve 2; one end of the elastic element is connected with the end part of the valve core 1, and the other end is connected with the end part of one side of the limiting sleeve 3.
It should be noted that the elastic member may be a spring, that is, one end of the spring is fixedly connected to the protruding portion of the first sleeve, and the other end of the spring is fixedly connected to one side end of the limiting sleeve 3.
In the embodiment of the utility model, the water flow flows in from the water inlet end of the valve body, enters the interior of the guide sleeve 2 from the water inlet on the guide sleeve 2, flows out from the adjustable flow hole 5 and the fixed flow hole 6, and then reaches the water outlet end through the water outlet on the limiting sleeve 3; when the actual pressure difference is lower than the minimum starting pressure difference, the valve core 1 is in a static state, namely the adjustable flow hole 5 is in a maximum flow area state; when the actual differential pressure exceeds the minimum starting differential pressure, as long as within the preset differential pressure range, the valve core 1 slides along the water flow direction along with the increase of the differential pressure value, the adjustable flow hole 5 is slowly shielded, the spring is in a compressed state, the flow area of the adjustable flow hole 5 is gradually reduced at the moment, and after the adjustment is finished, under the action of the restoring force provided by the spring, the valve core 1 returns to the original state, and the adjustable flow hole 5 is in the maximum flow area state.
On the basis of the above embodiment, the dynamic flow balance valve further includes a limiting member 4 fixedly connected to the inner wall of the valve body, and the end of the valve element 1 is detachably connected to the limiting member 4.
It should be noted that the limiting member 4 may be a sleeve structure, an inner diameter of the limiting member 4 is adapted to an outer diameter of the first sleeve, and an inner diameter of the second sleeve is greater than an inner diameter of the limiting member 4. The installation position of the limiting member 4 needs to ensure that the valve core 1 can return to the original state, i.e. the flow orifice 5 is in the maximum flow area state, under the action of the restoring force provided by the spring, and the end of the first sleeve does not contact with the inner wall of the valve body.
The embodiment of the utility model provides an in, when actual pressure differential surpassed minimum start-up pressure differential, as long as in the preset pressure differential within range, along with the increase of pressure differential value, case 1 slides along the direction of rivers, slowly shelters from adjustable flow hole 5, and the spring is in the compression state, and the flow area of adjustable flow hole 5 reduces gradually this moment, adjusts after accomplishing under the restoring force effect that the spring provided, and case 1 gets back to original state and can adjust flow hole 5 and be located the biggest flow area state, and the telescopic bellying of second contacts with locating part 4 just this moment.
On the basis of the above embodiment, the valve body is a hollow Y-shaped cylinder.
It should be noted that the two branches are communicated, the port of the first branch is set as a water inlet end, the port of the second branch is set as a water outlet end, and the water inlet end and the water outlet end are located on the same straight line; the valve core assembly is obliquely arranged in the second branch of the valve body.
In the embodiment of the utility model, a certain pressure difference is formed between the water inlet end and the water outlet end of the dynamic flow balance valve, and the valve core 1 stretches back and forth along the water flow direction under the action of the water pressure and the high-precision spring arranged inside; when the pressure difference is below the working range, the valve core 1 is completely popped up under the action of the pretightening force of the high-precision spring, the fixed flow hole 6 and the adjustable flow hole 5 are completely opened at the moment, water flows pass through the fixed flow hole 6 and the completely opened adjustable flow hole 5, and the maximum flow area is formed at the moment; when the pressure difference is within the working range, the valve core 1 can extend back and forth along with the change of the pressure difference at the inlet and the outlet, and the output flow can be kept constant within a certain range by controlling the flow area of the flow-adjustable hole 5; when the inlet-outlet ratio difference exceeds the working range, the adjustable flow hole 5 is completely shielded, and the fluid only passes through the fixed flow hole 6, so that the flow area is minimum.
In addition to the above embodiment, as shown in fig. 2, the fixed flow rate orifice 6 is a rectangular orifice, and the variable flow rate orifice 5 is formed by communicating two gradually changing orifices whose flow areas gradually decrease in the water flow direction.
Note that the fixed flow orifice 6 and the variable flow orifice 5 are spaced apart from each other by a predetermined distance. The fixed flow hole 6 and the adjustable flow hole 5 are both in an axisymmetric structure, and the force of the fluid on the fixed flow hole 6 and the adjustable flow hole 5 is symmetrically distributed, so that the mechanical locking under the working condition can be avoided.
On the basis of the above embodiment, as shown in fig. 3, the fixed flow rate orifice 6 includes a rectangular orifice and a circular orifice arranged in this order in the axial direction of the guide sleeve 2; the plurality of rectangular holes and the plurality of circular holes are all arranged along the circumferential direction of the guide sleeve 2; the adjustable flow hole 5 is formed by communicating two gradually-changed holes with gradually-reduced flow area along the water flow direction.
It should be noted that the length direction of the rectangular holes is consistent with the water flow direction, the plurality of circular holes are arranged in an axial symmetry manner, the flow-adjustable holes 5 are arranged in an axial symmetry manner, two groups of rectangular holes can be arranged along the water flow direction, and the second group of rectangular holes are positioned on the outer side of the first group of rectangular holes. Two sets of rectangular holes are all arranged in axial symmetry, and each set of rectangular holes can comprise two rectangular holes.
On the basis of the above embodiment, as shown in fig. 4, the fixed flow rate orifice 6 includes a plurality of circular orifices arranged in the circumferential direction of the guide sleeve 2, and the variable flow rate orifice 5 is formed by communicating a rectangular orifice arranged close to the circular orifices and two gradually changing orifices having gradually decreasing flow areas in the water flow direction.
It should be noted that the adjustable flow orifice 5 and the fixed flow orifice 6 are both axisymmetric structures, the fixed flow orifice 6 may include four circular orifices, and the width direction of the rectangular orifice is the same as the water flow direction. Wherein, two gradual change holes are arranged in axial symmetry.
On the basis of the above embodiment, as shown in fig. 5, the fixed flow rate orifice 6 includes two sets of circular holes arranged in order in the axial direction of the guide sleeve 2; a group of circular holes are sequentially arranged along the circumferential direction of the guide sleeve 2, and the diameters of two adjacent circular holes are different; the adjustable flow hole 5 is formed by communicating two gradually-changed holes with gradually-reduced flow area along the water flow direction.
It should be noted that adjustable flow hole 5 is the axial symmetry structure, has arranged first group's circular port and second group's circular port along the rivers direction in proper order, and first group's circular port is the axial symmetry structure, and first group's circular port includes a circular port, and second group's circular port includes four circular ports, and the diameter of two circular ports of looks interval is the same.
It will be appreciated that the other side end of the guide sleeve 2 is provided with an outlet opening, which is in communication with the outlet end.
On the basis of the above embodiment, as shown in fig. 6, the fixed flow rate orifice 6 includes two sets of circular holes arranged in order in the axial direction of the guide sleeve 2; a group of circular holes are sequentially arranged along the circumferential direction of the guide sleeve 2, and the diameters of two adjacent circular holes are different; the flow-adjustable holes 5 which are axisymmetric are formed by communicating four gradually-changed holes with gradually-reduced flow areas along the water flow direction, the flow areas of two adjacent gradually-changed holes are different, and the flow areas of two symmetrical gradually-changed holes are the same.
It should be noted that adjustable flow hole 5 is the axial symmetry structure, has arranged first group's circular port and second group's circular port along the rivers direction in proper order, and first group's circular port is the axial symmetry structure, and first group's circular port includes a circular port, and second group's circular port includes four circular ports, and the diameter of two circular ports of looks interval is the same.
On the basis of the above embodiment, as shown in fig. 7, the fixed flow rate hole 6 includes a plurality of circular holes arranged in the circumferential direction of the guide sleeve 2, and the diameters of adjacent two circular holes are different; the adjustable flow hole 5 is formed by communicating a rectangular hole and two gradually-changed holes with gradually-reduced flow areas along the water flow direction, and the rectangular hole is arranged close to the circular hole.
It should be noted that the variable flow orifice 5 is an axisymmetric structure, and the fixed flow orifice 6 may include four circular orifices, and the two circular orifices spaced apart from each other have the same diameter. The width direction of the rectangular hole is consistent with the water flow direction. Wherein, two gradual change holes are arranged in axial symmetry.
On the basis of the above embodiment, as shown in fig. 8, the fixed flow rate orifice 6 includes a plurality of orifices arranged in the circumferential direction of the guide sleeve 2; the adjustable flow orifice 5 is a tapered orifice.
It should be noted that the fixed flow rate orifice 6 may include four orifices, which are a first circular orifice, a rectangular orifice, a second circular orifice and a third circular orifice in sequence along the circumferential direction of the guide sleeve 2, and the diameters of the first circular orifice and the second circular orifice are the same.
It will be appreciated that the other side end of the guide sleeve 2 is provided with an outlet opening, which is in communication with the outlet end.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A dynamic flow balancing valve, comprising: the valve comprises a valve body and a valve core assembly arranged inside the valve body;
the valve core assembly comprises a guide sleeve, a limiting sleeve and a valve core in a sleeve structure, wherein the guide sleeve and the limiting sleeve are coaxially arranged; a water inlet communicated with the water inlet end is formed in one side end of the guide sleeve, a flow-adjustable hole and a flow-fixed hole are sequentially formed in the outer wall of the guide sleeve along the water flow direction, and a water outlet communicated with the water outlet end is formed in one side end of the limiting sleeve;
the limiting sleeve fixedly connected with the inner wall of the valve body is fixedly sleeved at the end part at the other end of the guide sleeve; the fixed flow hole is communicated with the water outlet, the valve core capable of sliding back and forth is sleeved on the outer wall of the guide sleeve, and the flow area of the adjustable flow hole is changed through the sliding of the valve core, so that the adjustable flow hole is communicated with or disconnected from the water outlet.
2. The dynamic flow balance valve of claim 1 wherein the end of the spool is detachably connected to the other end of the stop sleeve.
3. The dynamic flow balance valve of claim 2 further comprising a resilient member disposed about said guide sleeve;
one end of the elastic piece is connected with the end part of the valve core, and the other end of the elastic piece is connected with the end part of one side of the limiting sleeve.
4. The dynamic flow balance valve of claim 2 further comprising a retainer fixedly attached to an inner wall of the valve body, wherein the end of the valve spool is detachably attached to the retainer.
5. The dynamic flow balance valve of claim 1, wherein the valve body is a hollow Y-shaped cylinder.
6. The dynamic flow balance valve of any of claims 1 to 5 wherein the fixed flow orifice is a rectangular orifice and the axisymmetric adjustable flow orifice is formed by connecting two gradually changing orifices having a flow area that gradually decreases in the direction of water flow.
7. The dynamic flow balancing valve of any one of claims 1 to 5, wherein the fixed flow orifice comprises a rectangular orifice and a circular orifice arranged in series in the direction of water flow; the axisymmetric adjustable flow hole is formed by communicating two gradually-changed holes with gradually-reduced flow area along the water flow direction.
8. The dynamic flow balance valve of any one of claims 1 to 5, wherein the fixed flow orifice comprises a plurality of circular orifices arranged in a circumferential direction of the guide sleeve, and the axisymmetric adjustable flow orifice is formed by communicating a rectangular orifice and two gradually changing orifices having gradually decreasing flow areas in a water flow direction, the rectangular orifice being arranged adjacent to the circular orifices.
9. The dynamic flow balancing valve of any one of claims 1 to 5, wherein the fixed flow orifices comprise two sets of circular orifices arranged in series in the direction of water flow; the group of circular holes are sequentially arranged along the circumferential direction of the guide sleeve, and the diameters of two adjacent circular holes are different; the axisymmetric adjustable flow hole is formed by communicating two gradually-changed holes with gradually-reduced flow area along the water flow direction.
10. The dynamic flow balancing valve of any one of claims 1 to 5, wherein the fixed flow orifices comprise two sets of circular orifices arranged in series in the direction of water flow; the group of circular holes are sequentially arranged along the circumferential direction of the guide sleeve, and the diameters of two adjacent circular holes are different; the adjustable flow holes which are axisymmetric are formed by communicating four gradual change holes with gradually reduced flow area along the water flow direction, the flow area of two adjacent gradual change holes is different, and the flow area of two symmetrical gradual change holes is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020923543.1U CN212429878U (en) | 2020-05-27 | 2020-05-27 | Dynamic flow balance valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020923543.1U CN212429878U (en) | 2020-05-27 | 2020-05-27 | Dynamic flow balance valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212429878U true CN212429878U (en) | 2021-01-29 |
Family
ID=74269246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020923543.1U Active CN212429878U (en) | 2020-05-27 | 2020-05-27 | Dynamic flow balance valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212429878U (en) |
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2020
- 2020-05-27 CN CN202020923543.1U patent/CN212429878U/en active Active
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