CN219774834U - Valve core of regulating valve and regulating valve - Google Patents

Abstract

The utility model discloses a valve core of a regulating valve and the regulating valve, wherein the valve core is provided with a water passing part, the water passing part is movably arranged on a mounting seat along a first direction, the water passing part is provided with a water passing port, the water passing port is used for connecting or disconnecting a water inlet flow passage and a water outlet flow passage, the surface of the water passing part, which defines the water passing port, comprises a first guide surface, a second guide surface and a third guide surface, the extending direction of the first guide surface is perpendicular to the first direction, the second guide surface and the third guide surface respectively comprise two oppositely arranged guide surfaces, the second guide surface is connected with the first guide surface, the third guide surface is connected with the second guide surface, and the minimum distance between the two third guide surfaces is larger than the maximum length of the first guide surface. According to the valve core disclosed by the embodiment of the utility model, the shape of the water outlet is limited, so that the fluid flow flowing into the water outlet flow channel through the water outlet is approximately in linear relation with the movable displacement of the valve core, and the adjusting precision of the valve core is further improved.

Description

Valve core of regulating valve and regulating valve

Technical Field

The utility model relates to the technical field of regulating valves, in particular to a valve core of a regulating valve and the regulating valve.

Background

In a heating system, a regulating valve is a common mechanical device for regulating and controlling parameters such as flow rate, pressure and the like of fluid in a pipeline. In the related art, the regulating valve is generally used for directly blocking or opening a water outlet in the valve body through a movable valve core, so that the regulating precision of the regulating valve on the liquid flow is poor, and there is room for improvement.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present utility model is to propose a valve element with high adjustment accuracy.

The utility model further provides a regulating valve.

According to the valve core of the first aspect of the embodiment of the utility model, the regulating valve comprises a valve body, the valve body is provided with a water inlet flow channel and a water outlet flow channel, a mounting seat is arranged between the water inlet flow channel and the water outlet flow channel, the valve core is provided with a water passing part, the water passing part is movably arranged on the mounting seat along a first direction, the water passing part is provided with a water passing port, the water passing port is used for connecting or disconnecting the water inlet flow channel and the water outlet flow channel, wherein the surface of the water passing part, which defines the water passing port, comprises a first guide surface, a second guide surface and a third guide surface, the extending direction of the first guide surface is perpendicular to the first direction, the second guide surface and the third guide surface respectively comprise two opposite arranged edges, one end of each second guide surface is connected with the edge of the first guide surface along the first direction, one end of the third guide surface is connected with the other end of the second guide surface, and the other end of the third guide surface extends to the first edge of the first guide surface, and the second guide surface is larger than the first edge of the first guide surface.

According to the valve core provided by the embodiment of the utility model, the water passing part with the water passing port is arranged, and the water passing port is communicated with or disconnected from the water inlet flow channel and the water outlet flow channel through the movable water passing part, so that the valve core can regulate the flow and the pressure of fluid in the regulating valve, and the regulating precision of the flow of the fluid is improved; by limiting the shape of the water outlet, the fluid flow flowing into the water outlet flow passage through the water outlet is approximately in linear relation with the movement displacement of the valve core, and the adjusting precision of the valve core is further improved.

According to some embodiments of the utility model, the second guiding surface is planar, and the extending direction of the second guiding surface is inclined to the third guiding surface.

According to some embodiments of the utility model, in the first direction, the length of the second guide surface is greater than the length of the third guide surface.

According to some embodiments of the utility model, the water passing port forms a flare.

In some examples, the two third guide surfaces of each of the water passing ports are perpendicular.

According to some embodiments of the utility model, the water passing part comprises a top plate and a side wall plate, the side wall plate is arranged on the periphery of the top plate and is attached to the mounting seat, the side wall plate is provided with a plurality of water passing ports, the water passing ports are arranged at equal intervals along the circumferential direction of the side wall plate, the inner wall surface of the side wall plate is provided with first reinforcing ribs, and at least one first reinforcing rib is arranged between two adjacent water passing ports.

An embodiment of a regulator valve according to the second aspect of the present utility model includes: the valve comprises a valve body, a valve cover, a valve rod and a valve core, wherein the valve body is provided with a water inlet flow channel and a water outlet flow channel, a mounting seat is arranged between the water inlet flow channel and the water outlet flow channel, and the valve body is provided with a mounting opening; the valve cover is arranged on the valve body and is fixedly connected with the valve body; the valve rod is arranged on the valve cover, one end of the valve rod extends into the valve body through the mounting opening, the valve core comprises a water passing part and a connecting part, the connecting part is connected with one end of the valve rod, the water passing part is arranged on the connecting part, the water passing part is movably arranged on the mounting seat along a first direction, and the water passing part is provided with a water passing opening for communicating or disconnecting the water inlet flow passage with the water outlet flow passage.

According to the regulating valve provided by the embodiment of the utility model, the valve core with the water passing part is arranged, and the water passing port is arranged on the water passing part, so that the water passing port is communicated with or disconnected from the water inlet flow channel and the water outlet flow channel, the regulating valve can regulate the flow and the pressure of fluid in the valve body, and the regulating precision of the flow of the fluid is improved.

According to some embodiments of the utility model, the connecting part comprises a connecting column and a connecting plate, one end of the connecting column is connected with the connecting plate, the other end of the connecting column is connected with the water passing part, a mounting cavity is formed in the middle of the connecting column, a locating surface is formed on one side, away from the connecting column, of the connecting plate, a limit boss is arranged on the periphery of the valve rod, one end of the valve rod penetrates through the connecting plate to be fixedly connected with a fastener positioned in the mounting cavity, and the limit boss is suitable for being in butt fit with the locating surface.

According to some embodiments of the utility model, the valve cover comprises a cover body and a convex cover, the cover body is fixedly connected with the valve body through a fastener, the convex cover is arranged on one side of the cover body close to the valve body, the convex cover is suitable for extending into the mounting opening and the periphery of the convex cover is in sealing fit with the valve body, the periphery of the connecting part is provided with a connecting flanging, and the connecting flanging is suitable for being inserted into the convex cover and in sealing fit with the inner periphery of the convex cover.

According to some embodiments of the utility model, the valve cover comprises a cover body and a mounting boss, the cover body is fixedly connected with the valve body through a fastener, the mounting boss is arranged on one side of the cover body far away from the valve body, the valve rod is arranged in the mounting boss in a penetrating manner, a fit gap is formed between the valve rod and the mounting boss, a filler is filled in the fit gap, a filler gland for pressing the filler is arranged on the mounting boss, and an elastic piece is further arranged in the fit gap and respectively abutted with the filler and the cover body to apply pretightening force to the filler.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a regulator valve according to some embodiments of the utility model;

FIG. 2 is a schematic partial structural view of a regulator valve according to some embodiments of the present utility model;

FIG. 3 is a schematic view of a water passing portion according to some embodiments of the present utility model;

FIG. 4 is a cross-sectional view of a regulator valve according to some embodiments of the present utility model, wherein a water port breaks a water inlet flow path and a water outlet flow path;

FIG. 5 is a cross-sectional view of a regulator valve according to some embodiments of the present utility model, wherein a water port communicates with a water inlet flow passage and a water outlet flow passage;

fig. 6 is a flow chart of a regulator valve according to some embodiments of the utility model.

Reference numerals:

the control valve 100 is configured to control the flow of fluid,

the valve core 10, the first guide surface 101, the second guide surface 102, the third guide surface 103, the water passing port 104,

the water passing part 11, the top plate 111, the side wall plate 112,

the connecting part 12, the connecting post 121, the mounting cavity 1211, the connecting plate 122, the connecting flange 123, the connecting boss 124,

the first reinforcing rib 125, the second reinforcing rib 126, the third reinforcing rib 127,

the valve body 20, the water inlet flow channel 201, the water outlet flow channel 202,

a valve cover 30, a cover body 31, a convex cover 32, a mounting boss 33,

the valve stem 40, the limit boss 401,

the packing gland 51, the elastic member 52, the packing 53,

mounting base 60, fastener 70.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The valve spool 10 of the regulator valve 100 according to the embodiment of the present utility model is described below with reference to fig. 1 to 6.

As shown in fig. 1 to 6, according to the valve core 10 of the embodiment of the present utility model, the regulating valve 100 includes a valve body 20, the valve body 20 has a water inlet flow channel 201 and a water outlet flow channel 202, and a mounting seat 60 is provided between the water inlet flow channel 201 and the water outlet flow channel 202; the valve element 10 has a water passing portion 11, the water passing portion 11 is disposed on the mounting seat 60, the water passing portion 11 is movable in a first direction (up-down direction as shown in fig. 2), the water passing portion 11 is provided with a water passing port 104, the water passing port 104 is communicated with a water inlet flow channel 201 and a water outlet flow channel 202 through the movement of the water passing portion 11, the water passing port 104 is also disconnected from the water inlet flow channel 201 and the water outlet flow channel 202, for example, when the water passing port 104 corresponds to the mounting seat 60, the water inlet flow channel 201 and the water outlet flow channel 202 are not communicated, when a part of the water passing port 104 is staggered with the mounting seat 60, the water inlet flow channel 201 and the water outlet flow channel 202 can be communicated, water in the water inlet flow channel 201 can be introduced into the water outlet flow channel 202, the size of the staggered part of the water passing port 104 and the mounting seat 60 is adjusted through the movement of the water passing portion 11, the water passing area is adjusted, and the flow rate of the water introduced into the water outlet flow channel 202 can be changed, and thus the flow and pressure of fluid in the regulating valve element 10 can be regulated.

The water passing portion 11 is provided with a first guide surface 101, two second guide surfaces 102 and two third guide surfaces 103, the extending direction of the first guide surface 101 is perpendicular to the first direction, the two second guide surfaces 102 are oppositely arranged, one end (the upper end shown in fig. 3) of each second guide surface 102 is connected with the edge of the first guide surface 101 in the length direction, the two third guide surfaces 103 are oppositely arranged, the third guide surfaces 103 extend along the first direction, one end (the upper end shown in fig. 3) of each third guide surface 103 is connected with the other end (the lower end shown in fig. 3) of each second guide surface 102, the other end (the lower end shown in fig. 3) of each third guide surface 103 extends to the edge of the water passing portion 11, and a water passing port 104 is defined between the five guide surfaces, wherein the minimum distance between the two third guide surfaces 103 is larger than the maximum length of the first guide surface 101, so that in the process of moving the water passing portion 11, the fluid flow in the water passing channel 202 is increased or decreased steadily, that the fluid flow in the water passing channel 202 is in a linear relation with the moving accuracy of the water passing portion 11, and the fluid flow of the water passing portion 10 can be adjusted.

According to the valve core 10 of the embodiment of the utility model, the water passing part 11 with the water passing port 104 is arranged, and the water passing port 104 can be communicated with or disconnected from the water inlet flow channel 201 and the water outlet flow channel 202 through the movable water passing part 11, so that the valve core 10 can regulate the flow and the pressure of fluid in the regulating valve 100, and the regulating precision of the flow of the fluid is improved; by defining the shape of the water passing port 104, the fluid flow flowing into the water outlet channel 202 through the water passing port 104 is approximately in linear relation with the movement displacement of the valve core 10, and the adjusting precision of the valve core 10 is further improved.

As shown in fig. 2 and 3, according to some embodiments of the present utility model, the second guiding surface 102 is a plane, and the extending direction of the second guiding surface 102 is inclined to the third guiding surface 103, for example, when the water passing portion 11 moves upwards, the water inlet flow channel 201 and the water outlet flow channel 202 can be communicated, and at each water passing port 104, each second guiding surface 102 extends obliquely from top to bottom in a direction away from the other second guiding surface 102, so that the fluid flow rate flowing through the water passing port 104 can be steadily increased during the upward movement of the water passing portion 11, or steadily decreased during the downward movement of the water passing portion 11, and further the water outlet flow rate of the water outlet flow channel 202 and the movement displacement of the water passing portion 11 are approximately in a linear relationship, so as to improve the adjustment accuracy of the valve core 10.

As shown in fig. 1-6, in some specific examples, the valve core 10 is movable to enable the water passing portion 11 to move between a first position and a second position, when the water passing portion 11 is located at the first position, the water passing port 104 corresponds to the position of the mounting seat 60, and the water passing port 104 is completely blocked by the mounting seat 60, so that the water passing port 104 breaks off the water inlet flow channel 201 and the water outlet flow channel 202; when the water passing portion 11 is located at the second position, the water passing port 104 is staggered from the mounting seat 60, the water passing port 104 is communicated with the water inlet flow channel 201 and the water outlet flow channel 202, the maximum flow rate is reached in the water outlet flow channel 202, the relative flow coefficient of the water outlet flow channel 202 is the ratio of the actual flow rate to the maximum flow rate of the water outlet flow channel, the relative stroke of the water passing portion 11 is the ratio of the moving amount of the water passing portion 11 to the maximum moving amount, the maximum moving amount is the moving amount of the water passing portion 11 from the first position to the second position, and the opening of the water passing port 104 is changed due to the change of the moving amount of the water passing portion 11 so as to adjust the water passing area.

As shown in fig. 6, the relative flow coefficient of the water outlet channel 202 may increase with the increase of the relative stroke of the water passing portion 11, when the water passing portion 11 is at the first position, the relative stroke thereof is 0, the water passing port 104 is completely blocked, and at this time, the water passing port 104 disconnects the water inlet channel 201 and the water outlet channel 202, and the relative flow coefficient of the water outlet channel 202 is 0; as the water passing portion 11 moves upward, the stroke gradually increases, at this time, the water passing port 104 communicates with the water inlet flow channel 201 and the water outlet flow channel 202, when the relative stroke of the water passing portion 11 is 30%, the relative flow coefficient of the water outlet flow channel 202 is 0.12, when the relative coefficient of the water passing portion 11 is 40%, the relative flow coefficient of the water outlet flow channel 202 is 0.28, when the relative stroke of the water passing portion 11 is 50%, the relative flow coefficient of the water outlet flow channel 202 is 0.44, when the water passing portion 11 moves to the second position, the opening degree of the water passing port 104 reaches the maximum, the water passing area reaches the maximum, and when the relative stroke of the water passing portion 11 is 100%, the relative flow coefficient of the water outlet flow channel 202 is 1, and as a result of the analysis, the relative flow coefficient of the water outlet flow channel 202 and the relative stroke of the water passing portion 11 are substantially linearly related, thereby improving the adjustment accuracy of the adjustment valve 100.

In some examples, each guide surface may be a planar structure for ease of machining; of course, the guide surface may be a curved surface, and the first guide surface 101, the second guide surface 102 and the third guide surface 103 cooperate with each other, so that the water gap 104 forms an arch structure, and the adjustment accuracy of the valve core 10 can be improved.

As shown in fig. 3, according to some embodiments of the present utility model, the length of the second guide surface 102 is greater than the length of the third guide surface 103 in the first direction (up-down direction as shown in fig. 3), so that the adjustment range of the liquid flow rate of the valve core 10 can be increased, when the water passing area of the water passing port 104 is increased, the fluid in the water passing and discharging channel 202 can be approximately linearly related to the movement of the valve core 10, and meanwhile, the maximum fluid flow rate flowing through the water passing port 104 can be limited, so that the overload of the adjusting valve 100 is prevented, the reliability of the valve core 10 is improved, and the service life of the valve core 10 is prolonged.

As shown in fig. 3, according to some embodiments of the present utility model, the water passing port 104 is formed with a flared mouth, so that the water passing capability of the water passing port 104 can be increased to meet the larger water supply requirement of the regulating valve 100, and meanwhile, the regulating precision is improved, and the use effect of the product is improved.

As shown in fig. 2 and 3, in some examples, the two third guide surfaces 103 of each water port 104 that are disposed opposite each other are perpendicular to each other, facilitating the formation of flares in the water ports 104, while facilitating the forming of the water ports 104.

As shown in fig. 2, 3 and 4, according to some embodiments of the present utility model, the water passing portion 11 includes a top plate 111 and a side wall plate 112, the side wall plate 112 is disposed at an outer periphery of the top plate 111, the side wall plate 112 may be attached to the mounting seat 60, so that a probability of water passing through a gap between the side wall plate 112 and the mounting seat 60 is reduced, a tightness of the regulating valve 100 is improved, the side wall plate 112 is provided with a plurality of water passing ports 104, and the plurality of water passing ports 104 are equally spaced along a circumferential direction of the side wall plate 112, so that the water passing portion 11 uniformly passes water, and stability of the valve core 10 is improved; the inner wall surface of side wall board 112 is provided with first strengthening rib 125, first strengthening rib 125 extends along the extending direction (upper and lower direction as shown in fig. 4) of side wall board 112, be provided with a first strengthening rib 125 between two adjacent water mouths 104, can improve the structural strength of side wall board 112 from this, avoid side wall board 112 to break impaired etc. under the fluid washout, be convenient for processing simultaneously, reduce processing cost, of course, also can be provided with a plurality of first strengthening ribs 125 between two adjacent water mouths 104, can further promote the structural strength of side wall board 112, improve the life of case 10.

As shown in fig. 4, in some examples, the top plate 111 may abut against the upper surface of the mounting seat 60 to limit the downward movement of the water passing portion 11, where when the top plate 111 abuts against the mounting seat 60, the water passing port 104 is completely blocked by the side wall of the mounting seat 60, and the outer side surface of the side wall plate 112 is completely attached to the mounting seat 60, so that the water inlet flow channel 201 and the water outlet flow channel 202 are disconnected.

In some examples, the number of water ports 104 may be two, which may reduce processing costs while guaranteeing the water volume of the valve cartridge 10; of course, the number of the water passing ports 104 may be more, for example, the number of the water passing ports 104 is three or four, so that the water passing amount of the valve core 10 can be increased, and the adjustment range of the adjusting valve 100 can be increased.

As shown in fig. 1 to 6, a regulating valve 100 according to an embodiment of the present utility model includes: the valve comprises a valve body 20, a valve cover 30, a valve rod 40 and a valve core 10, wherein the valve body 20 is provided with a water inlet flow channel 201 and a water outlet flow channel 202, a mounting seat 60 is arranged between the water inlet flow channel 201 and the water outlet flow channel 202, the mounting seat 60 is used for mounting the valve core 10, and the valve body 20 is provided with a mounting opening; the valve cover 30 is arranged on the valve body 20, and the valve cover 30 is in sealing connection with the valve body 20 to seal the regulating valve 100, so that the probability of water leakage in the regulating valve 100 is reduced, and the stability and reliability of the regulating valve 100 are improved; the valve stem 40 is disposed on the valve cap 30, and one end (a lower end as viewed in fig. 4) of the valve stem 40 may extend into the valve body 20 through the mounting port.

The valve core 10 includes a water passing portion 11 and a connecting portion 12, the connecting portion 12 is connected to one end (lower end as shown in fig. 4) of the valve rod 40, the water passing portion 11 is disposed on the connecting portion 12, the water passing portion 11 is movably disposed on the mounting seat 60 along a first direction (up-down direction as shown in fig. 2), that is, the valve rod 10 drives the connecting portion 12 to move, the water passing portion 11 can move along the first direction, the water passing portion 11 is provided with a water passing port 104, the water passing portion 11 can move to enable the water passing port 104 to be communicated with or disconnected from the water inlet channel 201 and the water outlet channel 202, for example, when the water passing port 104 corresponds to the mounting seat 60, the water inlet channel 201 and the water outlet channel 202 are not communicated, when a part of the water passing port 104 is staggered with the mounting seat 60, water in the water inlet channel 201 can be led into the water outlet channel 202, the size of the staggered part of the water passing port 104 and the mounting seat 60 is adjusted, and the water passing area is adjusted, and the flow in the water inlet channel 202 can be changed, for example, thereby the valve core 100 can be adjusted, and the flow in the valve 100 can be adjusted.

According to the regulating valve 100 of the embodiment of the utility model, by arranging the valve core 10 with the water passing part 11 and arranging the water passing port 104 on the water passing part 11, the water passing port 104 is connected or disconnected with the water inlet flow channel 201 and the water outlet flow channel 202, the regulating valve 100 can regulate the flow and the pressure of the fluid in the valve body 20, and the regulating precision of the flow of the fluid is improved.

As shown in fig. 4 and 5, in some examples, the water inlet channel 201 is located at the lower side of the mounting seat 60, the water outlet channel 202 is located at the upper side of the mounting seat 60, so that backflow of fluid can be prevented, normal flow direction of fluid can be ensured, loss of fluid can be reduced, and the flow rate of fluid can be naturally reduced before entering the water outlet channel 202, so that impact and vibration can be reduced, and long-term stable operation of pipes and devices can be ensured.

In some examples, the valve rod 40 may drive the valve core 10 to move, so that the water passing portion 11 moves between a first position and a second position, when the water passing portion 11 is located at the first position, as shown in fig. 4, the top plate 111 abuts against the mounting seat 60, the water passing port 104 corresponds to the position of the mounting seat 60, and the water passing port 104 is completely blocked by the mounting seat 60, so that the water passing port 104 breaks off the water inlet flow channel 201 and the water outlet flow channel 202; as shown in fig. 5, when the valve core 10 moves upward, the water passing portion 11 can move to the second position, a part of the water passing opening 104 is staggered with the mounting seat 60, at this time, the water passing opening 104 can be communicated with the water inlet flow channel 201 and the water outlet flow channel 202, further, the valve core 10 can continue to move upward until moving to the second position, the water passing opening 104 is completely staggered with the mounting seat 60, at this time, the water outlet flow of the water outlet flow channel 202 can reach the maximum value.

As shown in fig. 2, 4 and 5, according to some embodiments of the present utility model, the connection part 12 includes a connection post 121 and a connection plate 122, a lower end of the connection post 121 is connected to the connection plate 122, an upper end of the connection post 121 is connected to the water passing part 11, a middle part of the connection post 121 has a mounting cavity 1211, and a side (an upper side as shown in fig. 2) of the connection plate 122 facing away from the connection post 121 has a positioning surface.

The periphery of valve rod 40 is provided with spacing boss 401, and the one end (lower extreme as shown in fig. 2) of valve rod 40 passes connecting plate 122 and stretches into in the installation cavity 1211, is connected with valve rod 40 through setting up fastener 70 in installation cavity 1211, and spacing boss 401 can with the locating surface butt cooperation, play the spacing of connecting plate 122 and valve rod 40 complex, realized the fastening connection of connecting plate 122 and valve rod 40, and fastening effect is good, the stability of valve core 10 activity has been improved, the reliability of governing valve 100 has been improved.

In some examples, the outer peripheral surface of the lower end of the valve rod 40 may be provided with external threads, and the fastener 70 may be a nut, where the nut may be screwed to the lower end of the valve rod 40, and then the nut abuts against the lower wall surface of the connection plate 122 to achieve a limiting effect on the valve rod 40 and the connection plate 122, so that the valve rod 40 moves upward to drive the entire valve core 10 to move upward, and meanwhile, since the limiting boss 401 may be abutted and matched with the positioning surface, the valve rod 40 moves downward to drive the entire valve core 10 to move downward, where the connection plate 122 may be provided with the connection boss 124, and the upper surface of the connection boss 124 forms the positioning surface.

As shown in fig. 2, in some examples, the connecting plate 122 is further provided with second reinforcing ribs 126, one end of each second reinforcing rib 126 is connected with the outer circumference of the connecting boss 124, the other end of each second reinforcing rib 126 is connected with the inner circumference of the connecting flange 123, and the number of the second reinforcing ribs 126 may be plural, and the plural second reinforcing ribs 126 are arranged at intervals along the circumference of the connecting plate 122, so that the structural strength of the connecting plate 122 is improved. As shown in fig. 2, in some examples, the outer periphery of the connection post 121 is provided with third reinforcing ribs 127, the third reinforcing ribs 127 extend along the vertical direction (up-down direction as shown in fig. 2), the upper ends of the third reinforcing ribs 127 are connected with the connection plate 122, the lower ends of the third reinforcing ribs 127 are connected with the top plate 111 of the water passing portion 11, and the number of the third reinforcing ribs 127 may be plural, and the plural third reinforcing ribs 127 may be arranged at intervals on the outer periphery of the connection post 121, so that the overall structural strength of the valve core 10 can be improved, and the service life of the valve core 10 can be prolonged.

As shown in fig. 2, 4 and 5, according to some embodiments of the present utility model, the valve cover 30 includes a cover body 31 and a protruding cover 32, the cover body 31 is fixedly connected with the valve body 20 through fasteners 70, where the number of the fasteners 70 may be plural, and the plural fasteners 70 are circumferentially spaced around the cover body 31, so that the force is uniform and the fastening effect is good; the fastener 70 may be a screw or bolt, etc., for ease of operation.

In some examples, a ring of gaskets may be provided between the cover body 31 and the valve body 20, and by pressing the gaskets, the fastener 70 between the cover body 31 and the valve body 20 may be prevented from loosening, improving the fastening effect of the fastener 70.

The protruding cover 32 is disposed on one side (lower side as shown in fig. 4) of the cover body 31 close to the valve body 20, the protruding cover 32 may extend into the mounting opening, and the outer periphery of the protruding cover 32 is in sealing fit with the valve body 20, so as to realize sealing connection between the valve body 20 and the valve cover 30.

In some examples, the outer side wall of the protruding cover 32 may be provided with a ring of groove, and a sealing ring may be sleeved in the groove, so that a gap between the cover body 31 and the valve body 20 may be reduced, and the tightness of the regulating valve 100 is improved.

The periphery of connecting portion 12 is provided with and connects turn-ups 123, connects turn-ups 123 can insert in the protruding lid 32, and connects turn-ups 123 and the inner periphery sealing fit of protruding lid 32, has reduced the probability that the circulation spills through the gap between connection turn-ups 123 and the protruding lid 32 from this, has improved the leakproofness and the stability of governing valve 100.

In some examples, the periphery of the connection flange 123 may be provided with a plurality of grooves, and each groove may be sleeved with a sealing ring, so that a gap between the connection flange 123 and the protruding cover 32 may be reduced, and tightness between the connection flange 123 and the protruding cover 32 may be improved.

In some examples, a circle of groove may be provided on the outer side wall of the mounting seat 60, and a sealing ring may be sleeved in the groove, so that a gap between the mounting seat 60 and the valve body 20 may be reduced, and the tightness of the regulating valve 100 is improved.

In some examples, the connecting plate 122 may be provided with a plurality of through holes arranged at intervals, so that water can freely flow in the connecting column 121 and the mounting port, and the water can play a role in balancing pressure, so that the valve core 10 can normally move, and the working effect of the regulating valve 100 is improved.

As shown in fig. 2, 4 and 5, according to some embodiments of the present utility model, the valve cover 30 includes a cover body 31 and a mounting boss 33, the cover body 31 is fixedly connected with the valve body 20 through a fastener 70, the mounting boss 33 is disposed at a side (an upper side as shown in fig. 4) of the cover body 31 away from the valve body 20, the valve stem 40 is penetrated in the mounting boss 33, and a fit gap is formed between the valve stem 40 and the mounting boss 33, a packing 53 may be filled in the fit gap, and a packing gland 51 for pressing the packing 53 is disposed on the mounting boss 33, so that a probability of water passing through the fit gap can be reduced, water loss through the fit gap is prevented, and tightness of the regulating valve 100 is improved.

The elastic piece 52 is further disposed in the fit clearance, the elastic piece 52 may be respectively abutted against the packing 53 and the cover body 31, so as to apply a pretightening force to the packing 53, so that an influence of abrasion of the packing 53 on the tightness of the regulating valve 100 can be reduced, that is, the elastic piece 52 is in a compressed state, and after the packing 53 is abraded, the elastic piece 52 can apply an upward compressing force to the packing 53, so that the packing 53 can be compressed in the fit clearance, a sealing effect is ensured, and further the service life of the regulating valve 100 is prolonged, wherein the packing 53 can be made of carbon fiber, polytetrafluoroethylene, metal wire or ceramic and other materials.

In some examples, the elastic member 52 may be a spring, which is sleeved on the outer circumference of the valve rod 40, and is reliable and low in cost.

In some examples, the peripheral wall of the packing gland 51 may be interference fit with the inner sidewall of the mounting boss 33 to achieve a secure, secure effect on the packing gland 51; the outer peripheral wall of the packing gland 51 can be provided with external threads, the inner side wall of the mounting boss 33 can be provided with internal threads, and then the packing gland 51 can be in threaded connection with the mounting boss 33, so that the packing gland 51 can be fixed, and the dismounting is convenient.

Other constructions and operations of the regulator valve 100 according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein. In the description of the utility model, a "first feature" or "second feature" may include one or more of such features. The vertical direction, the horizontal direction, and the front-rear direction are defined by the vertical direction, the horizontal direction, and the front-rear direction in the drawing.

In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The valve core of the regulating valve comprises a valve body, wherein the valve body is provided with a water inlet flow channel and a water outlet flow channel, an installation seat is arranged between the water inlet flow channel and the water outlet flow channel, the valve core is characterized by comprising a water passing part which is movably arranged on the installation seat along a first direction, the water passing part is provided with a water passing port which is used for connecting or disconnecting the water inlet flow channel and the water outlet flow channel,

the surface of the water passing port is defined by the water passing portion and comprises a first guide surface, a second guide surface and a third guide surface, the extending direction of the first guide surface is perpendicular to the first direction, the second guide surface and the third guide surface respectively comprise two oppositely arranged edges, one end of each second guide surface is connected with the edge of the first guide surface in the length direction, the third guide surface extends along the first direction, one end of each third guide surface is connected with the other end of the second guide surface, the other end of each third guide surface extends to the edge of the water passing portion, and the minimum distance between the two third guide surfaces is larger than the maximum length of the first guide surface.

2. The valve cartridge of claim 1, wherein the second guide surface is planar and extends in a direction oblique to the third guide surface.

3. The valve cartridge of claim 1, wherein a length of the second guide surface is greater than a length of the third guide surface in the first direction.

4. The valve cartridge of claim 1, wherein the water port forms a flare.

5. The valve cartridge of claim 4, wherein two of said third guide surfaces of each of said water passages are perpendicular.

6. The valve core of the regulating valve according to claim 1, wherein the water passing portion comprises a top plate and a side wall plate, the side wall plate is arranged on the periphery of the top plate and is attached to the mounting seat, the side wall plate is provided with a plurality of water passing ports, the water passing ports are arranged at equal intervals along the circumferential direction of the side wall plate, the inner wall surface of the side wall plate is provided with first reinforcing ribs, and at least one first reinforcing rib is arranged between two adjacent water passing ports.

7. A regulator valve, comprising:

the valve body is provided with a water inlet flow channel and a water outlet flow channel, a mounting seat is arranged between the water inlet flow channel and the water outlet flow channel, and the valve body is provided with a mounting opening;

the valve cover is arranged on the valve body and is in sealing connection with the valve body;

the valve rod is arranged on the valve cover, one end of the valve rod extends into the valve body through the mounting opening,

the valve core comprises a water passing part and a connecting part, wherein the connecting part is connected with one end of the valve rod, the water passing part is arranged on the connecting part, the water passing part is movably arranged on the mounting seat along a first direction, and the water passing part is provided with a water passing port for communicating or disconnecting the water inlet flow channel with the water outlet flow channel.

8. The regulating valve according to claim 7, wherein the connecting portion comprises a connecting column and a connecting plate, one end of the connecting column is connected with the connecting plate, the other end of the connecting column is connected with the water passing portion, a mounting cavity is formed in the middle of the connecting column, a positioning surface is formed in one side, facing away from the connecting column, of the connecting plate, a limiting boss is arranged on the periphery of the valve rod, one end of the valve rod penetrates through the connecting plate to be fixedly connected with a fastener located in the mounting cavity, and the limiting boss is suitable for being in butt fit with the positioning surface.

9. The regulating valve according to claim 7, wherein the valve cover comprises a cover body and a protruding cover, the cover body and the valve body are fixedly connected through a fastener, the protruding cover is arranged on one side of the cover body, which is close to the valve body, the protruding cover is suitable for extending into the mounting opening, the outer periphery of the protruding cover is in sealing fit with the valve body, the outer periphery of the connecting portion is provided with a connecting flanging, and the connecting flanging is suitable for being inserted into the protruding cover and in sealing fit with the inner periphery of the protruding cover.

10. The regulating valve according to claim 7, wherein the valve cover comprises a cover body and a mounting boss, the cover body and the valve body are fixedly connected through a fastener, the mounting boss is arranged on one side of the cover body far away from the valve body, the valve rod is arranged in the mounting boss in a penetrating manner, a fit clearance is arranged between the valve rod and the mounting boss, filler is filled in the fit clearance, a filler gland for pressing the filler is arranged on the mounting boss,

and the elastic piece is respectively abutted with the filler and the cover body so as to apply pretightening force to the filler.