CN213839656U - Ball valve structure with A-shaped flow distribution plate - Google Patents
Ball valve structure with A-shaped flow distribution plate Download PDFInfo
- Publication number
- CN213839656U CN213839656U CN202023044971.6U CN202023044971U CN213839656U CN 213839656 U CN213839656 U CN 213839656U CN 202023044971 U CN202023044971 U CN 202023044971U CN 213839656 U CN213839656 U CN 213839656U
- Authority
- CN
- China
- Prior art keywords
- valve
- distribution plate
- flow distribution
- valve core
- baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a ball valve structure with A-shaped flow distribution plate, which comprises a valve body with a cavity, a valve core arranged in the cavity, a valve rod used for rotating the valve core, a first ring baffle arranged at the left end of the cavity, and a flow distribution plate arranged at the inner side of the first ring baffle and extending to the radial inner side of the first ring baffle; in the front view direction of the flow distribution plate, two intersection points E, F exist between the flow distribution plate and the inner circle of the first circular baffle plate; the side line l and the connecting line EF which are not overlapped with the first circular ring baffle on the flow distribution plate form any one of an arch shape, a triangle shape or a trapezoid shape, and two side surfaces of the flow distribution plate are arc surfaces or planes.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to take ball valve structure of A type flow distribution plate.
Background
In heating, air conditioning and industrial systems, a large number of control valves exist, and in order to realize the function of accurately adjusting the flow, the control valves are often required to have an equal-percentage adjustment performance curve.
In the prior art, in order to realize the functions, a valve core of a common ball valve generally needs to be processed, but a series of structural processing such as a flow channel is needed when the valve core is processed, and if a valve plate structure is cast on the flow channel, the processing difficulty coefficient of the valve core is increased, and the processing cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a take ball valve structure of A type flow distribution plate.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a ball valve structure with an A-shaped flow distribution plate comprises a valve body with a cavity, a valve core arranged in the cavity, a valve rod used for rotating the valve core, a first circular baffle plate arranged at the left end of the cavity, and a flow distribution plate arranged on the inner side of the first circular baffle plate and extending to the radial inner side of the first circular baffle plate; in the front view direction of the flow distribution plate, two intersection points E, F exist between the flow distribution plate and the inner circle of the first circular baffle plate; the side line l and the connecting line EF which are not overlapped with the first circular ring baffle on the flow distribution plate form any one of an arch shape, a triangle shape or a trapezoid shape, and two side surfaces of the flow distribution plate are arc surfaces or planes.
Further, the minimum clearance L between the valve core and the flow distribution plate in the rotating process is 2-5 mm; the front view of the flow distribution plate is of an axisymmetric structure, one side of the flow distribution plate, which is close to the valve core, is a side surface B, a vertical plane which passes through a symmetric axis of the flow distribution plate and is vertical to the side surface B is provided with an intersection line d, and an included angle X between the intersection line d and the axis of the first circular baffle plate ranges from 65 degrees to 85 degrees; the maximum height a of the flow distribution plate is 0.19D-0.22D, and the maximum length b of the flow distribution plate is 0.4D-0.6D; where D is the nominal diameter of the ball valve.
Furthermore, a first mounting hole and a second mounting hole which are perpendicular to the axial direction of the valve body are formed in the valve body, and the first mounting hole and the second mounting hole penetrate through the valve body and communicate the cavity with the external space.
Further, the valve stem comprises a first valve stem; the first valve rod is arranged in the first mounting hole, and one end of the first valve rod is fixedly connected with the valve core.
The bottom cover is provided with a bottom cover groove, the bottom cover is fixedly arranged in the second mounting hole, and the bottom cover groove faces the valve core; the valve stem comprises a second valve stem; one end of the second valve rod is fixedly connected with the valve core, and the other end of the second valve rod is placed in the groove of the bottom cover.
Further, the cavity circumferential surface on the right side of the valve core protrudes inwards in the radial direction to form a second circumferential convex edge; the valve core is provided with a cavity, and the cavity is internally provided with a valve core; the second annular groove faces the valve core, one end of the second spring tightly props one side of the second circumferential convex edge close to the valve core, and the other end of the second spring tightly props one side of the second annular baffle far away from the valve core; one side of the second sealing gasket, which is far away from the second circular ring baffle, is tightly attached to the surface of the valve core.
Further, the valve seat is provided with a through hole and arranged on the left side of the valve core, the valve seat is screwed into the cavity on the left side of the valve core through threads, and the circumferential surface of the valve seat installation hole protrudes inwards along the radial direction to form a first circumferential convex edge; the first annular baffle is provided with a first annular groove facing the valve core; the first sealing gasket is arranged in the first annular groove, and the first spring is arranged in the first annular groove; one end of the first spring tightly supports one side of the first circumferential convex edge close to the valve core, and the other end of the first spring tightly supports and contacts one side of the first annular baffle far away from the valve core; one side of the first sealing gasket, which is far away from the first circular ring baffle, is tightly attached to the surface of the valve core.
Compared with the prior art, the utility model has the advantages that:
1. the utility model discloses a set up the flow distribution plate on the ring baffle before the ball valve, can cooperate the rotation of case, realize the hundred than flow curve regulation such as, solve the problem that the processing degree of difficulty coefficient that current centering ball valve exists is big, the processing cost is high, the structure is complicated and life is short.
2. The flow distribution plate is not in contact with the valve core and is not easy to wear, and the service life is prolonged.
Drawings
Fig. 1 is a cross-sectional view of the whole of the present invention;
FIG. 2 is a schematic structural view of the valve cartridge of the present invention;
FIG. 3 is a size view of the distribution plate of the present invention;
FIG. 4 is a sectional view taken in the direction G-G of FIG. 3;
FIG. 5 is a perspective view of the flow distribution plate of the present invention;
fig. 6 is a front view of a first embodiment of the flow distribution plate of the present invention;
fig. 7 is a front view of a second embodiment of the flow distribution plate of the present invention;
FIG. 8 is a sectional view taken in the direction H-H in FIG. 7;
fig. 9 is a front view of a third embodiment of the flow distribution plate of the present invention.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
The ball valve needs to realize the adjusting function of a specific curve, a flow distribution window structure is generally required to be arranged on a valve core flow passage, the processing difficulty coefficient is large, and the cost is high.
As shown in fig. 1-6, the present embodiment provides a ball valve structure with an a-type flow distribution plate, which includes a valve body 1 having a cavity 15, a valve core 3 disposed in the cavity, a valve rod for rotating the valve core, a first annular baffle 61 disposed at the left end of the cavity, and a flow distribution plate 63 disposed inside the first annular baffle and extending radially inward of the first annular baffle; in the front view direction of the flow distribution plate, two intersection points E, F exist between the flow distribution plate and the inner circle of the first circular baffle plate; the side line l and the connecting line EF which are not overlapped with the first circular ring baffle on the flow distribution plate form any one of an arch shape, a triangle shape or a trapezoid shape, and two side surfaces of the flow distribution plate are arc surfaces or planes.
When viewed from the front view of the flow distribution plate, the flow distribution plate is similar to a type a no matter which of the arch, the triangle or the trapezoid is formed by the side line l and the connecting line EF.
The flow distribution plate is arranged on the circular ring baffle plate in front of the ball valve, so that the flow distribution plate can be matched with the rotation of the valve core to realize equal-hundred-ratio flow curve adjustment; the problems of large processing difficulty coefficient, high processing cost, complex structure and short service life of the existing centering ball valve are solved.
As shown in fig. 7-9, the flow distribution plate of the present invention has three embodiments, wherein the side line l and the connection line EF form an arch in the first embodiment, the side line l and the connection line EF form a triangle in the second embodiment, and the side line l and the connection line EF form a trapezoid.
As shown in fig. 3, the minimum clearance L between the valve core and the flow distribution plate in the rotation process is 2-5 mm; the front view of the flow distribution plate is of an axisymmetric structure, one side of the flow distribution plate, which is close to the valve core, is a side surface B, a vertical plane which passes through a symmetric axis of the flow distribution plate and is vertical to the side surface B is provided with an intersection line d, and an included angle X between the intersection line d and the axis of the first circular baffle plate ranges from 65 degrees to 85 degrees; the maximum height a of the flow distribution plate is 0.19D-0.22D, and the maximum length b of the flow distribution plate is 0.4D-0.6D; where D is the nominal diameter of the ball valve.
The data are the optimal flow distribution plate size obtained after repeated experiments, and the adjustment function of a specific curve can be realized.
The two side surfaces of the flow distribution plate are arc surfaces or planes, and the two side surfaces of the flow distribution plate are one surface of the flow distribution plate close to the valve core and one surface of the flow distribution plate far away from the valve core.
The valve core is provided with a through flow channel, a third mounting hole 31 and a fourth mounting hole 32 which are communicated with the flow channel, and the flow channel is communicated with the cavity.
As shown in fig. 1, a first mounting hole 11 and a second mounting hole 12 are formed in the valve body and are perpendicular to the axial direction of the valve body, and both the first mounting hole and the second mounting hole penetrate through the valve body and communicate the cavity with the external space.
As shown in fig. 1, the valve stem includes a first valve stem 41; the first valve rod is arranged in the first mounting hole, and one end of the first valve rod is fixedly connected with the valve core.
As shown in fig. 1, includes a bottom cap 8 having a bottom cap recess 81, the bottom cap being fixedly mounted in the second mounting hole with the bottom cap recess facing the valve cartridge; the valve stems include a second valve stem 42; one end of the second valve rod is fixedly connected with the valve core, and the other end of the second valve rod is placed in the groove of the bottom cover.
The first valve rod is fixedly connected with the valve core through a third mounting hole, and the second valve rod is fixedly connected with the valve core through a fourth mounting hole.
The base is fixedly connected with the valve body through bolts.
The valve core is driven to rotate relative to the valve body by rotating the valve rod, and in the rotating process of the valve core, the communication area of the flow channel in the valve core and the through hole in the valve seat can be changed, so that the opening and closing of the ball valve and the adjustment of the flow rate are realized.
The regulation of the specific flow curve can be realized through the matching of the A-type flow distribution window and the valve core.
The flow distribution window and the first annular baffle plate can be integrally cast, and can also be connected in a welding mode and the like.
As shown in fig. 1, the cavity circumferential surface on the right side of the valve core protrudes radially inwards to form a second circumferential protruding edge 13; a second annular baffle 62 having a second annular groove and disposed on the right side of the spool in the cavity, a second seal 52 disposed in the second annular groove, and a second spring 72; the second annular groove faces the valve core, one end of the second spring tightly props one side of the second circumferential convex edge close to the valve core, and the other end of the second spring tightly props one side of the second annular baffle far away from the valve core; one side of the second sealing gasket, which is far away from the second circular ring baffle, is tightly attached to the surface of the valve core.
As shown in fig. 1, the valve seat 2 which is provided with a through hole 21 and is arranged at the left side of the valve core is included, the valve seat is screwed into a cavity at the left side of the valve core through threads, and the circumferential surface of the valve seat installation hole protrudes inwards along the radial direction to form a first circumferential convex edge 14; the first annular baffle is provided with a first annular groove facing the valve core; further comprising a first gasket 51 disposed in the first annular groove, and a first spring; one end of the first spring tightly supports one side of the first circumferential convex edge close to the valve core, and the other end of the first spring tightly supports and contacts one side of the first annular baffle far away from the valve core; one side of the first sealing gasket, which is far away from the first circular ring baffle, is tightly attached to the surface of the valve core.
The utility model provides a "left side", "right" the homogeneous phase is to the structure in figure 1.
On the whole, the valve core is located in the middle, the first circular ring baffle and the second circular ring baffle are buckled on two sides of the valve core, the first circular ring baffle is pressed towards the valve core by the first spring, the second circular ring baffle is pressed towards the valve core by the second spring, the two circular ring baffles are not in direct contact with the valve core, and a sealing gasket is arranged between each circular ring baffle and the valve core.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a take ball valve structure of A type flow distribution plate which characterized in that: the valve comprises a valve body (1) with a cavity (15), a valve core (3) arranged in the cavity, a valve rod used for rotating the valve core, a first circular baffle (61) arranged at the left end of the cavity, and a flow distribution plate (63) arranged on the inner circular surface of the first circular baffle and extending to the radial inner side of the first circular baffle; in the front view direction of the flow distribution plate, two intersection points E, F exist between the flow distribution plate and the inner circle of the first circular baffle plate; the side line l and the connecting line EF which are not overlapped with the first circular ring baffle on the flow distribution plate form any one of an arch shape, a triangle shape or a trapezoid shape, and two side surfaces of the flow distribution plate are arc surfaces or planes.
2. The ball valve structure with an a-type flow distributor according to claim 1, wherein: the minimum clearance L between the valve core and the flow distribution plate in the rotation process is 2-5 mm; the flow distribution plate is of an axisymmetric structure, one side of the flow distribution plate, which is close to the valve core, is a side surface B, a vertical plane which passes through a symmetric axis of the flow distribution plate and is vertical to the side surface B is provided with an intersection line d, and an included angle X between the intersection line d and the axis of the first circular baffle is 65-85 degrees; the maximum height a of the flow distribution plate is 0.19D-0.22D, and the maximum length b of the flow distribution plate is 0.4D-0.6D; where D is the nominal diameter of the ball valve.
3. The ball valve structure with an a-type flow distributor according to claim 1, wherein: a first mounting hole (11) and a second mounting hole (12) which are perpendicular to the axial direction of the valve body are formed in the valve body, and the first mounting hole and the second mounting hole penetrate through the valve body and communicate the cavity with the external space.
4. A ball valve structure with an a-plate valve according to claim 3, wherein: the valve stem comprises a first valve stem (41); the first valve rod is arranged in the first mounting hole, and one end of the first valve rod is fixedly connected with the valve core.
5. A ball valve structure with an a-plate valve according to claim 3, wherein: the bottom cover (8) is provided with a bottom cover groove (81), the bottom cover is fixedly arranged in the second mounting hole, and the bottom cover groove faces the valve core; the valve stem comprises a second valve stem (42); one end of the second valve rod is fixedly connected with the valve core, and the other end of the second valve rod is placed in the groove of the bottom cover.
6. The ball valve structure with an a-type flow distributor according to claim 1, wherein: the circumferential surface of the cavity on the right side of the valve core protrudes inwards along the radial direction to form a second circumferential convex edge (13); the valve also comprises a second annular baffle (62) which is provided with a second annular groove and is arranged on the right side of the valve core in the cavity, a second sealing gasket (52) arranged in the second annular groove, and a second spring (72); the second annular groove faces the valve core, one end of the second spring tightly props one side of the second circumferential convex edge close to the valve core, and the other end of the second spring tightly props one side of the second annular baffle far away from the valve core; one side of the second sealing gasket, which is far away from the second circular ring baffle, is tightly attached to the surface of the valve core.
7. The ball valve structure with an a-type flow distributor according to claim 1, wherein: the valve seat is provided with a through hole (21) and is arranged on the left side of the valve core, the valve seat is screwed into a cavity on the left side of the valve core through threads, and the circumferential surface of the valve seat mounting hole protrudes inwards along the radial direction to form a first circumferential convex edge (14); the first annular baffle is provided with a first annular groove facing the valve core; the first sealing gasket (51) is arranged in the first annular groove, and the first spring is arranged; one end of the first spring tightly supports one side of the first circumferential convex edge close to the valve core, and the other end of the first spring tightly supports and contacts one side of the first annular baffle far away from the valve core; one side of the first sealing gasket, which is far away from the first circular ring baffle, is tightly attached to the surface of the valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023044971.6U CN213839656U (en) | 2020-12-16 | 2020-12-16 | Ball valve structure with A-shaped flow distribution plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023044971.6U CN213839656U (en) | 2020-12-16 | 2020-12-16 | Ball valve structure with A-shaped flow distribution plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839656U true CN213839656U (en) | 2021-07-30 |
Family
ID=76998508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023044971.6U Active CN213839656U (en) | 2020-12-16 | 2020-12-16 | Ball valve structure with A-shaped flow distribution plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839656U (en) |
-
2020
- 2020-12-16 CN CN202023044971.6U patent/CN213839656U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100840007B1 (en) | Shut-off fitting and shut-off element for the same | |
| KR102408886B1 (en) | Valve Core Assembly | |
| US2533931A (en) | Valve assembly | |
| US20140209828A1 (en) | Flow characterizing device and ball valve with such a flow characterizing device | |
| CN213839656U (en) | Ball valve structure with A-shaped flow distribution plate | |
| US10816100B2 (en) | Sealing member for a multi-direction changeover valve and a multi-direction changeover valve including the sealing member | |
| EP4080094A1 (en) | Ball valve | |
| US11280414B2 (en) | Plug valve hard seals on cylinder wall | |
| US9671021B2 (en) | Arrangement of an oblique-contact seal in a trapezoidal groove | |
| CA2506816A1 (en) | Seat ring for valves | |
| KR20190139947A (en) | Valve body for annular valve and annular valve | |
| CN111102381A (en) | Novel assembly welding valve | |
| US3779512A (en) | Stamped-disc butterfly valve | |
| CN112013134A (en) | Control valve | |
| US20240151314A1 (en) | Electric valve | |
| CN210949924U (en) | Floating adjusting structure for butterfly valve sealing ring | |
| US5044605A (en) | Flow-control and shutoff valve | |
| US5833212A (en) | Vacuum valve | |
| GB2186665A (en) | Valve member | |
| CN219588415U (en) | Vacuum pump check valve assembly for semiconductor equipment | |
| CN114719036B (en) | Constant flow valve | |
| CN216843298U (en) | Gas pipeline self-closing valve | |
| CN211624315U (en) | Valve core of positive pressure regulating type balance valve | |
| CN217951227U (en) | Shaft sealing structure and screw valve with same | |
| CN104567137A (en) | Electronic expansion valve and assembling method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |