CN209743648U - Top-mounted double-eccentric hemispherical ball valve - Google Patents
Top-mounted double-eccentric hemispherical ball valve Download PDFInfo
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- CN209743648U CN209743648U CN201920322937.9U CN201920322937U CN209743648U CN 209743648 U CN209743648 U CN 209743648U CN 201920322937 U CN201920322937 U CN 201920322937U CN 209743648 U CN209743648 U CN 209743648U
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Abstract
The utility model discloses a two eccentric hemisphere ball valves of top loading formula, including valve body, spheroid, valve rod, valve gap, metal disk seat, support and handle, be provided with a runner that runs through in the valve body, the spheroid passes through the bearing and the graphite gasket is installed in the runner of valve body, is provided with the metal disk seat of laminating mutually with spheroidal outer wall in the runner, and the upper end of valve body is provided with the valve rod that is connected with spheroid one end, and the valve gap is connected through bearing and thrust gasket to the outer terminal surface of valve rod, and the one end of valve gap is passed through the double-screw bolt and is installed on the valve body, through connecting rod interconnect between. The utility model discloses simple structure, valve rod and spheroid adopt dismouting structure, are connected with threaded connection through the buckle of connecting rod and draw-in groove and accomplish the spheroid and the valve rod be connected or separate for whole ball valve is easily dismantled, and the dismouting is convenient, and online easy maintenance can realize valve rod and spheroid hookup location's clearance adjustment moreover, effectively avoids leading to stress inhomogeneous to make the valve rod rush out the external condition because of the joint gap, convenient and practical.
Description
Technical Field
The utility model relates to a ball valve technical field especially relates to a top mounted double-eccentric hemisphere ball valve.
Background
The valve is a control device of a fluid pipeline, and the basic functions of the valve are to connect or cut off the circulation of pipeline media, change the flowing direction of the media, adjust the pressure and the flow of the media and protect the normal operation of pipeline equipment. With the continuous development of modern industry, the demand of valves is continuously increasing. The most formula structures as an organic whole of ball valve that generally uses in the existing market, make valve rod and spheroid welding together, make a whole with the valve rod spheroid, make the integration of valve rod spheroid, will avoid this kind of all kinds of inefficacy that arouse because of clearance fit, simultaneously also can not make the valve rod rush out external, especially to the ball valve of old facial make-up formula valve rod, when using it to carry liquefied gas, when the ball valve is in the closed condition, the liquefied gas that deposits up in the valve body intracavity between the disk seat can be because of absorbing external heat and gasify in a large number, cause the intracavity pressure of coelom to rise unusually. This abnormal pressure rise may cause the valve stem to flush out of the body. However, the integrated valve seat in the prior art is inconvenient to maintain on line, and the application range of the product is small.
In order to overcome the not enough and defect among the background art, the utility model provides a top mounted formula double-eccentric hemisphere ball valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, easily dismantle and convenient top mounted formula double eccentric hemisphere ball valve who overhauls
The utility model discloses a realize through following technical scheme:
The utility model provides a top mounted double-eccentric hemisphere ball valve, includes valve body, spheroid, valve rod, valve gap, metal valve seat, support and handle, be provided with a runner that runs through in the valve body, the spheroid passes through the bearing and the graphite gasket is installed in the runner of valve body, be provided with the metal valve seat of laminating mutually with spheroidal outer wall in the runner, the upper end of valve body is provided with the valve rod that is connected with spheroid one end, the valve gap is connected through bearing and thrust gasket to the outer terminal surface of valve rod, the one end of valve gap is passed through the double-screw bolt and is installed on the valve body, a support is installed through double-screw bolt and nut to the other end of valve gap, install the handle through the locking plate on the support, through.
Further, the connecting rod sets up in spheroidal recess, and the recess setting is on the arch of the one end that the spheroid is connected with the valve rod, the high protrusion in protruding surface of connecting rod, set up the draw-in groove with connecting rod looks adaptation on the valve rod, the convex height of connecting rod is connected with the draw-in groove of valve rod.
Further, the connecting rod includes I and II, and II formation bilayer structures of II income poles are gone into in the embedding of I pole, the top protrusion in the top of II poles of I pole.
Furthermore, the rod I is in threaded connection with a clamping groove in the valve rod.
Further, the outer wall on I top of pole is provided with first screw thread, the top fluting and the inboard of the draw-in groove of valve rod are provided with the second screw thread with the first screw thread looks adaptation of pole I.
Further, the rod II is connected with a clamping groove in the valve rod in a clamping mode.
Further, the general structure of pole II is the lantern form, and the middle part card of pole II is in the notch position that advances of valve rod draw-in groove.
Furthermore, the middle part of the rod II is provided with an opening for adjusting the gap between the rod I and the clamping groove.
Further, one end of the handle is provided with a pin, the pin connects the key with the valve rod, and the handle drives the valve rod through the key.
Further, the metal valve seat is installed in the valve body in a threaded mode, and a graphite gasket is installed at the bottom of the metal valve seat.
The utility model has the advantages that: the utility model discloses simple structure, valve rod and spheroid adopt dismouting structure, are connected with threaded connection through the buckle of connecting rod and draw-in groove and accomplish the spheroid and the valve rod be connected or separate for whole ball valve is easily dismantled, and the dismouting is convenient, and online easy maintenance can realize valve rod and spheroid hookup location's clearance adjustment moreover, effectively avoids leading to stress inhomogeneous to make the valve rod rush out the external condition because of the joint gap, convenient and practical.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a of fig. 1.
Wherein: 1. the valve comprises a valve body, 2, a ball body, 3, a valve rod, 4, a valve cover, 5, a metal valve seat, 6, a support, 7, a handle, 8, a bearing, 9, a graphite gasket, 10, a thrust gasket, 11, a stud, 12, a nut, 13, a locking plate, 14, a protrusion, 15, a groove, 16, a connecting rod, 17, a clamping groove, 18, a pin, 19, a key, 161, a rod I, 162 and a rod II.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 and 2, a top-mounted double eccentric hemispherical ball valve comprises a valve body 1, a ball body 2, a valve rod 3, a valve cover 4, a metal valve seat 5, a support 6 and a handle 7, wherein a through flow channel is arranged in the valve body 1, the ball body 2 is installed in the flow channel of the valve body 1 through a bearing 8 and a graphite gasket 9, the metal valve seat 5 attached to the outer wall of the ball body 2 is arranged in the flow channel, the sealing surface of the ball body 2 and the sealing surface of the metal valve seat 5 are closely attached to meet the sealing requirement, when the valve is opened, the spherical surface of the ball body 2 can be separated from the sealing surface of the metal valve seat 5 to reduce the abrasion of the sealing surface of the valve and the opening torque of the valve, the valve rod 3 connected with one end of the ball body 2 is arranged at the upper end of the valve body 1, the outer end surface of the valve rod 3 is connected with the valve cover 4, the bracket 6 is provided with a handle 7 through a locking plate 13, and the valve rod 3 and the ball body 1 are connected with each other through a connecting rod 16.
In this embodiment, the connecting rod 16 is disposed in the groove 15 of the ball 2, the groove 15 is disposed on the protrusion 14 at the end of the ball 2 connected to the valve rod 3, the height of the connecting rod 16 protrudes from the surface of the protrusion 14, the valve rod 3 is provided with a clamping groove 17 adapted to the connecting rod 16, and the protruding height of the connecting rod 16 is connected to the clamping groove 17 of the valve rod 3.
In the present embodiment, the connecting rod 16 comprises a rod I161 and a rod II 162, wherein the rod I161 is embedded into the rod II 162 to form a double-layer structure, and the top end of the rod I161 protrudes out of the top end of the rod II 162.
In this embodiment, the draw-in groove 17 on I161 of pole and the valve rod 3 is threaded connection, and the outer wall on I161 top of pole is provided with first screw thread, and the top fluting of the draw-in groove 17 of valve rod 3 and inboard are provided with the second screw thread with the first screw thread looks adaptation of I161 of pole.
In this embodiment, the draw-in groove 17 on II 162 of pole and the valve rod 3 is connected for the buckle, and the gross structure of II 162 of pole is the lantern form, and the middle part card of II 162 of pole is in the notch position that advances of 3 draw-in grooves 17 of valve rod, and the middle part of II 162 of pole is equipped with the opening that is used for adjusting I161 of pole and draw-in groove 17 clearance, and the connection clearance between reduction valve rod 3 and the spheroid 2 as far as possible effectively reduces and has the clearance because of 3 of valve rod and spheroid 2 are connected and lead to stress inhomogeneous for valve rod 3 dashes out the external condition.
In the time of actual operation, 16 embedding of connecting rod on the spheroid 2 advance in the draw-in groove 17 of valve rod 3 until the middle part card of pole II 162 forms fixedly at the notch position of advancing of valve rod 3 draw-in groove 17, make its installation that can closely accomplish valve rod 3 and spheroid 2 of being connected through the clearance of opening adjusting lever I161 on pole II 162 and draw-in groove 17, when the dismouting ball valve, only need through the opening on the pole II 162 with I161 of pole unscrewing draw-in groove 17, hard again with II 162 of pole break away from the draw-in groove 17 notch can, whole easy operation is convenient, the dismouting of easy whole ball valve, easy maintenance on line.
In this embodiment, one end of the handle 7 is provided with a pin 18, the pin 18 connects a key 19 with the valve stem 3, the handle 7 drives the valve stem 3 through the key 19, and the rotation of the sphere 2 is controlled through the valve stem 3.
In this embodiment, the metal valve seat 5 is installed in the valve body 1 in a threaded manner, and the graphite gasket 9 is installed at the bottom of the metal valve seat 5, so that the sealing and fireproof performances are high.
The utility model has the advantages that: the utility model discloses simple structure, valve rod and spheroid adopt dismouting structure, are connected with threaded connection through the buckle of connecting rod and draw-in groove and accomplish the spheroid and the valve rod be connected or separate for whole ball valve is easily dismantled, and the dismouting is convenient, and online easy maintenance can realize valve rod and spheroid hookup location's clearance adjustment moreover, effectively avoids leading to stress inhomogeneous to make the valve rod rush out the external condition because of the joint gap, convenient and practical.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a two eccentric hemisphere ball valves of top mounted formula, includes valve body, spheroid, valve rod, valve gap, metal valve seat, support and handle, its characterized in that: the improved ball valve is characterized in that a through flow channel is arranged in the valve body, the ball body is installed in the flow channel of the valve body through a bearing and a graphite gasket, a metal valve seat attached to the outer wall of the ball body is arranged in the flow channel, a valve rod connected with one end of the ball body is arranged at the upper end of the valve body, the outer end face of the valve rod is connected with the valve cover through the bearing and the thrust gasket, one end of the valve cover is installed on the valve body through a stud, a support is installed at the other end of the valve cover through the stud and a nut, a handle is installed on the support through a locking plate.
2. the top-loading double eccentric hemispherical ball valve according to claim 1, wherein: the connecting rod sets up in spheroidal recess, and the recess setting is on the arch of the one end that the spheroid is connected with the valve rod, the high protrusion in the protruding surface of connecting rod, set up the draw-in groove with connecting rod looks adaptation on the valve rod, the convex height of connecting rod is connected with the draw-in groove of valve rod.
3. The top-loading double eccentric hemispherical ball valve according to claim 2, wherein: the connecting rod includes I and II poles, and II formation bilayer structures of pole are gone into in I embedding of pole, the top protrusion in the top of II poles of I pole.
4. A top-loading double eccentric hemispherical ball valve as claimed in claim 3, wherein: the rod I is in threaded connection with a clamping groove in the valve rod.
5. The top-loading double eccentric hemispherical ball valve according to claim 4, wherein: the outer wall on I top of pole is provided with first screw thread, the top fluting and the inboard of the draw-in groove of valve rod are provided with the second screw thread with the first screw thread looks adaptation of pole I.
6. A top-loading double eccentric hemispherical ball valve as claimed in claim 3, wherein: the rod II is connected with the clamping groove in the valve rod through a buckle.
7. The top-loading double eccentric hemispherical ball valve according to claim 6, wherein: the general structure of the rod II is in a lantern shape, and the middle part of the rod II is clamped at the position of a notch of the valve rod clamping groove.
8. The top-loading double eccentric hemispherical ball valve according to claim 7, wherein: the middle part of the rod II is provided with an opening for adjusting the gap between the rod I and the clamping groove.
9. The top-loading double eccentric hemispherical ball valve according to claim 1, wherein: one end of the handle is provided with a pin, the pin connects the key with the valve rod, and the handle drives the valve rod through the key.
10. The top-loading double eccentric hemispherical ball valve according to claim 1, wherein: the metal valve seat is installed in the valve body in a threaded mode, and a graphite gasket is installed at the bottom of the metal valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920322937.9U CN209743648U (en) | 2019-03-14 | 2019-03-14 | Top-mounted double-eccentric hemispherical ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920322937.9U CN209743648U (en) | 2019-03-14 | 2019-03-14 | Top-mounted double-eccentric hemispherical ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN209743648U true CN209743648U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920322937.9U Active CN209743648U (en) | 2019-03-14 | 2019-03-14 | Top-mounted double-eccentric hemispherical ball valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253833A (en) * | 2020-10-13 | 2021-01-22 | 天虹阀门科技（泉州）有限公司 | Top-mounted eccentric half-ball valve |
-
2019
- 2019-03-14 CN CN201920322937.9U patent/CN209743648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253833A (en) * | 2020-10-13 | 2021-01-22 | 天虹阀门科技（泉州）有限公司 | Top-mounted eccentric half-ball valve |
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