CN212959955U - Upper-mounted valve rod structure of split floating ball valve - Google Patents
Upper-mounted valve rod structure of split floating ball valve Download PDFInfo
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- CN212959955U CN212959955U CN202021457512.8U CN202021457512U CN212959955U CN 212959955 U CN212959955 U CN 212959955U CN 202021457512 U CN202021457512 U CN 202021457512U CN 212959955 U CN212959955 U CN 212959955U
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- valve
- valve rod
- floating ball
- rod
- split
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Abstract
The utility model discloses a split type floating ball valve's facial make-up valve rod structure, which comprises a ball body, spheroidal top is provided with the valve rod, be provided with sealed the pad between valve body and the valve gap, the lateral wall of valve rod is provided with the split ring, spheroidal lateral wall is provided with the disk seat, the left side wall of disk seat is provided with the valve gap, the right side wall of disk seat is provided with the valve body, the valve body top is provided with gland, gland's bottom is provided with the filler, and the surface of filler is laminated mutually with the surface of valve body, valve rod, the top of valve rod is provided with the handle, and the handle passes through screw and valve rod fixed connection. The utility model discloses, rational in infrastructure, there is pressure in the valve lumen to lead to the valve rod to remove to the direction of packing, and the mounting structure that adopts the facial make-up valve rod to simplify the ball valve makes ball valve structure assembly easier.
Description
Technical Field
The utility model relates to a ball valve field that floats especially relates to a split type ball valve that floats's facial make-up formula valve rod structure.
Background
The ball body of the floating ball valve is floating, and under the action of medium pressure, the ball body can generate certain displacement and is tightly pressed on a sealing surface of the outlet end, so that the outlet end is sealed.
The existing integral valve rod with the anti-blowout shoulder can only be installed in an inner cavity of a valve body, the length of the integral valve rod with the shoulder is determined by the size of the space of the inner cavity of the valve body, and certain difficulty is brought to the manufacturing production of small-caliber floating ball valves and high-temperature floating ball valves.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a top-mounted valve rod structure of a split floating ball valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a split type ball valve's facial make-up valve rod structure that floats, includes the spheroid, spheroidal top is provided with the valve rod, the lateral wall of valve rod is provided with the split ring, spheroidal lateral wall is provided with the disk seat, the left side wall of disk seat is provided with the valve gap, the right side wall of disk seat is provided with the valve body, be provided with sealed the pad between valve body and the valve gap, the valve body top is provided with gland, gland's bottom is provided with the filler, and the surface of filler is laminated with the surface of valve body, valve rod mutually.
As a further description of the above technical solution:
the top of valve rod is provided with the handle, and the handle passes through screw and valve rod fixed connection.
As a further description of the above technical solution:
the top of gland is provided with the stopper, and the internal surface of stopper and the surface of valve rod are laminated mutually.
As a further description of the above technical solution:
the bottom of handle is provided with the circlip for the axle, and the lower surface of circlip for the axle laminates with the upper surface of stopper mutually.
As a further description of the above technical solution:
the top of the split ring is provided with a thrust bearing, and the inner surface of the thrust bearing is attached to the outer surface of the valve rod.
As a further description of the above technical solution:
a plurality of hole grooves are formed in the valve rod, and springs and round balls are arranged inside the hole grooves.
The utility model discloses following beneficial effect has:
1. compared with the prior art, this split type ball valve that floats's facial make-up valve rod structure, the structural design of valve rod has prevents blowing off the circular bead, even there is pressure in the valve lumen, the valve rod moves toward the direction of packing under the pressure effect, the circular bead compresses tightly footstep bearing and pastes tightly on the circular bead plane on the valve body on the valve rod, this ball valve that floats is rational in infrastructure, can avoid the valve lumen to have pressure to lead to the valve rod to remove to the direction of packing, the mounting structure that the ball valve has been simplified to the adoption facial make ball valve structure assemble easier.
2. Compared with the prior art, this upper assembling type valve rod structure of split type ball valve that floats adopts the upper assembling valve rod, and the length of valve rod just does not receive the influence of valve body inner chamber size, but the circular bead just can not be designed into and become whole with the valve rod to preventing of valve rod. Therefore, a groove is designed on the valve rod, before the valve seat and the ball body are not arranged in the valve body, the valve rod is arranged from the top of the valve body, the thrust bearing and the designed split ring are sequentially arranged in the open groove of the valve rod from the valve middle cavity and sleeved in the open groove, the head part of the handle arranged on the valve rod is clamped by a spanner and pulled outwards, after the split ring on the valve rod is flattened with the specific shoulder of the valve body, the valve seat, the ball body, the valve cover valve seat and the valve cover are sequentially arranged in the valve body, the valve body and the valve cover are connected by using connecting bolts and nuts, and the assembly of the floating ball valve with the improved anti-blowout shoulder valve rod is completed by arranging the packing.
Drawings
Fig. 1 is a schematic view of an internal structure of an upper-mounted valve rod structure of a split floating ball valve according to the present invention;
fig. 2 is an enlarged view of a structure in fig. 1 according to the present invention.
Illustration of the drawings:
1. a sphere; 2. a valve cover; 3. a valve stem; 4. a gasket; 5. a split ring; 6. a filler; 7. a handle; 8. a circlip for the shaft; 9. a limiting block; 10. a packing gland; 11. a valve body; 12. a thrust bearing; 13. a valve seat.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, the utility model provides a pair of split type floating ball valve's facial make-up valve rod structure: including spheroid 1, spheroid 1's top is provided with valve rod 3, valve rod 3's lateral wall is provided with split ring 5, spheroid 1's lateral wall is provided with disk seat 13, disk seat 13's left side wall is provided with valve gap 2, disk seat 13's right side wall is provided with valve body 11, be provided with sealed 4 between valve body 11 and the valve gap 2, valve body 11 top is provided with gland 10, gland 10's bottom is provided with filler 6, and filler 6's surface and valve body 11, valve rod 3's surface is laminated mutually, make the ball valve rational in infrastructure, it has pressure to lead to valve rod 3 to blow off to avoid the valve lumen.
The top of valve rod 3 is provided with handle 7, and handle 7 passes through screw and 3 fixed connection of valve rod, gland 10's top is provided with stopper 9, and stopper 9's internal surface and the surface of valve rod 3 laminate mutually, split ring 5's top is provided with footstep bearing 12, and footstep bearing 12's internal surface and valve rod 3's surface laminate mutually, a plurality of hole grooves have been seted up to valve rod 3's inside, and the inside spring and the ball that is provided with of hole groove, connect each part and make the ball valve structure more complete, avoid the valve lumen to have in the pressure valve rod 3 to blow off.
The working principle is as follows: when in use, the split floating ball valve is composed of a valve body 11, a valve cover 2, a ball body 1, a valve rod 3, a valve seat 13, a handle 7, a packing gland 10, a limiting block 9 and the like, the packing 6 needs to be periodically replaced or added along with the fluctuation of pressure in the use process of the valve, therefore, when the packing 6 needs to be replaced or added, the packing gland 10, the handle 7 and the like need to be taken down, the middle cavity of the valve has the pressure and tends to blow off the valve rod 3 under the condition that the valve cannot be stopped, the valve rod 3 needs to be structurally designed with an anti-blow-off shoulder, even if the middle cavity of the valve has the pressure, the valve rod 3 moves towards the packing 6 under the action of the pressure, the shoulder on the valve rod 3 presses the thrust bearing 12 and is attached to the shoulder plane on the valve body 11, therefore, the valve rod 3 of the valve is required to have the anti-blow-off structure in the product standard and the, however, the blowout prevention shoulder of the valve rod 3 cannot be designed to be integrated with the valve rod 3, so a groove is designed on the valve rod 3, the valve rod 3 is installed from the top of the valve body 11 before the valve seat 13 and the ball body 1 are installed in the valve body 11, the thrust bearing 12 and the designed split ring 5 are sequentially installed in the open groove of the valve rod 3 from the valve middle cavity and sleeved with the open groove of the valve rod 3, the head of the handle 7 installed on the valve rod 3 is clamped by a wrench and pulled outwards, after the split ring 5 on the valve rod 3 is flattened with the specific shoulder of the valve body 11, the valve seat 13, the ball body 1, the valve cover valve seat and the valve cover 2 are sequentially installed on the valve body 11, the valve body 11 and the valve cover 2 are connected by using connecting bolts and nuts, and the floating ball valve for improving the blowout prevention shoulder 3 is assembled after the packing 6, the packing gland 10.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a split type floating ball valve's facial make-up valve rod structure, includes spheroid (1), its characterized in that: the top of spheroid (1) is provided with valve rod (3), the lateral wall of valve rod (3) is provided with split ring (5), the lateral wall of spheroid (1) is provided with disk seat (13), the left side wall of disk seat (13) is provided with valve gap (2), the right side wall of disk seat (13) is provided with valve body (11), be provided with sealed pad (4) between valve body (11) and valve gap (2), valve body (11) top is provided with gland (10), the bottom of gland (10) is provided with filler (6), and the surface of filler (6) laminates with the surface of valve body (11), valve rod (3) mutually.
2. The upper-mounted valve stem structure of a split floating ball valve according to claim 1, wherein: the top of valve rod (3) is provided with handle (7), and handle (7) pass through screw and valve rod (3) fixed connection.
3. The upper-mounted valve stem structure of a split floating ball valve according to claim 1, wherein: the top of gland (10) is provided with stopper (9), and the internal surface of stopper (9) and the surface of valve rod (3) are laminated mutually.
4. The upper-mounted valve stem structure of a split floating ball valve according to claim 2, wherein: the bottom of handle (7) is provided with circlip (8) for the axle, and the lower surface of circlip (8) for the axle laminates with the upper surface of stopper (9) mutually.
5. The upper-mounted valve stem structure of a split floating ball valve according to claim 1, wherein: the top of the split ring (5) is provided with a thrust bearing (12), and the inner surface of the thrust bearing (12) is attached to the outer surface of the valve rod (3).
6. The upper-mounted valve stem structure of a split floating ball valve according to claim 1, wherein: a plurality of hole grooves are formed in the valve rod (3), and springs and round balls are arranged in the hole grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021457512.8U CN212959955U (en) | 2020-07-22 | 2020-07-22 | Upper-mounted valve rod structure of split floating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021457512.8U CN212959955U (en) | 2020-07-22 | 2020-07-22 | Upper-mounted valve rod structure of split floating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959955U true CN212959955U (en) | 2021-04-13 |
Family
ID=75395033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021457512.8U Active CN212959955U (en) | 2020-07-22 | 2020-07-22 | Upper-mounted valve rod structure of split floating ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212959955U (en) |
-
2020
- 2020-07-22 CN CN202021457512.8U patent/CN212959955U/en active Active
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