CN211231667U - Welding type eccentric half ball valve - Google Patents
Welding type eccentric half ball valve Download PDFInfo
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- CN211231667U CN211231667U CN201921499161.4U CN201921499161U CN211231667U CN 211231667 U CN211231667 U CN 211231667U CN 201921499161 U CN201921499161 U CN 201921499161U CN 211231667 U CN211231667 U CN 211231667U
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- valve rod
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Abstract
The utility model discloses a welded eccentric half-ball valve, which comprises a valve body, a lower fixed seat, a valve ball, a rotary disc and a valve seat; the inside cavity of valve body, the inlet has been seted up in the correspondence of the left side of valve body, the liquid outlet has been seted up in the correspondence of the right side of valve body, the lower surface at the valve body is established to the fixing base correspondence down, the upper surface of fixing base is equipped with down the valve rod down, the inner chamber that extends to the valve body is run through on the top of valve rod down, the inner chamber of valve body is arranged in to the valve ball correspondence, the bottom of valve ball is passed through the bearing and is rotated with the top of valve rod down and be connected, go up the upper surface at the valve body of fixing base, go up the middle part of fixing base upper surface and seted up the through-hole, the through-hole communicates with the inner chamber of valve body, and this welding formula eccentric half ball valve goes up the sealing.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a welding formula eccentric half-ball valve.
Background
The eccentric half ball valve generally comprises a valve body, a ball body, a valve seat and a valve rod, wherein the ball body adopts a half ball structure, the valve rod comprises an upper valve rod and a lower valve rod, the valve seat is provided with a sealing surface matched with the surface of the ball body, an eccentric distance is arranged between the valve rod and the rotating central line of the ball body and the central line of a valve body channel in the rotating direction of the ball body, the ball body and the valve seat are gradually wedged and matched by the eccentric distance when the valve is closed, the ball body and the valve seat are quickly separated when the valve is opened, the opening and closing friction force between the ball body and the valve seat is reduced, and the opening torque is reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a welding formula eccentric half ball valve, go up the sealing performance of valve rod relatively good, the reliability is than higher, and life is longer, and can be convenient carry out automatic switching and adjust moreover, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a welded eccentric half-ball valve comprises a valve body, a lower fixed seat, a valve ball, a rotary table and a valve seat; the valve body is hollow, a liquid inlet is correspondingly formed in the left side of the valve body, and a liquid outlet is correspondingly formed in the right side of the valve body; the lower fixing seat is correspondingly arranged on the lower surface of the valve body, a lower valve rod is arranged on the upper surface of the lower fixing seat, and the top end of the lower valve rod penetrates through and extends to the inner cavity of the valve body; the valve ball is correspondingly arranged in the inner cavity of the valve body, and the bottom of the valve ball is rotatably connected with the top end of the lower valve rod through a bearing; the upper fixing seat is arranged on the upper surface of the valve body, a through hole is formed in the middle of the upper surface of the upper fixing seat and is communicated with an inner cavity of the valve body, an upper valve rod is rotatably connected in the through hole, the bottom end of the upper valve rod penetrates through the valve body and is fixedly connected with the upper surface of a valve ball, an annular groove is formed in the inner wall of the through hole, a sealing unit corresponding to the annular groove is arranged on the circumferential surface of the upper valve rod, and two supporting columns are correspondingly arranged on the outer side of the upper surface of the upper fixing seat; the rotary table is correspondingly arranged at the top end of the support column, the top end of the upper valve rod penetrates through a round hole in the middle of the rotary table and extends to the upper part of the rotary table, a worm wheel is arranged at the top end of the upper valve rod, and a driving unit is arranged on the upper surface of the rotary table; the position that the inner wall and the liquid outlet that the valve body correspond is established to the disk seat, wherein: the turntable is characterized by further comprising a single chip microcomputer, the single chip microcomputer is arranged on the upper surface of the turntable, and the input end of the single chip microcomputer is electrically connected with the output end of an external power supply.
Further, the sealing unit includes graphite ring, spacing ring and little seal ring, the periphery at last valve rod is established to the spacing ring, the lower surface at the spacing ring is established to the graphite ring, little seal ring establishes the upper surface at the spacing ring, in annular groove was all arranged in to graphite ring, spacing ring and little seal ring correspondence, through graphite ring, spacing ring and little seal ring and the cooperation of ring groove on the last valve rod, can realize going up the good sealing performance of valve rod.
Furthermore, the driving unit comprises a worm, a fixing plate and a servo motor, the fixing plate is arranged on the upper surface of the rotary table, the worm is rotatably connected to one side of the fixing plate through a bearing, the worm is correspondingly meshed with the worm wheel, the servo motor is fixed to the other side of the fixing plate, an output shaft of the servo motor is fixedly connected with one end of the worm, an input end of the servo motor is electrically connected with an output end of the single chip microcomputer, the single chip microcomputer controls the servo motor to rotate, the worm and the worm wheel are driven to rotate, the valve rod and the valve ball are driven to rotate, and automatic opening and closing and adjustment of the valve are achieved.
Furthermore, the valve seat further comprises an inner sealing washer, the inner wall of the valve seat is correspondingly provided with the inner sealing washer, the inner sealing washer is O-shaped, and the sealing performance of the valve seat is improved through the inner sealing washer.
Furthermore, still include big seal ring, go up the fixing base and all be equipped with big seal ring with one side that lower fixing base is close to the valve body, strengthen the sealing performance between valve body and last fixing base and the lower fixing base through big seal ring.
Compared with the prior art, the beneficial effects of the utility model are that: this welding formula eccentric half ball valve has following benefit:
1. the graphite ring, the limiting ring and the small sealing washer on the upper valve rod are matched with the annular clamping groove, so that good sealing performance of the upper valve rod can be realized, the sealing performance between the valve body and the upper fixing seat and between the valve body and the lower fixing seat is enhanced through the large sealing washer, and the sealing performance of the valve seat is improved through the inner sealing washer;
2. the rotation of the servo motor is controlled by the single chip microcomputer to drive the worm and the worm wheel to rotate, so that the upper valve rod and the valve ball are driven to rotate, and the automatic opening and closing and adjustment of the valve are realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the upper fixing base of the present invention;
FIG. 3 is a schematic view of the upper valve rod structure of the present invention;
fig. 4 is a schematic view of the internal structure of the present invention.
In the figure: 1 valve body, 2 liquid outlets, 3 valve seats, 4 inner sealing gaskets, 5 large sealing gaskets, 6 upper fixing seats, 7 support columns, 8 single-chip microcomputers, 9 worm wheels, 10 driving units, 101 worms, 102 fixing plates, 103 servo motors, 11 upper valve rods, 12 annular grooves, 13 sealing units, 131 graphite rings, 132 limiting rings, 133 small sealing gaskets, 14 valve balls, 15 lower fixing seats, 16 lower valve rods, 17 liquid inlets, 18 turntables and 19 through holes.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a welded eccentric half-ball valve comprises a valve body 1, a lower fixed seat 15, a valve ball 14, a rotary table 18 and a valve seat 3; the valve body 1 is hollow, a liquid inlet 17 is correspondingly formed in the left side of the valve body 1, and a liquid outlet 2 is correspondingly formed in the right side of the valve body 1; the lower fixing seat 15 is correspondingly arranged on the lower surface of the valve body 1, the upper surface of the lower fixing seat 15 is provided with a lower valve rod 16, and the top end of the lower valve rod 16 penetrates through and extends to the inner cavity of the valve body 1; the valve ball 14 is correspondingly arranged in the inner cavity of the valve body 1, and the bottom of the valve ball 14 is rotatably connected with the top end of the lower valve rod 16 through a bearing; the upper fixing seat 6 is arranged on the upper surface of the valve body 1, the middle part of the upper surface of the upper fixing seat 6 is provided with a through hole 19, the through hole 19 is communicated with the inner cavity of the valve body 1, an upper valve rod 11 is rotatably connected in the through hole 19, the bottom end of the upper valve rod 11 penetrates through the valve body 1 and is fixedly connected with the upper surface of a valve ball 14, the inner wall of the through hole 19 is provided with an annular groove 12, the circumferential surface of the upper valve rod 11 is provided with a sealing unit 13 corresponding to the annular groove 12, the sealing unit 13 comprises a graphite ring 131, a limiting ring 132 and a small sealing washer 133, the limiting ring 132 is arranged on the circumferential surface of the upper valve rod 11, the graphite ring 131 is arranged on the lower surface of the limiting ring 132, the small sealing washer 133 is arranged on the upper surface of the limiting ring 132, the graphite ring 131, the limiting ring 132 and the small sealing washer 133 are all correspondingly, the good sealing performance of the upper valve rod 11 can be realized, two support columns 7 are correspondingly arranged on the outer side of the upper surface of the upper fixed seat 6, and the support columns 7 play a supporting role; the rotary table 18 is correspondingly arranged at the top end of the support column 7, the top end of the upper valve rod 11 penetrates through a circular hole in the middle of the rotary table 18 and extends to the upper side of the rotary table 18, a worm wheel 9 is arranged at the top end of the upper valve rod 11, a driving unit 10 is arranged on the upper surface of the rotary table 18, the driving unit 10 comprises a worm 101, a fixing plate 102 and a servo motor 103, the fixing plate 102 is arranged on the upper surface of the rotary table 18, the worm 101 is rotatably connected to one side of the fixing plate 102 through a bearing, the worm 101 is correspondingly meshed with the worm wheel 9, the servo motor 103 is fixed to the other side of the fixing plate 102, an output shaft of the servo motor 103 is fixedly connected with one; the valve seat 3 is arranged at the position, corresponding to the liquid outlet 2, of the inner wall of the valve body 1, and the valve seat 3 plays a role in sealing between the valve ball 13 and the liquid outlet 2; wherein: the automatic opening and closing valve is characterized by further comprising a single chip microcomputer 8, the single chip microcomputer 8 is arranged on the upper surface of the rotary disc 18, the input end of the single chip microcomputer 8 is electrically connected with the output end of an external power supply, the servo motor 103 is controlled to rotate through the single chip microcomputer 8, the worm 101 and the worm wheel 9 are driven to rotate, the upper valve rod 11 and the valve ball 14 are driven to rotate, and automatic opening and closing and adjustment of the valve are achieved.
Wherein: still include interior seal ring 4, the inner wall of disk seat 3 corresponds is equipped with interior seal ring 4, and interior seal ring 4 is the O type, improves the sealing performance of disk seat 3 through interior seal ring 4.
Wherein: still include big seal ring 5, go up fixing base 6 and lower fixing base 15 and all be equipped with big seal ring 5 near one side of valve body 1, strengthen the sealing performance between valve body 1 and last fixing base 6 and the lower fixing base 15 through big seal ring 5.
When in use:
switch on, through the rotation of singlechip 8 control servo motor 103, drive the rotation of worm 101 and worm wheel 9, and then drive the rotation of valve rod 11 and valve ball 14, can carry out automatic switching and regulation to the valve, in the use, go up graphite ring 131 on the valve rod 11, spacing ring 132 and little seal ring 133 and ring groove 12's cooperation, can make and go up valve rod 11 and have good sealing performance, interior seal ring 4 can improve the sealing performance of disk seat 3, big seal ring 5 can strengthen the sealing performance between valve body 1 and last fixing base 6 and the lower fixing base 15.
It should be noted that the specific model of the single chip microcomputer 8 disclosed in this embodiment is siemens S7-200, the servo motor 103 can be freely configured according to the actual application scenario, a single-phase series motor manufactured by 1 skimming motor products ltd in east guan city is recommended to be used, preferably, the rotation speed is below 21000 r, and the single chip microcomputer 8 controls the servo motor 103 to work by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a welded type eccentric half ball valve which characterized in that: the method comprises the following steps:
the valve body (1) is hollow, a liquid inlet (17) is correspondingly formed in the left side of the valve body (1), and a liquid outlet (2) is correspondingly formed in the right side of the valve body (1);
the lower fixing seat (15) is correspondingly arranged on the lower surface of the valve body (1), a lower valve rod (16) is arranged on the upper surface of the lower fixing seat (15), and the top end of the lower valve rod (16) penetrates through and extends to the inner cavity of the valve body (1);
the valve ball (14) is correspondingly arranged in the inner cavity of the valve body (1), and the bottom of the valve ball (14) is rotatably connected with the top end of the lower valve rod (16) through a bearing;
the valve ball sealing device comprises an upper fixing seat (6), wherein the upper fixing seat (6) is arranged on the upper surface of a valve body (1), a through hole (19) is formed in the middle of the upper surface of the upper fixing seat (6), the through hole (19) is communicated with an inner cavity of the valve body (1), an upper valve rod (11) is rotatably connected in the through hole (19), the bottom end of the upper valve rod (11) penetrates through the valve body (1) and is fixedly connected with the upper surface of a valve ball (14), an annular groove (12) is formed in the inner wall of the through hole (19), a sealing unit (13) corresponding to the annular groove (12) is arranged on the circumferential surface of the upper valve rod (11), and two supporting columns (7) are correspondingly arranged on the outer side of; the sealing unit (13) comprises a graphite ring (131), a limiting ring (132) and a small sealing washer (133), the limiting ring (132) is arranged on the circumferential surface of the upper valve rod (11), the graphite ring (131) is arranged on the lower surface of the limiting ring (132), the small sealing washer (133) is arranged on the upper surface of the limiting ring (132), and the graphite ring (131), the limiting ring (132) and the small sealing washer (133) are correspondingly arranged in the annular groove (12);
the rotary table (18) is correspondingly arranged at the top end of the support column (7), the top end of the upper valve rod (11) penetrates through a round hole in the middle of the rotary table (18) and extends to the upper side of the rotary table (18), a worm wheel (9) is arranged at the top end of the upper valve rod (11), and a driving unit (10) is arranged on the upper surface of the rotary table (18); the driving unit (10) comprises a worm (101), a fixing plate (102) and a servo motor (103), the fixing plate (102) is arranged on the upper surface of the turntable (18), the worm (101) is rotatably connected to one side of the fixing plate (102) through a bearing, the worm (101) is correspondingly meshed with the worm wheel (9), the servo motor (103) is fixed to the other side of the fixing plate (102), an output shaft of the servo motor (103) is fixedly connected with one end of the worm (101), and an input end of the servo motor (103) is electrically connected with an output end of the single chip microcomputer (8);
the valve seat (3), the said valve seat (3) is set up in the inner wall of the valve block (1) and correspondent position of the liquid outlet (2);
wherein: the automatic feeding device is characterized by further comprising a single chip microcomputer (8), wherein the single chip microcomputer (8) is arranged on the upper surface of the rotary table (18), and the input end of the single chip microcomputer (8) is electrically connected with the output end of an external power supply.
2. The welded eccentric half-ball valve according to claim 1, wherein: the valve seat is characterized by further comprising an inner sealing washer (4), the inner wall of the valve seat (3) is correspondingly provided with the inner sealing washer (4), and the inner sealing washer (4) is O-shaped.
3. The welded eccentric half-ball valve according to claim 1, wherein: still include big seal ring (5), go up fixing base (6) and lower fixing base (15) and all be equipped with big seal ring (5) near one side of valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499161.4U CN211231667U (en) | 2019-09-10 | 2019-09-10 | Welding type eccentric half ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921499161.4U CN211231667U (en) | 2019-09-10 | 2019-09-10 | Welding type eccentric half ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211231667U true CN211231667U (en) | 2020-08-11 |
Family
ID=71922069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921499161.4U Active CN211231667U (en) | 2019-09-10 | 2019-09-10 | Welding type eccentric half ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211231667U (en) |
-
2019
- 2019-09-10 CN CN201921499161.4U patent/CN211231667U/en active Active
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