CN203604700U - Full-welding top-assembling-type fixed ball valve - Google Patents
Full-welding top-assembling-type fixed ball valve Download PDFInfo
- Publication number
- CN203604700U CN203604700U CN201320797748.XU CN201320797748U CN203604700U CN 203604700 U CN203604700 U CN 203604700U CN 201320797748 U CN201320797748 U CN 201320797748U CN 203604700 U CN203604700 U CN 203604700U
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- China
- Prior art keywords
- valve
- valve gap
- fluid passage
- ring
- sealing seat
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Abstract
The utility model discloses a full-welding top-assembling-type fixed ball valve. The full-welding top-assembling-type fixed ball valve comprises a valve body, wherein a fluid passageway and a valve rod passageway are arranged in the valve body, a ball body is arranged in the fluid passageway, a valve rod is arranged in the valve rod passageway, a valve seat is arranged in the communication position of the fluid passageway and the valve rod passageway, a sealing seat and an adjustment nut are arranged in the fluid passageway, a spring is arranged between the adjustment nut and the sealing seat, the adjustment nut is matched with the inner side wall of the valve body in a threaded mode, a valve deck is welded to the side, far away from the fluid passageway, of the valve rod passageway, and the end, far away from the fluid passageway, of the valve rod penetrates through the valve deck. The valve deck comprises a valve deck body and a valve deck annular body, wherein the valve deck annular body penetrates into the valve rod passageway, an annular notch groove is formed in the side, near the valve deck, of the ball body, the side, penetrating into the valve rod passageway, of the valve deck annular body is embedded into the annular notch groove, limiting matching between the ball body and the valve deck annular body is formed, and the two ends of the fluid passageway are welded to connecting flanges. According to the full-welding top-assembling-type fixed ball valve, due to the limiting matching between the ball body and the valve deck annular body, the ball body does not vibrate, the sealing effect is good, and the service life of the valve is longer.
Description
Technical field
The utility model relates to a kind of ball valve, is specifically related to the upper dress formula fixing ball valve of a kind of full welding.
Background technique
Ball valve is that a kind of utilization is made open-shut device with the spheroid of manhole, and spheroid rotates with valve rod, to realize the valve of open-shut device switching motion.Ball valve is mainly used in the stage or connects the flowing medium in pipeline, simultaneously also can be for the adjusting of fluid flow and control, and in addition, ball valve also can close arbitrary passage but two other passage is connected.In existing ball valve, be generally provided with sealing seat in order to the gap between fluid-encapsulated passage spheroid and valve body, for valve seat provides mounting point, the spheroid in the ball valve of prior art is generally floating type simultaneously, and spheroid easily produces and rocks, cause the sealing between spheroid and valve seat poor, easily leak.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides dress formula fixing ball valve in the full welding of a kind of better tightness, longer service life.
To achieve these goals, the utility model has adopted following technological scheme:
The upper dress formula fixing ball valve of a kind of full welding, comprise valve body, in described valve body, be provided with fluid passage and valve stem passage, in described fluid passage, be provided with spheroid, in described valve stem passage, be provided with valve rod, described fluid passage and valve stem passage are interconnected, described fluid passage and the valve stem passage place of being interconnected are provided with valve seat, in described fluid passage, be provided with sealing seat and regulate and cap, described valve seat is arranged on the side of sealing seat by spheroid, described adjusting cap are arranged on the side that sealing seat deviates from spheroid, between described adjusting cap and sealing seat, be provided with spring, described adjusting cap and described valve body madial wall screw-thread fit, described valve stem passage is welded with valve gap away from a side of fluid passage, described valve rod passes described valve gap away from one end of fluid passage, described valve gap comprises valve gap body and valve gap ring body, described valve gap ring body penetrates described valve stem passage, spheroid is provided with ring short slot by a side of valve gap, the side that described valve gap ring body penetrates described valve stem passage is embedded in described ring short slot, forming spheroid coordinates with the spacing of valve gap ring body, the two ends of described fluid passage are welded with adpting flange.
As preferably, described valve gap body welds with described valve body by a side periphery of fluid passage.Adopt after above-mentioned preferred version, the weld of valve gap and valve body is away from valve seat and Sealing, and the high temperature of weld can not damage valve seat and Sealing.
As preferably, described adjusting the madial wall of cap are provided with and cap operation annular groove.Adopt after above-mentioned preferred version, facilitate staff to utilize also cap operation annular groove to regulate the position of adjusting cap, thereby regulate the position of spheroid.
As preferably, the outer side wall of described sealing seat is provided with some sealing seat seal grooves, in described sealing seat seal groove, is provided with sealing seat seal ring, and described sealing seat seal ring is O RunddichtringO.Adopt after above-mentioned preferred version, the sealability of sealing seat and valve body madial wall is better.
As preferably, the outer side wall of described valve gap ring body is provided with some valve gap external sealed grooves, in described valve gap external sealed groove, is provided with valve gap exterior seal ring, and described valve gap exterior seal ring is O RunddichtringO.Adopt after above-mentioned preferred version, the sealability of valve gap ring body and valve body madial wall is better.
As preferably, described valve rod is provided with stem ring projection by a side outer side wall of spheroid, described valve gap ring body madial wall and stem ring projection corresponding position are provided with valve gap inner convex platform, the setting that offsets of described valve gap inner convex platform and described stem ring projection, described valve gap inner convex platform and the described stem ring projection place of offseting are provided with thrust washer.Adopt after above-mentioned preferred version, can avoid the super range motion of valve gap and valve gap is damaged.
As preferably, described valve rod passes valve gap, and described valve rod passes valve gap place and is provided with filler device, and described valve rod passes filler device, and the side that described valve rod passes filler device is provided with operation equipment, and described operation equipment comprises operation handwheel.Adopt after above-mentioned preferred version, arranging of operation equipment facilitates operator to operate valve rod, more convenient.
As preferably, described adpting flange comprises flange plate, described flange plate is provided with connection ring body by a side of fluid passage, described connection ring body stretches in described fluid passage, described connection ring body and flange plate form flange boss, described fluid passage deviates from the setting that offsets of the end, one end of spheroid and described flange boss, and arranges in both places' of offseting welding.Adopt after above-mentioned preferred version, the weld of adpting flange and valve body is away from valve seat and Sealing, and the high temperature of weld can not damage valve seat and Sealing.
In full welding of the present utility model, dress formula fixing ball valve spheroid coordinates with valve gap ring body is spacing, and spheroid can not rock, and the working life of good sealing effect, valve is better.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's cross-sectional view;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is the partial enlarged drawing at B place in Fig. 1;
Fig. 4 is the partial enlarged drawing at C place in Fig. 1.
Embodiment
As Figure 1-Figure 4, embodiment of the present utility model is the upper dress formula fixing ball valve of a kind of full welding specifically, comprises valve body 1, is provided with fluid passage 11 and valve stem passage 12 in valve body 1.In fluid passage 11, be provided with spheroid 2.In valve stem passage 12, be provided with valve rod 3.Fluid passage 11 is interconnected with valve stem passage 12, and fluid passage 11 and valve stem passage 12 places of being interconnected are provided with valve seat 4, is provided with sealing seat 5 and regulates and cap 51 in fluid passage 11.Valve seat 4 is arranged on the side of sealing seat 5 by spheroid 2.Regulate also cap 51 to be arranged on the side that sealing seat 5 deviates from spheroid 2, between adjusting cap 51 and sealing seat 5, be provided with spring 52, regulate and cap 51 and valve body 1 madial wall screw-thread fit.Valve stem passage 12 is welded with valve gap 6 away from a side of fluid passage 11.Valve rod 3 passes valve gap 6 away from one end of fluid passage 11, and valve gap 6 comprises valve gap body 61 and valve gap ring body 62.Valve gap ring body 62 penetrates valve stem passage 12, and spheroid 2 is provided with ring short slot 21 by a side of valve gap 6, and the side that valve gap ring body 62 penetrates valve stem passage 12 is embedded in ring short slot 21, forms spheroid 2 and coordinates with the spacing of valve gap ring body 62.The two ends of fluid passage 11 are welded with adpting flange 7.Valve gap body 61 welds by a side periphery and the valve body 1 of fluid passage 11.Regulate the also madial wall of cap 51 to be provided with and cap operation annular groove 511.
The outer side wall of sealing seat 5 is provided with two place's sealing seat seal grooves 53, is provided with sealing seat seal ring 531 in sealing seat seal groove 53, and sealing seat seal ring 531 is O RunddichtringO.The outer side wall of valve gap ring body 62 is provided with two place's valve gap external sealed grooves 621, in valve gap external sealed groove 621, is provided with valve gap exterior seal ring 622, and valve gap exterior seal ring 622 is O RunddichtringO.
Valve rod 3 is provided with stem ring projection 31 by a side outer side wall of spheroid 2, valve gap ring body 62 madial walls and stem ring projection 31 corresponding positions are provided with valve gap inner convex platform 623, settings that offset of valve gap inner convex platform 623 and stem ring projection 31, valve gap inner convex platform 623 and stem ring projection 31 places of offseting are provided with thrust washer 624.Valve rod 3 passes valve gap 6, and valve rod 3 passes valve gap 6 places and is provided with filler device 8, and valve rod 3 passes filler device 8, and the side that valve rod 3 passes filler device 8 is provided with operation equipment 9, and operation equipment 9 comprises operation handwheel 91.
Adpting flange 7 comprises flange plate 71, and flange plate 71 is provided with and connects ring body 72 by a side of fluid passage 11, connects ring body 72 and stretches in fluid passage 11, connects ring body 72 and forms flange boss 73 with flange plate 71.Fluid passage 11 deviates from the setting that offsets of the end, one end of spheroid 2 and flange boss 73, and arranges in both places' of offseting welding.
Claims (8)
1. the upper dress formula fixing ball valve of full welding, comprise valve body, in described valve body, be provided with fluid passage and valve stem passage, in described fluid passage, be provided with spheroid, in described valve stem passage, be provided with valve rod, described fluid passage and valve stem passage are interconnected, described fluid passage and the valve stem passage place of being interconnected are provided with valve seat, it is characterized in that: in described fluid passage, be provided with sealing seat and regulate and cap, described valve seat is arranged on the side of sealing seat by spheroid, described adjusting cap are arranged on the side that sealing seat deviates from spheroid, between described adjusting cap and sealing seat, be provided with spring, described adjusting cap and described valve body madial wall screw-thread fit, described valve stem passage is welded with valve gap away from a side of fluid passage, described valve rod passes described valve gap away from one end of fluid passage, described valve gap comprises valve gap body and valve gap ring body, described valve gap ring body penetrates described valve stem passage, spheroid is provided with ring short slot by a side of valve gap, the side that described valve gap ring body penetrates described valve stem passage is embedded in described ring short slot, forming spheroid coordinates with the spacing of valve gap ring body, the two ends of described fluid passage are welded with adpting flange.
2. dress formula fixing ball valve in full welding according to claim 1, is characterized in that: described valve gap body is by a side periphery of fluid passage and described valve body welding.
3. dress formula fixing ball valve in full welding according to claim 1, is characterized in that: described adjusting the madial wall of cap are provided with and cap operation annular groove.
4. dress formula fixing ball valve in full welding according to claim 1, it is characterized in that: the outer side wall of described sealing seat is provided with some sealing seat seal grooves, in described sealing seat seal groove, be provided with sealing seat seal ring, described sealing seat seal ring is O RunddichtringO.
5. dress formula fixing ball valve in full welding according to claim 1, it is characterized in that: the outer side wall of described valve gap ring body is provided with some valve gap external sealed grooves, in described valve gap external sealed groove, be provided with valve gap exterior seal ring, described valve gap exterior seal ring is O RunddichtringO.
6. dress formula fixing ball valve in full welding according to claim 1, it is characterized in that: described valve rod is provided with stem ring projection by a side outer side wall of spheroid, described valve gap ring body madial wall and stem ring projection corresponding position are provided with valve gap inner convex platform, the setting that offsets of described valve gap inner convex platform and described stem ring projection, described valve gap inner convex platform and the described stem ring projection place of offseting are provided with thrust washer.
7. dress formula fixing ball valve in full welding according to claim 1, it is characterized in that: described valve rod passes valve gap, described valve rod passes valve gap place and is provided with filler device, described valve rod passes filler device, the side that described valve rod passes filler device is provided with operation equipment, and described operation equipment comprises operation handwheel.
8. dress formula fixing ball valve in full welding according to claim 1, it is characterized in that: described adpting flange comprises flange plate, described flange plate is provided with connection ring body by a side of fluid passage, described connection ring body stretches in described fluid passage, described connection ring body and flange plate form flange boss, described fluid passage deviates from the setting that offsets of the end, one end of spheroid and described flange boss, and arranges in both places' of offseting welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797748.XU CN203604700U (en) | 2013-12-05 | 2013-12-05 | Full-welding top-assembling-type fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797748.XU CN203604700U (en) | 2013-12-05 | 2013-12-05 | Full-welding top-assembling-type fixed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604700U true CN203604700U (en) | 2014-05-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320797748.XU Expired - Fee Related CN203604700U (en) | 2013-12-05 | 2013-12-05 | Full-welding top-assembling-type fixed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203604700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059315A (en) * | 2019-12-20 | 2020-04-24 | 严珍珍 | All-welded forged steel ball valve |
-
2013
- 2013-12-05 CN CN201320797748.XU patent/CN203604700U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059315A (en) * | 2019-12-20 | 2020-04-24 | 严珍珍 | All-welded forged steel ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20161205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |