CN214331543U - Integral upper cover-opening ball valve - Google Patents
Integral upper cover-opening ball valve Download PDFInfo
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- CN214331543U CN214331543U CN202023066886.XU CN202023066886U CN214331543U CN 214331543 U CN214331543 U CN 214331543U CN 202023066886 U CN202023066886 U CN 202023066886U CN 214331543 U CN214331543 U CN 214331543U
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Abstract
The utility model provides an integral ball valve of uncapping on, belong to valve manufacturing technical field, which comprises a valve body, the valve gap, the disk seat, the case, the main seal circle, a pressing plate, first valve shaft, the gland, a support, second valve shaft and tail-hood, the upper end at the valve body is installed to the valve gap, two disk seat symmetries are installed in the both sides in the valve body, the case is installed in the valve body, the main seal circle inlays to be established in first recess, there is the second recess on the clamp plate, one side that first recess was kept away from to the main seal circle inlays to be established in the second recess, there is flange the side of valve body, the side at flange is installed to support and gland, support, gland and flange are passed in proper order to first valve shaft, the one end and the case of first valve shaft are connected, the one side that first valve shaft was kept away from at the case is installed to the second valve shaft, the tail-hood is installed in the side of valve body and is kept away from one side of case at the second valve shaft. The utility model is suitable for a various corrosivity and non-corrosivity medium have good sealing performance in the temperature and the pressure variation within range of broad.
Description
Technical Field
The utility model belongs to the technical field of the valve is made, a integral ball valve that uncaps on is related to.
Background
The ball valve is a valve whose opening and closing piece (ball body) is driven by valve rod and can make rotary motion around the axis of ball valve, and can be used for regulating and controlling fluid, in which between its V-shaped ball core and metal valve seat of bead weld hard alloy a strong shearing force is existed, so that it is specially applicable to the medium containing fibre and small solid granules, etc., and on the pipeline of multi-way ball valve not only can flexibly control the combination, flow-dividing and flow-direction switching of medium, but also can close any channel to make another two channels connected.
The ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, plays a very important role in national economy, is mainly used for cutting off, distributing and changing the flow direction of a medium in the pipeline, and can be closed tightly only by rotating 90 degrees. The ball valve is most suitable for being used as a switch and a stop valve, but the existing ball valve has large operating moment, poor sealing performance and short service life.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is an integral ball valve that uncaps on, belong to valve manufacturing technical field, be applicable to various corrosivity and non-corrosive medium, have good sealing performance in the temperature and the pressure variation within range of broad.
In order to solve the technical problem, the utility model discloses a technical scheme is: an integral upper cover-opening ball valve belongs to the technical field of valve manufacturing and comprises a valve body, a valve cover, valve seats, a valve core, a main sealing ring, a pressing plate, a first valve shaft, a pressing cover, a support, a second valve shaft and a tail cover, wherein the valve cover is installed at the upper end of the valve body, the two valve seats are arranged, the two valve seats are symmetrically installed on the two sides in the valve body, the valve core is installed in the valve body and between the two valve seats, the two sides of the valve core are provided with a first groove and a protrusion, the main sealing ring is embedded in the first groove, the protrusion and the pressing plate are coaxially arranged from inside to outside, the pressing plate is installed on the valve core, the second groove is arranged on the pressing plate, one side, far away from the first groove, of the main sealing ring is embedded in the second groove, one end, close to the valve seats, of the main sealing ring is arc-shaped, the side face of the valve body is provided with a connecting flange, the support and the pressing cover are installed on the side face of the connecting flange, the pressing cover and the support are coaxially arranged from inside to outside, the first valve shaft sequentially penetrates through the support, The valve comprises a gland and a connecting flange, one end of the first valve shaft is connected with a valve core, the second valve shaft is arranged on one side of the valve core far away from the first valve shaft and penetrates through the side surface of the valve body, and the tail cap is arranged on the side surface of the valve body and on one side of the second valve shaft far away from the valve core.
Furthermore, the main sealing ring is made of rubber, the longitudinal section of the main sealing ring is T-shaped, and the volume of the main sealing ring embedded into the first groove accounts for 30% -70% of the total volume.
Furthermore, the pressure plate is connected with the valve core through a bolt, and a hollow area is arranged between the pressure plate and the valve core.
Furthermore, the valve body and the valve core are made of resin sand.
Further, the connecting part of the valve body and the valve cover is of an oval structure.
Furthermore, the valve further comprises an auxiliary sealing ring, one end of the auxiliary sealing ring is installed on the valve seat, one end, far away from the valve seat, of the auxiliary sealing ring is in contact with the pressure plate or the valve core, and the auxiliary sealing ring is made of steel, copper or hard plastic.
Furthermore, the valve also comprises a standing foot, and the standing foot is connected with the lower end of the valve body.
Compared with the prior art, the utility model has the advantages and positive effect as follows:
1. the utility model is suitable for a various corrosivity and non-corrosivity medium have good sealing performance in the temperature and the pressure variation within range of broad.
2. The utility model discloses operating torque when opening and closing is low, sealing performance safe and reliable, long service life, specially adapted high temperature, high pressure, big latus rectum, medium are the occasion of mixture and a little granule.
3. The utility model discloses a support, gland and flange are passed in proper order to first valve shaft, and the one end and the case of first valve shaft are connected, and the side that first valve shaft was kept away from in the case and passed the valve body is installed to the second valve shaft, and the whole transmissions of effort that medium pressure produced on the case in the valve during operation pipeline of valve medium pressure are for first valve shaft and second valve shaft, and the case can not produce the relative position and remove.
4. The utility model discloses a have the cavity region between clamp plate and the case, through adjusting bolt and then the distance between adjusting plate and the case, and then adjusted the elasticity and the position of main seal circle on the case, realized the adjustment to sealed effect.
5. The utility model discloses a material of valve body and case is the resin sand, and through the casting shaping, the foundry goods carries out thermal treatment in order to eliminate the internal stress, simultaneously through finite element analysis, with the deformation control of valve body and case in the allowed range, makes its atress distribute more evenly, and the size is more optimized to have sufficient intensity and rigidity, can not produce harmful deformation.
6. The utility model discloses a valve body and valve gap coupling part are oval structure, and the valve body is directly packed into to the oval neck of integral case accessible, when main seal circle need be changed because of wearing and tearing are serious or damage, can open the valve gap and demolish the clamp plate on line and change main seal circle, realize the online maintenance, need not demolish the valve from the pipeline.
7. The utility model discloses an one end of vice sealing washer is installed on the disk seat, and the one end and clamp plate or the case contact of disk seat are kept away from to vice sealing washer, and the material of vice sealing washer is hard materials such as steel, copper or duroplasts, and when the material of case and clamp plate is hard materials, realized hard seal, when the main seal circle became invalid, the sealed effect that vice sealing washer can guarantee the valve reached the requirement, guaranteed the normal use of valve.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic longitudinal sectional view 1 of the closed state of the integral upper cover-opening ball valve of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 of the integrated top uncapped ball valve of the present invention;
fig. 3 is a schematic longitudinal sectional view 2 of the closed state of the integral upper cover-opening ball valve of the present invention;
FIG. 4 is an enlarged view of section B of FIG. 3 of the integrated upper cover ball valve of the present invention;
fig. 5 is a schematic longitudinal sectional view of the opened state of the integrated upper cover-opening ball valve of the present invention 1;
fig. 6 is a schematic view of the open state of the integral upper cover-opening ball valve of the present invention in longitudinal section 2.
Reference numerals:
1. a valve body; 2. a valve cover; 3. a valve seat; 4. a valve core; 5. a primary seal ring; 6. pressing a plate; 7. a first valve shaft; 8. a gland; 9. a support; 10. a second valve shaft; 11. a tail cover; 12. a connecting flange; 13. standing; 14. a secondary seal ring; 15. a hollow region; 41. a first groove; 42. a protrusion; 61. a second groove.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 by those of ordinary skill in the art through specific situations.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in figures 1-6, the utility model relates to an integral upper cover-opening ball valve, which belongs to the technical field of valve manufacturing, and comprises a valve body 1, a valve cover 2, a valve seat 3, a valve core 4, a main sealing ring 5, a pressure plate 6, a first valve shaft 7, a gland 8, a support 9, a second valve shaft 10 and a tail cover 11, wherein the valve cover 2 is arranged at the upper end of the valve body 1, two valve seats 3 are arranged, the two valve seats 3 are symmetrically arranged at two sides in the valve body 1, the valve core 4 is arranged in the valve body 1 and between the two valve seats 3, two sides of the valve core 4 are provided with a first groove 41 and a bulge 42, the main sealing ring 5 is embedded in the first groove 41, the bulge 42 and the pressure plate 6 are coaxially arranged from inside to outside, the pressure plate 6 is arranged on the valve core 4, the pressure plate 6 is provided with a second groove 61, one side of the main sealing ring 5 far away from the first groove 41 is embedded in the second groove 61, one end of the main sealing ring 5 close to the valve seat 3 is arc, a connecting flange 12 is arranged at the side of the valve body 1, support 9 and gland 8 are installed in the side of flange 12, gland 8 and support 9 are coaxial to be set up from inside to outside, first valve shaft 7 passes support 9 in proper order, gland 8 and flange 12, the one end and the case 4 of first valve shaft 7 are connected, second valve shaft 10 is installed in the side that case 4 kept away from first valve shaft 7 and is passed the side of valve body 1, the effort that medium pressure produced on case 4 during valve operation in the pipeline before the valve is whole transmits first valve shaft 7 and second valve shaft 10, case 4 can not produce relative position and move, the valve shaft adopts the form of two semi-axes, increased flow area, the flow resistance has been reduced, tail-hood 11 is installed in the side of valve body 1 and the side that keeps away from case 4 at second valve shaft 10.
Preferably, the main seal ring 5 may be made of rubber, the longitudinal section of the main seal ring 5 is T-shaped, the volume of the main seal ring 5 embedded in the first groove 41 accounts for 30% -70% of the total volume, and the main seal ring 5 does not fall off after being installed.
Preferably, the pressure plate 6 is connected with the valve core 4 by using a bolt, a hollow area 15 is arranged between the pressure plate 6 and the valve core 4, the distance between the pressure plate 6 and the valve core 4 is further adjusted by adjusting the bolt, the tightness and the position of the main sealing ring 5 on the valve core 4 are further adjusted, and the adjustment of the sealing effect is realized.
Preferably, the valve body 1 and the valve core 4 are made of resin sand, the casting is subjected to heat treatment to eliminate internal stress through casting molding, and meanwhile, through finite element analysis, the deformation of the valve body 1 and the valve core 4 is controlled within an allowable range, so that the valve body and the valve core are more uniform in stress distribution and more optimized in size, have sufficient strength and rigidity, and cannot generate harmful deformation.
Preferably, the connecting part of the valve body 1 and the valve cover 2 is an oval structure, the integral valve core 4 can be directly installed in the valve body 1 through an oval neck, when the main sealing ring 5 is seriously abraded or damaged and needs to be replaced, the valve cover 2 can be opened, the pressing plate 6 can be removed on line, the main sealing ring 5 can be replaced, online maintenance is realized, and the valve does not need to be removed from a pipeline.
Preferably, one end of the auxiliary sealing ring 14 is installed on the valve seat 3, one end, far away from the valve seat 3, of the auxiliary sealing ring 14 is in contact with the pressure plate 6 or the valve core 4, the auxiliary sealing ring 14 is made of hard materials such as steel, copper or hard plastic, when the valve core 4 and the pressure plate 6 are made of hard materials, hard sealing is achieved, when the main sealing ring 5 fails, the auxiliary sealing ring 14 can guarantee that the sealing effect of the valve meets the requirement, and normal use of the valve is guaranteed.
Preferably, the standing foot 13 is connected with the lower end of the valve body 1 and can be installed at different positions according to different use scenes.
In the actual working process, as shown in fig. 1 and fig. 2, the valve is in a completely closed state, at this time, the main seal ring 5 and the valve seat 3 are in a sealing state in contact, the main seal ring 5 and the valve seat 3 realize soft sealing, the auxiliary seal ring 14 realizes hard sealing, at this time, after the first valve shaft 7 is rotated by 90 degrees, as shown in figures 5 and 6, the valve is in a fully open state, the valve is 100% of full diameter, the straight-through flow channel has little head loss, no water blocking component is arranged in the overcurrent area, the flow channel is completely unblocked, the valve has the advantages that no vibration exists at high flow speed, a medium can smoothly pass through the valve core 4, the first valve shaft 7 is rotated again, the valve body 1 is gradually closed, the valve core 4 in the closing process has a cutting function, impurities such as crystals in the medium can be cut off, the valve is guaranteed to be normally opened and closed, the medium can flush accumulated matters on a sealing surface in the closing process, and self-cleaning of the sealing surface is achieved.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (7)
1. Integral upper cover-opening ball valve, its characterized in that: the valve comprises a valve body, a valve cover, valve seats, a valve core, a main sealing ring, a pressing plate, a first valve shaft, a pressing cover, a support, a second valve shaft and a tail cover, wherein the valve cover is arranged at the upper end of the valve body, the two valve seats are arranged at two sides in the valve body, the valve core is arranged in the valve body and between the two valve seats, the two sides of the valve core are provided with a first groove and a bulge, the main sealing ring is embedded in the first groove, the bulge and the pressing plate are coaxially arranged from inside to outside, the pressing plate is arranged on the valve core, the pressing plate is provided with a second groove, one side of the main sealing ring, which is far away from the first groove, is embedded in the second groove, one end of the main sealing ring, which is close to the valve seats, the side of the valve body is provided with a connecting flange, the support and the pressing cover are arranged on the side of the connecting flange, the pressing cover and the support are coaxially arranged from inside to outside, the first valve shaft sequentially penetrates through the support, the pressing cover and the connecting flange, one end of the first valve shaft is connected with the valve core, the second valve shaft is arranged on one side of the valve core far away from the first valve shaft and penetrates through the side surface of the valve body, and the tail cover is arranged on the side surface of the valve body and is arranged on one side of the second valve shaft far away from the valve core.
2. The integrated upper open-cover ball valve according to claim 1, wherein: the main sealing ring is made of rubber, the longitudinal section of the main sealing ring is T-shaped, and the volume of the main sealing ring embedded into the first groove accounts for 30-70% of the total volume.
3. The integrated upper open-cover ball valve according to claim 1, wherein: the pressure plate is connected with the valve core through a bolt, and a hollow area is arranged between the pressure plate and the valve core.
4. The integrated upper open-cover ball valve according to claim 1, wherein: the valve body and the valve core are made of resin sand.
5. The integrated upper open-cover ball valve according to claim 1, wherein: the connecting part of the valve body and the valve cover is of an oval structure.
6. The integrated upper open-cover ball valve according to claim 1, wherein: the valve seat is characterized by further comprising an auxiliary sealing ring, one end of the auxiliary sealing ring is mounted on the valve seat, one end, far away from the valve seat, of the auxiliary sealing ring is in contact with the pressing plate or the valve core, and the auxiliary sealing ring is made of steel, copper or hard plastic.
7. The integrated upper open-cover ball valve according to claim 1, wherein: the valve also comprises a standing foot, and the standing foot is connected with the lower end of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066886.XU CN214331543U (en) | 2020-12-18 | 2020-12-18 | Integral upper cover-opening ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066886.XU CN214331543U (en) | 2020-12-18 | 2020-12-18 | Integral upper cover-opening ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN214331543U true CN214331543U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023066886.XU Active CN214331543U (en) | 2020-12-18 | 2020-12-18 | Integral upper cover-opening ball valve |
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| CN (1) | CN214331543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503205A (en) * | 2020-12-18 | 2021-03-16 | 博纳斯威阀门股份有限公司 | Integral upper cover-opening ball valve |
-
2020
- 2020-12-18 CN CN202023066886.XU patent/CN214331543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503205A (en) * | 2020-12-18 | 2021-03-16 | 博纳斯威阀门股份有限公司 | Integral upper cover-opening ball valve |
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