CN202215758U - Spherical stop valve - Google Patents
Spherical stop valve Download PDFInfo
- Publication number
- CN202215758U CN202215758U CN2011203070101U CN201120307010U CN202215758U CN 202215758 U CN202215758 U CN 202215758U CN 2011203070101 U CN2011203070101 U CN 2011203070101U CN 201120307010 U CN201120307010 U CN 201120307010U CN 202215758 U CN202215758 U CN 202215758U
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- flap
- spherical
- valve
- bayonet socket
- cover
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Abstract
The utility model discloses a spherical stop valve, which comprises a valve rod, a valve body provided with a stop opening and a valve flap matched with the stop opening. The valve flap is a spherical valve flap, a valve flap sleeve is arranged at one end of the valve rod connected with the spherical valve flap, the spherical valve flap is arranged in the valve flap sleeve, a clamp opening with a distance of connecting any two points smaller than the largest diameter of the spherical valve flap is arranged at one end of the valve flap sleeve close to the stop opening, and a gap is arranged between the end of the valve flap sleeve without the clamp opening and the spherical valve flap. By means of arrangement, the spherical stop valve can effectively resolve the technical problems that abrasion is easily produced on the local valve flap and impurities are easily accumulated on the surface of the local valve flap.
Description
Technical field
The utility model relates to valve technology field, particularly a kind of spherical stop valve.
Background technique
Valve is omnipresent in national economy is produced, and it and production, construction, national defence and people's lives have substantial connection.Valve is mounted in the controlling component in the fluid delivery systems such as various pipelines and equipment, is made up of valve body, flap, valve gap, valve seat, valve rod, Sealing etc., has water conservancy diversion, by functions such as, throttling, shunting, overflow releases.
Valve of a great variety for example, pressed the purpose classification of valve, and valve can be divided into block valve, safety check, safety valve, modulating valve and diverter valve.Wherein block valve comprises gate valve, stop valve, stopcock and dish valve etc. again, below content will be that example describes in detail with spherical stop valve.
The flap of stop valve of the prior art is generally structures such as taper, dish type, and flap is driven the valve that opens and closes between realization flap and the valve body by valve rod.Stop valve is mainly used in the medium that blocks or connect in the pipeline, also can be used for the adjusting and the control of fluid.
Yet for the plane cooperates, tightness is relatively poor between the stop valve of the prior art, the isostructural flap of its taper or dish type and valve body.In addition, because in the existing technology, flap and valve rod are for being fixedly connected, so the contact position of flap and valve body is constant all the time.Because the seam of flap and valve body certainly leads to rubbing action between the two in contact process.Along with long use, the seam opposite position of flap and valve body certainly leads to wearing and tearing, causes producing the slit between flap and the valve body, and then causes the problem of stop valve poor seal.
In addition, because flap and valve rod be for being fixedly connected, fluid washes the special position of flap all the time, and flap dorsad a side of fluid do not receive the flushing of fluid, and then, make the flap local surfaces be prone to accumulated impurity along with use for a long time.
Therefore, how to solve the local problem that is prone to produce wearing and tearing and the easy accumulated impurity of local surfaces of flap of valve, become those skilled in the art's important technological problems to be solved.
The model utility content
In view of this, the utility model provides a kind of spherical stop valve, and it can effectively solve the local technical problem that is prone to produce wearing and tearing and the easy accumulated impurity of local surfaces of flap.
For realizing above-mentioned purpose, the utility model provides following technological scheme:
A kind of spherical stop valve that the utility model provides; Comprise valve rod, have seam valve body and with the suitable flap of said seam; Said flap is spherical flap; And said valve rod is installed with the flap cover with the end that said spherical flap is connected; Said spherical flap is arranged in the said flap cover, and said flap cover and said seam near an end be provided with line between wantonly 2 apart from bayonet socket less than the maximum diameter of said spherical flap, have the gap between opposite end that is provided with said bayonet socket that said flap overlaps and the said spherical flap.
Preferably, said bayonet socket is circular bayonet socket, and the diameter of said circular bayonet socket is less than the maximum diameter of said spherical flap.
Preferably; The periphery that said valve rod is provided with an end of said flap cover is installed with the flap upper shield; Said flap cover is connected with said valve rod through said flap upper shield, and said valve rod is inserted into said flap cover, has the gap between the end face of said valve rod and the said spherical flap.
Preferably, the outer circumferential face of said flap upper shield is provided with outside thread, and said flap is arranged with and the suitable internal thread of said outside thread, and said flap cover is connected in said flap upper shield through said outside thread and said internal thread.
Preferably, said valve rod is inserted into the inner end face of said flap cover and is provided with and the corresponding circular arc concave surface of said spherical flap, and has the gap between said circular arc concave surface and the said spherical flap.
Preferably, the curvature of said circular arc concave surface equates with the curvature of said spherical flap.
Preferably, the sidewall of said seam is and the suitable convex structure of said spherical flap.
A kind of spherical stop valve that the utility model provides, comprise valve rod, have seam valve body and with the suitable flap of said seam, said flap is spherical flap.The fitting surface that it is pointed out that spherical flap and valve body seam is a cambered surface, is the plane with respect to the fitting surface between flap in the existing technology and the valve body, and the spherical stop valve that the utility model provides has better sealability.In addition, should be appreciated that spherical flap through with seam compress and separate realize spherical stop valve by and conducting, valve rod is connected with spherical flap, and then realizes the mated condition of spherical flap and seam through the manipulation valve rod.The spherical stop valve that the utility model provides; Its valve rod is installed with the flap cover with the end that said spherical flap is connected; Said spherical flap is arranged in the said flap cover; And said flap cover and said seam near an end be provided with line between wantonly 2 apart from bayonet socket less than the maximum diameter of said spherical flap, have the gap between opposite end that is provided with said bayonet socket that said flap overlaps and the said spherical flap.
It is to be noted; Spherical flap is connected in the flap cover; Because flap is arranged with bayonet socket, the line distance between any 2 of this bayonet socket is all less than the maximum diameter of spherical flap, so the part of spherical flap can expose to the flap cover; And the part that exposes to the flap cover can match with the seam of valve body, and then realizes ending and conducting of spherical stop valve.In addition owing to have the gap between the opposite end that flap is arranged with bayonet socket and the spherical flap, so spherical flap and seam be separated the time, spherical flap and flap have the gap between overlapping, rotation can take place in spherical flap under the active force of fluid.And in the process that spherical flap and seam compress; Gap between spherical flap and the flap cover reduces to connect until spherical flap and flap cover gradually; And then under the butt power effect of flap cover, spherical flap can be pressed in seam, and then realizes ending of spherical stop valve.
So be provided with, when spherical flap and seam were separated, under the active force of fluid, rotation can take place in spherical flap in flap overlaps, and then its face that matches with seam constantly changes, so the wearing and tearing of its spherical flap will reduce greatly.In addition, because rotation can take place spherical flap,, and then evaded the problem of the local easy accumulated impurity of spherical flap so fluid can more comprehensively wash its outer circumferential face.Therefore, the spherical stop valve that the utility model provides, it can effectively solve the local technical problem that is prone to produce wearing and tearing and the easy accumulated impurity of local surfaces of flap.
In the preferred version of the utility model, said bayonet socket is circular bayonet socket, and the diameter of said circular bayonet socket is less than the maximum diameter of said spherical flap.The bayonet socket that it is pointed out that flap cover is set to circular bayonet socket, and with respect to being set to other shape, such as square, triangle etc., the clamping area between bayonet socket and the spherical flap is bigger.So be provided with, effectively reduce the contact stress between bayonet socket and the spherical flap, so effectively evaded bayonet socket because of and spherical flap between contact stress excessive, and cause spherical flap or the impaired problem of bayonet socket.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a spherical stop valve sectional structure schematic representation in the utility model embodiment;
Fig. 2 is an A portion structure for amplifying schematic representation among Fig. 1.
Embodiment
The utility model provides a kind of spherical stop valve, and it can effectively solve the local technical problem that is prone to produce wearing and tearing and the easy accumulated impurity of local surfaces of flap.
To combine the accompanying drawing among the utility model embodiment below, the technological scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is a spherical stop valve sectional structure schematic representation in the utility model embodiment; Fig. 2 is an A portion structure for amplifying schematic representation among Fig. 1.
The spherical stop valve that this embodiment provided, comprise valve rod 11, have seam 121 valve body 12 and with the suitable flap of seam 121.
It is pointed out that the flap that this embodiment provides is specially spherical flap 13.Spherical flap 13 is a cambered surface with the fitting surface of valve body seam, is the plane with respect to the fitting surface between flap in the existing technology and the valve body, and the spherical stop valve that the utility model provides has better sealability.
In addition, should be appreciated that spherical stop valve is in cut-off state when spherical flap 13 is pressed in seam 121; When spherical flap 13 was separated with seam 121, spherical stop valve was on state.
Need to prove that the spherical stop valve that this embodiment provided, the end that its valve rod 11 is connected with spherical flap 13 are installed with flap cover 14.Spherical flap 13 is installed on flap and overlaps 14 inside, flap cover 14 and seam 121 near an end be provided with the bayonet socket (not shown), spherical flap 13 can expose to flap through this bayonet socket part and overlap 14.
It is pointed out that distance between any 2 of bayonet socket less than the maximum diameter of spherical flap 13, so is provided with, spherical flap 13 can be connected in flap and overlap 14 inside.In addition, has gap 15 between the opposite end that is provided with bayonet socket of flap cover 14 and the spherical flap 13.
Be to be understood that; Has gap 15 between the opposite end that is provided with bayonet socket of flap cover 14 and the spherical flap 13; Overlap under the situation of 14 inside when the utility model is set to valve rod 11 be inserted into flap, this gap 15 is specially the end of valve rod 11 and the gap between the spherical flap 13.Certainly, valve rod 11 is set to do not stretch under the situation of flap cover 14 inside at the utility model, this gap 15 is specially flap cover 14 and is provided with the sidewall of bayonet socket opposite end and the gap between the spherical flap.
If in addition, it is pointed out that above-mentioned gap 15 excessive, when spherical stop valve need end operation, spherical flap 13 can not effectively compress with seam 121, so can not realize ending of spherical stop valve.Therefore, above-mentioned gap 15 should not be excessive, and its concrete big I specifically is provided with according to actual conditions, and the utility model is not done concrete qualification.
In sum; Spherical flap 13 is connected in the flap cover 14; Because flap cover 14 is provided with bayonet socket, the line distance between any 2 of this bayonet socket overlaps 14 all less than the maximum diameter of spherical flap so the part of spherical flap 13 can expose to flap; And the part that exposes to flap cover 14 can match with the seam 121 of valve body 12, and then realizes ending and conducting of spherical stop valve.In addition owing to have gap 15 between the end of valve rod 11 and the spherical flap 13, so spherical flap 13 and seam 121 be separated the time, have gap 15 between spherical flap 13 and valve rod 11 ends, rotation can take place in spherical flap 13 under the active force of fluid.And in the process that spherical flap 13 and seam 121 compress; Gap 15 between the end of spherical flap 13 and valve rod 11 reduces to connect until the end of spherical flap 13 with valve rod 11 gradually; And then under the butt power effect of valve rod 11; Spherical flap 13 can be pressed in seam 121, and then realizes ending of spherical stop valve.
So be provided with, when spherical flap 13 was separated with seam 121, under the active force of fluid, rotation can take place in spherical flap 13 in flap cover 14, and then it constantly changes with face that seam 121 matches, so the wearing and tearing of its spherical flap will reduce greatly.In addition, because rotation can take place spherical flap 13,, and then the problems of spherical flap 13 local easy accumulated impurities have been evaded so fluid can more comprehensively wash its outer circumferential face.Therefore, the spherical stop valve that the utility model provides, it can effectively solve the local technical problem that is prone to produce wearing and tearing and the easy accumulated impurity of local surfaces of flap.
In the preferred version of this embodiment, bayonet socket can be specially circular bayonet socket.The diameter that it is pointed out that circular bayonet socket needs the maximum diameter less than spherical flap 13, is separated through circular bayonet socket and flap cover 14 to avoid spherical flap 13.
So be provided with, with respect to the bayonet socket of other shape, such as, the bayonet socket of shapes such as square, rectangular, triangle, circular bayonet socket and the clamping area between the spherical flap 13 that this embodiment provided are bigger.So, effectively reduce the contact stress between bayonet socket and the spherical flap 13, so effectively evaded bayonet socket because of and spherical flap 13 between contact stress excessive, and cause spherical flap 13 or the impaired problem of bayonet socket.
In order more easily flap cover 14 to be connected in the end of valve rod 11, this embodiment can be described below.Can be connected with flap upper shield 16 on the outer circumferential face of the end of valve rod 11, flap cover 14 can be connected in the end of valve rod 11 through flap upper shield 16.The end face of valve rod 11 is inserted into the inside of flap cover 14, has gap 15 between the end face of valve rod 11 and the spherical flap 13.Wherein flap cover 14 can be through being threaded with flap upper shield 16, and flap cover 14 is provided with internal thread, and flap upper shield 16 is provided with outside thread.Certainly, flap cover 14 also can be connected in flap upper shield 16 through alternate manner, such as, Placements such as clamping, welding.So be provided with, flap cover 14 can be connected with flap upper shield 16 through being threaded reliably.
In addition; Need to prove that when spherical stop valve was in cut-off state, the end face of valve rod 11 was pressed in spherical flap 13; If valve rod 11 is a plane structure with spherical flap 13 contacted end faces; Contact between the two is for the some contact, so the contact stress between the two is bigger, the end face of spherical flap 13 and valve rod 11 is prone to impaired.
Given this, the spherical stop valve that this embodiment provided, its valve rod 11 are inserted into flap cover 14 inner end faces and are provided with and spherical flap 13 corresponding circular arc concave surfaces 111, and have gap 15 between circular arc concave surface 111 and the spherical flap 13.
So be provided with, valve rod 11 is an arc surface with the surface of contact of spherical flap 13, effectively reduces the contact stress between the two, and then the end face of effectively having evaded spherical flap 13 and valve rod 11 is prone to impaired problem.
Certainly, in order further to reduce the contact stress between spherical flap 13 and the valve rod 11, the curvature of circular arc concave surface 111 equates with the curvature of spherical flap 13.So be provided with, circular arc concave surface 111 can fit with spherical flap 13 fully, and then drops to the contact stress between the two minimum.
Certainly, in order effectively to reduce the contact stress between seam 121 and the spherical flap 13, simultaneously, make to have more sealing effect between the two.The spherical stop valve that this embodiment provided, the sidewall of its seam 121 also can be the convex structure suitable with spherical flap 13.
So be provided with, the area of contact between seam 121 and the spherical flap 13 is bigger, and then can effectively reduce the contact stress between seam 121 and the spherical flap 13, simultaneously, makes to have more sealing effect between the two.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiments shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. spherical stop valve; Comprise valve rod, have seam valve body and with the suitable flap of said seam; It is characterized in that; Said flap is spherical flap, and said valve rod is installed with the flap cover with the end that said spherical flap is connected, and said spherical flap is arranged in the said flap cover; And said flap cover and said seam near an end be provided with line between wantonly 2 apart from bayonet socket less than the maximum diameter of said spherical flap, have the gap between opposite end that is provided with said bayonet socket that said flap overlaps and the said spherical flap.
2. spherical stop valve as claimed in claim 1 is characterized in that, said bayonet socket is circular bayonet socket, and the diameter of said circular bayonet socket is less than the maximum diameter of said spherical flap.
3. spherical stop valve as claimed in claim 2; It is characterized in that; The periphery that said valve rod is provided with an end of said flap cover is installed with the flap upper shield; Said flap cover is connected with said valve rod through said flap upper shield, and said valve rod is inserted into said flap cover, has the gap between the end face of said valve rod and the said spherical flap.
4. spherical stop valve as claimed in claim 3; It is characterized in that; The outer circumferential face of said flap upper shield is provided with outside thread, and said flap is arranged with and the suitable internal thread of said outside thread, and said flap cover is connected in said flap upper shield through said outside thread and said internal thread.
5. spherical stop valve as claimed in claim 3 is characterized in that, said valve rod is inserted into the inner end face of said flap cover and is provided with and the corresponding circular arc concave surface of said spherical flap, and has the gap between said circular arc concave surface and the said spherical flap.
6. spherical stop valve as claimed in claim 5 is characterized in that, the curvature of said circular arc concave surface equates with the curvature of said spherical flap.
7. spherical stop valve as claimed in claim 6 is characterized in that, the sidewall of said seam is and the suitable convex structure of said spherical flap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203070101U CN202215758U (en) | 2011-08-22 | 2011-08-22 | Spherical stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203070101U CN202215758U (en) | 2011-08-22 | 2011-08-22 | Spherical stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202215758U true CN202215758U (en) | 2012-05-09 |
Family
ID=46015014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203070101U Expired - Lifetime CN202215758U (en) | 2011-08-22 | 2011-08-22 | Spherical stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202215758U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405895A (en) * | 2014-11-17 | 2015-03-11 | 南通龙源电站阀门有限公司 | Novel stop valve |
| CN105927745A (en) * | 2016-07-04 | 2016-09-07 | 岳阳东方自控工程设备有限公司 | Stop valve with double automatic aligning and sealing assemblies |
| CN107965599A (en) * | 2017-12-11 | 2018-04-27 | 洛阳名力科技开发有限公司 | Shut-off valve |
| CN108626409A (en) * | 2017-03-17 | 2018-10-09 | 双恒阀门集团有限公司 | A kind of emergency isolation valve |
-
2011
- 2011-08-22 CN CN2011203070101U patent/CN202215758U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405895A (en) * | 2014-11-17 | 2015-03-11 | 南通龙源电站阀门有限公司 | Novel stop valve |
| CN105927745A (en) * | 2016-07-04 | 2016-09-07 | 岳阳东方自控工程设备有限公司 | Stop valve with double automatic aligning and sealing assemblies |
| CN105927745B (en) * | 2016-07-04 | 2018-10-23 | 湖南西爱斯流体控制设备有限公司 | Dual automatic capturing sealed stop valve |
| CN108626409A (en) * | 2017-03-17 | 2018-10-09 | 双恒阀门集团有限公司 | A kind of emergency isolation valve |
| CN107965599A (en) * | 2017-12-11 | 2018-04-27 | 洛阳名力科技开发有限公司 | Shut-off valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |
|
| CX01 | Expiry of patent term |