CN202561087U - High-intensity gate valve - Google Patents
High-intensity gate valve Download PDFInfo
- Publication number
- CN202561087U CN202561087U CN2012202279148U CN201220227914U CN202561087U CN 202561087 U CN202561087 U CN 202561087U CN 2012202279148 U CN2012202279148 U CN 2012202279148U CN 201220227914 U CN201220227914 U CN 201220227914U CN 202561087 U CN202561087 U CN 202561087U
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- China
- Prior art keywords
- valve
- valve plate
- plate
- gate
- valve rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a high-intensity gate valve which comprises a valve body, wherein a valve cover is fixed on the valve body; a valve body inner cavity is formed in the valve body; a valve plate is arranged in the valve body inner cavity; a valve plate cavity is formed in the valve cover; a valve plate slide way is formed on the valve cover and positioned between the valve plate cavity and the valve body inner cavity; a valve rod is arranged in the valve plate cavity; a valve rod bracket is fixed on the valve cover; one end of the valve rod is connected with the valve plate, the other end of the valve rod extends out of the valve plate cavity, and a lifting device is arranged between the other end of the valve rod and the valve rod bracket; a valve seat matched with the valve plate in a sealing manner is arranged in the valve body inner cavity; and reinforcement ribs are respectively arranged on the outer surface of the valve body and two plate surfaces of the valve plate. According to the high-intensity gate valve, the reinforcement ribs are arranged on the surface of the valve plate and the surface of the valve body, so that the rigidity of the whole gate valve is improved, deformation is reduced, and the use safety of the valve can be guaranteed.
Description
Technical field
The utility model relates to a kind of valve, relates in particular to a kind of gate valve that is suitable for plumbing and petrochemical industry use.
Background technique
Gate valve generally is used in urban water supply and sewerage and petrochemical industry; Mainly be used for blocking the flowing medium in the pipeline, the gate valve that generally uses at present generally is made up of component such as valve body, valve seat, valve gap, flashboard, valve rod, valve rod support and handwheels, and valve plate meeting in use is straight line motion up and down; Its moving direction is vertical with the flow direction of flowing medium; But traditional gate valve valve plate is rough, when cutting off or opening pipeline passway, and can be bigger with flowing medium generation friction and frictional force; Make flowing medium in pipeline, produce vibrations easily so that cause water hammer; If the smoother do on the surface of valve plate can influence its rigidity again, therefore be unfavorable for the safe operation of valve body and pipeline.
Summary of the invention
The utility model technical problem to be solved provides a kind of good sealing effect, intensity high tenacity gate valve big, safe in utilization.
For solving the problems of the technologies described above, the technological scheme of the utility model is: the high tenacity gate valve comprises valve body; Be fixed with valve gap on the said valve body, said valve body is provided with body cavity, is provided with valve plate in the said body cavity; Be provided with the valve plate chamber in the said valve gap; Between said valve plate chamber and said body cavity, be provided with the valve plate slideway on the said valve gap, on the said valve plate valve rod be installed, said valve gap is fixed with the valve rod support; Said valve rod one end connects said valve plate; The said valve rod the other end stretch out said valve plate chamber and and said valve rod support between be provided with lifting device, said body cavity is provided with the valve seat that is sealed and matched with said valve plate, is respectively equipped with stiffening rib on said valve outer surface and the said valve plate two plate faces.
As optimized technical scheme, be provided with the stainless steel sealing surface with said valve seat cooperation place on the said valve plate.
As optimized technical scheme; Said lifting device comprises the Stem Mut of thread set on the said valve rod; Said Stem Mut outer surface is provided with annular boss; Said boss upper and lower surface is respectively equipped with thrust ball bearing, and said thrust ball bearing is fixed on the said valve rod support through bearing gland, and said Stem Mut is fixedly connected with handwheel.
As optimized technical scheme, said valve rod end is provided with T shape connecting head, and said valve plate is provided with T shape connecting groove, and said T shape connecting head is plugged in the said T shape connecting groove, and is provided with taper pin between said T shape connecting head and the said valve plate.
As optimized technical scheme, said valve body and said valve seat are integral structure.
As the improvement to technique scheme, said valve plate both side surface is provided with guiding groove, and said valve plate slideway internal surface is provided with the gib block that cooperates with said guiding groove.
Owing to adopted technique scheme, the high tenacity gate valve comprises valve body; Be fixed with valve gap on the said valve body, said valve body is provided with body cavity, is provided with valve plate in the said body cavity; Be provided with the valve plate chamber in the said valve gap; Between said valve plate chamber and said body cavity, be provided with the valve plate slideway on the said valve gap, on the said valve plate valve rod be installed, said valve gap is fixed with the valve rod support; Said valve rod one end connects said valve plate; The said valve rod the other end stretch out said valve plate chamber and and said valve rod support between be provided with lifting device, said body cavity is provided with the valve seat that is sealed and matched with said valve plate, is respectively equipped with stiffening rib on said valve outer surface and the said valve plate two plate faces; The beneficial effect of the utility model is: be provided with stiffening rib at valve plate and valve body surface, help to improve the whole rigidity of gate valve, reduce distortion, guarantee the Security that valve uses.
Description of drawings
Fig. 1 is the half-sectional view of the utility model embodiment plan view;
Fig. 2 is the semi-section of the utility model embodiment left view;
Among the figure: the 1-valve body; The 2-valve gap; The 3-valve rod; 4-valve rod support; The 5-handwheel; The 6-valve plate; The 7-Stem Mut; The 8-boss; The 9-thrust ball bearing; The 10-bearing gland; The 11-taper pin; The 12-valve seat; The 13-stiffening rib; The 14-lubricating cup; 15-T shape connecting head; The 16-body cavity; The 17-guiding groove.
Embodiment
Below in conjunction with accompanying drawing and embodiment, further set forth the utility model.In the detailed description below, some example embodiment of the utility model has only been described through the mode of explanation.Undoubtedly, those of ordinary skill in the art can recognize, under the situation of spirit that does not depart from the utility model and scope, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used to limit the protection domain of claim.
Like the high tenacity gate valve shown in Fig. 1 and Fig. 2 are common; Comprise valve body 1; Be fixed with valve gap 2 on the said valve body 1; The lower end surface of the upper-end surface of valve body 1 and valve gap 2 is fixed with mounting flange respectively, and utilizes the bolts and nuts that are used that two mounting flanges connections are fixed up, and fixes with being connected of valve gap 2 to realize valve body 1.Said valve body 1 is provided with body cavity 16; Be provided with valve plate 6 in the said body cavity 16; Be provided with the valve plate chamber in the said valve gap 2, between said valve plate chamber and said body cavity 16, be provided with the valve plate slideway on the said valve gap 2, gate valve is when real work; Valve plate 6 moves up and down in the valve plate chamber along the valve plate slideway, realizes the connection of gate valve and ends.
Said valve plate is provided with valve rod 3 in the chamber, and said valve gap 2 is fixed with valve rod support 4, and said valve rod 3 one ends connect said valve plate 6; Said valve rod 3 the other ends stretch out said valve plate chamber and and said valve rod support 4 between be provided with lifting device; Said lifting device comprises the Stem Mut 7 of thread set on the said valve rod 3, and said Stem Mut 7 outer surfaces are provided with annular boss 8, and said boss 8 upper and lower surfaces are respectively equipped with thrust ball bearing 9; Said thrust ball bearing 9 is fixed on the said valve rod support 4 through bearing gland 10; Said Stem Mut 7 is fixedly connected with handwheel 5, rotates handwheel 5, valve rod 3 is gone up in position produced upper and lower displacement; Drive valve plate 6 simultaneously and do straight line motion up and down, realize controlling the unlatching of gate valve or closing.
Said valve rod 3 ends of present embodiment are provided with T shape connecting head 15; Said valve plate 6 is provided with T shape connecting groove; Said T shape connecting head 15 is plugged in the said T shape connecting groove, and is provided with taper pin 11 between said T shape connecting head 15 and the said valve plate 6, and realization valve rod 3 was fixed with being connected of valve plate 6; This connecting means is simple, and demolition and maintenance are convenient.Said valve plate 6 both side surface are provided with guiding groove 17, and said valve plate slideway internal surface is provided with the gib block that cooperates with said guiding groove 17, and during the gate valve real work, guiding groove 17 moves up along gib block, prevent to produce when valve plate 6 from moving up and down the axial displacement deviation.
Said body cavity 16 is provided with the valve seat 12 that is sealed and matched with said valve plate 6, and said valve body 1 be integral structure with said valve seat 12, is convenient to manufacturing, simplified processing process, and the while can reduce breakthrough.Be respectively equipped with stiffening rib 13 on 6 liang of plate faces of said valve body 1 outer surface and said valve plate, valve body 1 outer wall thickness is not waited, strengthened the rigidity of valve body 1, reduce the distortion probability of valve body 1 in the using process, guarantee the quality of gate valve.
Be provided with the stainless steel sealing surface with said valve seat 12 cooperation places on the said valve plate 6, the stainless steel sealing surface of present embodiment adopts special built-up welding welding procedure, and stainless steel material can be selected the smart steel of 316L; After the welding of stainless steel sealing surface; The solder bond position is firmly durable, and the stainless steel sealing surface has following characteristics before and after welding: do not need preheating, not slow cooling of postwelding before the weldering, and post welding distortion is little; Help to improve the quality of valve plate 6 sealing surfaces, can prolong the working life of valve effectively.Be provided with the stainless steel sealing surface on the surface of valve plate 6, when having reduced valve plate 6 actions and the friction between the flowing medium, can avoid flowing medium in pipeline, to produce shaking or cause water hammer, help the safe operation of pipeline.
Said valve rod support 4 is provided with lubricating cup 14 and is communicated with the oil duct of said lubricating cup 14 and said valve rod 3, is convenient to the interpolation of valve rod 3 lubricant oil, to guarantee the flexibility of valve rod, makes operation more laborsaving.
The utility model medium runner is unobstructed, and does not turn round a little in the valve, so fluid resistance is little, and anti-washing away, it is little that sealing surface receives the erosion of medium during full open, can be widely used on the mobile looped network pipeline of medium two directions, and safety in utilization is stable.
More than show and described the advantage of basic principle, major character and the utility model of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (6)
1. the high tenacity gate valve comprises valve body, it is characterized in that: be fixed with valve gap on the said valve body; Said valve body is provided with body cavity, is provided with valve plate in the said body cavity, is provided with the valve plate chamber in the said valve gap; Between said valve plate chamber and said body cavity, be provided with the valve plate slideway on the said valve gap, on the said valve plate valve rod be installed, said valve gap is fixed with the valve rod support; Said valve rod one end connects said valve plate; The said valve rod the other end stretch out said valve plate chamber and and said valve rod support between be provided with lifting device, said body cavity is provided with the valve seat that is sealed and matched with said valve plate, is respectively equipped with stiffening rib on said valve outer surface and the said valve plate two plate faces.
2. high tenacity gate valve as claimed in claim 1 is characterized in that: be provided with the stainless steel sealing surface with said valve seat cooperation place on the said valve plate.
3. high tenacity gate valve as claimed in claim 1; It is characterized in that: said lifting device comprises the Stem Mut of thread set on the said valve rod; Said Stem Mut outer surface is provided with annular boss; Said boss upper and lower surface is respectively equipped with thrust ball bearing, and said thrust ball bearing is fixed on the said valve rod support through bearing gland, and said Stem Mut is fixedly connected with handwheel.
4. high tenacity gate valve as claimed in claim 1; It is characterized in that: said valve rod end is provided with T shape connecting head; Said valve plate is provided with T shape connecting groove, and said T shape connecting head is plugged in the said T shape connecting groove, and is provided with taper pin between said T shape connecting head and the said valve plate.
5. high tenacity gate valve as claimed in claim 1 is characterized in that: said valve body and said valve seat are integral structure.
6. like each described high tenacity gate valve in the claim 1 to 5, it is characterized in that: said valve plate both side surface is provided with guiding groove, and said valve plate slideway internal surface is provided with the gib block that cooperates with said guiding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202279148U CN202561087U (en) | 2012-05-21 | 2012-05-21 | High-intensity gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202279148U CN202561087U (en) | 2012-05-21 | 2012-05-21 | High-intensity gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202561087U true CN202561087U (en) | 2012-11-28 |
Family
ID=47210746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202279148U Expired - Fee Related CN202561087U (en) | 2012-05-21 | 2012-05-21 | High-intensity gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202561087U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704613A (en) * | 2016-12-16 | 2017-05-24 | 天津惠博普管道技术有限公司 | Manual sandwich valve |
| CN109812592A (en) * | 2019-03-08 | 2019-05-28 | 河南宇宙流体科技有限公司 | A kind of high performance steel gate valve |
| CN111120672A (en) * | 2020-01-21 | 2020-05-08 | 石家庄耐斯特机械阀业有限公司 | Special valve for under-pressure hole opening |
-
2012
- 2012-05-21 CN CN2012202279148U patent/CN202561087U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704613A (en) * | 2016-12-16 | 2017-05-24 | 天津惠博普管道技术有限公司 | Manual sandwich valve |
| CN109812592A (en) * | 2019-03-08 | 2019-05-28 | 河南宇宙流体科技有限公司 | A kind of high performance steel gate valve |
| CN111120672A (en) * | 2020-01-21 | 2020-05-08 | 石家庄耐斯特机械阀业有限公司 | Special valve for under-pressure hole opening |
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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: 20121128 Termination date: 20150521 |
|
| EXPY | Termination of patent right or utility model |