CN212297624U

CN212297624U - Ceramic angle type plunger valve

Info

Publication number: CN212297624U
Application number: CN202020317704.2U
Authority: CN
Inventors: 谢宗华; 洪红明; 许春旺; 陈忠丽
Original assignee: Sun Yeh Control Valve Group Co ltd; Qingdao Fatian Control Instrument Co ltd
Current assignee: Sun Yeh Control Valve Group Co ltd; Qingdao Fatian Control Instrument Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2021-01-05
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a pottery angle formula plunger valve, include: the valve comprises a valve body, a packing box body, a ceramic plunger and a ceramic lining arranged in the valve body, wherein the ceramic plunger penetrates through the packing box body, the upper end of the ceramic plunger extends into a valve rod protective cover and is connected with a valve rod through a valve rod holding piece, the lower end of the ceramic plunger extends into a valve cavity, and the ceramic lining comprises a ceramic connecting pipe, a ceramic valve seat, a ceramic middle body and a ceramic gland; meanwhile, the joint of the ceramic plunger and the filler box body is sealed by adopting a lubricating filler and a filler I, so that internal and external leakage is avoided, and the valve can be rapidly opened and closed due to the smooth characteristic of the ceramic structure of the ceramic plunger.

Description

Ceramic angle type plunger valve

Technical Field

The invention relates to the technical field of plunger valves, in particular to a ceramic angle type plunger valve.

Background

The angle plunger valve is a valve which is common, has simple structure and convenient use, and the working principle is that a valve rod is driven to ascend or descend by a driving device such as a manual operation assembly, a hydraulic cylinder or a pneumatic cylinder, and then the plunger is driven to ascend and descend to play the role of opening and closing the valve. The angle plunger valve in the prior art is single in structure, valve body components of the angle plunger valve are mostly made of iron, and the situations that the angle plunger valve is easy to block and severely erode and abrade when transporting media such as black water media, heavy alkali lime cream media and the like which are high in temperature, strong in corrosivity and contain impurities are undoubtedly caused.

The chinese patent with application number 201821048781.1 discloses a pottery angle valve, through set up ceramic base at the valve body inner chamber, body and ceramic outlet prevent corroding, erode in the pottery, but can not stop among this technical scheme that the transportation medium contacts rather than valve body inner chamber top and the valve rod of being made by iron, be in the strong corrosion for a long time when the angle valve, under the operating mode that the height erodeed, still can cause the corruption of valve body and valve rod, wearing and tearing, and then cause the sealing performance to reduce, the regulation performance subalternation problem.

Disclosure of Invention

The utility model aims at providing a pottery angle formula plunger valve to solve the problem that above-mentioned prior art exists, make plunger valve and medium contact segment be structural ceramic, have higher stand wear and tear, corrosion-resistant, antiscour ability, effectively improve the plunger valve in the corrosivity strong, erode the life in operating modes such as severe.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a ceramic angle plunger valve, including valve body, packing box, valve rod component and setting up the ceramic inside lining in the valve body, the valve body includes the import runner, valve pocket and the export runner that are linked together, valve rod component includes valve rod visor, valve rod embrace piece and ceramic plunger, the packing box is fixed in the valve body upper end, the valve rod visor is fixed in the packing box upper end, the ceramic plunger runs through the packing box setting, and its upper end stretches into in the valve rod visor is connected with the valve rod through the valve rod embrace piece, the ceramic plunger lower extreme stretches into the valve pocket, the valve rod upper end stretches out the valve rod visor is connected with external drive device, the ceramic inside lining includes ceramic takeover, ceramic valve seat, ceramic midbody and ceramic gland, the ceramic takeover is fixed at the internal surface of import runner, the ceramic valve seat is fixed on the inner surface of the outlet flow passage, the ceramic middle body is fixed on the circumferential inner surface of the valve cavity, the ceramic gland is fixed on the top surface of the valve cavity, the top surface of the ceramic middle body is in contact with the bottom surface of the ceramic gland, the bottom surface of the ceramic middle body is in contact with the top surface of the ceramic valve seat, the side surface of the ceramic middle body is in contact with the outlet side surface of the ceramic connecting pipe, and a through hole matched with the internal flow passage of the ceramic connecting pipe is formed.

Preferably, a lubricating filler, a spacer bush, a filler I and a filler pressing bush I are sequentially arranged between the interior of the filler box body and the ceramic plunger from bottom to top, and the filler pressing bush I is pressed by a filler pressing plate I.

Preferably, a packing II is arranged between the valve rod and the valve rod protective cover, a packing pressing sleeve II is arranged at the upper end of the packing II, and the packing pressing sleeve II is pressed through a packing pressing plate II.

Preferably, the bottom of the ceramic plunger is of a spherical structure, and the top of the ceramic valve seat is a sealing spherical surface which is matched and sealed with the ceramic plunger.

Preferably, the ceramic connecting pipe is provided with a trumpet-shaped inlet, the size of the trumpet-shaped inlet is the largest as the trumpet-shaped inlet is closer to the external inlet end, the bottom of the ceramic valve seat is provided with a trumpet-shaped outlet, and the size of the trumpet-shaped outlet is larger as the trumpet-shaped outlet is closer to the bottom outlet end.

Preferably, the packing pressing plate I is connected to the packing box body through a bolt, the packing pressing plate II is connected to the valve rod protective cover through a bolt, and the valve rod protective cover is connected with the packing box body and the packing box body is connected with the valve body through bolts.

Preferably, the outlet flow passage of the valve body is externally connected with a flange.

Compared with the prior art, the invention has the following technical effects:

1. the utility model discloses in be ceramic plunger, ceramic takeover, ceramic disk seat, pottery with medium contact segment body and ceramic gland be structural ceramic, can be used to control the flow of various types of fluid such as air, water, steam, various corrosive medium, mud, oil, liquid metal and radioactive medium. The valve has higher wear resistance, corrosion resistance and anti-scouring capability, effectively prolongs the service life of the valve under the working conditions of strong corrosivity, severe scouring and the like, and has the service life 4-8 times that of a common metal valve.

2. The joint of the ceramic plunger and the filler box body is sealed by adopting a lubricating filler and a filler I, so that internal and external leakage is avoided, and meanwhile, the valve can be rapidly opened and closed due to the smooth characteristic of the ceramic structure of the ceramic plunger.

3. The ceramic plunger and the ceramic valve seat are sealed in a spherical matching way, so that the precise and balanced adjustment control of the medium is realized, and the sealing performance of the valve is ensured.

4. The utility model discloses well horn shape entry and horn shape export form venturi structure, can make the medium produce the suction effect when flowing through the ceramic valve body inner chamber that the body and ceramic gland constitute in the pottery, and the fluid is fast through this cavity velocity of flow, can prevent that impurity in medium or the medium from producing deposit, card stifled in the valve pocket, and self-cleaning performance is good. Meanwhile, after the medium flows through the inner cavity of the ceramic valve body, the flow speed and the pressure are both reduced rapidly, so that the scouring of the high-pressure and high-speed flowing medium to the outlet of the ceramic valve seat can be effectively reduced, and the service life of the valve is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic diagram of the general structure of a ceramic angle plunger valve;

wherein, 1-flange; 2-a valve body; 3-a ceramic valve seat; 4-ceramic connection pipe; 5-a ceramic plunger; 6-ceramic mesosome; 7-ceramic gland bush; 8-lubricating filler; 9-spacer bush; 10-a stuffing box body; 11-filler I; 12-packing press sleeve I; 13-packing press plate I; 14-a valve stem clasp; 15-a valve stem; 16-a valve stem protective cap; 17-filler ii; 18-packing press sleeve II; and 19 packing press plates II.

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.

The utility model aims at providing a pottery angle formula plunger valve to solve the problem that prior art exists, make plunger valve and medium contact segment be structural ceramics, have higher stand wear and tear, corrosion-resistant, antiscour ability, effectively improve the plunger valve in the corrosivity strong, erode the life in the operating mode such as severe.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in figure 1, the utility model provides a ceramic angle plunger valve, including valve body 2, packing box 10, valve stem assembly and set up the ceramic inside lining in the valve body 2, wherein be provided with the inlet flow channel, valve pocket and the outlet flow channel that communicate each other in the valve body 2, valve stem assembly includes valve stem visor 16, valve stem 15, valve stem embrace piece 14 and ceramic plunger 5, packing box 10 is fixed in the upper end of valve body 2, valve stem visor 16 is fixed in the upper end of packing box 10, ceramic plunger 5 passes the packing box 10 inner chamber, its upper end stretches into in the valve stem visor 16 and is connected with valve stem 15 through valve stem embrace piece 14, its lower end stretches into the valve chamber of valve body 2, the upper end of valve stem 15 stretches out valve stem visor 16 and is connected with external drive device, external drive device can be drive arrangement such as manually operation subassembly, pneumatic cylinder or pneumatic cylinder, through the up-and-down motion of drive control valve stem 15 and ceramic, and the opening and the closing of the ceramic angle type plunger valve are realized. The ceramic lining comprises a ceramic connecting pipe 4, a ceramic valve seat 3, a ceramic middle body 6 and a ceramic gland 7, wherein the ceramic connecting pipe 4 is fixed on the inner surface of an inlet flow passage, the ceramic valve seat 3 is fixed on the inner surface of an outlet flow passage, the ceramic middle body 6 is fixed on the circumferential inner surface of a valve cavity, the ceramic gland 7 is fixed on the top surface of the valve cavity, the top surface of the ceramic middle body 6 is in contact with the bottom surface of the ceramic gland 7, the bottom surface of the ceramic middle body 6 is in contact with the top surface of the ceramic valve seat 3, the side surface of the ceramic middle body 6 is in contact with the surface of the outlet side of the ceramic connecting pipe 4, and.

The utility model discloses well ceramic takeover 4, ceramic disk seat 3, body 6 and ceramic gland 7 are structural ceramic in the pottery, structural ceramic has high temperature resistant, it is resistant to erode, it is corrosion-resistant, high rigidity, high strength, excellent mechanics such as low creep rate, calorifics, chemical properties, when ceramic angle plunger valve is opened, the medium is taken over 4 entering valve cavitys through the pottery of fixing at the import runner internal surface, then flow in fix in the ceramic valve body inner chamber of body 6 and ceramic gland 7 constitution in the ceramic valve body internal surface of valve cavity, at last through fixing the ceramic disk seat 3 outflow at the export runner internal surface, whole in-process is structural ceramic with medium contact segment, the washing away that the medium caused to valve body 2 has been avoided, the corruption, harm such as wearing and tearing. In addition, ceramic plunger 5 is also structural ceramic, and runs through the gland setting for the contact between medium and the valve rod subassembly is only ceramic plunger 5 in the valve pocket part of valve body 2, so also avoided the medium to the harm of components such as plunger and valve rod 15, guaranteed the leakproofness of ceramic angle plunger valve, effectively improve the valve in the working condition such as the corrosivity is strong, erode the severity.

In order to ensure the sealing performance of the plunger, a lubricating filler 8, a spacer 9, a filler I11 and a filler pressing sleeve I12 are sequentially arranged between the interior of the filler box body 10 and the ceramic plunger 5 from bottom to top, the filler pressing sleeve I12 is pressed by a filler pressing plate I13, and the filler pressing plate I13 is fixed on the filler box body 10 through bolts for simple and stable connection. The joint of the ceramic plunger 5 and the packing box body 10 is sealed by the lubricating packing 8 and the packing I11 in a double-layer mode, so that internal and external leakage is avoided, and meanwhile, due to the smooth characteristic of the ceramic structure of the ceramic plunger 5, the valve can be rapidly opened and closed.

In order to ensure the sealing performance of the valve rod 15, a packing II 17 is arranged between the valve rod 15 and the valve rod protection cover 16, a packing pressing sleeve II 18 is arranged at the upper end of the packing II 17 and is pressed tightly through a packing pressing plate II 19, and the packing pressing plate II 19 is fixed on the valve rod protection cover 16 through bolts in order to ensure simple and stable connection.

In order to realize the accurate and balanced regulation control of a medium and the sealing performance of the valve, the bottom of the ceramic plunger 5 is of a spherical structure, and the top of the ceramic valve seat 3 is provided with a sealing spherical surface which is matched and sealed with the ceramic plunger 5, so that the ceramic plunger 5 and the ceramic valve seat 3 form spherical surface matching sealing.

The utility model discloses in, 4 are equipped with tubaeform entries in the pottery takeover, it is the biggest that this tubaeform entry is close to the outside entry end size of medium more, be equipped with tubaeform export in 3 bottoms of ceramic disk seat, this tubaeform export is close to bottom medium outflow end size more big more, export through setting up tubaeform entry and tubaeform and form venturi structure, can make the medium produce the suction effect when the ceramic valve body inner chamber that body 6 and ceramic gland 7 constitute in the pottery, the fluid is fast through this cavity velocity of flow, can prevent that the impurity in medium or the medium from producing the deposit in the valve pocket, the card is stifled, self-cleaning performance is good. Meanwhile, after the medium flows through the inner cavity of the ceramic valve body, the flow speed and the pressure are both reduced rapidly, so that the scouring of the high-pressure and high-speed flowing medium to the outlet of the ceramic valve seat 3 can be effectively reduced, and the service life of the valve is prolonged.

The utility model discloses in, all adopt bolted connection between valve rod visor 16 and packing box 10, packing box 10 and valve body 2.

The utility model discloses in, the external flange 1 of outlet flow channel of valve body 2 is connected with the outside pipeline through flange 1.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A ceramic angle plunger valve characterized in that: the valve comprises a valve body, a packing box body, a valve rod assembly and a ceramic lining arranged in the valve body, wherein the valve body comprises an inlet flow passage, a valve cavity and an outlet flow passage which are communicated, the valve rod assembly comprises a valve rod protective cover, a valve rod holding piece and a ceramic plunger, the packing box body is fixed at the upper end of the valve body, the valve rod protective cover is fixed at the upper end of the packing box body, the ceramic plunger penetrates through the packing box body, the upper end of the ceramic plunger extends into the valve rod protective cover and is connected with the valve rod through the valve rod holding piece, the lower end of the ceramic plunger extends into the valve cavity, the upper end of the valve rod extends out of the valve rod protective cover and is connected with an external driving device, the ceramic lining comprises a ceramic connecting pipe, a ceramic valve seat, a ceramic middle body and a, the ceramic middle body is fixed on the circumferential inner surface of the valve cavity, the ceramic gland is fixed on the top surface of the valve cavity, the top surface of the ceramic middle body is in contact with the bottom surface of the ceramic gland, the bottom surface of the ceramic middle body is in contact with the top surface of the ceramic valve seat, the side surface of the ceramic middle body is in contact with the outlet side surface of the ceramic connecting pipe, and a through hole matched with an internal flow passage of the ceramic connecting pipe is formed.

2. The ceramic angle plug valve of claim 1, wherein: the lubricating filler, the spacer bush, the filler I and the filler pressing bush I are sequentially arranged between the interior of the filler box body and the ceramic plunger from bottom to top, and the filler pressing bush I is pressed by the filler pressing plate I.

3. The ceramic angle ram valve of claim 2, wherein: the packing device is characterized in that a packing II is arranged between the valve rod and the valve rod protective cover, a packing pressing sleeve II is arranged at the upper end of the packing II, and the packing pressing sleeve II is tightly pressed through a packing pressing plate II.

4. The ceramic angle plug valve of claim 1, wherein: the bottom of the ceramic plunger is of a spherical structure, and the top of the ceramic valve seat is a sealing spherical surface which is matched and sealed with the ceramic plunger.

5. The ceramic angle spool valve of claims 1 or 4, wherein: the ceramic connecting pipe is provided with a horn-shaped inlet, the size of the horn-shaped inlet is the largest when the horn-shaped inlet is close to the external inlet end, the bottom of the ceramic valve seat is provided with a horn-shaped outlet, and the size of the horn-shaped outlet is larger when the horn-shaped outlet is close to the bottom outlet end.

6. The ceramic angle ram valve of claim 3, wherein: the packing pressing plate I is connected to the packing box body through bolts, and the packing pressing plate II is connected to the valve rod protection cover through bolts.

7. The ceramic angle plug valve of claim 1, wherein: the valve rod protective cover is connected with the packing box body and the packing box body is connected with the valve body through bolts.

8. The ceramic angle plug valve of claim 1, wherein: and the outlet flow channel of the valve body is externally connected with a flange.