CN204784828U - Wear -resisting corrosion -resistant ball valve of steel lining pottery - Google Patents
Wear -resisting corrosion -resistant ball valve of steel lining pottery Download PDFInfo
- Publication number
- CN204784828U CN204784828U CN201520560456.3U CN201520560456U CN204784828U CN 204784828 U CN204784828 U CN 204784828U CN 201520560456 U CN201520560456 U CN 201520560456U CN 204784828 U CN204784828 U CN 204784828U
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- valve
- ceramic
- valve rod
- pottery
- spheroid
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Abstract
The utility model discloses a wear -resisting corrosion -resistant ball valve of steel lining pottery, which comprises the following components: a valve body, a valve cove, a valve sea, the spheroid, valve rod and actuating mechanism, body pottery in the valve body inner wall is equipped with, the disk seat is ceramic disk seat, inner wall at the valve gap is equipped with the pottery takeover, the spheroid is ceramic spheroid, be equipped with to ceramic disk seat top to spheroidal spring between one of them ceramic disk seat and the valve gap of being connected this pottery disk seat, still include the packing box, the packing box passes through screw fixed connection with the valve body, sealing washer sealing connection is passed through with valve body and well body pottery respectively in the packing box periphery, through sealing washer sealing connection between packing box inner wall and the valve rod, valve rod upper end diameter is less than valve rod lower extreme diameter, and has a stair structure on the valve rod, a clamp plate has on the packing box, the lower terminal surface of clamp plate sticiss the step face on the valve rod. The utility model discloses simple structure, this valve have higher wearability, abrasion -resistance and corrosion resistance, and set up the clamp plate that compresses tightly the valve rod on the packing box, make the valve rod be difficult for the departure.
Description
Technical field
The utility model belongs to valve field, particularly relates to a kind of steel lining ceramic wear-resisting corrosion resistant ball valve.
Background technique
Feature contacts face in the medium of existing ball valve and valve body is metal covering or plastic cover, and it is perishable, and hardness is low, not wear-resisting, and existing valve body does not limit the device that valve rod moves, when valve pocket internal pressure is larger, valve rod flies out valve body, causes and leaks and damage.
Model utility content
For the deficiencies in the prior art, the utility model provides a kind of steel lining ceramic wear-resisting corrosion resistant ball valve.
The utility model is achieved by the following technical solution:
Steel lining ceramic wear-resisting corrosion resistant ball valve, comprise valve body, valve gap, valve seat, spheroid, valve rod and actuator, valve gap is two and is located at the two ends of valve body respectively, valve rod upper end connects actuator, valve rod lower end connects spheroid, body pottery in valve interior wall is provided with, valve seat is ceramic valve seat, middle body pottery is tightly connected by seal ring with ceramic valve seat, valve seat and valve gap are tightly connected by seal ring, pottery adapter is provided with at the inwall of valve gap, be tightly connected by seal ring between pottery adapter and ceramic valve seat, described spheroid is spheres of ceramic, spheres of ceramic and ceramic valve seat are tightly connected, wherein a ceramic valve seat be provided with the spring of ceramic valve seat top to spheroid between the valve gap being connected this ceramic valve seat, stuffing box is provided with between valve rod and valve body, stuffing box is fixedly connected with by screw with valve body, stuffing box periphery is tightly connected by seal ring with valve body and middle body pottery respectively, be tightly connected by seal ring between stuffing box inwall and valve rod, valve rod upper end diameter is less than valve rod lower end diameter, and there is a ledge structure on valve rod, stuffing box has a pressing plate, press the step surface on valve rod in the lower end surface of pressing plate.
With the valve gap of spring contact on there is a spring mounting hole, spring is placed in this spring mounting hole.
The described spring eye degree of depth is less than the length of spring.
Described actuator is handle or pneumatic actuator or electric actuator.
The beneficial effects of the utility model: the utility model structure is simple, and this valve has higher wear resistance, abrasion-resistance and corrosion resistance, and the pressing plate compressing valve rod is set on stuffing box, valve rod is not easily flown out.
Accompanying drawing explanation
Fig. 1 is structure sectional view of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.
Embodiment
As shown in Figure 1, steel lining ceramic wear-resisting corrosion resistant ball valve, comprise valve body 1, valve gap 2, valve seat 3, spheroid 4, valve rod 5 and actuator 6, valve gap 2 is two and is located at the two ends of valve body 1 respectively, valve rod 5 upper end connects actuator, valve rod lower end connects spheroid, body pottery 7 in valve interior wall is provided with, valve seat is ceramic valve seat, middle body pottery is tightly connected by seal ring with ceramic valve seat, valve seat and valve gap are tightly connected by seal ring, pottery adapter 12 is provided with at the inwall of valve gap 2, be tightly connected by seal ring between pottery adapter and ceramic valve seat, described spheroid is spheres of ceramic, spheres of ceramic and ceramic valve seat are tightly connected, wherein a ceramic valve seat be provided with the spring 8 of ceramic valve seat top to spheroid between the valve gap being connected this ceramic valve seat, stuffing box 9 is provided with between valve rod and valve body, stuffing box is fixedly connected with by screw with valve body, stuffing box periphery is tightly connected by seal ring with valve body and middle body pottery respectively, be tightly connected by seal ring between stuffing box inwall and valve rod, valve rod upper end diameter is less than valve rod lower end diameter, and there is a ledge structure on valve rod, stuffing box has a pressing plate 10, press the step surface 11 on valve rod in the lower end surface of pressing plate.
With the valve gap of spring contact on there is a spring mounting hole, spring is placed in this spring mounting hole.
The described spring eye degree of depth is less than the length of spring.
Described actuator is handle or pneumatic actuator or electric actuator.
Its main feature have following some: 1. the part of Wear-resistant ceramic ball valve and medium contact is structural ceramic material and particulate metal material, and structural ceramics chemical stability and extreme hardness (Rockwell hardness HRC88), be only second to diamond.Therefore, this valve has high wear-resistant, corrosion-resistant, erosive wear resistance, and thermal insulation is good, and thermal expansion is little.2. special valve rod and stuffing box composite structure, prevent medium from occurring the possibility leaked outside, ensure that the reliability of sealing.3. spheroid adopts advanced grinding equipment and manufacture technics, and ball circularity precision is high, and surface quality is good, with valve seat to after grinding, utilizes the self lubricity of structural ceramics, has good sealability.Revolutionize that metal hard-sealing ball valve easily leaks, moment of torsion is large, the not corrosion resistant shortcoming of sealing surface.4. ceramic valve seat, spheroid have good wear resistance, and make this valve durable in use, reliability is high, long service life, are titanium alloy valve and Monel valve 2 ~ 4 times.5. this valve is applicable to the granule medium of high hardness, or has soft particle but mordant medium pipeline be used as open and close.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, simple change and the replacement of those ordinary skill in the art are all within protection domain of the present utility model.
Claims (4)
1. steel lining ceramic wear-resisting corrosion resistant ball valve, comprise valve body, valve gap, valve seat, spheroid, valve rod and actuator, valve gap is two and is located at the two ends of valve body respectively, valve rod upper end connects actuator, valve rod lower end connects spheroid, it is characterized in that: body pottery in valve interior wall is provided with, valve seat is ceramic valve seat, middle body pottery is tightly connected by seal ring with ceramic valve seat, valve seat and valve gap are tightly connected by seal ring, pottery adapter is provided with at the inwall of valve gap, be tightly connected by seal ring between pottery adapter and ceramic valve seat, described spheroid is spheres of ceramic, spheres of ceramic and ceramic valve seat are tightly connected, wherein a ceramic valve seat be provided with the spring of ceramic valve seat top to spheroid between the valve gap being connected this ceramic valve seat, stuffing box is provided with between valve rod and valve body, stuffing box is fixedly connected with by screw with valve body, stuffing box periphery is tightly connected by seal ring with valve body and middle body pottery respectively, be tightly connected by seal ring between stuffing box inwall and valve rod, valve rod upper end diameter is less than valve rod lower end diameter, and there is a ledge structure on valve rod, stuffing box has a pressing plate, press the step surface on valve rod in the lower end surface of pressing plate.
2. steel lining ceramic wear-resisting corrosion resistant ball valve according to claim 1, is characterized in that: with the valve gap of spring contact on there is a spring mounting hole, spring is placed in this spring mounting hole.
3. steel lining ceramic wear-resisting corrosion resistant ball valve according to claim 2, is characterized in that: the described spring eye degree of depth is less than the length of spring.
4. the steel lining ceramic wear-resisting corrosion resistant ball valve according to claim 1 or 2 or 3, is characterized in that: described actuator is handle or pneumatic actuator or electric actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560456.3U CN204784828U (en) | 2015-07-29 | 2015-07-29 | Wear -resisting corrosion -resistant ball valve of steel lining pottery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560456.3U CN204784828U (en) | 2015-07-29 | 2015-07-29 | Wear -resisting corrosion -resistant ball valve of steel lining pottery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204784828U true CN204784828U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520560456.3U Active CN204784828U (en) | 2015-07-29 | 2015-07-29 | Wear -resisting corrosion -resistant ball valve of steel lining pottery |
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| CN (1) | CN204784828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465403A (en) * | 2015-12-20 | 2016-04-06 | 重庆市万通仪器仪表有限公司 | High-tightness ceramic valve |
-
2015
- 2015-07-29 CN CN201520560456.3U patent/CN204784828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465403A (en) * | 2015-12-20 | 2016-04-06 | 重庆市万通仪器仪表有限公司 | High-tightness ceramic valve |
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