WO2020143195A1 - Strong-corrosion-resistant anti-particle fluoroplastic fully lined stop valve - Google Patents
Strong-corrosion-resistant anti-particle fluoroplastic fully lined stop valve Download PDFInfo
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- WO2020143195A1 WO2020143195A1 PCT/CN2019/094195 CN2019094195W WO2020143195A1 WO 2020143195 A1 WO2020143195 A1 WO 2020143195A1 CN 2019094195 W CN2019094195 W CN 2019094195W WO 2020143195 A1 WO2020143195 A1 WO 2020143195A1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Definitions
- the invention relates to the technical field of valve design and production.
- the performance of this valve is unstable, the sealing effect is not good, the sealing surface is easy to be crushed, and it is easy to leak;
- the corrosion resistance is poor, easy to leak, the lining layer is easy to bulge and fall off, after the lining layer is damaged, the valve body and the bonnet base body are easily corroded and perforated, and the damage of the lining layer leads to
- the overall service life of the valve is short, which cannot meet the special requirements for long-term effective delivery of the medium. Once the toxic medium leaks, it will bring great harm to the surrounding environment and personal safety.
- the purpose of the present invention is to provide a particle-lined fluoroplastic fully-lined globe valve with strong corrosion resistance that can overcome the defects of the prior art.
- the invention includes a valve body provided with an inlet and an outlet, a valve cover connected to the valve body, a valve seat is provided in the valve body, a valve flap is provided on the valve seat, and a valve stem is provided on the upper end of the valve flap.
- the valve stem extends out of the valve cover, and a dynamic sealing structure is provided between the valve stem and the valve cover, a transmission nut is provided on the valve cover, a transmission screw is cooperatively arranged in the transmission nut, and a hand wheel is connected to one end of the transmission screw;
- a guide block for connecting the drive screw and the valve rod is provided between the other end of the drive screw and the end of the valve rod extending from the valve cover.
- the transmission screw rod and the valve rod are arranged separately, and the two are connected by a guide block.
- the connection is floating, and the valve rod only performs the lifting movement and does not perform the rotary movement, so that the valve flap sealing surface and the valve
- the body sealing surface has no adhesion and wear, and the sealing performance is good; at the same time, the wear between the valve stem and the packing is also reduced to ensure that the medium does not leak from the valve stem.
- the specific floating connection structure is: at the end of the transmission screw far away from the hand wheel, a first concave neck and a first boss are sequentially provided along the axial direction of the transmission screw, and at the end of the valve stem away from the valve flap
- the axial direction of the valve stem is provided with a second concave neck and a second boss in sequence, the first boss and the second boss are arranged oppositely, the guide block is wrapped around the first concave neck, the first boss, the second Outside the concave neck and the second boss, a concave-convex curved surface that cooperates with the first concave neck, the first boss, the second concave neck, and the second boss is provided on the inner surface of the guide block.
- the two bosses are clamped by two guide blocks to form a floating connection transmission mechanism, which reliably ensures that the valve is easy to open and close, the transmission screw torque is small, and the axial closing valve pressure is in place, which makes the sealing performance stable, safe and reliable.
- An inner bushing is arranged in the valve body, and the inner bushings are connected by a dovetail groove provided on the inner surface of the valve body.
- An outer bushing is arranged outside the valve flap and the valve stem, and the outer bushings are connected by dovetail grooves respectively provided on the outer surfaces of the valve flap and the valve stem.
- a valve cover bush is arranged outside the valve cover facing the valve body, and the valve cover bush is connected by a dovetail groove provided on an inner surface of the valve cover.
- the invention adopts a dovetail groove so that each bush can be well connected to the corresponding metal casting, and it is not easy to fall off during use, effectively forming all the overcurrent parts into a strong corrosion-resistant protective layer to ensure the corrosive medium and the parts matrix Completely separated from corrosion. At the same time, it also guarantees that the sealing surface of the connection between the valve and the pipeline is corrosion-proof, leak-free, safe and reliable.
- a through hole is provided on the valve disc, the axial direction of the through hole is parallel to the axial direction of the valve stem, and the outer bush is connected with the outer bush in the through hole Liner inside the hole.
- the outer bushing surface of the valve flap facing the valve cover is an inner and outer annular bosses arranged concentrically in the axial direction of the valve stem, and the height of the outer annular boss is high The height of the inner annular boss.
- the outer ring boss and the valve cover form a sealing fit.
- the sealing of the valve cover by the two inner and outer annular bosses can reduce the sealing contact area of the valve flap and the valve cover, which is beneficial to reduce the power when closing the valve and reduce the strength of manpower.
- FIG. 1 is a schematic structural diagram of the present invention.
- FIG. 2 is an enlarged view of part A of FIG. 1.
- FIG. 3 is an enlarged view of part B of FIG. 1.
- Fig. 4 is an enlarged view of part C of Fig. 1.
- valve body 1 is provided with an inlet and an outlet
- valve cover 3 is connected to the valve body 1 by bolts
- a valve seat is provided in the valve body 1
- a valve is provided on the valve seat Petal 2.
- An inner bush 11 is arranged in the valve body 1, and the inner bush 11 is connected to each other through a plurality of dovetail grooves 1-1 provided on the inner surface of the valve body 1.
- a valve stem 12 is connected to the upper end of the valve flap 2, the valve stem 12 extends out of the middle hole of the valve cover 3, and a dynamic seal structure is provided between the valve stem 12 and the valve cover 3.
- the dynamic seal structure is composed of a V-shaped packing 4 arranged in the hole of the valve cover 3 and a packing gland 5 connected above the V-shaped packing 4 by bolts.
- a valve cover bush 13 is arranged outside the valve cover 3 facing the valve body 1, and the valve cover bush 13 is connected to each other through a plurality of dovetail grooves provided on the inner surface of the valve cover 3.
- An outer bushing 14 is arranged outside the valve flap 2 and the valve stem 12, and the outer bushing 14 is connected to each other through a plurality of dovetail grooves provided on the outer surfaces of the valve flap 2 and the valve stem 12, respectively.
- Four through holes 2-1 are provided on the valve flap 2, the axial direction of each through hole 2-1 is parallel to the axial direction of the valve stem 12, and the inner liner connected with the outer bush 14 is provided in each through hole .
- the width of the opening of each of the above dovetail grooves is smaller than the width of the bottom of the groove.
- These surfaces and grooves are lined with strong corrosion-resistant fluoroplastics such as perfluoroethylene propylene and polytetrafluoroethylene.
- a transmission nut 8 is fixedly arranged on the valve cover 3 through a connecting seat 15, a transmission screw 7 is cooperatively arranged in the transmission nut 8, and a hand wheel 10 is connected to the upper end of the transmission screw 7.
- a guide block 6 composed of two halves for connecting the transmission screw 7 and the valve stem 12 is provided.
- a first concave neck 7-1 and a first boss 7-2 are sequentially provided along the axial direction of the transmission screw 7 at the end of the transmission screw 7 away from the hand wheel 10, and the valve stem away from the valve flap 2
- the end of 12 is provided with a second concave neck 12-1 and a second boss 12-2 in this order along the axial direction of the valve stem 12.
- the first boss 7-2 and the second boss 12-2 are arranged oppositely, and the guide block 6 composed of two halves is wrapped around the first concave neck 7-1, the first boss 7-2, and the second concave Outside the neck 12-1 and the second boss 12-2, the inner surface of the guide block 6 is provided with the first concave neck 7-1, the first boss 7-2, the second concave neck 12-1 and the second boss 12-2
- the concave and convex curved surface, the two halves are connected by two pairs of bolts and nuts 6-1.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
A strong-corrosion-resistant anti-particle fluoroplastic fully lined stop valve. A valve seat is provided in a valve body (1); a valve flap (2) is matchedly provided on the valve seat; a valve stem (12) is connected on the upper end of the valve flap (2); the valve stem (12) extends out of a valve bonnet (3); a dynamic seal structure is provided between the valve stem (12) and the valve bonnet (3); a driving nut (8) is provided on the valve bonnet (3); a driving screw (7) is matchedly provided in the driving nut (8); one end of the driving screw (7) is connected to a handwheel (10); a guide block (6) used for connecting the driving screw (7) and the valve stem (12) is provided between the other end of the driving screw (7) and the end of the valve stem (12) extending out of the valve bonnet (3).
Description
本发明涉及阀门的设计生产技术领域。The invention relates to the technical field of valve design and production.
目前，用于化工行业中氯气、氯水、氯化氢、精制盐水、高纯盐酸、硫酸、磷酸、氢氟酸、王水、碱液等强腐蚀性、强氧化性介质管路控制介质流动的阀门为一般普通衬里截止阀，由于无论在选材上还是阀门结构上都不具备专用阀的特点，一方面这种阀门的性能不稳定，密封效果不好，密封面易压伤，很容易泄漏；另一方面在腐蚀、有毒有害的工艺条件下，耐腐蚀性能较差，易外漏，衬里层易鼓包、脱落，衬里层损坏后阀体、阀盖基体易腐蚀穿孔，衬里层的损坏从而导致了阀门整体使用寿命短，不能满足长期有效输送介质的特殊要求，而有毒介质一旦泄漏，会对周边环境和人身安全带来很大的危害。At present, it is used in the chemical industry to control the flow of medium, such as chlorine gas, chlorine water, hydrogen chloride, refined brine, high-purity hydrochloric acid, sulfuric acid, phosphoric acid, hydrofluoric acid, aqua regia, lye, etc. It is a general ordinary lined globe valve, because it does not have the characteristics of a special valve in terms of material selection or valve structure. On the one hand, the performance of this valve is unstable, the sealing effect is not good, the sealing surface is easy to be crushed, and it is easy to leak; On the one hand, under corrosion, toxic and harmful process conditions, the corrosion resistance is poor, easy to leak, the lining layer is easy to bulge and fall off, after the lining layer is damaged, the valve body and the bonnet base body are easily corroded and perforated, and the damage of the lining layer leads to The overall service life of the valve is short, which cannot meet the special requirements for long-term effective delivery of the medium. Once the toxic medium leaks, it will bring great harm to the surrounding environment and personal safety.
发明内容Summary of the invention
本发明目的在于提出一种能克服现有技术缺陷的具有耐强腐性能的抗颗粒氟塑料全衬截止阀。The purpose of the present invention is to provide a particle-lined fluoroplastic fully-lined globe valve with strong corrosion resistance that can overcome the defects of the prior art.
本发明包括设有进、出口的阀体、连接在阀体上的阀盖，在阀体内设有阀座，在阀座上配合设置阀瓣，所述阀瓣的上端连体设置阀杆，阀杆伸出阀盖，且阀杆与阀盖之间设置动密封结构，在阀盖上设置传动螺母，在所述传动螺母内配合设置传动丝杆，在传动丝杆的一端连接手轮；在所述传动丝杆的另一端和伸出阀盖的阀杆的端部之间设置用于将传动丝杆和阀杆连接起来的导向块。The invention includes a valve body provided with an inlet and an outlet, a valve cover connected to the valve body, a valve seat is provided in the valve body, a valve flap is provided on the valve seat, and a valve stem is provided on the upper end of the valve flap. The valve stem extends out of the valve cover, and a dynamic sealing structure is provided between the valve stem and the valve cover, a transmission nut is provided on the valve cover, a transmission screw is cooperatively arranged in the transmission nut, and a hand wheel is connected to one end of the transmission screw; A guide block for connecting the drive screw and the valve rod is provided between the other end of the drive screw and the end of the valve rod extending from the valve cover.
本发明将传动丝杆和阀杆分体设置，两者之间通过导向块进行连接，这种连接呈浮动式，阀杆只做升降运动，不做旋转运动，从而使阀瓣密封面与阀体密封面无粘着磨损，密封性能好；同时，阀杆与填料之间也减少磨损，保证了介质不从阀杆处外漏。In the invention, the transmission screw rod and the valve rod are arranged separately, and the two are connected by a guide block. The connection is floating, and the valve rod only performs the lifting movement and does not perform the rotary movement, so that the valve flap sealing surface and the valve The body sealing surface has no adhesion and wear, and the sealing performance is good; at the same time, the wear between the valve stem and the packing is also reduced to ensure that the medium does not leak from the valve stem.
具体的呈浮动式连接结构是：在远离手轮的传动丝杆端部沿着传动丝杆的轴向依次设置第一凹颈和第一凸台，在远离阀瓣的阀杆端部沿着阀杆的轴向依次设置第二凹颈和第二凸台，所述第一凸台和第二凸台相对布置，所述导向块包覆在第一凹颈、第一凸台、第二凹颈和第二凸台外，在所述导向块内表面设置与第一凹颈、第一凸台、第二凹颈和第二凸台外配合的凹凸曲面。两个凸台通过两片导向块夹持住形成一个浮动连接的传动机构，可靠保证阀门启闭轻便，传动丝杆扭矩小，而轴向关闭阀门压力到位，使得密封性能稳定，安全可靠。The specific floating connection structure is: at the end of the transmission screw far away from the hand wheel, a first concave neck and a first boss are sequentially provided along the axial direction of the transmission screw, and at the end of the valve stem away from the valve flap The axial direction of the valve stem is provided with a second concave neck and a second boss in sequence, the first boss and the second boss are arranged oppositely, the guide block is wrapped around the first concave neck, the first boss, the second Outside the concave neck and the second boss, a concave-convex curved surface that cooperates with the first concave neck, the first boss, the second concave neck, and the second boss is provided on the inner surface of the guide block. The two bosses are clamped by two guide blocks to form a floating connection transmission mechanism, which reliably ensures that the valve is easy to open and close, the transmission screw torque is small, and the axial closing valve pressure is in place, which makes the sealing performance stable, safe and reliable.
在所述于阀体内布置内衬套，所述内衬套通过阀体内表面设置的燕尾槽相连接。An inner bushing is arranged in the valve body, and the inner bushings are connected by a dovetail groove provided on the inner surface of the valve body.
在阀瓣和阀杆外布置外衬套，所述外衬套通过阀瓣和阀杆外表面分别设置的燕尾槽相连接。An outer bushing is arranged outside the valve flap and the valve stem, and the outer bushings are connected by dovetail grooves respectively provided on the outer surfaces of the valve flap and the valve stem.
在朝向阀体的阀盖外布置阀盖衬套，所述阀盖衬套通过阀盖内表面设置的燕尾槽相连接。A valve cover bush is arranged outside the valve cover facing the valve body, and the valve cover bush is connected by a dovetail groove provided on an inner surface of the valve cover.
本发明采用燕尾槽使各衬套能够很好地连接在相应的金属铸件上，在使用过程中不容易脱落，有效将所有过流部件形成耐强腐的保护层，确保腐蚀性介质与零件基体完全隔开，不受腐蚀。同时也保证了阀门与管道连接的密封面防腐、无泄漏，安全可靠。The invention adopts a dovetail groove so that each bush can be well connected to the corresponding metal casting, and it is not easy to fall off during use, effectively forming all the overcurrent parts into a strong corrosion-resistant protective layer to ensure the corrosive medium and the parts matrix Completely separated from corrosion. At the same time, it also guarantees that the sealing surface of the connection between the valve and the pipeline is corrosion-proof, leak-free, safe and reliable.
另外，为了加强阀瓣的外衬套与阀瓣的连接牢固性，在阀瓣上设置通孔，通孔的轴向与阀杆的轴向平行，在通孔内设置与外衬套连体的孔内衬套。In addition, in order to strengthen the connection between the outer bush of the valve disc and the valve disc, a through hole is provided on the valve disc, the axial direction of the through hole is parallel to the axial direction of the valve stem, and the outer bush is connected with the outer bush in the through hole Liner inside the hole.
为了提高阀瓣的上表面与阀盖的密封配合，在朝向阀盖的阀瓣的外衬套表面为以阀杆的轴向同心布置的内外两个环形凸台，外环形凸台的高度高于内环形凸台的高度。本设置刚投入使用时，以外环形凸台与阀盖形成密封配合，随着使用的时间的延长，外环形凸台会发生磨损，此后则由内环形凸台与阀盖形成密封配合。另外，采用内外两个环形凸台对阀盖实现的密封可减少阀瓣与阀盖的密封接触面积，利于降低合阀时的功率，减轻人力强度。In order to improve the sealing cooperation between the upper surface of the valve flap and the valve cover, the outer bushing surface of the valve flap facing the valve cover is an inner and outer annular bosses arranged concentrically in the axial direction of the valve stem, and the height of the outer annular boss is high The height of the inner annular boss. When this setting is just put into use, the outer ring boss and the valve cover form a sealing fit. As the use time increases, the outer ring boss will wear out, and then the inner ring boss and the valve cover form a seal fit. In addition, the sealing of the valve cover by the two inner and outer annular bosses can reduce the sealing contact area of the valve flap and the valve cover, which is beneficial to reduce the power when closing the valve and reduce the strength of manpower.
图1为本发明的一种结构示意图。FIG. 1 is a schematic structural diagram of the present invention.
图2为图1的A部放大图。FIG. 2 is an enlarged view of part A of FIG. 1.
图3为图1的B部放大图。FIG. 3 is an enlarged view of part B of FIG. 1.
图4为图1的C部放大图。Fig. 4 is an enlarged view of part C of Fig. 1.
如图1、2、3、4所示，阀体1设置有进口和出口，阀盖3通过螺栓连接在阀体1上，在阀体1内设有阀座，在阀座上配合设置阀瓣2。阀体1内布置内衬套11，内衬套11通过阀体1内表面设置的若干个燕尾槽1-1相互连接。As shown in Figures 1, 2, 3, and 4, the valve body 1 is provided with an inlet and an outlet, the valve cover 3 is connected to the valve body 1 by bolts, a valve seat is provided in the valve body 1, and a valve is provided on the valve seat Petal 2. An inner bush 11 is arranged in the valve body 1, and the inner bush 11 is connected to each other through a plurality of dovetail grooves 1-1 provided on the inner surface of the valve body 1.
阀瓣2的上端连体设置阀杆12，阀杆12伸出阀盖3的中孔，且阀杆12与阀盖3之间设置动密封结构。该动密封结构由布置在阀盖3中孔的V型填料4以及通过螺栓连接在V型填料4上方的填料压盖5组成。A valve stem 12 is connected to the upper end of the valve flap 2, the valve stem 12 extends out of the middle hole of the valve cover 3, and a dynamic seal structure is provided between the valve stem 12 and the valve cover 3. The dynamic seal structure is composed of a V-shaped packing 4 arranged in the hole of the valve cover 3 and a packing gland 5 connected above the V-shaped packing 4 by bolts.
在朝向阀体1的阀盖3外布置阀盖衬套13，阀盖衬套13通过阀盖3内表面设置的若干燕尾槽相互连接。A valve cover bush 13 is arranged outside the valve cover 3 facing the valve body 1, and the valve cover bush 13 is connected to each other through a plurality of dovetail grooves provided on the inner surface of the valve cover 3.
在阀瓣2和阀杆12外布置外衬套14，外衬套14通过阀瓣2和阀杆12外表面分别设 置的若干燕尾槽相互连接。在阀瓣2上四个设置通孔2-1，各通孔2-1的轴向与阀杆12的轴向平行，在各通孔内设置与外衬套14连体的孔内衬套。An outer bushing 14 is arranged outside the valve flap 2 and the valve stem 12, and the outer bushing 14 is connected to each other through a plurality of dovetail grooves provided on the outer surfaces of the valve flap 2 and the valve stem 12, respectively. Four through holes 2-1 are provided on the valve flap 2, the axial direction of each through hole 2-1 is parallel to the axial direction of the valve stem 12, and the inner liner connected with the outer bush 14 is provided in each through hole .
以上各燕尾槽的槽口宽度小于槽底宽度，这些所述表面及槽中均衬里聚全氟乙丙烯、聚四氟乙烯等耐强腐蚀氟塑料。The width of the opening of each of the above dovetail grooves is smaller than the width of the bottom of the groove. These surfaces and grooves are lined with strong corrosion-resistant fluoroplastics such as perfluoroethylene propylene and polytetrafluoroethylene.
在朝向阀盖3的阀瓣2的外衬套14表面为以阀杆12的轴向同心布置的内外两个环形凸台14-1和14-2，外环形凸台14-2的高度高于内环形凸台14-1的高度。On the surface of the outer bushing 14 facing the valve flap 2 of the valve cover 3, there are two inner and outer annular bosses 14-1 and 14-2 arranged concentrically in the axial direction of the valve stem 12, the height of the outer annular boss 14-2 is high The height of the inner annular boss 14-1.
在阀盖3上通过一连接座15固定设置传动螺母8，在传动螺母8内配合设置传动丝杆7，在传动丝杆7的上端连接手轮10。在传动丝杆7下端和伸出阀盖3的阀杆12的上端之间设置用于将传动丝杆7和阀杆12连接起来的由两块哈夫组成的导向块6。A transmission nut 8 is fixedly arranged on the valve cover 3 through a connecting seat 15, a transmission screw 7 is cooperatively arranged in the transmission nut 8, and a hand wheel 10 is connected to the upper end of the transmission screw 7. Between the lower end of the transmission screw 7 and the upper end of the valve stem 12 protruding from the valve cover 3, a guide block 6 composed of two halves for connecting the transmission screw 7 and the valve stem 12 is provided.
具体地：在远离手轮10的传动丝杆7端部沿着传动丝杆7的轴向依次设置第一凹颈7-1和第一凸台7-2，在远离阀瓣2的阀杆12端部沿着阀杆12的轴向依次设置第二凹颈12-1和第二凸台12-2。第一凸台7-2和第二凸台12-2相对布置，由两块哈夫组成的导向块6包覆在第一凹颈7-1、第一凸台7-2、第二凹颈12-1和第二凸台12-2外，在导向块6内表面设置与第一凹颈7-1、第一凸台7-2、第二凹颈12-1和第二凸台12-2配合的凹凸曲面，两块哈夫之间通过两对螺栓螺母6-1相连接。Specifically: a first concave neck 7-1 and a first boss 7-2 are sequentially provided along the axial direction of the transmission screw 7 at the end of the transmission screw 7 away from the hand wheel 10, and the valve stem away from the valve flap 2 The end of 12 is provided with a second concave neck 12-1 and a second boss 12-2 in this order along the axial direction of the valve stem 12. The first boss 7-2 and the second boss 12-2 are arranged oppositely, and the guide block 6 composed of two halves is wrapped around the first concave neck 7-1, the first boss 7-2, and the second concave Outside the neck 12-1 and the second boss 12-2, the inner surface of the guide block 6 is provided with the first concave neck 7-1, the first boss 7-2, the second concave neck 12-1 and the second boss 12-2 The concave and convex curved surface, the two halves are connected by two pairs of bolts and nuts 6-1.
Claims (7)
- 耐强腐抗颗粒氟塑料全衬截止阀，包括设有进、出口的阀体、连接在阀体上的阀盖，在阀体内设有阀座，在阀座上配合设置阀瓣，所述阀瓣的上端连体设置阀杆，阀杆伸出阀盖，且阀杆与阀盖之间设置动密封结构，在阀盖上设置传动螺母，在所述传动螺母内配合设置传动丝杆，在传动丝杆的一端连接手轮；其特征在于在所述传动丝杆的另一端和伸出阀盖的阀杆的端部之间设置用于将传动丝杆和阀杆连接起来的导向块。The strong-corrosion-resistant and particle-resistant fluorine plastic full-lined globe valve includes a valve body provided with an inlet and an outlet, a valve cover connected to the valve body, a valve seat provided in the valve body, and a valve flap cooperatingly arranged on the valve seat. The upper end of the valve flap is connected with a valve stem, the valve stem extends out of the valve cover, and a dynamic sealing structure is provided between the valve stem and the valve cover, a drive nut is provided on the valve cover, and a drive screw is provided in the drive nut. A hand wheel is connected to one end of the transmission screw rod; it is characterized in that a guide block for connecting the transmission screw rod and the valve rod is provided between the other end of the transmission screw rod and the end of the valve rod protruding from the valve cover.
- 根据权利要求1所述耐强腐抗颗粒氟塑料全衬截止阀，其特征在于在远离手轮的传动丝杆端部沿着传动丝杆的轴向依次设置第一凹颈和第一凸台，在远离阀瓣的阀杆端部沿着阀杆的轴向依次设置第二凹颈和第二凸台，所述第一凸台和第二凸台相对布置，所述导向块包覆在第一凹颈、第一凸台、第二凹颈和第二凸台外，在所述导向块内表面设置与第一凹颈、第一凸台、第二凹颈和第二凸台外配合的凹凸曲面。The strong corrosion-resistant and particle-resistant fluorine plastic full-lined globe valve according to claim 1, characterized in that a first concave neck and a first boss are provided in this order along the axis of the drive screw at the end of the drive screw away from the hand wheel , A second concave neck and a second boss are sequentially arranged along the axial direction of the valve stem at the end of the valve stem away from the valve flap, the first boss and the second boss are arranged oppositely, and the guide block is wrapped in Outside the first concave neck, the first convex platform, the second concave neck and the second convex platform, the inner surface of the guide block is provided outside the first concave neck, the first convex platform, the second concave neck and the second convex platform Mating concave and convex surfaces.
- 根据权利要求1或2所述耐强腐抗颗粒氟塑料全衬截止阀，其特征在于在所述于阀体内布置内衬套，所述内衬套通过阀体内表面设置的燕尾槽相连接。The strong-corrosion and particle-resistant fluorine plastic full-line globe valve according to claim 1 or 2, characterized in that an inner liner is arranged in the valve body, and the inner liner is connected by a dovetail groove provided on the inner surface of the valve body.
- 根据权利要求1或2所述耐强腐抗颗粒氟塑料全衬截止阀，其特征在于在阀瓣和阀杆外布置外衬套，所述外衬套通过阀瓣和阀杆外表面分别设置的燕尾槽相连接。The strong-corrosion-resistant and particle-resistant fluorine plastic full-lined globe valve according to claim 1 or 2, characterized in that an outer bushing is arranged outside the valve flap and the valve stem, and the outer bushing is provided through the valve flap and the outer surface of the valve stem respectively Connected by a dovetail slot.
- 根据权利要求4所述耐强腐抗颗粒氟塑料全衬截止阀，其特征在于在阀瓣上设置通孔，通孔的轴向与阀杆的轴向平行，在通孔内设置与外衬套连体的孔内衬套。The strong decay and particle resistant fluoroplastic fully lined globe valve according to claim 4, characterized in that a through hole is provided on the valve flap, the axial direction of the through hole is parallel to the axial direction of the valve stem, and the outer liner is provided in the through hole Sleeve with one-piece inner liner.
- 根据权利要求4所述耐强腐抗颗粒氟塑料全衬截止阀，其特征在于在朝向阀盖的阀瓣的外衬套表面为以阀杆的轴向同心布置的内外两个环形凸台，外环形凸台的高度高于内环形凸台的高度。According to claim 4, the strong corrosion-resistant and particle-resistant fluorine plastic fully lined globe valve is characterized in that the surface of the outer bush of the valve flap facing the valve cover is an inner and outer annular boss arranged concentrically in the axial direction of the valve stem, The height of the outer annular boss is higher than the height of the inner annular boss.
- 根据权利要求1或2所述耐强腐抗颗粒氟塑料全衬截止阀，其特征在于在朝向阀体的阀盖外布置阀盖衬套，所述阀盖衬套通过阀盖内表面设置的燕尾槽相连接。According to claim 1 or 2, the strong corrosion-resistant and particle-resistant fluorine plastic full-lined globe valve is characterized in that a valve cover bush is arranged outside the valve cover facing the valve body, and the valve cover bush is provided through the inner surface of the valve cover The dovetail slots are connected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026610.1A CN109538775A (en) | 2019-01-11 | 2019-01-11 | Resistance to strong rotten particle-resistant fluoroplastic all-liner shut-off valve |
| CN201910026610.1 | 2019-01-11 |
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| Publication Number | Publication Date |
|---|---|
| WO2020143195A1 true WO2020143195A1 (en) | 2020-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2019/094195 WO2020143195A1 (en) | 2019-01-11 | 2019-07-01 | Strong-corrosion-resistant anti-particle fluoroplastic fully lined stop valve |
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| Country | Link |
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| WO (1) | WO2020143195A1 (en) |
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| CN109538775A (en) * | 2019-01-11 | 2019-03-29 | 江苏金晟元特种阀门股份有限公司 | Resistance to strong rotten particle-resistant fluoroplastic all-liner shut-off valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4147824A (en) * | 1976-03-31 | 1979-04-03 | Burkert Gmbh | Multilayer seals and method for their production and joining to seal carriers |
| CN202580042U (en) * | 2012-04-20 | 2012-12-05 | 江苏金晟元特种阀门有限公司 | Anti-strong corrosion maintenance-free fluoroplastic full-lining stop valve |
| CN108775406A (en) * | 2018-08-21 | 2018-11-09 | 江苏金晟元特种阀门股份有限公司 | High-performance nano coating corrugated tube valve special for chlorine |
| CN109538775A (en) * | 2019-01-11 | 2019-03-29 | 江苏金晟元特种阀门股份有限公司 | Resistance to strong rotten particle-resistant fluoroplastic all-liner shut-off valve |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4231549A (en) * | 1978-12-11 | 1980-11-04 | Kerotest Manufacturing Corp. | Valve stem and valve disc connection for a diaphragm valve |
| CN2343423Y (en) * | 1998-04-30 | 1999-10-13 | 南通市苏中化工阀门厂 | Fluoroplastic full-lining stop valve for chlor-alkali |
| JP5681396B2 (en) * | 2010-06-29 | 2015-03-04 | 株式会社不二工機 | Motorized valve |
| CN202659992U (en) * | 2012-07-22 | 2013-01-09 | 江苏金晟元特种阀门有限公司 | Maintenance-free fluoroplastic full-lining vertical check valve |
| CN104776228A (en) * | 2015-04-22 | 2015-07-15 | 南通市天源阀门制造有限公司 | Integrated stop valve |
| CN105065710A (en) * | 2015-08-06 | 2015-11-18 | 云南红渊投资有限公司 | Anti-wear anti-corrosion polyurethane lining through diaphragm valve |
| CN206338461U (en) * | 2016-08-22 | 2017-07-18 | 江苏金晟元特种阀门股份有限公司 | Fluoroplastic all-liner corrugated tube valve special for chlorine |
| CN206889683U (en) * | 2017-05-27 | 2018-01-16 | 扬州市职业大学 | Corrosion-resistant whole lining stop valve |
| CN209325067U (en) * | 2019-01-11 | 2019-08-30 | 江苏金晟元特种阀门股份有限公司 | Resistance to strong rotten particle-resistant fluoroplastic all-liner shut-off valve |
-
2019
- 2019-01-11 CN CN201910026610.1A patent/CN109538775A/en not_active Withdrawn
- 2019-07-01 WO PCT/CN2019/094195 patent/WO2020143195A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4147824A (en) * | 1976-03-31 | 1979-04-03 | Burkert Gmbh | Multilayer seals and method for their production and joining to seal carriers |
| CN202580042U (en) * | 2012-04-20 | 2012-12-05 | 江苏金晟元特种阀门有限公司 | Anti-strong corrosion maintenance-free fluoroplastic full-lining stop valve |
| CN108775406A (en) * | 2018-08-21 | 2018-11-09 | 江苏金晟元特种阀门股份有限公司 | High-performance nano coating corrugated tube valve special for chlorine |
| CN109538775A (en) * | 2019-01-11 | 2019-03-29 | 江苏金晟元特种阀门股份有限公司 | Resistance to strong rotten particle-resistant fluoroplastic all-liner shut-off valve |
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