CN207093915U - Flat gate valve - Google Patents
Flat gate valve Download PDFInfo
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- CN207093915U CN207093915U CN201721024790.2U CN201721024790U CN207093915U CN 207093915 U CN207093915 U CN 207093915U CN 201721024790 U CN201721024790 U CN 201721024790U CN 207093915 U CN207093915 U CN 207093915U
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Abstract
本实用新型公开了一种平板闸阀，包括阀盖和阀杆，阀盖上设有安装通孔，阀杆穿过安装通孔，安装通孔的孔壁设有环形的安装槽，安装槽内填有环形的密封填料，密封填料用于阀杆和阀盖之间的密封，安装槽内还设有环形的压套，压套用于挤压密封填料，安装槽内还设有环形的碟簧，碟簧用于提供压套挤压密封填料的动力源。本实用新型的有益效果为：其阀杆与阀盖之间的密封填料受到磨损后可对密封填料进行挤压补偿，进而提高密封可靠性。
The utility model discloses a flat gate valve, which comprises a valve cover and a valve stem. The valve cover is provided with an installation through hole, the valve stem passes through the installation through hole, and the hole wall of the installation through hole is provided with an annular installation groove. Filled with ring-shaped sealing packing, the sealing packing is used for sealing between the valve stem and the valve cover, and there is also an annular pressure sleeve in the installation groove, which is used to squeeze the sealing packing, and there is also an annular disc spring in the installation groove , the disc spring is used to provide the power source for the pressure sleeve to squeeze the sealing packing. The beneficial effect of the utility model is that: after the sealing packing between the valve stem and the valve cover is worn, the sealing packing can be extruded and compensated, thereby improving the sealing reliability.
Description
技术领域technical field
本实用新型涉及一种平板闸阀。The utility model relates to a flat gate valve.
背景技术Background technique
平板闸阀一般由阀体、阀盖、阀座、闸板、阀杆组成，阀座安装与阀体进出口通道口，与闸板两侧平面相互配合密封，闸板由阀杆带动脱离阀座密封面或与阀座配合密封，实现闸板的开启或关闭操作。其缺点之一是：阀杆与阀盖之间采用密封填料密封，阀杆的升降对密封填料产生磨损，密封可靠性差。Slab gate valve is generally composed of valve body, bonnet, valve seat, gate, and valve stem. The valve seat is installed with the inlet and outlet passages of the valve body, and cooperates with the planes on both sides of the gate to seal. The gate is driven by the valve stem to leave the valve seat. The sealing surface or cooperates with the valve seat to seal to realize the opening or closing operation of the gate. One of its disadvantages is that the sealing packing is used for sealing between the valve stem and the valve cover, and the lifting of the valve stem wears the sealing packing, and the sealing reliability is poor.
实用新型内容Utility model content
本实用新型的目的在于提供一种平板闸阀，其阀杆与阀盖之间的密封填料受到磨损后可对密封填料进行挤压补偿，进而提高密封可靠性。The purpose of the utility model is to provide a flat gate valve, after the sealing packing between the valve stem and the valve cover is worn, the sealing packing can be squeezed and compensated, thereby improving the sealing reliability.
为实现上述目的，本实用新型提供如下技术方案：In order to achieve the above object, the utility model provides the following technical solutions:
一种平板闸阀，包括阀盖和阀杆，阀盖上设有安装通孔，阀杆穿过安装通孔，安装通孔的孔壁设有环形的安装槽，安装槽内填有环形的密封填料，密封填料用于阀杆和阀盖之间的密封，安装槽内还设有环形的压套，压套用于挤压密封填料，安装槽内还设有环形的碟簧，碟簧用于提供压套挤压密封填料的动力源。A flat gate valve, including a valve cover and a valve stem, the valve cover is provided with a mounting through hole, the valve stem passes through the mounting through hole, the hole wall of the mounting through hole is provided with a ring-shaped mounting groove, and the mounting groove is filled with a ring-shaped seal Packing, sealing packing is used for the sealing between the valve stem and the valve cover. There is also a ring-shaped pressure sleeve in the installation groove. The pressure sleeve is used to squeeze the sealing packing. There is also a ring-shaped disc spring in the installation groove. The disc spring is used for Provide the power source for the compression sleeve to squeeze the sealing packing.
优选地，压套包括与阀杆对应的内侧面和与安装槽对应的外侧面，压套的内侧面设有环形的第一密封槽，第一密封槽内设有第一密封圈，压套的外侧面设有环形的第二密封槽，第二密封槽内设有第二密封圈。Preferably, the pressure sleeve includes an inner surface corresponding to the valve stem and an outer surface corresponding to the installation groove, the inner surface of the pressure sleeve is provided with an annular first sealing groove, and a first sealing ring is arranged in the first sealing groove, and the pressure sleeve An annular second sealing groove is arranged on the outer surface of the outer surface, and a second sealing ring is arranged in the second sealing groove.
优选地，阀盖的上方通过螺栓固定连接有支架。Preferably, a bracket is fixedly connected to the top of the valve cover through bolts.
本实用新型的工作原理为：碟簧在安装槽内具有一定的预紧力，密封填料在阀杆摩擦作用下产生磨损，压缩量减小，此时通过碟簧的预紧作用减缓填料所受预紧力的减小，使阀杆处密封更加可靠，同时增加了密封填料的使用寿命，减少了更换密封填料的次数。The working principle of the utility model is: the disc spring has a certain pre-tightening force in the installation groove, and the sealing packing is worn under the friction of the valve stem, and the compression amount is reduced. The reduction of the pre-tightening force makes the seal at the valve stem more reliable, and at the same time increases the service life of the sealing packing and reduces the times of replacing the sealing packing.
本实用新型的有益效果为：其阀杆与阀盖之间的密封填料受到磨损后可对密封填料进行挤压补偿，进而提高密封可靠性。The beneficial effect of the utility model is that: after the sealing packing between the valve stem and the valve cover is worn, the sealing packing can be extruded and compensated, thereby improving the sealing reliability.
附图说明Description of drawings
图1是本实用新型的示意图。Fig. 1 is the schematic diagram of the utility model.
具体实施方式Detailed ways
下面结合附图和实施例，对本实用新型的具体实施方式作进一步描述。以下实施例仅用于更加清楚地说明本实用新型的技术方案，而不能以此来限制本实用新型的保护范围。Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is further described. The following examples are only used to illustrate the technical solution of the utility model more clearly, but not to limit the protection scope of the utility model.
本实用新型具体实施的技术方案是：The technical scheme of the concrete implementation of the utility model is:
如图1所示，As shown in Figure 1,
一种平板闸阀，包括阀盖3和阀杆6，阀盖3上设有安装通孔，阀杆6穿过安装通孔，安装通孔的孔壁设有环形的安装槽，安装槽内填有环形的密封填料9，密封填料9用于阀杆6和阀盖3之间的密封，安装槽内还设有环形的压套5，压套5用于挤压密封填料9，安装槽内还设有环形的碟簧4，碟簧4用于提供压套5挤压密封填料9的动力源。A flat gate valve, comprising a valve cover 3 and a valve stem 6, the valve cover 3 is provided with an installation through hole, the valve stem 6 passes through the installation through hole, the hole wall of the installation through hole is provided with an annular installation groove, and the installation groove is filled with There is an annular sealing packing 9, which is used for sealing between the valve stem 6 and the valve cover 3, and an annular pressure sleeve 5 is also arranged in the installation groove, and the pressure sleeve 5 is used to squeeze the sealing packing 9, and the installation groove An annular disc spring 4 is also provided, and the disc spring 4 is used to provide a power source for the pressing sleeve 5 to press the sealing packing 9 .
压套5包括与阀杆6对应的内侧面和与安装槽对应的外侧面，压套5的内侧面设有环形的第一密封槽，第一密封槽内设有第一密封圈7，压套5的外侧面设有环形的第二密封槽，第二密封槽内设有第二密封圈8。The pressure sleeve 5 includes an inner surface corresponding to the valve stem 6 and an outer surface corresponding to the installation groove. The inner surface of the pressure sleeve 5 is provided with an annular first sealing groove, and a first sealing ring 7 is arranged in the first sealing groove. The outer surface of the sleeve 5 is provided with an annular second sealing groove, and a second sealing ring 8 is arranged in the second sealing groove.
阀盖3的上方通过螺栓2固定连接有支架1。The top of the valve cover 3 is fixedly connected with a bracket 1 through bolts 2 .
本实用新型的工作原理为：碟簧4在安装槽内具有一定的预紧力，密封填料9在阀杆6摩擦作用下产生磨损，压缩量减小，此时通过碟簧4的预紧作用减缓填料所受预紧力的减小，使阀杆6处密封更加可靠，同时增加了密封填料9的使用寿命，减少了更换密封填料9的次数。The working principle of the utility model is: the disc spring 4 has a certain pre-tightening force in the installation groove, and the sealing packing 9 is worn under the friction of the valve stem 6, and the compression amount is reduced. At this time, the pre-tightening effect of the disc spring 4 Slowing down the reduction of the pre-tightening force on the packing makes the sealing of the valve stem 6 more reliable, increases the service life of the sealing packing 9, and reduces the times of replacing the sealing packing 9.
本实用新型的有益效果为：其阀杆6与阀盖3之间的密封填料9受到磨损后可对密封填料9进行挤压补偿，进而提高密封可靠性。The beneficial effect of the utility model is: the sealing packing 9 between the valve rod 6 and the valve cover 3 can be squeezed and compensated after being worn, thereby improving the sealing reliability.
以上所述仅是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型技术原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本实用新型的保护范围。The above is only the preferred embodiment of the utility model, and it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. And retouching should also be regarded as the protection scope of the present utility model.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721024790.2U CN207093915U (en) | 2017-08-16 | 2017-08-16 | Flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721024790.2U CN207093915U (en) | 2017-08-16 | 2017-08-16 | Flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207093915U true CN207093915U (en) | 2018-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721024790.2U Expired - Fee Related CN207093915U (en) | 2017-08-16 | 2017-08-16 | Flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207093915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289178A (en) * | 2017-08-16 | 2017-10-24 | 西诺威阀门控制（苏州）有限公司 | The pneumatic actuator of flat gate valve |
-
2017
- 2017-08-16 CN CN201721024790.2U patent/CN207093915U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289178A (en) * | 2017-08-16 | 2017-10-24 | 西诺威阀门控制（苏州）有限公司 | The pneumatic actuator of flat gate valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 |