CN217482012U - Lifting type hard sealing conical plug valve - Google Patents
Lifting type hard sealing conical plug valve Download PDFInfo
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- CN217482012U CN217482012U CN202221713401.8U CN202221713401U CN217482012U CN 217482012 U CN217482012 U CN 217482012U CN 202221713401 U CN202221713401 U CN 202221713401U CN 217482012 U CN217482012 U CN 217482012U
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Abstract
A lifting type hard sealing conical plug valve comprises a valve body (1), a valve cover (2), a valve rod (3), a valve core (4) and a bottom cover (5), wherein a sewage discharge outlet is formed in the bottom of the valve body (1), a valve core sealing cavity is formed in the middle of the valve body (1), the valve core (4) is in an inverted conical shape, the valve core (4) is installed in the valve core sealing cavity, the valve cover (2) is installed at the top of the valve body (1), the valve rod (3) is movably and hermetically installed in the valve cover (2), the bottom end of the valve rod (3) is located in the valve body (1) and is movably connected with the top of the valve core (4), a valve opening handle (6) is arranged in the middle of the valve rod (3), and a hand wheel is arranged at the top of the valve rod (3); the advantages are that: the valve has high opening speed and convenient descaling, and reduces the labor intensity of workers.
Description
Technical Field
The utility model relates to a valve field, concretely relates to promotion formula toper plug valve sealed firmly.
Background
Currently, a plug valve is a rotary valve in a closure member or plunger shape, and the opening or closing of the plug valve is realized by rotating 90 degrees to make a passage port on the plug communicate with or separate from a passage port on a valve body. The plug valve on the existing market has the following defects: first, open and close the operation and take a lot of efforts, in order to guarantee sealedly, combine closely between valve plug and the valve body, at the in-process of pulling the handle and opening the valve, the valve plug hugs closely the valve body and slides, and great frictional resistance is applyed to the valve body to the valve plug, leads to the valve to open and close and needs operating personnel to have superstrong arm power to the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned not enough, and provide a promotion formula toper plug valve that seals firmly.
The utility model comprises a valve body, a valve cover, a valve rod, a valve core and a bottom cover,
the bottom of the valve body is provided with a sewage outlet, the middle of the valve body is provided with a valve core sealing cavity, a valve core is in an inverted conical shape, the valve core is arranged in the valve core sealing cavity, the valve cover is arranged at the top of the valve body, a valve rod is movably and hermetically arranged in the valve cover, the bottom end of the valve rod is positioned in the valve body and movably connected with the top of the valve core, the middle of the valve rod is provided with a valve opening handle, the top of the valve rod is provided with a hand wheel, the bottom cover is arranged on the sewage outlet of the valve body, the center of the bottom cover is provided with a first flushing pipeline, the first flushing pipeline is provided with a valve, the valve cover is provided with a second flushing pipeline, and the second flushing pipeline is provided with a valve.
The valve opening handle is replaced by a worm gear mechanism, a shell of the worm gear mechanism is installed on the valve cover, a worm wheel of the worm gear mechanism is installed on the valve rod, a rotating handle is arranged at the end part of a worm of the worm gear mechanism, the worm wheel is driven by the worm, and the worm wheel drives the valve rod to rotate.
The outer wall of the sewage draining port of the valve body is provided with a flange plate, and the bottom cover is connected with the sewage draining port flange of the valve body in a sealing way.
The handle of the valve opening handle is provided with anti-skid grains.
The outlet end of the first flushing pipeline faces the bottom of the valve core, and the outlet end of the second flushing pipeline faces the top of the valve core.
The valve cover is connected with the flange at the top of the valve body in a sealing way.
The utility model has the advantages that: the valve has high opening speed and convenient descaling, and reduces the labor intensity of workers.
Description of the figures
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention usually place when using, the present invention is only used for convenience of description and simplification of the description, but does not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and thus, the present invention should not be construed as being limited. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are not intended to be limiting but rather are to be construed as indicating or implying relative importance. In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
As shown in the attached drawing, the utility model comprises a valve body 1, a valve cover 2, a valve rod 3, a valve core 4 and a bottom cover 5,
the drain has been opened to 1 bottom of valve body, 1 middle part of valve body is provided with case seal cavity, case 4 is the inverted cone shape, case 4 is installed in case canned type intracavity, valve gap 2 is installed at 1 top of valve body, 3 movable seal of valve rod installs in valve gap 2, the bottom of valve rod 3 is located valve body 1, and with 4 top swing joint of case, 3 middle parts of valve rod are provided with open valve handle 6, 3 tops of valve rod are provided with the hand wheel, bottom 5 is installed on the drain of valve body 1, bottom 5 center department is provided with first flushing line 7, be provided with the valve on the first flushing line 7, be provided with the second flushing line 8 on the valve gap 2, be provided with the valve on the second flushing line 8.
The valve opening handle 6 is replaced by a worm gear mechanism, a shell of the worm gear mechanism is installed on the valve cover 2, a worm wheel of the worm gear mechanism is installed on the valve rod 3, a rotating handle is arranged at the end part of a worm of the worm gear mechanism, the worm wheel is driven by the worm, and the worm wheel drives the valve rod 3 to rotate.
The outer wall of the sewage draining outlet of the valve body 1 is provided with a flange plate, and the bottom cover 5 is connected with the sewage draining outlet flange of the valve body 1 in a sealing way.
The handle of the valve opening handle 6 is provided with anti-skid grains.
The outlet end of the first flushing duct 7 is directed towards the bottom of the cartridge 4 and the outlet end of the second flushing duct 8 is directed towards the top of the cartridge 4.
The valve cover 2 is connected with the flange on the top of the valve body 1 in a sealing way.
The working mode and principle are as follows: when the plug valve is opened, the hand wheel is rotated by a certain angle, the valve rod 3 moves upwards under the action of the threads on the valve rod 3, the valve core 4 is separated from the sealing surface in close contact with the valve body 1, the valve opening handle 6 is pulled, and the valve is rotated by 90 degrees to easily open the valve. When the plug valve is closed, the valve opening handle 6 is reversely pulled on the basis, the plug valve rotates by 90 degrees, and the hand wheel is reversely rotated to realize the tight combination of the valve core 4 and the inner wall of the valve body 1 so as to achieve the sealing effect. When the scale on the valve body 1 and the valve core 4 needs to be cleaned, high-pressure media which are the same as the conveying media of the plug valve are communicated on the first flushing pipeline 7 and the second flushing pipeline 8 so as to flush the scale. After the flushing is finished, the valves on the first flushing pipe 7 and the second flushing pipe 8 are closed. When the valve opening handle 6 is replaced by the worm gear mechanism and the plug valve is opened, the rotating handle on the worm is rotated, the worm drives the worm gear to rotate, the worm gear drives the valve rod 3 to rotate for 90 degrees, the valve is opened, and the worm is rotated reversely to be closed when the valve is closed.
Claims (6)
1. A lifting type hard sealing conical plug valve is characterized by comprising a valve body (1), a valve cover (2), a valve rod (3), a valve core (4) and a bottom cover (5),
the bottom of the valve body (1) is provided with a sewage draining outlet, the middle of the valve body (1) is provided with a valve core sealing cavity, the valve core (4) is in an inverted conical shape, the valve core (4) is arranged in the valve core sealing cavity, the valve cover (2) is arranged at the top of the valve body (1), the valve rod (3) is movably and hermetically arranged in the valve cover (2), the bottom end of the valve rod (3) is positioned in the valve body (1) and movably connected with the top of the valve core (4), the middle of the valve rod (3) is provided with an opening valve handle (6), the top of the valve rod (3) is provided with a hand wheel, the bottom cover (5) is arranged on the sewage draining outlet of the valve body (1), the center of the bottom cover (5) is provided with a first flushing pipeline (7), the first flushing pipeline (7) is provided with a valve, the valve cover (2) is provided with a second flushing pipeline (8), and the second flushing pipeline (8) is provided with a valve.
2. A lifting type hard sealing conical plug valve according to claim 1, characterized in that the valve opening handle (6) is replaced by a worm gear mechanism, the housing of the worm gear mechanism is mounted on the valve cover (2), the worm gear of the worm gear mechanism is mounted on the valve rod (3), the worm end of the worm gear mechanism is provided with a rotating handle, and the worm gear drives the worm gear to rotate the valve rod (3).
3. A lifting type hard sealing conical plug valve according to claim 1, characterized in that a flange is arranged on the outer wall of the sewage draining outlet of the valve body (1), and the bottom cover (5) is connected with the flange of the sewage draining outlet of the valve body (1) in a sealing way.
4. A lifting hard sealing conical plug valve according to claim 1, characterized in that the handle of the valve opening handle (6) is provided with anti-slip threads.
5. A poppet-type hard-sealing conical plug valve according to claim 1, characterized in that the outlet end of the first flushing conduit (7) is directed towards the bottom of the valve core (4) and the outlet end of the second flushing conduit (8) is directed towards the top of the valve core (4).
6. A lifting hard sealing conical plug valve according to claim 1, characterized in that the valve cover (2) is flange-tightly connected to the top of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221713401.8U CN217482012U (en) | 2022-07-05 | 2022-07-05 | Lifting type hard sealing conical plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221713401.8U CN217482012U (en) | 2022-07-05 | 2022-07-05 | Lifting type hard sealing conical plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217482012U true CN217482012U (en) | 2022-09-23 |
Family
ID=83316248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221713401.8U Active CN217482012U (en) | 2022-07-05 | 2022-07-05 | Lifting type hard sealing conical plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217482012U (en) |
-
2022
- 2022-07-05 CN CN202221713401.8U patent/CN217482012U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A lifting type hard sealed conical plug valve Effective date of registration: 20230427 Granted publication date: 20220923 Pledgee: Jingmen Branch of China Postal Savings Bank Co.,Ltd. Pledgor: JINGMEN MEIZHONGMEI VALVE CO.,LTD. Registration number: Y2023980039436 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |