CN212718352U - Twice-sealed valve device - Google Patents
Twice-sealed valve device Download PDFInfo
- Publication number
- CN212718352U CN212718352U CN202021457013.9U CN202021457013U CN212718352U CN 212718352 U CN212718352 U CN 212718352U CN 202021457013 U CN202021457013 U CN 202021457013U CN 212718352 U CN212718352 U CN 212718352U
- Authority
- CN
- China
- Prior art keywords
- packing
- nut
- stud
- sealing cylinder
- sides
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model provides a valve device with twice sealing, which relates to the technical field of valves and comprises a first nut, wherein the inner side of the first nut is spirally connected with a first stud, the outer side of the first stud is provided with a bracket, the inner side of the bracket is penetrated with a valve rod, two sides of the valve rod are sleeved with a first gland cover, two sides of the upper end of the valve rod are sleeved with a second gland cover, the lower end of the second gland cover is provided with a second packing and a sealing cylinder, the second gasket and the second packing are placed in the sealing cylinder, the packing gland is connected to the sealing cylinder by the first nut and the first stud, and the bracket is connected to the sealing cylinder by a first nut and a first stud, under the condition that the medium in the valve body cavity leaks along the valve rod, the slightly leaked medium can be sealed in the sealing cylinder, so that the situation that leakage is not allowed at toxic places and valve rod packing positions is met.
Description
Technical Field
The utility model relates to the technical field of valves, more specifically relates to a twice sealed valve device.
Background
The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, and can be divided into a shut-off valve, a check valve, an adjusting valve and the like according to the functions of the valve;
in some toxic occasions and occasions where leakage is not allowed, the conventional primary packing is used for sealing, the small leakage exists at the packing when the packing is used for a long time, and the packing needs to be tightened again, which is not allowed in the toxic occasions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of easy seepage of the valve device in the background, thereby providing a twice sealed valve device.
In order to achieve the above object, the utility model provides a following technical scheme: a twice-sealed valve device comprises a first nut, wherein the inner side of the first nut is spirally connected with a first stud, a support is arranged on the outer side of the first stud, a valve rod penetrates through the inner side of the support, a first packing gland is sleeved on two sides of the valve rod, the two sides of the upper end of the valve rod are sleeved with second packing glands, the lower ends of the second packing glands are provided with second packing, the lower end of the second packing is provided with a second gasket, the outer side of the first packing gland is provided with a sealing cylinder, a gasket is arranged on the inner side of the sealing cylinder, second studs are spirally connected to two sides of the first packing gland, the upper end of the second stud is provided with a second nut, the lower end of the first packing gland is provided with a first packing, the lower end of the first packing is provided with a shaft sleeve, the outer side of the shaft sleeve is provided with a first gasket, and the outer side of the lower part of the valve rod is provided with a valve body.
Preferably, the gasket is arranged on two sides of the inside of the sealing cylinder, the side surface of the first packing gland is arranged in a T shape, and the first packing gland is arranged in the inside of the sealing cylinder through a second stud.
Preferably, the sealing cylinder is arranged at the lower end of the second packing gland, the sealing cylinder is arranged around the outer side of the valve rod, and a first nut and a first stud are arranged on two sides of the sealing cylinder.
Preferably, the first gasket is arranged below the first packing gland, and a first nut and a first stud are installed on two sides of the interior of the second packing gland.
Preferably, the first packing gland, the first packing and the shaft sleeve are vertically arranged, and the first packing gland, the first packing and the shaft sleeve are all arranged on the outer side of the valve rod in a surrounding mode.
Preferably, the second nut and the second stud are arranged in a matched manner, and the second nut and the second stud are arranged on two sides of the first packing gland.
Preferably, the first nut is connected with the support through a first stud, the first nut and the first stud are arranged in a matched mode, and the first stud penetrates through two sides of the support.
The utility model has the advantages that: this kind of twice sealed valve gear is provided with a sealing barrel, through putting into a sealing barrel with second liner and second filler, connects gland with first nut and first double-screw bolt on a sealing barrel to with first nut and first double-screw bolt with leg joint on a sealing barrel, with the medium of valve body intracavity along the condition of valve rod seepage, can be with the medium of microleakage sealed in a sealing barrel, thereby satisfied in poisonous occasion and valve rod filler department not allow the occasion of outer hourglass.
Drawings
Fig. 1 is a schematic view of the overall plane structure of the present invention.
Fig. 2 is a schematic view of the local structure of the valve rod of the present invention.
Fig. 3 is a schematic view of the overall side sectional structure of the present invention.
In FIGS. 1-3: 1-first nut, 2-first stud, 5-bracket, 7-second nut, 8-first packing gland, 9-second stud, 10-first packing, 11-first gasket, 12-valve body, 13-second packing gland, 14-second packing, 15-second gasket, 16-valve rod, 18-sealing cylinder, 19-gasket and 22-shaft sleeve.
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.
Referring to fig. 1 to 3, in an embodiment of the present invention, a twice-sealed valve device includes a first nut 1, a first stud 2 is screwed into an inner side of the first nut 1, a bracket 5 is installed on an outer side of the first stud 2, a valve rod 16 penetrates through an inner side of the bracket 5, first packing glands 8 are sleeved on two sides of the valve rod 16, second packing glands 13 are sleeved on two sides of an upper end of the valve rod 16, second packings 14 are installed on a lower end of the second packing glands 13, second gaskets 15 are installed on a lower end of the second packing 14, a sealing cylinder 18 is installed on an outer side of the first packing gland 8, gaskets 19 are installed on an inner side of the sealing cylinder 18, second studs 9 are screwed into two sides of the first packing gland 8, a second nut 7 is installed on an upper end of the second studs 9, first packing 10 is installed on a lower end of the first packing 8, a shaft sleeve 22 is installed on a lower end of the first, the first packing 11 is mounted on the outside of the boss 22, and the valve body 12 is mounted on the outside below the valve stem 16.
In this embodiment: the gaskets 19 are arranged on two sides of the inside of the sealing cylinder 18, the side surface of the first packing gland 8 is arranged in a T shape, the first packing gland 8 is arranged inside the sealing cylinder 18 through the second stud 9, and the gasket 19 is arranged, so that the sealing effect of the inside of the sealing cylinder 18 can be increased through the gasket 19.
In this embodiment: the sealing cylinder 18 is arranged at the lower end of the second packing gland 13, the sealing cylinder 18 is arranged on the outer side of the valve rod 16 in a surrounding mode, a first nut 1 and a first stud 2 are arranged on two sides of the sealing cylinder 18, the sealing cylinder 18 is arranged, the second packing gland 13 is connected to the sealing cylinder 18 through the first nut 1 and the first stud 2 by putting the second gasket 15 and the second packing 14 into the sealing cylinder 18, the support 5 is connected to the sealing cylinder 18 through the first nut 1 and the first stud 2, and when a medium in the cavity of the valve body 12 leaks along the valve rod 16, the medium which leaks slightly can be sealed in the sealing cylinder 18, so that the situation that the leakage is not allowed in a toxic situation and the situation that the packing position of the valve rod 16 does not leak is met.
In this embodiment: the first gasket 11 is disposed below the first packing gland 8, and the first nut 1 and the first stud 2 are mounted on two sides of the inside of the second packing gland 13, so that the sealing performance between the valve body 12 and the valve rod 16 can be increased by the first gasket 11.
In this embodiment: first gland 8, first filler 10 and axle sleeve 22 are the setting of arranging perpendicularly, and first gland 8, first filler 10 and axle sleeve 22 all encircle and set up in the outside of valve rod 16, and the supporting setting of second nut 7 and second double-screw bolt 9, and second nut 7 and second double-screw bolt 9 set up in the both sides of first gland 8, through being provided with first gland 8 for the first gland 8 of accessible conveniently fixes spacingly to first filler 10.
In this embodiment: first nut 1 is connected with support 5 through first double-screw bolt 2, and first nut 1 sets up with first double-screw bolt 2 is supporting, and first double-screw bolt 2 runs through to set up in the both sides of support 5, through being provided with first nut 1 and second double-screw bolt 2 for accessible first nut 1 is convenient further fixed to second double-screw bolt 2 spiral.
When using the utility model relates to a twice sealed valve device, at first run through into valve rod 16 on valve body 12, manually put into first liner 11 and first packing 10, and connect first gland 8 on valve body 12 with second nut 7 and second double-screw bolt 9 and link tightly, put gasket 19, on second nut 7 and second double-screw bolt 9 connect 18 a sealing cylinder on valve body 12 afterwards, with second liner 15, second packing 14 is put into a sealing cylinder 18, connect second gland 13 on a sealing cylinder 18 with first nut 1 and first double-screw bolt 2, and connect support 5 on a sealing cylinder 18 with first nut 1 and first double-screw bolt 2, under the condition of the medium along valve rod 16 seepage in the valve body 12 intracavity, can be sealed the medium of microleakage in a sealing cylinder 18, thereby satisfied in poisonous occasion and the occasion that valve rod 16 packing department does not allow the occasion that has the exorbitant.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (7)
1. A twice-sealed valve device comprising a first nut (1), characterized in that: the inner side of the first nut (1) is spirally connected with a first stud (2), a support (5) is installed on the outer side of the first stud (2), a valve rod (16) penetrates through the inner side of the support (5), first packing glands (8) are sleeved on two sides of the valve rod (16), second packing glands (13) are sleeved on two sides of the upper end of the valve rod (16), second packing (14) is installed at the lower end of the second packing (13), a second gasket (15) is installed at the lower end of the second packing (14), a sealing cylinder (18) is installed on the outer side of the first packing gland (8), and a gasket (19) is installed on the inner side of the sealing cylinder (18);
the two sides of the first packing gland (8) are spirally connected with second studs (9), second nuts (7) are installed at the upper ends of the second studs (9), first packing (10) are installed at the lower end of the first packing gland (8), shaft sleeves (22) are installed at the lower ends of the first packing (10), first gaskets (11) are installed on the outer sides of the shaft sleeves (22), and valve bodies (12) are installed on the outer sides of the lower portions of the valve rods (16).
2. The double-seal valve device of claim 1, wherein: the gasket (19) is arranged on two sides in the sealing cylinder (18), the side surface of the first packing gland (8) is arranged in a T shape, and the first packing gland (8) is arranged in the sealing cylinder (18) through the second stud (9).
3. The double-seal valve device of claim 1, wherein: the sealing cylinder (18) is arranged at the lower end of the second packing gland (13), the sealing cylinder (18) is arranged on the outer side of the valve rod (16) in a surrounding mode, and a first nut (1) and a first stud (2) are arranged on two sides of the sealing cylinder (18).
4. The double-seal valve device of claim 1, wherein: the first gasket (11) is arranged below the first packing gland (8), and a first nut (1) and a first stud (2) are installed on two sides of the interior of the second packing gland (13).
5. The double-seal valve device of claim 1, wherein: the first packing gland (8), the first packing (10) and the shaft sleeve (22) are vertically arranged, and the first packing gland (8), the first packing (10) and the shaft sleeve (22) are all arranged on the outer side of the valve rod (16) in a surrounding mode.
6. The double-seal valve device of claim 1, wherein: the second nut (7) and the second stud (9) are arranged in a matched mode, and the second nut (7) and the second stud (9) are arranged on two sides of the first packing gland (8).
7. The double-seal valve device of claim 1, wherein: the first nut (1) is connected with the support (5) through the first stud (2), the first nut (1) and the first stud (2) are arranged in a matched mode, and the first stud (2) penetrates through two sides of the support (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021457013.9U CN212718352U (en) | 2020-07-22 | 2020-07-22 | Twice-sealed valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021457013.9U CN212718352U (en) | 2020-07-22 | 2020-07-22 | Twice-sealed valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212718352U true CN212718352U (en) | 2021-03-16 |
Family
ID=74909480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021457013.9U Active CN212718352U (en) | 2020-07-22 | 2020-07-22 | Twice-sealed valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212718352U (en) |
-
2020
- 2020-07-22 CN CN202021457013.9U patent/CN212718352U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206369047U (en) | A kind of material filling type Pipe leakage stopper | |
| CA2746299C (en) | Threaded joint and method of sealing a threaded joint | |
| CN105673992B (en) | A kind of Pipe leakage stopper for including axial packing seal | |
| CN206369048U (en) | A kind of hydraulic pressure top-closed structure pipeline sealing device | |
| CN212718352U (en) | Twice-sealed valve device | |
| CN209959960U (en) | Liquefied gas safety valve convenient to dismantle | |
| KR20090038160A (en) | Pipe connection part cover assembly | |
| CN206299943U (en) | A kind of spheroidal graphite pipe fitting repairing pipeline leakage plugging device | |
| JP6426892B2 (en) | Valve body removing device and valve body removing method | |
| US3192613A (en) | Valve and method of installing same | |
| CN210153265U (en) | Pneumatic two-piece type high-platform ball valve | |
| KR102392969B1 (en) | Safety apparatus for valve maintenance of gas storage tank | |
| CN2821323Y (en) | Spacer type single flow valve | |
| CN203442256U (en) | Connection structure of pressure reducing valve part and valve body | |
| CN210566823U (en) | Winding pipe joint with adjustable vacuum degree | |
| CN204962151U (en) | Pipeline leaks protector | |
| CN221003234U (en) | Sealing device for coking gas blower | |
| CN205841956U (en) | A kind of Quick connected ball valve | |
| CN217502630U (en) | Internal lock sealing assembly for leakage of valve packing | |
| CN219453160U (en) | Pipeline connection self-sealing structure for offshore wind power test platform | |
| CN213018051U (en) | Bottom mechanism for high-pressure valve | |
| CN209856569U (en) | Novel oil field valve is connected device | |
| CN218761425U (en) | Seamless connection bidirectional stop valve | |
| CN210859823U (en) | Oxygen stop valve | |
| CN201129596Y (en) | Fast blocking steam leakage water conduit cutting ferrule |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |