CN215635332U - Valve packing gland and valve mechanism - Google Patents
Valve packing gland and valve mechanism Download PDFInfo
- Publication number
- CN215635332U CN215635332U CN202122365390.0U CN202122365390U CN215635332U CN 215635332 U CN215635332 U CN 215635332U CN 202122365390 U CN202122365390 U CN 202122365390U CN 215635332 U CN215635332 U CN 215635332U
- Authority
- CN
- China
- Prior art keywords
- gland
- packing
- valve
- gasket
- groove
- 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 relates to a valve packing gland and a valve mechanism, wherein the packing gland comprises a packing gland body, a gasket and a gasket gland; the packing gland body is provided with a first through hole; the packing gland body comprises a first end and a second end; the first end is provided with a groove, the groove is communicated with the first through hole, and the diameter of the groove is smaller than that of the first end; the gasket is arranged in the groove, and the gasket gland is pressed on the gasket. When using, when packing ring gland compresses tightly the packing ring, form interference fit between packing ring gland and recess and the valve rod, the effect that packing gland can effectively the leaking stoppage wins the time for maintenance and change valve, this packing gland simple structure, convenient operation reforms transform with low costsly, the extensive popularization of being convenient for. Adopt the valve mechanism of novel packing gland, reform transform simply, do not reform transform the valve body, interim leaking stoppage is effectual, convenient operation, but wide popularization and application.
Description
Technical Field
The utility model relates to the technical field of packing glands, in particular to a valve packing gland and a valve mechanism.
Background
In various technological processes, the valve is a control component in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium and controlling the flowing of the conveyed medium, and has the functions of diversion, cut-off, throttling, non-return, diversion, overflow pressure relief and the like. The common manual valve mainly comprises a valve body, a valve cover, a packing gland, a flashboard, a valve rod, a sealing packing, a bearing, a hand wheel and the like, and the hand wheel or an actuating mechanism is rotated by hands to drive the flashboard to reciprocate up and down so as to open and close the valve.
As shown in fig. 1, a schematic structural diagram of a conventional valve packing gland is provided, in fig. 1, a label 1 is a packing gland body, 4 is a packing group, 5 is a valve rod, 6 is a valve cover, 111 is a third through hole, and 61 is a second through hole. The valve during operation under the area pressure state, because the operation needs, the valve often can change the on-off state, 5 times at the inside reciprocating motion of packing group 4, when appearing not hard up gap between second through-hole 61 and packing group 4, the liquid medium of 6 lower parts of valve gap is followed not hard up gap by last down and is overflowed under the pressure effect, and after having fastened packing gland body 1, also can't solve the medium problem of leaking outward, carry out new packing gland change apart from the security personnel when still having a period, the sealing medium who overflows can influence on-the-spot safety in production.
Therefore, the valve packing gland capable of temporarily stopping leakage has very important significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: to the problem that above-mentioned exists, provide a valve packing gland and valve mechanism, this packing gland under the condition that sealing failure appears in valve rod and packing group, the medium that can effectively prevent to leak emits from packing gland, wins the time for maintenance and change valve.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a valve packing gland comprises a packing gland body, a gasket and a gasket gland; the packing gland body is provided with a columnar counter bore, and the columnar counter bore comprises a groove and a first through hole positioned at the bottom of the groove; the groove is internally connected with a gasket gland, a gasket is arranged between the gasket gland and the bottom of the groove, and the gasket gland and the groove can extrude the gasket from two sides of the gasket.
The valve packing gland provided by the utility model mainly comprises a packing gland body, a gasket and a gasket gland, wherein one end of the packing gland body is provided with a groove communicated with a through hole of the packing gland, when the valve packing gland is used, the packing door gland is sleeved on a valve rod, the gasket is arranged in the groove, the gasket gland is pressed on the gasket, when the gasket gland compresses the gasket, two ends of the gasket are tightly attached to the valve rod and the groove, the packing gland can play a role in temporary plugging, and time is saved for maintaining and replacing the valve.
As a preferable aspect of the present invention, the gasket pressing cover is screw-coupled with the groove.
As a preferable scheme of the present invention, the outer wall of the gasket gland is provided with a first external thread, the inner wall of the groove is provided with a first internal thread, and the first external thread is adapted to the first internal thread.
As a preferable scheme of the utility model, the groove is of an annular structure, and the gasket is an O-shaped structural part.
As a preferable aspect of the present invention, the gasket is a rubber gasket or a soft metal gasket. The use that changes the packing ring material and can satisfy sealed different medium operating modes, simultaneously, the use environment that adopts the sealed of metal material can satisfy the change pressure operating mode.
Another object of the present invention is to provide a valve mechanism including the above valve packing gland.
A valve mechanism comprises the valve packing gland, a packing set, a valve rod and a valve cover; the valve cover is provided with a second through hole; the packing group is arranged in the valve cover, one end of the packing gland body, which is far away from the groove, is connected with the valve cover and is pressed on the packing group, and the valve rod sequentially penetrates into the groove, the first through hole, the packing group and the second through hole;
when the gasket gland presses the gasket, two ends of the gasket are respectively in sealing fit with the groove and the valve rod.
The valve mechanism adopting the novel packing gland is simple to transform, does not transform a valve body, has a good temporary plugging effect, is convenient to operate, and can be widely popularized and applied.
As the preferable scheme of the utility model, the packing gland body is in threaded connection with the valve cover.
As a preferable scheme of the present invention, the outer wall of the packing gland body is provided with a second external thread, the inner wall of the valve cover is provided with a second internal thread, and the second external thread is adapted to the second internal thread.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. the valve packing gland provided by the utility model mainly comprises a packing gland body, a gasket and a gasket gland, wherein one end of the packing gland body is provided with a groove communicated with a through hole of the packing gland, when the valve packing gland is used, the packing door gland is sleeved on a valve rod, the gasket is arranged in the groove, the gasket gland is pressed on the gasket, when the gasket gland compresses the gasket, the gasket gland, the groove and the valve rod form interference fit, the packing gland can effectively block leakage, time is saved for maintaining and replacing the valve, and the packing gland is simple in structure, convenient to operate, low in modification cost and convenient to widely popularize.
2. The utility model provides a valve mechanism adopting a novel packing gland, which is simple to transform, good in temporary plugging effect and convenient to operate, does not transform a utility model body, and can be widely popularized and applied.
Drawings
Fig. 1 is a schematic diagram of a packing gland and a part of a valve structure in the background art.
Fig. 2 is a schematic structural diagram of the packing gland described in embodiment 1.
Fig. 3 is a schematic structural view of the valve mechanism described in embodiment 2.
Icon: 1-packing gland body; 11-a first via; 12-a first end; 121-grooves; 13-a second end; 2-a gasket; 3-a gasket gland; 4-packing group; 5-valve stem; 6-valve cover; 61-second through hole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1
As shown in fig. 2, a valve packing gland comprises a packing gland body 1, a gasket 2 made of rubber and a gasket gland 3; the packing gland body 1 is provided with a first through hole 11; the packing gland body 1 comprises a first end 12 and a second end 13; the first end 12 is larger than the diameter of the second end 13.
The first end 12 is provided with a groove 121, the bottom end of the groove 121 is communicated with the first through hole 11, and the diameter of the groove 121 is smaller than that of the first end 12;
the groove 121 is annular, and the gasket 2 is an O-shaped structural member. The gasket 2 is placed in the groove 121, and the gasket gland 3 is pressed on the gasket 2.
The outer wall of the gasket gland 3 is provided with a first external thread, the inner wall of the groove 121 is provided with a first internal thread, and the first external thread is matched with the first internal thread.
Preferably, the gasket 2 is a soft metal gasket, and the metal sealing mode can meet the use requirement under the higher pressure working condition.
The valve packing gland provided by the utility model mainly comprises a packing gland body, a gasket and a gasket gland, wherein one end of the packing gland body is provided with a groove communicated with a through hole of the packing gland, when the valve packing gland is used, the packing door gland is sleeved on a valve rod, the gasket is arranged in the groove, the gasket gland is pressed on the gasket, when the gasket gland compresses the gasket, the gasket gland, the groove and the valve rod form interference fit, the packing gland can effectively block leakage, time is saved for maintaining and replacing the valve, and the packing gland is simple in structure, convenient to operate, low in modification cost and convenient to widely popularize.
Example 2
As shown in fig. 3, a valve mechanism includes the valve packing gland, packing set 4, valve stem 5 and bonnet 6 described in embodiment 1.
The valve cover 6 is provided with a second through hole 61; the packing group 4 is arranged in the valve cover 6, the two ends 13 are connected with the valve cover 6 and are arranged on the packing group 4 in a pressing mode, and the valve rod 5 penetrates through the first through hole 11, the packing group 4 and the second through hole 61 in sequence. The packing gland body 1 is in threaded connection with the valve cover 6. The outer wall of packing gland body 1 is provided with the second external screw thread, the inner wall of valve gap 6 is provided with the second internal thread, the second external screw thread with the adaptation of second internal thread.
When leakage occurs and temporary leakage stoppage is needed, the gasket gland 3 is screwed, and the gasket 2 forms interference fit with the groove 121 and the valve rod 5. Under the condition of slight leakage, the O-shaped gasket is deformed by rotating and extruding the added O-shaped gasket pressing cover and the packing pressing cover, the bottom of the gasket pressing cover and the side face of the packing pressing cover are tightly attached to the top of the gasket pressing cover, a leakage channel is blocked, and the effect of temporary plugging is achieved.
The utility model provides a valve mechanism adopting a novel packing gland, which is simple to transform, good in temporary plugging effect and convenient to operate, does not transform a utility model body, and can be widely popularized and applied.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A valve packing gland is characterized by comprising a packing gland body (1), a gasket (2) and a gasket gland (3);
a columnar counter bore is arranged on the packing gland body (1), and comprises a groove (121) and a first through hole (11) positioned at the bottom of the groove (121); the utility model discloses a packing ring, including recess (121), recess (121) in-connection have packing ring gland (3), packing ring gland (3) with be provided with packing ring (2) between recess (121) bottom, packing ring gland (3) with the recess can be followed the both sides extrusion of packing ring (2).
2. Valve packing gland according to claim 1, characterized in that the washer gland (3) is screwed into the groove (121).
3. Valve packing gland according to claim 2, characterized in that the outer wall of the washer gland (3) is provided with a first external thread and the inner wall of the groove (121) is provided with a first internal thread, the first external thread fitting with the first internal thread.
4. Valve packing gland according to claim 1, characterized in that the groove (121) is of annular configuration and the washer (2) is an O-ring.
5. Valve packing gland according to claim 1, characterized in that the gasket (2) is a rubber gasket or a soft metal gasket.
6. Valve mechanism, characterized in that it comprises a valve packing gland, packing set (4), valve stem (5) and bonnet (6) according to claims 1-5; the valve cover (6) is provided with a second through hole (61); the packing group (4) is arranged in the valve cover (6), one end, far away from the groove (121), of the packing gland body (1) is connected with the valve cover (6) and is pressed on the packing group (4), and the valve rod (5) penetrates through the groove (121), the first through hole (11), the packing group (4) and the second through hole (61) in sequence;
when the gasket gland (3) compresses the gasket (2), two ends of the gasket (2) are respectively in sealing fit with the groove (121) and the valve rod (5).
7. The valve mechanism according to claim 6, characterized in that the packing gland body (1) is in threaded connection with the bonnet (6).
8. The valve mechanism according to claim 7, characterized in that the outer wall of the packing gland body (1) is provided with a second external thread, and the inner wall of the bonnet (6) is provided with a second internal thread, the second external thread fitting with the second internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122365390.0U CN215635332U (en) | 2021-09-28 | 2021-09-28 | Valve packing gland and valve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122365390.0U CN215635332U (en) | 2021-09-28 | 2021-09-28 | Valve packing gland and valve mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215635332U true CN215635332U (en) | 2022-01-25 |
Family
ID=79933125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122365390.0U Active CN215635332U (en) | 2021-09-28 | 2021-09-28 | Valve packing gland and valve mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215635332U (en) |
-
2021
- 2021-09-28 CN CN202122365390.0U patent/CN215635332U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2427439A (en) | Valve | |
| CN209818774U (en) | Push-pull type water control valve | |
| CN210372220U (en) | Static sealing structure between valve and pipeline | |
| CN215635332U (en) | Valve packing gland and valve mechanism | |
| CN2472038Y (en) | Urgent quick acting blocker | |
| KR20110065663A (en) | Sealant injector for valve | |
| CN207018557U (en) | One kind takes out rod type gate valve | |
| CN206972936U (en) | A kind of butterfly valve | |
| CN217874204U (en) | Stop valve prevents excessive structure of screwing up | |
| CN216242390U (en) | Thread hydraulic double-sealing water tap | |
| CN201053318Y (en) | Logging device by-pass short joint cable passage dynamic sealing device | |
| CN215257854U (en) | Novel high-pressure stop valve | |
| CN210291131U (en) | Plugging valve for flange leakage | |
| CN218236156U (en) | Anti-leakage valve body | |
| CN2649882Y (en) | Dual-arc-piece sluice valve | |
| CN215060213U (en) | Pipeline connecting structure with valve | |
| CN216478945U (en) | High-pressure needle valve | |
| CN201180800Y (en) | Elastic seal ball valve | |
| CN218267258U (en) | Self-sealing stop valve | |
| CN218294690U (en) | Rubber tube valve convenient to assembly | |
| CN220134653U (en) | Bonnet type straight-through stop valve | |
| CN219102194U (en) | Leak-proof water valve | |
| CN202469288U (en) | External thread structure of pipe fitting with external thread | |
| CN213088795U (en) | PPR latus rectum gate valve | |
| CN211976178U (en) | Anti-drop double-protection screw mouth soft sealing gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |