CN208268428U - A kind of sealing mechanism of valve end - Google Patents
A kind of sealing mechanism of valve end Download PDFInfo
- Publication number
- CN208268428U CN208268428U CN201820728306.2U CN201820728306U CN208268428U CN 208268428 U CN208268428 U CN 208268428U CN 201820728306 U CN201820728306 U CN 201820728306U CN 208268428 U CN208268428 U CN 208268428U
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- valve
- bearing
- connector
- deck
- valve body
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Abstract
A kind of sealing mechanism of valve end disclosed by the utility model, comprising: valve body；Encapsulated blade, wherein the both ends of encapsulated blade are connected to valve body, the length of encapsulated blade is A, and the length of valve body is D, and length A is greater than length D；First valve shaft and the second valve shaft, wherein the first valve shaft is fixedly connected with encapsulated blade, the second valve shaft is fixedly connected with encapsulated blade；First bearing and second bearing, wherein first bearing is set to outside the first valve shaft, and second bearing is set to outside the second valve shaft, and the end abutment of first bearing and encapsulated blade, second bearing is abutted with the other end of encapsulated blade；First valve deck and the second valve deck, wherein the first valve deck is set to the outside of valve body and is connected with valve body, the second valve deck is set to the outside of valve body and is fixedly connected with the valve body.A possibility that sealing mechanism of the valve end at least two seals can preferably protect valve shaft, reduce leakage.
Description
Technical field
The utility model relates to the technical field of valve seal, in particular to a kind of sealing mechanism of valve end.
Background technique
Valve is a kind of important control conduit assembly, and major function is to adjust opening and closing, flow, the flowing of fluids within pipes
Direction, pressure etc..Key component of the valve as whole device and system, especially in industries such as petroleum, chemical industry, once it fails
Or medium leakage may result in the generation of the catastrophic events such as severe toxicity release, explosion, will cause heavy economic losses and people
Member's injures and deaths.Therefore, for valve, select suitable sealing structure most important.
Utility model content
The purpose of this utility model is to provide a kind of sealing mechanisms of valve end, solve in above-mentioned prior art problem
One or more.
The utility model provides a kind of sealing mechanism of valve end, comprising:
Valve body；
Encapsulated blade, wherein encapsulated blade is set in valve body, the both ends of encapsulated blade are connected to valve body, the length of encapsulated blade
Degree is A, and the length of valve body is D, and length A is greater than length D；
First valve shaft and the second valve shaft, wherein the first valve shaft is fixedly connected with encapsulated blade, the second valve shaft and encapsulated blade
It is fixedly connected；
First bearing and second bearing, wherein first bearing is set to outside the first valve shaft, and second bearing is set to the second valve shaft
Outside, the end abutment of first bearing and encapsulated blade, second bearing are abutted with the other end of encapsulated blade；
First valve deck and the second valve deck, wherein the first valve deck is set to the outside of valve body and is connected with valve body, the first valve deck
It is abutted with first bearing, when tightening the first valve deck, first bearing can be made mobile to encapsulated blade, the second valve deck is set to valve body
External and be fixedly connected with the valve body, the second valve deck is abutted with second bearing, when tightening the second valve deck, second bearing can be made to packet
Glue blade is mobile.
In some embodiments, by bolt or flanged joint, the second valve deck passes through with valve body for the first valve deck and valve body
Bolt or flanged joint.
In some embodiments, first bearing outer cover is equipped with the first axle sleeve, and external screw thread is equipped on the outside of the first axle sleeve, the
One valve deck is equipped with internal screw thread, the first valve deck and the first axle sleeve and engages connection by screw thread, and the first axle sleeve is abutted with encapsulated blade, the
The first gasket is equipped between one axle sleeve and valve body, second bearing outer cover is equipped with the second axle sleeve, is equipped on the outside of the second axle sleeve outer
Screw thread, the second valve deck are equipped with internal screw thread, the second valve deck and the second axle sleeve and engage connection, the second axle sleeve and encapsulated blade by screw thread
It abuts, the second gasket is equipped between the second axle sleeve and valve body.
In some embodiments, encapsulated blade includes valve plate, the first connector and the second connector, the first valve shaft and
A connection piece is fixedly connected, and the second valve shaft is fixedly connected with the second connector；
Wherein, the first connector is cylindrical body, square through hole is equipped among cylindrical body, it is recessed that cylindrical outer surface is equipped with first
Slot and the second groove, the first groove and the second groove are symmetrical arranged, and the first groove and the second groove are the axial directions along cylindrical body
From outer surface cut through to square through hole formed slot, the second connector as the first connecting-piece structure,
Wherein, valve plate is circular valve plate, and the end of valve plate is equipped with the first notch and the second notch, and the first notch and second lack
Mouth is symmetrical arranged about the center of circle of valve plate, and the first connector is fixedly connected with the first indentation, there of valve plate, the second connector and valve
Second indentation, there of plate is fixedly connected；
Wherein, valve plate upper surface is equipped with the first rubber adhesive, and valve plate lower surface is equipped with the second rubber adhesive, and first connects
Fitting is coated with third rubber layer, and the first connector is equipped with first annular rubber boss far from one end of valve plate, and second connects
Fitting is coated with the 4th rubber layer, and the second connector is equipped with the second ring-shaped rubber boss far from one end of valve plate；
Wherein, first bearing is abutted with third rubber layer, and second bearing is abutted with the 4th rubber layer, first annular rubber convex
Platform is abutted with valve body, and the second ring-shaped rubber boss is abutted with valve body.
The utility model has the advantages that the sealing mechanism of the valve end of the utility model embodiment at least two seals, it can be preferably
A possibility that protecting valve shaft, reducing leakage.Wherein, encapsulated the vane size A is greater than the dimension D of valve body, so that encapsulated blade two
The rubber boss at end is squeezed, so that forming first of sealing between encapsulated blade and valve body；Bearing is fixed on valve by valve deck
On body, bearing and encapsulated blade form second by extruding and seal.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the sealing mechanism of valve end in one embodiment of the utility model；
Fig. 2 is a kind of partial structural diagram of the sealing mechanism of valve end in one embodiment of the utility model；
Fig. 3 is the structural schematic diagram of encapsulated blade in one embodiment of the utility model；
Fig. 4 is the structural schematic diagram of the valve plate of encapsulated blade in one embodiment of the utility model；
Fig. 5 is the structural schematic diagram of the first connector of encapsulated blade in one embodiment of the utility model.
Specific embodiment
With reference to the accompanying drawings of the specification, the utility model is described in more detail.
As shown in Figure 1,
A kind of sealing mechanism of valve end, comprising:
Valve body 20；
Encapsulated blade 10, encapsulated blade 10 are set in valve body 20, and the both ends of encapsulated blade 10 are connected to valve body 20, encapsulated leaf
The length of piece 10 is A, and the length of valve body 20 is D, and length A is greater than length D；
First valve shaft 41 and the second valve shaft 42, the first valve shaft 41 are fixedly connected with encapsulated blade 10, the second valve shaft 42 and packet
Glue blade 10 is fixedly connected；
First bearing 31 and second bearing 32, first bearing 31 are set to outside the first valve shaft 41, and second bearing 32 is set to the
Outside two valve shafts 42, the end abutment of first bearing 31 and encapsulated blade 10, the other end of second bearing 32 and encapsulated blade 10
It abuts；
First valve deck 51 and the second valve deck 52, the first valve deck 51 are set to the outside of valve body 20 and are connected with valve body 20, the
One valve deck 51 is abutted with first bearing 31, when tightening the first valve deck 51, first bearing 31 can be made mobile to encapsulated blade 10, the
Two valve decks 52 are set to the outside of valve body 20 and are fixedly connected with valve body 20, and the second valve deck 52 is abutted with second bearing 32, is being tightened
When the second valve deck 52, second bearing 32 can be made mobile to encapsulated blade 10.
Further, with valve body 20 by bolt or flanged joint, the second valve deck 52 passes through the first valve deck 51 with valve body 20
Bolt or flanged joint.
Wherein, encapsulated the vane size A is greater than the dimension D of valve body, so that the rubber boss of encapsulated both ends of the blade is by crowded
Pressure, so that forming first of sealing between encapsulated blade and valve body；Valve deck is fixed on valve body by bolt or flange, by twisting
The screw or flange of tight valve deck, so that bearing and encapsulated blade pinches, form second sealing.
As shown in Fig. 2,
Further, 31 outer cover of first bearing is equipped with the first axle sleeve 60, is equipped with external screw thread on the outside of the first axle sleeve 60, and first
Valve deck 51 is equipped with internal screw thread, the first valve deck 51 and the first axle sleeve 60 and engages connection, the first axle sleeve 60 and encapsulated blade by screw thread
10 abut, and the first gasket 61 is equipped between the first axle sleeve 60 and valve body 20, and 32 outer cover of second bearing is equipped with the second axle sleeve, the
External screw thread is equipped on the outside of two axle sleeves, the second valve deck 52, which is equipped with internal screw thread, the second valve deck 52 and the second axle sleeve and engages by screw thread, to be connected
It connects, the second axle sleeve is abutted with encapsulated blade 10, and the second gasket is equipped between the second axle sleeve and valve body 20.
It is designed in this way, valve end has multi-sealing structure, axle sleeve and encapsulated blade contact, due to the ruler of encapsulated blade
Very little A is greater than the dimension D of valve body, so that encapsulated both ends of the blade is squeezed, so that being formed between encapsulated blade and valve body first
Sealing；By tightening valve deck, so that valve body, axle sleeve and gasket between the two are fitted close, second sealing is formed；Valve
The internal screw thread of lid and the external screw thread of axle sleeve form three seals by the screw thread glue of screw thread and addition between the two；Pass through
Valve deck is tightened, so that bearing and encapsulated blade pinches, form the 4th sealing.
As shown in figure 3,
Further, encapsulated blade 10 includes valve plate 101, the first connector 102 and the second connector 103, the first valve shaft
41 are fixedly connected with the first connector 102, and the second valve shaft 42 is fixedly connected with the second connector 103；
As shown in figure 4,
First connector 102 is cylindrical body, and square through hole 121 is equipped among cylindrical body, and cylindrical outer surface is equipped with first
Groove 122 and the second groove 123, the first groove 122 and the second groove 123 are symmetrical arranged, the first groove 122 and the second groove
123 be that the slot formed to square through hole 121 is cut through from outer surface along the axial of cylindrical body, and the second connector 103 and first connects
102 structure of fitting is the same；
Wherein, the first valve shaft 41 is inserted into square through hole 121, by modes such as welding, with the fixed company of the first connector 102
It connects；Second valve shaft 42 is fixedly connected with the second connector 103 also by aforesaid way.
As shown in figure 5,
Valve plate 101 is circular valve plate, and the end of valve plate 101 is equipped with the first notch 111 and the second notch 112, the first notch
111 and second notch 112 be symmetrical arranged about the center of circle of valve plate 101, the first notch 111 of the first connector 102 and valve plate 101
Place is fixedly connected, and is fixedly connected at the second connector 103 and the second notch 112 of valve plate 101；
Wherein, the first groove 122 and the second groove of the first connector 102 are inserted at the first notch 111 of valve plate 101
123, it is fixedly connected by modes such as welding, it can also be by upper at the second connector 103 and the second notch 112 of valve plate 101
The mode of stating is fixedly connected.
101 upper surface of valve plate is equipped with the first rubber adhesive 104, and 101 lower surface of valve plate is equipped with the second rubber adhesive
105.Wherein, settable several through-holes on valve plate 101 when so that valve plate 101 carrying out encapsulated, are connected by the rubber through through-hole
Body is more firm by the first rubber adhesive 104 of valve plate 101 and the connection of the second rubber adhesive 105.
First connector 102 is coated with third rubber layer 106, first one end of connector 102 far from valve plate 101
Equipped with first annular rubber boss 108, the second connector 103 is coated with the 4th rubber layer 107, and the second connector 103 is remote
One end from valve plate 101 is equipped with the second ring-shaped rubber boss 109；
First bearing 31 is abutted with third rubber layer 106, and second bearing 32 is abutted with the 4th rubber layer 107, first annular
Rubber boss 108 is abutted with valve body 20, and the second ring-shaped rubber boss 109 is abutted with valve body 20.
Wherein, first bearing 31 is abutted with third rubber layer 106, by tightening the first valve deck 51, so that first bearing 31
Extruding is generated with third rubber layer 106, obtains preferable sealing effect；Second bearing 32 is abutted with the 4th rubber layer 107, is also
So.
First annular rubber boss 108 is abutted with valve body 20, since the size of encapsulated blade 10 is greater than valve body 20, the first ring
Shape rubber boss 108 is squeezed with valve body 20, obtains preferable sealing effect；Second ring-shaped rubber boss 109 and valve body 20
It abuts, is also such.
The sealing mechanism of valve end in embodiment provided by the utility model at least two seals, can be preferably
A possibility that protecting valve shaft, reducing leakage.Wherein, encapsulated the vane size A is greater than the dimension D of valve body, so that encapsulated blade two
The rubber boss at end is squeezed, so that forming first of sealing between encapsulated blade and valve body；Bearing is fixed on valve by valve deck
On body, bearing and encapsulated blade form second by extruding and seal.
The above statement is only the preferred embodiment of the utility model, it is noted that those skilled in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these also should be regarded as this reality
Within novel protection scope.
Claims (4)
1. a kind of sealing mechanism of valve end characterized by comprising
Valve body (20)；
Encapsulated blade (10), the encapsulated blade (10) are set in the valve body (20), and the both ends of the encapsulated blade (10) are supported
It is connected to the valve body (20), the length of the encapsulated blade (10) is A, and the length of the valve body (20) is D, and the length A is big
In length D；
First valve shaft (41) and the second valve shaft (42), first valve shaft (41) are fixedly connected with the encapsulated blade (10), institute
The second valve shaft (42) is stated to be fixedly connected with the encapsulated blade (10)；
First bearing (31) and second bearing (32), the first bearing (31) is set to the first valve shaft (41) outside, described
Second bearing (32) is set to the second valve shaft (42) outside, the end of the first bearing (31) and the encapsulated blade (10)
It abuts, the second bearing (32) abuts with the other end of the encapsulated blade (10)；
First valve deck (51) and the second valve deck (52), first valve deck (51) be set to the valve body (20) outside and with it is described
Valve body (20) is connected, and first valve deck (51) abuts with the first bearing (31), is tightening first valve deck (51)
When, the first bearing (31) can be made mobile to the encapsulated blade (10), second valve deck (52) is set to the valve body
(20) it outside and being fixedly connected with the valve body (20), second valve deck (52) abuts with the second bearing (32),
When tightening the second valve deck (52), the second bearing (32) can be made mobile to the encapsulated blade (10).
2. a kind of sealing mechanism of valve end according to claim 1, which is characterized in that first valve deck (51) with
The valve body (20) is connected by bolt or flanged joint, second valve deck (52) and the valve body (20) by bolt or flange
It connects.
3. a kind of sealing mechanism of valve end according to claim 1, which is characterized in that the first bearing (31) is outside
Portion is arranged with the first axle sleeve (60), and external screw thread is equipped on the outside of first axle sleeve (60), and first valve deck (51) is equipped with interior spiral shell
Line, first valve deck (51) and first axle sleeve (60) by screw thread engage connect, first axle sleeve (60) with it is described
Encapsulated blade (10) abuts, equipped with the first gasket (61) between first axle sleeve (60) and the valve body (20), described the
Two bearings (32) outer cover is equipped with the second axle sleeve, is equipped with external screw thread on the outside of second axle sleeve, second valve deck (52) is equipped with
Internal screw thread, second valve deck (52) and second axle sleeve by screw thread engage connect, second axle sleeve with it is described encapsulated
Blade (10) abuts, and the second gasket is equipped between second axle sleeve and the valve body (20).
4. according to claim 1 to a kind of sealing mechanism of valve end described in any claim in 3, which is characterized in that
The encapsulated blade (10) includes valve plate (101), the first connector (102) and the second connector (103), first valve shaft
(41) it is fixedly connected with first connector (102), second valve shaft (42) and the fixed company of second connector (103)
It connects；
First connector (102) is cylindrical body, square through hole (121) is equipped among the cylindrical body, outside the cylindrical body
Surface is equipped with the first groove (122) and the second groove (123), and first groove (122) and the second groove (123) are symmetrically set
It sets, first groove (122) and the second groove (123) are cut through from outer surface to square through hole along the axial of cylindrical body
(121) formed slot, second connector (103) as the first connector (102) structure,
The valve plate (101) is circular valve plate, and the end of the valve plate (101) is equipped with the first notch (111) and the second notch
(112), first notch (111) and second notch (112) are symmetrical arranged about the center of circle of the valve plate (101), institute
It states and is fixedly connected at the first connector (102) and the first notch (111) of the valve plate (101), second connector (103)
It is fixedly connected at the second notch (112) of the valve plate (101)；
Valve plate (101) upper surface is equipped with the first rubber adhesive (104), and valve plate (101) lower surface is equipped with the second rubber
Glue clad (105), first connector (102) are coated with third rubber layer (106), first connector
(102) one end far from the valve plate (101) is equipped with first annular rubber boss (108), the second connector (103) surface
It is enclosed with the 4th rubber layer (107), second connector (103) is equipped with the second annular far from the one end of the valve plate (101)
Rubber boss (109)；
The first bearing (31) abuts with the third rubber layer (106), the second bearing (32) and the 4th rubber
Layer (107) abuts, and the first annular rubber boss (108) abuts with the valve body (20), the second ring-shaped rubber boss
(109) it is abutted with the valve body (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728306.2U CN208268428U (en) | 2018-05-16 | 2018-05-16 | A kind of sealing mechanism of valve end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728306.2U CN208268428U (en) | 2018-05-16 | 2018-05-16 | A kind of sealing mechanism of valve end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208268428U true CN208268428U (en) | 2018-12-21 |
Family
ID=64682918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820728306.2U Active CN208268428U (en) | 2018-05-16 | 2018-05-16 | A kind of sealing mechanism of valve end |
Country Status (1)
| Country | Link |
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| CN (1) | CN208268428U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397556A (en) * | 2018-05-16 | 2018-08-14 | 点夺机电工程江苏有限公司 | A kind of sealing mechanism of valve end |
| CN110185807A (en) * | 2019-06-11 | 2019-08-30 | 点夺机电工程江苏有限公司 | A kind of side's valve |
-
2018
- 2018-05-16 CN CN201820728306.2U patent/CN208268428U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397556A (en) * | 2018-05-16 | 2018-08-14 | 点夺机电工程江苏有限公司 | A kind of sealing mechanism of valve end |
| CN108397556B (en) * | 2018-05-16 | 2024-06-11 | 点夺机电工程江苏有限公司 | Valve body mechanism |
| CN110185807A (en) * | 2019-06-11 | 2019-08-30 | 点夺机电工程江苏有限公司 | A kind of side's valve |
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