CN208858975U - A kind of control valve high-pressure seal ring - Google Patents
A kind of control valve high-pressure seal ring Download PDFInfo
- Publication number
- CN208858975U CN208858975U CN201821517994.4U CN201821517994U CN208858975U CN 208858975 U CN208858975 U CN 208858975U CN 201821517994 U CN201821517994 U CN 201821517994U CN 208858975 U CN208858975 U CN 208858975U
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- valve
- slot
- fixed block
- pressure seal
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a kind of control valve high-pressure seal rings, including end cap, the end cap bottom end is fixedly connected with valve body, two sections are respectively arranged with slot and lower slot in the end cap, top is provided with fixed block with upper slot junction in the lower slot, the upper end of fixing block connects mandril one end, mandril other end extension end covers the outer setting of end face opening, the lower end of fixing block connects valve rod one end, the valve rod other end is fixedly connected with valve plate, the valve plate is placed in setting in valve body, the valve rod and valve rod junction are provided with spring base, the upper end of fixing block face mandril periphery is provided with the first sealing ring, the utility model has splendid sealing effect, and sealing ring does not receive direct extrusion friction, it is lost small, long service life.
Description
Technical field
The utility model relates to sealing ring field, specially a kind of control valve high-pressure seal ring.
Background technique
Currently, execution unit of the control valve as industrial automation system, it executing agency's push rod output position and
Valve rod output position substantially uses traditional O-ring seal, and the defect of this structure type is: traditional O-ring seal
Edge shape is involute, is easy when the valve rod on executing agency's push rod and valve body moves above and below by extraneous impurity or dirt band
Enter executing agency inner cavity and body cavity, also, sealing ring is directly contacted with valve rod, sealing ring is carried out when valve rod moves up and down
Extrusion friction is easy to damage sealing ring, thus it is ineffective, influence sealing effect.
Utility model content
The purpose of this utility model is to provide a kind of control valve high-pressure seal rings, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of control valve high-pressure seal ring, including end cap, the end cap bottom end are fixedly connected with valve body, in the end cap on
Lower two sections are respectively arranged with slot and lower slot, and top is provided with fixed block, the fixed block with upper slot junction in the lower slot
Upper end connects mandril one end, and mandril other end extension end covers the outer setting of end face opening, the lower end of fixing block connection valve
Bar one end, the valve rod other end are fixedly connected with valve plate, and the valve plate is placed in setting, the valve rod in valve body and connect with valve rod
Place is provided with spring base, and the upper end of fixing block face mandril periphery is provided with the first sealing ring.
Preferably, the lower slot diameter is arranged greater than upper slot diameter.
Preferably, the stem exterior surface between the spring base and fixed block is provided with reset spring.
Preferably, air inlet and air outlet are provided at left and right sides of valve plate in the valve body.
Preferably, the first sealing ring of lower end of fixing block face opposite side is provided with the second sealing ring, the spring base
Bottom face and valve body junction are provided with third sealing ring.
Preferably, first sealing ring includes steel sealing ring and briquetting, is provided between the sealing ring and briquetting
Soft graphite winds sealing ring, and the steel sealing ring and briquetting are set with upper end of fixing block face and lower slot inner wall contact connectio respectively
It sets.
Compared with prior art, the utility model has the beneficial effects that including end cap, end cap bottom end is fixedly connected with valve
Body, two sections are respectively arranged with slot and lower slot in end cap, and top is provided with fixed block with upper slot junction in lower slot, fixed
Block upper surface mandril periphery is provided with the first sealing ring, and lower end of fixing block face the first sealing ring opposite side is provided with the second sealing
Circle, spring base bottom face and valve body junction are provided with third sealing ring, have good sealing effect, and the first sealing ring includes
Steel sealing ring and briquetting are provided with soft graphite winding sealing ring, steel sealing ring and briquetting point between sealing ring and briquetting
Do not connect and be arranged with upper end of fixing block face and lower slot inner wall, therefore, when mandril and valve rod move up and down, the first sealing ring and
Second sealing ring plays sealing function simultaneously, and raising sealing effect and sealing ring do not receive the direct friction of rod piece, loss
It is small, in addition, the spring base bottom face in end cap and valve body junction is provided with third sealing ring, sealing effect is further increased,
Therefore, the utility model has splendid sealing effect, and sealing ring does not receive direct extrusion friction, and loss is small, uses the longevity
Life length.
Detailed description of the invention
Fig. 1 is a kind of cross section structure schematic diagram of control valve high-pressure seal ring；
Fig. 2 is a kind of the first ring structure schematic diagram of control valve high-pressure seal ring.
In figure: 1- air inlet, 2- third sealing ring, 3- spring base, 4- reset spring, 5- valve rod, 6- fixed block, 7- second
Sealing ring, the first sealing ring of 9-, 10- end cap, the upper slot of 11-, 12- mandril, slot under 13-, 14- valve body, 15- valve plate, 16- outlet
Mouthful, 17- briquetting, 18- soft graphite winds sealing ring, 19- steel sealing ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1~2 are please referred to, the utility model provides a kind of technical solution: a kind of control valve high-pressure seal ring, including end cap
10,10 bottom end of end cap is fixedly connected with valve body 14, and two sections are respectively arranged with slot 11 and lower slot in the end cap 10
13, the interior top of the lower slot 13 is provided with fixed block 6 with upper 11 junction of slot, and 6 upper end of fixed block connects 12 one end of mandril,
12 other end of mandril stretches out the outer setting of 10 upper surface of end cap opening, and 6 lower end of fixed block connects 5 one end of valve rod, described
5 other end of valve rod is fixedly connected with valve plate 15, and the valve plate 15 is placed in setting in valve body 14, the valve rod 5 and 5 junction of valve rod
It is provided with spring base 3,6 upper surface mandril of fixed block, 12 periphery is provided with the first sealing ring 9.
13 diameter of lower slot is arranged greater than upper 11 diameter of slot.
5 outer surface of valve rod between the spring base 3 and fixed block 6 is provided with reset spring 4.
Air inlet 1 and gas outlet 16 are provided at left and right sides of valve plate 15 in the valve body 14.
6 the first sealing ring of lower end surface of fixed block, 9 opposite side is provided with the second sealing ring 7,3 bottom end of spring base
Face and 14 junction of valve body are provided with third sealing ring 2.
First sealing ring 9 includes steel sealing ring 19 and briquetting 17, is arranged between the sealing ring 19 and briquetting 17
Flexible graphite winds sealing ring 18, and the steel sealing ring 19 and briquetting 17 are respectively and in 6 upper surface of fixed block and lower slot 13
Wall connects setting.
The working principle of the utility model is: the utility model is a kind of control valve high-pressure seal ring, including end cap 10, end
10 bottom end of lid is fixedly connected with valve body 14, and two sections are respectively arranged with slot 11 and lower slot 13 in end cap 10, in lower slot 13 on
Square that upper 11 junction of slot is provided with fixed block 6,6 upper surface mandril of fixed block, 12 periphery is provided with the first sealing ring 9, fixed block
6 the first sealing ring of lower end surface, 9 opposite side is provided with the second sealing ring 7, and 3 bottom face of spring base is provided with 14 junction of valve body
Third sealing ring 2, has good sealing effect, and the first sealing ring 9 includes steel sealing ring 19 and briquetting 17,19 He of sealing ring
Be provided with soft graphite winding sealing ring 18 between briquetting 17, steel sealing ring 19 and briquetting 17 respectively with 6 upper surface of fixed block
It connects and is arranged with lower 13 inner wall of slot, therefore, when mandril 12 and valve rod 5 move up and down, the first sealing ring 9 and the second sealing ring
7 play sealing function simultaneously, and raising sealing effect and sealing ring do not receive the direct friction of rod piece, and loss is small, in addition,
3 bottom face of spring base of 14 junction of end cap 10 and valve body is provided with third sealing ring 2, further increases sealing effect.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of control valve high-pressure seal ring, including end cap (10), it is characterised in that: end cap (10) bottom end is fixedly connected with
Valve body (14), the interior two sections of the end cap (10) are respectively arranged with slot (11) and lower slot (13), in the lower slot (13) on
Square to be provided with fixed block (6) with upper slot (11) junction, fixed block (6) upper end connects mandril (12) one end, the mandril
(12) other end stretches out the outer setting of end cap (10) upper surface opening, and fixed block (6) lower end connects valve rod (5) one end, described
Valve rod (5) other end is fixedly connected with valve plate (15), and the valve plate (15) is placed in setting in valve body (14), the valve rod (5) with
Valve rod (5) junction is provided with spring base (3), and fixed block (6) upper surface mandril (12) periphery is provided with the first sealing ring
(9)。
2. a kind of control valve high-pressure seal ring according to claim 1, it is characterised in that: lower slot (13) diameter is greater than
Upper slot (11) diameter setting.
3. a kind of control valve high-pressure seal ring according to claim 1, it is characterised in that: the spring base (3) and fixation
Valve rod (5) outer surface between block (6) is provided with reset spring (4).
4. a kind of control valve high-pressure seal ring according to claim 1, it is characterised in that: the interior valve plate of the valve body (14)
(15) left and right sides is provided with air inlet (1) and gas outlet (16).
5. a kind of control valve high-pressure seal ring according to claim 1, it is characterised in that: fixed block (6) lower end surface
First sealing ring (9) opposite side is provided with the second sealing ring (7), spring base (3) bottom face and valve body (14) junction
It is provided with third sealing ring (2).
6. a kind of control valve high-pressure seal ring according to claim 1, it is characterised in that: the first sealing ring (9) packet
Steel sealing ring (19) and briquetting (17) are included, soft graphite winding sealing is provided between the sealing ring (19) and briquetting (17)
It encloses (18), the steel sealing ring (19) and briquetting (17) contact company with fixed block (6) upper surface and lower slot (13) inner wall respectively
Connect setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517994.4U CN208858975U (en) | 2018-09-13 | 2018-09-13 | A kind of control valve high-pressure seal ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517994.4U CN208858975U (en) | 2018-09-13 | 2018-09-13 | A kind of control valve high-pressure seal ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208858975U true CN208858975U (en) | 2019-05-14 |
Family
ID=66418202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821517994.4U Expired - Fee Related CN208858975U (en) | 2018-09-13 | 2018-09-13 | A kind of control valve high-pressure seal ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208858975U (en) |
-
2018
- 2018-09-13 CN CN201821517994.4U patent/CN208858975U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190514 Termination date: 20210913 |