CN208565612U - A kind of valve deck and joint structure connecting valve of good airproof performance - Google Patents
A kind of valve deck and joint structure connecting valve of good airproof performance Download PDFInfo
- Publication number
- CN208565612U CN208565612U CN201821275912.XU CN201821275912U CN208565612U CN 208565612 U CN208565612 U CN 208565612U CN 201821275912 U CN201821275912 U CN 201821275912U CN 208565612 U CN208565612 U CN 208565612U
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- Prior art keywords
- valve deck
- valve
- connecting flange
- stud
- disc spring
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Abstract
The utility model discloses a kind of valve deck of good airproof performance and joint structure connecting valves, including valve body, annular sealing gaskets, valve deck, stud, nut and disc spring, the valve body upper end is integrally formed with connecting flange, the upper transverse plane of the connecting flange is equipped with cyclic annular cone seal slot, annular sealing gaskets is installed in the cone seal slot, valve deck is fixedly connected with by stud above the connecting flange, the upper and lower ends of the stud extend through valve deck and connecting flange, the upper and lower ends of the stud are respectively by being threaded with nut, two disc springs are respectively equipped between two nuts and valve deck and connecting flange, the corresponding overlapping in the side of two disc spring indents is placed, and the disc spring that two overlappings are placed is pressed on valve deck and connecting flange by two nuts respectively, valve deck bottom end end face is equipped with and annular sealing gaskets Corresponding cone seal slot.The utility model is simple and reasonable, and sealing effect is good, and low manufacture cost is practical.
Description
Technical field
The utility model relates to valve fields, are specifically related to the valve deck and joint structure connecting valve of a kind of good airproof performance.
Background technique
Gate valve is most common truncation class valve in industrial pipeline.Such valve has flow resistance small, with medium model
It encloses extensively, opens and closes the advantages that relatively labor-saving compared to shut-off valve, thus be widely used.But in long term high temperature operating condition, the valve of valve
The stud that body is connect with valve deck will appear stress relaxation phenomenon, lose so as to cause the valve body of valve and the sealing of valve deck junction
Effect, or even it can be also likely to cause serious consequence, for this purpose, it is proposed that a kind of valve deck of good airproof performance connect knot with valve body
Structure.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of valve deck of good airproof performance and joint structure connecting valve, solutions
The stud that existing valvular valve body is connect with valve deck of having determined will appear stress relaxation phenomenon at high temperature, lead to asking for seal failure
Topic.
In order to solve the above technical problems, the utility model the following technical schemes are provided: a kind of good airproof performance valve deck and valve
Attachment structure, including valve body, annular sealing gaskets, valve deck, stud, nut and disc spring, the valve body upper end are integrally formed with company
Acting flange, the upper transverse plane of the connecting flange are equipped with cyclic annular cone seal slot, are equipped with annular in the cone seal slot
Gasket seal, the connecting flange top are fixedly connected with valve deck by stud, and the upper and lower ends of the stud extend through valve deck
And connecting flange, the upper and lower ends of the stud are respectively by being threaded with nut, two nuts and valve deck and connection method
Two disc springs, the corresponding overlapping placement in the side of two disc spring indents, and two nuts are respectively equipped between orchid by two
The disc spring that a overlapping is placed is pressed on valve deck and connecting flange respectively, and valve deck bottom end end face is equipped with and Gask-O-Seal
The corresponding cone seal slot of piece.
On the basis of above scheme, the interior outside of the annular sealing gaskets upper and lower ends is respectively equipped with tapered slope, institute
Tapered slope is stated to be mutually matched with cone seal slot.
On the basis of above scheme, the disc spring is made of elastic material.
On the basis of above scheme, the stud be equipped with it is multiple, multiple studs pass through nut respectively and disc spring is uniform
It is fixedly connected on valve deck and connecting flange.
The utility model has the beneficial effect that a kind of valve deck of good airproof performance is connect with valve body compared with prior art
Structure improves the connection structure of valve deck and valve body using new structure, and setting annular sealing gaskets seals, existing
Increase disc spring on the basis of valve deck and valve body Stud connection, pressure is applied to disc spring by nut at normal temperature, disc spring, which has, inhales
The function of receiving pressure, when stud is when high temperature generates stress relaxation, disc spring can be released stress, to guarantee valve body and valve deck and ring
Sealing effect between shape gasket seal, the utility model is simple and reasonable, and sealing effect is good, low manufacture cost, practicability
By force.
Detailed description of the invention
Fig. 1 is a kind of valve deck of good airproof performance of the utility model and the structural schematic diagram of joint structure connecting valve；
Fig. 2 is the half-sectional structure of annular sealing gaskets of the valve deck and joint structure connecting valve of a kind of good airproof performance of the utility model
Schematic diagram；
Fig. 3 is a kind of valve deck of good airproof performance of the utility model and the disc spring half section structure diagram of joint structure connecting valve.
Figure label are as follows: 1- valve body, 101- connecting flange, 102- cone seal slot, 2- annular sealing gaskets, 201- taper
Slope, 3- valve deck, 4- stud, 5- nut, 6- disc spring.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
Referring to figs. 1 to known to Fig. 3: a kind of valve deck and joint structure connecting valve of good airproof performance, including valve body 1, ring packing
Gasket 2, valve deck 3, stud 4, nut 5 and disc spring 6,1 upper end of valve body are integrally formed with connecting flange 101, the connecting flange
101 upper transverse plane is equipped with cyclic annular cone seal slot 102, is equipped with annular sealing gaskets 2 in the cone seal slot 102,
Valve deck 3 is fixedly connected with by stud 4 above the connecting flange 101, the upper and lower ends of the stud 4 extend through 3 He of valve deck
Connecting flange 101, the upper and lower ends of the stud 4 are respectively by being threaded with nut 5, and two nuts 5 are with valve deck 3 and even
Two disc springs 6 are respectively equipped between acting flange 101, the corresponding overlapping in the side of two 6 indents of disc spring is placed, and two
The disc spring 6 that two overlappings are placed is pressed on valve deck 3 and connecting flange 101 by nut 5 respectively, on the 3 bottom end end face of valve deck
Equipped with cone seal slot 102 corresponding with annular sealing gaskets 2.
The interior outside of 2 upper and lower ends of annular sealing gaskets is respectively equipped with tapered slope 201, the tapered slope 201
It is mutually matched with cone seal slot 102, convenient for sealing and positioning；The disc spring 6 is made of elastic material, inhales convenient for deformation occurs
It receives pressure and releases stress；The stud 4 is equipped with multiple, and multiple studs 4 are uniformly fixed by nut 5 and disc spring 6 respectively
It is connected on valve deck 3 and connecting flange 101, multiple studs 4 are convenient for carrying out valve deck 3 and connecting flange 101 steady reliable solid
It is fixed.
The principles of the present invention and advantage: a kind of valve deck and joint structure connecting valve of good airproof performance first will during installation
Annular sealing gaskets 2 is installed in the cone seal slot 102 on the connecting flange 101 of valve body 1, by valve deck 3 and other components
Be installed on connecting flange 101, and allow 3 bottom end of valve deck cone seal slot 102 and 2 Matching installation of annular sealing gaskets, so
Multiple studs 4 are fixedly connected on valve deck 3 and connecting flange 101 by nut 5 respectively afterwards, and nut 5 is with valve deck 3 and even
Two disc springs 6 of overlapping placement then will be each by the corresponding placement in side of two 6 indents of disc spring respectively between acting flange 101
The nut 5 at 4 both ends of stud is tightened, and the cooperation of two nuts 5 compresses disc spring 6, disc spring 6 can deformation occurs absorption pressure, when stud 4
When high temperature generates stress relaxation, disc spring 6 can resile under the action of elastic force and release stress, to annular sealing gaskets 2
Pressing force compensates, so that so that annular sealing gaskets 2 is constantly in sealing state guarantees sealing effect, the utility model structure
Advantages of simple, easy for installation, sealing effect is good at high temperature, low manufacture cost, is suitble to promote the use of.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (4)
1. the valve deck and joint structure connecting valve of a kind of good airproof performance, including valve body (1), annular sealing gaskets (2), valve deck (3), spiral shell
Column (4), nut (5) and disc spring (6), it is characterised in that: valve body (1) upper end is integrally formed with connecting flange (101), the company
The upper transverse plane of acting flange (101) is equipped with cyclic annular cone seal slot (102), is equipped with ring in the cone seal slot (102)
Shape gasket seal (2) is fixedly connected valve deck (3) above the connecting flange (101) by stud (4), the stud (4) it is upper
Lower both ends extend through valve deck (3) and connecting flange (101), and the upper and lower ends of the stud (4) are respectively by being threaded with spiral shell
Cap (5) is respectively equipped with two disc springs (6) between two nuts (5) and valve deck (3) and connecting flange (101), described in two
The corresponding overlapping in the side of disc spring (6) indent is placed, and two nuts (5) press the disc spring (6) that two overlappings are placed respectively
Tightly on valve deck (3) and connecting flange (101), valve deck (3) the bottom end end face is equipped with corresponding with annular sealing gaskets (2)
Cone seal slot (102).
2. the valve deck and joint structure connecting valve of a kind of good airproof performance according to claim 1, which is characterized in that the annular
The interior outside of gasket seal (2) upper and lower ends is respectively equipped with tapered slope (201), the tapered slope (201) and cone seal
Slot (102) is mutually matched.
3. the valve deck and joint structure connecting valve of a kind of good airproof performance according to claim 1, which is characterized in that the disc spring
(6) it is made of elastic material.
4. the valve deck and joint structure connecting valve of a kind of good airproof performance according to claim 1, which is characterized in that the stud
(4) it is equipped with multiple, multiple studs (4) are uniformly fixedly connected on valve deck (3) and company by nut (5) and disc spring (6) respectively
On acting flange (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821275912.XU CN208565612U (en) | 2018-08-09 | 2018-08-09 | A kind of valve deck and joint structure connecting valve of good airproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821275912.XU CN208565612U (en) | 2018-08-09 | 2018-08-09 | A kind of valve deck and joint structure connecting valve of good airproof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565612U true CN208565612U (en) | 2019-03-01 |
Family
ID=65449969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821275912.XU Active CN208565612U (en) | 2018-08-09 | 2018-08-09 | A kind of valve deck and joint structure connecting valve of good airproof performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565612U (en) |
-
2018
- 2018-08-09 CN CN201821275912.XU patent/CN208565612U/en active Active
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