CN209212991U - A kind of seal assembly of high temperature adjustable valve - Google Patents
A kind of seal assembly of high temperature adjustable valve Download PDFInfo
- Publication number
- CN209212991U CN209212991U CN201822041444.6U CN201822041444U CN209212991U CN 209212991 U CN209212991 U CN 209212991U CN 201822041444 U CN201822041444 U CN 201822041444U CN 209212991 U CN209212991 U CN 209212991U
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- China
- Prior art keywords
- valve
- hole
- high temperature
- temperature adjustable
- seal assembly
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- 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
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Abstract
The utility model relates to high temperature adjustable valve fields, and disclose a kind of seal assembly of high temperature adjustable valve, which can effectively seal the channel between high temperature adjustable valve feed inlet and discharge port, the stability adjusted conducive to whole system high temperature.Its structure includes valve body, the valve body is respectively arranged on the left side and the right side discharge port and feed inlet, vertical channel is equipped between discharge port and feed inlet, it is characterized by: being sequentially installed with lower valve base from lower to upper in the channel, intermediate valve seat and upper valve base, the lower valve base, intermediate valve seat and upper valve base center are respectively equipped with vertical through-hole, through-hole is up and down, valve rod is from top to bottom plugged in through-hole, the valve rod lower end is equipped with spool, upper end is embedded with connection blind hole downwards, connection blind hole is connected with the drive rod of top, it is easy to operate, it is easy to use, suitable for a variety of places.
Description
Technical field
The utility model relates to high temperature adjustable valve field, specially a kind of seal assembly of high temperature adjustable valve.
Background technique
The cutting difficulty of high temperature adjusting and the problem that control is in self-control implementation, high temperature and superhigh temperature is bigger.This problem
Main performance be high-temperature expansion generate card resistance and cutting problem.Therefore, high temperature and superhigh temperature control are always domestic other factory
The emphasis of family and designing institute's concern.
Currently, high temperature adjustable valve is very important regulating member in high temperature controlling system, its quality is directly influenced
The stability that whole system high temperature is adjusted.In high temperature adjustable valve, the sealing between inlet port and outlet port how is effectively realized,
It is current urgent problem to be solved.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of seal assembly of high temperature adjustable valve, the sealing group
Part can effectively seal the channel between high temperature adjustable valve feed inlet and discharge port, adjust conducive to whole system high temperature
Stability.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions:
A kind of seal assembly of high temperature adjustable valve, structure include valve body, and the valve body is respectively arranged on the left side and the right side out
Material mouth and feed inlet are equipped with vertical channel, it is characterised in that: in the channel from lower to upper between discharge port and feed inlet
It is sequentially installed with lower valve base, intermediate valve seat and upper valve base, the lower valve base, intermediate valve seat and upper valve base center are set respectively
There is vertical through-hole, through-hole up and down, is from top to bottom plugged with valve rod in through-hole, the valve rod lower end is equipped with spool,
Upper end is embedded with connection blind hole downwards, and connection blind hole is connected with the drive rod of top;
The through-hole diameter of the intermediate valve seat is greater than the diameter of valve rod, and is formed between through-hole and valve rod and be connected to chamber,
Array distribution has several intercommunicating pores on the connection chamber side wall;Intermediate valve seat above the connection chamber is flat equipped with pressure
Weighing apparatus hole, the pressure compensation opening includes vertical through holes, and middle position is connected with cross through hole on the outside of the vertical through holes;
The cross section of the valve rod is in rectangle, and two long sides are parallel to each other to form guide surface, and two short sides are in respectively
The arcuate structure of evagination forms curved guiding surface.
Preferably, the channel side wall is equipped with the boss matched with upper valve base and lower valve base.
Preferably, the through-hole at the lower valve base center is in the horn-like of under shed.
Preferably, the through-hole at the upper valve base center and the through-hole for being greater than intermediate valve seat center.
Preferably, the through-hole at the intermediate valve seat center is bonded with stem exterior surface, forms pilot hole.
Preferably, the intermediate bottom surface of valve seat is embedded with the first groove upwards, and the lower valve base upper surface is equipped with and the
First protrusion of one groove cooperation.
Preferably, the intermediate valve seat upper surface is embedded with downwards the second groove, the upper valve base lower surface be equipped with
Second protrusion of the second groove cooperation.
Preferably, the upper valve base upper surface is additionally provided with screw hole.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of seal assembly of high temperature adjustable valve, has following beneficial
Effect:
1. the utility model, can by the structure setting of drive rod, valve rod, spool, upper valve base, intermediate valve seat and lower valve base
Effectively to play effective sealing function to the channel between high temperature adjustable valve inlet port and outlet port, it is conducive to guarantee whole system
The stability of operation.
2. the utility model is by the setting of intercommunicating pore, when spool moves upwards, feed inlet is entered through on valve seat
Through-hole will enter the connection chamber of intermediate valve seat, then export intercommunicating pore from discharge port by the intercommunicating pore on connection chamber, can be with
Reduce noise when fluid opening and closing.
3. the utility model is by the setting of pressure compensation opening so that material enter connection it is intracavitary when, gas can be from
It is upwardly into upper valve base and discharge port in pressure compensation opening, to achieve the purpose that balance pressure, avoids pressure excessive,
Facilitate material smooth outflow, conducive to the stability of total system operation.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the utility model;
Fig. 2 is the enlarged structure schematic diagram of valve rod and the cooperation of three decks in Fig. 1;
Fig. 3 is the enlarged structure schematic diagram of valve rod in Fig. 2;
Fig. 4 is cross-sectional view of the Fig. 3 at A-A;
Fig. 5 is the enlarged structure schematic diagram in Fig. 2 at A.
It is indicated in figure: 1. drive rods;2. valve rod;20. connecting blind hole;21. spool;22. guide surface;23. curved guiding surface;
3. feed inlet;4. channel;5. lower valve base;6 connection chambers;61. intercommunicating pore;7. intermediate valve seat;8. discharge port;9. valve body;10. pressure
Balance hole;11. upper valve base;111. screw hole;12. pilot hole.
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.
As shown in Figures 1 to 5, a kind of seal assembly of high temperature adjustable valve, structure include valve body 9 (WCB carbon steel material),
The valve body 9 is respectively arranged on the left side and the right side discharge port 8 and feed inlet 3, and vertical lead to is equipped between discharge port 8 and feed inlet 3
Road 4 is sequentially installed with lower valve base 5 (WCB carbon steel material), 7 (WCB carbon steel material of intermediate valve seat in the channel 4 from lower to upper
Matter) and upper valve base 11 (WCB carbon steel material), the lower valve base 5, intermediate valve seat 7 and 11 center of upper valve base are respectively equipped with
Vertical through-hole, through-hole are from top to bottom plugged with valve rod 2 (WCB carbon steel material) up and down, in through-hole, under the valve rod 2
End is equipped with spool 21, and upper end is embedded with connection blind hole 20 downwards, connects (the WCB carbon steel material of drive rod 1 of blind hole 20 and top
Matter) it is connected.The utility model, can by the structure setting of drive rod, valve rod, spool, upper valve base, intermediate valve seat and lower valve base
Effectively to play effective sealing function to the channel between high temperature adjustable valve inlet port and outlet port, it is conducive to guarantee whole system
The stability of operation.
In above-described embodiment, specifically, the through-hole diameter of the intermediate valve seat 7 is greater than the diameter of valve rod 2, and in through-hole
It is formed between valve rod 2 and is connected to chamber 6, array distribution has several intercommunicating pores 61 on 6 side wall of connection chamber.The connection chamber
The intermediate valve seat 7 of 6 tops is equipped with pressure compensation opening 10, and the pressure compensation opening 10 includes vertical through holes, and described is vertical
Middle position is connected with cross through hole on the outside of through-hole.When spool moves upwards, feed inlet enters through the through-hole on valve seat
Will enter intermediate valve seat connection chamber pass through the setting of intercommunicating pore from discharge port export intercommunicating pore on connection chamber again can be with
Reduce noise when fluid opening and closing.The utility model by the setting of pressure compensation opening so that material enter connection it is intracavitary when,
Gas can be upwardly into upper valve base and discharge port from pressure compensation opening, to achieve the purpose that balance pressure, be avoided
Pressure is excessive, also facilitates material smooth outflow, conducive to the stability of total system operation.
In above-described embodiment, specifically, the cross section of the valve rod 2 is in rectangle, two long sides, which are parallel to each other to be formed, to be led
To plane 22, two short sides are convexly curved structure respectively, form curved guiding surface 23.It can prevent valve rod from occurring because of torsional forces
Deflection, conducive to the stability of operation.
In above-described embodiment, more specifically, 4 side wall of channel is equipped with and matches with upper valve base 11 and lower valve base 5
Boss.Convenient for the holding installation of two valve seats.
In above-described embodiment, more specifically, the through-hole at 5 center of lower valve base is in the horn-like of under shed.
In above-described embodiment, more specifically, the through-hole at 11 center of upper valve base is greater than the logical of intermediate 7 center of valve seat
Hole.
In above-described embodiment, more specifically, the through-hole at 7 center of intermediate valve seat is bonded with 2 outer surface of valve rod, shape
At pilot hole 12.Conducive to sliding up and down for valve rod.
In above-described embodiment, more specifically, 7 bottom surface of intermediate valve seat is embedded with the first groove upwards, under described
5 upper surface of valve seat is equipped with the first protrusion cooperated with the first groove.It is installed conducive to the holding of intermediate valve seat and lower valve base.
In above-described embodiment, more specifically, 7 upper surface of intermediate valve seat is embedded with downwards the second groove, described
11 lower surface of upper valve base is equipped with the second protrusion cooperated with the second groove.It is installed conducive to the holding of upper valve base and lower valve base.
In above-described embodiment, more specifically, 11 upper surface of upper valve base is additionally provided with screw hole 111.It is hung for installing
Tool, facilitates the installation of valve seat.
A kind of seal assembly of high temperature adjustable valve of the utility model passes through the cooperation of groove and protrusion between three sections of valve seats
Positioning step is formed, can mutually position and tight fit realizes fixation between each other, wherein the hardness requirement of lower valve base is most
Height, the hardness of lower valve base are greater than the hardness of intermediate valve seat, and the hardness of intermediate valve seat is greater than the hardness of upper valve base, this kind of structure is set
It sets, it is convenient to be frequently opened and closed cooperation with spool, conducive to prolonging the service life, improve reliability of operation.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of seal assembly of high temperature adjustable valve, structure includes valve body (9), is set respectively at left and right sides of the valve body (9)
There are discharge port (8) and feed inlet (3), vertical channel (4) be equipped between discharge port (8) and feed inlet (3), it is characterised in that:
Lower valve base (5), intermediate valve seat (7) and upper valve base (11), the lower valve are sequentially installed in the channel (4) from lower to upper
Seat (5), intermediate valve seat (7) and upper valve base (11) center are respectively equipped with vertical through-hole, through-hole up and down, in through-hole by
Valve rod (2) are plugged under above, the valve rod (2) lower end is equipped with spool (21), and upper end is embedded with connection blind hole downwards
(20), connection blind hole (20) is connected with the drive rod (1) of top;
The through-hole diameter of the intermediate valve seat (7) is greater than the diameter of valve rod (2), and the company of being formed between through-hole and valve rod (2)
Cavity (6), array distribution has several intercommunicating pores (61) on described connection chamber (6) side wall;In above the connection chamber (6)
Between valve seat (7) be equipped with pressure compensation opening (10), the pressure compensation opening (10) includes vertical through holes, the vertical through holes
Outside middle position is connected with cross through hole;
The cross section of the valve rod (2) is in rectangle, and two long sides are parallel to each other to be formed guide surface (22), two short side difference
It is convexly curved structure, is formed curved guiding surface (23).
2. a kind of seal assembly of high temperature adjustable valve according to claim 1, it is characterised in that: described channel (4) side
Wall is equipped with the boss matched with upper valve base (11) and lower valve base (5).
3. a kind of seal assembly of high temperature adjustable valve according to claim 1, it is characterised in that: the lower valve base (5)
The through-hole at center is horn-like under shed.
4. a kind of seal assembly of high temperature adjustable valve according to claim 1, it is characterised in that: the upper valve base (11)
The through-hole at center is greater than the through-hole at intermediate valve seat (7) center.
5. a kind of seal assembly of high temperature adjustable valve according to claim 1, it is characterised in that: the intermediate valve seat
(7) through-hole with valve rod (2) outer surface at center is bonded, and is formed pilot hole (12).
6. a kind of seal assembly of high temperature adjustable valve according to claim 1, it is characterised in that: the intermediate valve seat
(7) bottom surface is embedded with the first groove upwards, and the lower valve base (5) upper surface is equipped with the first protrusion cooperated with the first groove.
7. a kind of seal assembly of high temperature adjustable valve according to claim 1, it is characterised in that: the intermediate valve seat
(7) upper surface is embedded with downwards the second groove, and the upper valve base (11) lower surface is equipped with the second protrusion cooperated with the second groove.
8. a kind of seal assembly of high temperature adjustable valve according to claim 1, it is characterised in that: the upper valve base (11)
Upper surface is additionally provided with screw hole (111).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822041444.6U CN209212991U (en) | 2018-12-06 | 2018-12-06 | A kind of seal assembly of high temperature adjustable valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822041444.6U CN209212991U (en) | 2018-12-06 | 2018-12-06 | A kind of seal assembly of high temperature adjustable valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209212991U true CN209212991U (en) | 2019-08-06 |
Family
ID=67463265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201822041444.6U Expired - Fee Related CN209212991U (en) | 2018-12-06 | 2018-12-06 | A kind of seal assembly of high temperature adjustable valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209212991U (en) |
-
2018
- 2018-12-06 CN CN201822041444.6U patent/CN209212991U/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: 20190806 Termination date: 20211206 |