CN209587146U - A kind of high-temperature high-pressure regulating valve - Google Patents

Abstract

The utility model relates to valve arrangement technical fields, and disclose a kind of high-temperature high-pressure regulating valve, including drive rod, the outside of the drive rod is enclosed with valve deck, outside in the middle part of the valve deck is provided with cooling fin, the top of the cooling fin offers injection hole, the bottom of the drive rod is plugged on the inside of valve rod, bottom in the middle part of the valve deck is welded with guide sleeve, the guide sleeve is plugged in pilot hole, the pilot hole is provided with the central part of valve stem top, and the bottom of the valve rod is fixedly connected with spool, and the outside of the spool is provided with lower valve base.The high-temperature high-pressure regulating valve, by being provided with intercommunicating pore, it can be when spool moves upwards, feeding inlet, which enters through the through-hole on valve seat, will enter the communication means of intermediate valve seat, it is exported again by the intercommunicating pore in communication means from discharge port, the setting of intercommunicating pore can reduce noise when fluid opening and closing, and the card form radiator of setting can radiate faster, to extend the service life of valve.

Description

A kind of high-temperature high-pressure regulating valve

Technical field

The utility model relates to valve arrangement technical field, specially a kind of high-temperature high-pressure regulating valve.

Background technique

Regulating valve is mainly made of valve body, valve seat, spool, valve deck and sealing element and installation part, in valve body import and outlet Between labyrinth type guiding device is set, to reduce cavitation erosion, High Pressure Difference can be born, but high-temperature high-pressure regulating valve can be produced when adjusting Raw biggish noise, and be essentially all directly to be attached in the junction of drive rod and valve deck, such connection type will All pressure has all been placed on the valve internal of bottom, once inside occurs sealing not close or damaged, material is readily volatilized The space outside valve body is influenced out, and generates frictional force between the rotation and adjusting meeting and valve deck of drive rod, to generate Larger heat influences the service life of valve body, be essentially all in internal junction it is direct-connected, this connection type may be led The deflection of inner spool is caused, to influence internal stability.

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 high-temperature high-pressure regulating valve, solves above-mentioned background skill The problem of being proposed in art.

(2) technical solution

To realize that above-mentioned regulating valve is easy to use and purpose with long service life, the utility model provide following technical side Case: a kind of high-temperature high-pressure regulating valve, including drive rod, the outside of the drive rod are enclosed with valve deck, outer in the middle part of the valve deck Portion is provided with cooling fin, and the top of the cooling fin offers injection hole, and the bottom of the drive rod is plugged on the inside of valve rod, Bottom in the middle part of the valve deck is welded with guide sleeve, and the guide sleeve is plugged in pilot hole, and the pilot hole is provided with valve rod The central part at top, the pilot hole are provided on guiding parts, and the bottom of the valve rod is fixedly connected with spool, the spool Outside be provided with lower valve base, the top of the lower valve base is connected with intermediate valve seat by positioning step, the intermediate valve seat Top is connected with upper valve base by positioning step, and the bottom of the valve deck is fixedly connected with valve body, the two sides difference of the valve body Discharge port and feeding inlet are offered, one end of the feeding inlet is connected to the lower part of spool.

Preferably, the inside of the intermediate valve seat offers pressure compensation opening, and the outer surface of the stem lower portion is provided with Communication means, the communication means are located on the lower half portion of intermediate valve base inner wall, offer intercommunicating pore in the communication means.

Preferably, the valve deck is fixedly connected with the valve body by bolt, and one end of the discharge port extends to intermediate valve seat Side.

Preferably, the drive rod and valve upper part of the cover junction are provided with airtight and watertight padding.

Preferably, the airtight and watertight padding is carbon fiber and graphite.

Preferably, there are two guide surface, the guide part cooperations of the guide sleeve and valve rod for the guide sleeve tool.

Preferably, the hardness of the lower valve base is greater than intermediate valve seat, and the hardness of the intermediate valve seat is greater than the hard of upper valve base Degree.

Preferably, guide support portion is provided on the inside of the pressure compensation opening, the guide support portion is located at intermediate valve The top of seat inner wall.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of high-temperature high-pressure regulating valve, have it is following the utility model has the advantages that

1, the high-temperature high-pressure regulating valve can be when spool moves upwards by being provided with intercommunicating pore, and feeding inlet enters The communication means of intermediate valve seat will be entered by the through-hole on valve seat, then by the intercommunicating pore in communication means from discharge port Export, the setting of intercommunicating pore can reduce noise when fluid opening and closing, and the card form radiator of setting can radiate faster, from And extend the service life of valve.

2, the high-temperature high-pressure regulating valve was in originally when being connected to intracavitary by entering provided with pressure compensation opening material 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, while passing through close-fitting between positioning step positioning simultaneously between three sections of valve seats being arranged It closes and realizes fixation, wherein the hardness requirement highest of lower valve base, therefore the hardness of lower valve base is greater than the hardness of intermediate valve seat, intermediate valve The hardness of seat is greater than the hardness of upper valve base so that it is convenient to frequently be opened and closed cooperation with spool, and the service life is long, high reliablity.

3, the high-temperature high-pressure regulating valve is conveniently torn open by the connector outside provided with bolt, capable of installing in maintenance It unloads and lifts.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model guide sleeve the schematic diagram of the section structure；

Fig. 3 is the utility model guide sleeve overlooking structure diagram；

Fig. 4 is the utility model guide part side cross sectional views；

Fig. 5 is the utility model valve rod semi-section schematic diagram.

In figure: 1 drive rod, 2 valve decks, 3 cooling fins, 4 injection holes, 5 valve rods, 6 guide sleeves, 7 pilot holes, 8 spools, 9 lower valves Seat, 10 intermediate valve seats, 11 upper valve bases, 12 valve bodies, 13 discharge ports, 14 feeding inlets, 15 pressure compensation openings, 16 communication means, 17 connect Through-hole, 18 airtight and watertight paddings, 19 bolts, 20 guide support portions, 21 guiding parts.

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 to Fig. 5 is please referred to, the utility model provides a kind of technical solution: a kind of high-temperature high-pressure regulating valve, including driving Bar 1, the outside of drive rod 1 are enclosed with valve deck 2, and the outside at 2 middle part of valve deck is provided with cooling fin 3, and the top of cooling fin 3 offers Injection hole 4, the bottom of drive rod 1 are plugged on the inside of valve rod 5, and the bottom at 2 middle part of valve deck is welded with guide sleeve 6, the guiding It is provided with pilot hole (7) on set (6), is provided with the guide part being inserted into the pilot hole, pilot hole at the top of the valve rod (5) 7 are provided on the guiding parts 21 of guide sleeve 6, and the bottom of valve rod 5 is fixedly connected with spool 8, and the outside of spool 8 is provided with lower valve The top of seat 9, lower valve base 9 is connected with intermediate valve seat 10 by positioning step, and the top of intermediate valve seat 10 is connected by positioning step It is connected to upper valve base 11, the bottom of valve deck 2 is fixedly connected with valve body 12, and the two sides of valve body 12 offer discharge port 13 and pan feeding respectively Mouth 14, one end of feeding inlet 14 is connected to the lower part of spool 8, and the inside of intermediate valve seat 10 offers pressure compensation opening 15, valve rod 5 The outer surface of lower part is provided with communication means 16, and communication means 16 are located on the lower half portion of intermediate 10 inner wall of valve seat, interconnecting part Offer intercommunicating pore 17 on part 16, valve deck 2 is fixedly connected by bolt 19 with valve body 12, during one end of discharge port 13 extends to Between valve seat 10 side, the junction on drive rod 1 and 2 top of valve deck is provided with airtight and watertight padding 18, and airtight and watertight padding 18 is carbon fiber And graphite, there are two guide surface, guide sleeve 6 engages the tool of guide sleeve 6 with valve rod 5, and the hardness of lower valve base 9 is greater than intermediate valve seat 10, the hardness of intermediate valve seat 10 is greater than the hardness of upper valve base 11, and the inside of pressure compensation opening 15 is provided with guide support portion 21, leads It is located at the top of intermediate 10 inner wall of valve seat to support portion 21, the quantity of bolt 19 is two, and bolt 19 is with the vertical symmetrical of valve rod 5 Line is symmetrical, and feeding inlet 14 enters the inner cavity of intermediate valve seat 10 after passing through lower valve base 9, then most from the outflow of intercommunicating pore 17 It is flowed out eventually from discharge port 13, guide support portion 20 plays a part of to be oriented to and support to the movement of valve rod 5.

The utility model includes outwardly and inwardly two parts, is 12 two parts of valve deck 2 and valve body wherein external, and two Part is closely connected by bolt 19, is made of in external be internally provided with upper valve base 11, intermediate valve seat 10 and lower valve base 9 Internal structure, wherein internal structure plays the role of adjusting, external structure plays sealing, and internal and outer The junction in portion is provided with airtight and watertight padding 18 and avoids internal leakage, is provided with 17 adjustable pressure drops of pressure compensation opening 15 and intercommunicating pore Low noise, so that by subtle change, the preferable effect reached has stronger practicability.

In conclusion the high-temperature high-pressure regulating valve, by be provided with intercommunicating pore 17 can when spool 8 moves upwards, Feeding inlet 14, which enters through the through-hole on valve seat, will enter the communication means 16 of intermediate valve seat 10, then pass through communication means 16 On intercommunicating pore 17 from discharge port 13 export, the setting of intercommunicating pore 17 can reduce fluid be opened and closed when noise, the card of setting Formula cooling fin 3 can radiate faster, to extend the service life of valve, cross and enter provided with 15 material of pressure compensation opening When in intercommunicating pore 17, it can be originally upwardly into from pressure compensation opening 15 in upper valve base 11 and discharge port 13 in gas, It to achieve the purpose that balance pressure, avoids pressure excessive, also facilitates material smooth outflow, while between three sections of valve seats being arranged It is realized and is fixed by tight fit between positioning step positioning simultaneously, wherein the hardness requirement highest of lower valve base 9, therefore lower valve base 9 Hardness is greater than the hardness of intermediate valve seat 10, and the hardness of intermediate valve seat 10 is greater than the hardness of upper valve base 11 so that it is convenient to spool 8 Frequently opening and closing cooperation, the service life is long, high reliablity, crosses and is provided with bolt 19, can connector in maintenance outside installation it is convenient Disassembly and lifting.

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 high-temperature high-pressure regulating valve, including drive rod (1), it is characterised in that: the outside of the drive rod (1) is enclosed with valve It covers (2), the outside in the middle part of the valve deck (2) is provided with cooling fin (3), and the top of the cooling fin (3) offers injection hole (4), the bottom of the drive rod (1) is plugged on the inside of valve rod (5), and the bottom in the middle part of the valve deck (2) is welded with guide sleeve (6), it is provided with pilot hole (7) on the guide sleeve (6), is provided with and is inserted into the pilot hole (7) at the top of the valve rod (5) Guide part, the bottom of the valve rod (5) is fixedly connected with spool (8), and the outside of the spool (8) is provided with lower valve base (9), The top of the lower valve base (9) is connected with intermediate valve seat (10) by positioning step, is passed through at the top of the intermediate valve seat (10) Positioning step is connected with upper valve base (11), and the bottom of the valve deck (2) is fixedly connected with valve body (12), and the two of the valve body (12) Side offers discharge port (13) and feeding inlet (14) respectively, and one end of the feeding inlet (14) is connected to the lower part of spool (8).

2. a kind of high-temperature high-pressure regulating valve according to claim 1, it is characterised in that: the inside of the intermediate valve seat (10) It offers pressure compensation opening (15), the outer surface of valve rod (5) lower part is provided with communication means (16), the communication means (16) on the lower half portion of intermediate valve seat (10) inner wall, intercommunicating pore (17) are offered on the communication means (16).

3. a kind of high-temperature high-pressure regulating valve according to claim 2, it is characterised in that: the valve deck (2) passes through bolt (19) it is fixedly connected with valve body (12), one end of the discharge port (13) extends to the side of intermediate valve seat (10).

4. a kind of high-temperature high-pressure regulating valve according to claim 3, it is characterised in that: the drive rod (1) and valve deck (2) The junction on top is provided with airtight and watertight padding (18).

5. a kind of high-temperature high-pressure regulating valve according to claim 4, it is characterised in that: the airtight and watertight padding (18) is carbon fiber Peacekeeping graphite.

6. a kind of high-temperature high-pressure regulating valve according to claim 5, it is characterised in that: there are two guide sleeve (6) tools Guide surface, the guide part cooperation of the guide sleeve (6) and valve rod (5).

7. a kind of high-temperature high-pressure regulating valve according to claim 6, it is characterised in that: the hardness of the lower valve base (9) is big In intermediate valve seat (10), the hardness of the intermediate valve seat (10) is greater than the hardness of upper valve base (11).

8. a kind of high-temperature high-pressure regulating valve according to claim 6, it is characterised in that: the pressure compensation opening (15) it is interior Side is provided with guide support portion (21), and the guide support portion (21) is located at the top of intermediate valve seat (10) inner wall.