CN218718878U

CN218718878U - High pressure and high temperature resistant sheet type valve

Info

Publication number: CN218718878U
Application number: CN202223085901.4U
Authority: CN
Inventors: 田学升; 陈学芳; 张晓旭
Original assignee: Cangzhou Changtai Stainless Steel Products Co ltd
Current assignee: Cangzhou Changtai Stainless Steel Products Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-24
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a high pressure and high temperature resistant chip valve belongs to chip valve technical field, which comprises a valve seat, disk seat inside wall threaded connection has the valve rod, the valve block is installed to the valve rod lower part, sealing mechanism is all installed to disk seat inside wall front end one side and rear end opposite side, sealing mechanism has two sets ofly, sealing mechanism includes rubber strip, activity metal arc strip, second spring, fixed metal arc strip, slide bar, slide opening and end piece, two end pieces fixed mounting are respectively at disk seat inside wall front end one side and rear end opposite side, power unit is installed at the valve rod top, the utility model discloses high pressure and high temperature resistant chip valve adopts the power unit that can accurate adjustment valve block opening angle to drive the valve rod and rotates, can open fixed angle with the valve block accuracy as required, and installs the sealing mechanism who has certain elasticity surplus, and when pressure was too big, the rubber strip was pushed open to the accessible valve block moderate degree and the pressure release is carried out to activity metal arc piece.

Description

High pressure and high temperature resistant sheet type valve

Technical Field

The utility model relates to a piece formula valve field specifically is a piece formula valve of high pressure and high temperature resistance.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). The method is divided into the following steps according to the structural characteristics: 1. a gate-truncated shape: the closing member moves along the center of the valve seat; such as a shut-off valve; 2. a cock and a ball: the closure member is a plunger or ball that rotates about its centerline; such as plug valves, ball valves; 3. a gate shape: the closing member moves along the center of the vertical valve seat; such as gate valve, gate, etc., 4, swing shape: the closure member rotates about an axis outside the valve seat; such as swing check valves, etc., 5, butterfly: a disc of the closure member rotating about an axis within the valve seat; such as butterfly valves, butterfly check valves, etc.; 6. a slide valve shape: the shutter slides in a direction perpendicular to the passage; the high-temperature air valve is a special high-temperature ventilation butterfly valve for equipment such as a regenerative incinerator, a stepping furnace, an aluminum melting furnace and the like, the valve mainly comprises an actuator, a valve body, a valve rod, a heat insulation material and a valve plate, the valve plate is integrally cast and molded by adopting high-temperature-resistant alloy, and a 310S high-temperature-resistant stainless steel shaft is adopted as a connecting shaft.

The existing high-temperature resistant sheet valve has the following defects: 1. the existing high-temperature-resistant chip valve can be opened and closed by manually rotating a hand wheel by a person or driving a valve rod to rotate and open and close by a motor, and the valve plate cannot be accurately opened to a fixed angle in any mode; 2. the existing high-temperature resistant sheet type valve is generally sealed by a rubber strip or a hard metal sealing ring, is not high-pressure resistant, cannot be properly decompressed under high pressure, and is easy to explode due to high temperature and high pressure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure and high temperature resistant chip valve, the utility model discloses but high pressure and high temperature resistant chip valve adopts the power unit that can accurate adjustment valve block opening angle to drive the valve rod and rotates, can open fixed angle with the valve block accuracy according to the demand, and installs the sealing mechanism who has certain elasticity surplus, and when pressure was too big, the rubber strip was crowded to the accessible valve block moderate degree and the pressure release is carried out to the movable metal arc piece to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high pressure and high temperature resistant chip type valve, includes the disk seat, disk seat inside wall threaded connection has the valve rod, the valve block is installed to the valve rod lower part, sealing mechanism is all installed to disk seat inside wall front end one side and rear end opposite side, sealing mechanism has two sets ofly, sealing mechanism includes rubber strip, activity metal arc strip, second spring, fixed metal arc strip, slide bar, slide opening and end piece, two end pieces are fixed mounting respectively in disk seat inside wall front end one side and rear end opposite side, power unit is installed at the valve rod top, power unit includes mounting bracket, first spring, hand wheel, gear, rack, electric telescopic handle, slide rail and draw runner, the mounting bracket is installed to the disk seat lateral wall.

As a further aspect of the present invention: the fixed metal arc strip is provided with a sliding hole in the middle, the inner side wall of the sliding hole is connected with a sliding rod in a sliding mode, and an end piece is installed at the end portion of one end of the sliding rod.

As a further aspect of the present invention: the movable metal arc strip is installed at the end part of the other end of the sliding rod, the back of the movable metal arc strip is connected with the fixed metal arc strip through a plurality of second springs, and the rubber strip is installed on the front face of the movable metal arc strip.

As a further aspect of the present invention: the gear is installed on valve rod upper portion, the hand wheel is installed at the valve rod top, the gear lateral wall meshing is connected with the rack, electric telescopic handle is installed to rack one end, electric telescopic handle installs in mounting bracket upper portion one end.

As a further aspect of the present invention: the rack other end passes through first spring mounting at the mounting bracket upper portion other end, the draw runner is installed to the rack bottom, draw runner lower part sliding connection is at the slide rail inside wall, the slide rail is installed at the disk seat top.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses but high pressure and high temperature resistant chip valve adopts the power unit that can accurate adjustment valve block opening angle to drive the valve rod and rotates, can open fixed angle with the valve block accuracy according to the demand, solves the problem that current high temperature resistant chip valve can not be accurate open fixed angle with the valve block.

2. The utility model discloses the sealing mechanism who has certain elasticity surplus is installed to high pressure and high temperature resistant piece formula valve, and when pressure was too big, the rubber strip was crowded to open by the accessible valve block moderate degree and the pressure release is carried out to activity metal arc piece, solves current high temperature resistant piece formula valve and is not high pressure resistant, and when high pressure, unable appropriate pressure release caused the problem of explosion because of high temperature high pressure easily.

Drawings

Fig. 1 is a schematic structural diagram of a high pressure and high temperature resistant plate valve according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a high-pressure and high-temperature resistant plate valve according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure view of a high pressure and high temperature resistant plate valve according to an embodiment of the present invention;

fig. 4 is a schematic view of the structure at a in fig. 3.

In the figure: 1. a power mechanism; 101. a mounting frame; 102. a first spring; 103. a hand wheel; 104. a gear; 105. a rack; 106. an electric telescopic rod; 107. a slide rail; 108. a slide bar; 2. a sealing mechanism; 201. a rubber strip; 202. a movable metal arc strip; 203. a second spring; 204. fixing the metal arc strip; 205. a slide bar; 206. a slide hole; 207. an end piece; 3. a valve seat; 4. a valve stem; 5. and a valve plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.

In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "connected," "communicating," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a connection through an intervening medium, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Please refer to fig. 1-4, in the embodiment of the utility model, a high pressure and high temperature resistant chip valve, including

disk seat

3, 3 inside wall threaded connection of disk seat has valve rod 4, valve block 5 is installed to valve rod 4 lower part, sealing mechanism 2 is all installed to 3 inside wall front end one sides of disk seat and rear end opposite side, sealing mechanism 2 has two sets ofly, sealing mechanism 2 includes rubber strip 201, movable metal arc 202, second spring 203, fixed metal arc 204, slide bar 205, slide hole 206 and end piece 207, two end pieces 207 are fixed mounting respectively in 3 inside wall front end one sides of disk seat and rear end opposite side, power unit 1 is installed at valve rod 4 top, power unit 1 includes mounting bracket 101, first spring 102, hand wheel 103, gear 104, rack 105, electric telescopic handle 106, slide rail 107 and slide bar 108, mounting bracket 101 is installed to 3 lateral walls of disk seat, the utility model discloses high pressure and high temperature resistant chip valve adopts power unit 1 that can accurately adjust valve block 5 opening angle to drive valve rod 4 to rotate, can accurately open fixed angle with valve block 5 as required, and install sealing mechanism 2 that has certain elasticity allowance, when pressure is too big, accessible 5 movable metal arc 201 and moderate degree extrusion metal strip 201.

A sliding hole 206 is formed in the middle of the fixed metal arc strip 204, a sliding rod 205 is connected to the inner side wall of the sliding hole 206 in a sliding mode, an end piece 207 is installed at one end of the sliding rod 205, when the pressure is too large, the valve plate 5 slightly rotates under the excessive pressure, the rubber strip 201 and the movable metal arc strip 202 are extruded together, and the sliding rod 205 on the back of the rubber strip slides on the inner side wall of the sliding hole 206 of the fixed metal arc strip to play a role in guiding; a movable metal arc strip 202 is arranged at the end part of the other end of the sliding rod 205, the back of the movable metal arc strip 202 is connected with a fixed metal arc strip 204 through a plurality of second springs 203, the rubber strip 201 is arranged on the front surface of the movable metal arc strip 202, when the pressure is overlarge, the second springs 203 are compressed and shortened, the pressure can be released from the gap, and when the pressure is recovered, the second springs 203 rebound and reset to reset the rubber strip 201 and the movable metal arc sheet, and the sealing is continued; a gear 104 is mounted on the upper portion of the valve rod 4, a hand wheel 103 is mounted on the top of the valve rod 4, a rack 105 is connected to the outer side wall of the gear 104 in a meshed mode, an electric telescopic rod 106 is mounted at one end of the rack 105, the electric telescopic rod 106 is mounted at one end of the upper portion of the mounting frame 101, and the valve can be opened and closed manually through the hand wheel 103; the other end of the rack 105 is installed at the other end of the upper portion of the installation frame 101 through the first spring 102, the slide bar 108 is installed at the bottom of the rack 105, the lower portion of the slide bar 108 is connected to the inner side wall of the slide rail 107 in a sliding mode, the slide rail 107 is installed at the top of the valve seat 3, and the slide bar 108 can slide in the slide rail 107 to ensure that the rack 105 can translate stably.

The utility model discloses a theory of operation is: the utility model discloses but high pressure and high temperature resistant chip valve adopts accurate adjustment valve block 5 opening angle's power unit 1 to drive valve rod 4 and rotates, can open fixed angle with valve block 5 accuracy according to the demand, when needs open the valve to certain angle, external power supply, extend certain length through external on-off control electric telescopic handle 106, electric telescopic handle 106 promotes rack 105 and translates left, because the draw runner 108 sliding connection of rack 105 bottom is at slide rail 107 inside wall, draw runner 108 slides in slide rail 107 and can ensure rack 105 steady translation, because rack 105 lateral wall meshing is connected with gear 104, stop behind the certain angle of gear 104 clockwise rotation, valve rod 4 and valve block 5 also stop behind the certain angle of accurate clockwise rotation thereupon, and install sealing mechanism 2 that has certain elasticity surplus, when pressure is too big, accessible valve block 5 moderate degree is crowded rubber strip 201 and movable metal arc piece and is carried out the pressure release, when too big pressure makes valve block 5 rotate a little, rubber strip 201 and movable metal arc piece 202 are together extruded, 205 is in the slide hole 206 of fixed metal arc piece through its back, the second slide pressure recovery spring 203, the second is located to slide from the pressure and is recovered when the second pressure, the second spring that the reset spring is recovered from the metal arc piece, the spring, it recovers the recovery to resume the back pressure.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high pressure and high temperature resistant piece formula valve which characterized in that: the improved valve seat comprises a valve seat body, disk seat inside wall threaded connection has the valve rod, the valve block is installed to the valve rod lower part, sealing mechanism is all installed to disk seat inside wall front end one side and rear end opposite side, sealing mechanism has two sets ofly, sealing mechanism includes rubber strip, activity metal arc strip, second spring, fixed metal arc strip, slide bar, slide opening and end piece, two end pieces are fixed mounting respectively in disk seat inside wall front end one side and rear end opposite side, power unit is installed at the valve rod top, power unit includes mounting bracket, first spring, hand wheel, gear, rack, electric telescopic handle, slide rail and draw runner, the mounting bracket is installed to the disk seat lateral wall.

2. The high pressure and high temperature resistant plate valve of claim 1, wherein: the fixed metal arc strip is provided with a sliding hole in the middle, the inner side wall of the sliding hole is connected with a sliding rod in a sliding mode, and an end piece is installed at the end portion of one end of the sliding rod.

3. The high pressure and high temperature resistant plate valve of claim 1, wherein: the movable metal arc strip is installed at the end part of the other end of the sliding rod, the back of the movable metal arc strip is connected with the fixed metal arc strip through a plurality of second springs, and the rubber strip is installed on the front face of the movable metal arc strip.

4. The high pressure and high temperature resistant plate valve of claim 1, wherein: the gear is installed on valve rod upper portion, the hand wheel is installed at the valve rod top, the gear lateral wall meshing is connected with the rack, electric telescopic handle is installed to rack one end, electric telescopic handle installs in mounting bracket upper portion one end.

5. The high pressure and high temperature resistant plate valve of claim 1, wherein: the rack other end passes through first spring mounting at the mounting bracket upper portion other end, the draw runner is installed to the rack bottom, draw runner lower part sliding connection is at the slide rail inside wall, the slide rail is installed at the disk seat top.