CN112923119A - Valve rod upper seat with built-in multidirectional buffer mechanism - Google Patents
Valve rod upper seat with built-in multidirectional buffer mechanism Download PDFInfo
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- CN112923119A CN112923119A CN202110284221.6A CN202110284221A CN112923119A CN 112923119 A CN112923119 A CN 112923119A CN 202110284221 A CN202110284221 A CN 202110284221A CN 112923119 A CN112923119 A CN 112923119A
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- assembly
- built
- assembling
- pipe
- groove
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to the technical field of sealing devices, in particular to an upper valve rod seat with a built-in multidirectional buffering mechanism. According to the upper valve rod seat with the built-in multidirectional buffering mechanism, the internal assembly frame on the upper surface of the bottom assembly disc is inserted into the bottom assembly slot and fixedly connected with the bolt at the lower end of the top assembly pipe, the lower end of the bottom assembly disc is provided with the annular assembly slot with the built-in detachable flexible rubber sealing sheet, so that the early-stage assembly and the later-stage replacement and maintenance are facilitated, and the later-stage use cost is greatly reduced; the elastic extrusion adjusting device used for controlling the extension and contraction of the flexible rubber sealing sheet is installed in the top assembling pipe, so that the elastic extrusion adjusting device can form a crumple zone with an elastic buffering function on a sealing surface as required, and the water hammer effect inside the pipe and the valve can be eliminated when the valve is opened and closed, so that the safety of the whole valve pipe is greatly improved.
Description
Technical Field
The invention relates to the technical field of sealing devices, in particular to a valve rod upper seat with a built-in multidirectional buffering mechanism.
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). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.
The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are further classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, etc. according to the material.
The valve rod seat of honour is the main adapting unit in the valve, mainly comprises the axis of ordinates that is used for connecting the handle and the base that is used for fixed valve, and traditional valve rod seat of honour simple structure is fixed, and unable regulation leads to the structure and the specification of using the valve limited, and compressive strength is fixed, poor stability, the water hammer effect that the valve received when opening and close can't be dealt with to, and loading and unloading are inconvenient, lead to installation in earlier stage and later stage to dismantle the maintenance trouble, in case the problem can only the whole change, later stage use cost is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problem that exists among the above-mentioned background art, a built-in multidirectional buffer gear's of modified valve rod seat of honour is provided, it is fixed to solve traditional valve rod seat of honour simple structure, can't adjust, the structure and the specification that lead to using the valve are limited, compressive strength is fixed, poor stability, the water hammer effect that the valve received when opening and close can't be dealt with, loading and unloading are inconvenient, lead to installation in earlier stage and later stage to dismantle the maintenance trouble, in case the problem appears can only the whole change, the problem that later stage use cost is high.
The technical scheme adopted by the invention for solving the technical problems is as follows: a valve rod upper seat with a built-in multidirectional buffer mechanism comprises a bottom assembly plate and a top assembly pipe, wherein a circular bottom adjusting groove is formed in the lower surface of the bottom assembly plate, a circular adjusting opening is formed in the center of the inner top surface of the circular bottom adjusting groove, an annular assembly groove is formed in the arc surface of the inner side of the circular bottom adjusting groove, an annular limiting groove is formed in the inner side surface of the annular assembly groove, a flexible rubber sealing sheet is assembled in the annular assembly groove, an integral structure curling sleeve is arranged at the outer edge position of the flexible rubber sealing sheet, the flexible rubber sealing sheet is inserted into the annular limiting groove through the curling sleeve and connected with the bottom assembly plate, an integral structure inner assembly frame protruding upwards is arranged on the periphery of the circular adjusting opening on the upper surface of the bottom assembly plate, a bottom assembly slot matched with the inner assembly frame is formed in the lower end of the outer side surface of the top assembly pipe, lateral assembling screw holes with built-in assembling bolts are transversely formed in the outer side surfaces of the bottom assembling slots, and an elastic extrusion adjusting device is installed in the top assembling tubes.
The flexible rubber sealing sheet is characterized in that a metal extrusion sheet is fixedly adhered to the center of the inner side face of the flexible rubber sealing sheet, and the upper surface of the metal extrusion sheet is fixedly connected with a top sealing cover connected with an elastic extrusion adjusting device.
The size of the inner aperture of the round adjusting port and the size of the outer diameter of the top sealing cover are gradually increased from top to bottom.
The elastic extrusion adjusting device comprises a middle control shaft arranged in the top assembly pipe, a bottom assembly frame axially fixed at the lower end of the middle control shaft, an extrusion spring arranged on the inner side of the bottom assembly frame, a top control frame axially fixed at the upper end of the middle control shaft and a lateral control block fixed on the outer lateral surface of the top control frame, wherein lateral adjusting ports matched with the lateral control block are symmetrically formed in the outer lateral surface of the top assembly pipe.
The top seal cover upper surface seted up circular assembly draw-in groove, extrusion spring lower extreme through insert inside and top seal cover upper surface joint fixed of circular assembly draw-in groove.
The lower surface of the bottom assembly disc is provided with a bottom assembly screw hole communicated with the inside of the annular limiting groove, the position of the curling sleeve, which is positioned on the bottom assembly screw hole, is provided with a lateral assembly and disassembly gap, and the inside of the curling sleeve is inserted with a hard limiting strip through the lateral assembly and disassembly gap.
And a limit screw is inserted into the bottom assembly screw hole through threads.
The upper end of the inner side surface of the top assembling pipe is provided with an assembling limiting ring with an integrated structure, and the outer side surface of the top assembling pipe is positioned above the assembling limiting ring and is provided with a lateral mounting hole internally provided with a lateral mounting bolt.
The invention has the beneficial effects that:
(1) according to the valve rod upper seat with the built-in multidirectional buffering mechanism, the internal assembly frame on the upper surface of the bottom assembly disc is inserted into the bottom assembly slot and fixedly connected with the bolt at the lower end of the top assembly pipe, the lower end of the bottom assembly disc is provided with the annular assembly slot with the built-in detachable flexible rubber sealing sheet, the whole device is in split type layout, so that the valve rod upper seat is convenient to assemble and disassemble, is convenient to assemble in the early stage and replace and maintain in the later stage, and the later-stage use cost is greatly reduced;
(2) an elastic extrusion adjusting device for controlling the extension and contraction of the flexible rubber sealing sheet is arranged in the top assembly pipe, so that a crumple zone with an elastic buffering function can be formed on a sealing surface according to needs, and the water hammer effect in the pipeline and the valve can be eliminated when the valve is opened and closed, so that the safety of the whole valve pipeline is greatly improved;
(3) adopt the spacing of stereoplasm to insert the turn-up cover and make the installation of flexible rubber gasket spacing in annular spacing inslot portion, utilize the elasticity of flexible rubber gasket and extrusion spring to cooperate, it is more various to make its deformation direction that produces after receiving the impact, it is more extensive to receive the face of strikeing, the cushioning effect is better, utilize the side direction control piece on the top control frame lateral surface to adjust along side direction regulation mouth, thereby can switch between elastic buffer and rigid seal structure fast, the operation is very simple and convenient.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an internal schematic view of the present invention.
FIG. 3 is a cross-sectional view of the interior of the bottom mounting plate of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The upper valve rod seat with the built-in multidirectional buffer mechanism shown in figures 1, 2 and 3 comprises a bottom assembly disc 1 and a top assembly pipe 2, wherein a circular bottom adjusting groove 3 is formed in the lower surface of the bottom assembly disc 1, a circular adjusting port 4 is formed in the center of the inner top surface of the circular bottom adjusting groove 3, an annular assembly groove 5 is formed in the arc surface of the inner side of the circular bottom adjusting groove 3, an annular limiting groove 6 is formed in the inner side surface of the annular assembly groove 5, a flexible rubber sealing sheet 7 is assembled in the annular assembly groove 5, an integral structure curling sleeve 8 is arranged at the outer edge position of the flexible rubber sealing sheet 7, the flexible rubber sealing sheet 7 is inserted into the annular limiting groove 6 through the curling sleeve 8 and is connected with the bottom assembly disc 1, an integral structure inner assembly frame 9 protruding upwards is arranged on the periphery of the circular adjusting port 4 on the upper surface of the bottom assembly disc 1, a bottom assembly slot 10 matched with the inner assembly frame 9 is formed at the, lateral assembling screw holes with built-in assembling bolts 11 are transversely formed in the outer side surfaces of the bottom assembling slots 10, and an elastic extrusion adjusting device is installed inside the top assembling pipe 2.
Example (b): when the flexible buffer state is changed, people translate and turn back the lateral control block 18 from the top of the lateral adjusting port 19 to the bottom, at this time, the middle control shaft 14 drives the top sealing cover 13 and the metal extrusion sheet 12 to extrude downwards through the extrusion spring 16 at the bottom, at this time, the middle part of the flexible rubber sealing sheet 7 is propped up and deformed, meanwhile, the circular adjusting port 4 is opened, and at this time, the opening between the annular assembling groove 5 and the annular limiting groove 6 is closed through the curling sleeve 8; when the state is changed into a rigid state, people translate and turn back the lateral control block 18 from the bottom of the lateral adjusting opening 19 to the top, at this time, the middle control shaft 14 drives the top sealing cover 13 and the metal pressing sheet 12 to retract upwards through the pressing spring 16 at the bottom, at this time, the middle part of the flexible rubber sealing sheet 7 retracts and is flat, meanwhile, the circular adjusting opening 4 is closed, at this time, the curling sleeve 8 resets outwards, and the outer arc-shaped surface of the annular assembling groove 5 is closed.
Furtherly, for convenient extrusion control and top seal, promote the durability, 7 medial surface central points of flexible rubber gasket put fixedly and have pasted metal extrusion piece 12, and metal extrusion piece 12 upper surface fixedly connected with extrudees the sealed lid 13 that adjusting device is connected with elasticity, and furtherly, for convenient processing production and promotion leakproofness, circular adjusting port 4 internal aperture size and the sealed lid 13 outside diameter size of top down grow gradually from last.
Furthermore, in order to facilitate the outer side adjustment and the elastic extrusion, the elastic extrusion adjustment device comprises a middle control shaft 14 installed inside the top assembly pipe 2, a bottom assembly frame 15 axially fixed at the lower end of the middle control shaft 14, an extrusion spring 16 installed inside the bottom assembly frame 15, a top control frame 17 axially fixed at the upper end of the middle control shaft 14, and a lateral control block 18 fixed on the outer side surface of the top control frame 17, wherein lateral adjustment ports 19 matched with the lateral control block 18 are symmetrically formed on the outer side surface of the top assembly pipe 2. The partial shape structure of the lateral adjustment opening 19 is shown in fig. 1.
Further, for the cooperation bottom installation fixed, circular assembly slot 20 has been seted up to the sealed 13 upper surface in top, it is fixed that the extrusion spring 16 lower extreme is through inserting inside and the sealed 13 upper surface joint of lid in top of circular assembly slot 20, furthermore, for the convenience from outside loading and unloading, conveniently change and install flexible sealing buffer gear, bottom assembly screw 21 that is linked together with annular spacing groove 6 inside is seted up to bottom assembly dish 1 lower surface, turn-up sleeve 8 is located bottom assembly screw 21 position and has seted up side direction loading and unloading opening 22, 8 insidely of turn-up sleeve have stereoplasm spacing strip 23 through side direction loading and unloading opening 22 grafting. The top surface is located bottom assembly screw 21 inboard and is fixed with the lug that both sides have the arc spigot surface in annular spacing groove 6, makes things convenient for spacing 23 of stereoplasm to insert and derive, the convenient change.
Further, for the cooperation is inside spacing, promotes locking performance that takes off, and the internal thread of bottom assembly screw 21 is pegged graft and is had stop screw 24, and further, for convenient top assembly is fixed, and 2 medial surface upper ends of top assembly pipe have an organic whole structure assembly spacing ring 25, and 2 lateral surfaces of top assembly pipe are located and assemble the side direction mounting hole that 26 of built-in side direction mounting bolt were seted up to spacing ring 25 top.
The upper valve rod seat with the built-in multidirectional buffering mechanism is fixedly connected with the lower end of the top assembly pipe 2 through the bolts, wherein the bottom assembly slot 10 is inserted into the inner assembly frame 9 on the upper surface of the bottom assembly plate 1, the annular assembly slot 5 with the built-in detachable flexible rubber sealing sheet 7 is formed in the lower end of the bottom assembly plate 1, and the whole device is in split layout, so that the upper valve rod seat is convenient to assemble and disassemble, is convenient to replace and maintain in the early stage and greatly reduces the later-stage use cost; an elastic extrusion adjusting device for controlling the extension and contraction of the flexible rubber sealing sheet 7 is arranged in the top assembly pipe 2, so that a collapse area with an elastic buffering function can be formed on a sealing surface according to needs, and the water hammer effect in a pipeline and a valve can be eliminated when the valve is opened and closed, so that the safety of the whole valve pipeline is greatly improved; adopt stereoplasm spacing strip 23 to insert turn-up cover 8 to make the installation of flexible rubber gasket 7 spacing in annular spacing groove 6 inside, utilize flexible rubber gasket 7 and extrusion spring 16's elasticity to cooperate, it is more various to make its deformation direction that produces after receiving the impact, it is more extensive to receive the impact face, the cushioning effect is better, utilize side direction control block 18 on the 17 lateral surfaces of top control frame to adjust along side direction regulation mouth 19, thereby can switch between elastic buffer and rigid seal structure fast, it is very simple and convenient to operate.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a built-in multidirectional buffer gear's valve rod upper seat, includes bottom assembly dish (1) and top assembly pipe (2), characterized by: the lower surface of the bottom assembly disc (1) is provided with a circular bottom adjusting groove (3), the center position of the inner top surface of the circular bottom adjusting groove (3) is provided with a circular adjusting opening (4), the inner side arc surface of the circular bottom adjusting groove (3) is provided with an annular assembly groove (5), the inner side surface of the annular assembly groove (5) is provided with an annular limiting groove (6), the inner part of the annular assembly groove (5) is provided with a flexible rubber sealing sheet (7), the outer edge position of the flexible rubber sealing sheet (7) is provided with an integral structure crimping sleeve (8), the flexible rubber sealing sheet (7) is inserted into the annular limiting groove (6) through the crimping sleeve (8) and is connected with the bottom assembly disc (1), the upper surface of the bottom assembly disc (1) is positioned at the periphery of the circular adjusting opening (4) and is provided with an upward convex integral structure inner assembly frame (9), the lower end of the outer side surface of the top assembling pipe (2) is provided with a bottom assembling slot (10) matched with the internal assembling frame (9), the outer side surface of the bottom assembling slot (10) is transversely provided with a lateral assembling screw hole with a built-in assembling bolt (11), and the top assembling pipe (2) is internally provided with an elastic extrusion adjusting device.
2. The valve stem upper seat of the built-in multidirectional buffer mechanism as set forth in claim 1, wherein: the flexible rubber sealing piece (7) inner side central point put the fixed metal extrusion piece (12) of having pasted, metal extrusion piece (12) upper surface fixedly connected with the sealed lid (13) in top that elasticity extrusion adjusting device is connected.
3. The valve stem upper seat of the built-in multidirectional buffer mechanism as set forth in claim 2, wherein: the inner aperture size of the round adjusting opening (4) and the outer diameter size of the top sealing cover (13) are gradually increased from top to bottom.
4. The valve stem upper seat of the built-in multidirectional buffer mechanism as set forth in claim 2, wherein: the elastic extrusion adjusting device comprises a middle control shaft (14) arranged in a top assembly pipe (2), a bottom assembly frame (15) axially fixed at the lower end of the middle control shaft (14), an extrusion spring (16) arranged on the inner side of the bottom assembly frame (15), a top control frame (17) axially fixed at the upper end of the middle control shaft (14) and a lateral control block (18) fixed on the outer side surface of the top control frame (17), wherein lateral adjusting ports (19) matched with the lateral control block (18) are symmetrically formed in the outer side surface of the top assembly pipe (2).
5. The valve stem upper seat of the built-in multidirectional buffer mechanism as set forth in claim 4, wherein: the upper surface of the top sealing cover (13) is provided with a circular assembling clamping groove (20), and the lower end of the extrusion spring (16) is fixedly clamped with the upper surface of the top sealing cover (13) by being inserted into the circular assembling clamping groove (20).
6. The valve stem upper seat of the built-in multidirectional buffer mechanism as set forth in claim 1, wherein: the lower surface of the bottom assembly disc (1) is provided with a bottom assembly screw hole (21) communicated with the inside of the annular limiting groove (6), the position of the curling sleeve (8) on the bottom assembly screw hole (21) is provided with a lateral assembly and disassembly opening (22), and the inside of the curling sleeve (8) is spliced with a hard limiting strip (23) through the lateral assembly and disassembly opening (22).
7. The valve stem upper seat of the built-in multidirectional buffer mechanism as set forth in claim 6, wherein: and a limit screw (24) is inserted into the bottom assembly screw hole (21) through threads.
8. The valve stem upper seat of the built-in multidirectional buffer mechanism as set forth in claim 1, wherein: the upper end of the inner side surface of the top assembling pipe (2) is provided with an integrated structure assembling limiting ring (25), and the outer side surface of the top assembling pipe (2) is positioned above the assembling limiting ring (25) and is provided with a lateral mounting hole internally provided with a lateral mounting bolt (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110284221.6A CN112923119A (en) | 2021-03-17 | 2021-03-17 | Valve rod upper seat with built-in multidirectional buffer mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110284221.6A CN112923119A (en) | 2021-03-17 | 2021-03-17 | Valve rod upper seat with built-in multidirectional buffer mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112923119A true CN112923119A (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110284221.6A Withdrawn CN112923119A (en) | 2021-03-17 | 2021-03-17 | Valve rod upper seat with built-in multidirectional buffer mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112923119A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163344A (en) * | 2022-07-12 | 2022-10-11 | 张家港海运金属冷挤压有限公司 | Valve disc of gas injection valve of gas inlet of gas engine |
-
2021
- 2021-03-17 CN CN202110284221.6A patent/CN112923119A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163344A (en) * | 2022-07-12 | 2022-10-11 | 张家港海运金属冷挤压有限公司 | Valve disc of gas injection valve of gas inlet of gas engine |
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Application publication date: 20210608 |