CN213575621U - Valve core assembly capable of preventing air leakage - Google Patents

Valve core assembly capable of preventing air leakage Download PDF

Info

Publication number
CN213575621U
CN213575621U CN202022481244.XU CN202022481244U CN213575621U CN 213575621 U CN213575621 U CN 213575621U CN 202022481244 U CN202022481244 U CN 202022481244U CN 213575621 U CN213575621 U CN 213575621U
Authority
CN
China
Prior art keywords
plate
valve core
blocking
sealing washer
core assembly
Prior art date
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.)
Active
Application number
CN202022481244.XU
Other languages
Chinese (zh)
Inventor
张志均
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Longde Precision Engineering Co ltd
Original Assignee
Tianjin Longde Precision Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Longde Precision Engineering Co ltd filed Critical Tianjin Longde Precision Engineering Co ltd
Priority to CN202022481244.XU priority Critical patent/CN213575621U/en
Application granted granted Critical
Publication of CN213575621U publication Critical patent/CN213575621U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lift Valve (AREA)

Abstract

The utility model discloses a case subassembly of leak protection gas relates to the valve field, and is firm inadequately to current case inside seal circle installation to the dismouting is inconvenient, easily leads to the problem of gas leakage, now proposes following scheme, and it includes case body, sealing washer and blocks positioner, the bottom movable mounting of case body has the sealing washer, just the sealing washer is located to block between positioner and the case body, it includes rotor plate, barrier plate, articulated slab and fastening screw to block positioner, the rotor plate is installed to the below of sealing washer, just the top of rotor plate is rotated and is installed barrier plate, barrier plate's top and sealing washer contact, the circumference lateral wall of case body articulates there is the articulated slab. The utility model discloses novel structure, and the sealing washer of this case subassembly not only the installation is firm, avoids producing gas leakage phenomenon, conveniently installs the dismantlement simultaneously to the convenience is changed it.

Description

Valve core assembly capable of preventing air leakage
Technical Field
The utility model relates to a valve field especially relates to a case subassembly of leak protection gas.
Background
Valves are accessories for pipes used to open and close the pipe, control flow direction, regulate and control parameters of the transport medium. 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 classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material.
The valve core assembly inside the valve is a valve part for realizing basic functions of direction control, pressure control or flow control by means of movement of the valve body, and the valve core is not firm enough in installation of an inner sealing ring in the use process, so that the problem of gas leakage is easily caused when the valve core is used for gas transportation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a case subassembly of leak protection gas has solved current case inner seal circle installation firm inadequately to the dismouting is inconvenient, easily leads to the problem of gas leakage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a case subassembly of leak protection gas, includes case body, sealing washer and blocks positioner, the bottom movable mounting of case body has the sealing washer, just the sealing washer is located and blocks between positioner and the case body, it includes rotor plate, blocking plate, articulated slab and fastening screw to block positioner, the rotor plate is installed to the below of sealing washer, just the blocking plate is installed in the rotation of the top of rotor plate, and the top and the sealing washer contact of blocking plate, the circumference lateral wall of case body articulates there is the articulated slab, the circumference lateral wall of blocking plate rotates installs the fastening screw who is symmetric distribution, just the fastening screw thread runs through the rotor plate, and its tip extends to one side that the articulated slab kept away from the rotor plate.
Preferably, the hinged plate is provided with a bayonet, and the hinged plate is provided with a clamping groove along the length direction of the hinged plate, and the clamping groove is communicated with the bayonet.
Preferably, the integral structure of the clamping groove and the bayonet is L-shaped, and the clamping groove and the bayonet are matched with the fastening screw.
Preferably, one end of the fastening screw, which is located inside the blocking plate, is fixedly connected with an anti-falling sheet, and a movable groove matched with the anti-falling sheet is formed inside the blocking plate.
Preferably, the vertical section of the rotating plate is arranged in a U-shaped structure, and a threaded hole matched with the fastening screw is formed in the U-shaped side wall of the rotating plate.
Preferably, the edge of the hinge plate away from the blocking positioning device is flush with the edge of the valve core body.
The utility model has the advantages that: the clamping device is clamped from the bayonet of the hinged plate through the fastening screw, then the fastening screw enters the clamping groove, the fastening screw can slide up and down in the clamping groove, the blocking plate and the rotating plate are driven to move integrally, the sealing ring can be supported between the blocking plate and the valve core body through the blocking plate, then the blocking plate and the rotating plate can be fixed integrally through rotation of the fastening screw, the stability of installation of the sealing ring is guaranteed, the device only needs to simply screw the fastening screw when being disassembled, the blocking plate can be separated from the sealing ring through sliding in the clamping groove, the disassembling operation of the sealing ring is achieved, the time for installing and disassembling the sealing ring is saved, the sealing ring is convenient to replace, and the clamping device is suitable for popularization and use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention in fig. 1;
FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;
fig. 4 is a schematic structural diagram of the hinge plate of the present invention.
Reference numbers in the figures: the novel valve core comprises a valve core body 1, a hinged plate 2, a fastening screw 3, a rotating plate 4, a blocking plate 5, a sealing ring 6, a bayonet 7, a threaded hole 8, a drop-proof sheet 9 and a clamping groove 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a gas leakage prevention valve core assembly comprises a valve core body 1, a sealing ring 6 and a blocking positioning device, wherein the sealing ring 6 is movably mounted at the bottom end of the valve core body 1, the sealing ring 6 is located between the blocking positioning device and the valve core body 1, the blocking positioning device comprises a rotating plate 4, a blocking plate 5, a hinged plate 2 and fastening screws 3, the rotating plate 4 is mounted below the sealing ring 6, the blocking plate 5 is rotatably mounted at the top end of the rotating plate 4, the top end of the blocking plate 5 is in contact with the sealing ring 6, the hinged plate 2 is hinged to the circumferential side wall of the valve core body 1, the fastening screws 3 which are symmetrically distributed are rotatably mounted on the circumferential side wall of the blocking plate 5, the fastening screws 3 penetrate through the rotating plate 4 in a threaded manner, and the end portions of the fastening screws extend to one side, away.
The hinged plate 2 is provided with a bayonet 7, the hinged plate 2 is provided with a clamping groove 10 along the length direction, the clamping groove 10 is communicated with the bayonet 7, the integral structure of the clamping groove 10 and the bayonet 7 is L-shaped, the clamping groove 10 and the bayonet 7 are matched with the fastening screw 3, the fastening screw 3 is fixedly connected with an anti-falling sheet 9 at one end inside the blocking plate 5, a movable groove matched with the anti-falling sheet 9 is arranged inside the blocking plate 5, the vertical section of the rotating plate 4 is arranged in a U-shaped structure, the U-shaped side wall of the rotating plate is provided with a threaded hole 8 matched with the fastening screw 3, and one side edge of the hinged plate 2, which is far away from the blocking positioning device, is flushed with the edge of the valve core.
When the device needs to be changed sealing washer 6, firstly, fastening screw 3 is rotated, make fastening screw 3 no longer hug closely articulated slab 2, make it slide in draw-in groove 10 on articulated slab 2, thereby make rotor plate 4 can drive baffle 5 downstream, make baffle 5 and sealing washer 6 separation, then can realize the dismantlement operation to sealing washer 6, change new sealing washer 6, then upwards promote rotor plate 4 again, make it promote baffle 5 and support sealing washer 6, and rotate rotor plate 4, make the screw hole block fastening screw, then rotate fastening screw 3 and can make it support articulated slab 2, thereby fix a position on articulated slab 2, realize the location to baffle 5 and rotor plate 4, make it support sealing washer 6 tightly can.
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 (6)

1. A gas leakage prevention valve core assembly comprises a valve core body (1), a sealing ring (6) and a blocking and positioning device, and is characterized in that the sealing ring (6) is movably mounted at the bottom end of the valve core body (1), the sealing ring (6) is positioned between the blocking and positioning device and the valve core body (1), the blocking and positioning device comprises a rotating plate (4), a blocking plate (5), a hinged plate (2) and fastening screws (3), the rotating plate (4) is mounted below the sealing ring (6), the blocking plate (5) is rotatably mounted at the top end of the rotating plate (4), the top end of the blocking plate (5) is in contact with the sealing ring (6), the hinged plate (2) is hinged to the circumferential side wall of the valve core body (1), the fastening screws (3) which are symmetrically distributed are rotatably mounted on the circumferential side wall of the blocking plate (5), and the fastening screws (3) penetrate through the rotating plate (4) in a threaded manner, and the end part of the hinge plate extends to the side of the hinge plate (2) far away from the rotating plate (4).
2. An air leakage prevention valve core assembly according to claim 1, wherein a bayonet (7) is arranged on the hinged plate (2), a clamping groove (10) is arranged on the hinged plate (2) along the length direction of the hinged plate, and the clamping groove (10) is communicated with the bayonet (7).
3. An air leakage prevention valve core assembly according to claim 2, wherein the integral structure of the clamping groove (10) and the bayonet (7) is L-shaped, and the clamping groove (10) and the bayonet (7) are matched with the fastening screw (3).
4. An air leakage prevention valve core assembly according to claim 1, wherein one end of the fastening screw (3) located inside the blocking plate (5) is fixedly connected with an anti-dropping sheet (9), and a movable groove matched with the anti-dropping sheet (9) is arranged inside the blocking plate (5).
5. An air leakage prevention valve core assembly according to claim 1, wherein the vertical section of the rotating plate (4) is provided with a U-shaped structure, and the U-shaped side wall of the rotating plate is provided with a threaded hole (8) matched with the fastening screw (3).
6. An air leakage prevention valve core assembly according to claim 1, wherein one side edge of the hinge plate (2) away from the blocking positioning device is flush with the edge of the valve core body (1).
CN202022481244.XU 2020-10-31 2020-10-31 Valve core assembly capable of preventing air leakage Active CN213575621U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022481244.XU CN213575621U (en) 2020-10-31 2020-10-31 Valve core assembly capable of preventing air leakage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022481244.XU CN213575621U (en) 2020-10-31 2020-10-31 Valve core assembly capable of preventing air leakage

Publications (1)

Publication Number Publication Date
CN213575621U true CN213575621U (en) 2021-06-29

Family

ID=76532321

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022481244.XU Active CN213575621U (en) 2020-10-31 2020-10-31 Valve core assembly capable of preventing air leakage

Country Status (1)

Country Link
CN (1) CN213575621U (en)

Similar Documents

Publication Publication Date Title
CN218895893U (en) Clamping mechanism for valve detection
CN111173966A (en) Regulating valve with non-return function and use method thereof
CN213575621U (en) Valve core assembly capable of preventing air leakage
CN113969989B (en) Water-saving valve capable of semi-automatically controlling flow
CN211202913U (en) Control device of emergency cut-off valve
CN213900082U (en) Intermittent three-way valve with caching function
CN213711895U (en) Seepage-releasing valve
CN214368050U (en) Valve convenient to change sealing strip
CN211715830U (en) Sliding petrochemical industry pipeline valve
CN210240582U (en) Butterfly valve for preventing silt
CN210830557U (en) Ceramic control valve
CN218031526U (en) Water heater valve
CN220816573U (en) Adjustable valve assembly
CN210770253U (en) Integrated hydraulic control valve
CN211715808U (en) Novel petrochemical industry high-pressure line valve
CN213298959U (en) Decoking control valve easy to assemble and disassemble quickly
CN212177958U (en) Controllable stop valve of tee bend
CN212868522U (en) Maintain pipeline valve fast
CN211231704U (en) Multi-way valve
CN215445284U (en) Anti-leakage self-sealing valve
CN212028544U (en) High-pressure balanced type steel needle valve guiding device
CN216343945U (en) Leakproof water supply valve
CN213180588U (en) Valve overhauls with overhauing platform
CN218761750U (en) Valve with flow detection function
CN210600348U (en) Flange formula ore pulp coal slurry valve

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant