CN110185805A - A kind of valve of the detachable valve rod with leakage-proof structure - Google Patents
A kind of valve of the detachable valve rod with leakage-proof structure Download PDFInfo
- Publication number
- CN110185805A CN110185805A CN201910536439.9A CN201910536439A CN110185805A CN 110185805 A CN110185805 A CN 110185805A CN 201910536439 A CN201910536439 A CN 201910536439A CN 110185805 A CN110185805 A CN 110185805A
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- China
- Prior art keywords
- valve
- leakage
- screw thread
- detachable
- valve body
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Classifications
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
- F16K31/60—Handles
- F16K31/607—Handles characterised by particular material, by special measures to obtain aesthetical effects, or by auxiliary functions, e.g. storage
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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
- F16K41/003—Spindle sealings by fluid
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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
Abstract
The valve of the invention discloses a kind of detachable valve rod with leakage-proof structure, it is related to valve technology field, the valve of specially a kind of detachable valve rod with leakage-proof structure, including valve body, mobile jib and force application mechanism, screw thread extension bar is mounted at left and right sides of the valve body, and fixed block is fixed in the middle part of screw thread extension bar, the valve body is internally provided with flow blocking mechanism, and rubber sole piece is installed above flow blocking mechanism, the rubber sole piece is internally provided with link block, sealing mechanism is installed in the middle part of the mobile jib, and mobile jib is located at the top of rubber sole piece.The valve of the detachable valve rod with leakage-proof structure is provided with air bag and rubber layer, air pump can introduce gas into the inside of air bag, air bag starts to expand, to push rubber layer to be expanded, so that being fitted closely between rubber layer and valve body, mobile jib and top cover, so as to effectively prevent the leakage of liquid, and then it can effectively improve the sealing performance of valve.
Description
Technical field
The present invention relates to valve technology field, the valve of specially a kind of detachable valve rod with leakage-proof structure.
Background technique
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting
Or the functions such as overflow pressure relief, it can be used for the valve of fluid control systems, from simplest shut-off valve to extremely complex automatic control system
Various valves used in system, kind and specification are quite various, and with social horizontal development, valve is led for liquid
When stream, it is also desirable to have adaptable function, at this point, then needing a kind of valve of detachable valve rod with leakage-proof structure.
A kind of valve disclosed in Chinese invention patent application prospectus CN105179718B, the valve, although,
It solves and is difficult to accurately test the defect of packing leaking situation in existing valve seal performance level authentication, but the valve,
The structure of reliable anti-leak cannot be provided for valve well, and provide many places sealing structure for valve, enhancing valve is certainly
The phenomenon that sealing performance of body cannot avoid the unexpected touching because of user or maintenance personnel well, lead to valve opening, cannot
Dismountable valve rod is provided for user well, the stability that valve is connect with external module cannot be enhanced well.
Summary of the invention
In view of the deficiencies of the prior art, the valve of the present invention provides a kind of detachable valve rod with leakage-proof structure,
Solve the problems mentioned above in the background art.
In order to achieve the above object, the present invention is achieved by the following technical programs: it is a kind of with leakage-proof structure can
The valve of valve rod, including valve body, mobile jib and force application mechanism are dismantled, is mounted on screw thread extension bar at left and right sides of the valve body, and
Fixed block is fixed in the middle part of screw thread extension bar, the valve body is internally provided with flow blocking mechanism, and the top installation of flow blocking mechanism
There is rubber sole piece, the rubber sole piece is internally provided with link block, sealing mechanism, and mobile jib are equipped in the middle part of the mobile jib
Positioned at the top of rubber sole piece, top cover is installed, and teeth are installed between top cover and valve body above the valve body, the top
It is mounted on bolt at left and right sides of lid, limit internal screw thread lid is installed, and limit the interior of internal screw thread lid above the top cover
Portion is provided with spring, and the spring is internally provided with lower position block, and upper limit position block is equipped with above lower position block, described
Upper limit position block is fixedly arranged above secondary bar, and the force application mechanism is located at the top of limit internal screw thread lid.
Optionally, the valve body is by constituting detachable structure between screw thread extension bar and fixed block, and fixed block passes through spiral shell
Line extension bar is integrally formed formula structure, and the inside of screw thread extension bar is in hollow cylinder structure.
Optionally, the flow blocking mechanism includes guide hole, turnover panel, rubber ring, pivot pin and partition, and partition is internally provided with
Guide hole, the guide hole is internally provided with turnover panel, and rubber ring is equipped in the middle part of turnover panel, and the left and right sides of the turnover panel is pacified
Equipped with pivot pin.
Optionally, the rounded structure in the inside of the guide hole, and the inside diameter of guide hole is equal to the outer dia of turnover panel, and
And locally fitted closely between the interior surface of rubber ring and the outer surface of turnover panel, and rubber ring by pivot pin and partition it
Between constitute rotational structure.
Optionally, the vertical centerline between the rubber sole piece, link block and mobile jib three overlaps, and link block
Cross section be set as I-shaped structure, and link block is integrally formed formula structure, while the cross of rubber sole piece by mobile jib
Section is set as trapezium structure.
Optionally, the teeth are integrally formed formula structure, and the outside structure annular in shape of teeth, and tooth by top cover
Tooth expands by center of circle uniform diameter of the midpoint of top cover, and top cover is by constituting detachable structure between bolt and valve body, together
When valve body tip size structure and the bottom end dimensional structure of top cover between match.
Optionally, to be threadedly coupled between the top cover and limit internal screw thread lid, and top cover is made up of spring and secondary bar
Elastic construction, and secondary bar is integrally formed formula structure by upper limit position block, and the outside of upper limit position block and lower position block is outer
Portion is in " ten " word structure, while kissing between the dimensional structure above the dimensional structure and lower position block below upper limit position block
It closes.
Optionally, the force application mechanism includes sponges cover, horizontal handle and screw rod, is mounted on cross at left and right sides of the screw rod
Handle, and horizontal handle is equipped with sponges cover far from the side of screw rod, the horizontal handle through sponges cover one side edge, and sponges cover it
Between about screw rod vertical centerline it is symmetrical.
Optionally, the sealing mechanism includes gas-guide tube, rubber layer and air bag, the gas-guide tube through rubber layer one
Side edge, and rubber layer is wrapped in the outside of air bag.
The valve of the present invention provides a kind of detachable valve rod with leakage-proof structure, have it is following the utility model has the advantages that
1, the valve of the detachable valve rod with leakage-proof structure, is provided with screw thread extension bar, and valve body can be with by screw thread extension bar
It is screwed with fixed block, fixed block is fixed or is split with valve body convenient for user, after valve long-time use,
Junction between valve and joint outer part is easy to produce abrasion, is easy to appear leakage so as to cause junction, and passes through spiral shell
Cooperation between line extension bar and fixed block can only need to change screw thread extension bar and fixed block i.e. after the side of screw thread extension bar is impaired
Can, time and cost consumed by replacement valve member can be effectively reduced, link block is provided with, passes through link block
I-shaped structure can effectively limit the position of rubber sole piece, and can effectively improve between rubber sole piece and mobile jib
The stability of connection prevents rubber sole piece to be detached from mobile jib, guarantees that rubber sole piece can do work with mobile jib.
2, there is the valve of the detachable valve rod of leakage-proof structure to be provided with flow blocking mechanism for this, can be effective by partition
Liquid is separated, and guide hole provides reliable channel for the circulation of liquid, when liquid communication, liquid-driving turnover panel passes through axis
Pin is rotated, and when turnover panel is in vertical direction, guide hole allows the cross-sectional area maximum by liquid, and when valve is closed
When, rubber sole piece is contacted with turnover panel, at this point, turnover panel is in horizontal direction, turnover panel forms flow blocking sealing by rubber ring and partition
Structure can be effectively blocked the circulation of liquid.
3. there is the valve of the detachable valve rod of leakage-proof structure to be provided with air bag and rubber layer for this, air pump can be by gas
The inside of air bag is imported, air bag starts to expand, to push rubber layer to be expanded, so that rubber layer and valve body, mobile jib and top
It is fitted closely between Gai Sizhe, so as to effectively prevent the leakage of liquid, and then can effectively improve the sealing of valve
Performance.
4. there is the valve of the detachable valve rod of leakage-proof structure to be provided with teeth and bolt for this, can be effective by teeth
Be that valve provides multilayer reducing-flow structure, so as to effectively improve valve itself anti-leak performance, and can have
The leakproofness improved between top cover and valve body contact face of effect, and bolt can effectively enhance and connect between top cover and valve body
Stability, while top cover is dismantled or installed with valve body convenient for user, valve is overhauled convenient for user, or take out valve
Bar is provided with force application mechanism, can effectively absorb the sweat of user's palm or water stain by sponges cover, increase user to horizontal handle
Grip, and sponges cover itself is more soft, can effectively enhance the comfort of user's operation valve.
5. there is the valve of the detachable valve rod of leakage-proof structure to be provided with spring, lower position block and upper limit position block for this, lead to
Crossing spring can will separate between upper limit position block and lower position block, if user or maintenance personnel surprisingly touch secondary bar, only secondary bar turns
Dynamic, mobile jib is not contacted with secondary bar, fail to open valve, so as to effectively avoid user's accident Open valve, so as to cause
The outflow of liquid causes to waste, and when secondary bar is along the vertical centerline direction compressed spring of limit internal screw thread lid, so that lower limit
It is mutually clamped between block and upper limit position block, at this point, user can rotate secondary bar, passes through matching between lower position block and upper limit position block
Crossed belt moves mobile jib rotation, at this point, valve opening.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the present invention；
Fig. 2 is the present invention looks up structural representation of top cover of the present invention；
Fig. 3 is the side structure schematic view of fixed block of the present invention；
Fig. 4 is the attachment structure schematic diagram of lower position block of the present invention and upper limit position block；
Fig. 5 is partial enlargement structural representation at A in Fig. 1 of the present invention.
In figure: 1, valve body；2, fixed block；3, screw thread extension bar；4, flow blocking mechanism；401, guide hole；402, turnover panel；403, rubber
Circle；404, pivot pin；405, partition；5, rubber sole piece；6, link block；7, mobile jib；8, teeth；9, bolt；10, top cover；11, it limits
Internal screw thread lid；12, spring；13, secondary bar；14, force application mechanism；1401, sponges cover；1402, horizontal handle；1403, screw rod；15, lower limit
Position block；16, upper limit position block；17, sealing mechanism；1701, gas-guide tube；1702, rubber layer；1703, air bag.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Fig. 1 to Fig. 5 is please referred to, the present invention provides a kind of technical solution: a kind of detachable valve rod with leakage-proof structure
Valve, including valve body 1, mobile jib 7 and force application mechanism 14, the left and right sides of valve body 1 is mounted on screw thread extension bar 3, and screw thread connects
The middle part of bar 3 is fixed with fixed block 2, and valve body 1 is by constituting detachable structure, and fixed block between screw thread extension bar 3 and fixed block 2
2 are integrally formed formula structure by screw thread extension bar 3, and the inside of screw thread extension bar 3 is in hollow cylinder structure, and valve body 1 passes through spiral shell
Line extension bar 3 can be screwed with fixed block 2, and fixed block 2 is fixed or is split with valve body 1 convenient for user, in valve
After door long-time use, the junction between valve and joint outer part is easy to produce abrasion, is easy so as to cause junction
It now leaks, and can only be needed to change after the side of screw thread extension bar 3 is impaired by the cooperation between screw thread extension bar 3 and fixed block 2
Screw thread extension bar 3 and fixed block 2 can effectively reduce time and cost consumed by replacement valve member；
Valve body 1 is internally provided with flow blocking mechanism 4, and the top of flow blocking mechanism 4 is equipped with rubber sole piece 5, and flow blocking mechanism 4 includes
Guide hole 401, turnover panel 402, rubber ring 403, pivot pin 404 and partition 405, and partition 405 is internally provided with guide hole 401, guide hole
401 are internally provided with turnover panel 402, and the middle part of turnover panel 402 is equipped with rubber ring 403, and the left and right sides of turnover panel 402 is respectively mounted
There are pivot pin 404, the rounded structure in the inside of guide hole 401, and the inside diameter of guide hole 401 to be equal to the outer dia of turnover panel 402, and
And it is locally fitted closely between the interior surface of rubber ring 403 and the outer surface of turnover panel 402, and rubber ring 403 passes through axis
Rotational structure is constituted between pin 404 and partition 405, can effectively be separated liquid by partition 405, and guide hole 401
Reliable channel is provided for the circulation of liquid, when liquid communication, at this point, liquid-driving turnover panel 402 passes through 404 turns of pivot pin
It is dynamic, at this point, guide hole 401 allows the cross-sectional area maximum by liquid when turnover panel 402 is in vertical direction, and when valve is closed
When, at this point, rubber sole piece 5 is contacted with turnover panel 402, at this point, turnover panel 402 is in horizontal direction, turnover panel 402 by rubber ring 403 with
Partition 405 forms the structure of flow blocking sealing, can be effectively blocked the circulation of liquid, rubber sole piece 5 is internally provided with connection
Block 6, the middle part of mobile jib 7 is equipped with sealing mechanism 17, and mobile jib 7 is located at the top of rubber sole piece 5, rubber sole piece 5, link block 6
Vertical centerline between 7 three of mobile jib overlaps, and the cross section of link block 6 is set as I-shaped structure, and
Link block 6 is integrally formed formula structure by mobile jib 7, while the cross section of rubber sole piece 5 is set as trapezium structure, passes through link block
6 I-shaped structure can effectively limit the position of rubber sole piece 5, and can effectively improve rubber sole piece 5 and master
The stability connected between bar 7 prevents rubber sole piece 5 to be detached from mobile jib 7, guarantees that rubber sole piece 5 can be done with mobile jib 7
Function；Sealing mechanism 17 includes gas-guide tube 1701, rubber layer 1702 and air bag 1703, and gas-guide tube 1701 is through rubber layer 1702
One side edge, and rubber layer 1702 is wrapped in the outside of air bag 1703, can be attached with external air pump and gas-guide tube 1701, gas
Pump can introduce gas into the inside of air bag 1703, at this point, air bag 1703 starts to expand, so that rubber layer 1702 be pushed to be expanded
, so that being fitted closely between rubber layer 1702 and valve body 1, mobile jib 7 and top cover 10 4, so as to effectively prevent liquid
Leakage, and then can effectively improve the sealing performance of valve, the top of valve body 1 is equipped with top cover 10, and top cover 10 and valve
Teeth 8 are installed between body 1, teeth 8 are integrally formed formula structure, and the outside structure annular in shape of teeth 8 by top cover 10, and
And teeth 8 expand by center of circle uniform diameter of the midpoint of top cover 10, and top cover 10 can by constituting between bolt 9 and valve body 1
Detaching structure, while matching between the tip size structure of valve body 1 and the bottom end dimensional structure of top cover 10, pass through 8 energy of teeth
It is enough effective to provide multilayer reducing-flow structure for valve, so as to effectively improve valve itself anti-leak performance, and
The leakproofness between 1 contact surface of top cover 10 and valve body can be effectively improved, and bolt 9 can effectively enhance top cover 10 and valve
The stability connected between body 1, while top cover 10 is dismantled or installed with valve body 1 convenient for user, convenient for user to valve
It is overhauled, or takes out valve rod, the left and right sides of top cover 10 is mounted on bolt 9, and the top of top cover 10 is equipped with spiral shell in limit
Line lid 11, and limit internal screw thread lid 11 and be internally provided with spring 12, spring 12 is internally provided with lower position block 15, and lower limit
The top of position block 15 is equipped with upper limit position block 16, and to be threadedly coupled between top cover 10 and limit internal screw thread lid 11, and top cover 10 is logical
It crosses spring 12 and secondary bar 13 constitutes elastic construction, and secondary bar 13 is integrally formed formula structure, and the upper limit by upper limit position block 16
The outside of position block 16 and the outside of lower position block 15 are in " ten " word structure, while the dimensional structure of 16 lower section of upper limit position block is under
It matches between the dimensional structure of 15 top of limited block, it can be by between upper limit position block 16 and lower position block 15 points by spring 12
From at this point, only secondary bar 13 rotates if user or maintenance personnel surprisingly touch secondary bar 13, mobile jib 7 is not contacted with secondary bar 13, can not
Open valve causes to waste so as to effectively avoid user's accident Open valve so as to cause the outflow of liquid, and when pair
Bar 13 is along the vertical centerline direction compressed spring 12 for limiting internal screw thread lid 11, so that between lower position block 15 and upper limit position block 16
It is mutually clamped, at this point, user can rotate secondary bar 13, mobile jib is driven by the cooperation between lower position block 15 and upper limit position block 16
7 rotations, at this point, valve opening；
Upper limit position block 16 is fixedly arranged above secondary bar 13, and force application mechanism 14 is located at the top of limit internal screw thread lid 11, force application mechanism
14 include sponges cover 1401, horizontal handle 1402 and screw rod 1403, and the left and right sides of screw rod 1403 is mounted on horizontal handle 1402, and horizontal handle
1402 sides far from screw rod 1403 are equipped with sponges cover 1401, horizontal handle 1402 through sponges cover 1401 one side edge, and
Vertical centerline between sponges cover 1401 about screw rod 1403 is symmetrical, can effectively absorb use by sponges cover 1401
The sweat of family palm is water stain, increases user to the grip of horizontal handle 1402, and sponges cover 1401 itself is more soft, Neng Gouyou
The comfort of the enhancing user's operation valve of effect.
To sum up, the valve of the detachable valve rod with leakage-proof structure, in use, fixed block 2 is made to pass through screw thread extension bar 3
It is threadedly coupled with valve body 1, then the connector of external valve and screw thread extension bar 3 is attached；It will secondly, passing through bolt 9
It is screwed between top cover 10 and valve body 1, at this point, multilayer reducing-flow structure effectively can be provided for valve by teeth 8,
And external liquid imports the inside of valve body 1 by screw thread extension bar 3, and thirdly, thrust of the turnover panel 402 by liquid, turnover panel 402
It is rotated by pivot pin 404, and when turnover panel 402 is in vertical direction, at this point, guide hole 401 allows through the transversal of liquid
Area is maximum, then, presses horizontal handle 1402, horizontal handle 1402 is by the cooperation between screw rod 1403 and secondary bar 13 along limit internal screw thread
The vertical centerline direction compressed spring 12 of lid 11 makes to be mutually clamped between lower position block 15 and upper limit position block 16, at this point, pushing
Horizontal handle 1402, horizontal handle 1402 push secondary bar 13 by screw rod 1403, and secondary bar 13 passes through between lower position block 15 and upper limit position block 16
Cooperation drive mobile jib 7 to rotate so that mobile jib 7 is moved down along the vertical centerline direction of top cover 10, until rubber sole piece 5 with
Turnover panel 402 contacts, at this point, turnover panel 402 is in horizontal direction, turnover panel 402 forms flow blocking sealing by rubber ring 403 and partition 405
Structure, the circulation of liquid can be effectively blocked, valve is closed；Finally, external air pump is attached with gas-guide tube 1701, gas
Pump introduces gas into the inside of air bag 1703, at this point, air bag 1703 starts to expand, so that rubber layer 1702 is pushed to be expanded,
So that being fitted closely between rubber layer 1702 and valve body 1, mobile jib 7 and top cover 10 4, so as to effectively prevent liquid
Leakage.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of valve of the detachable valve rod with leakage-proof structure, including valve body (1), mobile jib (7) and force application mechanism (14),
It is characterized by: being mounted on screw thread extension bar (3) at left and right sides of the valve body (1), and it is fixed in the middle part of screw thread extension bar (3)
Fixed block (2), the valve body (1) is internally provided with flow blocking mechanism (4), and is equipped with rubber-sole above flow blocking mechanism (4)
Block (5), the rubber sole piece (5) are internally provided with link block (6), are equipped with sealing mechanism in the middle part of the mobile jib (7)
(17), and mobile jib (7) is located at the top of rubber sole piece (5), is equipped with top cover (10) above the valve body (1), and top cover
(10) it is equipped between valve body (1) teeth (8), is mounted on bolt (9), the top cover at left and right sides of the top cover (10)
(10) limit internal screw thread lid (11) is installed above, and limits being internally provided with spring (12) for internal screw thread lid (11), it is described
Spring (12) is internally provided with lower position block (15), and upper limit position block (16) are equipped with above lower position block (15), described
Upper limit position block (16) is fixedly arranged above secondary bar (13), and the force application mechanism (14) is located at the top of limit internal screw thread lid (11).
2. a kind of valve of detachable valve rod with leakage-proof structure according to claim 1, it is characterised in that: described
Valve body (1) is by constituting detachable structure between screw thread extension bar (3) and fixed block (2), and fixed block (2) passes through screw thread extension bar
(3) it is integrally formed formula structure, and the inside of screw thread extension bar (3) is in hollow cylinder structure.
3. a kind of valve of detachable valve rod with leakage-proof structure according to claim 1, it is characterised in that: described
Flow blocking mechanism (4) includes guide hole (401), turnover panel (402), rubber ring (403), pivot pin (404) and partition (405), and partition
(405) be internally provided with guide hole (401), the guide hole (401) is internally provided with turnover panel (402), and in turnover panel (402)
Portion is equipped with rubber ring (403), is mounted on pivot pin (404) at left and right sides of the turnover panel (402).
4. a kind of valve of detachable valve rod with leakage-proof structure according to claim 3, it is characterised in that: described
The rounded structure in inside of guide hole (401), and the inside diameter of guide hole (401) is equal to the outer dia of turnover panel (402), and rubber
It is locally fitted closely between the interior surface of cushion rubber (403) and the outer surface of turnover panel (402), and rubber ring (403) passes through
Rotational structure is constituted between pivot pin (404) and partition (405).
5. a kind of valve of detachable valve rod with leakage-proof structure according to claim 1, it is characterised in that: described
Vertical centerline between rubber sole piece (5), link block (6) and mobile jib (7) three overlaps, and link block (6) is transversal
Face is set as I-shaped structure, and link block (6) is integrally formed formula structure by mobile jib (7), while rubber sole piece (5)
Cross section is set as trapezium structure.
6. a kind of valve of detachable valve rod with leakage-proof structure according to claim 1, it is characterised in that: described
Teeth (8) are integrally formed formula structure, and the outside structure annular in shape of teeth (8) by top cover (10), and teeth (8) are to push up
The midpoint of (10) is covered as the expansion of center of circle uniform diameter, and top cover (10) is detachable by constituting between bolt (9) and valve body (1)
Structure, while matching between the tip size structure of valve body (1) and the bottom end dimensional structure of top cover (10).
7. a kind of valve of detachable valve rod with leakage-proof structure according to claim 1, it is characterised in that: described
To be threadedly coupled between top cover (10) and limit internal screw thread lid (11), and top cover (10) is made up of spring (12) and secondary bar (13)
Elastic construction, and secondary bar (13) is integrally formed formula structure by upper limit position block (16), and the outside of upper limit position block (16) and
The outside of lower position block (15) is in " ten " word structure, while the dimensional structure below upper limit position block (16) and lower position block (15)
It matches between the dimensional structure of top.
8. a kind of valve of detachable valve rod with leakage-proof structure according to claim 1, it is characterised in that: described
Force application mechanism (14) includes sponges cover (1401), horizontal handle (1402) and screw rod (1403), the left and right sides of the screw rod (1403)
It is mounted on horizontal handle (1402), and horizontal handle (1402) is equipped with sponges cover (1401), the cross far from the side of screw rod (1403)
Handle (1402) through sponges cover (1401) one side edge, and between sponges cover (1401) about screw rod (1403) it is vertical in
Heart line is symmetrical.
9. a kind of valve of detachable valve rod with leakage-proof structure according to claim 1, it is characterised in that: described
Sealing mechanism (17) includes gas-guide tube (1701), rubber layer (1702) and air bag (1703), the gas-guide tube (1701) through
The one side edge of rubber layer (1702), and rubber layer (1702) is wrapped in the outside of air bag (1703).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910536439.9A CN110185805A (en) | 2019-06-20 | 2019-06-20 | A kind of valve of the detachable valve rod with leakage-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536439.9A CN110185805A (en) | 2019-06-20 | 2019-06-20 | A kind of valve of the detachable valve rod with leakage-proof structure |
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| CN110185805A true CN110185805A (en) | 2019-08-30 |
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| CN201910536439.9A Pending CN110185805A (en) | 2019-06-20 | 2019-06-20 | A kind of valve of the detachable valve rod with leakage-proof structure |
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| CN (1) | CN110185805A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617339A (en) * | 2019-09-05 | 2019-12-27 | 宁波杰克龙精工有限公司 | Locking gate valve |
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