CN110715086A - Two-way shock wave resisting valve - Google Patents
Two-way shock wave resisting valve Download PDFInfo
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- CN110715086A CN110715086A CN201910917828.6A CN201910917828A CN110715086A CN 110715086 A CN110715086 A CN 110715086A CN 201910917828 A CN201910917828 A CN 201910917828A CN 110715086 A CN110715086 A CN 110715086A
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- valve
- shock wave
- valve body
- leaf
- rotating shaft
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/363—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position the closure members being rotatable or pivoting
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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
- F16K1/20—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 arranged externally of valve member
- F16K1/2014—Shaping of the valve member
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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
- F16K1/20—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 arranged externally of valve member
- F16K1/2021—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 arranged externally of valve member 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
- F16K1/16—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
- F16K1/20—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 arranged externally of valve member
- F16K1/2028—Details of bearings for the axis of rotation
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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
- F16K1/20—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 arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
- F16K1/205—Special features or arrangements of the sealing the sealing being arranged on the valve member
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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
- F16K1/20—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 arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
- F16K1/2057—Special features or arrangements of the sealing the sealing being arranged on the valve seat
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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
- F16K27/0227—Check valves or pivoted valves with the valve members swinging around an axis located at the edge of or outside the valve member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention provides a two-way shock wave resistant valve which comprises a valve body and a rotating shaft arranged in an inner cavity of the valve body, wherein a valve leaf is arranged on the rotating shaft and can rotate along with the rotating shaft, one end of the rotating shaft penetrates through a sleeve through hole, the other end of the rotating shaft is connected with the side wall of the valve body, the sleeve is connected with a connecting rod through a connecting piece, the connecting piece is connected with one end of a spring, the other end of the spring is connected with one end of a hook, the other end of the hook is connected with a fixed block, the fixed block is arranged on the outer surface of the side wall of the valve body, two rows of valve leaves are arranged on the valve body, a valve leaf baffle is arranged in the. The invention solves the problem of lack of a bidirectional shock wave resistant valve in the prior art, promotes the improvement of social productivity, promotes economic development, consolidates production safety and ensures the life safety of people.
Description
Technical Field
The invention relates to the field of shock wave valves, in particular to a bidirectional shock wave valve.
Background
At present, heating and ventilation systems must be considered in the design of control rooms and the like in the industries of petrochemical industry, nuclear power and the like, and national standards stipulate that shock wave resistant valves must be arranged at air inlets and air outlets to resist external shock waves and protect the safety of indoor personnel and equipment. When the shock wave comes, the shock wave valve can be closed instantly to block the shock wave outdoors, and when the shock wave disappears, the shock wave valve can automatically reset under the action of the spring to ventilate normally.
Shock wave resisting valves with large ventilation volume in the market are all one-way and can only resist shock waves on one side; and the valve can resist shock waves in two directions, and the ventilation quantity is small. However, in some special occasions, explosion sources exist inside and outside, so that the shock wave valve is required to have the capability of resisting shock waves in a two-way mode, the requirement on the ventilation volume per unit area is high, and the shock wave valve can be closed instantly under the conditions of positive pressure and negative pressure to play a protection role.
Therefore, there is a need to provide a new solution to accommodate such bi-directional shock waves and to provide a large ventilation capacity per unit area in the environment.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a bidirectional anti-shock wave valve on the market, and the specific technical scheme is as follows:
the invention provides a bidirectional shock wave resistant valve which comprises a valve body, a connecting arm, a connecting rod, a bracket, a rotating shaft and a valve leaf, wherein the connecting arm is connected with the connecting rod;
further, the valve body is provided with an inner cavity;
further, the connecting arms are oppositely arranged on two sides of the valve body;
furthermore, the connecting rods are respectively vertically arranged on two sides of the valve body and are movably connected with the connecting arms through connecting pieces;
furthermore, at least two groups of brackets are arranged in the inner cavity in parallel;
furthermore, each group of brackets comprises two side brackets which are respectively arranged on the side wall of the inner cavity in parallel, and each side bracket is provided with an opening and an accommodating groove adjacent to the opening;
furthermore, the rotating shaft is horizontally arranged in the inner cavity, two ends of the rotating shaft are respectively accommodated in the accommodating grooves, and one end of the rotating shaft penetrates through the side wall of the valve body and is connected with the connecting arm;
furthermore, the valve leaf is fixedly connected to the rotating shaft, the valve leaf can move towards the opening under the action of external force, and the rotating directions of the valve leaf on the two groups of supports are consistent.
The technical scheme is further that the valve body is a rectangular shell, vent holes are formed in two opposite sides of the rectangular shell respectively, and the vent holes are communicated with the inner cavity.
Furthermore, the connecting arm comprises a combination of a plurality of sleeves, springs, hooks and fixing blocks;
further, the rotating shaft is fixedly connected with the sleeve, the connecting rod is movably connected with the sleeve through a connecting piece, and the valve leaf, the rotating shaft, the sleeve and the connecting rod are linked together;
furthermore, one end of the spring is connected with the connecting piece, the other end of the spring is connected with the hook hand, and the hook hand is connected with the fixed block;
furthermore, the fixed block is fixedly arranged on the outer surface of the side wall of the valve body and corresponds to the hooks one to one.
Further, in the above technical solution, the axial direction of the connecting rod is parallel to the side wall of the rectangular housing.
Further, the side support comprises a valve leaf sealing support and a side frame sealing support;
furthermore, the valve leaf sealing frame is a concave sealing frame, one concave side of the valve leaf sealing frame is fixed on the side wall of the inner cavity of the valve body, and the central groove of the concave sealing frame is the accommodating groove;
furthermore, the side frame sealing support is in a long strip shape, is vertically arranged on the side wall of the inner cavity of the valve body and is tightly attached to the valve leaf in a closed state;
further, the valve leaf sealing frame and the side frame sealing frame are sequentially connected at intervals;
in the above technical solution, the side bracket is further provided with a sealing strip;
the sealing strips comprise valve leaf sealing strips and side frame sealing strips;
the valve leaf sealing strip is installed on the valve leaf sealing frame, and the side frame sealing strip is installed on the side frame sealing frame.
Further, in the above technical solution, the rotation shafts correspond to the accommodating grooves one to one
Further among the above-mentioned technical scheme, the valve leaf is the rectangle blade, the long limit one side of rectangle blade with the pivot links to each other, the valve leaf is in valve body inner chamber parallel arrangement has a plurality ofly.
Furtherly among the above-mentioned technical scheme still includes the valve leaf baffle, the valve leaf baffle install in valve body inner chamber lateral wall, its set up the direction with pivot axial direction is parallel, and mounted position with the pivot horizontal direction is 45 contained angles.
In the above technical solution, further, the two sides of the valve body, which are provided with the vent holes, are provided with grilles.
The invention has the following beneficial effects:
1. compared with a one-way anti-shock wave valve in the prior art, the one-way anti-shock wave valve has the capability of resisting shock waves in two directions, the effective ventilation area per unit area is enlarged, the ventilation capability under the same size and pressure drop is enhanced, the application range and the use performance are enlarged, and the existing problem is solved;
2. the bidirectional shock wave resistant valve has clear structures of all parts, simple principle, suitability for the cognitive range of people in the field, mass production, strong replaceability of all parts and standardized and unified production;
3. the bidirectional shock wave resistant valve provided by the invention utilizes the spring to perform reset action, does not need to be driven by electric components such as an actuator and the like, can be closed quickly, blocks shock waves outside, can save energy, and can adapt to the environment without a power supply or an air source; the size of the shock wave can be measured and calculated according to the stretching and shrinking lengths of the spring or by additionally arranging a sensing device;
4. after the shock wave passes and the pressure difference is reduced, the valve leaf automatically resets under the action of the spring to recover normal ventilation;
5. the invention has a bidirectional grating, which can resist the impact of flying objects on two sides to protect the internal structure of the valve body.
6. The function of the invention for resisting the bidirectional shock wave is not influenced by the damage of the valve blade on one side.
7. The two-way shock wave resistant valve provided by the invention is not fixed in structure form, and can be equivalently replaced as long as the working requirement of the valve is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic front view of a bi-directional shock wave valve according to the present invention;
FIG. 2 is a schematic top view of a bi-directional shock wave valve according to the present invention;
FIG. 3 is a schematic side view of a bi-directional shock wave valve according to the present invention;
FIG. 4 is a schematic cross-sectional view of a bi-directional shock wave valve according to the present invention;
FIG. 5 is a schematic view of the normal venting, shockwave direction of the bi-directional shockwave valve of the present invention;
FIG. 6 is a schematic view of a closed state of a bi-directional shock wave resistant valve vane of the present invention;
fig. 7 shows a pressing sealing strip at one end of a valve vane of the bidirectional shock wave resistant valve.
Wherein: 1-valve body, 2-grid, 3-valve leaf, 4-valve leaf baffle, 5-rotating shaft, 6-valve leaf sealing frame, 7-valve leaf sealing strip, 8-side frame sealing frame, 9-side frame sealing strip, 10-sleeve, 11-spring, 12-connecting rod, 13-hook, 14-connecting piece and 15-fixing block.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
The existing one-way shock wave resisting valve with large ventilation volume in the market cannot adapt to the environment of two-way shock waves, and the valve capable of resisting the shock waves in two directions has small ventilation volume, so that the two-way shock wave resisting valve with strong ventilation capacity in unit area needs to be provided urgently.
FIG. 1 is a schematic front view of a bi-directional shock wave valve according to the present invention; FIG. 2 is a schematic top view of a bi-directional shock wave valve according to the present invention; FIG. 3 is a schematic side view of a bi-directional shock wave valve according to the present invention; FIG. 4 is a schematic cross-sectional view of a bi-directional shock wave valve according to the present invention; FIG. 5 is a schematic view of the normal venting and shockwave directions of the bi-directional shockwave valve of the present invention; FIG. 6 is a schematic view of a closed state of a bi-directional shock wave resistant valve vane of the present invention; fig. 7 shows a pressing sealing strip at one end of a valve vane of the bidirectional shock wave resistant valve.
Referring to fig. 1-4, the two-way anti-shock wave valve provided in this embodiment includes a valve body 1, a connecting arm, a connecting rod 12, a bracket, a rotating shaft 5 and a valve leaf 3;
the valve body 1 is provided with an inner cavity;
the connecting arms are oppositely arranged on two sides of the valve body 1;
the connecting rods 12 are respectively vertically arranged at two sides of the valve body 1 and are movably connected with the connecting arms through connecting pieces 14;
at least two groups of brackets are arranged in the inner cavity in parallel;
each group of brackets comprises two side brackets which are respectively arranged on the side wall of the inner cavity in a relatively parallel manner, and each side bracket is provided with an opening and an accommodating groove adjacent to the opening;
the rotating shaft 5 is horizontally arranged in the inner cavity, two ends of the rotating shaft 5 are respectively accommodated in the accommodating grooves, and one end of the rotating shaft 5 penetrates through the side wall of the valve body 1 and is connected with the connecting arm;
the valve leaf 3 is fixedly connected to the rotating shaft 5, the valve leaf can move towards the opening under the action of external force, and the rotating directions of the valve leaves on the two groups of supports are consistent.
Further, the valve body 1 is a rectangular shell, ventilation holes are respectively formed in two opposite sides of the rectangular shell, and the ventilation holes are communicated with the inner cavity.
Further, the connecting arm comprises a combination of a plurality of sleeves 10, springs 11, hooks 13 and fixing blocks 15;
the rotating shaft 5 is fixedly connected with the sleeve 10, the connecting rod 12 is movably connected with the sleeve 10 through a connecting piece 14, and the valve leaf 3, the rotating shaft 5, the sleeve 10 and the connecting rod 12 are linked together;
one end of the spring 11 is connected with the connecting piece 14, the other end of the spring is connected with the hook 13, and the hook 13 is connected with the fixed block 15;
further, the fixing blocks 15 are fixedly installed on the outer surface of the side wall of the valve body 1 and correspond to the hooks 13 one to one.
The axial direction of the connecting rod 12 is parallel to the rectangular housing side wall.
The side bracket comprises a valve leaf sealing bracket 6 and a side frame sealing bracket 8;
the valve leaf sealing frame 6 is a concave sealing frame, one concave side of the valve leaf sealing frame is fixed on the side wall of the inner cavity of the valve body 1, and the central groove of the concave sealing frame is the accommodating groove;
the side frame sealing support 8 is in a long strip shape, is vertically arranged on the side wall of the inner cavity of the valve body 1 and is tightly attached to the valve leaf 3 in a closed state;
the valve leaf sealing frame 6 and the side frame sealing support 8 are sequentially connected at intervals;
the side bracket is also provided with a sealing strip;
the sealing strips comprise valve leaf sealing strips 7 and side frame sealing strips 9;
the valve leaf sealing strip 7 is installed on the valve leaf sealing frame 6, and the side frame sealing strip 9 is installed on the side frame sealing frame 8.
The rotating shaft 5 corresponds to the accommodating grooves one to one
The valve leaf 3 is the rectangle blade, the long limit one side of rectangle blade with pivot 5 links to each other, valve leaf 3 is in 1 inner chamber parallel arrangement of valve body has a plurality ofly.
Still include valve leaf baffle 4, valve leaf baffle 4 install in 1 inner chamber lateral wall of valve body, its set up the direction with 5 axial direction of pivot are parallel, and the mounted position with 5 horizontal direction of pivot are 45 contained angles.
The two sides of the valve body 1, which are provided with the vent holes, are provided with grilles 2.
Referring to fig. 4-7, the valve leaf 3 of the two-way anti-shockwave valve provided by the present invention is in an open state in a normal state, as shown in fig. 4, the valve leaf 3 can maintain a certain opening angle under the action of the valve leaf baffle 4, and can also prevent the valve leaf 3 from over-rotating; when the two-way anti-shock wave valve is in a working state, as shown in fig. 7, the valve leaf 3 is closed under the action of shock waves, and after the valve leaf 3 is closed, the valve leaf sealing strip 7 on the valve leaf sealing frame 6 and the side frame sealing strip 9 on the side frame sealing support 8 are in close contact, so that the sealing effect is achieved.
Referring to fig. 5, the present invention can realize the functions of bidirectional ventilation and bidirectional shock wave resistance, and the working principle thereof is as follows:
under the action of shock waves, the valve leaf 3 is forcibly closed by the shock waves to drive the rotating shaft 5 to rotate, so that the sleeve 10 rotates by taking the rotating shaft 5 as a center, the connecting rod 12 is driven to move vertically upwards, the spring 11 is in a stretching state, a vertical downward component force is provided for the connecting rod 12, when the shock waves are gradually reduced, the pressure of the valve leaf 3 is reduced, when the vertical upward traction force given to the connecting rod 12 by the pressure of the valve leaf is smaller than the vertical downward component force given to the connecting rod by the spring, the connecting rod 12 moves vertically downwards, the valve leaf 3 is gradually opened to be in a ventilation state, the tail end of the hook 13 is provided with a nut, and the stretching of the spring 11 can be realized by screwing or.
FIG. 6 is a schematic diagram showing a closed state of a two-way shock wave resistant valve vane:
when shock waves exist on the left side, the left valve leaf 3 of the bidirectional shock wave resistant valve is instantly closed under the action of the shock waves, and the valve leaf 3 and the left sealing strip 7 are tightly pressed with the frame sealing strip 9, so that the functions of shock wave resistance and sealing are realized;
when shock waves exist on the right side, the right valve leaf 3 of the bidirectional shock wave resistant valve is instantly closed under the action of the shock waves, and the valve leaf 3 and the right sealing strip 7 are tightly pressed with the frame sealing strip 9, so that the functions of shock wave resistance and sealing are realized;
when shock waves exist on two sides, the valve vanes 3 on two sides of the two-way shock wave resisting valve are instantly closed and are tightly pressed with the sealing strips 7 on two sides and the sealing strips 9 on the frame, so that the functions of resisting the shock waves and sealing are realized.
Fig. 7 is a schematic diagram showing that when the bidirectional shock wave resistant valve vane is closed, the valve vane contacts and compresses the sealing strip, when a shock wave comes, the valve vane 3 rapidly rotates around the rotating shaft 5, contacts the sealing strip 7 and the frame sealing strip 9, and compresses under the action of an external shock wave to realize a sealing function.
The vent hole of the valve provided by the invention is provided with the grating, so that foreign matters flying to the valve body under the action of external force can be resisted, and the function of protecting the internal structure of the valve body is achieved.
The two-way shock wave resistant valve provided by the invention has a flexible structure and a simple and clear principle, so that the structure of the two-way shock wave resistant valve has high replaceability, and the derived structural forms of the two-way shock wave resistant valve are also various.
The bidirectional shock wave resisting valve disclosed by the invention uses the spring 11 as a reset power source, does not need to be driven by an electric element, is purely mechanically moved, saves energy, and is safe and reliable, and under the environment with shock wave pressure, the greater the pressure given by the shock wave, the tighter the joint between the valve blade 3 and the sealing device is.
The two-way anti-shock wave valve provided by the invention has great replaceability of components, and equivalent elements can be used for replacement as long as the working principle and the use requirements are met.
For example, the flap baffle 4 can be replaced by a flap stopper, which can be fixed on the sidewall of the valve body 1 in the same way as the installation manner of the rotating shaft, or a stopper can be arranged on any side of the sidewall of the valve body, so long as the flap stopper plays a role in keeping a certain opening angle without rotating excessively, the flap stopper can be changed at will;
the structural forms of the valve leaf 3 and the hook 13 are not limited; the fixing blocks 15 can also be replaced by fixing rods penetrating through two opposite side walls of the valve body.
Therefore, the valve provided by the invention is convenient to maintain, high in practicability, capable of being produced in a large scale and standardized.
Moreover, the two-way shock wave resistant valve provided by the invention can be used as a one-way shock wave resistant valve by replacing the valve leaf 3.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications and variations may be made therein by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A two-way shock wave resistant valve characterized in that: comprises a valve body (1), a connecting arm, a connecting rod (12), a bracket, a rotating shaft (5) and a valve leaf (3);
the valve body (1) is provided with an inner cavity;
the connecting arms are oppositely arranged on two sides of the valve body (1);
the connecting rods (12) are respectively vertically arranged on two sides of the valve body (1) and are movably connected with the connecting arms through connecting pieces (14);
at least two groups of brackets are arranged in the inner cavity in parallel;
each group of brackets comprises two side brackets which are respectively arranged on the side wall of the inner cavity in a relatively parallel manner, and each side bracket is provided with an opening and an accommodating groove adjacent to the opening;
the rotating shaft (5) is horizontally arranged in the inner cavity, two ends of the rotating shaft (5) are respectively accommodated in the accommodating grooves, and one end of the rotating shaft (5) penetrates through the side wall of the valve body (1) and is connected with the connecting arm;
the valve leaf (3) is fixedly connected to the rotating shaft (5), the valve leaf can move towards the opening under the action of external force, and the rotating directions of the valve leaf on the two groups of supports are consistent.
2. The bi-directional shock wave valve of claim 1, wherein: the valve body (1) is a rectangular shell, ventilation holes are formed in two opposite sides of the rectangular shell respectively, and the ventilation holes are communicated with the inner cavity.
3. The bi-directional shock wave valve of claim 1, wherein: the connecting arm comprises a combination of a plurality of sleeves (10), springs (11), hooks (13) and fixing blocks (15);
the rotating shaft (5) is fixedly connected with the sleeve (10), the connecting rod (12) is movably connected with the sleeve (10) through a connecting piece (14), and the valve leaf (3), the rotating shaft (5), the sleeve (10) and the connecting rod (12) are linked together;
one end of the spring (11) is connected with the connecting piece (14), the other end of the spring is connected with the hook hand (13), and the hook hand (13) is connected with the fixing block (15);
the fixing blocks (15) are fixedly installed on the outer surface of the side wall of the valve body (1) and correspond to the hooks (13) one by one.
4. The bi-directional shock wave valve of claim 1, wherein: the axial direction of the connecting rod (12) is parallel to the side wall of the rectangular shell.
5. The bi-directional shock wave valve of claim 1, wherein: the side support comprises a valve leaf sealing frame (6) and a side frame sealing support (8);
the valve leaf sealing frame (6) is a concave sealing frame, one concave side of the valve leaf sealing frame is fixed on the side wall of the inner cavity of the valve body (1), and the central groove of the concave sealing frame is the accommodating groove;
the side frame sealing support (8) is in a long strip shape, is vertically arranged on the side wall of the inner cavity of the valve body (1), and is tightly attached to the valve leaf (3) in a closed state;
the valve leaf sealing frame (6) and the side frame sealing support (8) are sequentially connected at intervals.
6. The bi-directional shock wave valve of claim 5, wherein: the side bracket is also provided with a sealing strip;
the sealing strips comprise valve leaf sealing strips (7) and side frame sealing strips (9);
the valve leaf sealing strip (7) is installed on the valve leaf sealing frame (6), and the side frame sealing strip (9) is installed on the side frame sealing frame (8).
7. The bi-directional shock wave valve of claim 1, wherein: the rotating shafts (5) correspond to the accommodating grooves one to one.
8. The bi-directional shock wave valve of claim 1, wherein: the valve leaf (3) is a rectangular blade, one side of the long edge of the rectangular blade is connected with the rotating shaft (5), and the valve leaf (3) is arranged in the inner cavity of the valve body (1) in parallel.
9. The bi-directional shock wave valve of claim 1, wherein: still include valve leaf baffle (4), valve leaf baffle (4) install in valve body (1) inner chamber lateral wall, its set up the direction with pivot (5) axial direction is parallel, and mounted position with pivot (5) horizontal direction is 45 contained angles.
10. The bi-directional shock wave valve of claim 1, wherein: the two sides of the valve body (1) provided with the vent holes are provided with grids (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917828.6A CN110715086A (en) | 2019-09-26 | 2019-09-26 | Two-way shock wave resisting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917828.6A CN110715086A (en) | 2019-09-26 | 2019-09-26 | Two-way shock wave resisting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110715086A true CN110715086A (en) | 2020-01-21 |
Family
ID=69210964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910917828.6A Pending CN110715086A (en) | 2019-09-26 | 2019-09-26 | Two-way shock wave resisting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110715086A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757393A (en) * | 2020-06-03 | 2021-12-07 | 约克广州空调冷冻设备有限公司 | Protective valve |
| CN114165608A (en) * | 2021-12-17 | 2022-03-11 | 浙江上风高科专风实业股份有限公司 | Double-row valve shaft bidirectional reciprocating shock wave resistant valve and machining process |
| CN114226853A (en) * | 2021-12-16 | 2022-03-25 | 浙江上风高科专风实业股份有限公司 | Double-row valve shaft shock wave resistant valve and machining equipment thereof |
| EP4071423A1 (en) * | 2021-04-07 | 2022-10-12 | VG Innovations S.à r.l. | Blast damper |
| EP4071422A1 (en) * | 2021-04-07 | 2022-10-12 | VG Innovations S.à r.l. | Blast damper |
-
2019
- 2019-09-26 CN CN201910917828.6A patent/CN110715086A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757393A (en) * | 2020-06-03 | 2021-12-07 | 约克广州空调冷冻设备有限公司 | Protective valve |
| CN113757393B (en) * | 2020-06-03 | 2023-10-10 | 约克广州空调冷冻设备有限公司 | Protective valve |
| EP4071423A1 (en) * | 2021-04-07 | 2022-10-12 | VG Innovations S.à r.l. | Blast damper |
| EP4071422A1 (en) * | 2021-04-07 | 2022-10-12 | VG Innovations S.à r.l. | Blast damper |
| CN114226853A (en) * | 2021-12-16 | 2022-03-25 | 浙江上风高科专风实业股份有限公司 | Double-row valve shaft shock wave resistant valve and machining equipment thereof |
| CN114165608A (en) * | 2021-12-17 | 2022-03-11 | 浙江上风高科专风实业股份有限公司 | Double-row valve shaft bidirectional reciprocating shock wave resistant valve and machining process |
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Address after: 224000 Xikang Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province Applicant after: Jiangsu juege Industry Group Co.,Ltd. Address before: 224199 pump valve industrial park, Dafeng Economic Development Zone, Dafeng District, Yancheng City, Jiangsu Province Applicant before: JIANGSU DRAGON INDUSTRIAL EQUIPMENT Co.,Ltd. |