CN210240699U - Antiknock valve - Google Patents
Antiknock valve Download PDFInfo
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- CN210240699U CN210240699U CN201920924591.XU CN201920924591U CN210240699U CN 210240699 U CN210240699 U CN 210240699U CN 201920924591 U CN201920924591 U CN 201920924591U CN 210240699 U CN210240699 U CN 210240699U
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- valve
- leaf
- cavity
- antiknock
- springs
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Abstract
The utility model provides an antiknock valve, it includes: the valve body is provided with a valve cavity and two valve ports positioned on two opposite side faces of the valve cavity, and two long side walls connecting the two valve ports on the valve cavity are convex arc-shaped walls; the valve leaf is arranged in the valve cavity in a sliding mode, and the outer surfaces of two sides, opposite to two long side walls of the valve cavity, of the valve leaf are arc-shaped; and the two groups of springs are respectively positioned between the valve leaf and the two valve ports, and the valve leaf is positioned in the middle of the valve cavity so as to enable the two valve ports to be communicated. The anti-explosion valve of the utility model can be anti-explosion and reset in two directions, when receiving impact force, the impact force acts on the valve leaf to compress one group of springs and moves to the corresponding valve port, so that the valve leaf seals the valve port; when the impact force disappears, the valve leaf is reset to the middle part of the valve cavity under the action of the spring, so that the two valve ports are communicated.
Description
Technical Field
The utility model relates to a valve body structure especially relates to an antiknock valve.
Background
Anti-blast valves are normally installed on the external walls of the protected building and normally act as ventilation inlets or outlets, and are automatically adjusted or closed in response to overpressure when a destructive blast shock wave arrives, blocking damage to the interior of the building from the blast shock wave.
The existing antiknock valve has the following application numbers: 200920148353.0 discloses an antiknock valve, wherein the surface of the valve body is provided with an air outlet, the valve body is internally provided with a bottom plate, the bottom plate is provided with a slide block, and the slide block is elastically connected with the bottom plate. The antiknock valve of this kind of structure simple structure, the function is single, can only play the guard action to the malleation stage of shock wave, and needs the manual work to reset.
Therefore, an anti-knock valve capable of bidirectional anti-knock, bidirectional reset and bidirectional ventilation is needed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide an antiknock valve for solving the problem that the antiknock valve cannot be bidirectionally antiknock and bidirectionally ventilate in the prior art.
To achieve the above and other related objects, the present invention provides an antiknock valve, which includes:
the valve body is provided with a valve cavity and two valve ports positioned on two opposite side faces of the valve cavity, and two long side walls connecting the two valve ports on the valve cavity are convex arc-shaped walls;
and a valve leaf and two groups of springs which are arranged in the valve cavity,
the valve leaf is arranged in a sliding mode, and the outer surfaces of two sides, opposite to the two long side walls of the valve cavity, of the valve leaf are arc-shaped;
two groups of springs are respectively positioned between the valve leaf and the two valve ports, the valve leaf is positioned in the middle of the valve cavity, and a ventilation channel is formed between the outer surfaces of the two sides of the valve leaf and the two long side walls of the valve cavity so as to enable the two valve ports to be communicated;
when the anti-explosion valve is subjected to impact force, the impact force acts on the valve leaf to compress one group of springs and moves towards the corresponding valve port, so that the valve leaf blocks the valve port; when the impact force disappears, the valve leaf is reset to the middle part of the valve cavity under the action of the spring, so that the two valve ports are communicated.
Preferably, the cross sections of the valve cavity and the valve blade are oval.
Preferably, the valve body and the valve leaf are both made of aluminum alloy extruded sections.
Preferably, a sliding rod perpendicular to the valve port is arranged in the valve body, the valve leaf is slidably arranged on the sliding rod in a penetrating mode, and the two groups of springs are arranged at two ends of the sliding rod in a penetrating mode respectively.
Preferably, the valve body comprises a valve main body and an end cover plate, the valve main body and the end cover plate enclose the valve cavity, the valve main body is made of aluminum alloy extruded sections, a supporting block is arranged on the valve main body, and the end part of the sliding rod is fixed on the supporting block.
Preferably, two valve cavities which are parallel to each other are arranged in the valve body, and the valve leaf and the two groups of springs are arranged in each valve cavity.
Preferably, the valve leaf is of a hollow structure, and reinforcing ribs are arranged in the valve leaf.
As mentioned above, the utility model discloses an antiknock valve has following beneficial effect: under the normal ventilation state, the valve leaf is positioned in the middle of the valve cavity under the elastic force of the two groups of springs, the anti-explosion valve is in an open state, wind flow can pass through the valve port from any direction, the two-way ventilation is realized, and the inner side wall of the valve cavity is also in a smooth arc shape due to the fact that the outer surface of the valve leaf is in the smooth arc shape, so that the wind resistance during normal ventilation is greatly reduced, and the ventilation quantity is favorably improved; when shock waves come, the pressure of the shock waves is far greater than the elastic force of the spring, the valve leaf is forced to move to one side of the valve body under the action of the shock waves, the valve port on one side of the valve body is blocked, the anti-explosion valve is closed, and the shock waves are prevented from passing through; after the shock wave disappears, the valve leaf is restored to the middle position of the valve body under the action of the elastic force of the spring, namely, the valve leaf returns to the ventilation state; because the valve body is of a symmetrical structure, the valve blade can freely run and close in two directions, so that the antiknock valve has the functions of bidirectional antiknock and bidirectional ventilation.
Drawings
Fig. 1 shows an explosion diagram of the antiknock valve of the present invention.
Fig. 2 is a top view of the antiknock valve of the present invention.
Fig. 3 shows a cross-sectional view of the antiknock valve of the present invention.
Fig. 4 shows a side view of the antiknock valve of the present invention.
Fig. 5 shows a schematic view of the positive ventilation of the antiknock valve of the present invention.
Fig. 6 shows the reverse ventilation schematic diagram of the antiknock valve of the present invention.
Fig. 7 shows the closing state of the antiknock valve under positive pressure of shock wave.
Fig. 8 shows the closing state of the antiknock valve under the negative pressure of the shock wave.
Description of the element reference numerals
1 valve body
2 valve leaf
3 support block
4 sliding rod
5 spring
6 end cover plate
7 screw
11 valve port
100 valve cavity
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 8. It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
For convenience of description, the direction of the valve body penetrating through the two valve ports, namely the air flow direction, is called the up-down direction, and the section formed along the up-down direction is called the cross section of the antiknock valve; the length direction of the valve cavity is called as the front-back direction, and the width direction of the valve cavity is called as the left-right direction.
As shown in fig. 1 to 4, the utility model provides an antiknock valve, it includes:
the valve body is provided with a valve cavity 100 and two valve ports 11 positioned on two opposite side faces of the valve cavity 100, wherein the valve cavity 100 is connected with two long side walls (the left side wall and the right side wall of the valve cavity 100 shown in figure 3) of the two valve ports 11 and is an arc-shaped wall which protrudes outwards;
and a valve leaf 2 and two sets of springs 5 disposed in the valve cavity 100,
the valve leaf 2 is arranged in a sliding manner, and the outer surfaces of two sides (namely the left outer surface and the right outer surface of the valve leaf 2) of the valve leaf 2, which are opposite to two long side walls of the valve cavity 100, are arc-shaped;
the two groups of springs 5 are respectively positioned between the valve leaf 2 and the two valve ports 11, the two groups of springs 5 jointly act to position the valve leaf 2 in the middle of the valve cavity 100, and a ventilation channel is formed between the outer surfaces of the two sides of the valve leaf 2 and the two long side walls of the valve cavity 100 so as to enable the two valve ports 11 to be communicated;
when the antiknock valve is subjected to impact force, the impact force acts on the valve leaf 2 to compress one group of the springs 5 and moves towards the position corresponding to the valve port 11, so that the valve leaf 2 blocks the valve port 11; when the impact force disappears, the valve leaf 2 is reset to the middle part of the valve cavity 100 under the action of the spring 5, so that the two valve ports 11 are communicated.
The utility model discloses a valve body it is symmetrical structure on ventilation direction, and under the normal ventilation state, valve leaf 2 is at the elasticity of two sets of springs 5
The anti-explosion valve is positioned in the middle of the valve cavity 100 under the action, the anti-explosion valve is in an open state, wind flow can pass through the valve port 11 from any direction, two-way ventilation is realized, and the outer surface of the valve blade 2 is in a smooth arc shape, so that the long side wall of the valve cavity 100 is also in a smooth arc shape, the wind resistance during normal ventilation is greatly reduced, and the ventilation quantity is favorably improved; when shock waves come, the pressure of the shock waves is far greater than the elastic force of the spring 5, so that the valve leaf 2 is forced to move to one side of the valve body under the action of the shock waves, the valve port 11 on one side of the valve body is blocked, the anti-explosion valve is closed, and the shock waves are prevented from passing through; after the shock wave disappears, the valve leaf 2 is restored to the middle position of the valve body under the action of the elastic force of the spring 5, namely, the valve leaf returns to the ventilation state.
The valve body in this embodiment includes a valve body 1 and an end cover plate 6, and the valve body 1 and the end cover plate 6 enclose the valve cavity 100. In this embodiment, the valve body 1 and the valve vane 2 are both made of an aluminum alloy extruded profile. The valve body 1 and the valve leaf 2 are made by adopting an integral extrusion process, so that the structural rigidity and strength of the valve body and the valve leaf are ensured; meanwhile, the aluminum alloy has the advantages of light weight, corrosion resistance and the like, the light weight ensures that the valve blade 2 can be quickly closed during explosion, and the closing time is shortened, so that the protection of pipelines and equipment behind the valve is facilitated; generally, the field environment which is easy to explode is severe, corrosive gas is more, the corrosion prevention requirement on equipment is higher, and the corrosion prevention effect of the aluminum alloy adopted by the method is better than that of other materials.
In the present embodiment, the valve body 1 is manufactured by an integral extrusion process, the end cover plates 6 are fixed at two ends of the valve body 1 by screws 7, so as to form the elongated valve cavity 100, and left and right side walls (i.e. the two long side walls) of the valve cavity 100 are smooth circular arc walls, which reduces ventilation resistance. In this embodiment, the outer surfaces of the left and right sides of the valve vane 2 are smooth arc surfaces, so that an arc-shaped ventilation channel can be formed between the valve vane 2 and the side wall of the valve cavity 100, and the ventilation channel is convenient for ventilation.
In order to realize the sliding and resetting of the valve leaf 2, in the embodiment, a sliding rod 4 perpendicular to the valve port 11 is arranged in the valve body, the valve leaf 2 is slidably arranged on the sliding rod 4 in a penetrating manner, and two groups of springs 5 are respectively arranged at two ends of the sliding rod 4 in a penetrating manner. In order to install the sliding rod 4, the valve body is provided with the supporting block 3, the end of the sliding rod 4 is connected with the supporting block 3, the supporting block 3 is convenient to install the sliding rod 4 and the spring 5, and the spring 5 is limited to realize the reset of the valve leaf.
As shown in fig. 3, the cross-section of the valve cavity 100 and the valve vane 2 is preferably elliptical or elliptical-like in this embodiment. In the cross section of the valve body 1 in the present embodiment, the valve port 11 is obtained by a partial cavity wall opening belonging to the valve cavity 100 and is formed by extending to the outside of the valve cavity along the up-down direction; namely, the side of the valve port 11 connected with the valve cavity 100 is a partial cavity wall of the valve cavity 100. In the embodiment, tangential sealing is realized by designing the outer contour of the valve vane 2 and by the fact that the partial shape of the outer contour is the same as that of the valve port 11, namely, both sides of the valve port 11 in the width direction and both sides of the valve vane 2 in the width direction are cambered surfaces.
For better sealing, the junction of the valve port 11 and the valve cavity 100 in this embodiment is a partial sectional line of an ellipse, and the cross section of the valve vane 2 is an ellipse, so that the valve vane 2 is tangent to the junction of the valve port 11 and the valve cavity 100. The method specifically comprises the following steps: in the cross section of the valve body, the cavity wall of the joint of the valve cavity 100 and the valve port 11 is provided with an arc-shaped part, the valve leaf 2 is in an ellipse-like shape, the middle of the valve leaf is a straight line section, the two sides of the valve leaf are arc-shaped, the joint of the straight line section and the arc-shaped part is tangent to form line contact sealing, and the sealing performance is improved.
In this embodiment, for convenience of processing, the valve vane 2 is a hollow structure, and two reinforcing ribs are arranged in the valve vane 2. In this embodiment, the valve leaf 2 is symmetrical about the axis of the sliding rod 4, the middle of the cross section of the valve leaf is a square formed by two reinforcing ribs and an outer contour, two sides of the cross section of the valve leaf are D-shaped formed by the reinforcing ribs and the outer contour, and the contour surface of the cross section of the valve leaf is a smooth surface. In the embodiment, the cross section of the valve vane 2 is designed to be in sealing fit with the valve port.
Referring to fig. 1 and 3, in the present embodiment, two valve cavities 100 parallel to each other are disposed in the valve body 1, and the two valve cavities 100 have the same structure, and each valve cavity 100 is disposed in the valve leaf 11 and the two sets of springs 5. In this embodiment, the valve main body is manufactured by an integral extrusion process, so that two independent valve cavities 100 are formed, and the side wall of each valve cavity in the length direction is an outward convex arc wall, which is convenient for ventilation.
Under the normal ventilation state, the valve leaf 2 is located in the middle of the valve cavity 100 under the elastic force of the two groups of springs 5, the antiknock valve is in an open state, as shown in fig. 5, the antiknock valve is in a positive ventilation state, namely, wind can flow in from the valve port 11 above, and flows out from the valve port 11 below through a ventilation channel formed between the valve leaf 2 and the cavity wall of the valve cavity 100; fig. 6 shows reverse ventilation, that is, wind can flow in from the lower valve port 11, and flow out from the upper valve port 11 through the ventilation channel formed between the valve vane 2 and the cavity wall of the valve cavity 100. In addition, because the left side of valve leaf 2 is the arcwall face, the lateral wall is the arc wall about the valve pocket 100, consequently greatly reduced the windage when normal open air, is favorable to the promotion of air volume.
As shown in fig. 7, when a shock wave is generated in the forward direction, for example, when a shock wave is generated above the valve body, the pressure of the shock wave is greater than the elastic force of the spring 5, which drives the valve leaf 2 to move downward, so that the valve leaf 2 is blocked at the valve port 11 below, and the shock wave is prevented from entering the space below through the valve port.
As shown in fig. 8, when a shock wave is generated in a reverse direction, for example, when a shock wave is generated below the valve body, the pressure of the shock wave is greater than the elastic force of the spring 5, which drives the valve leaf 2 to move upward, so that the valve leaf 2 is blocked at the upper valve port 11, and the shock wave is prevented from entering the upper space through the valve port.
To sum up, the utility model discloses an antiknock valve can two-way ventilation, two-way antiknock. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. An antiknock valve, comprising:
the valve body is provided with a valve cavity and two valve ports positioned on two opposite side faces of the valve cavity, and two long side walls connecting the two valve ports on the valve cavity are convex arc-shaped walls;
and a valve leaf and two groups of springs which are arranged in the valve cavity,
the valve leaf is arranged in a sliding mode, and the outer surfaces of two sides, opposite to the two long side walls of the valve cavity, of the valve leaf are arc-shaped;
the two groups of springs are respectively positioned between the valve leaf and the two valve ports, and the two groups of springs jointly act to position the valve leaf in the middle of the valve cavity so as to enable the two valve ports to be communicated;
when the anti-explosion valve is subjected to impact force, the impact force acts on the valve leaf to compress one group of springs and moves towards the corresponding valve port, so that the valve leaf blocks the valve port; when the impact force disappears, the valve leaf is reset to the middle part of the valve cavity under the action of the spring, so that the two valve ports are communicated.
2. The antiknock valve of claim 1, wherein: the cross sections of the valve cavity and the valve blade are both oval.
3. The antiknock valve of claim 1, wherein: the valve body and the valve leaf are both made of aluminum alloy extruded sections.
4. The antiknock valve of claim 1, wherein: the valve body is internally provided with a sliding rod which is vertical to the valve port, the valve leaf is slidably arranged on the sliding rod in a penetrating way, and the two groups of springs are respectively arranged at two ends of the sliding rod in a penetrating way.
5. The antiknock valve of claim 4, wherein: the valve body comprises a valve main body and an end cover plate, the valve main body and the end cover plate enclose the valve cavity, the valve main body is made of aluminum alloy extruded sections, a supporting block is arranged on the valve main body, and the end part of the sliding rod is fixed on the supporting block.
6. The antiknock valve of claim 1, wherein: the valve body is internally provided with two valve cavities which are parallel to each other, and each valve cavity is internally provided with the valve leaf and the two groups of springs.
7. The antiknock valve of claim 1, wherein: the valve leaf is hollow structure, is equipped with the strengthening rib in the valve leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924591.XU CN210240699U (en) | 2019-06-19 | 2019-06-19 | Antiknock valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924591.XU CN210240699U (en) | 2019-06-19 | 2019-06-19 | Antiknock valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210240699U true CN210240699U (en) | 2020-04-03 |
Family
ID=69986432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920924591.XU Ceased CN210240699U (en) | 2019-06-19 | 2019-06-19 | Antiknock valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210240699U (en) |
-
2019
- 2019-06-19 CN CN201920924591.XU patent/CN210240699U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200519 Address after: 224000 Building 1, south side of Xinhe Road, valve industrial park, Dafeng Development Zone, Yancheng City, Jiangsu Province Patentee after: Jiangsu juege safety equipment Co., Ltd Address before: 224199 Yancheng City Dafeng Economic Development Zone, Jiangsu (six groups of Changan village, Dafeng District) Patentee before: JIANGSU DRAGON INDUSTRIAL EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210120 Address after: 224199 Xikang Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: JIANGSU DRAGON INDUSTRIAL EQUIPMENT Co.,Ltd. Address before: 224000 Building 1, south of Xinhe Road, valve industrial park, Dafeng District, Yancheng City, Jiangsu Province Patentee before: Jiangsu juege safety equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20210706 Decision number of declaring invalidation: 50799 Granted publication date: 20200403 |
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| IW01 | Full invalidation of patent right |