CN213361229U - Antiknock valve - Google Patents
Antiknock valve Download PDFInfo
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- CN213361229U CN213361229U CN202022297301.9U CN202022297301U CN213361229U CN 213361229 U CN213361229 U CN 213361229U CN 202022297301 U CN202022297301 U CN 202022297301U CN 213361229 U CN213361229 U CN 213361229U
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- valve
- special
- leaf
- shaped spring
- valve leaf
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Abstract
本实用新型提供一种抗爆阀，包括阀体和滑动置于阀体内的阀叶，其还包括两组复位机构，两组复位机构分别置于阀叶两端且与阀体固定，所述复位机构包括异形弹簧，所述异形弹簧的中间段为与阀体固定相连的固定段，所述异形弹簧的两端为伸入所述阀叶中的支撑部，且两个支撑部关于所述阀叶的中心截面对称分布。本实用新型使阀叶固定平稳，不会发生左右晃动或颤动，提高了阀叶关闭的严密性。
The utility model provides an anti-explosion valve, comprising a valve body and a valve leaf slidably placed in the valve body, and further comprising two sets of reset mechanisms, and the two sets of reset mechanisms are respectively arranged at both ends of the valve leaf and fixed with the valve body. The reset mechanism includes a special-shaped spring, the middle section of the special-shaped spring is a fixed section that is fixedly connected with the valve body, the two ends of the special-shaped spring are support parts extending into the valve leaf, and the two support parts are about the The central section of the valve leaf is symmetrically distributed. The utility model enables the valve leaf to be fixed stably without swaying or vibrating from side to side, thereby improving the tightness of valve leaf closing.
Description
Technical Field
The utility model relates to a valve body structure especially relates to an antiknock valve.
Background
At present, springs used for a reset mechanism of an anti-explosion valve mainly adopt cylindrical spiral compression springs or extension springs. For example, as shown in fig. 1, a sliding rod 12 perpendicular to the valve ports is disposed in a valve body 11, a valve leaf 14 is slidably disposed on the sliding rod 12, two sets of springs 13 are respectively disposed at two ends of the sliding rod 12, i.e., between the valve leaf 14 and the two valve ports, and the valve leaf 14 is positioned in the middle of the valve cavity to communicate the two valve ports. The reset mechanism formed by the slide rod and the cylindrical spiral compression spring ensures that the antiknock valve has certain limitation, and specifically comprises the following components:
(1) the spring supporting structure (i.e. the sliding rod) is arranged at the center of the valve leaf, and the valve leaf can sway or vibrate left and right under the action of wind during ventilation, and the vibration can bring uncertain factors to the normal closing of the valve leaf, and can cause the valve leaf to be closed untightly. In addition, the vibration can cause the valve leaf to continuously collide with the sliding rod to make a sound;
(2) a gap with small space is formed between every two adjacent spirals of the cylindrical spiral spring, dust and lint are easily accumulated in the gap, and after the anti-explosion valve is used for a period of time in a ventilating mode, a large amount of dust and lint can be accumulated on the cylindrical spiral spring, so that the spring cannot be normally compressed, and a valve leaf is not closed tightly.
Therefore, there is a need for an antiknock valve that ensures that the valve leaflets close properly and close tightly.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, an object of the present invention is to provide an antiknock valve for solving the problem that the reset mechanism of the antiknock valve in the prior art is easy to deposit dust to affect the closing.
For realizing above-mentioned purpose and other relevant purpose, the utility model provides an antiknock valve, arrange the valve leaf in the valve body in including valve body and slip, it still includes two sets of canceling release mechanical systems, and two sets of canceling release mechanical systems arrange the valve leaf both ends respectively and fixed with the valve body in, canceling release mechanical system includes special-shaped spring, special-shaped spring's interlude is the fixed section that links to each other with the valve body is fixed, special-shaped spring's both ends are for stretching into supporting part in the valve leaf, and two supporting parts about the central cross-section symmetric distribution of valve leaf.
Preferably, the valve leaf is of a hollow structure, reinforcing ribs are arranged in the valve leaf, the reinforcing ribs divide an inner cavity of the valve leaf into a middle cavity and two side cavities, each group of the reset mechanisms comprises two special-shaped springs, a supporting part of one of the special-shaped springs extends into the middle cavity of the valve leaf, and two supporting parts of the other special-shaped spring extend into the two side cavities of the valve leaf respectively.
Preferably, the end of the support part is an annular support ring.
Preferably, two of said wire springs are oppositely mounted.
Preferably, the valve body comprises a main shell with openings at two ends and an end cover for closing the openings, the main shell is provided with two opposite valve ports parallel to the valve vanes, and the reset mechanism is fixed on the end cover.
Preferably, the reset mechanism further comprises a positioning plate, and the positioning plate and the end cover clamp the fixing section of the special-shaped spring and are fixed through a fixing bolt.
As mentioned above, the utility model discloses an antiknock valve has following beneficial effect: the valve body is fixed, the two ends of the valve leaf are provided with reset structures, the two ends of the special-shaped spring are provided with supporting parts extending into the valve leaf, the two supporting parts are symmetrically distributed about the central section of the valve leaf, and the two supporting parts symmetrically arranged on one side can enable the valve leaf to be stably fixed without left-right shaking or vibration; on the other hand, the special-shaped spring structure is not easy to accumulate dust, and the sliding process of the valve leaf cannot be directly influenced when the special-shaped spring structure is arranged at the two ends of the valve leaf, so that the closing tightness of the valve leaf is improved.
Drawings
Fig. 1 is a schematic view of a prior art antiknock valve.
Fig. 2 shows a schematic view of the antiknock valve of the present invention.
Fig. 3 is a cross-sectional view taken along line AA of fig. 2.
Fig. 4 is a cross-sectional view taken along line BB of fig. 2.
Fig. 5 is a schematic view of an embodiment of the return mechanism.
Fig. 6 shows a top view of the embodiment of fig. 5.
Fig. 7 shows a schematic view of an embodiment of a wire spring.
Description of the element reference numerals
1 valve body
2 valve leaf
3 sliding bar
4 special-shaped spring
41 first special-shaped spring
42 second contour spring
401 fixed segment
402 support part
403 support ring
5 positioning plate
6 end cap
7 fixing bolt
11 valve body
12 sliding rod
13 spring
14 valve leaf
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 7. 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, in the present specification, a flow direction of an air flow in ventilation of the antiknock valve is referred to as an up-down direction, a direction perpendicular to the up-down direction and identical to an extending direction of a valve port on the valve body is referred to as a longitudinal direction of the valve vane, and a direction perpendicular to the up-down direction and the longitudinal direction of the valve vane is referred to as a width direction of the valve vane.
As shown in fig. 2 to 7, the utility model provides an antiknock valve, which comprises a valve body 1 and a valve leaf 2 arranged in the valve body 1 in a sliding manner, wherein the valve body 1 is provided with opposite valve ports, and the valve leaf 2 is arranged in parallel with the valve ports; the valve leaf resetting mechanism comprises a valve leaf 2 and two resetting mechanisms, wherein the two resetting mechanisms are respectively arranged at two ends of the valve leaf 2 and fixed with the valve body 1, each resetting mechanism comprises a special-shaped spring 4, the middle section of each special-shaped spring 4 is a fixing section 401 fixedly connected with the valve body 1, two ends of each special-shaped spring are supporting parts 402 extending into the valve leaf 2, and the two supporting parts 402 are symmetrically distributed about the central section of the valve leaf 2 (the central section of the valve leaf 2 in the specification refers to a symmetrical central section perpendicular to the width direction of the valve leaf).
In the embodiment, the valve body 1 is fixed, the two ends of the valve leaf 2 are provided with the reset structures, the two ends of the special-shaped spring 4 are provided with the supporting parts 402 extending into the valve leaf 2, the two supporting parts 402 are symmetrically distributed about the central section of the valve leaf 1, and the two supporting parts 402 symmetrically arranged on one side can ensure that the valve leaf 1 is stably fixed and cannot shake or vibrate left and right; on the other hand, the structure of the special-shaped spring 4 is not easy to accumulate dust, and the sliding process of the valve leaf 2 cannot be directly influenced when the special-shaped spring is arranged at the two ends of the valve leaf 2, so that the closing tightness of the valve leaf is improved.
In the anti-explosion valve of the embodiment, under a normal ventilation state, the valve leaf 2 is positioned in the middle of the valve body, and two opposite valve ports on the valve body 1 are communicated; under the antiknock state, the valve leaf 2 moves to the top or the bottom of the valve body 1 under the action of shock waves and contacts with the valve body 1 to close the valve port, so that the antiknock effect is achieved. After the shock wave disappears, the valve leaf 2 returns to the initial position (the middle position of the valve body) under the elastic force action of the special-shaped spring 4, the valve port is opened, and the normal ventilation state is recovered.
In the anti-explosion valve in the embodiment, the sliding rod 3 is arranged in the anti-explosion valve, through holes penetrating through the sliding rod 3 are formed in two ends of the valve leaf 2, namely the valve leaf 2 slides along the sliding rod 3, and the sliding rod 3 is mainly used for limiting the movement direction of the valve leaf 2 and guiding the valve leaf 2 to move up and down. The valve body 1 and the valve leaf 2 are made of aluminum alloy extruded sections, and the structural rigidity and strength of the valve body 1 and the valve leaf 2 are ensured due to the adoption of the integral extrusion process; 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 air-conditioning pipeline and equipment behind the valve can be protected; the general explosion-prone field environment is severe, corrosive gas is more, the corrosion prevention requirement on equipment is higher, and the corrosion prevention effect of the aluminum alloy is better than that of steel.
The specific structure of the special-shaped spring in this embodiment may be: as shown in fig. 7, it is made by bending an elastic steel wire, the middle section of which forms a frame-shaped fixing section 401, and the supporting parts 402 at both ends form an angle with the frame shape, so as to form an elastic force for resetting the valve leaf 2. The end of the support part 402 is an annular support ring 403 for better supporting the valve vane 2. The shaped spring is not limited to this, and it only needs to be fixed with the valve body and have a support portion extending into the valve leaf to reset the valve leaf.
The valve body 1 of the embodiment comprises a main shell with openings at two ends and an end cover 6 for closing the openings, wherein two opposite valve ports parallel to the valve leaf 2 are arranged on the main shell, and a reset mechanism is fixed on the end cover 6; the detachable end cover is arranged, so that the resetting mechanism is convenient to install and position. In order to better fix the profile spring, as shown in fig. 3 to 6, the reset mechanism in this embodiment further includes a positioning plate 5, and the positioning plate 5 and the end cover 6 clamp the fixing section 402 of the profile spring 4 and are fixed by the fixing bolt 7.
For better smooth sliding of the valve leaf 2 and avoiding vibration, as shown in fig. 5 and 7, the valve leaf 2 of the present embodiment is a hollow structure, the valve leaf 2 is internally provided with a reinforcing rib, the reinforcing rib divides the inner cavity of the valve leaf into a middle cavity and two side cavities, each group of reset mechanisms includes two special-shaped springs, namely, a first special-shaped spring 41 and a second special-shaped spring 42, a supporting portion of one of the special-shaped springs (namely, the second special-shaped spring 42) extends into the middle cavity of the valve leaf 2, and two supporting portions of the other special-shaped spring (namely, the first special-shaped spring 41) respectively extend into the two side cavities of the valve leaf. In the embodiment, two special-shaped springs 4 are arranged at each end of the valve leaf, and each special-shaped spring 4 extends out of two feet (namely the supporting parts 402) for supporting the valve leaf 2, so that the four supporting parts 402 are uniformly distributed and supported at the two ends of the valve leaf 2, and the spring structure can ensure that the valve leaf 2 is stably fixed without left-right shaking or vibration; in addition, the spring structure is not easy to accumulate dust, and no spring ring is exposed in the sliding direction of the valve leaf, so that the tightness of closing the valve leaf can be ensured. To better reset the valve leaf, as shown in fig. 5 and 6, the two contour springs are installed in opposite directions in this embodiment, i.e., the supporting portions 402 of the first contour spring 41 and the second contour spring 42 are oriented in opposite directions, so as to facilitate the valve leaf to be reset in both directions.
The valve leaf can also be solid construction, and it only needs can supply the both ends of special-shaped spring to stretch into the support, is convenient for reset can. And the two ends of the special-shaped spring (namely the two supporting parts) are symmetrically distributed about the central section of the valve leaf, so that the valve leaf is stable and prevented from vibrating or shaking left and right.
Preferably, the anti-knock valve in this embodiment has two valve leaves 2, two ends of each valve leaf 2 are provided with a set of the above-mentioned reset mechanism, each set of the reset mechanism includes two above-mentioned shaped springs 4 installed in opposite directions, and one of the above-mentioned positioning plate 5, and the two shaped springs are fixed on the above-mentioned end cover 6 through the positioning plate 5 and the fixing bolt 7. The supporting part 402 of the special-shaped spring 4 extends into the inner cavity of the valve leaf 2 to support and reset the valve leaf; the four support portions 402 are uniformly distributed in the valve leaf, so that the valve leaf 2 can be stably fixed without shaking or vibrating.
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 (6)
1. The utility model provides an antiknock valve, includes the valve body and slides and arranges the valve leaf in the valve body in, its characterized in that still includes two sets of canceling release mechanical system, and two sets of canceling release mechanical system arrange the valve leaf both ends respectively in and fixed with the valve body, canceling release mechanical system includes the special-shaped spring, the interlude of special-shaped spring is the fixed section who links to each other with the valve body is fixed, the both ends of special-shaped spring are for stretching into supporting part in the valve leaf, and two supporting parts about the central cross-section symmetric distribution of valve leaf.
2. The antiknock valve of claim 1, wherein: the valve leaf is hollow structure, be equipped with the strengthening rib in the valve leaf, the strengthening rib will the inner chamber of valve leaf divide into middle chamber and two side chambeies, every group canceling release mechanical system includes two special-shaped spring, and the supporting part of one of them special-shaped spring stretches into in the middle chamber of valve leaf, two supporting parts of another special-shaped spring stretch into respectively in two side chambeies of valve leaf.
3. The antiknock valve of claim 1 or claim 2, wherein: the end part of the supporting part is an annular supporting ring.
4. The antiknock valve of claim 1 or claim 2, wherein: and the two special-shaped springs are reversely installed.
5. The antiknock valve of claim 1, wherein: the valve body comprises a main shell with openings at two ends and an end cover for sealing the openings, two opposite valve ports parallel to the valve blades are arranged on the main shell, and the reset mechanism is fixed on the end cover.
6. The antiknock valve of claim 5, wherein: the resetting mechanism further comprises a positioning plate, and the positioning plate and the end cover clamp the fixed section of the special-shaped spring and are fixed through a fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022297301.9U CN213361229U (en) | 2020-10-15 | 2020-10-15 | Antiknock valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022297301.9U CN213361229U (en) | 2020-10-15 | 2020-10-15 | Antiknock valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213361229U true CN213361229U (en) | 2021-06-04 |
Family
ID=76128193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022297301.9U Withdrawn - After Issue CN213361229U (en) | 2020-10-15 | 2020-10-15 | Antiknock valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213361229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197039A (en) * | 2020-10-15 | 2021-01-08 | 江苏爵格工业设备有限公司 | Anti-knock valve |
-
2020
- 2020-10-15 CN CN202022297301.9U patent/CN213361229U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197039A (en) * | 2020-10-15 | 2021-01-08 | 江苏爵格工业设备有限公司 | Anti-knock valve |
| CN112197039B (en) * | 2020-10-15 | 2025-04-22 | 江苏爵格工业集团有限公司 | Anti-explosion valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 224199 Xikang Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: Jiangsu juege Industry Group Co.,Ltd. Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: 224199 Xikang Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province Patentee before: JIANGSU DRAGON INDUSTRIAL EQUIPMENT Co.,Ltd. Patentee before: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210604 Effective date of abandoning: 20250422 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210604 Effective date of abandoning: 20250422 |