CN210318664U - Swing check valve capable of monitoring opening position of valve clack - Google Patents
Swing check valve capable of monitoring opening position of valve clack Download PDFInfo
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- CN210318664U CN210318664U CN201921166888.0U CN201921166888U CN210318664U CN 210318664 U CN210318664 U CN 210318664U CN 201921166888 U CN201921166888 U CN 201921166888U CN 210318664 U CN210318664 U CN 210318664U
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- swing check
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Abstract
The utility model belongs to the valve field, concretely relates to can monitor swing check valve of valve clack open position, include the valve body, be located valve clack, rocking arm in the valve body, the rocking arm passes through the valve shaft and is articulated with the valve body, the valve clack is connected with the rocking arm, the valve shaft cooperates with rocking arm circumference linkage, be equipped with aperture monitoring devices on the valve shaft. The valve clack opening degree is obtained by monitoring the rotation condition of the valve shaft, the opening position of the valve clack is monitored, and the opening angle of the swing check valve is conveniently and timely known.
Description
Technical Field
The utility model belongs to the valve field, concretely relates to can monitor swing check valve of valve clack open position.
Background
The check valve is an automatic control valve for preventing medium in the pipeline from flowing backwards, when the medium in the pipeline flows forwards, the valve clack of the check valve automatically opens under the action of medium pressure, and when the medium pressure in the pipeline flows backwards, the valve clack of the check valve automatically closes under the action of the medium pressure. The valve clack of swing check valve is connected with the lower extreme of rocking arm, and the upper end of rocking arm is connected with the valve shaft, and the medium in the pipeline is used on the valve clack, and medium power impels valve clack and rocking arm to rotate round the valve shaft to reach the purpose that the check valve opened and closed automatically.
In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art: for a conventional swing check valve, since the valve flap is installed in the valve body of the check valve, the opening and closing conditions of the valve flap cannot be observed. Under some unexpected working conditions, if the rocker arm and the valve shaft are blocked, foreign matters are clamped in the pipeline, and the like, the full-open check valve cannot be opened or closed, and major accidents are caused.
Disclosure of Invention
The utility model aims at overcoming the shortcoming and not enough that prior art exists, and provide a can monitor swing check valve of valve clack open position.
The utility model discloses the beneficial effect who takes as follows: the utility model provides a can monitor swing check valve of valve clack open position, includes the valve body, is located valve clack, the rocking arm of valve body, the rocking arm passes through the valve shaft and is articulated with the valve body, the valve clack is connected with the rocking arm, valve shaft and rocking arm circumference linkage cooperation, be equipped with aperture monitoring devices on the valve shaft.
One end or two ends of the valve shaft penetrate through the valve body, and the opening monitoring device comprises an opening indicating needle connected to the end part, located outside the valve body, of the valve shaft.
The valve body is provided with an opening indication board, the opening indication board is pointed by the opening indication needle, and the opening indication board is correspondingly provided with opening display scales.
The valve shaft and the valve body are sealed through a filler, a filler pressing sleeve and a filler pressing plate.
The opening monitoring device comprises an opening position monitoring sensor and a signal output module, wherein the opening position monitoring sensor is installed on the valve shaft.
The valve body is detachably connected with a valve cover.
The valve body is connected with the valve cover through a stud and a nut.
And a sealing gasket is arranged between the valve body and the valve cover.
The utility model has the advantages as follows: the valve clack opening degree is obtained by monitoring the rotation condition of the valve shaft, the opening position of the valve clack is monitored, and the opening angle of the swing check valve is conveniently and timely known.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.
FIG. 1 is a cross-sectional view of an embodiment of the present invention;
fig. 2 is a view of a connection structure between the valve shaft and the valve body according to an embodiment of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2;
FIG. 4 is a schematic structural view of an opening degree indicating needle and an opening degree indicating plate;
in the figure, 1, a valve body; 2, a valve clack; 3, a rocker arm; 4, a valve shaft; 5, a gasket; 6, a valve cover; 7, a stud; 8, a nut; 9, a filler; 10, packing and pressing; 11, a packing press plate; 12, an opening degree indication board; and 13, an opening indicating needle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.
As shown in fig. 1-3, a swing check valve capable of monitoring the opening position of a valve flap comprises a valve body 1, a valve flap 2 located in the valve body 1, and a rocker arm 3, wherein the rocker arm 3 is hinged to the valve body 1 through a valve shaft 4, the valve flap 2 is connected to the rocker arm 3, the valve shaft 4 is in circumferential linkage fit with the rocker arm 3, and an opening monitoring device is arranged on the valve shaft 4. When the medium in the pipeline flows in the forward direction (flows from left to right), the valve clack 2 is opened under the action of the pressure of the medium, and when the medium in the pipeline flows in the reverse direction (flows from right to left), the valve clack 2 is closed under the action of the pressure of the medium. For a conventional swing check valve, the valve shaft 4 is connected with the rocker arm 3 in a rolling (sliding) manner, and in this embodiment, the valve shaft 4 is connected with the rocker arm 3 in a circumferential linkage manner, and may be connected by means of pins, key grooves, and the like.
As shown in fig. 2 and 3, one end or both ends of the valve shaft 4 penetrate through the valve body 1, and the opening degree monitoring device comprises an opening degree indicator 13 connected to the end part of the valve shaft 4 outside the valve body 1.
Be equipped with aperture sign 12 on the valve body 1, the directional aperture sign 12 of aperture pointer, it shows the scale to correspond to be equipped with the aperture on the aperture sign 12.
When the valve clack 2 and the rocker arm 3 are rotated and switched, the valve shaft 4 is driven to rotate at the same time, and the opening indicating needle 13 is fixedly connected with the valve shaft 4, so that the opening indicating needle 13 also rotates at the same time, and the opening position of the check valve clack 2 can be monitored from the position of the indicating needle 13.
The valve shaft 4 and the valve body 1 are sealed through the packing 9, the packing pressing sleeve 10 and the packing pressing plate 11, and the medium in the check valve is prevented from leaking through the valve shaft 4. The opening indication plate 12 is fixed on the packing press plate 11.
The opening monitoring device comprises an opening position monitoring sensor and a signal output module, wherein the opening position monitoring sensor is installed on the valve shaft 4. The flap opening position of the swing check valve can be remotely monitored at a control center. The opening position monitoring sensor may be a common angular displacement sensor.
The valve body 1 is detachably connected with a valve cover 6.
The valve body 1 is connected with the valve cover 6 through a stud 7 and a nut 8.
And a sealing gasket 5 is arranged between the valve body 1 and the valve cover 6.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (8)
1. The utility model provides a can monitor valve clack open position's swing check valve, includes valve body (1), is located valve clack (2), rocking arm (3) of valve body (1), rocking arm (3) are articulated with valve body (1) through valve shaft (4), valve clack (2) are connected its characterized in that with rocking arm (3): the valve shaft (4) is in circumferential linkage fit with the rocker arm (3), and an opening monitoring device is arranged on the valve shaft (4).
2. The swing check valve of claim 1, wherein the valve flap opening position is monitored by: one end or two ends of the valve shaft (4) penetrate through the valve body (1), and the opening monitoring device comprises an opening indicating needle (13) which is connected to the end part, located outside the valve body (1), of the valve shaft (4).
3. The swing check valve of claim 2, wherein the valve flap opening position is monitored by: be equipped with aperture sign (12) on valve body (1), directional aperture sign (12) of aperture pointer (13), it shows the scale to correspond to be equipped with the aperture on aperture sign (12).
4. A swing check valve as claimed in claim 2 or 3 wherein the open position of the flap is monitored by: the valve shaft (4) and the valve body (1) are sealed through a packing (9), a packing pressing sleeve (10) and a packing pressing plate (11).
5. A swing check valve as claimed in any one of claims 1 to 3 in which the open position of the valve flap is monitored by: the opening monitoring device comprises an opening position monitoring sensor and a signal output module, wherein the opening position monitoring sensor is installed on the valve shaft (4).
6. The swing check valve of claim 1, wherein the valve flap opening position is monitored by: the valve body (1) is detachably connected with a valve cover (6).
7. The swing check valve of claim 6, wherein the valve flap opening position is monitored by: the valve body (1) is connected with the valve cover (6) through a stud (7) and a nut (8).
8. The swing check valve capable of monitoring the open position of the valve flap of claim 7, wherein: a sealing gasket (5) is arranged between the valve body (1) and the valve cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166888.0U CN210318664U (en) | 2019-07-23 | 2019-07-23 | Swing check valve capable of monitoring opening position of valve clack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166888.0U CN210318664U (en) | 2019-07-23 | 2019-07-23 | Swing check valve capable of monitoring opening position of valve clack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210318664U true CN210318664U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921166888.0U Active CN210318664U (en) | 2019-07-23 | 2019-07-23 | Swing check valve capable of monitoring opening position of valve clack |
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| CN (1) | CN210318664U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895172A (en) * | 2020-08-04 | 2020-11-06 | 中国石油天然气股份有限公司 | Open indicating device of swing check valve |
| CN112855998A (en) * | 2021-02-05 | 2021-05-28 | 西南石油大学 | Visual locking swing check valve |
| CN114776846A (en) * | 2022-05-18 | 2022-07-22 | 哈电集团哈尔滨电站阀门有限公司 | Air extraction check valve and flow passage boundary determining method thereof |
| CN115126908A (en) * | 2021-03-24 | 2022-09-30 | 中核苏阀科技实业股份有限公司 | Take swing check valve structure of long-range monitorable valve position |
| CN115126909A (en) * | 2021-03-24 | 2022-09-30 | 中核苏阀科技实业股份有限公司 | Nuclear power conventional island inclined petal type steam extraction check valve structure with remote monitoring valve position stroke |
-
2019
- 2019-07-23 CN CN201921166888.0U patent/CN210318664U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895172A (en) * | 2020-08-04 | 2020-11-06 | 中国石油天然气股份有限公司 | Open indicating device of swing check valve |
| CN112855998A (en) * | 2021-02-05 | 2021-05-28 | 西南石油大学 | Visual locking swing check valve |
| CN115126908A (en) * | 2021-03-24 | 2022-09-30 | 中核苏阀科技实业股份有限公司 | Take swing check valve structure of long-range monitorable valve position |
| CN115126909A (en) * | 2021-03-24 | 2022-09-30 | 中核苏阀科技实业股份有限公司 | Nuclear power conventional island inclined petal type steam extraction check valve structure with remote monitoring valve position stroke |
| CN114776846A (en) * | 2022-05-18 | 2022-07-22 | 哈电集团哈尔滨电站阀门有限公司 | Air extraction check valve and flow passage boundary determining method thereof |
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