CN212839598U - Integrated combined stop valve - Google Patents
Integrated combined stop valve Download PDFInfo
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- CN212839598U CN212839598U CN202021669965.7U CN202021669965U CN212839598U CN 212839598 U CN212839598 U CN 212839598U CN 202021669965 U CN202021669965 U CN 202021669965U CN 212839598 U CN212839598 U CN 212839598U
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- stop
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Abstract
The utility model discloses an integrated form combination stop valve, include: a stop valve, the stop valve including a stop valve body; the overflow valve comprises an overflow valve body; the valve body of the stop valve comprises an inlet end and an outlet end of the valve body of the stop valve, and the valve body of the excess flow valve comprises an inlet end and an outlet end of the valve body of the excess flow valve; the inlet end of the valve body of the stop valve is in fluid connection with the first pipeline, the outlet end of the valve body of the stop valve is in fluid connection with the inlet end of the overflowing valve, and the outlet end of the overflowing valve is in fluid connection with the second pipeline; wherein the central axis (Y1) of the inlet end of the stop valve body at the inlet end of the stop valve body and the central axis (X1) of the outlet end of the valve body at the outlet end of the valve body form an included angle of 90 degrees. The integrated combined stop valve integrates the stop valve and the overflowing valve, so that the application range of the valve is enlarged, an elbow can be replaced, the cost is saved, and the assembly efficiency is improved due to the convenient installation.
Description
Technical Field
The utility model relates to a mechanical design technical field, in particular to integrated form combination stop valve.
Background
The stop valve is one of the most widely used valves, and is popular because of small friction force between sealing surfaces in the opening and closing process, durability, small opening height, easy manufacture and convenient maintenance, and is not only suitable for medium and low pressure, but also suitable for high pressure. The closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of the pressure of the valve rod, and the medium is prevented from flowing.
The stop valves on the market all need to rely on pipeline and joint to carry out the transformation of gas-liquid flow direction at present, but under the limited condition in space, the connection needs suitable joint and pipeline, and the probability of leaking increases when the tie point is many, causes many places to leak easily to have following shortcoming: (1) in order to meet the requirements of limited space and gas-liquid conveying, a plurality of joints and pipelines are needed, the cost is increased, and the installation is complicated; (2) because there are many joints, whether there is leakage needs to be considered, and whether leakage exists needs to be detected at multiple positions, which is easy to cause accidents.
Although the valve integrating the stop valve and the overflow valve into a whole is available in the market at present, the valve integrating the stop valve and the overflow valve into a whole still has many disadvantages, for example, the existing integrated valve is only suitable for straight-way connection, and if the existing integrated valve meets the condition of curved-way connection, numerous elbows and joints still need to be used, and the requirement of complex pipelines in narrow space cannot be met well; secondly, the valve body of the existing integrated valve is in an inclined punching mode, so that the difficulty in processing is increased, and the resistance coefficient of gas circulation is increased; in addition, the flow limiting structure adopted by the general flow passing valve is a mode of placing a spring in the valve clack, and when gas flows, the resistance coefficient during flowing can be increased due to the influence of the resistance of the spring.
Therefore, the utility model discloses the urgent need develop an integrated form combination stop valve to overcome the shortcoming among the prior art, this integrated form combination stop valve is highly integrated as an organic whole with stop valve and overflow valve, has not only enlarged the application range of valve, and can replace the elbow, practice thrift the cost and be convenient for the installation and promoted assembly efficiency.
Disclosure of Invention
An object of the utility model is to provide an integrated form combination stop valve, shortcoming among the prior art can be overcome to this integrated form combination stop valve, and this integrated form combination stop valve is highly integrated as an organic whole with stop valve and overflow valve, has not only enlarged the application range of valve to can replace the elbow, practice thrift the cost and be convenient for install and promoted assembly efficiency.
The utility model provides an integrated form combination stop valve, include:
a shut-off valve comprising a shut-off valve body;
the overflow valve comprises an overflow valve body;
the valve body of the stop valve comprises an inlet end and an outlet end of the valve body of the stop valve, and the valve body of the excess flow valve comprises an inlet end and an outlet end of the valve body of the excess flow valve;
the inlet end of the valve body of the stop valve is in fluid connection with a first pipeline, the outlet end of the valve body of the stop valve is in fluid connection with the inlet end of the overflowing valve, and the outlet end of the overflowing valve is in fluid connection with a second pipeline; wherein the central axis (Y1) of the inlet end of the stop valve body at the inlet end of the stop valve body and the central axis (X1) of the outlet end of the valve body at the outlet end of the valve body form an included angle of 90 degrees.
In another preferred example, the central axis of the outlet end of the stop valve body at the outlet end of the stop valve body coincides with the central axis of the inlet end of the excess flow valve body at the inlet end of the excess flow valve body.
In another preferred embodiment, the central axis (Y1) of the inlet end of the stop valve body at the inlet end of the stop valve body and the central axis of the outlet end of the stop valve body at the outlet end of the stop valve body form an included angle of 90 degrees.
In another preferred example, the stop valve is located above the excess flow valve.
In another preferred embodiment, the stop valve further comprises a stop valve rod, the stop valve rod is arranged in the stop valve body, and a stop valve rod central line (Z1) of the stop valve rod and a stop valve body inlet end central axis (Y1) form an included angle of 135 degrees.
In another preferred example, the stop valve further comprises a compression nut and a hand wheel, wherein the compression nut is connected with the stop valve stem and the stop valve body; the hand wheel is arranged right above the compression nut, and the central axis of the hand wheel is superposed with the central axis (Z1) of the valve rod of the stop valve.
In another preferred example, a sealing gasket is arranged at the joint of the stop valve body and the overflowing valve body.
In another preferred example, the excess flow valve further comprises a flow restriction structure comprising an excess flow valve flap and an excess flow valve spring, wherein the excess flow valve spring is arranged outside the excess flow valve flap.
In another preferred example, the stop valve and the excess flow valve are in the same plane.
In another preferred example, the connection position of the overflowing valve and the second pipeline is internal threads or external threads.
In another preferred example, the shut-off valve and the excess flow valve are integrated by a threaded connection.
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 to be understood that the drawings in the following description are merely exemplary embodiments of the invention and that one skilled in the art may, without any inventive step, derive other embodiments from these drawings.
Fig. 1 is a general schematic diagram of an integrated combination stop valve according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an integrated combination stop valve according to an embodiment of the present invention.
In the drawings, the designations are as follows:
1-stop valve
11-stop valve body
Inlet end of 111-cut-off valve body
112-stop valve body outlet end
12-stop valve stem
13-compression nut
14-hand wheel
2-flow valve
21-overflow valve body
211-inlet end of valve body of excess flow valve
212-valve body outlet end of excess flow valve
22-flow valve clack
23-spring of excess flow valve
3-sealing gasket
X1-center axis of outlet end of valve body of overflowing valve
Y1-stop valve body inlet end central axis
Z1-stop valve stem center line
Detailed Description
The inventor of the invention develops an integrated combined stop valve for the first time through extensive and intensive research aiming at the problem of limited space in the prior art, integrates the stop valve and the overflowing valve by 90 degrees, not only saves the space, but also increases the application range of the valve; particularly, a plurality of parts can be effectively replaced at the joint of the elbow pipe, so that the elbow is saved, the installation is convenient, and the disassembly and assembly efficiency is improved; in addition with section pipe connection, compare general through stop valve, when satisfying the connection demand, the utility model discloses an integrated form combination stop valve reduces the possibility of leaking, the pipeline design of being convenient for, reduces subsequent leak hunting work, save time cost and economic cost, and more accord with ergonomic's requirement.
In the following description, numerous technical details are set forth in order to provide a better understanding of the present invention. However, it will be understood by those skilled in the art that the claimed invention may be practiced without these specific details and with various changes and modifications based on the following embodiments.
Term(s) for
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
In the present invention, all the directional indications (such as up, down, left, right, front, rear, etc.) are used only to explain the relative positional relationship between the respective members, the motion situation, etc. in a certain posture (as shown in the drawing), and if the certain posture is changed, the directional indication is changed accordingly.
In the present patent application, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, in the present patent application, if it is mentioned that a certain action is performed according to a certain element, it means that the action is performed at least according to the element, and two cases are included: performing the action based only on the element, and performing the action based on the element and other elements. The expression of a plurality of, a plurality of and the like includes 2, 2 and more than 2, more than 2 and more than 2.
The utility model discloses main advantage includes:
(a) the integrated combined stop valve integrates the stop valve and the overflowing valve, thereby greatly reducing the occupied space, having the functions of the stop valve and the overflowing valve and enlarging the application range of the valve; in addition, the stop valve and the overflow valve are integrated at 90 degrees, the two valves are positioned on the same plane, the internal flow direction is 90 degrees, when the pipeline is complicated and the flow direction needs to be changed, the elbow can be replaced by the integrated combined stop valve, the installation is convenient, the elbow is saved, the assembly efficiency is improved, and much time for searching for a proper joint and the elbow for installing a curved path is saved;
(b) the integrated combined stop valve of the utility model is highly integrated into a whole through the stop valve and the overflow valve through threaded connection, thereby not only simplifying the connection of pipelines, but also reducing the leakage points at the connection part; moreover, a gasket is additionally arranged inside the connection part of the stop valve and the overflow valve, so that gas-liquid leakage can be reduced, erosion of liquid to a thread part can be prevented, and the sealing property is improved;
(c) the integrated combined stop valve of the utility model has the advantages that the position of the handle is 45 degrees with the plane when seen from the position of the handle, namely, in the whole pipeline, the handle is positioned at the outer side of the curved road when the flow is needed to move towards the corner, the interference is not easy to occur in the installation process, the handle is more convenient to use, and the integrated combined stop valve accords with the ergonomic design;
(d) the integrated combined stop valve of the utility model has the advantages that the punching position inside the valve body is 90 degrees, the processing difficulty is reduced in the processing technology, the economic cost is saved, and the resistance coefficient in the circulation process is reduced when the medium flows in the integrated combined stop valve; the valve body punching mode of the general stop valve in the market at present is an oblique punching mode, deviation is easily generated in the oblique punching mode from the machining angle, copper scraps are easily generated in the machining process, the generated copper scraps enable the valve to be easy to leak, the valve body structure enables the punching mode to be a straight punching mode according to the positions of an inlet and an outlet, the difficulty is reduced from the machining angle, the economic cost is saved, the possibility of generating the copper scraps is reduced, the leakage probability is reduced, and the resistance coefficient in circulation is reduced in the gas-liquid flowing direction;
(e) the upper part of the integrated combined stop valve of the utility model is the stop valve, when the stop valve is damaged, the stop valve is convenient to replace and can be compatible;
(f) the flow limiting structure of the over-flow valve of the integrated combined stop valve consists of the over-flow valve spring and the over-flow valve clack, and the over-flow valve spring is arranged outside the over-flow valve clack and is not easy to be influenced by strong air flow impact when strong air flow impact exists; in addition, the thread at the connecting part of the overflowing valve can be changed into internal thread or external thread connection according to the requirements of customers, so that the application range of the integrated combined stop valve is enlarged.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1-2, the present invention provides an integrated combination stop valve, comprising: the stop valve 1 and the excess flow valve 2 that integrate together, stop valve 1 and excess flow valve 2 are integrated as an organic whole through threaded connection, and stop valve 1 is located the top of excess flow valve 2, and 135 of stop valve 1 and excess flow valve 2 integrate, and two valves are located the coplanar.
Specifically, the stop valve 1 includes a stop valve body 11, the stop valve body 11 including a stop valve body inlet end 111 and a stop valve body outlet end 112; the excess flow valve 2 includes an excess flow valve body 21; the excess flow valve body 21 includes an excess flow valve body inlet end 211 and an excess flow valve body outlet end 212; the shut-off valve body inlet port 111 is fluidly connected to the first conduit, the shut-off valve body outlet port 112 is fluidly connected to the excess flow valve inlet port 211, and the excess flow valve outlet port 212 is fluidly connected to the second conduit.
Wherein the stop valve body inlet end central axis Y1 of stop valve body inlet end 111 and the excessive flow valve body outlet end central axis X1 of excessive flow valve body outlet end 212 are 90 contained angles, and the stop valve body outlet end central axis of stop valve body outlet end 112 coincides with the excessive flow valve body inlet end central axis of excessive flow valve body inlet end 211, and the stop valve body inlet end central axis Y1 of stop valve body inlet end 111 and the stop valve body outlet end central axis of stop valve body outlet end 112 are 90 contained angles, thereby make the utility model discloses an entrance position and exit position of integrated form combination stop valve are 90, and inside flow trend becomes 90, when the complicated needs of pipeline change flow trend, can replace the elbow with the integrated form combination stop valve of this embodiment, the installation of being convenient for, practice thrift the elbow, promote assembly efficiency. And from the internal structure of the valve body, because the punching position in the valve body is 90 degrees, the processing difficulty is reduced in the processing technology, the economic cost is saved, and the resistance coefficient in the circulation process is reduced. And the upper portion of this integrated form combination stop valve is the stop valve, when the stop valve takes place to damage, is convenient for change, can be compatible.
The stop valve 1 further comprises a stop valve rod 12, a stop valve clack, a compression nut 13 and a hand wheel 14, wherein the stop valve rod 12 is arranged in the stop valve body 11, the stop valve clack is positioned at the lower end of the stop valve rod 12, and the compression nut 13 is connected with the stop valve rod 12 and the stop valve body 11; the hand wheel 14 is arranged right above the compression nut 13; and the stop valve stem centerline Z1 of the stop valve stem 12 is at a 135 deg. angle to the stop valve body inlet port centerline axis Y1. And the hand wheel central axis of hand wheel 14 and stop valve rod central line Z1 coincidence, from the handle position of placing, the handle position is 45 with the plane, and the setting of handle is 45 with XZ plane and YZ plane all promptly, that is to say, in whole pipeline, in the needs flow trend corner, the handle is located the outside on curved road, and difficult interference in the installation, and more conveniently use the handle, accord with ergonomic design.
The excess flow valve 2 further comprises an excess flow valve body 21 and a flow limiting structure arranged in the excess flow valve body 21, the flow limiting structure comprising an excess flow valve flap 22 and an excess flow valve spring 23, the excess flow valve spring 23 being arranged outside the excess flow valve flap 22 such that it is not susceptible to strong air flow impact when there is strong air flow impact. And secondly, the connection part of the overflowing valve 2 and the second pipeline is an internal thread or an external thread, so that the overflowing valve can be modified according to the requirements of customers, and the application range of the integrated combined stop valve is widened.
In order to reduce the utility model discloses a leakage of integrated form combination stop valve gas-liquid prevents the erosion of liquid to the screw thread part to increase the leakproofness of integrated form combination stop valve, be equipped with seal ring 3 in stop valve body 11 and the junction of crossing valve body 21.
The working principle of the utility model
The hand wheel is rotated to enable the valve clack of the stop valve to do ascending and descending movement so as to realize the opening and closing of the stop valve, and when the valve clack of the stop valve is in an opening state, the medium in the system normally flows; when the pipeline at the outlet of the cut-off overflow valve drops or breaks due to various external factors, the pressure difference between the front and the back of the overflow valve clack suddenly and sharply increases, the flow rate of the overflow valve clack is suddenly and greatly increased, the overflow valve clack is subjected to the huge thrust of a medium from the medium flow direction, so that the overflow valve clack compresses an overflow valve spring to move along the medium flow direction, the area of a medium flow channel is reduced until the overflow valve clack closes the medium flow channel, and the overflow cut-off function is finally realized.
All documents mentioned in this application are to be considered as being incorporated in their entirety into the disclosure of this application so as to be subject to modification as necessary. Further, it is understood that various changes or modifications may be made to the present application by those skilled in the art after reading the above disclosure of the present application, and such equivalents are also within the scope of the present application as claimed.
Claims (10)
1. An integrated combination shut-off valve, comprising:
a shut-off valve (1), said shut-off valve (1) comprising a shut-off valve body (11);
a flow-through valve (2), the flow-through valve (2) comprising a flow-through valve body (21);
wherein the shut-off valve body (11) comprises a shut-off valve body inlet end (111) and a shut-off valve body outlet end (112), and the excess flow valve body (21) comprises an excess flow valve body inlet end (211) and an excess flow valve body outlet end (212);
the shut-off valve body inlet port (111) is fluidly connected to a first conduit, the shut-off valve body outlet port (112) is fluidly connected to the excess flow valve body inlet port (211), and the excess flow valve body outlet port (212) is fluidly connected to a second conduit; wherein the central axis (Y1) of the inlet end of the stop valve body (111) and the central axis (X1) of the outlet end of the flow valve body (212) form an included angle of 90 degrees.
2. An integrated combination stop valve according to claim 1, wherein the stop valve body outlet end central axis of the stop valve body outlet end (112) coincides with the flow valve body inlet end central axis of the flow valve body inlet end (211).
3. The integrated combination shut-off valve of claim 2 wherein the shut-off valve body inlet end central axis (Y1) of the shut-off valve body inlet end (111) is at a 90 ° angle to the shut-off valve body outlet end central axis of the shut-off valve body outlet end (112).
4. Integrated combined stop valve according to claim 1, characterised in that the stop valve (1) is located above the excess flow valve (2).
5. The integrated combination stop valve of claim 1, wherein the stop valve (1) further comprises the stop valve stem (12), the stop valve stem (12) being disposed within the stop valve body (11), a stop valve stem centerline (Z1) of the stop valve stem (12) being at a 135 ° angle to the stop valve body inlet port central axis (Y1).
6. The integrated combination stop valve of claim 5, further comprising a compression nut (13) and a hand wheel (14), wherein the compression nut (13) is connected to the stop valve stem (12) and the stop valve body (11); the hand wheel (14) is arranged right above the compression nut (13), and the central axis of the hand wheel (14) is superposed with the central line (Z1) of the valve rod of the stop valve.
7. Integrated combined stop valve according to claim 1, characterised in that a sealing gasket (3) is provided at the junction of the stop valve body (11) and the excess flow valve body (21).
8. Integrated combination stop valve according to claim 1, wherein the excess flow valve (2) further comprises a flow restriction structure comprising an excess flow valve flap (22) and an excess flow valve spring (23), wherein the excess flow valve spring (23) is arranged outside the excess flow valve flap (22).
9. Integrated combined stop valve according to claim 1, characterised in that the stop valve (1) and the excess flow valve (2) are in the same plane.
10. Integrated combined stop valve according to claim 1, characterised in that the stop valve (1) and the excess flow valve (2) are integrated by screwing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021669965.7U CN212839598U (en) | 2020-08-12 | 2020-08-12 | Integrated combined stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021669965.7U CN212839598U (en) | 2020-08-12 | 2020-08-12 | Integrated combined stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839598U true CN212839598U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021669965.7U Active CN212839598U (en) | 2020-08-12 | 2020-08-12 | Integrated combined stop valve |
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| Country | Link |
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| CN (1) | CN212839598U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524257A (en) * | 2020-11-23 | 2021-03-19 | 欧阳国法 | Highly integrated low-temperature stop valve with overflowing function |
| CN113236972A (en) * | 2021-04-25 | 2021-08-10 | 张家港中集圣达因低温装备有限公司 | Low-temperature gas cylinder and liquid outlet device thereof |
-
2020
- 2020-08-12 CN CN202021669965.7U patent/CN212839598U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524257A (en) * | 2020-11-23 | 2021-03-19 | 欧阳国法 | Highly integrated low-temperature stop valve with overflowing function |
| CN113236972A (en) * | 2021-04-25 | 2021-08-10 | 张家港中集圣达因低温装备有限公司 | Low-temperature gas cylinder and liquid outlet device thereof |
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