CN217301781U - Stop valve - Google Patents

Stop valve Download PDF

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Publication number
CN217301781U
CN217301781U CN202220921811.5U CN202220921811U CN217301781U CN 217301781 U CN217301781 U CN 217301781U CN 202220921811 U CN202220921811 U CN 202220921811U CN 217301781 U CN217301781 U CN 217301781U
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CN
China
Prior art keywords
section
valve
connecting pipe
communicating pipe
valve body
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Active
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CN202220921811.5U
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Chinese (zh)
Inventor
袁兴洋
周峰
谭震宇
楼峰
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Dunan Wuhu Zhongyuan Automatic Control Co ltd
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Dunan Wuhu Zhongyuan Automatic Control Co ltd
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Priority to CN202220921811.5U priority Critical patent/CN217301781U/en
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Publication of CN217301781U publication Critical patent/CN217301781U/en
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Abstract

The utility model provides a stop valve, stop valve are used for connecting communicating pipe, have link and free end communicating pipe, and link and stop valve intercommunication, the stop valve includes: the valve body is provided with a valve cavity and a connecting pipe section, the connecting pipe section is communicated with the valve cavity, the valve body is provided with a first section, a first transition section and a second section which are sequentially arranged, and the second section is positioned on one side of the first section, which is far away from the valve body; the communicating pipe is provided with a connecting end and a free end, and the connecting end is communicated with the connecting pipe section; the fixing piece is sleeved on the periphery of the connecting pipe section and connected with the connecting pipe section, the connecting end is positioned between the fixing piece and the connecting pipe section, and the communicating pipe and the first transition section are fixed on the valve body through the fixing piece; and the sealing element is arranged between the communicating pipe and the connecting pipe section, and the sealing element is arranged on the outer side wall of the second section in an enclosing manner. Use the technical scheme of the utility model, can solve the poor problem of the sealed effect of stop valve among the prior art.

Description

Stop valve
Technical Field
The utility model relates to a stop valve technical field particularly, relates to a stop valve.
Background
At present, current stop valve includes the valve body, communicating pipe and mounting, the valve body has valve pocket and connecting pipe section, the one end of connecting pipe section is connected with the valve body, communicating pipe passes through the mounting to be fixed on the valve body, when the installation, the mounting can compress tightly communicating pipe on the valve body, and form sealedly with the valve body, but in prior art, the device is after long-time operation, the not hard up condition easily appears in the mounting, so can make appear the clearance between communicating pipe and the valve body, thereby the sealed effect of device has been reduced, the normal operating of device has been influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stop valve to solve the poor problem of the sealed effect of stop valve among the prior art.
The utility model provides a stop valve, stop valve are used for connecting communicating pipe, have link and free end communicating pipe, and link and stop valve intercommunication, the stop valve includes: the valve body is provided with a valve cavity and a connecting pipe section, the connecting pipe section is communicated with the valve cavity, the valve body is provided with a first section, a first transition section and a second section which are sequentially arranged, and the second section is positioned on one side of the first section, which is far away from the valve body; the communicating pipe is provided with a connecting end and a free end, and the connecting end is communicated with the connecting pipe section; the fixing piece is sleeved on the periphery of the connecting pipe section and connected with the connecting pipe section, the connecting end is positioned between the fixing piece and the connecting pipe section, and the communicating pipe and the first transition section are fixed on the valve body through the fixing piece; and the sealing element is arranged between the communicating pipe and the connecting pipe section, and the sealing element is arranged on the outer side wall of the second section in an enclosing manner.
By applying the technical scheme of the utility model, a sealing element is arranged between the connecting pipe section of the communicating pipe and the connecting pipe section of the valve body, and the sealing element is arranged at the outer side of the connecting pipe section in a surrounding way, after the device is installed, because the connecting end of the communicating pipe is fixedly connected with the valve body through a fixing element, a first seal can be formed for the valve cavity, the medium in the valve cavity can be prevented from leaking in the operation process of the device, meanwhile, a second seal can be formed for the sealing element between the communicating pipe and the valve body, the looseness of the fixing element after the device is operated for a long time can be prevented, the leakage of the gap between the communicating pipe and the connecting pipe section can be prevented, the sealing effect of the device is further ensured, the operation stability of the device can be further ensured, meanwhile, the outer part of the valve body is arranged into a two-section type, the matching connection of the valve body and other components is convenient, and the assembly and disassembly efficiency of the device can be improved, and the sealing element is arranged on the outer side wall, so that the space of the valve body can be reasonably utilized, and the sealing performance of the device is ensured.
Further, the outer diameter of the first section is larger than that of the second section, and the outer diameter of the first transition section is gradually reduced from the first section to the second section. Above-mentioned simple structure, easily processing can reduce the manufacturing cost of device effectively, and first changeover portion can make the junction of first section and second section more mild, sets up the changeover portion into the reducing form simultaneously, the processing of the valve body of not only being convenient for, can reduce the manufacturing cost of device effectively to the changeover portion still can with the link adaptation connection of communicating pipe, so can make communicating pipe be connected the cooperation with the valve body better, guaranteed the holistic structural strength of device assembly back.
Further, the periphery of first section is provided with the external screw thread, and the mounting includes screw thread section and fixed segment, and the inner wall of screw thread section is provided with the internal thread of being connected with the external screw thread cooperation, and fixed segment and connecting pipe section cooperation are in order to fix communicating pipe. Through setting up mounting and valve body to threaded connection, so can guarantee that mounting and valve body are connected also be convenient for the dismouting of the two simultaneously reliably to further improve the dismouting efficiency of device, the while helicitic texture is also convenient for process, has further reduced the manufacturing cost of device.
Furthermore, the communicating pipe is provided with a first hole section and a second hole section which are oppositely arranged, the inner diameter of the first hole section is matched with the outer diameter of the first transition section, the second hole section is sleeved on the periphery of the second section, the sealing element is positioned between the second hole section and the second section, a second transition section is further arranged between the thread section and the fixed section, the inner diameter of the second transition section is matched with the outer diameter of the first hole section, and the inner diameter of the fixed section is matched with the outer diameter of the second hole section. So set up, in the installation, communicating pipe can closely laminate with the outer wall of valve body, and the mounting can be with communicating pipe and valve body fixed connection to avoid appearing the clearance as far as possible between the outer wall of communicating pipe and valve body, guaranteed the leakproofness of device, also further improved the overall structure intensity after the unit mount simultaneously.
Furthermore, a groove is formed in the outer side wall of the second section, the groove is located at one end, far away from the first section, of the second section, and the sealing part is located in the groove. The aforesaid sets up simple structure and easily processing, rationally utilizes the space of second section, also can carry on spacingly to the sealing member with the sealing member setting in the recess simultaneously to prevent that the sealing member from taking place the displacement at the operation in-process of device, influenced the sealing performance of device, and the sealing member can make the sealing member seal up communicating pipe and the junction of the lateral wall of second section, in order to avoid the medium to take place to reveal in this department, thereby can further improve the sealed effect of device.
Further, the sealing member is specifically an O-ring. The sealing device is simple in structure, the O-shaped ring has the advantages of being wear-resistant, not prone to deformation and the like, and meanwhile good sealing performance can be kept under the high-temperature and high-pressure environment, so that the sealing performance of the device is guaranteed as far as possible, and the stability of the device in operation is maintained.
Furthermore, the one end of keeping away from first section of second section has the terminal surface, and the terminal surface passes through first circular arc section with the lateral wall of second section and passes through the transition. So set up, in the installation, first circular arc section can lead communicating pipe to the assembly of communicating pipe and second section, through setting up above-mentioned structure, can reduce the required assemble duration of subassembly, thereby be favorable to improving the assembly efficiency of device.
Further, the end face and the inner wall of the second section are transited through a second arc section. When the device is operated, the second circular arc section can buffer the fluid in the communicating pipe to prevent the fluid from damaging the second section due to overlarge impact force on the second section, and the structural strength of the second section can be ensured by arranging the structure, so that the service life of the communicating pipe can be prolonged.
Furthermore, the stop valve also comprises a valve core which is movably arranged in the valve cavity, and the axis of the valve cavity is perpendicular to the axis of the connecting pipe section. Through setting up above-mentioned structure, the valve core can open or close the valve port that the valve intracavity corresponds to guarantee the normal use of stop valve function.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural diagram of the stop valve provided by the present invention.
Wherein the figures include the following reference numerals:
10. a communicating pipe; 11. a first bore section; 12. a second bore section;
20. a valve body; 21. a valve cavity; 22. a first stage; 23. a second section; 24. a first transition section;
30. a fixing member; 31. a threaded segment; 32. a fixed section; 33. a second transition section;
40. a seal member; 50. a valve core.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a stop valve, stop valve are used for connecting communicating pipe 10, and communicating pipe 10 has link and free end, and the link communicates with stop valve, and this stop valve includes valve body 20, mounting 30 and sealing member 40. The valve body 20 is provided with a valve cavity 21 and a connecting pipe section, the connecting pipe section is communicated with the valve cavity 21, the valve body 20 is provided with a first section 22, a first transition section 24 and a second section 23 which are sequentially arranged, and the second section 23 is positioned on one side of the first section 22, which is far away from the valve body 20; communicating pipe 10 has link and free end, link and connecting pipe section intercommunication, the periphery at the connecting pipe section is established to mounting 30 cover to be connected with the connecting pipe section, the link is located between mounting 30 and the connecting pipe section, communicating pipe 10 passes through mounting 30 with first changeover portion 24 and fixes on valve body 20, sealing member 40 sets up between communicating pipe 10 and connecting pipe section, and sealing member 40 encloses to be established on the lateral wall of second section 23. In the embodiment of the present application, the fixing member 30 is specifically a nut, which is not only easy to process and assemble, but also relatively light in weight, so as to achieve the light weight of the device while achieving the fixing function.
By applying the technical scheme of the utility model, a sealing member 40 is arranged between the connecting pipe section of the communicating pipe 10 and the valve body 20, and the sealing member 40 is enclosed at the outer side of the connecting pipe section, after the device is installed, because the connecting end of the communicating pipe 10 is fixedly connected with the valve body 20 through the fixing member 30, so as to form a first seal for the valve cavity 21, and prevent the medium in the valve cavity 21 from leaking in the operation process of the device, meanwhile, the sealing member 40 can form a second seal for the communicating pipe 10 and the valve body 20, so as to prevent the looseness of the fixing member 30 after the device is operated for a long time, and the leakage of the clearance between the communicating pipe 10 and the connecting pipe section, thereby further ensuring the sealing effect of the device, further ensuring the stability of the device in operation, and simultaneously, the external part of the valve body 20 is arranged into a two-section type, so as to be convenient for the matching connection of the valve body 20 and other components, the device assembling and disassembling efficiency is improved, the sealing element 40 is arranged on the outer side wall, the space of the valve body 20 can be reasonably utilized, and meanwhile the sealing performance of the device is guaranteed.
Further, the outer diameter of the first section 22 is larger than that of the second section 23, and the outer diameter of the first transition section 24 is gradually reduced from the first section 22 to the second section 23. Above-mentioned simple structure, easily processing, can reduce the manufacturing cost of device effectively, first changeover portion 24 can make the junction of first section 22 and second section 23 more mild, set up the changeover portion into reducing structure simultaneously, the valve body 20's of not only being convenient for processing, can reduce the manufacturing cost of device effectively, and the changeover portion still can with the link adaptation connection of communicating pipe 10, so can make communicating pipe 10 be connected the cooperation with valve body 20 better, the holistic structural strength after the device assembly has been guaranteed. Wherein, in other implementations of this application, the external diameter of first section 22 still can set up to be greater than the external diameter of second section 23, the external diameter of first changeover portion 24 is by the direction crescent of first section 22 to second section 23, perhaps the external diameter of first section 22 sets up to be equal to the external diameter of second section 23, specific setting conditions can be selected according to the structure of communicating pipe 10, so can improve the adaptability of device to the application scope of device has been improved, make the device can satisfy the user demand under the different environment.
Further, the periphery of the first section 22 is provided with external threads, the fixing member 30 includes a threaded section 31 and a fixed section 32, the inner wall of the threaded section 31 is provided with internal threads connected with the external threads in a matched manner, and the fixed section 32 is matched with the connecting pipe section to fix the communicating pipe 10. Through setting up mounting 30 and valve body 20 to threaded connection, so can guarantee that mounting 30 is connected with valve body 20 and also be convenient for both dismouting reliably simultaneously to the dismouting efficiency of device has further been improved, and the helicitic texture is convenient for processing simultaneously, has further reduced the manufacturing cost of device.
In other embodiments of the present application, an adhesive or riveted structure may be further provided between the fixing member 30 and the first section 22, which may be selected according to the usage environment of the device, so as to further improve the adaptability of the device.
Further, the communication pipe 10 has a first hole section 11 and a second hole section 12 which are oppositely arranged, the inner diameter of the first hole section 11 is matched with the outer diameter of the first transition section 24, the second hole section 12 is sleeved on the periphery of the second section 23, the sealing element 40 is positioned between the second hole section 12 and the second section 23, a second transition section 33 is further arranged between the thread section 31 and the fixed section 32, the inner diameter of the second transition section 33 is matched with the outer diameter of the first hole section 11, and the inner diameter of the fixed section 32 is matched with the outer diameter of the second hole section 12. So set up, in the installation, communicating pipe 10 can closely laminate with the outer wall of valve body 20, and mounting 30 can be with communicating pipe 10 and valve body 20 fixed connection to avoid appearing the clearance between the outer wall of communicating pipe 10 and valve body 20 as far as possible, guaranteed the leakproofness of device, also further improved the overall structure intensity after the unit mount simultaneously.
Further, a groove is provided on the outer side wall of the second section 23, the groove is located at the end of the second section 23 away from the first section 22, and the sealing member 40 is partially located in the groove. The aforesaid sets up simple structure and easily processing, rationally utilizes the space of second section 23, also can carry on spacingly to sealing member 40 with sealing member 40 setting in the recess simultaneously to prevent that sealing member 40 from taking place the displacement at the operation in-process of device, influenced the sealing performance of device, and sealing member 40 can seal the junction of communicating pipe 10 and the lateral wall of second section 23, take place to reveal in this department in order to avoid the medium, thereby can further improve the sealed effect of device.
Further, the sealing member 40 is embodied as an O-ring. The sealing device is simple in structure, the O-shaped ring has the advantages of being wear-resistant, not prone to deformation and the like, and meanwhile good sealing performance can be kept under the high-temperature and high-pressure environment, so that the sealing performance of the device is guaranteed as far as possible, and the stability of the device in operation is maintained. Of course, in other embodiments of the present application, the sealing manner may also be welding sealing, as long as the sealing requirements of the device can be met.
Further, one end of the second section 23, which is far away from the first section 22, has an end surface, and the end surface and the outer side wall of the second section 23 are transited through a first arc section. So set up, in the installation, first circular arc section can lead communicating pipe 10 to communicating pipe 10 and second section 23's assembly, through setting up above-mentioned structure, can reduce the required assemble duration of subassembly, thereby be favorable to improving the assembly efficiency of device.
Further, the end surface and the inner wall of the second section 23 are transited by a second arc section. When the device moves, the second circular arc section can cushion the fluid in the communicating pipe 10 to prevent the fluid from causing the damage of the second section 23 to the too big impact force of the second section 23, can guarantee the structural strength of the second section 23 through setting up above-mentioned structure, thereby be favorable to prolonging the service life of the communicating pipe 10.
Further, the stop valve also comprises a valve core 50, wherein the valve core 50 is movably arranged in the valve cavity 21, and the axis of the valve cavity 21 is perpendicular to the axis of the connecting pipe section. By adopting the above structure, the valve core 50 can open or close the corresponding valve port in the valve cavity 21, so as to ensure the normal use of the function of the stop valve.
By applying the technical scheme of the utility model, a sealing member 40 is arranged between the connecting pipe section of the communicating pipe 10 and the valve body 20, and the sealing member 40 is enclosed at the outer side of the connecting pipe section, after the device is installed, because the connecting end of the communicating pipe 10 is fixedly connected with the valve body 20 through the fixing member 30, so as to form a first seal for the valve cavity 21, and prevent the medium in the valve cavity 21 from leaking in the operation process of the device, meanwhile, the sealing member 40 can form a second seal for the communicating pipe 10 and the valve body 20, so as to prevent the looseness of the fixing member 30 after the device is operated for a long time, and the leakage of the clearance between the communicating pipe 10 and the connecting pipe section, thereby further ensuring the sealing effect of the device, further ensuring the stability of the device in operation, and simultaneously, the external part of the valve body 20 is arranged into a two-section type, so as to be convenient for the matching connection of the valve body 20 and other components, the device is favorable for improving the disassembly and assembly efficiency of the device, the sealing element 40 is arranged on the outer side wall, the space of the valve body 20 can be reasonably utilized, and the sealing performance of the device is ensured. Meanwhile, the sealing element 40 is an O-shaped ring, the structure is simple, the O-shaped ring has the advantages of being wear-resistant, not prone to deformation and the like, and meanwhile good sealing performance can be kept in a high-temperature and high-pressure environment, so that the sealing performance of the device is guaranteed as far as possible, and the stability of the device in operation is maintained.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a stop valve, the stop valve is used for connecting communicating pipe (10), communicating pipe (10) have link and free end, the link with the stop valve intercommunication, its characterized in that, the stop valve includes:
the valve body (20) is provided with a valve cavity (21) and a connecting pipe section, the connecting pipe section is communicated with the valve cavity (21), the connecting pipe section comprises a first section (22), a first transition section (24) and a second section (23) which are sequentially arranged, the second section (23) is positioned on one side, far away from the valve body (20), of the first section (22), and one end, far away from the first section (22), of the second section (23) is provided with a flow opening;
the fixing piece (30) is sleeved on the periphery of the connecting pipe section and connected with the connecting pipe section, the connecting end is positioned between the fixing piece (30) and the connecting pipe section, and the communicating pipe (10) and the first transition section (24) are fixed on the valve body (20) through the fixing piece (30);
and the sealing element (40) is arranged between the communicating pipe (10) and the connecting pipe section, and the sealing element (40) is arranged on the outer side wall of the second section (23) in a surrounding manner and is close to the circulation port.
2. A valve according to claim 1, wherein the outer diameter of the first section (22) is larger than the outer diameter of the second section (23), and the outer diameter of the first transition section (24) decreases from the first section (22) to the second section (23).
3. The stop valve according to claim 1, characterized in that the periphery of the first section (22) is provided with an external thread, the fixing member (30) comprises a threaded section (31) and a fixing section (32), the inner wall of the threaded section (31) is provided with an internal thread which is matched and connected with the external thread, and the fixing section (32) is matched with the connecting pipe section to fix the communication pipe (10).
4. The stop valve according to claim 3, characterized in that the communicating pipe (10) has a first hole section (11) and a second hole section (12) which are oppositely arranged, the inner diameter of the first hole section (11) is matched with the outer diameter of the first transition section (24), the second hole section (12) is sleeved on the periphery of the second section (23), the sealing member (40) is positioned between the second hole section (12) and the second section (23), a second transition section (33) is further arranged between the thread section (31) and the fixing section (32), the inner diameter of the second transition section (33) is matched with the outer diameter of the first hole section (11), and the inner diameter of the fixing section (32) is matched with the outer diameter of the second hole section (12).
5. A valve according to claim 1, characterized in that the second section (23) is provided with a groove on its outer side wall, said groove being located at the end of the second section (23) remote from the first section (22), said seal (40) being partly located in said groove.
6. A shut-off valve according to claim 1, characterised in that the seal (40) is embodied as an O-ring.
7. The shut-off valve according to claim 1, characterized in that the end of the second section (23) remote from the first section (22) has an end face which merges with the outer side wall of the second section (23) by means of a first circular arc section.
8. A shut-off valve according to claim 7, characterized in that the end surface and the inner wall of the second section (23) are transitional by a second circular arc section.
9. The shut-off valve according to claim 1, characterized in that it further comprises a valve spool (50), said valve spool (50) being movably arranged in said valve chamber (21), the axis of said valve chamber (21) being perpendicular to the axis of said connecting pipe section.
CN202220921811.5U 2022-04-20 2022-04-20 Stop valve Active CN217301781U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220921811.5U CN217301781U (en) 2022-04-20 2022-04-20 Stop valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220921811.5U CN217301781U (en) 2022-04-20 2022-04-20 Stop valve

Publications (1)

Publication Number Publication Date
CN217301781U true CN217301781U (en) 2022-08-26

Family

ID=82915059

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220921811.5U Active CN217301781U (en) 2022-04-20 2022-04-20 Stop valve

Country Status (1)

Country Link
CN (1) CN217301781U (en)

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