CN212055859U - Miniaturized vacuum valve - Google Patents
Miniaturized vacuum valve Download PDFInfo
- Publication number
- CN212055859U CN212055859U CN202020682214.2U CN202020682214U CN212055859U CN 212055859 U CN212055859 U CN 212055859U CN 202020682214 U CN202020682214 U CN 202020682214U CN 212055859 U CN212055859 U CN 212055859U
- Authority
- CN
- China
- Prior art keywords
- hole
- valve
- valve core
- annular groove
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses a miniaturized vacuum valve, which comprises a shell, a valve cover, a valve sleeve, a valve core, a limit screw, a positioning pin, a gasket and a nut, wherein the shell is provided with a mounting hole, the valve sleeve is arranged in the mounting hole of the shell through the gasket and the nut and is positioned through the positioning pin; the outer wall of the valve sleeve is sequentially provided with a convex ring, a first annular groove and a valve sleeve external thread from top to bottom, the convex ring is located at the upper end of the valve sleeve, the first annular groove is located in the middle of the valve sleeve, the valve sleeve external thread is provided with the lower end of the valve sleeve, and the valve sleeve external thread is in threaded connection with the nut. The utility model has simple structure and reliable use, and adopts the built-in vacuum valve to effectively solve the connection problem between the underwater unmanned submersible vehicle and the hull of the navigation device; the volume of the valve body is greatly reduced by adopting intensive design, so that the application range of the valve body is expanded.
Description
Technical Field
The utility model relates to a valve, in particular to miniaturized vacuum valve.
Background
The vacuum valve refers to a vacuum system component used for changing the direction of air flow, adjusting the magnitude of air flow and cutting off or connecting a pipeline in a vacuum system. The existing vacuum valve has larger volume and can not be used on underwater submergence devices which need more compact space structure, so that a more miniaturized vacuum valve is needed.
Disclosure of Invention
The utility model discloses a miniaturized vacuum valve aims at solving the bulky scheduling problem of current vacuum valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a miniaturized vacuum valve comprises a shell, a valve cover, a valve sleeve, a valve core, a limit screw, a positioning pin, a gasket and a nut,
the valve sleeve is arranged in the mounting hole of the shell through the gasket and the nut and is positioned through the positioning pin;
the outer wall of the valve sleeve is sequentially provided with a convex ring, a first annular groove and a valve sleeve external thread from top to bottom, the convex ring is positioned at the upper end of the valve sleeve, the first annular groove is positioned in the middle of the valve sleeve, the valve sleeve external thread is arranged at the lower end of the valve sleeve, the valve sleeve external thread is in threaded connection with the nut, the inner wall of the valve sleeve is sequentially provided with a first internal thread hole, a second hole, a third hole, a fourth hole, a fifth hole and a sixth hole which are coaxial and communicated from top to bottom, the aperture of the first internal thread hole is larger than that of the second hole, the aperture of the second hole is smaller than that of the third hole, the aperture of the third hole is larger than that of the fourth hole, the aperture of the fourth hole is larger than that of the fifth hole, the aperture of the fifth hole is smaller than that of the sixth hole, and at least three through holes are uniformly distributed on one sides of the fifth hole and the sixth hole on the valve sleeve, the through hole is communicated with the fourth hole, and the valve core is arranged in the valve sleeve;
the outer contour of the valve core is matched with the inner contour of the valve cover, the outer wall of the valve core is sequentially provided with a valve core external thread, a second annular groove, a third annular groove and a clamping column from top to bottom, the inner wall of the valve core is sequentially provided with a valve core first hole, a valve core second hole, a valve core third hole and a valve core screw hole from top to bottom, the valve core first hole, the valve core second hole and the valve core third hole are communicated, the diameter of the valve core first hole is larger than that of the valve core second hole, the axis of the valve core third hole is perpendicular to the axis of the valve core, the valve core screw hole is formed in the lower end face of the valve core, and the limiting screw is in threaded connection with the valve core screw hole and used for limiting the valve core;
an annular groove is formed in the lower end face of the valve cover, a valve cover external thread is arranged on the outer wall of the valve cover, the valve cover is in threaded connection with the first internal thread hole of the valve sleeve through the valve cover external thread, and the annular groove wraps the upper end of the valve core;
when the third hole of the valve core and the third hole of the valve sleeve are in the same axis, the vacuum valve is in a sealing state; when the third hole of the valve sleeve and the third annular groove are in the same axis, the through hole is communicated with the vacuum valve through the fourth hole, the third hole of the valve core, the first hole of the valve core and the second hole of the valve core in sequence to be in a vacuum pumping state.
Preferably, the lower end surface of the convex ring, the first annular groove, the second annular groove and the third annular groove are all sleeved with O-shaped rubber sealing rings.
Preferably, the fifth hole is a square hole, the position clamping column is of a flat structure, and the position clamping column is correspondingly inserted into the fifth hole and used for preventing the valve core from rotating.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model has simple structure and reliable use, and adopts the built-in vacuum valve to effectively solve the connection problem between the underwater unmanned submersible vehicle and the hull of the navigation device;
2. the utility model adopts the intensive design to greatly reduce the volume of the valve body, thereby enlarging the application range of the valve body;
3. the utility model discloses thereby the volume reduces thereby the case is more sensitive has prolonged the life of product.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic view of the housing structure of the present invention;
fig. 2 is a schematic view of the valve cover structure of the present invention;
fig. 3 is a front view cross-sectional view of the valve housing of the present invention;
fig. 4 is a top view of the valve housing of the present invention;
fig. 5 is a front view cross-sectional view of the valve cartridge of the present invention;
fig. 6 is a bottom view of the valve cartridge of the present invention;
FIG. 7 is a view showing the sealing operation state of the present invention;
fig. 8 is a diagram of the vacuum-pumping working state of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1-8, the miniaturized vacuum valve comprises a housing 1, a valve cover 2, a nut 3, a valve sleeve 4, a valve core 5, a limit screw 6, a positioning pin 7 and a gasket 8,
the housing 1 is provided with a mounting hole 11, the valve sleeve 4 is mounted in the mounting hole 11 of the housing 1 through the gasket 8 and the nut 3, and is positioned through the positioning pin 7; a positioning pin hole 12 is formed in the shell 1 and used for installing the positioning pin 7;
the outer wall of the valve sleeve 4 is provided with a convex ring 41, a first annular groove 42 and a valve sleeve external thread 43 in sequence from top to bottom, the convex ring 41 is located at the upper end of the valve sleeve 4, the first annular groove 42 is located in the middle of the valve sleeve 4, the valve sleeve external thread 43 is provided with the lower end of the valve sleeve 4, the valve sleeve external thread 43 is in threaded connection with the nut 3, the inner wall of the valve sleeve 4 is provided with a first internal thread hole 44, a second hole 45, a third hole 46, a fourth hole 47, a fifth hole 48 and a sixth hole 49 which are coaxially and communicated in sequence from top to bottom, the aperture of the first internal thread hole 44 is larger than that of the second hole 45, the aperture of the second hole 45 is smaller than that of the third hole 46, the aperture of the third hole 46 is larger than that of the fourth hole 47, the aperture of the fourth hole 47 is larger than that of the fifth hole 48, and the aperture of the fifth hole 48 is smaller than that of the sixth hole 49, at least three through holes 491 are uniformly distributed on one side of a fifth hole 48 and one side of a sixth hole 49 on the valve sleeve 4, the through holes 491 are communicated with the fourth hole 47, and the valve core 5 is arranged in the valve sleeve 4;
the outer contour of the valve core 5 is matched with the inner contour of the valve cover 2, the outer wall of the valve core 5 is sequentially provided with a valve core external thread 51, a second annular groove 52, a third annular groove 53 and a clamping column 531 from top to bottom, the inner wall of the valve core is sequentially provided with a valve core first hole 54, a valve core second hole 55, a valve core third hole 56 and a valve core screw hole 57 from top to bottom, the valve core first hole 54, the valve core second hole 55 and the valve core third hole 56 are all communicated, the diameter of the valve core first hole 54 is larger than that of the valve core second hole 55, the axis of the valve core third hole 56 is perpendicular to the axis of the valve core 5, the valve core screw hole 57 is arranged on the lower end face of the valve core 5, and the limit screw 6 is in threaded connection with the valve core screw hole 57 and used for limiting the valve core;
in order to facilitate vacuum pumping, the upper part of the third annular groove 53 on the outer contour of the valve core 5 is provided with an annular first drainage groove 58, and the lower part is uniformly provided with at least three second drainage grooves 59.
An annular groove 21 is formed in the lower end face of the valve cover 2, a valve cover external thread 22 is arranged on the outer wall of the valve cover 2, the valve cover 2 is in threaded connection with the first internal thread hole 44 of the valve sleeve 4 through the valve cover external thread 22, and the annular groove 21 wraps the upper end of the valve core 5; the upper end surface of the valve cover 2 is provided with an inner hexagonal hole 23.
When the third bore 56 of the valve core is coaxial with the third bore 46 of the valve housing 4, the vacuum valve is in a sealed state; when the third hole 46 of the valve sleeve 4 and the third annular groove 53 are coaxial, the through hole 491 is communicated with the fourth hole 47, the third hole 46, the valve core third hole 56, the valve core first hole 54 and the valve core second hole 55 in sequence, and a vacuum valve is in a vacuum state.
The lower end surface of the convex ring 41, the first annular groove 42, the second annular groove 52 and the third annular groove 53 are all sleeved with O-shaped rubber sealing rings.
The fifth hole 48 is a square hole, the position-locking column 531 is a flat structure, and the position-locking column 531 is correspondingly inserted into the fifth hole 48 to prevent the valve core 5 from rotating.
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, improvement, component separation or combination made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A miniaturized vacuum valve comprises a shell, a valve cover, a valve sleeve, a valve core, a limit screw, a positioning pin, a gasket and a nut, and is characterized in that,
the valve sleeve is arranged in the mounting hole of the shell through the gasket and the nut and is positioned through the positioning pin;
the outer wall of the valve sleeve is sequentially provided with a convex ring, a first annular groove and a valve sleeve external thread from top to bottom, the convex ring is positioned at the upper end of the valve sleeve, the first annular groove is positioned in the middle of the valve sleeve, the valve sleeve external thread is arranged at the lower end of the valve sleeve, the valve sleeve external thread is in threaded connection with the nut, the inner wall of the valve sleeve is sequentially provided with a first internal thread hole, a second hole, a third hole, a fourth hole, a fifth hole and a sixth hole which are coaxial and communicated from top to bottom, the aperture of the first internal thread hole is larger than that of the second hole, the aperture of the second hole is smaller than that of the third hole, the aperture of the third hole is larger than that of the fourth hole, the aperture of the fourth hole is larger than that of the fifth hole, the aperture of the fifth hole is smaller than that of the sixth hole, and at least three through holes are uniformly distributed on one sides of the fifth hole and the sixth hole on the valve sleeve, the through hole is communicated with the fourth hole, and the valve core is arranged in the valve sleeve;
the outer contour of the valve core is matched with the inner contour of the valve cover, the outer wall of the valve core is sequentially provided with a valve core external thread, a second annular groove, a third annular groove and a clamping column from top to bottom, the inner wall of the valve core is sequentially provided with a valve core first hole, a valve core second hole, a valve core third hole and a valve core screw hole from top to bottom, the valve core first hole, the valve core second hole and the valve core third hole are communicated, the diameter of the valve core first hole is larger than that of the valve core second hole, the axis of the valve core third hole is perpendicular to the axis of the valve core, the valve core screw hole is formed in the lower end face of the valve core, and the limiting screw is in threaded connection with the valve core screw hole and used for limiting the valve core;
an annular groove is formed in the lower end face of the valve cover, a valve cover external thread is arranged on the outer wall of the valve cover, the valve cover is in threaded connection with the first internal thread hole of the valve sleeve through the valve cover external thread, and the annular groove wraps the upper end of the valve core;
when the third hole of the valve core and the third hole of the valve sleeve are in the same axis, the vacuum valve is in a sealing state; when the third hole of the valve sleeve and the third annular groove are in the same axis, the through hole is communicated with the vacuum valve through the fourth hole, the third hole of the valve core, the first hole of the valve core and the second hole of the valve core in sequence to be in a vacuum pumping state.
2. The miniaturized vacuum valve of claim 1 wherein the lower end surface of the male ring, the first annular groove, the second annular groove, and the third annular groove are fitted with O-ring seals.
3. The miniaturized vacuum valve of claim 1 wherein the fifth hole is a square hole, the retention post is a flat structure, and the retention post is correspondingly inserted into the fifth hole to prevent the valve core from rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020682214.2U CN212055859U (en) | 2020-04-28 | 2020-04-28 | Miniaturized vacuum valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020682214.2U CN212055859U (en) | 2020-04-28 | 2020-04-28 | Miniaturized vacuum valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212055859U true CN212055859U (en) | 2020-12-01 |
Family
ID=73518926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020682214.2U Active CN212055859U (en) | 2020-04-28 | 2020-04-28 | Miniaturized vacuum valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212055859U (en) |
-
2020
- 2020-04-28 CN CN202020682214.2U patent/CN212055859U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212055859U (en) | Miniaturized vacuum valve | |
| CN105782614B (en) | The sealing snap joint of plug-in | |
| CN103448890B (en) | Small autokinetic-movementocean ocean observation platform shell | |
| CN112290296A (en) | Floating connector | |
| CN203787667U (en) | Connector for sealed cabin penetrating cable of underwater propeller | |
| CN214690110U (en) | Small-size watertight pressure-resistant cabin in deep sea | |
| CN220769827U (en) | Sealing plug for pilot control oil way | |
| CN212003801U (en) | Special equipment check valve | |
| CN209781792U (en) | Pressure relief explosion-proof device | |
| CN207162255U (en) | A kind of unmanned remotely controlled submersible vehicle lighting module | |
| CN217114225U (en) | Flow switch | |
| CN212960038U (en) | Safety valve for underwater oxygen pressure reducer | |
| CN214578984U (en) | High-pressure built-in vacuum valve | |
| CN2884589Y (en) | Waterproof plug | |
| CN218118714U (en) | Three-way ball valve | |
| CN211976059U (en) | Exhaust valve | |
| CN212536810U (en) | Miniature safety valve | |
| CN214037292U (en) | Water sealing connecting structure and water sealing structural part | |
| CN209458412U (en) | A kind of novel through type compressed natural gas for automobile charge valve | |
| CN218377697U (en) | Plunger valve | |
| CN218929379U (en) | Waterproof device and vehicle | |
| CN211371441U (en) | High leakproofness valve drive arrangement | |
| CN209948180U (en) | Connecting structure | |
| CN214542718U (en) | Sealing connector | |
| CN220585136U (en) | Diving lamp switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |