CN216812085U - Vacuum-pumping device - Google Patents
Vacuum-pumping device Download PDFInfo
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- CN216812085U CN216812085U CN202123414963.0U CN202123414963U CN216812085U CN 216812085 U CN216812085 U CN 216812085U CN 202123414963 U CN202123414963 U CN 202123414963U CN 216812085 U CN216812085 U CN 216812085U
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- evacuation
- vacuum pumping
- vacuum
- connecting end
- connection
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Abstract
The utility model relates to the technical field of vacuum pumping, in particular to a vacuum pumping device which comprises a vacuum pumping body, a vacuum pumping mandrel and a hand wheel, wherein the vacuum pumping body is provided with an installation part and a connection part, the middle part of the installation part is provided with a vacuum pumping hole, the vacuum pumping mandrel is installed inside the vacuum pumping hole, the hand wheel is connected with the head end of the vacuum pumping mandrel through a screw, the connection part is provided with a plurality of connection ends, and the connection ends are all communicated with the vacuum pumping hole. The vacuumizing body is provided with a negative pressure meter connecting end, a vacuumizing pump air pipe connecting end and a sealing shell connecting end, wherein the negative pressure meter is installed at the negative pressure meter connecting end, the vacuumizing pump air pipe connecting end is connected with a vacuumizing pump air pipe, the sealing shell connecting end is connected with a sealing shell needing vacuumizing, the connection is reliable, an O-shaped sealing ring is adopted for sealing, the sealing shell is easy to replace when being damaged, and the service life of the device is prolonged.
Description
Technical Field
The utility model relates to the technical field of vacuum pumping, in particular to a vacuum pumping device.
Background
Evacuating device is used for taking out the inside air of sealed product in order to reach predetermined vacuum, and present evacuating device is connected with the trachea of treating the evacuation, and the rigid interface of junction often damages, and life is low, can't acquire sealed product inside atmospheric pressure data simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a vacuumizing device for solving the problems, which can be connected with a plurality of air pipes to be vacuumized, adopts an O-shaped sealing ring for sealing and is easy to replace when being damaged.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an evacuating device, includes evacuation body, evacuation dabber and hand wheel, the evacuation body has installation department and connecting portion, the evacuation hole is seted up at the middle part of installation department, the evacuation dabber install in the inside in evacuation hole, the hand wheel pass through the screw with the head end of evacuation dabber is connected, connecting portion have a plurality of links, the link all with evacuation hole intercommunication.
Preferably, the end part inner side of the mounting part is provided with an internal thread, the outer circumference of the middle part of the vacuumizing mandrel is provided with an external thread, and the external thread of the vacuumizing mandrel is in threaded connection with the internal thread of the vacuumizing hole.
Preferably, the device is provided with a mandrel cap, the outer side of the end part of the mounting part is provided with an external thread, and the mandrel cap is in threaded connection with the external thread of the mounting part.
Preferably, the connecting portion has three connecting ends.
Preferably, the three connecting ends are respectively a negative pressure meter connecting end, a vacuum pumping air pipe connecting end and a sealing shell connecting end.
Preferably, the connecting end of the air pipe of the vacuum pumping pump is connected with a first joint pipe through a first valve cover, the connecting end of the sealing shell is connected with a second joint pipe through a positioning pin, and a second valve cover is installed at the end part of the second joint pipe.
Preferably, the first valve cover and the second valve cover are both provided with protrusions for screwing the valve covers.
Preferably, two annular grooves are formed in the outer circumference of the tail end of the vacuumizing mandrel, and an O-shaped sealing ring is mounted on each annular groove.
Preferably, an annular groove is formed in a portion, inserted into the connection end of the air pipe of the vacuum pumping pump, of the outer circumference of the first joint pipe, an O-shaped sealing ring is installed on the annular groove, an annular groove is formed in a portion, inserted into the connection end of the sealing shell, of the outer circumference of the second joint pipe, and an O-shaped sealing ring is installed on the annular groove.
Compared with the prior art, the utility model has the beneficial effects that:
the vacuumizing body is provided with a negative pressure meter connecting end, a vacuumizing pump air pipe connecting end and a sealing shell connecting end, wherein the negative pressure meter is installed at the negative pressure meter connecting end, the vacuumizing pump air pipe connecting end is connected with a vacuumizing pump air pipe, the sealing shell connecting end is connected with a sealing shell needing vacuumizing, the connection is reliable, an O-shaped sealing ring is adopted for sealing, the sealing shell is easy to replace when being damaged, and the service life of the device is prolonged.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the vacuum pumping body;
fig. 3 is a reference diagram of the use 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. 1-2, an evacuating device comprises an evacuating body 1, an evacuating mandrel 2 and a hand wheel 3, wherein the evacuating body 1 is provided with an installation part and a connection part, an evacuating hole 1a is formed in the middle of the installation part, the evacuating mandrel 2 is installed in the evacuation hole 1a, the hand wheel 3 is connected with the head end of the evacuating mandrel 2 through a screw 4, the connection part is provided with a plurality of connection ends, and the connection ends are communicated with the evacuating hole 1 a. A gasket 5 is also arranged between the screw 4 and the hand wheel 3.
The tip inboard of installation department is provided with the internal thread, set up the external screw thread on the circumference of evacuation dabber 2's middle part, the external screw thread of evacuation dabber 2 with the internal thread threaded connection of evacuation hole 1 a.
The device has dabber cap 6, the tip outside of installation department is provided with the external screw thread, dabber cap 6 with installation department external screw thread threaded connection, dabber cap 6 is spacing in order to prevent deviating from to evacuation dabber 2 when being used for the valve opening.
The connecting part is provided with three connecting ends which are respectively a negative pressure meter connecting end 7, a vacuum pumping pump air pipe connecting end 8 and a sealing shell connecting end 9.
The air pipe connecting end 8 of the vacuum pumping pump is connected with a first joint pipe 11 through a first valve cover 10, the sealing shell connecting end 9 is connected with a second joint pipe 13 through a positioning pin 12, and a second valve cover 14 is installed at the end part of the second joint pipe 13.
The first valve cover 10 and the second valve cover 14 are both provided with protrusions 16 for screwing the valve covers.
Two annular grooves are formed in the outer circumference of the tail end of the vacuumizing mandrel 2, and each annular groove is provided with an O-shaped sealing ring.
The part of inserting on the outer circumference of first adapter tube 11 evacuation pump trachea connection end 8 has seted up the ring channel, install O type sealing washer on the ring channel, the part of inserting on the outer circumference of second adapter tube 13 sealed casing connection end 9 has seted up the ring channel, install O type sealing washer on the ring channel.
When the vacuum pump is used as shown in fig. 3, the negative pressure meter 15 is installed at the negative pressure meter connecting end 7, the vacuum pumping air pipe connecting end 8 is connected with a vacuum pumping air pipe, the sealing shell connecting end 9 is connected with a sealing shell needing vacuum pumping, the vacuum pumping mandrel 2 is rotated by screwing the hand wheel 3, so that the vacuum pumping hole 1a is communicated with the negative pressure meter connecting end 7, the vacuum pumping air pipe connecting end 8 and the sealing shell connecting end 9, air in the sealing shell needing vacuum pumping can be pumped out by starting the vacuum pump, and meanwhile, the negative pressure meter 15 can display pressure.
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 and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an evacuating device, includes evacuation body, evacuation dabber and hand wheel, the evacuation body has installation department and connecting portion, the evacuation hole is seted up at the middle part of installation department, the evacuation dabber install in the inside in evacuation hole, the hand wheel pass through the screw with the head end of evacuation dabber is connected, its characterized in that, connecting portion have a plurality of links, the link all with evacuation hole intercommunication.
2. The vacuum extractor as claimed in claim 1, wherein the inner side of the end of the mounting portion is provided with an internal thread, the outer circumference of the middle portion of the vacuum extracting mandrel is provided with an external thread, and the external thread of the vacuum extracting mandrel is in threaded connection with the internal thread of the vacuum extracting hole.
3. An evacuation device according to claim 1, wherein the device has a spindle cap, and the outer side of the end of the mounting portion is provided with an external thread, and the spindle cap is screwed with the external thread of the mounting portion.
4. An evacuation device according to claim 1, wherein the connecting portion has three connecting ends.
5. An evacuation device according to claim 4, wherein the three connection terminals are respectively a negative pressure gauge connection terminal, an evacuation pump air pipe connection terminal and a sealing housing connection terminal.
6. An evacuating device according to claim 5, characterized in that the evacuating pump air pipe connecting end is connected with a first joint pipe through a first valve cover, the sealing housing connecting end is connected with a second joint pipe through a positioning pin, and a second valve cover is mounted on the end of the second joint pipe.
7. The vacuum pumping apparatus as claimed in claim 6, wherein the first valve cover and the second valve cover are each provided with a protrusion for screwing the valve cover.
8. The vacuum extractor as claimed in claim 1, wherein two annular grooves are formed on the outer circumference of the end of the vacuum extracting mandrel, and each annular groove is provided with an O-ring.
9. The vacuum pumping device as claimed in claim 6, wherein the first joint pipe has an annular groove formed in a portion of an outer circumference thereof inserted into the connection end of the vacuum pumping pipe, the annular groove being provided with an O-ring, the second joint pipe has an annular groove formed in a portion of an outer circumference thereof inserted into the connection end of the sealing housing, and the annular groove being provided with an O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123414963.0U CN216812085U (en) | 2021-12-31 | 2021-12-31 | Vacuum-pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123414963.0U CN216812085U (en) | 2021-12-31 | 2021-12-31 | Vacuum-pumping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216812085U true CN216812085U (en) | 2022-06-24 |
Family
ID=82061138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123414963.0U Active CN216812085U (en) | 2021-12-31 | 2021-12-31 | Vacuum-pumping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216812085U (en) |
-
2021
- 2021-12-31 CN CN202123414963.0U patent/CN216812085U/en active Active
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