CN209925797U - Vacuum pipeline connecting piece - Google Patents
Vacuum pipeline connecting piece Download PDFInfo
- Publication number
- CN209925797U CN209925797U CN201920423833.7U CN201920423833U CN209925797U CN 209925797 U CN209925797 U CN 209925797U CN 201920423833 U CN201920423833 U CN 201920423833U CN 209925797 U CN209925797 U CN 209925797U
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- main part
- pipe
- valve rod
- disk seat
- connecting piece
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Abstract
The utility model relates to a vacuum pipeline connecting piece. Including main part pipe, blast pipe, valve rod, disk seat, blast pipe and main part pipe vertical connection, main part socle portion is located to the disk seat, and main part nose portion is located to the valve rod, and the valve rod passes through seal assembly with main part socle portion and is connected, and the jam is connected to the valve rod bottom, and the disk seat center is equipped with and blocks up the complex centre bore, and main part socle portion outside is equipped with coupling nut, and blast pipe mouth of pipe department is equipped with flange joint spare. The utility model discloses the convenience is connected evacuating device and the pipeline or the cavity that need the evacuation, convenient shutoff and dismantlement behind the evacuation.
Description
Technical Field
The utility model relates to a pipeline connecting piece technical field, in particular to vacuum pipeline connecting piece.
Background
Some pipelines or cavities need to be in a negative pressure state, so that the pipelines or the cavities need to be vacuumized, the vacuum pump is connected with the pipelines to vacuumize the pipelines or the cavities, when the vacuum degree in the pipelines or the cavities meets the requirement, the vacuumizing device needs to be disassembled, and the pipelines or the cavities need to be plugged before the vacuumizing device is disassembled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned problem, provide a vacuum pipeline connecting piece, its convenient pipeline or the cavity with the needs evacuation is connected, convenient shutoff and dismantlement behind the evacuation.
In order to solve the above problem, the utility model discloses a technical scheme as follows:
vacuum line connecting piece, its characterized in that, including main part pipe, blast pipe, valve rod, disk seat, blast pipe and main part pipe vertical connection, main part socle portion is located to the disk seat, and main part nose portion is located to the valve rod, and the valve rod passes through seal assembly with main part nose portion and is connected, and the jam is connected to the valve rod bottom, and the disk seat center is equipped with and blocks up the complex centre bore, the inside sealing washer that is equipped with of main part socle portion, and main part socle portion outside is equipped with coupling nut, and blast pipe mouth of.
The optimization is that, the valve rod top is equipped with outer lid, and outer lid passes through threaded connection with the main part outside of the pipe.
For the vacuum pipeline connecting piece, the sealing assembly comprises a gasket, a sealing ring and a compression nut, the gasket and the sealing ring are arranged on the inner wall of a central hole where the top wall of the main body pipe is connected with the valve rod, and the compression nut is used for compressing the sealing ring and the gasket.
The utility model has the advantages that:
the evacuation mouth that needs evacuation pipeline or cavity is equipped with connecting line, its connecting line upper end is equipped with the external screw thread, external screw thread and coupling nut cooperation, the connecting line with the evacuation mouth is connected with the main part union coupling on the vacuum line connecting piece through coupling nut, the blast pipe passes through flange joint spare with evacuating device's connecting pipe and is connected, lift the valve rod, the jam breaks away from the disk seat, evacuating device is to the pipeline or the cavity evacuation that need the evacuation, take pipeline or the inside atmospheric pressure of cavity to reach when needing, press down the valve rod, the disk seat centre bore is stopped up in the jam, dismantle evacuating device through flange joint spare this moment.
The utility model discloses the convenience is connected evacuating device and the pipeline or the cavity that need the evacuation, convenient shutoff and dismantlement behind the evacuation.
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 obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the vacuum pipeline connector of the present invention;
fig. 2 is a schematic structural view of the flange connector of the present invention;
fig. 3 is a schematic structural view of the valve seat of the present invention;
description of reference numerals:
the sealing device comprises a main pipe-1, an exhaust pipe-2, a valve rod-3, a valve seat-4, a sealing component-5, a gasket-51, a sealing ring-52, a compression nut-53, a plug-6, a flange connecting piece-7, an outer cover body-8 and a connecting nut-9.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to the attached drawings 1-3 of the specification, a vacuum pipeline connecting piece comprises a main body pipe 1, an exhaust pipe 2, a valve rod 3 and a valve seat 4, wherein the exhaust pipe 2 is vertically connected with the main body pipe 1, the valve seat 4 is arranged at the bottom of the main body pipe 1, the valve rod 3 is arranged at the top of the main body pipe 1, the valve rod 3 is connected with the top of the main body pipe 1 through a sealing assembly 5, in the process of moving the valve rod up and down, the sealing assembly plays a role in sealing and preventing abrasion to the valve rod, a plug 6 is connected with the bottom end of the valve rod 3, a central hole matched with the plug 6 is formed in the center of the valve seat 4, after vacuumizing, the plug is plugged into the central hole of the valve seat, the bottom of the main body pipe 1 is plugged by the plug, a sealing ring is arranged inside the bottom end of the main body pipe 1, the connection is convenient, the flange connecting piece is used for connecting the exhaust pipe with the connecting pipe of the vacuum pumping device, the structure of the flange connecting piece adopted by the embodiment refers to the attached figure 2 in the specification, and the vacuum pumping device and the exhaust pipe can be quickly connected and detached. The connecting pipeline of the vacuumizing port is connected with the main body pipe on the vacuum pipeline connecting piece through the connecting nut, the exhaust pipe is connected with the connecting pipe of the vacuumizing device through the flange connecting piece, the valve rod is lifted upwards, the valve seat is blocked and separated, the vacuumizing device vacuumizes the pipeline or the cavity needing vacuumizing, the air pressure in the pipeline or the cavity reaches the requirement, the valve rod is pressed downwards, the valve seat center hole is blocked by the plug, and the vacuumizing device is detached through the flange connecting piece at the moment.
The top of the valve rod 3 is provided with an outer cover body 8, the outer cover body 8 and the main pipe 1 are externally connected through threads to press the valve rod, the valve seat center hole is blocked, when the outer cover body contacts the main pipe, the outer cover body is rotated, and in the connection process of the outer cover body and the main pipe, the outer cover body is downwards extruded to be blocked, so that the blockage is more tightly connected with the valve seat, and under the extrusion fixation of the outer cover body, the valve rod is not loosened, so that the blockage is not separated from the valve seat.
The sealing assembly comprises a gasket 51, a sealing ring 52 and a compression nut 53, wherein the gasket 51 and the sealing ring 52 are arranged on the inner wall of a central hole for connecting the top wall of the main pipe 1 and the valve rod 3, and the compression nut 53 is used for compressing the sealing ring 52 and the gasket 51.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred embodiments of the present invention, and the present invention is not limited by the above preferred embodiments, and various changes and modifications can be made without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the present invention as claimed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. Vacuum line connecting piece, a serial communication port, including main part pipe (1), blast pipe (2), valve rod (3), disk seat (4), blast pipe (2) and main part pipe (1) vertical connection, main part pipe (1) bottom is located in disk seat (4), main part pipe (1) top is located in valve rod (3), valve rod (3) are passed through seal assembly (5) with main part pipe (1) top and are connected, jam (6) are connected to valve rod (3) bottom, disk seat (4) center is equipped with and blocks up (6) complex centre bore, main part pipe (1) bottom inside is equipped with the sealing washer, main part pipe (1) bottom outside is equipped with coupling nut (9), blast pipe (2) mouth of pipe department is equipped with flange joint spare (7).
2. The vacuum line connection according to claim 1, wherein an outer cover (8) is provided on the top of the valve stem (3), and the outer cover (8) is connected to the outside of the main tube (1) by a screw thread.
3. The vacuum line connection according to claim 1, wherein the sealing assembly comprises a gasket (51), a sealing ring (52) and a compression nut (53), the gasket (51) and the sealing ring (52) are arranged on the inner wall of the central hole of the top wall of the main tube (1) connected with the valve rod (3), and the compression nut (53) is used for compressing the sealing ring (52) and the gasket (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920423833.7U CN209925797U (en) | 2019-04-01 | 2019-04-01 | Vacuum pipeline connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920423833.7U CN209925797U (en) | 2019-04-01 | 2019-04-01 | Vacuum pipeline connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209925797U true CN209925797U (en) | 2020-01-10 |
Family
ID=69072061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920423833.7U Active CN209925797U (en) | 2019-04-01 | 2019-04-01 | Vacuum pipeline connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209925797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178216A (en) * | 2020-09-30 | 2021-01-05 | 亚达管道系统股份有限公司 | Quick-release type ultrahigh vacuum sealing joint |
| CN112178217A (en) * | 2020-09-30 | 2021-01-05 | 亚达管道系统股份有限公司 | Quick-release type ultrahigh vacuum connector |
-
2019
- 2019-04-01 CN CN201920423833.7U patent/CN209925797U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178216A (en) * | 2020-09-30 | 2021-01-05 | 亚达管道系统股份有限公司 | Quick-release type ultrahigh vacuum sealing joint |
| CN112178217A (en) * | 2020-09-30 | 2021-01-05 | 亚达管道系统股份有限公司 | Quick-release type ultrahigh vacuum connector |
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