CN211840698U - Instantaneous shutoff welding set of thermal-insulated pipe - Google Patents
Instantaneous shutoff welding set of thermal-insulated pipe Download PDFInfo
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- CN211840698U CN211840698U CN202020245196.1U CN202020245196U CN211840698U CN 211840698 U CN211840698 U CN 211840698U CN 202020245196 U CN202020245196 U CN 202020245196U CN 211840698 U CN211840698 U CN 211840698U
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Abstract
The utility model discloses an instantaneous plugging welding device for a heat insulation pipe, which belongs to the field of pipe welding and comprises a vacuum welding mechanism body and a welding rod, wherein an inner cavity of the vacuum welding mechanism body is provided with a sliding groove, a sealing ring is arranged in the sliding groove, a sealing end cover for fixing the sealing ring is arranged above the sealing ring, the bottom of the vacuum welding mechanism body is provided with a welding hole, the lower left side of the vacuum welding mechanism body is provided with an exhaust pipe, a lifting mechanism for lifting or pushing the welding rod is arranged above the welding rod, and the bottom of the welding rod is connected with a welding plug by using a plug fixing screw; the bottom of the vacuum welding mechanism body is provided with a sealing gasket for sealing, a vacuumizing system can directly vacuumize or fill heat-insulating inert gas through a pipeline, the heat-insulating pipe instantaneous plugging welding device can form a closed space, and then a lifting mechanism is used for pushing a welding rod downwards to perform instantaneous welding.
Description
Technical Field
The utility model relates to a tubular product welding field specifically is an instantaneous shutoff welding set of thermal-insulated pipe.
Background
Traditional thermal-insulated pipe shutoff pipe welding technique divide into two steps, uses the evacuation unit to carry out the evacuation to the thermal-insulated pipe at first, and the evacuation is accomplished the back, closes the evacuation unit, later welds the thermal-insulated pipe again, and during this period, the thermal-insulated pipe does not realize sealedly, leads to having the air to get into, influences product vacuum and thermal-insulated effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an instantaneous shutoff welding set of thermal-insulated pipe to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an instantaneous shutoff welding set of insulating tube, includes vacuum welding mechanism body and welding stick vacuum welding mechanism body inner chamber is equipped with the sliding tray be equipped with first sealing washer in the sliding tray, just the top of first sealing washer is equipped with and is used for fixing the end cover of sealing of first sealing washer, the welding stick passes through the sliding tray slides and inserts and establish vacuum welding mechanism body inner chamber, the welding stick top is equipped with and is used for promoting or promotes the hoist mechanism of welding stick, vacuum welding mechanism body bottom is equipped with the welding hole, the welding stick bottom is fixed with and welds hole matched with welding and blocks up, the left downside of vacuum welding mechanism body is equipped with the exhaust tube, be equipped with outer packing pad between vacuum welding mechanism body and the insulating tube outer tube.
As a further aspect of the present invention: an inner sealing gasket is arranged between the vacuum welding mechanism body and the outer pipe of the heat insulation pipe, and the inner sealing gasket and the outer sealing gasket form a double-layer sealing structure.
As a further aspect of the present invention: and a fixed end cover is arranged above the inner side of the welding hole.
As a further aspect of the present invention: and a second sealing ring is arranged below the fixed end cover.
As a further aspect of the present invention: the bottom of the welding rod is connected with a welding plug through a plug fixing screw.
Compared with the prior art, the beneficial effects of the utility model are that: when the pipeline carries out evacuation or fills thermal-insulated inert gas, this instantaneous shutoff welding set of heat insulating pipe can form airtight space, then carries out instantaneous welding, and this device adopts double-deck seal structure, effectively prevents because of the irregularity or the roughness uneven on heat insulating pipe outer tube surface to and only use the gas leakage that the clamping reason of outer packing pad leads to, through welding hole inboard top is equipped with the fixed end cover, has solved the direction problem, can effectually make the welding block up the assigned position of welding at heat insulating pipe outer tube surface, through the below of fixed end cover is equipped with the second sealing washer, can prevent that the vacuum leakage from leading to gas to pass to the vacuum unit from the evacuation pipeline during the welding, prolongs unit life of managing to find time.
Drawings
Fig. 1 is a schematic structural diagram of an instant blocking and welding device for an insulating pipe.
FIG. 2 is an enlarged view of a welding hole of the device for instantly blocking and welding the heat insulation pipe.
Fig. 3 is a schematic structural diagram of an instant blocking welding device for a heat insulation pipe during welding.
In the figure: 1-lifting mechanism, 2-sealing end cover, 3-welding copper bar, 4-vacuum welding mechanism body, 5-first sealing ring, 6-welding plug, 7-plug fixing screw, 8-fixing end cover, 9-second sealing ring, 10-sealing pad, 11-sealing pad, 12-heat insulation pipe outer pipe, 13-sliding groove, 14-welding hole and 15-exhaust pipe.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.
Example 1
Referring to fig. 1-3, an instantaneous plugging welding device for heat insulation pipe comprises a vacuum welding mechanism body 4 and a welding rod 3,
the inner cavity of the vacuum welding mechanism body 4 is provided with a sliding groove 13, a first sealing ring 5 is arranged in the sliding groove 13, a sealing end cover 2 used for fixing the first sealing ring 5 is arranged above the first sealing ring 5, a welding rod 3 passes through the sliding groove 13 and is slidably inserted into the inner cavity of the vacuum welding mechanism body 4, a lifting mechanism 1 used for lifting or pushing the welding rod 3 is arranged above the welding rod 3, a welding hole 14 is formed in the bottom of the vacuum welding mechanism body 4, a welding plug 6 matched with the welding hole 14 is fixed at the bottom of the welding rod 3, an exhaust tube 15 is arranged on the lower left side of the vacuum welding mechanism body 4, and an outer sealing gasket 11 is arranged between the vacuum welding mechanism body 4 and a heat insulation tube outer tube 12.
The sealing end cover 2, the welding rod 3, the vacuum welding mechanism main body 4 and the heat insulation pipe 13 form a closed space through the first sealing ring 5, the outer sealing gasket 11 and the outer surface of the heat insulation pipe outer pipe 12, a vacuumizing system can vacuumize or fill heat insulation inert gas through the exhaust pipe 15, and then the lifting mechanism 1 is used for pushing the welding rod 3 downwards to perform instantaneous welding.
In this embodiment, the fixed end cover 8 is arranged above the inner side of the welding hole 14 of the vacuum welding mechanism body 4, when the heat insulation pipe body reaches the vacuum degree or the pressure of the filled inert gas meets the requirement, the lifting mechanism 1 pushes the welding rod 3 downwards to be welded after being guided by the vacuum welding mechanism body 4 and the fixed end cover 8, and the welding plug 6 can not be welded at the designated position on the outer surface of the heat insulation pipe outer pipe 12 in the welding process can be effectively prevented.
In this embodiment, the below of fixed end cover 8 is equipped with second sealing washer 9, and during the welding, welding plug 6 is in the 12 assigned positions of insulating tube outer tube, welding bar copper 3 passes through sealing washer 9 with vacuum welding mechanism body 4 forms sealed space, prevents that during the welding vacuum leakage from resulting in gaseous follow exhaust tube 15 passes to the vacuum unit, strikes the evacuation unit, influences the life of evacuation unit.
The working principle of the embodiment is as follows: the device mainly solves the sealing problem of the heat insulation pipe during vacuumizing and the problems of whether the heat insulation pipe can be welded at a designated position of an outer pipe 12 of the heat insulation pipe and sealing during welding, a sliding groove 13 is arranged in an inner cavity of a vacuum welding mechanism body 4, a first sealing ring 5 is arranged in the sliding groove 13, and an inner sealing gasket 10 and an outer sealing gasket 11 for sealing are arranged at the bottom of the vacuum welding mechanism body 4; during vacuum pumping, the welding rod 3, the vacuum welding mechanism main body 4 and the heat insulation pipe 13 form a closed space through the first sealing ring 5, the outer sealing pad 11 and the outer surface of the outer pipe 12 of the heat insulation pipe, so that the sealing problem during vacuum pumping is effectively solved; a fixed end cover 8 is arranged above the inner side of a welding hole 14 of the vacuum welding mechanism body 4, when the lifting mechanism 1 pushes the welding rod 3 downwards, the welding is conducted after the vacuum welding mechanism body 4 and the fixed end cover 8 are guided, and the welding blockage 6 can be effectively prevented from being welded at the designated position of the outer surface of the heat insulation pipe outer pipe 12 during welding; through the below of fixed end cover 8 is equipped with sealing washer 9, and during the welding, welding plug 6 is at the 12 assigned positions of insulating tube outer tube, and welding stick 3 forms sealed space through second sealing washer 9 and vacuum welding mechanism body 4, and vacuum leakage leads to gaseous follow exhaust tube 15 to reach the vacuum unit during the prevention welding, strikes the evacuation unit, influences the life of evacuation unit.
Example 2
Referring to fig. 1 to 3, on the basis of embodiment 1, the present embodiment is optimized, specifically, an inner sealing gasket 10 is disposed between the vacuum welding mechanism body 4 and an outer tube 12 of the heat insulation tube, and the inner sealing gasket 10 and the outer sealing gasket 11 form a double-layer sealing structure, so as to prevent air leakage caused by irregularities or roughness of the outer tube surface of the heat insulation tube and air leakage caused by using only the outer sealing gasket 11 when the heat insulation tube 13 is vacuumized or filled with heat insulation inert gas.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The instantaneous plugging and welding device for the heat insulation pipe comprises a vacuum welding mechanism body (4) and a welding rod (3), and is characterized in that a sliding groove (13) is arranged in an inner cavity of the vacuum welding mechanism body (4), a first sealing ring (5) is arranged in the sliding groove (13), a sealing end cover (2) used for fixing the first sealing ring (5) is arranged above the first sealing ring (5), the welding rod (3) is inserted into the inner cavity of the vacuum welding mechanism body (4) in a sliding mode through the sliding groove (13), a lifting mechanism (1) used for lifting or pushing the welding rod (3) is arranged above the welding rod (3), a welding hole (14) is formed in the bottom of the vacuum welding mechanism body (4), and a welding plug (6) matched with the welding hole (14) is fixed at the bottom of the welding rod (3), an exhaust pipe (15) is arranged on the lower left side of the vacuum welding mechanism body (4), and an outer sealing gasket (11) is arranged between the vacuum welding mechanism body (4) and the heat insulation pipe outer pipe (12).
2. The instantaneous blocking and welding device for the heat insulation pipe according to claim 1 is characterized in that an inner sealing gasket (10) is arranged between the vacuum welding mechanism body (4) and the outer pipe (12) of the heat insulation pipe, and the inner sealing gasket (10) and the outer sealing gasket (11) form a double-layer sealing structure.
3. The device for instantaneously sealing and welding the heat insulation pipe according to the claim 1 is characterized in that a fixed end cover (8) is arranged above the inner side of the welding hole (14).
4. The device for instantaneously sealing and welding the heat insulation pipe according to the claim 3 is characterized in that a second sealing ring (9) is arranged below the fixed end cover (8).
5. The device for instantaneously sealing and welding the heat insulation pipe according to the claim 1 is characterized in that the bottom of the welding rod (3) is connected with the welding plug (6) by using a plug fixing screw (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020245196.1U CN211840698U (en) | 2020-03-03 | 2020-03-03 | Instantaneous shutoff welding set of thermal-insulated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020245196.1U CN211840698U (en) | 2020-03-03 | 2020-03-03 | Instantaneous shutoff welding set of thermal-insulated pipe |
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| Publication Number | Publication Date |
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| CN211840698U true CN211840698U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020245196.1U Active CN211840698U (en) | 2020-03-03 | 2020-03-03 | Instantaneous shutoff welding set of thermal-insulated pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255732A (en) * | 2022-08-03 | 2022-11-01 | 山东美生热能科技有限公司 | Novel vacuum sealing device for heat insulation oil sleeve |
-
2020
- 2020-03-03 CN CN202020245196.1U patent/CN211840698U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255732A (en) * | 2022-08-03 | 2022-11-01 | 山东美生热能科技有限公司 | Novel vacuum sealing device for heat insulation oil sleeve |
| CN115255732B (en) * | 2022-08-03 | 2023-06-02 | 山东美生热能科技有限公司 | Novel vacuum sealing device for heat-insulating oil sleeve |
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