CN208935631U - A kind of glass tube instant sealing device - Google Patents
A kind of glass tube instant sealing device Download PDFInfo
- Publication number
- CN208935631U CN208935631U CN201821453646.5U CN201821453646U CN208935631U CN 208935631 U CN208935631 U CN 208935631U CN 201821453646 U CN201821453646 U CN 201821453646U CN 208935631 U CN208935631 U CN 208935631U
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- China
- Prior art keywords
- glass tube
- closure body
- screw thread
- inner cover
- brazed joint
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Abstract
The utility model relates to a kind of glass tube instant sealing devices, including glass tube, inner cover is cased in the glass pipe outer wall, inner cover outer surface is provided with step, and the first external screw thread is equipped on step surface, further includes closure body, the left end of the closure body is provided with the internal screw thread being cooperatively connected with the first external screw thread of inner cover, right end is provided with the second external screw thread, and the closure body left end is threadedly coupled by the first O-ring with inner cover, and right end is threadedly coupled by the second O-ring with outer seal；It is provided with through-hole in the closure body one side wall, brazed joint is installed in the through-hole, the brazed joint top is nested with brass hexagonal (hexagon)nut, and the air inlet being connected with brazed joint is provided in the middle part of brass hexagonal (hexagon)nut, is equipped with red copper air inlet pipe in the air inlet；The leakproofness of glass tube and the stability that glass tube is axial, radial, and easy for assemble or unload, save the cost are improved, production efficiency is improved.
Description
Technical field
The utility model relates to glass tube technical field of sealing technology, especially a kind of glass tube instant sealing device.
Background technique
In the heating process of metal heat treatmet, for the oxidation and decarburization for avoiding metal in heating process, using hydrogen, one
The gases such as carbonoxide protect metal, generally use in transmission process to gases such as high-temperature hydrogens using seal pipe
Stopper is sealed seal pipe, and in the sealant tape that is externally wrapped with of stopper, sealing performance is unreliable, and due to gas in pipe
Temperature is up to 1000 DEG C or more, and sealant tape expands with heat and contract with cold, and the danger easily exploded after air is leak into pipe, in addition, adhesive tape
Disposable sealing, not reproducible utilization, and replace inconvenient, time-consuming and laborious, low efficiency.
Utility model content
The applicant provides a kind of structurally reasonable glass tube fast sealing for the disadvantage in above-mentioned existing production technology
Device improves the stability of glass tube axially and radially, improves the leakproofness of glass tube, and easy for assemble or unload, save the cost,
Improve production efficiency.
Technical solution used by the utility model is as follows:
A kind of glass tube instant sealing device, including glass tube, are cased with inner cover in the glass pipe outer wall, outside inner cover
Surface is provided with step, and the first external screw thread is equipped on step surface, further includes closure body, the left end setting of the closure body
There is the internal screw thread being cooperatively connected with the first external screw thread of inner cover, right end is provided with the second external screw thread, and the closure body left end is logical
It crosses the first O-ring to be threadedly coupled with inner cover, right end is threadedly coupled by the second O-ring with outer seal；The closure body one
It is provided with through-hole on side wall, brazed joint is installed in the through-hole, the brazed joint top is nested with brass hexagonal (hexagon)nut, brass
It is provided with the air inlet being connected with brazed joint in the middle part of hexagonal (hexagon)nut, is equipped with red copper air inlet pipe in the air inlet.
Its further technical solution is:
One end face of glass tube and closure body are provided with the inner face at internal screw thread and abut, and the inner face and capping are originally
The internal screw thread end face of body is perpendicular.
The closure body is fixed on mounting rack, and the mounting rack is in contact with brazed joint.
It is provided with groove on the closure body right side, the second O-ring is installed in groove.
The inner cover, closure body and outer seal are all made of stainless steel material.
The beneficial effects of the utility model are as follows:
The utility model is compact-sized, reasonable, easy to operate, by the way that inner cover, closure body are arranged outside glass tube
And outer seal is improved the stability of glass tube axially and radially, is mentioned by way of the sealing function of O-ring and threaded connection
The leakproofness of high glass tube, and easy for assemble or unload, save the cost improve production efficiency.
Meanwhile the utility model has the further advantage that
1, the step surface of the inner cover of the utility model is equipped with external screw thread, can easily and closure body by external screw thread
Be attached and dismantle, compared to the prior art in the mode that is connect with stopper of glass tube setting internal screw thread, can keep away
Exempt from gas dust adhesion in leading to difficult cleaning of situation on internal screw thread；
2, the glass tube of the utility model and closure body abut, between the formation of closure body, inner cover and glass tube
It is provided with the first O-ring at gap, glass tube is fixed in closure body, with the raising of gas temperature in pipe, glass caliber
To expansion, due to the effect that O-ring is sealed and is threadedly coupled, be conducive to the leakproofness for improving glass tube；
3, between the glass tube and inner cover of the utility model, between inner cover and closure body, closure body and covering
Installation and removal process between lid and between brass hexagonal (hexagon)nut and brazed joint is convenient, and glass tube is readily cleaned, time saving
It is laborsaving, it is able to achieve the fast sealing of glass tube, improves the safety of production efficiency and production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein: 1, glass tube；2, inner cover；3, closure body；4, the first O-ring；5, brazed joint；6, brass hexagonal spiral shell
Cap；7, red copper air inlet pipe；8, the second O-ring；9, outer seal.
Specific embodiment
With reference to the accompanying drawing, illustrate specific embodiment of the present utility model.
As shown in Figure 1, the glass tube instant sealing device of the present embodiment, including glass tube 1, it is cased on 1 outer wall of glass tube
Inner cover 2,2 outer surface of inner cover are provided with step, and the first external screw thread is equipped on step surface, further includes closure body 3, capping
The left end of ontology 3 is provided with the internal screw thread being cooperatively connected with 2 first external screw thread of inner cover, and right end is provided with the second external screw thread, seals
3 left end of lid ontology is threadedly coupled by the first O-ring 4 with inner cover 2, and right end is connected by the second O-ring 8 with 9 screw thread of outer seal
It connects；It is provided with through-hole in 3 one side wall of closure body, brazed joint 5 is installed in through-hole, 5 top of brazed joint is nested with brass hexagonal
Nut 6 is provided with the air inlet being connected with brazed joint 5 in the middle part of brass hexagonal (hexagon)nut 6, is equipped with red copper air inlet pipe 7 in air inlet.
1 one end face of glass tube and closure body 3 are provided with the inner face at internal screw thread and abut, inner face and closure body 3
Internal screw thread end face is perpendicular.
Closure body 3 is fixed on mounting rack, and mounting rack is in contact with brazed joint 5.
It is provided with groove on 3 right side of closure body, the second O-ring 8 is installed in groove.
Inner cover 2, closure body 3 and outer seal 9 are all made of stainless steel material.
The internal diameter of first O-ring 4 and line footpath having a size ofThe internal diameter of second O-ring 8 and line footpath having a size of
The installation process of the glass tube instant sealing device of the present embodiment are as follows: closure body 3 is fixed on mounting rack, to
It is inserted into glass tube 1 in 3 ontology of closure body, the first O-ring 4 is filled in the gap of closure body 3 and glass tube walls, in glass
Inner cover 2 is socketed on pipe 1, inner cover 2 is screwed with closure body 3 by external screw thread, while the first O-ring 4 by inner cover 2, seal
Gap between lid ontology 3 and glass tube 1 is sealed, and the second O-ring 8 is filled in the groove of 3 one side end face of closure body,
Closure body 3 is threadedly coupled with outer seal 9, brazed joint 5 is connected on the through-hole of closure body 3, brazed joint 5 is logical
It crosses screw thread and is connected with brass hexagonal (hexagon)nut 6, red copper air inlet pipe 7 is installed in the air inlet at 6 middle part of brass hexagonal (hexagon)nut, is so far completed
Installation process is passed through gas into red copper air inlet pipe 7 after being installed, and gas flow is as shown by the arrows in Figure 1, the present embodiment
The demounting procedure of glass tube instant sealing device is opposite with installation steps.
Above description is the explanation to the utility model, is not the restriction to utility model, defined by the utility model
Range is within the protection scope of the utility model referring to claim, can make any type of modification.
Claims (5)
1. a kind of glass tube instant sealing device, including glass tube (1), it is characterised in that: be cased on glass tube (1) outer wall
Inner cover (2), inner cover (2) outer surface are provided with step, and the first external screw thread is equipped on step surface, further includes closure body
(3), the left end of the closure body (3) is provided with the internal screw thread being cooperatively connected with (2) first external screw thread of inner cover, right end setting
There is the second external screw thread, closure body (3) left end is threadedly coupled by the first O-ring (4) with inner cover (2), and right end passes through
Second O-ring (8) is threadedly coupled with outer seal (9)；Through-hole, peace in the through-hole are provided in closure body (3) one side wall
Equipped with brazed joint (5), brazed joint (5) top is nested with brass hexagonal (hexagon)nut (6), is opened in the middle part of brass hexagonal (hexagon)nut (6)
There is the air inlet being connected with brazed joint (5), is equipped with red copper air inlet pipe (7) in the air inlet.
2. a kind of glass tube instant sealing device as described in claim 1, it is characterised in that: (1) one end face of glass tube
It is provided with the inner face at internal screw thread with closure body (3) to abut, the internal screw thread end face of the inner face and closure body (3) is mutually hung down
Directly.
3. a kind of glass tube instant sealing device as described in claim 1, it is characterised in that: the closure body (3) is fixed
On mounting rack, the mounting rack is in contact with brazed joint (5).
4. a kind of glass tube instant sealing device as described in claim 1, it is characterised in that: closure body (3) right end
It is provided with groove on face, the second O-ring (8) are installed in groove.
5. a kind of glass tube instant sealing device as described in claim 1, it is characterised in that: the inner cover (2), capping are originally
Body (3) and outer seal (9) are all made of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453646.5U CN208935631U (en) | 2018-09-05 | 2018-09-05 | A kind of glass tube instant sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821453646.5U CN208935631U (en) | 2018-09-05 | 2018-09-05 | A kind of glass tube instant sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208935631U true CN208935631U (en) | 2019-06-04 |
Family
ID=66720033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821453646.5U Active CN208935631U (en) | 2018-09-05 | 2018-09-05 | A kind of glass tube instant sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208935631U (en) |
-
2018
- 2018-09-05 CN CN201821453646.5U patent/CN208935631U/en active Active
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