CN212480108U - Vacuum sealing and compressing device of heater - Google Patents
Vacuum sealing and compressing device of heater Download PDFInfo
- Publication number
- CN212480108U CN212480108U CN202020649923.0U CN202020649923U CN212480108U CN 212480108 U CN212480108 U CN 212480108U CN 202020649923 U CN202020649923 U CN 202020649923U CN 212480108 U CN212480108 U CN 212480108U
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- heater
- sealing
- cooling
- seat body
- mounting hole
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Abstract
The utility model discloses a heater vacuum seal closing device, include: the device comprises a fixing screw, a pressing cap, two sealing elements, a spacer ring, a seat body, a sealing surface, a connecting port, a cooling groove, a water inlet joint port, a water outlet joint and a mounting hole; the heater penetrates through the base body through the mounting hole, then the sealing element and the spacer ring are sequentially sleeved into the heater to enable the sealing element to be in contact with the sealing surface, finally the pressing cap is sleeved into the heater and is fastened on the base body through the fixing screw to achieve sealing of the heater in a vacuum environment, and a cooling medium can be circulated in the cooling tank through the water inlet joint and the water outlet joint to achieve a cooling effect. The utility model provides a heater vacuum seal closing device, structural design is reasonable, in the use, and the practicality is strong, compact structure, easy dismounting.
Description
Technical Field
The utility model relates to a closing device, concretely relates to heater vacuum seal closing device that practicality is strong.
Background
The heater belongs to the vacuum components and parts of using in a large number in the vacuum field, current heater is of a great variety, need accomplish the connection sealing of heater under vacuum state, the mode of common use during the connection is for with heater welded flange, flange joint is on vacuum vessel, in the in-service use, the heat conduction temperature of welded flange department can rise along with the temperature rising, easy overtemperature and lead to the gas leakage or the heater damage of junction, work load is loaded down with trivial details during the change, and welded flange also can't guarantee on the heater whether vacuum seal nature and heater after the welding is accomplished are intact.
Therefore, it is necessary to design and develop a sealing and compressing device which has reasonable structural design and convenient use, is especially suitable for a vacuum heating device, can ensure long-time reliable operation in a high-temperature state and can be used for conveniently mounting and dismounting a heater on the basis of the prior art.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a structural design is reasonable, convenient to use's heater vacuum seal closing device, the convenient quick installation that is particularly useful for the heater with dismantle in order to satisfy the device of using safely at the vacuum state.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a heater vacuum seal hold-down device comprising: the device comprises a fixing screw 1, a pressing cap 2, two sealing pieces 3, a spacer ring 4, a seat body 5, a sealing surface 5-1, a connecting port 5-2, a cooling groove 5-3, a water inlet joint 6, a water outlet joint 7 and a mounting hole 8;
the middle part of the seat body 5 is of a hollow structure, the middle upper part of the seat body 5 is provided with a through hole, the lower part of the through hole is of a funnel type structure, the inner wall of the funnel type structure forms a sealing surface 5-1, the middle lower part of the seat body 5 is provided with a mounting hole 8, the through hole is connected with the mounting hole 8 through the funnel type structure at the lower part, the lower part of the seat body 5 is a connecting port 5-2, the side wall of the seat body 5 is provided with two opposite cooling tanks 5-3, one cooling tank 5-3 is connected with a water inlet joint 6 in a welding manner, the other cooling tank 5-3 is connected with a water outlet joint 7 in a welding manner, the water inlet joint 6, the cooling tanks 5-3 and the water outlet joint 7 are used for cooling, and cooling media circulate in the;
the heater passes through the base body 5 through the mounting hole 8, the sealing element 3, the spacer ring 4 and the sealing element 3 are sequentially sleeved at the top end of the heater, the sealing element 3 positioned below the spacer ring 4 is contacted with the sealing surface 5-1, the compression cap 2 is sleeved at the top end of the heater, and two ends of the compression cap 2 are mounted on the base body 5 through the fixing screws 1, so that the sealing of the heater in a vacuum environment is realized.
On the basis of the scheme, the seat body 5, the sealing surface 5-1, the connecting port 5-2 and the cooling groove 5-3 are integrally formed.
In addition to the above-mentioned solution, the connection port 5-2 is fixed to the vacuum container by welding.
The utility model provides a during the heater vacuum seal closing device in-service use, pass the mounting hole in the middle of the pedestal with the heater earlier, through compressing tightly the cap, compress tightly the sealing member on the sealed face of pedestal and heater, accomplished vacuum and external atmospheric isolation sealed, pass through water supply connector, cooling bath and water connectors cooling cycle with coolant at last, just can realize that the safe operation of heater under vacuum state is sealed.
The utility model provides a heater vacuum seal closing device compares with prior art and has following advantage:
the utility model provides a heater vacuum seal closing device, structural design is reasonable, in the use, the practicality is strong, compact structure, easy dismounting, especially can make the heater not shut down work under overlength time, high temperature state, has improved the life of heater greatly, very big improvement work efficiency, and the range of application is extensive, can overcome current heater easy overtemperature and lead to the gas leakage of junction or the heater damage, the loaded down with trivial details problem of work load when changing.
Drawings
The utility model discloses there is following figure:
fig. 1 is a schematic structural diagram of the present invention.
Reference numerals:
mounting hole for mounting 1 fixing screw 2 pressing cap 3 sealing element 4 spacer ring 5 seat body 5-1 sealing surface 5-2 connecting port 5-3 cooling tank 6 water inlet joint 7 water outlet joint 8
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the heater vacuum sealing and compressing apparatus includes: the device comprises a fixing screw 1, a pressing cap 2, two sealing pieces 3, a spacer ring 4, a seat body 5, a sealing surface 5-1, a connecting port 5-2, a cooling groove 5-3, a water inlet joint 6, a water outlet joint 7 and a mounting hole 8;
the middle part of the seat body 5 is of a hollow structure, the middle upper part of the seat body 5 is provided with a through hole, the lower part of the through hole is of a funnel type structure, the inner wall of the funnel type structure forms a sealing surface 5-1, the middle lower part of the seat body 5 is provided with a mounting hole 8, the through hole is connected with the mounting hole 8 through the funnel type structure at the lower part, the lower part of the seat body 5 is a connecting port 5-2, the side wall of the seat body 5 is provided with two opposite cooling tanks 5-3, one cooling tank 5-3 is connected with a water inlet joint 6 in a welding manner, the other cooling tank 5-3 is connected with a water outlet joint 7 in a welding manner, the water inlet joint 6, the cooling tanks 5-3 and the water outlet joint 7 are used for cooling, and cooling media circulate in the;
the heater passes through the base body 5 through the mounting hole 8, the sealing element 3, the spacer ring 4 and the sealing element 3 are sequentially sleeved at the top end of the heater, the sealing element 3 positioned below the spacer ring 4 is contacted with the sealing surface 5-1, the compression cap 2 is sleeved at the top end of the heater, and two ends of the compression cap 2 are mounted on the base body 5 through the fixing screws 1, so that the sealing of the heater in a vacuum environment is realized.
On the basis of the scheme, the seat body 5, the sealing surface 5-1, the connecting port 5-2 and the cooling groove 5-3 are integrally formed.
In addition to the above-mentioned solution, the connection port 5-2 is fixed to the vacuum container by welding.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Those not described in detail in this specification are within the skill of the art.
Claims (3)
1. A heater vacuum seal hold-down apparatus comprising: the device comprises a fixing screw (1), a pressing cap (2), two sealing elements (3), a spacer ring (4), a seat body (5), a sealing surface (5-1), a connecting port (5-2), a cooling groove (5-3), a water inlet joint (6), a water outlet joint (7) and a mounting hole (8);
the middle part of the seat body (5) is of a hollow structure, the middle upper part of the seat body (5) is provided with a through hole, the lower part of the through hole is of a funnel type structure, the inner wall of the funnel type structure forms a sealing surface (5-1), the middle lower part of the seat body (5) is provided with a mounting hole (8), the through hole is connected with the mounting hole (8) through a funnel-shaped structure at the lower part, the lower part of the seat body (5) is provided with a connecting port (5-2), the side wall of the seat body (5) is provided with two opposite cooling grooves (5-3), one cooling tank (5-3) is connected with the water inlet joint (6) through welding, the other cooling tank (5-3) is connected with the water outlet joint (7) through welding, the water inlet joint (6), the cooling tank (5-3) and the water outlet joint (7) are used for cooling, and cooling media circulate in the cooling tank (5-3);
the heater passes through the base body (5) through the mounting hole (8), the sealing element (3), the spacer ring (4) and the sealing element (3) are sequentially sleeved at the top end of the heater, the sealing element (3) positioned below the spacer ring (4) is in contact with the sealing surface (5-1), the pressing cap (2) is sleeved at the top end of the heater, and two ends of the pressing cap (2) are mounted on the base body (5) through the fixing screws (1) to realize the sealing of the heater in a vacuum environment.
2. The vacuum sealing and pressing apparatus for a heater according to claim 1, wherein the seat body (5), the sealing surface (5-1), the connection port (5-2) and the cooling groove (5-3) are integrally formed.
3. The heater vacuum sealing and pressing device as claimed in claim 1, wherein the connection port (5-2) is fixed to the evacuated container by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020649923.0U CN212480108U (en) | 2020-04-26 | 2020-04-26 | Vacuum sealing and compressing device of heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020649923.0U CN212480108U (en) | 2020-04-26 | 2020-04-26 | Vacuum sealing and compressing device of heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212480108U true CN212480108U (en) | 2021-02-05 |
Family
ID=74453513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020649923.0U Active CN212480108U (en) | 2020-04-26 | 2020-04-26 | Vacuum sealing and compressing device of heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212480108U (en) |
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2020
- 2020-04-26 CN CN202020649923.0U patent/CN212480108U/en active Active
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