CN221217854U - Nitrogen protection cover with good sealing performance - Google Patents
Nitrogen protection cover with good sealing performance Download PDFInfo
- Publication number
- CN221217854U CN221217854U CN202322934844.0U CN202322934844U CN221217854U CN 221217854 U CN221217854 U CN 221217854U CN 202322934844 U CN202322934844 U CN 202322934844U CN 221217854 U CN221217854 U CN 221217854U
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- stainless steel
- opening
- cover body
- steel cover
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 115
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 27
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 66
- 239000010935 stainless steel Substances 0.000 claims abstract description 66
- 230000004888 barrier function Effects 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 5
- 229910052594 sapphire Inorganic materials 0.000 claims description 5
- 239000010980 sapphire Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000000137 annealing Methods 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model discloses a nitrogen protection cover with good sealing performance, relates to the technical field of nitrogen protection covers, and aims to solve the problems that an existing nitrogen protection cover is sealed by means of a single sealing ring, the sealing ring is easy to shift in position due to stress, and the nitrogen protection cover is single in safety protection structure and easy to leak air. An upper top seat is arranged at the upper end of the stainless steel cover body, a lower base is arranged at the lower end of the stainless steel cover body, and the upper top seat and the lower base are welded with the stainless steel cover body; further comprises: the first opening is arranged on the front surface of the stainless steel cover body, a second opening is arranged on one side of the stainless steel cover body, the first opening, the second opening and the stainless steel cover body are of an integrated structure, and a sealing cover plate is arranged on one side of the first opening and one side of the second opening; the trapezoid sealing ring is arranged outside the sealing cover plate, H-shaped sealing rings are arranged on the inner walls of the first opening and the second opening, and horizontal sealing rings are arranged inside the H-shaped sealing rings.
Description
Technical Field
The utility model relates to the technical field of nitrogen protection covers, in particular to a nitrogen protection cover with good sealing performance.
Background
The mode of eliminating stress in the market mainly uses vacuum annealing and the mode of heat pipe formula annealing stove before also can use the high frequency annealing mode, adopts small-size vertical equipment, and occupation of land space is little, uses the inert gas of protection casing intussuseption to protect, uses the mode of high frequency annealing to carry out on-line elimination tensile product stress problem, makes product plasticity strengthen, reduces tensile production and abandons, uses nitrogen gas cooling at the filling of organism, uses the nitrogen gas protection casing to carry out with the air isolation, promotes the ability of eliminating stress to whole equipment design action uses digital control technique, makes production visual, and the debugging is simple and convenient accurate, and equipment adopts the mutual-response grating device, promotes equipment security performance.
However, the existing nitrogen protection cover is sealed by a single sealing ring, the sealing ring is easy to deviate in position due to stress, and the safety protection structure is single and easy to leak air; therefore, the existing requirements are not met, and a nitrogen protection cover with good sealing performance is provided.
Disclosure of utility model
The utility model aims to provide a nitrogen protection cover with good sealing performance, which solves the problems that the existing nitrogen protection cover provided in the background art is sealed by a single sealing ring, the sealing ring is easy to shift in position due to stress, and the safety protection structure is single and easy to leak air.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a nitrogen shield with good sealability, comprising: the stainless steel cover body, the upper end of the stainless steel cover body is provided with an upper footstock, the lower end of the stainless steel cover body is provided with a lower base, and the upper footstock and the lower base are welded with the stainless steel cover body;
Further comprises:
The first opening is arranged on the front surface of the stainless steel cover body, a second opening is arranged on one side of the stainless steel cover body, the first opening, the second opening and the stainless steel cover body are of an integrated structure, and a sealing cover plate is arranged on one side of the first opening and one side of the second opening;
The trapezoid sealing ring is arranged outside the sealing cover plate, and H-shaped sealing rings are arranged on the inner walls of the first opening and the second opening.
Preferably, the inside of H type sealing washer is provided with the horizontal sealing washer, the one end of horizontal sealing washer is provided with first abduction limit, the other end of horizontal sealing washer is provided with the second abduction limit, and first abduction limit and second abduction limit and horizontal sealing washer are all integrated into one piece structure.
Preferably, the safety barrier is all provided with around the internal portion of stainless steel cover, and safety barrier and stainless steel cover welded connection, be provided with the safe space between the corner of safety barrier and the stainless steel cover, and safe space and safety barrier all are provided with four.
Preferably, the front end all around of sealing cover plate all is provided with single-head fastener, and sealing cover plate passes through single-head fastener and stainless steel cover body threaded connection, sealing cover plate's center department is provided with sapphire glass.
Preferably, the front end of the stainless steel cover body is provided with an air inlet pipe, one end of the air inlet pipe is provided with a sealing seat, and the sealing seat is in threaded connection with the air inlet pipe.
Preferably, the top of intake pipe is provided with the mount, and the mount is provided with two, mount and stainless steel cover body welded connection, one side surface of mount is provided with outer protruding seat.
Preferably, fixing bolts are arranged at the upper ends of the periphery of the upper top seat, a plurality of fixing bolts are arranged, a connecting opening is formed in the upper surface of the upper top seat, and the connecting opening penetrates through the upper top seat.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the two H-shaped sealing rings are respectively clamped on the inner walls of the first opening and the second opening, the edges of the first opening and the second opening are in contact with the horizontal sealing rings of the H-shaped sealing rings, the first abduction edge and the second abduction edge are respectively in contact with the inner wall and the outer wall of the stainless steel cover body, then the sealing cover plate is installed, the sealing cover plate is inserted into the first opening and the second opening and then is in contact with the horizontal sealing rings, so that the sealing effect is achieved, the trapezoid sealing rings are sleeved outside one end of the sealing cover plate, which is positioned in the stainless steel cover body, the sealing cover plate is in threaded connection with the stainless steel cover body through the single-head fastening piece, the sealing cover plate is prevented from moving, and triple sealing is carried out on the H-shaped sealing rings, so that the sealing performance of the nitrogen gas protection cover is improved.
2. Through set up the safety barrier in the stainless steel cover body inside, utilize the safety barrier to separate out the safe space, the safe space is located the corner of the stainless steel cover body, after the damaged in stainless steel cover body corner, can act as the corner with the safety barrier, still play sealed effect, be difficult for leaking gas.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the nitrogen shield of the present utility model in front view;
FIG. 3 is a schematic top view of the nitrogen shield of the present utility model;
FIG. 4 is a schematic view of an H-shaped seal ring according to the present utility model;
FIG. 5 is an enlarged view of a portion of the utility model at A;
In the figure: 1. a stainless steel cover; 2. an upper top base; 3. a lower base; 4. a fixing bolt; 5. a connection opening; 6. a safe space; 7. a safety partition; 8. a first opening; 9. a second opening; 10. sealing the cover plate; 11. a single-headed fastener; 12. sapphire glass; 13. a trapezoid sealing ring; 14. an air inlet pipe; 15. a sealing seat; 16. a fixing frame; 17. a first flared edge; 18. a horizontal seal ring; 19. a second flared edge; 20. an H-shaped sealing ring; 21. an outward protruding seat.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, an embodiment of the present utility model is provided: a nitrogen shield with good sealability, comprising: the stainless steel cover body 1, the upper end of the stainless steel cover body 1 is provided with an upper top seat 2, the lower end of the stainless steel cover body 1 is provided with a lower base 3, and the upper top seat 2 and the lower base 3 are welded with the stainless steel cover body 1;
Further comprises:
The first opening 8 is formed in the front surface of the stainless steel cover body 1, the second opening 9 is formed in one side of the stainless steel cover body 1, the first opening 8, the second opening 9 and the stainless steel cover body 1 are of an integrated structure, and the sealing cover plate 10 is arranged on one side of the first opening 8 and one side of the second opening 9;
The trapezoid sealing ring 13 is arranged outside the sealing cover plate 10, and H-shaped sealing rings 20 are arranged on the inner walls of the first opening 8 and the second opening 9.
After the sealing cover plate 10 is inserted into the first opening 8 and the second opening 9, the sealing cover plate is contacted with the horizontal sealing ring 18 to play a sealing effect, and the trapezoid sealing ring 13 is sleeved outside one end of the sealing cover plate 10 positioned inside the stainless steel cover body 1, so that the sealing performance is further improved, and the double sealing effect is realized.
Referring to fig. 1 and 4, a horizontal sealing ring 18 is disposed inside the H-shaped sealing ring 20, a first flared edge 17 is disposed at one end of the horizontal sealing ring 18, a second flared edge 19 is disposed at the other end of the horizontal sealing ring 18, the first flared edge 17, the second flared edge 19 and the horizontal sealing ring 18 are all in an integrated structure, the two H-shaped sealing rings 20 are respectively clamped on inner walls of the first opening 8 and the second opening 9, edges of the first opening 8 and the second opening 9 are contacted with the horizontal sealing ring 18 of the H-shaped sealing ring 20, and the first flared edge 17 and the second flared edge 19 are respectively contacted with inner and outer walls of the stainless steel cover 1, so that tightness of inner walls of the first opening 8 and the second opening 9 is improved.
Referring to fig. 1 and 3, safety partition plates 7 are arranged around the inside of a stainless steel cover body 1, the safety partition plates 7 are welded with the stainless steel cover body 1, safety spaces 6 are arranged between the safety partition plates 7 and corners of the stainless steel cover body 1, the safety spaces 6 and the safety partition plates 7 are four, the safety spaces 6 are separated by the safety partition plates 7, the safety spaces 6 are located at the corners of the stainless steel cover body 1, and after the corners of the stainless steel cover body 1 are damaged, the safety partition plates 7 can serve as the corners to still achieve a sealing effect, so that air leakage is not easy to occur.
Referring to fig. 1, single-head fasteners 11 are respectively arranged at the front ends around the sealing cover plate 10, the sealing cover plate 10 is in threaded connection with the stainless steel cover body 1 through the single-head fasteners 11, sapphire glass 12 is arranged at the center of the sealing cover plate 10, the sealing cover plate 10 is prevented from moving, and the H-shaped sealing ring 20 is subjected to triple sealing, so that the tightness of the nitrogen protection cover is improved, and the internal condition of the stainless steel cover body 1 is convenient to observe through the sapphire glass 12.
Referring to fig. 1 and 5, an air inlet pipe 14 is arranged at the front end of the stainless steel cover body 1, a sealing seat 15 is arranged at one end of the air inlet pipe 14, the sealing seat 15 is in threaded connection with the air inlet pipe 14, nitrogen is conveniently input into the stainless steel cover body 1 through the air inlet pipe 14, and nitrogen is conveniently discharged.
Referring to fig. 5, a fixing frame 16 is disposed above the air inlet pipe 14, two fixing frames 16 are disposed above the air inlet pipe 14, the fixing frames 16 are welded with the stainless steel cover 1, an outer protruding seat 21 is disposed on a side surface of the fixing frame 16, fixing bolts 4 are disposed at four sides of the upper top seat 2, a plurality of fixing bolts 4 are disposed on the upper end of the upper top seat 2, a connecting opening 5 is disposed on the upper surface of the upper top seat 2, the connecting opening 5 penetrates the upper top seat 2, the air inlet pipe 14 is clamped between the two fixing frames 16, the outer protruding seats 21 are utilized to limit the air inlet pipe, and the air inlet pipe 14 is prevented from falling off.
Working principle: when the sealing cover is used, the two H-shaped sealing rings 20 are respectively clamped on the inner walls of the first opening 8 and the second opening 9, the edges of the first opening 8 and the second opening 9 are in contact with the horizontal sealing ring 18 of the H-shaped sealing ring 20, the first abduction edge 17 and the second abduction edge 19 are respectively in contact with the inner wall and the outer wall of the stainless steel cover body 1, then the sealing cover plate 10 is installed, the sealing cover plate 10 is inserted into the first opening 8 and the second opening 9 and then is in contact with the horizontal sealing ring 18, the sealing effect is achieved, the trapezoid sealing ring 13 is sleeved outside one end of the sealing cover plate 10, which is positioned in the stainless steel cover body 1, so that the sealing performance is further improved, the sealing cover plate 10 is in threaded connection with the stainless steel cover body 1 through the single-head fastener 11, the sealing cover plate 10 is prevented from moving, triple sealing is carried out on the H-shaped sealing ring 20, the sealing performance of the nitrogen protection cover is improved, the safety space 6 is separated by the safety partition 7, the safety space 6 is positioned at the corner of the stainless steel cover body 1, the corner is easy to act as the safety partition 7 after the corner of the stainless steel cover body 1 is broken, the sealing effect is achieved, and the sealing effect is still achieved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The nitrogen protection cover with the good sealing performance comprises a stainless steel cover body (1), wherein an upper top seat (2) is arranged at the upper end of the stainless steel cover body (1), a lower base (3) is arranged at the lower end of the stainless steel cover body (1), and the upper top seat (2) and the lower base (3) are welded with the stainless steel cover body (1);
The method is characterized in that: further comprises:
The stainless steel cover comprises a stainless steel cover body (1), a first opening (8) and a second opening (9), wherein the first opening (8) is arranged on the front surface of the stainless steel cover body (1), one side of the stainless steel cover body (1) is provided with the second opening (9), the first opening (8) and the second opening (9) are of an integral structure with the stainless steel cover body (1), and one sides of the first opening (8) and the second opening (9) are provided with a sealing cover plate (10);
The trapezoid sealing ring (13) is arranged outside the sealing cover plate (10), and H-shaped sealing rings (20) are arranged on the inner walls of the first opening (8) and the second opening (9).
2. The nitrogen protection cover with good sealing performance according to claim 1, wherein: the inside of H type sealing washer (20) is provided with horizontal sealing washer (18), the one end of horizontal sealing washer (18) is provided with first abduction limit (17), the other end of horizontal sealing washer (18) is provided with second abduction limit (19), and first abduction limit (17) and second abduction limit (19) and horizontal sealing washer (18) are integrated into one piece structure.
3. The nitrogen protection cover with good sealing performance according to claim 1, wherein: the safety barrier (7) is arranged around the inside of the stainless steel cover body (1), the safety barrier (7) is connected with the stainless steel cover body (1) in a welded mode, a safety space (6) is arranged between the safety barrier (7) and the corner of the stainless steel cover body (1), and the safety space (6) and the safety barrier (7) are all provided with four.
4. The nitrogen protection cover with good sealing performance according to claim 1, wherein: the front end all around of sealed apron (10) all is provided with single-head fastener (11), and sealed apron (10) are through single-head fastener (11) and stainless steel cover body (1) threaded connection, the center department of sealed apron (10) is provided with sapphire glass (12).
5. The nitrogen protection cover with good sealing performance according to claim 1, wherein: the stainless steel cover body (1) is provided with intake pipe (14) in the front end, one end of intake pipe (14) is provided with sealing seat (15), and sealing seat (15) and intake pipe (14) threaded connection.
6. The nitrogen protection cover with good sealing performance according to claim 5, wherein: the novel stainless steel air inlet pipe is characterized in that a fixing frame (16) is arranged above the air inlet pipe (14), two fixing frames (16) are arranged, the fixing frames (16) are connected with the stainless steel cover body (1) in a welding mode, and an outward protruding seat (21) is arranged on one side surface of each fixing frame (16).
7. The nitrogen protection cover with good sealing performance according to claim 1, wherein: the upper end all around of going up footstock (2) all is provided with fixing bolt (4), and fixing bolt (4) are provided with a plurality of, the upper surface of going up footstock (2) is provided with connecting opening (5), and connecting opening (5) run through last footstock (2).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221217854U true CN221217854U (en) | 2024-06-25 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |