CN212202108U - Novel flame-proof type shell structure - Google Patents
Novel flame-proof type shell structure Download PDFInfo
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- CN212202108U CN212202108U CN202020948601.6U CN202020948601U CN212202108U CN 212202108 U CN212202108 U CN 212202108U CN 202020948601 U CN202020948601 U CN 202020948601U CN 212202108 U CN212202108 U CN 212202108U
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Abstract
A novel flame-proof type shell structure comprises a shell, an upper cover and a base, wherein the upper surface of the shell is provided with a threaded fixing hole, the surface of the upper cover is provided with a nut counter bore, and a fixing screw is movably connected to the nut counter bore; the lower surface of the shell is provided with a vertical screw hole, the side surface of the shell is provided with a horizontal counter bore, a horizontal screw is movably connected in the horizontal counter bore, the base is clamped on the side surface of the inner cavity of the shell through a fixing block, and the fixing block is uniformly provided with horizontal screw holes; the surface of the base is provided with a vertical counter bore, and a vertical screw is movably connected in the vertical counter bore. The utility model overcomes prior art's is not enough, and each spare part direct connection crosses low pressure casting mould and can die-cast out, and mould simple structure needn't be the sand mould, has reduced casting cost greatly to compare in sand casting, the utility model discloses a size precision of each spare part after the casting is higher, and the casing defect still less.
Description
Technical Field
The utility model relates to a flame-proof type shell technical field, concretely relates to novel flame-proof type shell structure.
Background
The explosion-proof shell is composed of a hollow closed shell welded by steel plates and provided with an explosion-proof joint face and a certain strength.
The existing hollow closed shell is usually an inner flange shell, and the casting process is sand casting, namely, each time a shell is cast, a sand mold must be manufactured, and the sand mold is scrapped after casting of one shell is finished.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel flame-proof type shell structure, it is not enough to have overcome prior art, reasonable in design, each spare part direct connection low pressure casting mould can die-cast out, and mould simple structure needn't be the sand mould, has reduced casting cost greatly to compare in sand casting, the utility model discloses a size precision of each spare part after the casting is higher, and shell defect still less.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a novel flame-proof type shell structure comprises a shell, an upper cover and a base, wherein threaded fixing holes are uniformly formed in the upper surface of the shell along the edge position, nut counter bores are uniformly formed in the surface of the upper cover along the edge position, the nut counter bores are matched with the threaded fixing holes, fixing screws are movably connected to the nut counter bores, and threaded ends of the fixing screws penetrate through the nut counter bores and are connected in the threaded fixing holes in a threaded mode; vertical screw holes are uniformly formed in the edge position of the lower surface of the shell, horizontal counter bores are uniformly formed below the side surface of the shell, horizontal screws are movably connected in the horizontal counter bores, a fixed block is fixedly arranged on the upper surface of the base and is clamped on the side surface of the inner cavity of the shell, horizontal screw holes are uniformly formed in the fixed block and correspond to the horizontal counter bores, and the threaded ends of the horizontal screws penetrate through the horizontal counter bores and are connected in the horizontal screw holes in a threaded mode; vertical counter bores are uniformly formed in the surface of the base along the edge, vertical screws are movably connected in the vertical counter bores, the vertical counter bores correspond to the vertical screws, and threaded ends of the vertical screws penetrate through the vertical counter bores to be connected in the vertical screws in a threaded mode.
Preferably, an inclined chamfer is formed in the position, contacting with the inner surface of the shell, above the side surface of the fixed block, and the inclined chamfer is filled with sealant.
Preferably, the vertical screw holes and the horizontal counter bores on the shell are uniformly distributed in a staggered manner.
The utility model provides a novel flame-proof type shell structure. The method has the following beneficial effects: at night, the horizontal screw and the vertical screw are screwed in the corresponding horizontal screw hole and the vertical screw hole respectively, so that the shell and the base are locked and fixed in the vertical direction and the horizontal direction, and the strength and the firmness of the whole explosion-proof shell are further ensured; and the utility model discloses in, casing and base are direct can die-cast out through the low pressure casting mould, and mould simple structure needn't be the sand mould, has reduced casting cost greatly to compare in sand casting, the utility model discloses a size precision of each spare part after the casting is higher, and the casing defect still less.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic sectional view of the present invention during splicing;
the reference numbers in the figures illustrate:
1. a housing; 2. an upper cover; 3. a base; 4. a threaded fixing hole; 5. a nut counter bore; 6. a set screw; 7. a vertical screw hole; 8. a horizontal counter bore; 9. a horizontal screw; 10. a fixed block; 11. a horizontal screw hole; 12. a vertical counter bore; 13. a vertical screw; 14. inclining and chamfering; 15. and (7) sealing the glue.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention.
As shown in fig. 1-3, a novel flame-proof type shell structure comprises a shell 1, an upper cover 2 and a base 3, wherein threaded fixing holes 4 are uniformly formed in the upper surface of the shell 1 along the edge position, nut counter bores 5 are uniformly formed in the surface of the upper cover 2 along the edge position, the nut counter bores 5 are matched with the threaded fixing holes 4, fixing screws 6 are movably connected to the nut counter bores 5, and threaded ends of the fixing screws 6 penetrate through the nut counter bores 5 and are connected in the threaded fixing holes 4 in a threaded manner; the edge position of the lower surface of the shell 1 is uniformly provided with vertical screw holes 7, the lower part of the side surface of the shell 1 is uniformly provided with horizontal counter bores 8, horizontal screws 9 are movably connected in the horizontal counter bores 8, the upper surface of the base 3 is fixedly provided with a fixed block 10, the fixed block 10 is clamped on the side surface of the inner cavity of the shell 1, the fixed block 10 is uniformly provided with horizontal screw holes 11, the horizontal screw holes 11 correspond to the horizontal counter bores 8, and the threaded ends of the horizontal screws 9 penetrate through the horizontal counter bores 8 and are in threaded connection with the horizontal screw; vertical counter bores 12 are uniformly formed in the surface of the base 3 along the edge, vertical screws 13 are movably connected in the vertical counter bores 12, the vertical counter bores 12 correspond to the vertical screw holes 7, and threaded ends of the vertical screws 13 penetrate through the vertical counter bores 12 and are connected in the vertical screw holes 7 in a threaded mode.
During assembly, the base 3 is clamped below the shell 1 through the fixing block 10 for limiting and fixing, the position of the horizontal screw hole 11 corresponds to the position of the horizontal counter bore 8, the position of the vertical counter bore 12 corresponds to the position of the vertical screw hole 7, each horizontal screw 9 is screwed in the horizontal screw hole 11 through the corresponding horizontal counter bore 8, each vertical screw 13 is screwed in the vertical screw hole 7 through the corresponding vertical counter bore 12, the shell 1 and the base 3 are locked and fixed in the vertical direction and the horizontal direction, and the strength and the firmness of the whole flameproof shell are guaranteed; and the utility model discloses in, casing 1 and base 3 are direct can die-cast out through the low pressure casting mould, and mould simple structure needn't be the sand mould, have reduced casting cost greatly to compare in sand casting, the utility model discloses a size precision of each spare part after the casting is higher, and shell defect still less.
In the embodiment of the present invention, an inclined chamfer 14 is provided at a position above the side surface of the fixed block 10 contacting with the inner surface of the housing 1, and the inclined chamfer 14 is filled with a sealant 15. Therefore, after the horizontal screw 9 and the vertical screw 13 are locked and fixed, the special explosion-proof sealant 15 is filled at a circle of inclined chamfer 14 between the shell 1 and the fixed block 10 to meet the requirement of explosion-proof standard.
In the embodiment of the present invention, the vertical screw holes 7 and the horizontal counter bores 8 on the housing 1 are distributed in a uniform staggered manner. Thereby guarantee between casing 1 and the base 3 more even in vertical direction and horizontal direction's locking atress, guarantee the intensity and the fastness of whole flame-proof type casing then.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (3)
1. A novel flame-proof type shell structure is characterized in that: the novel nut fixing device comprises a shell (1), an upper cover (2) and a base (3), wherein threaded fixing holes (4) are uniformly formed in the upper surface of the shell (1) along the edge position, nut counter bores (5) are uniformly formed in the surface of the upper cover (2) along the edge position, the nut counter bores (5) are matched with the threaded fixing holes (4), fixing screws (6) are movably connected to the nut counter bores (5), and threaded ends of the fixing screws (6) penetrate through the nut counter bores (5) and are connected into the threaded fixing holes (4) in a threaded mode;
the edge position of the lower surface of the shell (1) is uniformly provided with vertical screw holes (7), horizontal counter bores (8) are uniformly formed below the side surface of the shell (1), horizontal screws (9) are movably connected in the horizontal counter bores (8), a fixed block (10) is fixedly arranged on the upper surface of the base (3), the fixed block (10) is clamped on the side surface of the inner cavity of the shell (1), horizontal screw holes (11) are uniformly formed in the fixed block (10), the horizontal screw holes (11) correspond to the horizontal counter bores (8), and the threaded ends of the horizontal screws (9) penetrate through the horizontal counter bores (8) and are in threaded connection with the horizontal screw holes (11); vertical counter bores (12) are evenly formed in the surface of the base (3) along the edge, vertical screws (13) are movably connected into the vertical counter bores (12), the vertical counter bores (12) correspond to the vertical screw holes (7), and the threaded ends of the vertical screws (13) penetrate through the vertical counter bores (12) and are connected into the vertical screw holes (7) in a threaded mode.
2. The novel flameproof shell structure of claim 1, characterized in that: an inclined chamfer (14) is formed in the position, contacting with the inner surface of the shell (1), above the side surface of the fixed block (10), and a sealant (15) is filled in the inclined chamfer (14).
3. The novel flameproof shell structure of claim 1, characterized in that: the vertical screw holes (7) and the horizontal counter bores (8) on the shell (1) are uniformly distributed in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020948601.6U CN212202108U (en) | 2020-05-29 | 2020-05-29 | Novel flame-proof type shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020948601.6U CN212202108U (en) | 2020-05-29 | 2020-05-29 | Novel flame-proof type shell structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212202108U true CN212202108U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020948601.6U Active CN212202108U (en) | 2020-05-29 | 2020-05-29 | Novel flame-proof type shell structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212202108U (en) |
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2020
- 2020-05-29 CN CN202020948601.6U patent/CN212202108U/en active Active
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