CN215952867U - Casing sealing device - Google Patents
Casing sealing device Download PDFInfo
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- CN215952867U CN215952867U CN202122412789.XU CN202122412789U CN215952867U CN 215952867 U CN215952867 U CN 215952867U CN 202122412789 U CN202122412789 U CN 202122412789U CN 215952867 U CN215952867 U CN 215952867U
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- end cover
- connecting rod
- shell
- sealing
- steel wire
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Abstract
The utility model discloses a casing sealing device. One end of the shell is provided with a slotted hole structure; the device includes: the first end cover is provided with a bulge for sealing the slotted hole structure; one end of the connecting rod is connected to the bulge; the second end cover is provided with a through hole for the other end of the connecting rod to pass through; the second end cover is detachably connected with the connecting rod and is used for sealing the other end of the shell; the third end cover is arranged on the second end cover and detachably connected with the second end cover, and is used for sealing the through hole penetrating through the connecting rod. According to the shell sealing device provided by the utility model, the first end cover and the second end cover are connected through adding the connecting rod without assembling the steel wire threaded sleeve, and the second end cover is connected with the third end cover. The sealing performance of the shell is guaranteed through the first end cover, the second end cover and the third end cover, waste of the steel wire thread insert is avoided, waste of time for assembling the steel wire thread insert is reduced, and machining efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of sealing, in particular to a shell sealing device.
Background
For casings that work underwater, it is often necessary to seal them, and during production, the sealed casings are tested for gas tightness.
In the prior art, the housing includes: a cylinder and a flange; two flanges are arranged and respectively welded at two ends of the cylinder; the flange is provided with a steel wire thread sleeve hole, in order to seal the shell, the steel wire thread sleeve needs to be assembled in the steel wire thread sleeve hole firstly, then the sealing end covers are assembled on the flanges at two ends, and then screws penetrate through the sealing end covers to be matched and screwed with the steel wire thread sleeve in the steel wire thread sleeve hole. Thereby with end cover and casing fixed connection, can seal the casing through above-mentioned process, however, after accomplishing the gas tightness test, still need dismantle the steel wire swivel nut, whole process need assemble the steel wire swivel nut and dismantle the steel wire swivel nut, and with steel wire swivel nut complex steel wire swivel nut hole quantity very much, accomplish above-mentioned process through this structural design and can waste a large amount of time, waste a large amount of steel wire swivel nuts again, production efficiency is also lower.
Aiming at the problems of time waste, steel wire thread insert waste and low efficiency in the process of assembling and disassembling the steel wire thread insert in the prior art, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a shell sealing device, which aims to solve the problems that in the prior art, in the processes of assembling and disassembling a steel wire thread insert, time and the steel wire thread insert are wasted, and the efficiency is low.
In order to achieve the above object, the present invention provides a casing sealing device, wherein one end of the casing is provided with a slot structure; the device includes: the first end cover is provided with a bulge for sealing the slotted hole structure; one end of the connecting rod is connected to the bulge; the second end cover is provided with a through hole for enabling the other end of the connecting rod to penetrate through; the second end cover is detachably connected with the connecting rod and is used for sealing the other end of the shell; and the third end cover is arranged on the second end cover and detachably connected with the second end cover, and is used for sealing the through hole penetrating through the connecting rod.
Optionally, the second end cap is connected to the third end cap by a screw.
Optionally, the connecting rod is connected with the second end cap through a nut.
Optionally, a U-shaped groove is formed in the second end cap, and an opening is formed in the U-shaped groove in a direction opposite to the connecting rod; the other end of the connecting rod is connected with the bottom of the U-shaped groove in a penetrating mode.
Optionally, the third end cover is a flat plate structure, and the third end cover is disposed on the U-shaped groove to seal the U-shaped groove; the width of the third end cover is larger than that of the U-shaped groove.
Optionally, the connecting rod is provided with a plurality of connecting rods, wherein the axis of one connecting rod is coincident with the axis of the shell; and the rest connecting rods are arranged in the shell and are positioned on the edge of the shell.
Optionally, the first end cap is of an integrated structure; the second end cover is of an integrated structure; the third end cover is of an integrated structure.
Optionally, a first O-ring is disposed between the first end cap and one end of the connecting rod.
Optionally, a second O-ring is disposed between the second end cap and the other end of the connecting rod.
Optionally, the first end cover, the second end cover and the third end cover are made of stainless steel, aluminum profiles or hard plastics.
The utility model has the beneficial effects that:
the utility model provides a shell sealing device, wherein one end of a shell is provided with a slotted hole structure; the sealing device includes: the first end cover is provided with a bulge for sealing the slotted hole structure; one end of the connecting rod is connected to the bulge; the second end cover is provided with a through hole for the other end of the connecting rod to pass through; the second end cover is detachably connected with the connecting rod and is used for sealing the other end of the shell; the third end cover is arranged on the second end cover and detachably connected with the second end cover, and is used for sealing the through hole penetrating through the connecting rod.
Through the structural design, the shell sealing device provided by the utility model does not need to be assembled with a steel wire threaded sleeve, the first end cover and the second end cover are connected through adding the connecting rod, and the second end cover is connected with the third end cover through a screw. The other end of the connecting rod is connected with the second end cover through a nut. Therefore, the second end cover can be guaranteed to be tightly pressed on the shell only through the nut, waste of the steel wire thread insert is avoided, waste of time for assembling the steel wire thread insert is reduced, and machining efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a casing sealing device according to an embodiment of the present invention.
Description of the symbols:
a first end cap-1, a second end cap-2, a third end cap-3, a connecting rod-4 and a shell-5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the prior art, the housing 5 comprises: a cylinder and a flange; two flanges are arranged and respectively welded at two ends of the cylinder; the flange is provided with a steel wire thread sleeve hole, in order to seal the shell 5, a steel wire thread sleeve needs to be assembled in the steel wire thread sleeve hole firstly, then the sealing end covers are assembled on the flanges at two ends, and then screws penetrate through the sealing end covers to be matched and screwed with the steel wire thread sleeve in the steel wire thread sleeve hole, so that the end covers are fixedly connected with the shell 5. Can seal casing 5 through above-mentioned process, however, after accomplishing the gas tightness test, still need dismantle the steel wire swivel nut, whole process need assemble the steel wire swivel nut and dismantle the steel wire swivel nut, and with steel wire swivel nut complex steel wire swivel nut hole quantity many, accomplish above-mentioned process through this structural design and can waste a large amount of time, waste a large amount of steel wire swivel nuts again, production efficiency is also lower.
Thus, the present invention provides a sealing device for a housing, fig. 1 is a schematic structural view of a sealing device for a housing 5 according to an embodiment of the present invention, as shown in fig. 1,
a slotted hole structure is arranged at one end of the shell 5; this slot structure needs to be sealed when the housing 5 is subjected to the air-tightness test. The sealing device of the shell 5 comprises the following structures:
1. first end cap 1
The first end cover 1 is provided with a bulge for sealing the slotted hole structure, and the bulge is matched with the slotted hole structure.
In the utility model, one end of the connecting rod 4, which is connected with one end of the connecting rod 4, is in a longitudinal cylindrical shape, and one end of the connecting rod 4, which is close to the direction of the bulge, is provided with a first inserting column which is inserted on the bulge, so that the bulge can be connected with the connecting rod 4. It is noted that the first plug-in stud does not penetrate the first end cap 1, so that the tightness of the first end cap 1 is ensured.
2. Second end cap 2
The second end cap 2 is provided with a through hole for the other end of the connecting rod 4 to pass through; the second end cover 2 is detachably connected with the connecting rod 4 and is used for sealing the other end of the shell 5;
in the utility model, one end of the connecting rod 4 close to the second end cover 2 is provided with a second plug-in column, the length of the second plug-in column is greater than that of the first plug-in column, and the length of the second plug-in column is greater than that of the through hole. The second plug column is matched with the through hole. In the utility model, the through hole is a cylindrical hole, and the second plug column is also cylindrical.
3. Third end cap 3
The third end cap 3 is arranged on the second end cap 2 and detachably connected with the second end cap 2, and is used for sealing a through hole penetrating through the connecting rod 4.
After the second plug column passes through the through hole on the second end cover 2, a gap still exists between the second plug column and the through hole. Thus, the third end cap 3 is provided on the second end cap 2, and the third end cap 3 is used to close the through hole penetrating the connecting rod 4, so that the sealing performance of the housing 5 is ensured (the housing 5 is completely sealed).
Based on the structure design, the utility model also makes the following structure design:
a U-shaped groove is formed in the second end cover 2, and an opening is formed in the U-shaped groove in the direction back to the connecting rod 4; the other end of the connecting rod 4 penetrates through the bottom of the U-shaped groove and is detachably connected with the bottom of the U-shaped groove; the connecting rod 4 is connected with the second end cover 2 through a nut; specifically, the connecting rod 4 is connected with the bottom of the U-shaped groove through a nut, the through hole is formed in the bottom of the U-shaped groove, and the connecting rod 4 is screwed on the connecting rod 4 through the nut after penetrating through the through hole in the bottom of the U-shaped groove, so that the connecting rod 4 is fixed with the U-shaped groove.
The third end cover 3 is of a flat plate type structure, and the third end cover 3 is arranged on the U-shaped groove to seal the U-shaped groove; specifically, the third end cap 3 completely seals the opening of the U-shaped groove, and the width of the third end cap 3 is greater than that of the U-shaped groove. The second end cover 2 is connected with the third end cover 3 through a screw, and specifically, a U-shaped groove in the second end cover 2 is connected with the third end cover 3 through a screw. The screw is equipped with a plurality ofly, is connected the edge of third end cover 3 with the U type groove on the second end cover 2 respectively.
After the air tightness test is completed, the screw and the nut are only needed to be disassembled, and the third end cover 3 and the second end cover 2 are taken down, so that the steel wire thread insert does not need to be assembled and disassembled, the time for assembling the steel wire thread insert is reduced, and the waste of the steel wire thread insert is also avoided.
In the utility model, a plurality of connecting rods 4 are arranged, wherein the axis of one connecting rod 4 is superposed with the axis of the shell 5; the remaining connecting rods 4 are arranged in the housing 5 and on the edge of the housing 5. Specifically, the number of the connecting rods 4 is three, four or five, and when the number of the connecting rods 4 is 4, the axis of one connecting rod 4 coincides with the axis of the shell 5, namely, is located at the center of the shell; the remaining 3 connecting rods 4 are arranged in the housing 5 and on the edge of the housing 5, i.e. 3 connecting rods 4 are arranged around the axis of the housing. The connecting rod 4 is preferably made of a metal material (e.g., stainless steel), and may also be made of a hard material, such as an ABS material (with high material strength) or an aluminum profile (with high structural strength and light weight), so as to ensure that the connecting rod 4 has high structural strength.
In order to improve the sealing effect of the utility model on the shell 5, a first O-shaped ring is arranged between the first end cover 1 and one end of the connecting rod 4; a second O-shaped ring is arranged between the second end cover 2 and the other end of the connecting rod 4. The first O-shaped ring and the second O-shaped ring can be made of styrene-butadiene rubber (with good water resistance and good elasticity).
In the utility model, the first end cover 1 is of an integrated structure; the second end cover 2 is of an integrated structure; the third end cap 3 is of an integral structure. The first end cover 1, the second end cover 2 and the third end cover 3 are made of stainless steel, aluminum profiles or hard plastics.
In the embodiment that the first end cover 1, the second end cover 2 and the connecting rod 4 are made of metal materials, in order to avoid the problem that the connecting rod 4 is in rigid contact with the first end cover 1 or the second end cover 2 to cause structural damage, in the utility model, the outer surfaces of the first inserting column and the second inserting column on the connecting rod 4 are provided with the protective layers made of high polymer materials (the hardness of the protective layers is smaller than that of the first end cover 1 and the second end cover 2), and the first end cover 1 or the second end cover 2 is in contact with the protective layers, so that the problem that parts are damaged due to the contact of metal and metal can be avoided. Of course, the protective layer can also effectively avoid the problem that the connecting rod 4 is deformed or damaged when penetrating into the first end cap 1 and the second end cap 2.
The utility model has the beneficial effects that:
the utility model provides a sealing device of a shell 5, wherein one end of the shell 5 is provided with a slotted hole structure; the device includes: the structure comprises a first end cover 1, a second end cover 2 and a third end cover 3, wherein the first end cover 1 is provided with a bulge for sealing a slotted hole structure; one end of a connecting rod 4 is connected on the bulge; the second end cap 2 is provided with a through hole for the other end of the connecting rod 4 to pass through; the second end cover 2 is detachably connected with the connecting rod 4 and is used for sealing the other end of the shell 5; the third end cap 3 is arranged on the second end cap 2 and detachably connected with the second end cap 2, and is used for sealing a through hole penetrating through the connecting rod 4. The sealing device of the shell 5 provided by the utility model has the advantages that the first end cover 1 and the second end cover 2 are connected by adding the connecting rod 4 without assembling a steel wire threaded sleeve, and the second end cover 2 is connected with the third end cover 3 through a screw. The other end of the connecting rod 4 is connected with the second end cap 2 through a nut. Therefore, the second end cover 2 can be guaranteed to be tightly pressed against the shell 5 only through the nut, waste of the steel wire thread insert is avoided, waste of time for assembling the steel wire thread insert is reduced, and machining efficiency is improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A casing sealing device is characterized in that a slotted hole structure is arranged at one end of a casing; characterized in that the device comprises: the first end cover is provided with a bulge for sealing the slotted hole structure; one end of the connecting rod is connected to the bulge;
the second end cover is provided with a through hole for enabling the other end of the connecting rod to penetrate through; the second end cover is detachably connected with the connecting rod and is used for sealing the other end of the shell;
and the third end cover is arranged on the second end cover and detachably connected with the second end cover, and is used for sealing the through hole penetrating through the connecting rod.
2. The apparatus of claim 1, wherein:
the second end cap is connected with the third end cap through a screw.
3. The apparatus of claim 1, wherein:
the connecting rod is connected with the second end cover through a nut.
4. The apparatus of claim 1, wherein:
a U-shaped groove is formed in the second end cover, and an opening is formed in the U-shaped groove in the direction opposite to the connecting rod; the other end of the connecting rod is connected with the bottom of the U-shaped groove in a penetrating mode.
5. The apparatus of claim 4, wherein:
the third end cover is of a flat plate type structure and is arranged on the U-shaped groove so as to seal the U-shaped groove; the width of the third end cover is larger than that of the U-shaped groove.
6. The apparatus of claim 1, wherein:
the connecting rods are provided in plurality, wherein the axis of one connecting rod is coincident with the axis of the shell; and the rest connecting rods are arranged in the shell and are positioned on the edge of the shell.
7. The apparatus of claim 1, wherein:
the first end cover is of an integrated structure;
the second end cover is of an integrated structure;
the third end cover is of an integrated structure.
8. The apparatus of claim 1, wherein:
and a first O-shaped ring is arranged between the first end cover and one end of the connecting rod.
9. The apparatus of claim 1, wherein:
and a second O-shaped ring is arranged between the second end cover and the other end of the connecting rod.
10. The apparatus of claim 1, wherein:
the first end cover, the second end cover and the third end cover are made of stainless steel, aluminum profiles or hard plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122412789.XU CN215952867U (en) | 2021-10-08 | 2021-10-08 | Casing sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122412789.XU CN215952867U (en) | 2021-10-08 | 2021-10-08 | Casing sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215952867U true CN215952867U (en) | 2022-03-04 |
Family
ID=80424312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122412789.XU Active CN215952867U (en) | 2021-10-08 | 2021-10-08 | Casing sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215952867U (en) |
-
2021
- 2021-10-08 CN CN202122412789.XU patent/CN215952867U/en active Active
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