CN218766295U - Plugging tool for circular ring-shaped opening connecting pipe - Google Patents
Plugging tool for circular ring-shaped opening connecting pipe Download PDFInfo
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- CN218766295U CN218766295U CN202222506869.6U CN202222506869U CN218766295U CN 218766295 U CN218766295 U CN 218766295U CN 202222506869 U CN202222506869 U CN 202222506869U CN 218766295 U CN218766295 U CN 218766295U
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- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000003825 pressing Methods 0.000 claims description 11
- 238000001746 injection moulding Methods 0.000 abstract description 12
- 239000010721 machine oil Substances 0.000 abstract description 11
- 230000005489 elastic deformation Effects 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to an injection molding machine oil tank air pressure test instrument technical field, in particular to shutoff frock that ring form opening was taken over, through stud, spacing cardboard, compress tightly the cover, the structure and the ingenious interconnect mode improvement of bipyramid sealing washer and apron, only need simple operation just can realize the totally enclosed shutoff that the smooth ring form opening of inner wall of injection molding machine oil tank was taken over, through setting up bar through-hole structure at spacing cardboard middle part, make can incline when spacing cardboard stretches into opening takeover hole and pass through, and the spacing cardboard of an ingenious utilization style of calligraphy blocks the interior terminal surface of opening takeover, and the elastic deformation of bipyramid sealing washer, guarantee the leakproofness that the opening was taken over, like this when aerifing, can prevent whether gaseous position from stud and apron from revealing. Compare current opening takeover sealing mode for injection molding machine oil tank air pressure test need not destroy under the condition on any machined surface, has easy dismounting's advantage.
Description
Technical Field
The utility model relates to an injection molding machine oil tank air pressure test instrument technical field, in particular to shutoff frock that ring form opening was taken over.
Background
The air pressure test is one of effective means for ensuring the manufacturing quality of the injection molding machine oil tank, the injection molding machine oil tank needs to seal a plurality of opening connecting pipes on the oil tank in order to prevent leakage, compressed air with certain pressure is filled into the oil tank and is kept for half an hour, and soapy water is coated on all welding seam positions of the oil tank to detect whether the oil tank has leakage or not.
At present there are several kinds of modes to the opening takeover to seal, and the first one is the welding formula, is about to the mouth of pipe reserve a section length, welds the blind plate, waits to cut again after the atmospheric pressure test, and the extravagant material of this kind of mode is wasted time and energy again, and the opening takeover of injection molding machine oil tank is organic processing, does not allow to cut. The second is an external welding clamp plate type structure, the structure needs to be welded with the clamp plate at the outside and locked by a movable flange and a blind plate, and the welding quantity is small, but the structure is also not suitable for connecting pipes with an opening of an injection molding machine with a machined surface due to welding.
For the structure of the circular opening connecting pipe, because the inner wall of the circular opening connecting pipe is smooth and has no supporting point, no way for sealing the opening connecting pipe in a non-welding way exists at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: aiming at the structure of the circular opening connecting pipe, how to design a sealing mode without welding.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a plugging tool for a circular opening connecting pipe comprises a stud, a limiting clamping plate, a pressing sleeve, a double-cone sealing ring, a cover plate, a circular sealing ring, a gasket, a first nut and a second nut;
the double-end stud comprises a cylindrical middle section, a first threaded column and a second threaded column, wherein the first threaded column and the second threaded column are respectively positioned at two ends of the cylindrical middle section; a first limiting part is arranged at one end of the cylindrical middle section, which faces the first threaded column;
the limiting clamping plate is in a straight shape, the length of the limiting clamping plate is larger than the inner diameter of the circular opening connecting pipe, a strip-shaped through hole is formed in the middle of the limiting clamping plate, the width of the strip-shaped through hole is larger than the diameter of the cylindrical middle section of the stud, and the limiting clamping plate is sleeved on the cylindrical middle section of the stud;
the middle part of the cover plate is provided with a conical through hole, the diameter of the conical through hole is gradually reduced from top to bottom, the minimum diameter of the conical through hole is larger than the diameter of the cylindrical middle section of the stud bolt, and the cover plate is sleeved on the cylindrical middle section of the stud bolt through the conical through hole;
the circular sealing ring is connected to the edge of the cover plate;
a limiting through hole is formed in the middle shaft of the pressing sleeve, the lower end of the limiting through hole is conical, and the minimum diameter of the limiting through hole is larger than the diameter of the cylindrical middle section of the stud;
the middle part of the double-cone sealing ring is provided with a cylindrical through hole, two ends of the double-cone sealing ring are respectively provided with a first cone connecting part and a second cone connecting part, the first cone connecting part is connected with the conical through hole in a limiting and matching manner, and the second cone connecting part is connected with a conical part at the lower end of the limiting through hole in a limiting and matching manner;
the gasket is sleeved on a first threaded column of the stud, and the first nut is in threaded fit connection with the first threaded column;
the gasket is positioned between the first nut and the limiting clamping plate;
the second nut is in threaded fit connection with the second threaded column, and the lower end of the second nut abuts against the upper end of the pressing sleeve.
Further, in the plugging tool structure for the circular ring-shaped opening connecting pipe, the strip-shaped hole is a waist-round hole.
Further, in the plugging tool structure of the circular ring-shaped opening connecting pipe, two ends of the limiting clamping plate are arc-shaped.
Further, in the plugging tool structure for the circular opening connecting pipe, the conical angle of the first conical connecting part of the double-conical sealing ring is 50-70 degrees.
Further, in the plugging tool structure for the circular opening connecting pipe, the conical angle of the second conical connecting part of the double-conical sealing ring is 50-70 degrees.
The beneficial effects of the utility model reside in that: the utility model relates to an among the shutoff frock structure that ring form opening was taken over, through stud, spacing cardboard, compress tightly the cover, the structure and the ingenious interconnect mode of bipyramid sealing washer and apron improve, only need simple operation just can realize the totally enclosed shutoff that the smooth ring form opening of inner wall of injection molding machine oil tank was taken over, through setting up bar-shaped through hole structure in the middle part of spacing cardboard, make to stretch into the opening at spacing cardboard and take over the hole and pass through that can incline when the hole, and the spacing cardboard of ingenious utilization style of calligraphy blocks the opening and takes over the interior terminal surface, and the elastic deformation of bipyramid sealing washer, guarantee the leakproofness that the opening was taken over, like this when aerifing the pressurize, can prevent that gaseous position from stud and apron from revealing. Compare current opening takeover sealing mode for injection molding machine oil tank air pressure test need not destroy under the condition on any machined surface, has easy dismounting's advantage.
Drawings
Fig. 1 is a sectional view of a structure of a plugging tool for a circular ring-shaped opening connection pipe and a connection of the circular ring-shaped opening connection pipe according to an embodiment of the present invention;
fig. 2 is a sectional view of the structure of a circular ring-shaped opening connection pipe according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a stud of a plugging tool for a circular ring-shaped opening connection pipe according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a limiting clamping plate of a plugging tool for a circular opening connection pipe according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a cover plate of a plugging tool for a circular ring-shaped opening connection pipe according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a pressing sleeve of a plugging tool for a circular ring-shaped opening connection pipe according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a double-cone sealing ring of a plugging tool for a circular ring-shaped opening connection pipe according to an embodiment of the present invention;
fig. 8 is a structural cross-sectional view of the plugging tool for the circular ring-shaped open connection pipe according to the embodiment of the present invention when the plugging tool extends into the inner hole of the circular ring-shaped open connection pipe;
description of reference numerals:
1. a circular opening connecting pipe;
21. a stud; 211. a cylindrical middle section; 212. a first threaded post; 213. a second threaded post; 22. a limiting clamping plate; 221. a strip-shaped through hole; 23. a compression sleeve; 231. a limiting through hole; 24. a double-cone sealing ring; 241. a first conical connecting portion; 242. a second conical connecting section; 25. a cover plate; 251. a tapered through hole; 26. a circular ring seal ring; 27. a gasket; 28. a first nut; 29. a second nut.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 8, an embodiment of the present invention relates to a plugging tool for a circular ring-shaped opening connection pipe, including a stud 21, a limiting clamping plate 22, a pressing sleeve 23, a double-cone sealing ring 24, a cover plate 25, a circular ring sealing ring 26, a gasket 27, a first nut 28 and a second nut 29;
the stud 21 comprises a cylindrical middle section 211 and a first threaded column 212 and a second threaded column 213 which are respectively positioned at two ends of the cylindrical middle section 211; a first limiting part is arranged at one end, facing the first threaded column 212, of the cylindrical middle section 211;
the limiting clamping plate 22 is in a straight shape, the length of the limiting clamping plate 22 is greater than the inner diameter of the circular opening connecting pipe, a strip-shaped through hole 221 is formed in the middle of the limiting clamping plate 22, the width of the strip-shaped through hole 221 is greater than the diameter of the cylindrical middle section 211 of the stud 21, and the limiting clamping plate 22 is sleeved on the cylindrical middle section 211 of the stud 21;
the middle part of the cover plate 25 is provided with a conical through hole 251, the diameter of the conical through hole 251 is gradually reduced from top to bottom, the minimum diameter of the conical through hole 251 is larger than the diameter of the cylindrical middle section 211 of the stud 21, and the cover plate 25 is sleeved on the cylindrical middle section 211 of the stud 21 through the conical through hole 251;
the annular sealing ring 26 is connected to the edge of the cover plate 25;
a limiting through hole 231 is formed in the middle shaft of the pressing sleeve 23, the lower end of the limiting through hole 231 is conical, and the minimum diameter of the limiting through hole 231 is larger than the diameter of the cylindrical middle section 211 of the stud bolt 21;
a cylindrical through hole is formed in the middle of the double-cone sealing ring 24, a first cone connecting part 241 and a second cone connecting part 242 are respectively arranged at two ends of the double-cone sealing ring 24, the first cone connecting part 241 is connected with the conical through hole 251 in a limiting and matching manner, and the second cone connecting part 242 is connected with a conical part at the lower end of the limiting through hole 231 in a limiting and matching manner;
the gasket 27 is sleeved on the first threaded column 212 of the stud 21, and the first nut 28 is in threaded fit connection with the first threaded column 212;
the spacer 27 is positioned between the first nut 28 and the limiting clamping plate 22;
the second nut 29 is in threaded fit connection with the second threaded column 213, and the lower end of the second nut 29 abuts against the upper end of the pressing sleeve 23.
In this embodiment, the bar-shaped holes are waist-shaped holes.
In this embodiment, the two ends of the limiting clamping plate 22 are circular arcs.
In this embodiment, the taper angle of the first conical connection portion 241 of the double-cone sealing ring 24 is 50 to 70 degrees, preferably 60 degrees.
In this embodiment, the taper angle of the second conical connection portion 242 of the double-cone sealing ring 24 is 50 to 70 degrees, preferably 60 degrees.
The assembly method of the plugging tool for the circular opening connecting pipe comprises the following steps:
the limit clamping plate 22 is sleeved on the cylindrical middle section 211 of the stud 21 through a strip-shaped through hole 221 in advance, a gasket 27 is sleeved on the first threaded column 212 of the stud 21, the first nut 28 is in threaded fit connection with the first threaded column 212, the cover plate 25 is sleeved on the cylindrical middle section 211 of the stud 21, the double-cone sealing ring 24 is sleeved on the cylindrical middle section 211 of the stud 21, the pressing sleeve 23 is sleeved on the cylindrical middle section 211 of the stud 21, the second nut 29 is in threaded fit connection with the second thread, but is not screwed, one end of the first threaded column 212 of the stud 21 and the limit clamping plate 22 are extended into an inner hole of the opening connecting pipe, when inserting, spacing cardboard 22 slope is passed through, refer to fig. 8, when spacing cardboard 22 stretches into to the opening takeover inner, under the action of gravity, spacing cardboard 22 returns straight, spacing cardboard 22 is close perpendicular with the axial of opening takeover promptly, refer to fig. 1, pull back stud 21, make the both ends card of spacing cardboard 22 take over the interior terminal surface in the opening takeover, then lock second nut 29, utilize the elastic deformation of ring seal 26, make the opening takeover body the outward flange completely sealed with the edge of apron 25, simultaneously, utilize the elastic deformation of bipyramid sealing washer 24, make the clearance between apron 25 and the cylindrical middle section 211 of stud 21 completely sealed.
In the structure above, through stud 21, spacing cardboard 22, compress tightly cover 23, bipyramid sealing washer 24 and apron 25's structure and ingenious interconnect mode improve, only need simple operation just can realize the smooth ring form opening of inner wall of injection molding machine oil tank and take over the complete sealed shutoff of 1, through set up bar through-hole 221 structure in spacing cardboard 22 middle part, make can incline when spacing cardboard 22 stretches into opening takeover hole and pass through, and the spacing cardboard 22 of ingenious utilization style of calligraphy blocks the opening takeover interior terminal surface, and bipyramid sealing washer 24's elastic deformation, guarantee the leakproofness that the opening was taken over, when aerifing the pressurize like this, can prevent that gaseous from revealing away from stud 21 and apron 25's position. Compare current opening takeover sealing mode for injection molding machine oil tank air pressure test need not destroy under the condition on any machined surface, has easy dismounting's advantage.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. A plugging tool for a circular opening connecting pipe is characterized by comprising a stud, a limiting clamping plate, a pressing sleeve, a double-cone sealing ring, a cover plate, a circular ring sealing ring, a gasket, a first nut and a second nut;
the double-end stud comprises a cylindrical middle section, a first threaded column and a second threaded column, wherein the first threaded column and the second threaded column are respectively positioned at two ends of the cylindrical middle section; a first limiting part is arranged at one end of the cylindrical middle section, which faces the first threaded column;
the limiting clamping plate is in a straight shape, the length of the limiting clamping plate is larger than the inner diameter of the circular opening connecting pipe, a strip-shaped through hole is formed in the middle of the limiting clamping plate, the width of the strip-shaped through hole is larger than the diameter of the cylindrical middle section of the stud, and the limiting clamping plate is sleeved on the cylindrical middle section of the stud;
the middle part of the cover plate is provided with a conical through hole, the diameter of the conical through hole is gradually reduced from top to bottom, the minimum diameter of the conical through hole is larger than the diameter of the cylindrical middle section of the stud bolt, and the cover plate is sleeved on the cylindrical middle section of the stud bolt through the conical through hole;
the circular sealing ring is connected to the edge of the cover plate;
a limiting through hole is formed in the middle shaft of the pressing sleeve, the lower end of the limiting through hole is conical, and the minimum diameter of the limiting through hole is larger than the diameter of the cylindrical middle section of the stud;
a cylindrical through hole is formed in the middle of the double-cone sealing ring, a first cone connecting part and a second cone connecting part are respectively arranged at two ends of the double-cone sealing ring, the first cone connecting part is connected with the conical through hole in a limiting and matching manner, and the second cone connecting part is connected with a conical part at the lower end of the limiting through hole in a limiting and matching manner;
the gasket is sleeved on a first threaded column of the stud, and the first nut is in threaded fit connection with the first threaded column;
the gasket is positioned between the first nut and the limiting clamping plate;
the second nut is in threaded fit connection with the second threaded column, and the lower end of the second nut abuts against the upper end of the pressing sleeve.
2. The plugging tool for the circular ring-shaped opening connecting pipe according to claim 1, wherein the strip-shaped through hole is a waist circular hole.
3. The plugging tool for the circular opening connecting pipe according to claim 1, wherein two ends of the limiting clamping plate are arc-shaped.
4. The plugging tool for the circular ring-shaped opening connecting pipe according to claim 1, wherein the cone angle of the first cone connecting part of the double-cone sealing ring is 50-70 degrees.
5. The plugging tool for the circular ring-shaped opening connecting pipe according to claim 1, wherein the conical angle of the second conical connecting part of the double-cone sealing ring is 50-70 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222506869.6U CN218766295U (en) | 2022-09-21 | 2022-09-21 | Plugging tool for circular ring-shaped opening connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222506869.6U CN218766295U (en) | 2022-09-21 | 2022-09-21 | Plugging tool for circular ring-shaped opening connecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218766295U true CN218766295U (en) | 2023-03-28 |
Family
ID=85693896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222506869.6U Active CN218766295U (en) | 2022-09-21 | 2022-09-21 | Plugging tool for circular ring-shaped opening connecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218766295U (en) |
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2022
- 2022-09-21 CN CN202222506869.6U patent/CN218766295U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 901, Jinming East Road, Jinshayuan, Sanming Hi tech Industrial Development Zone, Fujian Province, 365000 Patentee after: Sinochem (Fujian) Rubber Machinery Co.,Ltd. Country or region after: Zhong Guo Address before: No. 901, Jinming East Road, Jinshayuan, Sanming Hi tech Industrial Development Zone, Fujian Province, 365000 Patentee before: Fujian Tianhua Intelligent Equipment Co.,Ltd. Country or region before: Zhong Guo |