CN213396729U - Plugging device for heat exchange tube - Google Patents
Plugging device for heat exchange tube Download PDFInfo
- Publication number
- CN213396729U CN213396729U CN202021933280.9U CN202021933280U CN213396729U CN 213396729 U CN213396729 U CN 213396729U CN 202021933280 U CN202021933280 U CN 202021933280U CN 213396729 U CN213396729 U CN 213396729U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- exchange tube
- screw rod
- sleeve pipe
- nut
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- 239000003292 glue Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims abstract 2
- 238000009826 distribution Methods 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 239000000565 sealant Substances 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010304 firing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Pipe Accessories (AREA)
Abstract
The utility model relates to a heat exchange tube shutoff technical field is a plugging device for heat exchange tube, and it includes sealing compound and shutoff bolt, and the left part outside suit of shutoff bolt is inboard at the right part of heat exchange tube, and the shutoff bolt includes sleeve pipe, bracing piece, screw rod and nut, and the screw rod left end is fixed with to be coniform and the external diameter from a left side to the right side bracing piece that reduces gradually. The utility model has the advantages of reasonable and compact structure, convenient to use, it makes the screw rod wholly remove right through screwing up the nut, drives the bracing piece and removes right and outwards struts the extrusion sealant with the sleeve pipe, makes sealed glue seal sleeve pipe and heat exchange tube together, and sealed glue seals each space department of shutoff bolt simultaneously, has realized the shutoff of heat exchange tube under the various environmental condition, and convenient operation has reduced operation risk and staff's intensity of labour.
Description
Technical Field
The utility model relates to a heat exchange tube shutoff technical field is a plugging device for heat exchange tube.
Background
The tube type heat exchanger often encounters leakage of a certain tube array in the use process, the common treatment mode is that small rods made of corresponding materials on stainless steel or carbon steel tube arrays are adopted to seal two ends of a heat exchange tube by welding, the treatment mode belongs to firing operation, the operation time including invoicing, firing analysis and other preparation work is 2-3 hours, the operation time is long, if the heat exchanger is installed in a flammable and explosive area or other strictly forbidden firing areas with high risk or other toxic and harmful environments, the condition of sealing the heat exchange tube needs to be solved in a short time, the welding operation is limited, the operation risk is high, the labor intensity of workers is high, and the operation is not easy.
Disclosure of Invention
The utility model provides a plugging device for heat exchange tube has overcome above-mentioned prior art not enough, and it can effectively be solved and use the welding operation to carry out the mode existence that the heat exchange tube shutoff is restricted by the difficult problem of operation of environmental condition.
The technical scheme of the utility model is realized through following measure: the utility model provides a plugging device for heat exchange tube, including the sealant and the shutoff bolt, the left part outside suit of shutoff bolt is inboard at the right part of heat exchange tube, the shutoff bolt includes the sleeve pipe, the bracing piece, screw rod and nut, the screw rod left end is fixed with be coniform and the outside bracing piece that reduces gradually from a left side to the right side, the left part outside suit of screw rod is equipped with the sleeve pipe of left part suit in the bracing piece right part outside, the sleeve pipe is horizontal distribution's hollow structure, the sleeve pipe internal diameter is less than bracing piece left part outside diameter, the screw rod outside spiro union that corresponds sleeve pipe right side position has the nut, it has sealed glue to pour into between the.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the plugging bolt also can comprise a flat washer, the inner diameter of which is matched with the outer diameter of the screw rod and the flat washer is sleeved on the outer side of the middle part of the screw rod.
The plugging bolt also comprises a spring washer sleeved outside the screw rod corresponding to the position between the flat washer and the nut, the left side of the spring washer is contacted with the right side of the flat washer, and the right side of the spring washer is contacted with the left side of the nut.
The left part of the sleeve can be evenly distributed with a plurality of cuts which are communicated from inside to outside and have leftward openings along the circumference.
The right end of the screw rod can be coaxially fixed with a square rod with a square vertical section.
The utility model has the advantages of reasonable and compact structure, convenient to use, it makes the screw rod wholly remove right through screwing up the nut, drives the bracing piece and removes right and outwards struts the extrusion sealant with the sleeve pipe, makes sealed glue seal sleeve pipe and heat exchange tube together, and sealed glue seals each space department of shutoff bolt simultaneously, has realized the shutoff of heat exchange tube under the various environmental condition, and convenient operation has reduced operation risk and staff's intensity of labour.
Drawings
Fig. 1 is a schematic view of a front view and a sectional structure of the present invention.
Fig. 2 is the structure schematic diagram of the main view of the middle plugging bolt of the present invention.
The codes in the figures are respectively: the heat exchange tube is 1, the sleeve is 2, the sealant is 3, the screw is 4, the nut is 5, the support rod is 6, the flat washer is 7, the spring washer is 8, the square rod is 9, and the notch is 10.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in the attached drawing 1, the plugging device for the heat exchange tube comprises a sealant 3 and a plugging bolt, the left outer side of the plugging bolt is sleeved on the right inner side of the heat exchange tube 1, the plugging bolt comprises a sleeve 2, a support rod 6, a screw rod 4 and a nut 5, the left end of the screw rod 4 is fixed with the support rod 6 which is conical and gradually reduces the outer diameter from left to right, the left outer side of the screw rod 4 is sleeved with the sleeve 2 of which the left part is sleeved on the right outer side of the support rod 6, the sleeve 2 is of a hollow structure which is horizontally distributed, the inner diameter of the sleeve 2 is smaller than the outer diameter of the left part of the support rod 6, the nut 5 is screwed on the outer side of the screw rod 4 corresponding to the right.
When in use, the right end of the screw rod 4 is clamped through a fixing tool, the nut 5 is screwed to move the nut 5 leftwards, thereby the screw rod 4 moves rightwards, the support rod 6 is driven to move rightwards, the outer side wall of the support rod 6 is contacted with the inner side wall of the sleeve 2, so that the inner side of the sleeve 2 forms positive pressure, the sleeve 2 is outwards spread to extrude the sealant 3 along with the rightward movement of the support rod 6, so that the outer side of the sleeve 2 and the inner side of the heat exchange tube 1 are sealed by the sealant 3, meanwhile, the sealant 3 seals each gap of the plugging bolt positioned at the inner side of the heat exchange tube 1 under the extrusion action of the support rod 6, thereby sealing and plugging the heat exchange tube 1, when in actual use, the materials of the sleeve 2 and the sealant 3 can be replaced according to the requirements of different plugging environments, the device adapts to the plugging of the heat exchange tube 1 under various environmental conditions, is convenient to operate, and reduces the operation risk and the labor intensity of workers.
The plugging device for the heat exchange tube can be further optimized or/and improved according to actual needs:
as shown in fig. 1, the plugging bolt further comprises a flat washer 7, the inner diameter of which is matched with the outer diameter of the screw rod 4 and which is sleeved on the outer side of the middle part of the screw rod 4.
When the heat exchange tube is used, the outer diameter of the flat washer 7 is larger than that of the heat exchange tube 1, and the left side of the flat washer 7 is sequentially contacted with the heat exchange tube 1 and the right side of the sleeve 2 from outside to inside, so that the flat washer 7 is prevented from moving to the inner side of the heat exchange tube 1 under the action of the nut 5, and the nut 5 is convenient to fix; the flat washer 7 is pressed by moving the nut 5 leftward so that the flat washer 7 is brought into contact with the right side of the heat exchange tube 1 for dispersing the pressure applied to the heat exchange tube 1 by the nut 5, preventing the nut 5 from rotating to damage the right side wall of the heat exchange tube 1.
As shown in fig. 1, the plugging bolt further comprises a spring washer 8, the spring washer 8 is sleeved outside the screw rod 4 corresponding to the position between the flat washer 7 and the nut 5, the left side of the spring washer 8 is in contact with the right side of the flat washer 7, and the right side of the spring washer 8 is in contact with the left side of the nut 5.
Through setting up spring washer 8, be convenient for cushion when nut 5 is twisted, 8 openings of spring washer stagger, and the closed angle of the spring washer 8 that staggers is located the inboard of spiral shell 5 and plain washer 7 respectively, prevents that nut 5 is not hard up.
As shown in fig. 1 and 2, a plurality of cuts 10 which are through from inside to outside and have a leftward opening are uniformly distributed on the left portion of the sleeve 2 along the circumference.
Through setting up incision 10, prevent that 6 external diameters of bracing piece from too big damage sleeve pipe 2, the bracing piece 6 of being convenient for outwards struts and sleeve pipe 2 is sealed 3 extrusion of gluing to sleeve pipe 2, the sealed effect of reinforcing.
As shown in fig. 1, a square rod 9 with a square vertical cross section is fixed at the right end of the screw rod 4.
Through setting up like this, be convenient for fix screw rod 4 with corresponding fixing tool when screwing nut 5, prevent that screw rod 4 from following nut 5 and rotating, the setting of square pole 9 does benefit to and prevents that nut 5 from twisting the corresponding fixing tool of in-process and skidding, the fixed of screw rod 4 of being convenient for.
Above technical feature constitutes the utility model discloses an embodiment, it has stronger adaptability and implements the effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (6)
1. The utility model provides a plugging device for heat exchange tube, its characterized in that includes sealing compound and shutoff bolt, the right part inboard at the heat exchange tube is adorned to the left part outside suit of shutoff bolt, the shutoff bolt includes the sleeve pipe, the bracing piece, screw rod and nut, the screw rod left end is fixed with be coniform and the outside bracing piece that reduces gradually from a left side to the right side, the left part outside cover of screw rod is equipped with the sleeve pipe of left part suit in the bracing piece right part outside, the sleeve pipe is horizontal distribution's hollow structure, the sleeve pipe internal diameter is less than bracing piece left part outside diameter, the screw rod outside spiro union that corresponds sleeve pipe right side position has the nut, it has sealed glue to pour.
2. The plugging device for the heat exchange tube according to claim 1, wherein the plugging bolt further comprises a flat washer having an inner diameter matched with the outer diameter of the screw and sleeved outside the middle part of the screw.
3. The plugging device for the heat exchange tube according to claim 2, wherein the plugging bolt further comprises a spring washer, the spring washer is sleeved outside the screw rod corresponding to the position between the flat washer and the nut, the left side of the spring washer is in contact with the right side of the flat washer, and the right side of the spring washer is in contact with the left side of the nut.
4. The plugging device for the heat exchange tube according to claim 1, 2 or 3, wherein the left portion of the sleeve is uniformly provided with a plurality of cuts which are internally and externally communicated and have leftward openings.
5. The plugging device for the heat exchange tube according to claim 1, 2 or 3, wherein a square rod with a square vertical cross section is fixed at the right end of the screw.
6. The plugging device for the heat exchange tube according to claim 4, wherein a square rod with a square vertical cross section is fixed at the right end of the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021933280.9U CN213396729U (en) | 2020-09-07 | 2020-09-07 | Plugging device for heat exchange tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021933280.9U CN213396729U (en) | 2020-09-07 | 2020-09-07 | Plugging device for heat exchange tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213396729U true CN213396729U (en) | 2021-06-08 |
Family
ID=76214752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021933280.9U Active CN213396729U (en) | 2020-09-07 | 2020-09-07 | Plugging device for heat exchange tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213396729U (en) |
-
2020
- 2020-09-07 CN CN202021933280.9U patent/CN213396729U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 841000 the east side of 218 National Road and the north side of Kuta trunk canal in Korla economic and Technological Development Zone, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Korla Zhongtai Textile Technology Co.,Ltd. Patentee after: Xinjiang Zhongtai Chemical Co., Ltd Address before: 841000 the east side of 218 National Road and the north side of Kuta trunk canal in Korla economic and Technological Development Zone, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee before: Xinjiang Zhongtai Textile Group Co.,Ltd. Patentee before: Xinjiang Zhongtai Chemical Co., Ltd |
|
| CP01 | Change in the name or title of a patent holder |