CN216769387U - Boiler handhole door with seal structure - Google Patents
Boiler handhole door with seal structure Download PDFInfo
- Publication number
- CN216769387U CN216769387U CN202220481938.XU CN202220481938U CN216769387U CN 216769387 U CN216769387 U CN 216769387U CN 202220481938 U CN202220481938 U CN 202220481938U CN 216769387 U CN216769387 U CN 216769387U
- Authority
- CN
- China
- Prior art keywords
- hand hole
- sealing
- hole cover
- cover body
- boiler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 238000009434 installation Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a boiler hand hole cover with a sealing structure, which comprises a hand hole cover body and a threaded fixing rod arranged on the hand hole cover body; the hand hole cover is characterized by also comprising a sealing gasket arranged on the hand hole cover body; and the hand hole cover body is provided with a sealing baffle plate and a limiting boss convenient for limiting the hand hole cover body. According to the utility model, through the arrangement of the sealing gasket and the sealing baffle plate, double-layer sealing is formed between the hand hole cover body and the hand hole of the boiler by using the sealing gasket and the sealing baffle plate, so that the sealing property of the hand hole cover body is improved; through the setting of spacing boss, utilize spacing boss with the spacing installation of hand hole lid in the hand hole of boiler, drop to the hand hole when preventing that the hand hole lid from dismantling in, influence subsequent installation.
Description
Technical Field
The utility model relates to the technical field of boiler hand hole covers, in particular to a boiler hand hole cover with a sealing structure.
Background
The header is boiler vaporization system's important component part, the hand hole is as the part of inspection header running state, there is its essential important function, owing to receive the header among the prior art, hand hole self size and dimension limit and external environment influence, the boiler is in service header hand hole leakage condition comparatively serious, and the hand hole also often takes place because of the big sudden leakage of difference in temperature when the boiler just starts in addition, make the boiler need stop production and maintain, cause the influence to production, and outside the hand hole on the boiler can not be taken out to the hand hole lid when dismantling, in the hand hole of easy direct drop to the boiler, thereby influence subsequent installation. To this end, a boiler hand hole cover having a sealing structure is proposed.
Disclosure of Invention
The utility model aims to solve the problems and provides a boiler handhole cover with a sealing structure.
In order to achieve the purpose, the utility model provides the following technical scheme: a boiler hand hole cover with a sealing structure comprises a hand hole cover body and a threaded fixing rod arranged on the hand hole cover body; the hand hole cover is characterized by also comprising a sealing gasket arranged on the hand hole cover body; and the hand hole cover body is provided with a sealing baffle and a limiting boss convenient for limiting the hand hole cover body.
Preferably, the hand hole cover body is provided with a positioning step and a sealing groove; the positioning assembly comprises a plurality of positioning grooves arranged on the positioning steps and positioning bosses which are arranged on the sealing baffle and are matched with the positioning grooves; the sealing gasket is arranged in the sealing groove.
Preferably, a sealing ring is further mounted on the sealing baffle.
The utility model has the beneficial effects that: through the arrangement of the sealing gasket and the sealing baffle plate, double-layer sealing is formed between the hand hole cover body and the hand hole of the boiler by utilizing the sealing gasket and the sealing baffle plate, so that the sealing property of the hand hole cover body is improved;
through the setting of spacing boss, utilize spacing boss with the spacing installation of hand hole lid in the hand hole of boiler, drop to the hand hole when preventing that the hand hole lid from dismantling in, influence subsequent installation.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an enlarged view of a portion of the utility model at a in fig. 2.
Fig. 4 is a schematic view of the hand hole cover installation of the present invention.
Fig. 5 is a left side view of fig. 4 of the present invention.
Illustration of the drawings: 1, a hand hole cover body; 101, fixing a rod by a thread; 2, sealing gaskets; 201 sealing grooves; 3, sealing the baffle; 301 sealing ring; 4, limiting a boss; 5, installing a guide groove; 501 steps.
Detailed Description
The boiler handhole cover with a sealing structure according to the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-2, the boiler hand hole cover with a sealing structure in the present embodiment comprises a hand hole cover body 1 and a threaded fixing rod 2 arranged on the hand hole cover body 1; the hand hole cover is characterized by also comprising a sealing gasket 2 arranged on the hand hole cover body 1; the hand hole cover body 1 is provided with a sealing baffle 3 and a limit boss 4 convenient for limiting the hand hole cover body 1; through the arrangement of the sealing gasket 2 and the sealing baffle 3, double-layer sealing is formed between the hand hole cover body 1 and a hand hole of a boiler, so that the sealing performance of the hand hole cover body 1 is improved; through the setting of spacing boss 4, utilize spacing boss 4 with the spacing installation of hand hole lid 1 in the hand hole of boiler, it is downthehole to prevent that hand hole lid 1 from dropping to the hand when dismantling, influences subsequent installation.
Referring to fig. 1-4, the hand hole cover 1 is further provided with a sealing groove 201; the sealing gasket 2 is arranged in the sealing groove 201; the sealing baffle 3 is also provided with a sealing ring 301; through sealed 2 pair hand hole lid 1 and the boiler hand hole on the sealing washer 301 on the seal baffle 3 and in the seal groove 201 form double-deck sealed to improve the leakproofness between hand hole lid 1 and the boiler hand hole.
Referring to the attached drawings 4-5, in the utility model, firstly, the limiting boss 4 on the hand hole cover body 1 is installed in the installation guide groove 5 in the hand hole of the boiler, the hand hole cover body 1 is installed in the hand hole of the boiler, then the hand hole cover body 1 is rotated, the hand hole cover body 1 drives the limiting boss 4 to rotate so that the limiting boss 4 is limited and installed on the step 501 in the hand hole of the boiler, then a hand hole ring and a pressing plate are sleeved on the hand hole cover body 1, and a fixing nut is installed on a threaded fixing rod 2 on the hand hole cover body to fix the hand hole ring and the pressing plate, so that the hand hole cover body 1 is limited and installed in the hand hole of the boiler, and meanwhile, the sealing gasket 2 and the sealing ring 301 on the sealing baffle 3 are utilized to carry out double-layer sealing between the hand hole cover body 1 and the hand hole of the boiler, so as to improve the sealing performance between the hand hole cover body 1 and the hand hole of the boiler; during the dismantlement, dismantle hand hole ring, clamp plate and fixation nut on the hand hole lid 1, then rotatory hand hole lid 1 makes spacing boss 4 rotatory 5 departments of installation guide way in the boiler hand hole to take out the boiler hand hole with hand hole lid 1 outside along installation guide way 5.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (3)
1. A boiler hand hole cover with a sealing structure comprises a hand hole cover body (1) and a threaded fixing rod (101) arranged on the hand hole cover body (1); it is characterized by also comprising a sealing gasket (2) arranged on the hand hole cover body (1); and a sealing baffle (3) and a limiting boss (4) convenient for limiting the hand hole cover body (1) are arranged on the hand hole cover body (1).
2. The boiler hand hole cover with a sealing structure according to claim 1, wherein: a sealing groove (201) is also arranged on the hand hole cover body (1); the sealing gasket (2) is arranged in the sealing groove (201).
3. The boiler hand hole cover with a sealing structure according to claim 1, wherein: and a sealing ring (301) is further mounted on the sealing baffle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220481938.XU CN216769387U (en) | 2022-03-08 | 2022-03-08 | Boiler handhole door with seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220481938.XU CN216769387U (en) | 2022-03-08 | 2022-03-08 | Boiler handhole door with seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216769387U true CN216769387U (en) | 2022-06-17 |
Family
ID=81959165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220481938.XU Expired - Fee Related CN216769387U (en) | 2022-03-08 | 2022-03-08 | Boiler handhole door with seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216769387U (en) |
-
2022
- 2022-03-08 CN CN202220481938.XU patent/CN216769387U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |