CN212638605U - Normal pressure sanitary manhole with thermal insulation - Google Patents
Normal pressure sanitary manhole with thermal insulation Download PDFInfo
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- CN212638605U CN212638605U CN202020762666.1U CN202020762666U CN212638605U CN 212638605 U CN212638605 U CN 212638605U CN 202020762666 U CN202020762666 U CN 202020762666U CN 212638605 U CN212638605 U CN 212638605U
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- manhole cover
- manhole
- shell ring
- cover
- journal stirrup
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Abstract
The utility model discloses a take heat preservation ordinary pressure sanitary manhole, it includes shell ring and manhole cover, be equipped with the manhole inside the shell ring, the manhole cover sets up the top at the shell ring, shell ring and manhole cover are stainless steel material spare, be equipped with the cavity inside the manhole cover, the cavity intussuseption is filled with the heat preservation, be equipped with the journal stirrup on the outer wall upper portion of shell ring, manhole cover and journal stirrup swing joint, the manhole cover can rotate certain angle with the journal stirrup relatively, make the manhole cover closed or open with the opening at shell ring top, be equipped with outer edge on the terminal surface at shell ring top, be equipped with annular seal groove on outer edge, be equipped with the sealing washer in the seal groove, the sealing washer realizes sealedly with the bottom surface cooperation of manhole cover, the opposite side that lies in the journal stirrup on the outer wall of shell ring is equipped with locking Assembly, make manhole cover and shell ring locking through. The utility model discloses a take heat preservation ordinary pressure sanitary manhole, easy and simple to handle, the manhole cover is difficult for the dislocation with the closed position of shell ring, can improve sealing performance, reduces thermal loss, improves the security.
Description
Technical Field
The utility model relates to a food processing equipment field especially relates to a take heat preservation ordinary pressure manhole.
Background
In food processing, especially the production and processing of dairy products, jellies and other products, fermentation tanks, filling tanks, temporary storage tanks and dosing tanks are generally used. To facilitate clean maintenance, repair or assembly of the interior of the tank, these tanks are often provided with manholes through which an operator can access the interior of the tank. Manholes are generally classified into a normal pressure manhole and a pressurization manhole according to the difference of internal pressure during the use of the tank body.
The existing normal-pressure manhole has poor sealing performance and a rough surface, cannot meet the food sanitation requirement, and the manhole of a tank body needing heat insulation has large heat loss, so that the energy loss is large, and an operator can easily scald hands during operation. The utility model discloses a utility model patent that publication number is CN201764811U discloses "a normal pressure manhole", specifically discloses including the shell ring that has the manhole, the upper portion of shell ring is equipped with the flange, and the flange is equipped with assorted upper cover with it, is equipped with the gasket between upper cover and the flange, and the upper cover passes through the bolt with the flange and fastens mutually. The upper cover is provided with a handle, and the upper cover is provided with two handles in parallel. The disadvantages of this solution are: can only be used for conventional chemical industry, to food and medicine trade, unsatisfied sanitary requirement, the manhole open close use bolt control, complex operation, use inconvenience, the manhole does not have the heat preservation function, and jar internal portion's energy is lost through the manhole easily, causes the energy extravagant, and the surface temperature of manhole cover is higher moreover, causes the scald easily.
Disclosure of Invention
The utility model aims to solve the problems of complex operation, heat preservation, energy waste and scalding, and provides a normal pressure sanitary manhole with heat preservation.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a normal pressure sanitary manhole with heat preservation is characterized in that: it includes shell ring and manhole cover, be equipped with the manhole inside the shell ring, the manhole cover sets up the top at the shell ring, shell ring and manhole cover are stainless steel material spare, be equipped with the cavity inside the manhole cover, the cavity intussuseption is filled with the heat preservation, be equipped with the journal stirrup on the outer wall upper portion of shell ring, manhole cover and journal stirrup swing joint, the manhole cover can rotate certain angle relative to the journal stirrup, make the manhole cover can be closed or open with the opening at shell ring top, be equipped with outer edge on the terminal surface at shell ring top, be equipped with annular seal groove on outer edge, be equipped with the sealing washer in the seal groove, the sealing washer realizes sealedly with the bottom surface cooperation of manhole cover, the opposite side that lies in the journal stirrup on the outer wall of shell ring is equipped with locking Assembly, make manhole cover and shell ring locking.
The manhole cover comprises a cover body and a shaft lug, wherein the shaft lug is fixedly connected to the peripheral surface of the cover body and corresponds to the position of the support lug, and the shaft lug is hinged with the support lug through a hinge shaft.
The bottom of the cover body is circular, the side face of the cover body is cylindrical, the middle of the top face of the cover body is a raised arc-shaped portion, a circular ring-shaped portion is arranged on the outer side of the arc-shaped portion, and the locking assembly is matched with the circular ring-shaped portion to achieve locking of the manhole cover.
The further scheme is that a proximity switch is arranged on the support lug and is arranged below the shaft lug, and whether the manhole cover is closed in place or not is judged through the proximity switch.
The support lug is provided with a limiting groove in the outer side of the hinge shaft, the direction of the notch of the limiting groove is right opposite to the shaft lug, the limiting groove limits the maximum opening angle of the manhole cover, a limiting block is arranged in the limiting groove, and the limiting block supports and limits the shaft lug.
The locking assembly comprises a mounting plate, a hook fixing plate and a handle, the mounting plate is fixedly arranged on the upper portion of the outer wall of the shell ring, the hook fixing plate is eccentrically hinged to the mounting plate, the hook is L-shaped, the lower end of the hook is hinged to the hook fixing plate, the handle is fixedly connected with the hook fixing plate, and the hook is locked by pressing the handle downwards after the clamping end of the hook is clamped with the annular portion of the manhole cover.
The further proposal is that the manhole cover is provided with a handle.
The utility model discloses has positive effect: 1) the constant-pressure sanitary manhole with the heat preservation function of the utility model is characterized in that the shell ring and the manhole cover are made of stainless steel, so as to ensure the sanitary safety of food processing equipment, and the heat preservation layer is filled in the manhole cover, so that the heat loss can be reduced, and the situation that the operating personnel are scalded due to overhigh temperature of the manhole cover can be prevented; 2) the utility model discloses a take heat preservation ordinary pressure sanitary manhole, the manhole cover is articulated with the shell ring, and rethread locking piece is fixed, and is easy and simple to handle, can accomplish the operation fast, and the manhole cover can improve the leakproofness with the difficult dislocation of the closed position of shell ring.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the present invention.
The reference numerals in the figures are as follows: the pipe joint comprises a pipe section 1, an outer edge 11, a sealing ring 12, a manhole cover 2, a cover body 21, a shaft lug 22, a heat insulation layer 23, a handle 24, a support lug 3, a limiting block 31, a proximity switch 32, a hinge shaft 33, a locking component 4, a hook 41, a hook fixing plate 42, a handle 43 and a mounting plate 44.
Detailed Description
The technical solution of the present invention is described in detail and completely by the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the normal pressure sanitary manhole with thermal insulation of the present invention comprises a shell ring 1 and a manhole cover 2.
The shell ring 1 is a cylindrical stainless steel barrel-shaped part, a cavity is arranged inside the shell ring 1, an operator can enter the tank body through the cavity, and equipment in the tank body is maintained, assembled, cleaned and the like.
The upper part of the outer wall of the shell ring 1 is provided with a support lug 3, the support lug 3 is welded with the shell ring 1 or integrally formed, and the support lug 3 comprises a horizontal part extending outwards and an inclined part extending upwards and slantwise towards the outside.
The locking assembly 4 is arranged on one side, opposite to the support lug 3, of the outer wall of the shell ring 1, the locking assembly 4 comprises an installation plate 44, a hook 41, a hook fixing plate 42 and a handle 43, the installation plate 44 is fixedly arranged on the upper portion of the outer wall of the shell ring 1, the hook fixing plate 11 is eccentrically hinged to the installation plate 44, the hook 10 is L-shaped, the lower end of the hook 10 is hinged to the hook fixing plate 11, and the handle 12 is fixedly connected with the hook fixing plate 11.
An outer edge 11 is arranged on the end face of the top of the shell ring 1, an annular sealing groove is arranged on the outer edge 11, and a sealing ring 12 is arranged in the sealing groove.
The support lug 3 is provided with a proximity switch 3, the proximity switch 3 is arranged below the shaft lug 22, and whether the manhole cover 2 is closed in place or not is judged through the proximity switch 3.
The support lug 3 is provided with a limiting groove on the outer side of the hinge shaft 33, the direction of the notch of the limiting groove is opposite to the shaft lug, the limiting groove limits the maximum opening angle of the manhole cover, a limiting block 31 is arranged in the limiting groove, and the limiting block 31 supports and limits the shaft lug 22.
The utility model discloses a take heat preservation ordinary pressure manhole, when using, shell ring 1 passes through the flange or through welded mode and jar body fixed connection, manhole cover 2 is articulated with shell ring 1, when manhole cover 2 is closed to needs, handle 24 on the operating personnel pulling manhole cover 2 makes the opening on manhole cover 2 and the shell ring 1 closed, then combine 41 and the ring shape portion of manhole cover 2 of couple with locking Assembly 4, pulling handle 43 downwards, it tightens up downwards to drive couple 41 through couple fixed plate 42, make manhole cover 2 and shell ring 1 locking, accomplish the closure of manhole cover 2. When the manhole cover needs to be opened, the handle 43 is pulled upwards to release the hook 41 from the manhole cover 2, the handle 24 on the manhole cover 2 is pulled to rotate the manhole cover 2 to leave the opening at the top of the shell ring 1, and the shaft lug 22 is contacted with the limiting block 31 on the supporting lug 3 to completely open the manhole cover 2. In the closing process of the manhole cover 2, whether the manhole cover 2 is closed in place or not is judged through the matching of the proximity switch 32 and the shaft lug 22, when the manhole cover 2 is completely closed, the shaft lug 22 is in contact with the contact of the proximity switch 32, a signal is triggered, if the manhole cover 2 is not closed in place, the shaft lug 22 cannot be in contact with the contact of the contact switch 32, the signal cannot be triggered, and an operator can check the problem of closing of the manhole cover in time. The constant-pressure sanitary manhole with the heat preservation function of the utility model is characterized in that the shell ring 1 and the manhole cover 2 are made of stainless steel, so as to ensure the sanitary safety of food processing equipment, and the heat preservation layer 23 is filled in the manhole cover, so that the heat loss can be reduced, and the situation that the operating personnel are scalded due to overhigh temperature of the manhole cover can be prevented; manhole cover 2 is articulated with shell ring 1, and rethread locking Assembly 4 is fixed, and is easy and simple to handle, can accomplish the operation fast, and manhole cover 2 can improve the leakproofness with the difficult dislocation of shell ring 1's closed position.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a take heat preservation ordinary pressure sanitary manhole which characterized in that: it includes shell ring and manhole cover, be equipped with the manhole inside the shell ring, the manhole cover sets up the top at the shell ring, shell ring and manhole cover are stainless steel material spare, be equipped with the cavity inside the manhole cover, the cavity intussuseption is filled with the heat preservation, be equipped with the journal stirrup on the outer wall upper portion of shell ring, manhole cover and journal stirrup swing joint, the manhole cover can rotate certain angle relative to the journal stirrup, make the manhole cover can be closed or open with the opening at shell ring top, be equipped with outer edge on the terminal surface at shell ring top, be equipped with annular seal groove on outer edge, be equipped with the sealing washer in the seal groove, the sealing washer realizes sealedly with the bottom surface cooperation of manhole cover, the opposite side that lies in the journal stirrup on the outer wall of shell ring is equipped with locking Assembly, make manhole cover and shell ring locking.
2. The constant pressure sanitary manhole with thermal insulation according to claim 1, wherein: the manhole cover comprises a cover body and a shaft lug, wherein the shaft lug is fixedly connected to the outer peripheral surface of the cover body and corresponds to the position of the support lug, and the shaft lug is hinged with the support lug through a hinge shaft.
3. The constant pressure sanitary manhole with thermal insulation according to claim 2, wherein: the manhole cover is characterized in that the bottom of the cover body is circular, the side face of the cover body is cylindrical, the middle of the top face of the cover body is a convex arc-shaped portion, a circular ring-shaped portion is arranged on the outer side of the arc-shaped portion, and the locking assembly is matched with the circular ring-shaped portion to achieve locking of the manhole cover.
4. The constant pressure sanitary manhole with thermal insulation according to claim 2, wherein: the support lug is provided with a proximity switch, the proximity switch is arranged below the shaft lug, and whether the manhole cover is closed in place or not is judged through the proximity switch.
5. The constant pressure sanitary manhole with thermal insulation according to claim 2, wherein: the support lug on, be located the articulated shaft the outside and be equipped with the spacing groove, the notch direction of spacing groove just right with the journal stirrup, through the biggest opening angle of spacing groove restriction manhole cover, be equipped with the stopper at the spacing inslot, the stopper supports spacingly to the journal stirrup.
6. The constant pressure sanitary manhole with thermal insulation according to claim 3, wherein: the locking assembly comprises a mounting plate, a hook fixing plate and a handle, the mounting plate is fixedly arranged on the upper portion of the outer wall of the shell ring, the hook fixing plate is eccentrically hinged to the mounting plate, the hook is L-shaped, the lower end of the hook is hinged to the hook fixing plate, the handle is fixedly connected with the hook fixing plate, and after the clamping end of the hook is clamped with the annular portion of the manhole cover, the handle is pressed downwards to enable the hook to be locked.
7. The constant pressure sanitary manhole with thermal insulation according to claim 1, wherein: the manhole cover is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020762666.1U CN212638605U (en) | 2020-05-09 | 2020-05-09 | Normal pressure sanitary manhole with thermal insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020762666.1U CN212638605U (en) | 2020-05-09 | 2020-05-09 | Normal pressure sanitary manhole with thermal insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212638605U true CN212638605U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020762666.1U Active CN212638605U (en) | 2020-05-09 | 2020-05-09 | Normal pressure sanitary manhole with thermal insulation |
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| CN (1) | CN212638605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404291A (en) * | 2022-09-22 | 2022-11-29 | 广东韶钢松山股份有限公司 | Ignition manhole structure on top of blast furnace |
-
2020
- 2020-05-09 CN CN202020762666.1U patent/CN212638605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404291A (en) * | 2022-09-22 | 2022-11-29 | 广东韶钢松山股份有限公司 | Ignition manhole structure on top of blast furnace |
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