CN212638604U - Pressure-bearing sanitary manhole - Google Patents
Pressure-bearing sanitary manhole Download PDFInfo
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- CN212638604U CN212638604U CN202020762594.0U CN202020762594U CN212638604U CN 212638604 U CN212638604 U CN 212638604U CN 202020762594 U CN202020762594 U CN 202020762594U CN 212638604 U CN212638604 U CN 212638604U
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- manhole cover
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Abstract
The utility model discloses a pressure-bearing sanitary manhole, which comprises a shell ring, a lower flange, an upper flange, a manhole cover and a locking component, wherein the shell ring and the manhole cover are both stainless steel pieces, the shell ring is a cylindrical tubular piece, a hole for an operator to pass through is arranged in the shell ring, the manhole cover and the shell ring are arranged oppositely, the bottom surface of the manhole cover corresponds to the shape and the size of the hole of the shell ring, the lower flange is arranged at the top end of the shell ring and is fixedly connected with the shell ring, the upper flange is fixedly arranged on the peripheral surface of the manhole cover, the lower flange is provided with a lower shaft lug, the upper flange is provided with an upper shaft lug at a position corresponding to the lower shaft lug, the lower shaft lug is hinged with the upper shaft lug through a hinge shaft, and a plurality of groups of locking assemblies are distributed on the shell ring along the peripheral surface at certain intervals, and the upper flange and the lower flange are fastened and connected through the locking assemblies. The utility model discloses a pressure-bearing sanitary manhole, the opening of manhole cover and closed easy and simple to handle, and leakproofness and bearing capacity are stronger.
Description
Technical Field
The utility model relates to a food processing equipment field especially relates to a pressure-bearing sanitary 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 manhole capable of bearing pressure is basically used in the chemical industry, has high manufacturing requirement and rough surface, cannot meet the food sanitation requirement, is very thick, uses more materials, is controlled by using bolts when being opened and closed, and is complex to operate and inconvenient to use. The ordinary pressure manhole can not bear pressure, some equipment in the food and medicine industry needs to keep certain pressure, and the ordinary pressure manhole can not meet the requirements.
Disclosure of Invention
The utility model aims to provide a manhole to current bearing pressure, the preparation requires highly, and can not be used for the food sanitation requirement, and manhole cover thickness, complex operation scheduling problem provides a bearing health manhole.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a pressure-bearing sanitary manhole is characterized in that: the lower flange is fixedly connected with the shell ring, the upper flange is fixedly arranged on the outer peripheral surface of the manhole cover, a lower shaft lug is arranged on the upper flange and corresponds to the lower shaft lug, the lower shaft lug is hinged with the upper shaft lug through a hinge shaft, a sealing ring is arranged between the lower flange and the upper flange, a plurality of groups of locking assemblies are distributed on the shell ring at certain intervals, and the upper flange and the lower flange are fixedly connected through the locking assemblies.
The locking assembly comprises a support lug, a hinge rod, a movable joint bolt, a pressing block and a locking nut, the support lug is fixedly connected with the shell ring, the lower end part of the movable joint bolt is hinged with the support lug through the hinge rod, the pressing block is sleeved on the movable joint bolt, the locking nut is arranged on the movable joint bolt and located above the pressing block, the locking nut is in threaded connection with the movable joint bolt, pressing teeth are arranged on the inner side of the lower end face of the pressing block, grooves corresponding to the pressing teeth are arranged on the upper end face of the upper flange, and the locking nut is screwed after the pressing teeth are combined with the grooves to lock the upper flange and the lower flange.
The lower shaft lug and the upper shaft lug respectively comprise two side arms and a connecting part arranged between the two side arms, hinged shaft holes are formed in the two side arms and are long round holes, the length of the connecting part of the lower shaft lug is larger than that of the connecting part of the upper shaft lug, the two side arms of the upper shaft lug are arranged between the two side arms of the lower shaft lug and are opposite to the hinged shaft holes in the upper shaft lug and the lower shaft lug, a hinged shaft penetrates through the hinged shaft holes in the upper shaft lug and the lower shaft lug and is a cylindrical shaft, the upper shaft lug and the lower shaft lug can rotate relatively, limiting convex strips are arranged on the outer side surface of the connecting part of the lower shaft lug, and the limiting convex strips are matched with the outer side surface of the connecting part of the upper shaft lug to limit the rotating angle of the upper shaft lug relative to the lower shaft lug so as to limit the opening angle of.
The further scheme is that a sealing groove is arranged on the upper end face of the lower flange or the lower end face of the upper flange, the sealing groove is a trapezoidal groove, and a sealing ring is arranged in the sealing groove.
The support lug comprises two side plates and an intermediate connecting block, hinge holes are formed in the two side plates, a hinge rod penetrates through the hinge holes and the loose joint bolt, the loose joint bolt can rotate relative to the support lug, the top end of the intermediate connecting block is slightly higher than the height of the hinge holes, and the downward rotating angle of the loose joint bolt is limited through the intermediate connecting block.
The bottom of the manhole cover is circular, the side face of the manhole cover is cylindrical, the top face of the manhole cover is a raised arc-shaped part, the inside of the manhole cover is solid, the side face of the manhole cover is fixedly connected with the upper flange, and the arc-shaped part is provided with a handle.
The utility model discloses has positive effect: 1) the manhole cover of the pressure-bearing sanitary manhole of the utility model is a solid cover body, has sufficient pressure-bearing capacity, is safe and sanitary, and meets the processing grade requirements of food and medicine; 2) the utility model discloses a pressure-bearing sanitary manhole realizes the swing joint of manhole cover and shell ring through the articulated of upper flange and lower flange, and the hole location of manhole cover and shell ring is accurate, is difficult for taking place the skew, realizes the locking of upper flange and lower flange through multiunit locking Assembly, and the opening and the closed operation of manhole cover are all very simple and convenient; 3) the manhole cover and the shell ring are locked through the plurality of groups of locking assemblies, the locking assemblies are distributed on the shell ring at certain intervals, so that the locking force between the upper flange and the lower flange is more uniform, the locking is firmer, and the sealing performance and the pressure bearing capacity of the closed manhole cover and the shell ring are obviously enhanced through the sealing of the sealing ring.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the present invention.
FIG. 3 is a bottom view of the lower flange;
the reference numerals in the figures are as follows: the pipe joint comprises a pipe section 1, a lower flange 2, a sealing ring 21, a lower shaft lug 22, a side arm 221, a connecting part 222, a limiting convex strip 223, an upper flange 3, an upper shaft lug 31, a manhole cover 4, a handle 41, a locking assembly 5, a support lug 51, a hinge rod 52, a loose joint bolt 53, a pressing block 54, a pressing tooth 541, a locking nut 55 and a hinge shaft 6.
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 to 3, the pressure-bearing sanitary manhole of the present invention includes a shell ring 1, a lower flange 2, an upper flange 3, a manhole cover 4 and a locking assembly 5.
The shell ring 1 is a cylindrical barrel-shaped stainless steel part, and a hole through which an operator passes is formed in the shell ring 1.
Manhole cover 4 is stainless steel spare, and the bottom of manhole cover 4 is circular, and the side of manhole cover 4 is cylindrical, and the top surface of manhole cover 4 is bellied arc portion, and manhole cover 4 is inside solid, is equipped with handle 41 on the arc portion. The manhole cover 4 is arranged opposite to the hole of the shell ring 1, and the bottom surface of the manhole cover 4 corresponds to the shape and the size of the hole of the shell ring 1
The inner walls of the shell ring 1 and the manhole cover 4 are polished, and the outer surfaces of the shell ring and the manhole cover are subjected to wire drawing, so that the required sanitation requirement is met.
The lower flange 2 is a circular ring-shaped piece, the lower flange 2 is arranged at the top end of the shell ring 1, and the lower flange 2 and the shell ring 1 are connected through welding or are integrally formed.
The upper flange 3 is a circular ring-shaped piece, and the upper flange 3 is fixedly welded on the peripheral surface of the manhole cover 4 or the upper flange 3 and the manhole cover 4 are integrally formed.
The upper end face of the lower flange 2 or the lower end face of the upper flange 3 is provided with a sealing groove which is a trapezoidal groove, and a sealing ring 21 is arranged in the sealing groove.
The lower flange 2 is provided with a lower lug 22, the lower lug 22 is welded with the lower flange 2 or integrally formed, the upper flange 3 is provided with an upper lug 31 at a position corresponding to the lower lug 22, the upper lug 31 is welded with the upper flange 3 or integrally formed, and the lower lug 22 is hinged with the upper lug 31 through a hinge shaft 6. The lower lug 22 and the upper lug 31 both comprise two side arms 221 and a connecting part 222 arranged between the two side arms 221, hinged shaft holes are formed in the two side arms 221 and are long round holes, the length of the connecting part 222 of the lower lug 22 is larger than that of the connecting part of the upper lug, the two side arms of the upper lug are arranged between the two side arms of the lower lug and are opposite to the hinged shaft holes in the upper lug and the lower lug, the hinge shaft 6 penetrates through the hinged shaft holes in the upper lug and the lower lug, the hinge shaft 6 is a cylindrical shaft and enables the upper lug 31 and the lower lug 22 to rotate relatively, a limiting convex strip 223 is arranged on the outer side surface of the connecting part 222 of the lower lug 22, and the rotating angle of the upper lug 31 relative to the lower lug 22 is limited through the matching of the limiting convex strip 223 and the outer side surface of the connecting part of the upper lug 31, so that the opening angle of the manhole.
A plurality of groups of locking assemblies 5 are distributed on the shell ring 1 along the peripheral surface at certain intervals, and the upper flange 3 and the lower flange 2 are fastened and connected through the locking assemblies 5. The locking assembly 5 comprises a support lug 51, a hinge rod 52, a movable joint bolt 53, a pressing block 54 and a locking nut 55, the support lug 51 is fixedly connected with the shell ring 1, the lower end part of the movable joint bolt 53 is hinged with the support lug 51 through the hinge rod 52, the pressing block 54 is sleeved on the movable joint bolt 53, the locking nut 55 is arranged on the movable joint bolt 53 and located above the pressing block 54, the locking nut 55 is in threaded connection with the movable joint bolt 53, a pressing tooth 541 is arranged on the inner side of the lower end face of the pressing block 54, a groove corresponding to the pressing tooth 541 is arranged on the upper end face of the upper flange 3, and the locking nut 55 is screwed after the pressing tooth 541 is combined with the groove to lock the upper flange 3 and the lower flange 2. The support lug 51 comprises two side plates and an intermediate connecting block, hinge holes are formed in the two side plates, the hinge rod penetrates through the hinge holes and the loose joint bolt, the loose joint bolt can rotate relative to the support lug, the top end of the intermediate connecting block is slightly higher than the height of the hinge holes, and the downward rotating angle of the loose joint bolt is limited through the intermediate connecting block.
The utility model discloses a pressure-bearing sanitary manhole, when using, shell ring 1 and jar body welded connection, manhole cover 4 is articulated with shell ring 1, and when manhole cover 4 need be closed, pulling handle 41 drives manhole cover 4 and upper flange 3 and rotates, makes manhole cover 4 rotate to with shell ring 1's hole closed, and lower flange 2 is just right mutually with upper flange 3, locks each locking Assembly in proper order. When the locking assembly is locked, the locking nut is loosened, the loose joint bolt 53 is rotated upwards to be in a vertical state, the pressing block 54 reaches the upper part of the upper flange 3, the pressing block 54 is shifted downwards, the pressing teeth 541 of the pressing block 54 are combined with the grooves in the upper flange 3, and the locking nut 55 is screwed down, so that the pressing block 54 tightly presses the upper flange 3. When the manhole cover 4 needs to be opened, the locking assemblies 5 are sequentially opened, when the locking assemblies are opened, the locking nuts 55 are loosened, the pressing block 54 is shifted upwards, the pressing block 54 is separated from the groove in the upper flange 3, the loose joint bolt 53 is rotated downwards to the position of the middle connecting block, and the inclination angle of the loose joint bolt 53 is 30-60 degrees, so that the manhole cover 4 can be opened conveniently. After each locking assembly 5 is opened, the handle 41 is pulled to enable the manhole cover 4 to rotate upwards until the outer side surface of the upper shaft lug 31 rotates to the position of the limiting convex strip 223 on the outer side surface of the lower shaft lug 22, the opening angle is 120-150 degrees, the manhole is completely opened, and an operator can conveniently enter the tank body. The manhole cover of the pressure-bearing sanitary manhole of the utility model is a solid cover body, which has sufficient pressure-bearing capacity; the manhole cover is movably connected with the shell ring through the hinging of the upper flange and the lower flange, the manhole cover and the hole of the shell ring are accurately positioned and are not easy to deviate, the upper flange and the lower flange are locked through a plurality of groups of locking assemblies, and the manhole cover is simple and convenient to open and close; the manhole cover and the shell ring are locked through the plurality of groups of locking assemblies, the locking assemblies are distributed on the shell ring at certain intervals, so that the locking force between the upper flange and the lower flange is more uniform, the locking is firmer, and the sealing performance and the pressure bearing capacity of the closed manhole cover and the shell ring are obviously enhanced through the sealing of the sealing ring.
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 (5)
1. A pressure-bearing sanitary manhole is characterized in that: the lower flange is fixedly connected with the shell ring, the upper flange is fixedly arranged on the outer peripheral surface of the manhole cover, a lower shaft lug is arranged on the upper flange and corresponds to the lower shaft lug, the lower shaft lug is hinged with the upper shaft lug through a hinge shaft, a sealing ring is arranged between the lower flange and the upper flange, a plurality of groups of locking assemblies are distributed on the shell ring along the outer peripheral surface at certain intervals, and the upper flange and the lower flange are fastened and connected through the locking assemblies; the lower shaft lug and the upper shaft lug both comprise two side arms and connecting parts arranged between the two side arms, hinged shaft holes are formed in the two side arms and are long round holes, the length of the connecting part of the lower shaft lug is larger than that of the connecting part of the upper shaft lug, the two side arms of the upper shaft lug are arranged between the two side arms of the lower shaft lug, the hinged shaft holes in the upper shaft lug and the lower shaft lug are opposite, a hinged shaft penetrates through the hinged shaft holes in the upper shaft lug and the lower shaft lug, the hinged shaft is a cylindrical shaft, the upper shaft lug and the lower shaft lug can rotate relatively, limiting convex strips are arranged on the outer side face of the connecting part of the lower shaft lug, the rotating angle of the upper shaft lug relative to the lower shaft lug is limited through the matching of the limiting convex strips and the outer side face of the connecting part of the upper shaft lug.
2. The pressure-bearing sanitary manhole as claimed in claim 1, wherein: the locking assembly comprises a support lug, a hinge rod, a loose joint bolt, a pressing block and a locking nut, the support lug is fixedly connected with the shell ring, the lower end part of the loose joint bolt is hinged to the support lug through the hinge rod, the pressing block is sleeved on the loose joint bolt, the locking nut is arranged on the loose joint bolt and located above the pressing block, the locking nut is in threaded connection with the loose joint bolt, pressing teeth are arranged on the inner side of the lower end face of the pressing block, grooves corresponding to the pressing teeth are formed in the upper end face of the upper flange, and the locking nut is screwed down after the pressing teeth are combined with the grooves to lock the upper flange and the lower flange.
3. The pressure-bearing sanitary manhole as claimed in claim 1, wherein: the upper end face of the lower flange or the lower end face of the upper flange is provided with a sealing groove, the sealing groove is a trapezoidal groove, and a sealing ring is arranged in the sealing groove.
4. Pressure-bearing sanitary manhole according to claim 2, characterized in that: the support lug include both sides board and intermediate junction piece, be equipped with the hinge hole on the board of both sides, the hinge bar passes hinge hole and loose joint bolt, makes loose joint bolt can rotate relative the support lug, the top of intermediate junction piece is a little higher than the height of hinge hole, restricts the angle that loose joint bolt turned down through intermediate junction piece.
5. The pressure-bearing sanitary manhole as claimed in claim 1, wherein: the bottom of the manhole cover is circular, the side face of the manhole cover is cylindrical, the top face of the manhole cover is a raised arc-shaped portion, the inside of the manhole cover is solid, the side face of the manhole cover is fixedly connected with the upper flange, and the arc-shaped portion is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020762594.0U CN212638604U (en) | 2020-05-09 | 2020-05-09 | Pressure-bearing sanitary manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020762594.0U CN212638604U (en) | 2020-05-09 | 2020-05-09 | Pressure-bearing sanitary manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212638604U true CN212638604U (en) | 2021-03-02 |
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ID=74791975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020762594.0U Active CN212638604U (en) | 2020-05-09 | 2020-05-09 | Pressure-bearing sanitary manhole |
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| Country | Link |
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| CN (1) | CN212638604U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042335A (en) * | 2021-12-23 | 2022-02-15 | 安徽安裕洁净流体设备有限公司 | High-automation separation extraction tank |
| CN114192021A (en) * | 2021-12-24 | 2022-03-18 | 安徽松羽工程技术设备有限公司 | High-speed centrifugal degassing dispersion machine |
| CN114225759A (en) * | 2021-12-24 | 2022-03-25 | 安徽松羽工程技术设备有限公司 | Multifunctional separated automatic butt joint lifting movable liquid preparation and storage integrated stirring tank |
-
2020
- 2020-05-09 CN CN202020762594.0U patent/CN212638604U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042335A (en) * | 2021-12-23 | 2022-02-15 | 安徽安裕洁净流体设备有限公司 | High-automation separation extraction tank |
| CN114192021A (en) * | 2021-12-24 | 2022-03-18 | 安徽松羽工程技术设备有限公司 | High-speed centrifugal degassing dispersion machine |
| CN114225759A (en) * | 2021-12-24 | 2022-03-25 | 安徽松羽工程技术设备有限公司 | Multifunctional separated automatic butt joint lifting movable liquid preparation and storage integrated stirring tank |
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