CN212291330U - Circular access hole cover plate of reservoir - Google Patents
Circular access hole cover plate of reservoir Download PDFInfo
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- CN212291330U CN212291330U CN202020577926.8U CN202020577926U CN212291330U CN 212291330 U CN212291330 U CN 212291330U CN 202020577926 U CN202020577926 U CN 202020577926U CN 212291330 U CN212291330 U CN 212291330U
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- connecting plate
- reservoir
- nut
- inlet
- top cover
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Abstract
The utility model discloses in designed a circular access hole apron of reservoir, a serial communication port, include: the utility model provides a circular access hole apron of reservoir which characterized in that includes: connecting device, top cap, fixing device, connecting device and reservoir wallboard fixed connection, the top cap with connecting device is articulated, follows top cap a week is equipped with the fixed slot, fixing device with the fixed slot cooperatees, when opening the apron, only need unscrew eyenut, upwards push up the apron to top cap and connecting device articulated department be the hub rotation open can, the utility model discloses simple structure need not to dismantle the top cap during the use, and is convenient laborsaving.
Description
Technical Field
The utility model relates to an access hole apron technical field especially relates to a circular access hole apron of reservoir.
Background
The liquid storage tank is widely applied to the production industry, the liquid storage tank is provided with the access hole, when the inside of the liquid storage tank breaks down, the access hole of the liquid storage tank is opened to be maintained through the access hole, and when the liquid storage tank works normally, the access hole is closed. Among the prior art, the enclosed construction of access hole comprises apron and bottom plate, and bottom plate fixed connection is on the reservoir wallboard, through bolted connection between apron and the bottom plate, twists the bolt off during maintenance at every turn, pulls down the access hole apron, just can open the access hole, very consumes manpower and time, and along with the number of times increase of opening repeatedly simultaneously, the smooth silk phenomenon also can appear in the screw hole, therefore has to change the bottom plate, has improved cost of maintenance.
SUMMERY OF THE UTILITY MODEL
To the problem, an object of the utility model is to provide a circular access hole apron of reservoir.
The utility model provides a technical scheme that relevant technical problem adopted is: the utility model provides a circular access hole apron of reservoir which characterized in that includes: the liquid storage tank wall plate fixing device comprises a connecting device, a top cover and a fixing device, wherein the connecting device is fixedly connected with a liquid storage tank wall plate, the top cover is hinged to the connecting device, a fixing groove is formed in the periphery of the top cover, and the fixing device is matched with the fixing groove.
Furthermore, the connecting device comprises a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate is fixedly connected with the liquid storage tank wall plate, one end of the second connecting plate is hinged to the first connecting plate through a first pin shaft, and the other end of the second connecting plate is hinged to the third connecting plate through a first pin shaft.
Furthermore, top cap one end is equipped with the arch, the arch through second round pin axle with the third connecting plate is articulated, the top cap upper surface is equipped with the handle.
Further, the fixed slot is formed by connecting an inlet with a circular opening, the inlet is a notch arranged at the edge of the top cover, the circular opening is arranged at the inner side of the inlet, and the width of the inlet is smaller than the diameter of the circular opening.
Further, the fixing device comprises a fourth connecting plate, a nut and a screw rod, the fourth connecting plate is fixedly connected to the liquid storage tank wall plate, the screw rod is hinged to the fourth connecting plate through a third pin shaft, the nut is matched with the screw rod, the diameter of the screw rod is smaller than the width of the inlet, the diameter of the nut is larger than the width of the inlet, and the diameter of the nut is smaller than the diameter of the circular opening.
Further, the nut is a lifting ring nut.
The utility model has the advantages that:
the utility model discloses in designed a circular access hole apron of reservoir, include: connecting device, top cap, fixing device include the fourth connecting plate, with fourth connecting plate articulated bolt and eye nut, the top cap is articulated with connecting device, when opening the apron, only need unscrew eye nut, upwards push up the apron to top cap and connecting device articulated department be the rotation of axle open can. The utility model discloses simple structure need not to dismantle the top cap during use, and is convenient laborsaving to it is fixed with the nut through the screw rod, avoided seting up the screw hole, screw rod and nut intensity are high, and often dismantlement also can not produce smooth silk phenomenon, even there is the damage, changes also simple relatively, has saved material cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a side view of a circular manhole cover plate of a liquid storage tank of the present invention;
fig. 2 is a top view of a circular manhole cover plate of a liquid storage tank of the present invention;
wherein:
1. a first pin shaft; 2. a pin shaft pipe sleeve; 3. a first connecting plate; 4. a second connecting plate; 5. a third connecting plate; 6. a second pin shaft; 7. a handle; 8. a top cover; 9. a lifting eye nut; 10. a screw; 11. a third pin shaft; 12. a fourth connecting plate; 13. fixing grooves; 14. a protrusion; 15. a reservoir wall plate; 131. an inlet; 132. a circular opening;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A circular manhole cover plate for a liquid storage tank as shown in fig. 1 and 2, comprising: the utility model provides a circular access hole apron of reservoir which characterized in that includes: connecting device, top cap 8, fixing device, connecting device and reservoir wallboard 15 fixed connection, top cap 8 with connecting device is articulated, follows 8 a week of top cap is equipped with fixed slot 13, fixing device with fixed slot 13 cooperatees.
The connecting device comprises a first connecting plate 3, a second connecting plate 4 and a third connecting plate 5, the first connecting plate 3 is fixedly connected with the liquid storage tank wall plate 15, one end of the second connecting plate 4 is hinged to the first connecting plate 3 through a first pin shaft 1, and the other end of the second connecting plate is hinged to the third connecting plate 5 through a first pin shaft 1.
The top cover 8 one end is equipped with arch 14, arch 14 through second round pin axle 6 with third connecting plate 5 is articulated, top cover 8 upper surface is equipped with handle 7.
The fixing groove 13 is formed by connecting an inlet 131 with a circular opening 132, the inlet 131 is a gap arranged at the edge of the top cover 8, the circular opening 132 is arranged at the inner side of the inlet 131, and the width of the inlet 131 is smaller than the diameter of the circular opening 132.
The fixing device comprises a fourth connecting plate 12, a nut and a screw rod 10, the nut is a lifting ring nut 9, the fourth connecting plate 12 is fixedly connected onto the liquid storage tank wall plate 15, the screw rod 10 is hinged to the fourth connecting plate 12 through a third pin shaft 11, the nut is matched with the screw rod 10, the diameter of the screw rod 10 is smaller than the width of the inlet 131, the diameter of the nut is larger than the width of the inlet 131, and the diameter of the nut is smaller than the diameter of the circular opening 132.
Working mode
When the cover plate needs to be opened for maintenance work, firstly, the lifting ring nut 9 is unscrewed, then the screw rod 10 hinged with the fourth connecting plate 12 is outwards rotated through the inlet 131 by taking the hinged position of the screw rod and the hinged position of the screw rod as an axis through the circular opening 132, the fixing groove 13 is moved out, then the top cover 8 is pushed up to the connecting device, the second connecting plate 4 is rotated to the vertical state from the inclined state, the top cover 8 and the maintenance hole are separated by a distance, finally, the top cover 8 is rotated by taking the second pin shaft 6 as a rotating shaft, the maintenance hole is completely exposed, and maintenance work is carried out.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a circular access hole apron of reservoir which characterized in that includes: the liquid storage tank wall plate fixing device comprises a connecting device, a top cover and a fixing device, wherein the connecting device is fixedly connected with a liquid storage tank wall plate, the top cover is hinged to the connecting device, a fixing groove is formed in the periphery of the top cover, and the fixing device is matched with the fixing groove.
2. A circular access panel for a reservoir, as defined in claim 1, wherein: the connecting device comprises a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate is fixedly connected with the liquid storage tank wall plate, one end of the second connecting plate is hinged to the first connecting plate through a first pin shaft, and the other end of the second connecting plate is hinged to the third connecting plate through a first pin shaft.
3. A circular access panel for a reservoir, as claimed in claim 2, wherein: the top cover is characterized in that a protrusion is arranged at one end of the top cover and hinged to the third connecting plate through a second pin shaft, and a handle is arranged on the upper surface of the top cover.
4. A circular access panel for a reservoir, as defined in claim 1, wherein: the fixing groove is formed by connecting an inlet with a circular opening, the inlet is a notch arranged at the edge of the top cover, the circular opening is arranged on the inner side of the inlet, and the width of the inlet is smaller than the diameter of the circular opening.
5. A circular access panel for a reservoir, as claimed in claim 4, wherein: the fixing device comprises a fourth connecting plate, a nut and a screw rod, the fourth connecting plate is fixedly connected to the liquid storage tank wall plate, the screw rod is hinged to the fourth connecting plate through a third pin shaft, the nut is matched with the screw rod, the diameter of the screw rod is smaller than the width of the inlet, the diameter of the nut is larger than the width of the inlet, and the diameter of the nut is smaller than the diameter of the circular opening.
6. A circular access panel for a reservoir according to claim 5 wherein: the nut is a lifting ring nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577926.8U CN212291330U (en) | 2020-04-17 | 2020-04-17 | Circular access hole cover plate of reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577926.8U CN212291330U (en) | 2020-04-17 | 2020-04-17 | Circular access hole cover plate of reservoir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212291330U true CN212291330U (en) | 2021-01-05 |
Family
ID=73974383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020577926.8U Active CN212291330U (en) | 2020-04-17 | 2020-04-17 | Circular access hole cover plate of reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212291330U (en) |
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2020
- 2020-04-17 CN CN202020577926.8U patent/CN212291330U/en active Active
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