CN220576263U - Sealing device for observation window of mixer drum cover of concrete mixer - Google Patents
Sealing device for observation window of mixer drum cover of concrete mixer Download PDFInfo
- Publication number
- CN220576263U CN220576263U CN202321919059.1U CN202321919059U CN220576263U CN 220576263 U CN220576263 U CN 220576263U CN 202321919059 U CN202321919059 U CN 202321919059U CN 220576263 U CN220576263 U CN 220576263U
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- sealing
- observation window
- concrete mixer
- connecting part
- observation
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- 238000007789 sealing Methods 0.000 title claims abstract description 108
- 239000000203 mixture Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 14
- 238000005457 optimization Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Landscapes
- Accessories For Mixers (AREA)
Abstract
The utility model relates to the technical field of a mixer drum cover of a concrete mixer, in particular to a mixer drum cover observation window sealing device of the concrete mixer, which comprises a mixer drum cover and an observation window, wherein an observation hole is formed in the mixer drum cover, the edge of the observation hole extends outwards to form an inclined connecting part, an annular sealing part is arranged outside the observation window and is detachably connected with the connecting part, a sealing cavity is arranged inside the connecting part, an exhaust pipe and a pressure measuring assembly are connected to the outer side of the sealing cavity, the connecting part is arranged at the front side of the observation hole, the observation window and the connecting part are in sealing connection through the sealing part, a sealing cavity close to vacuum can be formed in the connecting part, the sealing connection effect of the connecting part and the sealing part is improved, the observation window can be taken down by ventilation in the sealing cavity, overhaul or replacement of the observation window is convenient and rapid to use.
Description
Technical Field
The utility model relates to the technical field of mixer drum covers of concrete mixers, in particular to a sealing device for a mixer drum cover observation window of a concrete mixer.
Background
The stirring barrel covers of the stirring machine are provided with observation windows for observing stirring arms and blades inside the stirring barrel at ordinary times. In the using process, the observation window is in a sealed closing state, and in the concrete stirring process, the inside of the stirring cylinder is in a positive pressure state of dust and water gas diffusion. In general, the observation window cover body is arranged outside the cover body and fixed by the pressing wheel, and the water vapor is difficult to seal due to the positive pressure in the mixing drum, and the sealing effect is poorer as the pressure is larger, and the water vapor can continuously seep along the outer edge of the observation window along with the increase of the opening and closing times of the observation window. And certain pollution is caused to the appearance and the environment of the stirring station. Therefore, a sealing device for the observation window of the mixer drum cover of the concrete mixer needs to be designed, and the sealing effect of the observation window and the mixer drum cover is improved.
For example, the observation window sealing device of the concrete mixer drum cover with the Chinese patent publication number of CN206748727U is used for sealing the observation window into a conical surface, and the observation window is arranged on the inner side of the drum cover, so that the sealing effect between the drum cover and the observation window can be effectively improved. However, when the application is specifically used, the observation window is arranged on the inner side of the cover of the mixing drum, and the inner side diameter of the observation window is larger than the outer side diameter, so that the observation window cannot be taken out outwards through the observation hole, and the observation window is inconvenient to overhaul or replace and has a certain defect.
The technical problem to be solved by the utility model is: the sealing device for the observation window of the mixer drum cover of the concrete mixer is designed, so that the tightness of the observation window and the mixer drum cover is conveniently improved, the observation window is conveniently overhauled and replaced, and the service efficiency of the device is improved.
Disclosure of Invention
In order to solve the problems, the utility model provides a sealing device for a mixer drum cover observation window of a concrete mixer.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a concrete mixer mix barrel head observation window sealing device, includes mix barrel head and observation window, mix barrel head is last to have seted up the observation hole, and the outside extension in edge of observation hole forms the connecting portion of slope, the outside of observation window is equipped with annular sealing portion, and sealing portion can dismantle with the connecting portion and be connected, the inside of connecting portion is equipped with sealed chamber, and sealed chamber's outside is connected with exhaust tube and pressure measurement subassembly.
As optimization, connecting portion is annular, and the outer edge of connecting portion inclines towards the axle center direction of observation hole, connecting portion include two parallel arrangement's connecting plate, and sealed chamber sets up between two connecting plates.
As the optimization, the observation window includes transparent plate and connecting seat, the axis direction that the transparent plate was fixed in the connecting seat, the outside of connecting seat is the conical surface, and sealing is fixed in the outside of conical surface.
As the optimization, the outside and the sealing part of connecting seat are transparent material, sealing part includes first sealing washer and two second sealing washer, and first sealing washer sets up in the outside of connecting portion, and one of them second sealing washer sets up in the inboard of connecting portion, and another second sealing washer sets up in the outside of sealed chamber.
As optimization, a plurality of annular sealing rubber rings are uniformly arranged on one side of the sealing part adjacent to the connecting part, and the width direction of each sealing rubber ring is perpendicular to the outer side surface of the connecting part.
As optimization, the pressure measuring assembly comprises a pressure sensor, the detection end of the pressure sensor is arranged inside the sealing cavity, the outer part of the sealing cavity is connected with a gas release pipe, and the outer end of the gas release pipe is connected with a sealing cover.
Preferably, an operating handle is arranged outside the observation window.
The beneficial effect of this scheme is, a concrete mixer mix drum lid observation window sealing device has following beneficial part:
the front side at the observation hole sets up connecting portion, carries out sealing connection to observation window and connecting portion through sealing portion, and the inside of connecting portion can form the sealed chamber that is close vacuum, improves the sealing connection effect of connecting portion and sealing portion, ventilates to sealed intracavity and can take off the observation window, conveniently overhauls or changes the observation window, convenient to use is swift.
Drawings
Fig. 1 is an isometric view of the present utility model.
FIG. 2 is a schematic diagram of the internal shaft side of the present utility model.
Fig. 3 is a schematic front view of the present utility model.
FIG. 4 is a schematic view of the structure of FIG. 3, cut A-A, according to the present utility model.
Fig. 5 is an enlarged schematic view of the portion a of fig. 4 according to the present utility model.
Fig. 6 is an enlarged schematic view of the portion B of fig. 4 according to the present utility model.
The device comprises a stirring barrel cover, a connecting part, a sealing cavity, an exhaust pipe, a transparent plate, a connecting seat, a first sealing ring, a second sealing ring, a sealing rubber ring, a pressure sensor, a gas discharging pipe, a sealing cover, a sealing handle and an operating handle, wherein the stirring barrel cover is arranged at the bottom of the stirring barrel cover, the connecting part is arranged at the bottom of the stirring barrel cover, the sealing cavity is arranged at the bottom of the stirring barrel cover, the connecting part is arranged at the bottom of the stirring barrel cover, the sealing cover is arranged at the connecting part, the sealing cavity is arranged at the bottom of the stirring barrel cover, the sealing cover is arranged at the connecting part, the sealing cover is arranged at the sealing cover, the sealing cover is arranged at the sealing cover.
Detailed Description
As shown in fig. 1 and 5, the sealing device for the observation window of the mixer drum cover of the concrete mixer comprises a mixer drum cover 1 and an observation window, wherein an observation hole is formed in the mixer drum cover 1, the edge of the observation hole extends outwards to form an inclined connecting part 2, an annular sealing part is arranged outside the observation window, the sealing part is detachably connected with the connecting part 2, a sealing cavity 3 is arranged inside the connecting part 2, and an exhaust pipe 4 and a pressure measuring assembly are connected to the outer side of the sealing cavity 3.
The exhaust pipe 4 is connected with a one-way valve, so that the gas in the sealed cavity 3 can be exhausted outwards along the exhaust pipe 4.
As shown in fig. 5, the connecting portion 2 is annular, the outer edge of the connecting portion 2 is inclined towards the axis direction of the observation hole, the connecting portion 2 includes two parallel connection plates, and the sealing cavity 3 is disposed between the two connection plates. The two connecting plates are arranged in parallel, and one side of the sealing cavity 3 facing the observation hole is an opening.
As shown in fig. 5, the observation window includes a transparent plate 5 and a connection base 6, the transparent plate 5 is fixed in the axial direction of the connection base 6, the outer side of the connection base 6 is a conical surface, and the sealing part is fixed outside the conical surface.
The transparent plate 5 can be a toughened glass plate or an acrylic plate, so that the inner side of the mixing drum cover 1 can be conveniently observed.
As shown in fig. 5 and 6, the outer portion of the connecting seat 6 and the sealing portion are made of transparent materials, the sealing portion includes a first sealing ring 7 and two second sealing rings 8, the first sealing ring 7 is disposed on the outer side of the connecting portion 2, one of the second sealing rings 8 is disposed on the inner side of the connecting portion 2, and the other second sealing ring 8 is disposed on the outer portion of the sealing cavity 3.
The outside of the connection part 2 is sealed by a first seal ring 7, and the inside of the connection part 2 is connected by a second seal ring.
As shown in fig. 5, a plurality of annular sealing rubber rings 9 are uniformly arranged on one side of the sealing part adjacent to the connecting part 2, and the width direction of the sealing rubber rings 9 is perpendicular to the outer side surface of the connecting part 2.
The plurality of sealing rubber rings 9 are all tightly attached to the connecting part 2.
As shown in fig. 6, the pressure measuring assembly comprises a pressure sensor 10, a detection end of the pressure sensor 10 is arranged inside the sealing cavity 3, a gas release pipe 11 is connected to the outside of the sealing cavity 3, and a sealing cover 12 is connected to the outer end of the gas release pipe 11.
As shown in fig. 1, an operation handle 13 is provided outside the observation window.
The scheme also comprises a controller, the position of the controller is set according to actual conditions when working by a worker, and the controller is used for controlling the used electric devices in the scheme, including but not limited to a sensor, a motor, a telescopic rod, a water pump, an electromagnetic valve, an electric heating wire, a heat pump, a display screen, a computer input device, a switch button, a communication device, a lamp, a loudspeaker and a microphone; the controller is an Intel processor, an AMD processor, a PLC controller, an ARM processor or a singlechip, and also comprises a main board, a memory bank, a storage medium and a power supply which is matched with the controller for use, wherein the power supply is a commercial power or a lithium battery; when the display screen is provided, a display card is also provided; regarding the operation principle of the controller, please refer to "automatic control principle", microcontroller principle and application simulation case ", and" sensor principle and application ", other books in the art can be read by reference; other non-mentioned automation control and power utilization devices are well known to those skilled in the art and will not be described in detail herein.
When the device is specifically used, the connecting seat 6 and the connecting part 2 are connected through the first sealing ring 7 and the second sealing ring 8;
when in use, the air suction pipe 4 is connected through the air suction pump or other devices, the air suction pipe 4 is connected with the one-way valve, the air in the sealing cavity 3 is sucked out, the inside of the sealing cavity 3 is in a negative pressure state or a near vacuum state, and the sealing part is tightly connected with the connecting part 2.
When the observation window needs to be overhauled, the sealing cover 12 is opened, so that external air enters the sealing cavity 3 through the air release pipe 11, the negative pressure connection of the connecting part 2 and the sealing part is released, and the observation window can be detached downwards, so that the use is convenient and quick.
The above embodiments are merely specific examples of the present utility model, and the scope of the present utility model includes, but is not limited to, the product forms and styles of the above embodiments, any suitable changes or modifications made by one of ordinary skill in the art, which are consistent with the claims of the present utility model, shall fall within the scope of the present utility model.
Claims (7)
1. The utility model provides a concrete mixer mix cover observation window sealing device, includes mix cover (1) and observation window, its characterized in that: the novel stirrer is characterized in that an observation hole is formed in the stirrer cover (1), the edge of the observation hole extends outwards to form an inclined connecting portion (2), an annular sealing portion is arranged outside the observation hole, the sealing portion is detachably connected with the connecting portion (2), a sealing cavity (3) is formed in the connecting portion (2), and an exhaust tube (4) and a pressure measuring assembly are connected to the outer side of the sealing cavity (3).
2. The concrete mixer bowl cover viewing window seal of claim 1, wherein: the connecting part (2) is annular, the outer edge of the connecting part (2) inclines towards the axis direction of the observation hole, the connecting part (2) comprises two connecting plates which are arranged in parallel, and the sealing cavity (3) is arranged between the two connecting plates.
3. The concrete mixer bowl cover viewing window seal of claim 1, wherein: the observation window comprises a transparent plate (5) and a connecting seat (6), wherein the transparent plate (5) is fixed in the axis direction of the connecting seat (6), the outer side of the connecting seat (6) is a conical surface, and the sealing part is fixed outside the conical surface.
4. A concrete mixer bowl cover viewing window seal assembly as set forth in claim 3 wherein: the outside and the sealing part of connecting seat (6) are transparent material, sealing part includes first sealing washer (7) and two second sealing washer (8), and first sealing washer (7) set up in the outside of connecting portion (2), and one of them second sealing washer (8) set up in the inboard of connecting portion (2), and another second sealing washer (8) set up in the outside of sealed chamber (3).
5. The concrete mixer bowl cover viewing window seal of claim 4 wherein: and a plurality of annular sealing rubber rings (9) are uniformly arranged on one side of the sealing part adjacent to the connecting part (2), and the width direction of each sealing rubber ring (9) is perpendicular to the outer side surface of the connecting part (2).
6. The concrete mixer bowl cover viewing window seal of claim 1, wherein: the pressure measuring assembly comprises a pressure sensor (10), a detection end of the pressure sensor (10) is arranged inside the sealing cavity (3), a gas release pipe (11) is connected to the outside of the sealing cavity (3), and a sealing cover (12) is connected to the outer end of the gas release pipe (11).
7. The concrete mixer bowl cover viewing window seal of claim 1, wherein: an operating handle (13) is arranged outside the observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321919059.1U CN220576263U (en) | 2023-07-20 | 2023-07-20 | Sealing device for observation window of mixer drum cover of concrete mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321919059.1U CN220576263U (en) | 2023-07-20 | 2023-07-20 | Sealing device for observation window of mixer drum cover of concrete mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220576263U true CN220576263U (en) | 2024-03-12 |
Family
ID=90119654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321919059.1U Active CN220576263U (en) | 2023-07-20 | 2023-07-20 | Sealing device for observation window of mixer drum cover of concrete mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220576263U (en) |
-
2023
- 2023-07-20 CN CN202321919059.1U patent/CN220576263U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |