Sealing assembly and power box for electric power engineering

Abstract

The utility model discloses a sealing assembly, which comprises a power box main body, an external corner of the power box main body is fixedly connected with a hinge, the other hinge is fixedly connected with a box door, the box door and the power box main body are mutually hinged through the hinge, and the outer side of the top of the power box main body is fixedly connected with a shielding top. A fixing mechanism is arranged on the inner wall of the box door, a sealing air bag is arranged in the fixing mechanism, the sealing air bag is movably connected with the inner wall of the box door, an air pump is started by pressing a handle to transmit air into the sealing air bag, the size of the sealing air bag is increased, the sealing air bag abuts against a gap between the power box body and the box door, and the sealing purpose is achieved; the sealing air bag can be conveniently fixed or loosened through the opening in the bandage, when the sealing air bag needs to be replaced, the sealing air bag can be conveniently and rapidly replaced, air flow in the sealing air bag is continuously guided into the power box through the nozzle, and auxiliary heat dissipation can be carried out on the interior of the power box body.

Description

Technical Field

[0001] The utility model belongs to the field of sealing components, and in particular relates to a sealing component and a power box for electric power engineering. Background Art

[0002] Power engineering is a project related to the production, transmission and distribution of electric energy. A crucial component is the power box. The power box is a commonly used power equipment, which often has a large number of electronic components inside. The interior of this equipment needs to be kept clean and water-proof, otherwise it will have an adverse effect on the internal electronic components and reduce the service life of the electronic components. Therefore, sealing components are needed to protect the interior of the power box.

[0003] However, the conventional device still has the following problems when used:

[0004] The existing sealing components have a simple structure, and the gap between the power box body and the box door is easily invaded by dust and rain, which enter the distribution box and affect the operation of the internal electrical appliances. In addition, the existing sealing components are not easy to replace after being damaged. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention aims to provide a sealing assembly and a power box for electric power engineering, which have the advantages of fully avoiding the generation of gaps between the power box body and the box door and facilitating the replacement of the sealing assembly.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a sealing assembly, comprising a power box body, a hinge fixedly connected to a positive corner of the power box body, another hinge of the hinge fixedly connected to a box door, the box door and the power box body hingedly connected to each other by a hinge, a shielding top fixedly connected to the outer side of the top of the power box body, a fixing mechanism provided on the inner wall of the box door, a sealing airbag provided inside the fixing mechanism, the sealing airbag being movably connected to the inner wall of the box door, a pressing handle symmetrically installed on the inner wall and outer wall of the box door, a third slot provided on the inner wall of the box door, a support plate fixedly connected to the inner wall of the third slot, an air pump fixedly installed on the top outer wall of the support plate, a starter fixedly connected to the top outer wall of the air pump, the starter being located below the pressing handle, an output end of the air pump fixedly connected to an air duct, an outer wall of the air duct movably connected to a first air nozzle, the first air nozzle being fixedly connected to the inner wall of the sealing airbag, a thread 1 provided on the outer wall of the first air nozzle, and a nut being threadedly connected to the outer wall of the first air nozzle.

[0007] Preferably, the fixing mechanism includes a first slot, a fixing part, a rotating shaft, a power spring, a retaining ring, a second slot, a fixing shaft, a block and a strap, and the first slot and the second slot are both opened on the inner wall of the box door, and the first slot and the second slot are respectively arranged on both sides of the sealing airbag.

[0008] Preferably, the outer wall of the fixing member is fixedly connected to the inner wall of the first slot, the fixing member is provided with a channel connected on both sides, the outer wall of the rotating shaft is movably connected to the inner wall of the channel, the power spring and the retaining ring are respectively located on both sides of the fixing member, one end of the power spring is fixedly connected to the outer wall of the rotating shaft, the inner wall of the retaining ring is fixedly connected to the outer wall of the rotating shaft, and the diameters of the power spring and the retaining ring are larger than the diameter of the channel.

[0009] Preferably, one end of the strap is fixedly connected to the outer wall of the rotating shaft, the other end of the strap is provided with an opening, the strap is wrapped around the outer wall of the rotating shaft, the outer wall of the fixed shaft is movably connected to the inner wall of the opening, the outer wall of one end of the fixed shaft is fixedly connected to the inner wall of the second slot, and the outer wall of the other end of the fixed shaft is fixedly connected to the outer wall of one side of the block.

[0010] Preferably, an electric power box for electric power engineering comprises a sealing assembly as described in any one of the above-mentioned utility models, wherein a second air nozzle is fixedly connected to an inner wall of one side of the sealing air bag, a second thread is provided on an outer wall of the second air nozzle, a connecting pipe is threadedly connected to the outer wall of the second air nozzle, and a nozzle is fixedly connected to the other end of the connecting pipe.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The staff presses the push handle to lock the box door, presses the push handle to contact the starter and squeezes the starter to start the air pump. After the air pump is turned on, the air inside the air pump is transmitted to the inside of the sealing airbag through the air duct. The sealing airbag begins to inflate and its volume increases, sealing the gap between the power box body and the box door to achieve the purpose of sealing.

[0013] 2. The sealed airbag can be fixed by movably connecting the strap to the sealed airbag and movably connecting the opening of the strap to the outer wall of the fixed shaft. Through the expansion and contraction action of the power spring, when the sealed airbag is inflated, the power spring opens, and the strap wrapped around the outer wall of the rotating shaft gradually loosens and stretches to adapt to the volume of the sealed airbag. When the sealed airbag is deflated, the power spring begins to shrink, and the rotating shaft begins to rotate. The excess length of the strap is wrapped around the outer wall of the rotating shaft to adapt to the volume of the sealed airbag, thereby achieving the purpose of changing the usable length of the strap with the change of the volume of the sealed airbag and always stably fixing the sealed airbag. Through the opening on the strap, it is convenient to put the strap on the outer wall of the fixed shaft to fix the sealed airbag, or remove the strap from the fixed shaft to loosen the sealed airbag. When the sealed airbag needs to be replaced, the sealed airbag can be replaced conveniently and quickly.

[0014] 3. The airflow in the sealed airbag is continuously conducted to the interior of the power box through the nozzle, which can assist in heat dissipation inside the power box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the structure at center A;

[0017] Figure 3 for Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0018] Figure 4 It is a side view of the utility model;

[0019] Figure 5 This is a schematic diagram of the upper structure of the utility model;

[0020] Figure 6 This is a schematic diagram of the front lower structure of the utility model;

[0021] Figure 7 This is a schematic diagram of the cross-sectional structure of the utility model.

[0022] In the figure: 1. Power box body; 2. Box door; 3. Shielding top; 4. Hinge; 5. First slot; 6. Fixing piece; 7. Rotating shaft; 8. Power spring; 9. Retaining ring; 10. Second slot; 11. Fixed shaft; 12. Block; 13. Strap; 14. Sealing airbag; 15. Third slot; 16. Support plate; 17. Air pump; 18. Starter; 19. Air guide tube; 20. First air nozzle; 21. Press handle; 22. Nozzle; 23. Connecting pipe; 24. Nut; 25. Second air nozzle. DETAILED DESCRIPTION

[0023] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] For the purpose of simplicity and illustration, the principles of the embodiments are described primarily with reference to examples. In the following description, many specific details are provided to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily obscuring the understanding of these embodiments. In addition, all embodiments may be used in combination with each other.

[0027] Example 1

[0028] See also Figure 1-7The utility model provides a technical solution: a sealing assembly, including a power box body 1, a hinge 4 is fixedly connected to the outer corner of the power box body 1, the other hinge of the hinge 4 is fixedly connected to the box door 2, the box door 2 and the power box body 1 are hinged to each other through the hinge 4, the top outer side of the power box body 1 is fixedly connected to the shielding top 3, the inner wall of the box door 2 is provided with a fixing mechanism, the interior of the fixing mechanism is provided with a sealing airbag 14, the sealing airbag 14 is movably connected to the inner wall of the box door 2, the inner and outer walls of the box door 2 are symmetrically installed with a pressing handle 21, the inner wall of the box door 2 A third slot 15 is provided, and a support plate 16 is fixedly connected to the inner wall of the third slot 15. An air pump 17 is fixedly installed on the top outer wall of the support plate 16. A starter 18 is fixedly connected to the top outer wall of the air pump 17. The starter 18 is located below the pressing handle 21. The output end of the air pump 17 is fixedly connected to an air guide tube 19. The outer wall of the air guide tube 19 is movably connected to a first air nozzle 20. The first air nozzle 20 is fixedly connected to the inner wall of the sealing airbag 14. The outer wall of the first air nozzle 20 is provided with a thread 1, and the outer wall of the first air nozzle 20 is threadedly connected to a nut 24.

[0029] When the staff presses the pressing handle 21 to lock the box door 2, the pressing handle 21 contacts the starter 18 and squeezes the starter 18, thereby starting the air pump 17. After the air pump 17 is turned on, the air inside the air pump 17 is transferred to the inside of the sealing airbag 14 through the air guide tube 19. The sealing airbag 14 begins to inflate and its volume increases, sealing the gap between the power box body 1 and the box door 2, thereby achieving the purpose of sealing.

[0030] Example 2

[0031] On the basis of embodiment 1, the fixing mechanism includes a first slot 5, a fixing member 6, a rotating shaft 7, a power spring 8, a retaining ring 9, a second slot 10, a fixing shaft 11, a stopper 12 and a strap 13. The first slot 5 and the second slot 10 are both opened on the inner wall of the box door 2. The first slot 5 and the second slot 10 are respectively arranged on both sides of the sealing airbag 14. The outer wall of the fixing member 6 is fixedly connected to the inner wall of the first slot 5. The fixing member 6 is provided with a channel connected on both sides. The outer wall of the rotating shaft 7 is movably connected to the inner wall of the channel. The power spring 8 and the retaining ring 9 are respectively located on the fixed On both sides of the fixed piece 6, one end of the power spring 8 is fixedly connected to the outer wall of the rotating shaft 7, the inner wall of the retaining ring 9 is fixedly connected to the outer wall of the rotating shaft 7, the diameters of the power spring 8 and the retaining ring 9 are larger than the diameter of the channel, one end of the strap 13 is fixedly connected to the outer wall of the rotating shaft 7, the strap 13 is wrapped around the outer wall of the rotating shaft 7, the other end of the strap 13 is provided with an opening, the outer wall of the fixed shaft 11 is movably connected to the inner wall of the opening, the outer wall of one end of the fixed shaft 11 is fixedly connected to the inner wall of the second slot 10, and the outer wall of the other end of the fixed shaft 11 is fixedly connected to the outer wall of one side of the stopper 12.

[0032] By movably connecting the strap 13 with the sealing airbag 14 and movably connecting the opening of the strap 13 to the outer wall of the fixed shaft 11, the block 12 blocks the strap 13, and the sealing airbag 14 can be fixed. Through the expansion and contraction of the power spring 8, when the sealing airbag 14 is inflated and bulged, the power spring 8 opens, and the strap 13 wrapped around the outer wall of the rotating shaft 7 gradually loosens and stretches to adapt to the volume of the sealing airbag 14. When the sealing airbag 14 is deflated, the power spring 8 begins to contract, and the rotating shaft 7 begins to rotate, and the excess length of the strap is released. The belt 13 is wrapped around the outer wall of the rotating shaft 7 to adapt to the volume of the sealing airbag 14, so that the usable length of the belt 13 changes with the change of the volume of the sealing airbag 14, and the sealing airbag 14 is always stably fixed. Through the opening on the belt 13, it is convenient to put the belt 13 on the outer wall of the fixed shaft 11 to fix the sealing airbag 14, or remove the belt 13 from the fixed shaft 11 to loosen the sealing airbag 14. When the sealing airbag 14 needs to be replaced, the sealing airbag 14 can be replaced conveniently and quickly.

[0033] Example 3

[0034] On the basis of the second embodiment, an electric power box for electric power engineering includes a sealing assembly according to any one of the above specific embodiments, wherein a second air nozzle 25 is fixedly connected to an inner wall of one side of the sealing air bag 14, and a second thread is provided on an outer wall of the second air nozzle 25, and a connecting pipe 23 is threadedly connected to the outer wall of the second air nozzle 25, and a nozzle 22 is fixedly connected to the other end of the connecting pipe 23.

[0035] Air is continuously taken into the sealed airbag 14 , and the airflow in the sealed airbag 14 is continuously conducted to the interior of the power box 1 through the nozzle 22 , which can assist in heat dissipation inside the power box body 1 .

[0036] The working principle and usage process of the present invention are as follows: when the staff presses the pressing handle 21 to lock the box door 2, the pressing handle 21 contacts the starter 18 and squeezes the starter 18, thereby starting the air pump 17. After the air pump 17 is turned on, the air inside the air pump 17 is transmitted to the inside of the sealing airbag 14 through the air guide tube 19. The sealing airbag 14 begins to inflate and its volume increases, sealing the gap between the power box body 1 and the box door 2 to achieve the purpose of sealing. The sealing airbag 14 can be fixed by movably connecting the strap 13 with the sealing airbag 14 and movably connecting the opening of the strap 13 to the outer wall of the fixed shaft 11. Through the telescopic effect of the power spring 8, when the sealing airbag 14 is inflated and bulged, the power spring 8 opens, and the strap 13 wrapped around the outer wall of the rotating shaft 7 gradually loosens and stretches to adapt to the sealing airbag. The volume of the bag 14. When the sealing airbag 14 is deflated, the power spring 8 begins to shrink, the rotating shaft 7 begins to rotate, and the excess length of the strap 13 is wrapped around the outer wall of the rotating shaft 7 to adapt to the volume of the sealing airbag 14, so that the usable length of the strap 13 changes with the change of the volume of the sealing airbag 14, and the purpose of always stably fixing the sealing airbag 14 is achieved. Through the opening on the strap 13, it is convenient to put the strap 13 on the outer wall of the fixed shaft 11 to fix the sealing airbag 14, or remove the strap 13 from the fixed shaft 11 to loosen the sealing airbag 14. When the sealing airbag 14 needs to be replaced, the sealing airbag 14 can be replaced quickly and conveniently. The airflow in the sealing airbag 14 is continuously guided to the inside of the power box 1 through the nozzle 22, which can assist in heat dissipation inside the power box body 1.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing assembly, comprising a power box body (1), characterized in that: The outer corner of the power box body (1) is fixedly connected to a hinge (4), the other hinge of the hinge (4) is fixedly connected to a box door (2), the box door (2) and the power box body (1) are hinged to each other via the hinge (4), the top outer side of the power box body (1) is fixedly connected to a shielding top (3), the inner wall of the box door (2) is provided with a fixing mechanism, the interior of the fixing mechanism is provided with a sealing airbag (14), the sealing airbag (14) is movably connected to the inner wall of the box door (2), the inner wall and the outer wall of the box door (2) are symmetrically provided with a pressing handle (21), the inner wall of the box door (2) is provided with a third slot (15), the third slot (15) is provided on the inner wall of the box door (2), and the third slot (15) is provided on the inner wall of the box door (2). The inner wall of the groove (15) is fixedly connected to a support plate (16), the top outer wall of the support plate (16) is fixedly installed with an air pump (17), the top outer wall of the air pump (17) is fixedly connected to a starter (18), the starter (18) is located below the pressing handle (21), the output end of the air pump (17) is fixedly connected to an air guide tube (19), the outer wall of the air guide tube (19) is movably connected to a first air nozzle (20), the first air nozzle (20) is fixedly connected to the inner wall of the sealing airbag (14), the outer wall of the first air nozzle (20) is provided with a thread, and the outer wall of the first air nozzle (20) is threadedly connected to a nut (24).

2. A sealing assembly according to claim 1, characterized in that: The fixing mechanism comprises a first slot (5), a fixing member (6), a rotating shaft (7), a power spring (8), a retaining ring (9), a second slot (10), a fixing shaft (11), a retaining block (12) and a binding belt (13); the first slot (5) and the second slot (10) are both formed on the inner wall of the door (2); and the first slot (5) and the second slot (10) are respectively located on two sides of the sealing airbag (14).

3. A sealing assembly according to claim 2, characterized in that: The outer wall of the fixing member (6) is fixedly connected to the inner wall of the first slot (5); the fixing member (6) is provided with a channel connected on both sides; the outer wall of the rotating shaft (7) is movably connected to the inner wall of the channel; the power spring (8) and the retaining ring (9) are respectively arranged on both sides of the fixing member (6); one end of the power spring (8) is fixedly connected to the outer wall of the rotating shaft (7); the inner wall of the retaining ring (9) is fixedly connected to the outer wall of the rotating shaft (7); and the diameters of the power spring (8) and the retaining ring (9) are larger than the diameter of the channel.

4. A sealing assembly according to claim 3, characterized in that: One end of the binding strap (13) is fixedly connected to the outer wall of the rotating shaft (7), the binding strap (13) is wound around the outer wall of the rotating shaft (7), the other end of the binding strap (13) is provided with an opening, the outer wall of the fixed shaft (11) is movably connected to the inner wall of the opening, the outer wall of one end of the fixed shaft (11) is fixedly connected to the inner wall of the second slot (10), and the outer wall of the other end of the fixed shaft (11) is fixedly connected to the outer wall of one side of the stopper (12).

5. A power box for electric power engineering, comprising the sealing assembly according to any one of claims 1 to 4, characterized in that: A second air nozzle (25) is fixedly connected to an inner wall of one side of the sealing airbag (14); a second thread is provided on an outer wall of the second air nozzle (25); a connecting pipe (23) is threadedly connected to the outer wall of the second air nozzle (25); and a nozzle (22) is fixedly connected to the other end of the connecting pipe (23).

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