CN221353847U - Sealing structure for cable outlet hole of electric device - Google Patents
Sealing structure for cable outlet hole of electric device Download PDFInfo
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- CN221353847U CN221353847U CN202421391689.0U CN202421391689U CN221353847U CN 221353847 U CN221353847 U CN 221353847U CN 202421391689 U CN202421391689 U CN 202421391689U CN 221353847 U CN221353847 U CN 221353847U
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- sealing ring
- rubber sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 128
- 229920001971 elastomer Polymers 0.000 claims abstract description 76
- 239000004020 conductor Substances 0.000 claims description 5
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000565 sealant Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the technical field of cable sealing, and particularly relates to a cable outlet hole sealing structure of an electric device. The inner rubber sealing ring, the inner expansion pipe and the outer expansion pipe are arranged in a frustum shape, and the outer expansion pipe is expanded in a mode that the inner and outer spiral pipes are screwed into the outer expansion pipe, so that the outer wall of the outer rubber sealing ring is extruded to be tightly attached to the wall of the cable perforation, and the sealing effect on the cable perforation position is realized; when the inner and outer spiral pipes are screwed into the outer expansion pipe, the inner expansion pipe is arranged at the outer opening of the inner and outer spiral pipes, and the inner expansion pipe is automatically screwed into the inner and outer spiral pipes along with the rotation of the inner and outer spiral pipes, so that the outer end of the inner expansion pipe is compressed, the inner expansion pipe extrudes the inner rubber sealing ring, and the inner rubber sealing ring is tightly attached to the side wall of the cable, so that the sealing effect on the cable part is realized.
Description
Technical Field
The utility model belongs to the technical field of cable sealing, and particularly relates to a sealing structure for a cable outlet hole of an electric device.
Background
The electrical signal generated by the internal circuit and the element of the outdoor electric device is required to be output through the cable, the cable is led out through the outlet hole on the shell of the electric device, and the cable outlet hole is easy to be immersed by outdoor water vapor, so that the internal circuit element is damaged, the electric device is disabled or the use precision of the electric device is reduced, and the service life and the service period of the electric device are influenced, therefore, the sealing of the cable outlet hole of the electric device is very important.
The common cable outlet hole sealing method is to seal the periphery of the cable outlet hole by using cable sealant or silica gel, so that the sealant is filled in place and can be completely waterproof and dustproof, or to seal the periphery of the cable outlet hole by using a special cable sealing piece or sealing sleeve, so that the periphery of the cable outlet hole is well sealed, however, the cable sealant or silica gel needs to be manually smeared, the manual operation precision is not high, the sealing performance of the cable outlet hole is affected, the existing cable sealing piece or sealing sleeve is tightly attached to the hole wall of the cable outlet hole by longitudinally extruding the rubber sealing piece, and the sealing piece is suitable for the pipe diameter of a cable by stripping the rubber layer in the center, however, the sealing performance between the cable sealing piece and the hole wall of the cable outlet hole is ensured by adopting the mode, and a gap possibly exists between the cable pipe fitting and the rubber layer, so that the sealing effect is poor.
Therefore, it is necessary to provide a sealing structure for cable outlet holes of an electrical device, so as to solve the problems existing in the sealing work of the cable outlet holes.
Disclosure of utility model
The utility model provides a cable outlet hole sealing structure of an electric device, which aims to solve the defects in the prior art, wherein an inner rubber sealing ring, an inner expansion pipe and an outer expansion pipe are arranged in a frustum shape, and the outer expansion pipe is expanded in a way of screwing the inner and outer spiral pipes into the outer expansion pipe, so that the outer wall of the outer rubber sealing ring is extruded and tightly attached to the hole wall of a cable perforation, and the sealing effect on the cable perforation position is realized; when the inner and outer spiral pipes are screwed into the outer expansion pipe, the inner expansion pipe is arranged at the outer opening of the inner and outer spiral pipes, and the inner expansion pipe is automatically screwed into the inner and outer spiral pipes along with the rotation of the inner and outer spiral pipes, so that the outer end of the inner expansion pipe is compressed, the inner expansion pipe extrudes the inner rubber sealing ring, and the inner rubber sealing ring is tightly attached to the side wall of the cable, so that the sealing effect on the cable part is realized.
The technical scheme adopted by the utility model is as follows: the utility model provides an electric device cable wire hole seal structure, including cable conductor and electrical equipment, the cable conductor runs through the electrical equipment setting, the lateral wall cover of cable conductor is equipped with interior rubber seal, the fixed interior expansion pipe that is equipped with around the lateral wall of interior rubber seal, the lateral wall cover of interior expansion pipe is equipped with interior solenoid, the lateral wall cover of interior solenoid is equipped with outer expansion pipe, the lateral wall of outer expansion pipe is fixed around being equipped with outer rubber seal, the lateral wall of electrical equipment is located to the embedded locating of outer rubber seal.
Further, the inner rubber sealing ring comprises an inner sealing half ring which is symmetrically arranged, the inner expansion pipe comprises an inner expansion half pipe which is symmetrically arranged, the inner expansion half pipe is fixedly arranged on the outer wall of the inner sealing half ring in a surrounding mode, inner expansion threads are arranged on the outer wall of the inner expansion half pipe, and when the inner expansion half pipes are symmetrically combined into a whole, the inner expansion threads are formed into complete threads.
Further, the inner half-screw tube and the outer half-screw tube are symmetrically arranged, outer limiting threads are arranged on the outer side walls of the inner half-screw tube and the outer half-screw tube, inner limiting threads are arranged on the inner side walls of the inner half-screw tube and the outer half-screw tube, when the inner half-screw tube and the outer half-screw tube are symmetrically combined into a whole, the outer limiting threads and the inner limiting threads are respectively formed into complete threads, and the inner expanding threads are meshed with the inner limiting threads.
Further, the outer expansion pipe comprises outer expansion half pipes which are symmetrically arranged, the inner side walls of the outer expansion half pipes are provided with outer expansion threads, when the outer expansion half pipes which are symmetrically arranged are combined into a whole, the outer expansion threads are formed into complete thread lines, and the outer expansion threads are meshed with the outer limiting threads;
The outer rubber sealing ring comprises outer sealing half rings which are symmetrically arranged, and the outer sealing half rings are fixedly arranged on the outer side wall of the outer expansion half pipe in a surrounding mode.
Further, the outer end of inside and outside half solenoid is fixed and is equipped with the rotary disk, the lateral wall middle part of rotary disk is equipped with the rotation handle, and is symmetrical evenly be equipped with draw-in groove and fixture block on the lateral wall that inside and outside half solenoid is laminated each other respectively, draw-in groove and fixture block correspond the block setting, and draw-in groove and fixture block can guarantee that inside and outside half solenoid merge structural firm as an organic whole.
Further, a cable perforation is formed in the surface of the electrical equipment, the cable penetrates through the cable perforation, the outer rubber sealing ring is clamped in the cable perforation, and the diameter of the outer rubber sealing ring is slightly smaller than the aperture of the cable perforation;
The inner rubber sealing ring, the inner expansion pipe and the outer expansion pipe are arranged in a frustum shape, the pipe diameters of the inner expansion pipe and the outer expansion pipe are arranged from outside to inside from large to small, the outer diameter of one end of the inner expansion pipe, which is close to the inner spiral pipe and the outer spiral pipe, is the same as the inner diameter of the inner spiral pipe and the outer spiral pipe, and the inner diameter of one end of the outer expansion pipe, which is close to the inner spiral pipe and the outer diameter of the inner spiral pipe and the outer spiral pipe are the same.
Further, the outer end lateral wall of outer inflation half pipe is fixed to be equipped with and supports the pressure disk, support the outer end that the pressure disk located outer seal half circle, the diameter when supporting the pressure disk and merging into an organic whole is greater than the aperture of cable perforation, when outer rubber seal block is located in the cable perforation, support the surface contact of pressure disk and electrical equipment.
Further, the inner rubber sealing ring and the outer rubber sealing ring are made of ethylene propylene diene rubber, the inner expansion pipe and the outer expansion pipe are made of polyethylene plastic, and the inner spiral pipe and the outer spiral pipe are made of stainless steel.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The inner rubber sealing ring, the inner expansion pipe and the outer expansion pipe are arranged in a frustum shape, and the outer expansion pipe is expanded in a mode that the inner and outer spiral pipes are screwed into the outer expansion pipe, so that the outer rubber sealing ring is expanded, the outer wall of the outer rubber sealing ring is tightly attached to the hole wall of the cable perforation due to expansion, and the sealing effect on the cable perforation position is achieved;
(2) When the inner and outer spiral pipes are screwed into the outer expansion pipe, the inner expansion pipe is arranged at the outer opening of the inner and outer spiral pipes, and the inner expansion pipe is automatically screwed into the inner and outer spiral pipes along with the rotation of the inner and outer spiral pipes, so that the outer end of the inner expansion pipe is compressed, the inner expansion pipe extrudes the inner rubber sealing ring, and the inner rubber sealing ring is tightly attached to the side wall of the cable, so that the sealing effect on the cable part is realized;
(3) The rotating disc and the rotating handle arranged at the outer ends of the inner and outer coils facilitate a user to apply a rotating force to the inner and outer coils, so that the inner and outer coils are conveniently screwed into the outer expansion tube;
(4) The outer end of the outer rubber sealing ring is fixedly provided with a pressing disc, and the pressing disc can limit the position of the outer rubber sealing ring, so that the outer rubber sealing ring cannot be pushed into a cable perforation to influence the operation in the process of screwing the inner and outer spiral pipes into the outer expansion pipe;
(5) The inner sealing half ring, the inner expansion half pipe, the inner half spiral pipe, the outer expansion half pipe and the outer sealing half ring can be directly assembled on the side wall of the cable, the end part of the cable does not need to be sleeved, and the sealing device is suitable for sealing the cable which is installed and inconvenient to disassemble.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of a sealing structure for a cable outlet of an electrical device according to the present utility model;
Fig. 2 is a schematic structural diagram of an electrical device cable outlet hole sealing structure according to the present utility model when assembled;
FIG. 3 is a schematic diagram of the explosive structures of the inner seal half-ring, inner expansion half-tube, inner and outer half-coils, outer expansion half-tube and outer seal half-ring;
FIG. 4 is a schematic diagram of the structure of the clamping groove and the clamping block;
FIG. 5 is a cross-sectional view of a cable outlet seal structure for an electrical device according to the present utility model;
FIG. 6 is an enlarged schematic view of portion A of FIG. 5;
FIG. 7 is an enlarged schematic view of portion B of FIG. 5;
FIG. 8 is an enlarged schematic view of portion C of FIG. 5;
FIG. 9 is a cross-sectional view of an electrical device cable outlet seal according to the present utility model;
fig. 10 is a schematic diagram of an explosion structure of an electrical device cable outlet sealing structure provided with a pressing plate according to the present utility model;
Fig. 11 is a cross-sectional view of the cable outlet sealing structure for an electrical device according to the present utility model when an abutment plate is provided.
The cable comprises a cable body, wherein the cable body comprises a cable 1, a cable 2, an inner rubber sealing ring, a cable 3, an inner expansion pipe, a cable 4, an inner and outer spiral pipe, a cable 5, an outer expansion pipe, a cable 6, an outer rubber sealing ring, a cable 7, an electric device 21, an inner sealing half-ring, a cable 31, an inner expansion half-pipe, a cable 311, an inner expansion thread, a cable 41, an inner and outer half-spiral pipe, a cable 411, an outer limiting thread, a cable 412, an inner limiting thread, a cable 413, a clamping groove, a cable 414, a clamping block, a cable 42, a rotating disc 421, a rotating handle 51, an outer expansion half-pipe, a cable 511, an outer expansion thread, a cable 52, a pressing disc 61, an outer sealing half-ring, a cable perforation.
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, the cable outlet hole sealing structure of the electrical device in this embodiment includes a cable 1, an inner rubber sealing ring 2, an inner expansion tube 3, an inner and outer coil 4, an outer expansion tube 5, an outer rubber sealing ring 6 and an electrical device 7, the cable 1 penetrates through the electrical device 7, the inner rubber sealing ring 2 is sleeved on the outer side wall of the cable 1, the inner expansion tube 3 is fixedly sleeved on the outer side wall of the inner rubber sealing ring 2, the inner and outer coil 4 is sleeved on the outer side wall of the inner expansion tube 3, the outer expansion tube 5 is sleeved on the outer side wall of the inner and outer coil 4, the outer rubber sealing ring 6 is fixedly sleeved on the outer side wall of the outer expansion tube 5, and the outer rubber sealing ring 6 is embedded on the side wall of the electrical device 7.
The inner rubber sealing ring 2 comprises an inner sealing half ring 21 which is symmetrically arranged, the inner expansion pipe 3 comprises an inner expansion half pipe 31 which is symmetrically arranged, the inner expansion half pipe 31 is fixedly arranged on the outer wall of the inner sealing half ring 21 in a surrounding mode, inner expansion threads 311 are arranged on the outer wall of the inner expansion half pipe 31, and when the symmetrical inner expansion half pipes 31 are combined into a whole, the inner expansion threads 311 form a complete thread line.
The inner and outer coils 4 comprise inner and outer half coils 41 symmetrically arranged, outer side walls of the inner and outer half coils 41 are provided with outer limiting threads 411, inner side walls of the inner and outer half coils 41 are provided with inner limiting threads 412, when the symmetrical inner and outer half coils 41 are combined into a whole, the outer limiting threads 411 and the inner limiting threads 412 are respectively formed into complete thread lines, and the inner expansion threads 311 are meshed with the inner limiting threads 412.
The outer expansion pipe 5 comprises an outer expansion half pipe 51 which is symmetrically arranged, an outer expansion thread 511 is arranged on the inner side wall of the outer expansion half pipe 51, when the symmetrical outer expansion half pipes 51 are combined into a whole, the outer expansion thread 511 is formed into a complete thread line, and the outer expansion thread 511 is meshed with the outer limiting thread 411;
The outer rubber seal ring 6 comprises symmetrically arranged outer sealing half rings 61, and the outer sealing half rings 61 are fixedly arranged on the outer side wall of the outer expansion half pipe 51 in a surrounding mode.
The outer ends of the inner half-spiral tubes 41 are fixedly provided with rotary discs 42, the middle parts of the side walls of the rotary discs 42 are provided with rotary handles 421, and clamping grooves 413 and clamping blocks 414 are respectively and uniformly formed in the symmetrical side walls of the inner half-spiral tubes 41, and the clamping grooves 413 and the clamping blocks 414 are correspondingly clamped.
The surface of the electric equipment 7 is provided with a cable perforation 71, the cable 1 penetrates through the cable perforation 71, the outer rubber sealing ring 6 is clamped in the cable perforation 71, and the diameter of the outer rubber sealing ring 6 is slightly smaller than the aperture of the cable perforation 71.
The inner rubber sealing ring 2, the inner expansion pipe 3 and the outer expansion pipe 5 are arranged in a frustum shape, the pipe diameters of the inner expansion pipe 3 and the outer expansion pipe 5 are arranged from the outside to the inside from the large to the small, the outer diameter of one end of the inner expansion pipe 3, which is close to the inner and outer spiral pipes 4, is the same as the inner diameter of the inner and outer spiral pipes 4, and the inner diameter of one end of the outer expansion pipe 5, which is close to the inner and outer spiral pipes 4, is the same as the outer diameter of the inner and outer spiral pipes 4.
As shown in fig. 10 and 11, the outer end side wall of the outer expansion half pipe 51 is fixedly provided with a pressing plate 52, the pressing plate 52 is arranged at the outer end of the outer sealing half ring 61, the diameter of the pressing plate 52 when being integrated is larger than the aperture of the cable through hole 71, and when the outer rubber sealing ring 6 is clamped in the cable through hole 71, the pressing plate 52 is contacted with the surface of the electric equipment 7.
As shown in fig. 1-11, the inner rubber sealing ring 2 and the outer rubber sealing ring 6 are made of ethylene propylene diene rubber, the inner expansion pipe 3 and the outer expansion pipe 5 are made of polyethylene plastic, and the inner and outer spiral pipes 4 are made of stainless steel.
Working principle and working procedure: the user firstly merges the symmetrical inner sealing half-ring 21 and the inner expansion half-tube 31 on the side wall of the cable 1 to form a complete inner rubber sealing ring 2 and an inner expansion tube 3, then merges the symmetrical inner and outer half-coils 41 on the side wall of the cable 1 on the side, close to the electrical equipment 7, of the inner expansion tube 3, and enables the clamping grooves 413 and the clamping blocks 414 to correspond one by one to ensure the stable connection of the inner and outer half-coils 41 to form a complete inner and outer coil 4, and then continues to merge the symmetrical outer expansion half-tube 51 and the outer sealing half-ring 61 on the side wall of the cable 1 on the side, close to the electrical equipment 7, of the inner and outer coil 4 to form a complete outer expansion tube 5 and an outer rubber sealing ring 6, as shown in fig. 1.
The user first plugs the whole outer rubber sealing ring 6 into the cable through hole 71, and the outer rubber sealing ring 6 can be prepared in advance according to the aperture of the cable through hole 71, so that the diameter of the outer rubber sealing ring 6 is slightly smaller than the aperture of the cable through hole 71, and the outer rubber sealing ring 6 can be smoothly placed into the cable through hole 71.
After the outer rubber sealing ring 6 is put into, a user holds the rotary handle 421 to move the inner and outer spiral pipes 4 to the pipe orifice of the outer expansion pipe 5, and holds the rotary handle 421 to rotate the inner and outer spiral pipes 4, the outer limiting threads 411 are meshed with the outer expansion threads 511, so that the inner and outer spiral pipes 4 are gradually screwed into the outer expansion pipe 5 along with the rotation of the inner and outer spiral pipes 4, and the outer expansion pipe 5 is arranged in a frustum shape, so that the outer rubber sealing ring 6 is expanded along with the rotation of the inner and outer spiral pipes 4 into the outer expansion pipe 5, and the outer wall of the outer rubber sealing ring 6 is tightly attached to the hole wall of the cable through hole 71 due to expansion, so that the sealing effect on the cable through hole 71 is achieved.
In the process of screwing the inner and outer spiral pipes 4 into the outer expansion pipe 5, a user places the inner expansion pipe 3 at the outer opening of the inner and outer spiral pipes 4, holds the outer end of the inner expansion pipe 3, and rotates the inner expansion pipe 3 along with the rotation of the inner and outer spiral pipes 4 to automatically screw into the inner and outer spiral pipes 4, and as the inner rubber sealing ring 2 and the inner expansion pipe 3 are arranged in a frustum shape, the outer end of the inner expansion pipe 3 is compressed, the inner expansion pipe 3 extrudes the inner rubber sealing ring 2, so that the inner rubber sealing ring 2 is tightly attached to the side wall of the cable 1, the sealing effect on the part of the cable 1 is achieved, and the rotating disc 42 and the rotating handle 421 arranged at the outer end of the inner and outer spiral pipes 4 facilitate the user to apply rotating force to the inner and outer spiral pipes 4, so that the inner and outer spiral pipes 4 are conveniently screwed into the outer expansion pipe 5.
Through the rotation of the inner spiral tube 4 and the outer spiral tube 4, the inner expansion tube 3 and the outer expansion tube 5 are respectively combined with the inner spiral tube 4, so that the tube walls of the inner expansion tube 3 and the outer expansion tube 5 are extruded, the inner rubber sealing ring 2 and the outer rubber sealing ring 6 are tightly attached to the wall of the cable perforation 71 and the side wall of the cable 1, and the effective sealing effect on the cable perforation 71 and the cable 1 is realized.
In order to facilitate the inner and outer coils 4 to be screwed into the outer expansion tube 5, the outer rubber sealing ring 6 and the outer end of the outer expansion tube 5 are fixedly provided with a pressing disc 52, and when the outer rubber sealing ring 6 is placed into the cable perforation 71, the pressing disc 52 touches the surface of the electrical equipment 7, so that the position of the outer rubber sealing ring 6 is effectively limited, and the inner and outer coils 4 cannot be pushed into the cable perforation 71 to influence the operation in the process of screwing into the outer expansion tube 5.
The inner sealing half ring 21, the inner expansion half pipe 31, the inner and outer half spiral pipes 41, the outer expansion half pipe 51 and the outer sealing half ring 61 can be directly assembled on the side wall of the cable 1 without being sleeved by the end part of the cable 1, and are suitable for sealing the cable 1 which is installed and is inconvenient to disassemble.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (8)
1. The utility model provides an electric device cable outlet hole seal structure, includes cable conductor (1) and electrical equipment (7), cable conductor (1) runs through electrical equipment (7) setting, its characterized in that: the cable is characterized in that an inner rubber sealing ring (2) is sleeved on the outer side wall of the cable wire (1), an inner expansion pipe (3) is fixedly arranged around the outer side wall of the inner rubber sealing ring (2), an inner spiral pipe (4) is sleeved on the outer side wall of the inner expansion pipe (3), an outer expansion pipe (5) is sleeved on the outer side wall of the inner spiral pipe (4), an outer rubber sealing ring (6) is fixedly arranged around the outer side wall of the outer expansion pipe (5), and the outer rubber sealing ring (6) is embedded on the side wall of the electrical equipment (7).
2. The electrical device cable outlet seal as set forth in claim 1, wherein: the inner rubber sealing ring (2) comprises an inner sealing half ring (21) which is symmetrically arranged, the inner expansion pipe (3) comprises an inner expansion half pipe (31) which is symmetrically arranged, the inner expansion half pipe (31) is fixedly arranged on the outer wall of the inner sealing half ring (21) in a surrounding mode, inner expansion threads (311) are arranged on the outer wall of the inner expansion half pipe (31), and when the inner expansion half pipes (31) are symmetrically combined into a whole, the inner expansion threads (311) form a complete thread line.
3. The electrical device cable outlet seal as set forth in claim 2, wherein: the inner half-screw tube (4) comprises inner half-screw tubes (41) which are symmetrically arranged, outer limiting threads (411) are arranged on the outer side walls of the inner half-screw tubes (41), inner limiting threads (412) are arranged on the inner side walls of the inner half-screw tubes (41), when the inner half-screw tubes (41) are symmetrically combined into a whole, the outer limiting threads (411) and the inner limiting threads (412) are respectively formed into complete threads, and the inner expansion threads (311) are meshed with the inner limiting threads (412).
4. A cable outlet hole sealing structure for an electrical device according to claim 3, wherein: the outer expansion pipe (5) comprises outer expansion half pipes (51) which are symmetrically arranged, outer expansion threads (511) are arranged on the inner side walls of the outer expansion half pipes (51), when the outer expansion half pipes (51) which are symmetrically arranged are combined into a whole, the outer expansion threads (511) form complete thread lines, and the outer expansion threads (511) are meshed with outer limiting threads (411);
The outer rubber sealing ring (6) comprises outer sealing half rings (61) which are symmetrically arranged, and the outer sealing half rings (61) are fixedly arranged on the outer side wall of the outer expansion half pipe (51) in a surrounding mode.
5. The electrical device cable outlet seal as set forth in claim 4, wherein: the outer end of the inner half-spiral tube (41) is fixedly provided with a rotary disc (42), the middle part of the side wall of the rotary disc (42) is provided with a rotary handle (421), clamping grooves (413) and clamping blocks (414) are respectively and uniformly formed in the side walls of the inner half-spiral tube (41) which are mutually attached, and the clamping grooves (413) and the clamping blocks (414) are correspondingly clamped.
6. The electrical device cable outlet seal as set forth in claim 5, wherein: the surface of the electrical equipment (7) is provided with a cable perforation (71), the cable (1) penetrates through the cable perforation (71), the outer rubber sealing ring (6) is clamped in the cable perforation (71), and the diameter of the outer rubber sealing ring (6) is slightly smaller than the aperture of the cable perforation (71);
The inner rubber sealing ring (2), the inner expansion pipe (3) and the outer expansion pipe (5) are arranged in a frustum shape, the pipe diameters of the inner expansion pipe (3) and the outer expansion pipe (5) are arranged from outside to inside from large to small, the outer diameter of one end of the inner expansion pipe (3) close to the inner and outer spiral pipes (4) is the same as the inner diameter of the inner and outer spiral pipes (4), and the inner diameter of one end of the outer expansion pipe (5) close to the inner and outer spiral pipes (4) is the same as the outer diameter of the inner and outer spiral pipes (4).
7. The electrical device cable outlet seal as set forth in claim 6, wherein: the outer end side wall of the outer expansion half pipe (51) is fixedly provided with a pressing disc (52), the pressing disc (52) is arranged at the outer end of the outer sealing half ring (61), the diameter of the pressing disc (52) when the pressing disc (52) is integrated into a whole is larger than the aperture of the cable perforation (71), and when the outer rubber sealing ring (6) is clamped in the cable perforation (71), the pressing disc (52) is in contact with the surface of the electrical equipment (7).
8. The electrical device cable outlet seal as set forth in claim 7, wherein: the inner rubber sealing ring (2) and the outer rubber sealing ring (6) are made of ethylene propylene diene monomer rubber, the inner expansion pipe (3) and the outer expansion pipe (5) are made of polyethylene plastic, and the inner spiral pipe and the outer spiral pipe (4) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421391689.0U CN221353847U (en) | 2024-06-18 | 2024-06-18 | Sealing structure for cable outlet hole of electric device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421391689.0U CN221353847U (en) | 2024-06-18 | 2024-06-18 | Sealing structure for cable outlet hole of electric device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221353847U true CN221353847U (en) | 2024-07-16 |
Family
ID=91831975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421391689.0U Active CN221353847U (en) | 2024-06-18 | 2024-06-18 | Sealing structure for cable outlet hole of electric device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221353847U (en) |
-
2024
- 2024-06-18 CN CN202421391689.0U patent/CN221353847U/en active Active
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