Circular single-hole type power cable penetrating and sealing device

Abstract

The utility model belongs to the field of cable penetrating and separating sealing devices, and particularly relates to a circular single-hole type power cable penetrating and separating sealing device which comprises a mounting plate, a shell is mounted on the side edge of the mounting plate, a rubber sleeve is mounted on the inner side of the shell, and a stripping layer is adhered to the inner wall of the rubber sleeve. A push plate is arranged on the side, away from the mounting plate, of the shell, a pressing ring is fixedly connected to the side wall of the push plate and slidably inserted into the inner side of the end of the shell, a third through hole is formed in the mounting plate, and a second through hole is formed in the position, corresponding to the third through hole, of the rubber sleeve. First through holes are formed in the positions, corresponding to the second through holes, of the push plate and the pressing ring, and bolts are installed in the third through holes; the device is simple in structure, convenient to operate, convenient and rapid to disassemble, assemble and maintain, and high in installation efficiency.

Description

Technical Field

[0001] The utility model relates to the field of cable penetration sealing devices, in particular to a circular single-hole power cable penetration sealing device. Background Art

[0002] Cable penetration seals are widely used in shipbuilding, marine engineering, petrochemical, power telecommunications, national defense, sewage treatment, industrial and civil construction, etc. Once a dangerous state occurs in a specific environment, the sealing module can prevent flames, smoke, gas and water from reaching adjacent structural parts through cable and pipe penetrations.

[0003] The patent with publication number CN219123877U discloses a circular single-hole power cable penetration sealing device, including two symmetrically arranged front pressure plates, two symmetrically arranged rear pressure plates, an outer frame and two symmetrically arranged stripping sheets, wherein the outer frame is cylindrical, the two symmetrically arranged front pressure plates are connected to one end of the outer frame in the axial direction, the two symmetrically arranged rear pressure plates are connected to the other end of the outer frame in the axial direction, the two symmetrically arranged stripping sheets are arranged on the inner wall of the outer frame, and the inner layers of the two symmetrically arranged stripping sheets are in contact with the outer wall of the cable; wherein the two ends of the stripping sheet are covered with sealing plates, and the sealing plates are connected to the front pressure plates and the rear pressure plates. The circular single-hole power cable penetration sealing device of the utility model increases sealing plates at the positions of the two ends of the glass sheet layer, covers the stripping sheet layer with the sealing plates, forms protection for the stripping sheet layer, improves the sealing performance of the overall device, and helps to extend the service life of the sealing device.

[0004] However, the overall structure of the above device is very complex, the use, loading and unloading and maintenance are relatively cumbersome, and the installation efficiency is low; therefore, in order to solve the above problems, a circular single-hole power cable penetration sealing device is proposed. Utility Model Content

[0005] In order to remedy the deficiencies of the prior art and solve the problems that the overall structure of the prior art devices is very complex, the use, assembly and maintenance are relatively cumbersome, and the installation efficiency is low, the utility model proposes a circular single-hole power cable penetration sealing device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a circular single-hole power cable penetration sealing device, comprising a mounting plate, a shell is mounted on the side of the mounting plate, a rubber sleeve is mounted on the inner side of the shell, a peeling layer is bonded to the inner wall of the rubber sleeve, a push plate is arranged on the side of the shell away from the mounting plate, a pressure ring is fixedly connected to the side wall of the push plate, the pressure ring is slidably inserted into the inner side of the end of the shell, a through hole three is provided on the mounting plate, a through hole two is provided on the rubber sleeve at a position corresponding to the through hole three, a through hole one is provided on the push plate and the pressure ring at a position corresponding to the through hole two, a bolt is installed in the through hole three, the end of the bolt passes through the through hole two and the through hole one, the end of the bolt extends to the outside of the push plate and a nut is threadedly connected to the end.

[0007] Preferably, a threaded sleeve is fixedly connected to the side wall of the mounting plate, an outer wall at the end of the shell is provided with an external thread, the external thread and the threaded sleeve are adapted, and the shell is threadedly connected to the inner side of the threaded sleeve.

[0008] Preferably, four bolts are provided, and the four bolts are arranged in a square shape.

[0009] Preferably, the mounting plate is provided with a plurality of groups of mounting holes symmetrically.

[0010] Preferably, a recessed groove is provided on the side wall of the mounting plate at a position corresponding to the third through hole, and the end of the bolt is arranged inside the recessed groove.

[0011] Preferably, the sum of the lengths of the rubber sleeve and the pressure ring is greater than the length of the outer shell.

[0012] Preferably, the rubber sleeve is made of high-elastic rubber.

[0013] Preferably, a scale is provided on the outer side wall of the pressure ring.

[0014] The utility model is beneficial in that:

[0015] 1. The utility model is provided with structures such as a mounting plate, a rubber sleeve, a stripping layer, a bolt, a nut, a push plate and a pressure ring. By tightening the nut, the nut squeezes the push plate and the pressure ring to move toward the inside of the shell. There is a gap between the side wall of the rubber sleeve and the inner wall of the shell. When the pressure ring squeezes the rubber sleeve, the rubber sleeve expands inward and outward. The stripping layer is divided into an upper and lower part, and then the stripping layer is squeezed by the rubber sleeve to fit the cable, which is convenient for sealing the cable and has a significant sealing effect.

[0016] 2. The utility model is convenient for protecting the outer side of the rubber sleeve by providing the outer shell, thereby extending the service life of the rubber sleeve. In addition, the outer shell is convenient for quick disassembly and assembly by connecting through the threaded structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the first embodiment;

[0019] Figure 2 is a cross-sectional view of embodiment 1;

[0020] Figure 3 It is a structural schematic diagram of the mounting plate of the first embodiment;

[0021] Figure 4 It is a schematic diagram of the structure of the rubber sleeve and the peeling layer of the first embodiment;

[0022] Figure 5 It is a schematic diagram of the structure of the scale of the second embodiment.

[0023] In the figure: 1. mounting plate; 2. threaded sleeve; 3. housing; 4. push plate; 5. bolt; 6. nut; 7. pressure ring; 8. through hole one; 9. rubber sleeve; 10. through hole two; 11. peeling layer; 12. sink; 13. scale; 14. mounting hole; 15. through hole three. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] See also Figure 1-4As shown, a circular single-hole power cable penetration sealing device includes a mounting plate 1, a shell 3 is installed on the side of the mounting plate 1, a rubber sleeve 9 is installed on the inner side of the shell 3, a peeling layer 11 is bonded on the inner wall of the rubber sleeve 9, a push plate 4 is arranged on the side of the shell 3 away from the mounting plate 1, a pressure ring 7 is fixedly connected to the side wall of the push plate 4, and the pressure ring 7 is slidably inserted on the inner side of the end of the shell 3, a through hole three 15 is opened on the mounting plate 1, a through hole two 10 is opened on the rubber sleeve 9 at a position corresponding to the through hole three 15, a through hole one 8 is opened on the push plate 4 and the pressure ring 7 at a position corresponding to the through hole two 10, a bolt 5 is installed in the through hole three 15, and the end of the bolt 5 passes through the through hole two 10 and the through hole one 8, and the bolt 5 The end of the rubber sleeve 9 extends to the outside of the push plate 4 and is threadedly connected with a nut 6; when working, by tightening the nut 6, the nut 6 squeezes the push plate 4 and the pressure ring 7 to move toward the inside of the shell 3, and there is a gap between the side wall of the rubber sleeve 9 and the inner wall of the shell 3. When the pressure ring 7 squeezes the rubber sleeve 9, the rubber sleeve 9 expands inward and outward. The peeling layer 11 is divided into two parts, the upper and lower parts, and then the peeling layer 11 is squeezed by the rubber sleeve 9 to fit the cable, which is convenient for sealing the cable and has a significant sealing effect. In addition, the peeling layer 11 can be torn off layer by layer, so that the aperture of the rubber sleeve 9 can be quickly adjusted to meet the needs of cables of different models and specifications. The scope of application is very wide, and the peeling layer 11 can be used repeatedly and is convenient to replace, so that the entire sealing device can be used for a long time, which is economical and environmentally friendly.

[0027] A threaded sleeve 2 is fixedly connected to the side wall of the mounting plate 1, and an external thread is provided on the outer side wall of the end of the shell 3. The external thread is adapted to the threaded sleeve 2, and the shell 3 is threadedly connected to the inner side of the threaded sleeve 2. When working, the outer side of the rubber sleeve 9 is protected by the shell 3 to extend the service life of the rubber sleeve 9. In addition, the threaded structure is used for connection, which facilitates quick disassembly and assembly of the shell 3.

[0028] There are four bolts 5 , and the four bolts 5 are arranged in a square shape; during operation, it is convenient to install and limit the rubber sleeve 9 .

[0029] The mounting plate 1 is symmetrically provided with a plurality of mounting holes 14 ; during operation, the cable penetration sealing device can be conveniently connected to other equipment through the mounting holes 14 .

[0030] A recessed groove 12 is provided on the side wall of the mounting plate 1 at a position corresponding to the through hole three 15, and the end of the bolt 5 is arranged inside the recessed groove 12; when working, the end of the bolt 5 is arranged on the inner side of the recessed groove 12, so that the mounting plate 1 can be installed tightly together with other equipment.

[0031] The sum of the lengths of the rubber sleeve 9 and the pressure ring 7 is greater than the length of the housing 3 ; during operation, sufficient movement space is reserved for the pressure ring 7 to facilitate the pressure ring 7 to move toward the inside of the housing 3 to squeeze the rubber sleeve 9 .

[0032] The rubber sleeve 9 is made of highly elastic rubber; during operation, the rubber sleeve 9 can be squeezed and deformed by the pressure ring 7.

[0033] Embodiment 2

[0034] See also Figure 5 As shown, in contrast to Example 1, as another implementation of the present utility model, a scale 13 is provided on the outer wall of the pressure ring 7; when working, it is convenient to display the distance that the pressure ring 7 enters the interior of the housing 3.

[0035] Working principle: when working, the peeling layer 11 can be torn off layer by layer first, so that the aperture of the rubber sleeve 9 can be quickly adjusted to meet the needs of cables of different models and specifications. Then, by tightening the nut 6, the nut 6 squeezes the push plate 4 and the pressure ring 7 to move toward the inside of the shell 3. There is a gap between the side wall of the rubber sleeve 9 and the inner wall of the shell 3. When the pressure ring 7 squeezes the rubber sleeve 9, the rubber sleeve 9 expands inward and outward, and the peeling layer 11 is divided into two parts, the upper and lower parts, and then the rubber sleeve 9 squeezes the peeling layer 11 to fit the cable to seal the cable, and the sealing effect is significant.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A circular single-hole power cable penetration sealing device, characterized in that: The invention comprises a mounting plate (1), a shell (3) is mounted on the side of the mounting plate (1), a rubber sleeve (9) is mounted on the inner side of the shell (3), a peeling layer (11) is bonded on the inner wall of the rubber sleeve (9), a push plate (4) is arranged on the side of the shell (3) away from the mounting plate (1), a pressure ring (7) is fixedly connected to the side wall of the push plate (4), the pressure ring (7) is slidably inserted on the inner side of the end of the shell (3), and a through hole is opened on the mounting plate (1). Three (15), a through hole two (10) is opened on the rubber sleeve (9) at a position corresponding to the through hole three (15), a through hole one (8) is opened on the push plate (4) and the pressure ring (7) at a position corresponding to the through hole two (10), a bolt (5) is installed in the through hole three (15), the end of the bolt (5) passes through the through hole two (10) and the through hole one (8), the end of the bolt (5) extends to the outside of the push plate (4) and a nut (6) is threadedly connected to the end.

2. A circular single-hole power cable penetration sealing device according to claim 1, characterized in that: A threaded sleeve (2) is fixedly connected to the side wall of the mounting plate (1), an outer wall at the end of the outer shell (3) is provided with an external thread, the external thread is adapted to fit the threaded sleeve (2), and the outer shell (3) is threadedly connected to the inner side of the threaded sleeve (2).

3. A circular single-hole power cable penetration sealing device according to claim 2, characterized in that: Four bolts (5) are provided, and the four bolts (5) are arranged in a square shape.

4. A circular single-hole power cable penetration sealing device according to claim 3, characterized in that: The mounting plate (1) is symmetrically provided with a plurality of groups of mounting holes (14).

5. A circular single-hole power cable penetration sealing device according to claim 4, characterized in that: A recessed groove (12) is provided on the side wall of the mounting plate (1) at a position corresponding to the third through hole (15), and the end of the bolt (5) is arranged inside the recessed groove (12).

6. A circular single-hole power cable penetration sealing device according to claim 5, characterized in that: The sum of the lengths of the rubber sleeve (9) and the pressure ring (7) is greater than the length of the outer shell (3).

7. A circular single-hole power cable penetration sealing device according to claim 6, characterized in that: The rubber sleeve (9) is made of highly elastic rubber.

8. A circular single-hole power cable penetration sealing device according to claim 7, characterized in that: The outer side wall of the pressure ring (7) is provided with a scale (13).

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