Plugging device

Abstract

The utility model discloses a plugging device, and particularly relates to a plugging device used on wires and cables. The base is provided with a circular-ring-shaped bottom, the peripheral edge of the circular-ring-shaped bottom extends upwards to form a side wall, and a sealing piece is arranged at the upper end of a hollow cavity of the circular-ring-shaped bottom, so that a sealed hollow cavity, namely an annular cylindrical body, is formed; a cover and a bottom are respectively arranged at the upper part and the lower part of the annular cylindrical body, the annular cylindrical body is provided with at least one fracture in the length direction, the fracture is divided into a plurality of parts which are mutually matched into a whole, and the fracture is closed; the screw penetrates through the hollow cavity, the cover and the bottom are connected through the screw and the nut, the hollow cavity is filled with materials except gas, and the annular cylindrical body is made of elastic materials. The device has the characteristics of low manufacturing cost, good use effect, simplicity in operation and the like.

Description

Technical Field

[0001] The utility model relates to a plugging device, in particular to a plugging device used on electric wires and cables. Background Art

[0002] In the prior art, such as a Chinese patent application with the application number: 201420759964X and the patent name: Cable Duct Plugging Device, a flexible seal is arranged between two pressing plates, and the seal is extruded and expanded by compression to realize the plugging of the cable duct; however, during the compression process, the deformation direction of the seal is uncertain, which will ultimately result in poor sealing performance of the cable duct plugging. Especially, the sealing effect between the seal and the cable is poor because the surface of the cable is irregular or there are small gaps, etc. The existing plugging device cannot achieve the degree of completely sealing small gaps and irregular surfaces due to the pressure between the seal and the cable and the pipe during the plugging process, so the sealing performance is poor.

[0003] In the patent with the application number: CN201720584893.8, an innovative mechanism for directionally plugging cables is invented. When this product is used, the internal extrusion force is sufficient, but the external extrusion is insufficient, resulting in poor sealing and waterproof performance.

[0004] At the same time, the current products mainly use rubber as the main raw material. With the rapid increase in the price of raw materials, the use and expansion of the products have been affected. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a plugging device with good plugging performance.

[0006] The plugging device of the utility model has an annular bottom, and the four peripheral edges of the annular bottom extend upward to form side walls. A seal is provided at the upper end of its hollow cavity to form a sealed hollow cavity, that is, an annular cylindrical body; a cover and a bottom are respectively provided at its upper and lower parts. The annular cylindrical body has at least one break in the length direction, which divides it into several parts that cooperate with each other to form a whole, and the break is closed; a screw passes through the hollow cavity, and the cover and the bottom are connected by the screw and a nut. A material other than gas is filled in the hollow cavity. The annular cylindrical body is made of an elastic material. When the bottom and the cover are extruded by an external force, the inner and outer side walls expand outward to play a sealing role.

[0007] The plugging device of the utility model has an annular bottom, and the four peripheral edges of the annular bottom extend upward to form side walls. A sealing member is provided at the upper end of its hollow cavity to form a sealed hollow cavity, which is an annular cylindrical body. The annular cylindrical bodies are at least two, and adjacent annular cylindrical bodies are separated by a connecting member. The bottom cylindrical body is provided with a bottom, and the upper cylindrical body is provided with a cover. The cover and the bottom are connected by a screw rod and a nut. Materials other than gas are filled in the hollow cavity of each annular cylindrical body. Each annular cylindrical body has at least one break in the length direction, which divides it into several parts that cooperate with each other to form a whole, and the break is sealed. The annular cylindrical body is made of an elastic material. When the bottom and the cover are externally pressed, the inner and outer side walls expand outwards to play a sealing role.

[0008] For convenient disassembly and assembly during maintenance, when the material in the above-mentioned hollow cavity is a solid material, a spring is provided on the screw rod, and the nut is loosened, so that the elastic material can be reset, which is convenient for removing the plugging device.

[0009] The materials other than gas can be liquids or solids. The solids are spheres, glass beads, steel beads, or can also be powder. Of course, in terms of the use effect, solid materials are better than liquid materials, with stable pressure and relatively strong pressure output. If a liquid is used as the medium, there are through holes in the annular cylindrical body where the screw rod passes through, and the annular cylindrical body is sealed around to prevent the medium from leaking easily. Of course, the spring on the screw rod at this place does not affect disassembly, and the liquid will return when not under pressure.

[0010] The materials of the bottom and the cover are hard materials, such as metal materials, plastics, other composite materials, etc. And in order to realize the installation of wires and cables, it is reasonable for the bottom and the cover to be composed of two parts or more than two parts. It is more convenient during installation, and in terms of production economy, two parts are the best.

[0011] The annular cylindrical bodies are at least two, and adjacent annular cylindrical bodies are separated by a connecting member. The connecting member here is such a structure that the connecting member is composed of several parts that can form a ring. There are annular grooves on both the upper and lower parts of the combined connecting member, and the above-mentioned annular cylindrical body can be embedded in the annular grooves, and it provides good support when the annular cylindrical body is under pressure.

[0012] The elastic material of the above-mentioned annular cylindrical body can be a modified plastic material, a rubber material, a modified rubber material, etc.

[0013] In the actual process, it is better for the several parts to be composed of two parts. At this time, the operation is relatively simple, the structure is not complicated, and the practicability and economy are better.

[0014] The above-mentioned plugging device has the characteristics of low manufacturing cost, good use effect, simple operation, etc. Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram in Embodiment 1 of the present utility model;

[0016] Figure 2 It is an exploded view in Embodiment 1 of the present utility model;

[0017] Figure 3 It is a schematic structural diagram of the annular cylinder in Embodiment 1 of the present utility model;

[0018] Figure 4 It is a schematic structural diagram in Embodiment 2 of the present utility model;

[0019] Figure 5 It is an exploded view in Embodiment 2 of the present utility model;

[0020] Figure 6 It is a schematic structural diagram of the annular cylinder in Embodiment 2 of the present utility model;

[0021] Figure 7 It is an exploded view of the annular cylinder in Embodiment 2 of the present utility model;

[0022] Figure 8 It is a schematic structural diagram in Embodiment 3 of the present utility model;

[0023] Figure 9 It is an exploded view in Embodiment 3 of the present utility model. Specific embodiments

[0024] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following combines the drawings and preferred embodiments to detail the specific embodiments, structures, features and their effects of the present utility model as follows.

[0025] Embodiment 1: In Figures 1 to 3 , the plugging device has a circular bottom, and the four peripheral edges of the circular bottom extend upward with side walls. At the upper end of its hollow cavity, there is a seal 7, forming a sealed hollow cavity, which is the annular cylinder 2; a cover 1 and a bottom 3 are respectively provided above and below it. The annular cylinder 2 has a break in the length direction, and the break divides it into parts that are matched and integrated with each other and the breaks are misaligned and matched, and the break is sealed; a screw 5 passes through the hollow cavity, and the cover 1 and the bottom 3 are connected by the screw 5 and a nut 4. A spring 6 is provided on the screw 5 on the hollow wall body, and glass beads with a diameter of 1 mm are filled in the cavity of the hollow annular wall body. The annular cylinder is made of rubber material. When the cover 1 and the bottom 3 are externally pressed, the inner and outer side walls expand outwards, compact the cable inwards, and press the external circular channel body outwards, thus playing a sealing role.

[0026] Embodiment 2: InFigures 4 to 7 In the present utility model's plugging device, it has an annular bottom. The four peripheral edges of the annular bottom extend upward to form side walls. At the upper end of its hollow cavity, there is a seal 7, making it form a sealed hollow cavity, namely an annular cylindrical body 2. At its upper and lower parts, there are respectively a cover 1 and a bottom 3. At two positions of the annular cylindrical body 2, there is a break in the length direction, dividing it into two independent parts that fit together as a whole. The break is closed, and steel balls 9 with a diameter of 2 mm are filled in the cavities of their respective hollow annular wall bodies. A screw rod 5 passes through the hollow wall body, and the cover 1 and the bottom 3 are connected by the screw rod 5 and the nut 4. A spring 6 is provided on the screw rod 5 of the hollow wall body. The annular cylindrical body is made of elastic plastic. When the cover 1 and the bottom 3 are externally pressed, the inner and outer side walls both expand outwards, compacting the cable inward and pressing the external circular channel body outwards, thus playing a sealing role. During maintenance, loosen the nut 4, and under the action of the spring 6, it can return to its original state, and it is very easy to remove the plugging device.

[0027] Example 3: In Figure 8 , Figure 9 the plugging device of the present utility model, it has an annular bottom. The two side walls of the annular bottom extend upward to form side walls. At the upper end of its hollow cavity, there is a seal 7, making it form a sealed hollow cavity, namely an annular cylindrical body 2. There are two annular cylindrical bodies 2. Between the adjacent annular cylindrical bodies 2, they are separated by a connecting piece 8. At the bottom of the lower cylindrical body, there is a bottom 3, and at the upper cylindrical body, there is a cover 1. A screw rod 5 passes through the hollow cavity. The cover 1 and the bottom 3 are connected by the screw rod 5 and the nut 4. A spring 6 is provided on the screw rod 5 of the hollow wall body. In the hollow cavity of each annular cylindrical body 2, dry stone powder material is filled. At two positions of each annular cylindrical body 2, there is a break in the length direction, dividing it into two parts that fit together as a whole. The break is closed. The annular cylindrical body 2 is made of rubber material. When the bottom 3 and the cover 1 are externally pressed, the inner and outer side walls both expand outwards, playing a sealing role.

Claims

1. A plugging device, characterized in that: It has a circular bottom, and the four peripheral edges of the circular bottom extend upward to form side walls. A seal is provided at the upper end of its hollow cavity, making it form a sealed hollow cavity, which is a ring-shaped cylinder; covers and bottoms are respectively provided at its upper and lower parts. The ring-shaped cylinder has at least one break in the length direction, dividing it into several parts that are fitted together as a whole, and the break is closed; a screw passes through the hollow cavity, and the cover and the bottom are connected by the screw and a nut. Materials other than gas are filled in the hollow cavity, and the ring-shaped cylinder is made of elastic material.

2. A plugging device, characterized in that: It has a circular bottom, and the four peripheral edges of the circular bottom extend upward to form side walls. A seal is provided at the upper end of its hollow cavity, making it form a sealed hollow cavity, which is a ring-shaped cylinder; there are at least two of the ring-shaped cylinders, and adjacent ring-shaped cylinders are separated by a connecting member. A bottom is provided on the bottom cylinder, and a cover is provided on the upper cylinder. The cover and the bottom are connected by a screw and a nut. Materials other than gas are filled in the hollow cavity of each ring-shaped cylinder. Each ring-shaped cylinder has several breaks in the length direction, dividing it into several parts that are fitted together as a whole, and the breaks are closed; the ring-shaped cylinder is made of elastic material.

3. A plugging device according to claim 1 or 2, characterized in that: When the material in the hollow cavity is a solid material, a spring is provided on the screw.

4. A plugging device according to claim 1 or 2, characterized in that: The bottom and the cover are made of hard materials.

5. The plugging device according to claim 3, characterized in that: The bottom and the cover are made of hard materials.

6. The plugging device according to claim 2, characterized in that: The connecting member is composed of several parts that can form a ring. There are annular grooves on both the upper and lower parts of the combined connecting member, and the above-mentioned ring-shaped cylinder can be embedded in the annular grooves.

7. The plugging device according to claim 2, wherein: There are two of the ring-shaped cylinders and one of the connecting members.

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