Incoming and outgoing line sealing structure of power distribution cabinet

Abstract

The utility model discloses a power distribution cabinet incoming and outgoing line sealing structure, comprising a main body unit and an extrusion mechanism, the main body unit comprises a threading plate, the threading plate is provided with a plurality of threading holes at equal intervals, each threading hole is internally and fixedly provided with a threaded cylinder, each threaded cylinder is internally provided with a connecting wire, and the connecting wire is connected with the extrusion mechanism. The device comprises a plurality of threaded cylinders, the inner wall of each threaded cylinder is fixedly provided with an annular air bag, each threaded cylinder is connected with a nut in a meshed mode, and one end of each nut is fixedly connected with a fixing ring, and the device has the advantages that the nuts are driven by a shifting rod to rotate, and the fixing rings are driven by the nuts to move and abut against an extrusion plate; the extrusion plate is pushed to move through the nut, the rubber air bag is extruded through the extrusion plate, air in the rubber air bag is extruded into the annular air bag through the air guide pipe, the annular air bag is inflated and expanded, the threading hole is blocked through the annular air bag, the sealing performance of the threading hole is improved, wires can be conveniently installed, and convenience is brought to operators.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to an inlet and outlet line sealing structure of a power distribution cabinet. Background Art

[0002] A distribution cabinet is a general term for motor control centers. Distribution cabinets are suitable for applications with dispersed loads and a small number of circuits, while motor control centers are used in applications with concentrated loads and a large number of circuits. They distribute power from a circuit in a higher-level distribution device to nearby loads. This equipment provides load protection, monitoring, and control. When using a distribution cabinet, it requires slots to allow for smooth entry and exit of cables.

[0003] When connecting wires to a distribution cabinet, a certain gap between them inevitably affects the cabinet's sealing performance. Although current distribution cabinets on the market attempt to enhance sealing by installing sealing rings, the actual effect is still insufficient. More importantly, this design often increases the complexity of wire installation, causing unnecessary trouble and inconvenience for operators.

[0004] Therefore, a sealing structure for the incoming and outgoing lines of a power distribution cabinet is needed to solve the above problems. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] In view of the above-mentioned problem of the sealing structure of the inlet and outlet wires of the power distribution cabinet, the present utility model is proposed.

[0007] Therefore, the purpose of the present utility model is to provide a sealing structure for the incoming and outgoing lines of a distribution cabinet, which is used to solve the problem that "when the distribution cabinet is connected to the wires, there is a certain gap between the two, which inevitably affects the sealing performance of the distribution cabinet. Although the distribution cabinets currently on the market try to enhance the sealing effect by installing sealing rings, the actual effect is still insufficient. More importantly, this design often increases the complexity of wire installation, bringing unnecessary troubles and inconveniences to operators" and other problems.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions: a sealing structure for inlet and outlet lines of a power distribution cabinet, comprising:

[0009] The main body unit includes a threading plate, a plurality of threading holes are opened on the threading plate at equal intervals, a threaded barrel is fixedly installed in each threading hole, a connecting wire is provided in each threaded barrel, an annular airbag is fixedly installed on the inner wall of each threaded barrel, a nut is meshed and connected to each threaded barrel, and a fixing ring is fixedly connected to one end of each nut, and a plurality of grooves are opened on one side of the threading plate;

[0010] The extrusion mechanism is arranged in multiple groups, each group of the extrusion mechanisms includes two rubber airbags and multiple limit rods, each limit rod is slidably sleeved with a slider, each limit rod is sleeved with a spring, one end of each slider is rotatably connected to a connecting rod, one end of each rubber airbag is fixedly connected to an extrusion plate, the other end of each connecting rod is rotatably connected to the extrusion plate, and each rubber airbag is connected to the interior of the annular airbag through an air guide tube.

[0011] As a preferred solution of the sealing structure for the inlet and outlet lines of a power distribution cabinet described in the utility model, wherein: a plurality of the limit rods are fixedly connected in the groove, and the threading plate is fixedly installed with the external power distribution cabinet.

[0012] As a preferred solution of the sealing structure for incoming and outgoing wires of a power distribution cabinet described in the utility model, the plurality of rubber airbags are fixedly mounted on the side wall of the threading plate, and one end of the plurality of fixing rings is against the extrusion plate.

[0013] As a preferred solution of the sealing structure for incoming and outgoing lines of a power distribution cabinet described in the utility model, both ends of the plurality of springs are respectively fixedly connected to the side wall of the slider and the inner wall of the groove.

[0014] As a preferred solution of the sealing structure for the incoming and outgoing lines of a power distribution cabinet described in the utility model, a plurality of levers are fixedly connected to the side walls of the plurality of nuts at equal intervals, and the surface of each lever is provided with anti-slip grooves.

[0015] As a preferred solution of the sealing structure for the inlet and outlet lines of a power distribution cabinet described in the utility model, the plurality of annular airbags are sleeved on the connecting wires, and the plurality of sliders are slidably connected in the grooves.

[0016] Beneficial effects of the utility model:

[0017] The nut is driven to rotate by the shift rod, and the fixed ring is driven to move and rest against the extrusion plate by the nut, and the extrusion plate is pushed to move by the nut, and the rubber airbag is squeezed by the extrusion plate, and the gas in the rubber airbag is squeezed into the annular airbag through the air guide tube, so that the annular airbag is inflated and expanded, and the wire threading hole is blocked by the annular airbag, thereby improving its sealing performance and facilitating the installation of the wire, which brings convenience to the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0019] Figure 1 This is a front structural schematic diagram of a sealing structure for incoming and outgoing lines of a power distribution cabinet according to the present invention.

[0020] Figure 2 The utility model is a partial structural diagram of the sealing structure of the incoming and outgoing lines of a power distribution cabinet.

[0021] Figure 3 This is a schematic diagram of the back structure of a distribution cabinet inlet and outlet line sealing structure according to the present invention.

[0022] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0023] Description of the drawings: 100, main unit; 101, threading plate; 102, connecting wire; 103, threaded barrel; 104, annular airbag; 105, nut; 106, lever; 107, fixing ring; 200, extrusion mechanism; 201, rubber airbag; 202, limit rod; 203, spring; 204, slider; 205, connecting rod; 206, extrusion plate. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0027] Furthermore, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, when describing embodiments of the present invention, cross-sectional views of device structures may be partially enlarged and not to scale. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0028] Reference Figure 1 - Figure 4 , is an embodiment of the utility model, which provides a distribution cabinet inlet and outlet line sealing structure, which includes:

[0029] The main unit 100 includes a threading plate 101. The threading plate 101 is provided with a plurality of threading holes at equal intervals. A threaded barrel 103 is fixedly installed in each threading hole. A connecting wire 102 is provided in each threaded barrel 103. An annular airbag 104 is fixedly installed on the inner wall of each threaded barrel 103. A nut 105 is meshed and connected to each threaded barrel 103. One end of each nut 105 is fixedly connected to a fixing ring 107. A plurality of grooves are provided on one side of the threading plate 101.

[0030] The extrusion mechanism 200 is provided in multiple groups. Each group of the extrusion mechanism 200 includes two rubber airbags 201 and multiple limiting rods 202. Each limiting rod 202 is slidably sleeved with a slider 204. Each limiting rod 202 is sleeved with a spring 203. One end of each slider 204 is rotatably connected to a connecting rod 205. One end of each rubber airbag 201 is fixedly connected to an extrusion plate 206. The other end of each connecting rod 205 is rotatably connected to the extrusion plate 206. Each rubber airbag 201 is connected to the interior of the annular airbag 104 through an air guide tube.

[0031] The nut 105 is driven to rotate by the shift rod 106, and the fixing ring 107 is driven to move and abut against the extrusion plate 206 by the nut 105. The extrusion plate 206 is pushed to move by the nut 105, and the rubber airbag 201 is squeezed by the extrusion plate 206. The gas in the rubber airbag 201 is squeezed into the annular airbag 104 through the air guide tube, so that the annular airbag 104 is inflated and expanded. The wire threading hole is blocked by the annular airbag 104, thereby improving its sealing performance and facilitating the installation of the wires, which brings convenience to the operator.

[0032] Among them, multiple limiting rods 202 are fixedly connected in the groove, the threading plate 101 is fixedly installed with the external power distribution cabinet, and the limiting rods 202 play a role in limiting the slider 204.

[0033] The plurality of rubber airbags 201 are fixedly mounted on the side wall of the threading plate 101 , and one end of the plurality of fixing rings 107 rests on the extrusion plate 206 , so that the extrusion plate 206 is pushed to move by the fixing rings 107 .

[0034] The two ends of the plurality of springs 203 are respectively fixedly connected to the side wall of the slider 204 and the inner wall of the groove, and the springs 203 are used to reset the extrusion plate 206 .

[0035] Among them, multiple levers 106 are fixedly connected to the side walls of the multiple nuts 105 at equal intervals, and the surface of each lever 106 is provided with anti-slip grooves, which makes it easy to rotate the nuts 105.

[0036] Among them, multiple annular airbags 104 are all sleeved on the connecting wires 102, and multiple sliders 204 are all slidably connected in the grooves. The annular airbags 104 are used to block the threading holes to improve their sealing performance.

[0037] Working principle: During installation, pass the connecting wire 102 through the threading hole, then put on the nut 105 and engage with the threaded barrel 103, drive the nut 105 to rotate through the lever 106, drive the fixing ring 107 to move and rest on the extrusion plate 206 through the nut 105, push the extrusion plate 206 to move through the nut 105, squeeze the rubber airbag 201 through the extrusion plate 206, and squeeze the gas in the rubber airbag 201 into the annular airbag 104 through the air guide tube, so that the annular airbag 104 is inflated, and the threading hole is sealed by the annular airbag 104 to improve its sealing performance, and facilitate the installation of the wire, which brings convenience to the operator. The content not described in detail in this description belongs to the existing technology known to professional and technical personnel in this field.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A sealing structure for inlet and outlet lines of a power distribution cabinet, characterized in that: include: A main body unit (100), the main body unit (100) includes a threading plate (101), a plurality of threading holes are opened on the threading plate (101) at equal intervals, a threaded barrel (103) is fixedly installed in each threading hole, a connecting wire (102) is arranged in each threaded barrel (103), an annular air bag (104) is fixedly installed on the inner wall of each threaded barrel (103), a nut (105) is meshed and connected to each threaded barrel (103), one end of each nut (105) is fixedly connected to a fixing ring (107), and a plurality of grooves are opened on one side of the threading plate (101); The squeezing mechanism (200) is provided in multiple groups, each group of the squeezing mechanisms (200) comprises two rubber airbags (201) and multiple limiting rods (202), each limiting rod (202) is slidably sleeved with a slider (204), each limiting rod (202) is sleeved with a spring (203), one end of each slider (204) is rotatably connected to a connecting rod (205), one end of each rubber airbag (201) is fixedly connected to an squeezing plate (206), the other end of each connecting rod (205) is rotatably connected to the squeezing plate (206), and each rubber airbag (201) is communicated with the interior of the annular airbag (104) through an air guide tube.

2. A distribution cabinet inlet and outlet cable sealing structure according to claim 1, characterized in that: The plurality of limit rods (202) are all fixedly connected in the grooves, and the threading plate (101) is fixedly installed with an external power distribution cabinet.

3. The sealing structure for inlet and outlet cables of a power distribution cabinet according to claim 1, characterized in that: The plurality of rubber airbags (201) are fixedly mounted on the side wall of the threading plate (101), and one end of the plurality of fixing rings (107) is against the extrusion plate (206).

4. The sealing structure for inlet and outlet cables of a power distribution cabinet according to claim 1, characterized in that: Both ends of the plurality of springs (203) are respectively fixedly connected to the side wall of the slider (204) and the inner wall of the groove.

5. The sealing structure for inlet and outlet cables of a power distribution cabinet according to claim 1, characterized in that: A plurality of shifting rods (106) are fixedly connected to the side walls of the plurality of nuts (105) at equal intervals, and the surface of each of the shifting rods (106) is provided with anti-slip grooves.

6. The sealing structure for inlet and outlet cables of a power distribution cabinet according to claim 1, characterized in that: The plurality of annular airbags (104) are all sleeved on the connecting wire (102), and the plurality of sliders (204) are all slidably connected in the groove.

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