Connecting structure of water-immersion-resistant busbar combined cabinet

Abstract

The utility model discloses a connection structure of a water-immersion-resistant busbar combined cabinet, and relates to the technical field of low-voltage cabinet connection. A first shell sealing plate and a second shell sealing plate are fixedly connected; the first shell sealing plate is provided with a first window, and the periphery of the first window sinks in the direction away from the second cabinet body to form a first groove; the second shell sealing plate is provided with a second window, and the periphery of the second window sinks in the direction away from the first cabinet body to form a second groove; the first groove is aligned with the second groove to form a limiting space, a sealing gasket assembly is arranged in the limiting space, one side of the sealing gasket assembly abuts against the first groove, and the other side of the sealing gasket assembly abuts against the second groove. According to the utility model, the grooves are arranged around the window of the combined cabinet body, the grooves are aligned and then combined to form the limiting space, and the sealing gasket assembly is arranged in the limiting space, so that water flow can be effectively prevented from permeating into the window, and the waterproof performance of the low-voltage cabinet after combined cabinet connection can be obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to low -voltage cabinet connection technical field, concretely relates to a waterproof submersible busbar and cabinet's connecting structure. BACKGROUND

[0002] In the power system, often need to connect two or more low -voltage cabinet together and use, to improve the reliability of power supply. The low -voltage cabinet of cabinet is generally connected by busbar, this needs to set up window on the low -voltage cabinet cabinet of cabinet, for the busbar of setting up, however, the existing cabinet cabinet sets up the busbar, and the window is short of sealing component, cannot block the water penetration, seriously affected the waterproof performance of low -voltage cabinet after cabinet connection. SUMMARY

[0003] The utility model discloses a waterproof submersible busbar and cabinet's connecting structure, sets up the recess around the window of cabinet cabinet, and the recess is combined to form the spacing after alignment, and then sets up the sealing pad assembly in the spacing, so that the water penetration into the window can be effectively blocked, and the waterproof performance of low -voltage cabinet after cabinet connection can be significantly improved.

[0004] The utility model provides a waterproof submersible busbar and cabinet's connecting structure, including the first cabinet body and second cabinet body of parallelly arranged, first shell closing plate is provided with on the side of first cabinet body close to second cabinet body, second shell closing plate is provided with on the side of second cabinet body close to first cabinet body, first shell closing plate with second shell closing plate fixed connection,

[0005] First window is provided with on first shell closing plate, and the four -quarter of first window is recessed to form first recess in the direction away from second cabinet body, second window is provided with on second shell closing plate, and the four -quarter of second window is recessed to form second recess in the direction away from first cabinet body,

[0006] The first recess is combined to form the spacing after alignment second recess, and sealing pad assembly is arranged in the spacing, and one side of sealing pad assembly is in contact with first recess, and the other side of sealing pad assembly is in contact with second recess.

[0007] Specifically, the sealing pad assembly includes a rubber pad, a first limiting plate, and a second limiting plate, the rubber pad is clamped between the first limiting plate and the second limiting plate.

[0008] The first limiting plate is in contact with the first recess, and the second limiting plate is in contact with the second recess.

[0009] Specifically, the first window and the second window are frame-shaped windows, the first groove and the second groove are frame-shaped grooves, the rubber pad is a frame-shaped pad, and the first limiting plate and the second limiting plate are frame-shaped pad plates.

[0010] Specifically, the thickness of the first limiting plate is H1, the depth of the first groove is h1, and the constraint relationship between H1 and h1 is H1 >= h1.

[0011] The thickness of the second limiting plate is H2, the depth of the second groove is h2, and the constraint relationship between H2 and h2 is H2 >= h2.

[0012] Specifically, the thickness of the rubber pad is 1mm, and the thickness of the first limiting plate and the thickness of the second limiting plate are both 2mm.

[0013] Specifically, a sealing ring is further arranged in the limiting space, and the sealing ring is arranged around the sealing pad assembly.

[0014] One side of the sealing ring abuts against the first groove, and the other side of the sealing ring abuts against the second groove.

[0015] Specifically, the sealing ring is a frame-shaped gasket; and / or

[0016] The cross-sectional diameter of the sealing ring is greater than or equal to 6mm.

[0017] Specifically, the first shell sealing plate and the second shell sealing plate are fixedly connected through a plurality of fastening bolts and a plurality of fastening nuts, and any fastening bolt sequentially passes through the first groove, the sealing pad assembly and the second groove.

[0018] Specifically, the number of fastening bolts on the same straight line is greater than or equal to 3; and / or

[0019] The fastening bolt is an M8 bolt.

[0020] Specifically, a first flat washer and a first spring washer are arranged between the head of the fastening bolt and the first shell sealing plate, and a second flat washer and a second spring washer are arranged between the fastening nut and the second shell sealing plate.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] In the connecting structure of the waterproof immersed busbar and cabinet of the utility model, the first shell sealing plate and the second shell sealing plate are the basis of the cabinet connection, the first recess is formed around the first window on the first shell sealing plate, the second recess is formed around the second window on the second shell sealing plate, the first recess is aligned with the second recess to form a limiting space, a sealing gasket assembly is arranged in the limiting space, and the connecting gap of the first window and the second window is sealed, so that the water flow can be effectively blocked from penetrating into the first window and the second window from the connecting gap, thereby the waterproof performance of the low-voltage cabinet after the cabinet connection can be significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0024] Figure 1 It is the three-dimensional structure schematic view of the connecting structure in the embodiment of the utility model;

[0025] Figure 2 It is the first explosion structure schematic view of the connecting structure in the embodiment of the utility model;

[0026] Figure 3 It is the first partial section structure schematic view of the connecting structure in the embodiment of the utility model;

[0027] Figure 4 It is the second explosion structure schematic view of the connecting structure in the embodiment of the utility model;

[0028] Figure 5 It is the second partial section structure schematic view of the connecting structure in the embodiment of the utility model;

[0029] Figure 6 It is the third explosion structure schematic view of the connecting structure in the embodiment of the utility model;

[0030] Figure 7 It is the combined structure schematic view of the sealing gasket assembly and the sealing ring in the embodiment of the utility model.

[0031] In the drawings, 10, limiting space; 100, first shell sealing plate; 110, first window; 120, first recess; 200, second shell sealing plate; 210, second window; 220, second recess; 300, sealing gasket assembly; 310, rubber pad; 320, first limiting plate; 330, second limiting plate; 400, sealing ring; 510, fastening bolt; 520, fastening nut. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0033] The utility model provides a kind of waterproofing connection structure of cable and cabinet, Figure 1 It shows the three-dimensional structure schematic diagram of the connection structure in the embodiment of the utility model, Figure 2 It shows the first explosion structure schematic diagram of the connection structure in the embodiment of the utility model, Figure 3 It shows the first partial section structure schematic diagram of the connection structure in the embodiment of the utility model, the connection structure includes first cabinet body and second cabinet body arranged side by side, first cabinet body is close to the side of second cabinet body and is provided with first shell sealing plate 100, second cabinet body is close to the side of first cabinet body and is provided with second shell sealing plate 200, first shell sealing plate 100 and second shell sealing plate 200 are fixedly connected;First window 110 is provided on first shell sealing plate 100, the periphery of first window 110 is recessed to form first recess 120 in the direction away from second cabinet body;Second window 210 is provided on second shell sealing plate 200, the periphery of second window 210 is recessed to form second recess 220 in the direction away from first cabinet body;First recess 120 is aligned with second recess 220 and is combined to form limiting space 10, sealing gasket assembly 300 is provided in limiting space 10, one side of sealing gasket assembly 300 is in contact with first recess 120, the other side of sealing gasket assembly 300 is in contact with second recess 220.

[0034] In the waterproofing connection structure of cable and cabinet of the utility model, first shell sealing plate 100 and second shell sealing plate 200 are the basis of cabinet connection, by forming first recess 120 around first window 110 on first shell sealing plate 100 and forming second recess 220 around second window 210 on second shell sealing plate 200, and making first recess 120 align with second recess 220 and combine to form limiting space 10, then setting sealing gasket assembly 300 in limiting space 10, sealing the connecting gap of first window 110 and second window 210, so water flow can be effectively blocked from penetrating into first window 110 and second window 210 from connecting gap, thereby can significantly improve the waterproof performance of low-voltage cabinet after cabinet connection.

[0035] Figure 4The second explosion structure schematic view of the connecting structure in the embodiment of the utility model is shown, please refer to Figure 3 The sealing gasket assembly 300 is composed of the rubber gasket 310, the first limiting plate 320 and the second limiting plate 330, has good sealing capacity, can effectively seal the connecting gap of the first window 110 and the second window 210, and the rubber gasket 310 has certain elasticity and is clamped between the first limiting plate 320 and the second limiting plate 330, so that the sealing performance of the rubber gasket 310 can be ensured when the rubber gasket 310 is subjected to pressure and does not move or seriously deform.

[0036] Specifically, the material of the rubber gasket 310 is silicone rubber, is resistant to extreme temperature, has good chemical inertia, is solid and durable, and has persistent elasticity.

[0037] In some specific embodiments, please refer to Figure 4 The first window 110 and the second window 210 are both frame-shaped windows, the first groove 120 and the second groove 220 are both frame-shaped grooves, the rubber gasket 310 is a frame-shaped gasket, and the first limiting plate 320 and the second limiting plate 330 are both frame-shaped gasket plates.

[0038] In some specific embodiments, the thickness of the first limiting plate 320 is H1, the depth of the first groove 120 is h1, the constraint relationship between the H1 and the h1 is H1 >= h1, the thickness of the second limiting plate 330 is H2, the depth of the second groove 220 is h2, and the constraint relationship between the H2 and the h2 is H2 >= h2.

[0039] In some specific embodiments, the thickness of the rubber gasket 310 is 1mm, the thickness of the first limiting plate 320 and the thickness of the second limiting plate 330 are both 2mm, and the sealing gasket assembly 300 composed of the 1mm rubber gasket 310, the 2mm first limiting plate 320 and the 2mm second limiting plate 330 is light and thin enough to ensure the sealing effect, is conducive to reducing the gap between cabinet bodies, and has a positive effect on improving waterproof performance.

[0040] Figure 5A second partial sectional structure schematic view of the connecting structure in the embodiment of the utility model is shown, Figure 6 A third explosion structure schematic view of the connecting structure in the embodiment of the utility model is shown, Figure 7 A combination structure schematic view of the sealing gasket assembly and the sealing ring in the embodiment of the utility model is shown, the sealing ring 400 is also arranged in the limiting space 10, and the sealing ring 400 is arranged around the sealing gasket assembly 300; one side of the sealing ring 400 abuts against the first groove 120, and the other side of the sealing ring 400 abuts against the second groove 220. The sealing ring 400 can form a sealing barrier on the basis of the sealing of the sealing gasket assembly 300, and the waterproof performance of the connecting gap is further improved.

[0041] Specifically, please refer to Figure 6 The sealing ring 400 is a frame-shaped washer, and is matched with a frame-shaped window, a frame-shaped groove, a frame-shaped gasket and a frame-shaped pad.

[0042] Further, the cross-sectional diameter of the sealing ring 400 is greater than or equal to 6 mm, so that the sealing ring 400 can be sufficiently extruded in the limiting space 10 and abut against the first groove 120 and the second groove 220 tightly, thereby forming excellent sealing effect.

[0043] In some specific embodiments, please refer to Figures 1 to 3 The first shell sealing plate 100 and the second shell sealing plate 200 are fixedly connected through a plurality of fastening bolts 510 and a plurality of fastening nuts 520, and any fastening bolt 510 passes through the first groove 120, the sealing gasket assembly 300 and the second groove 220 in sequence. In this way, the first shell sealing plate 100 and the second shell sealing plate 200 can be fixedly connected, and the sealing gasket assembly 300 can be clamped tightly in the limiting space 10, so that the sealing effect of the sealing gasket assembly 300 is improved.

[0044] Specifically, please refer to Figure 2 The number of fastening bolts 510 on the same straight line is greater than or equal to 3, and is uniformly distributed, which can effectively ensure the connecting effect between the first shell sealing plate 100 and the second shell sealing plate 200, and can make the sealing gasket assembly 300 be clamped in the limiting space 10 by balanced pressure, and be closely attached to the first groove 120 and the second groove 220, so that the sealing effect is good.

[0045] Further, the fastening bolt 510 is an M8 bolt, and the nominal diameter is 8 mm, so that the fastening bolt 510 has high tensile strength and shear strength and can bear large load and torque.

[0046] In some specific embodiments, a first flat washer and a first spring washer are provided between the head of the fastening bolt 510 and the first outer casing 100. The main function of the first flat washer is to increase the contact area, distribute pressure, and prevent the head of the fastening bolt 510 from damaging the surface of the first outer casing 100. The main function of the first spring washer is to apply a force to the head of the fastening bolt 510 after it is tightened with the fastening nut 520, which helps to prevent the fastening bolt 510 from loosening. A second flat washer and a second spring washer are provided between the fastening nut 520 and the second outer casing 200. The main function of the second flat washer is to increase the contact area, distribute pressure, and prevent the fastening nut 520 from damaging the surface of the second outer casing 200. The main function of the second spring washer is to apply a force to the fastening nut 520 after it is tightened with the fastening bolt 510, which helps to prevent the fastening nut 520 from loosening. The first and second spring washers work together to effectively prevent the fastening bolts 510 and nut 520 from loosening, ensuring the connection stability of the first outer casing 100 and the second outer casing 200, and also ensuring the sealing and waterproof performance of the connection structure.

[0047] In the connection structure of the waterproof substation of this utility model, the first outer shell sealing plate 100 and the second outer shell sealing plate 200 are the basis for the connection of the substations. By forming a first groove 120 around the first window 110 on the first outer shell sealing plate 100 and a second groove 220 around the second window 210 on the second outer shell sealing plate 200, and aligning the first groove 120 with the second groove 220 to form a limiting space 10, and then setting a sealing gasket assembly 300 in the limiting space 10 to seal the connection gap between the first window 110 and the second window 210, water flow can be effectively prevented from seeping into the first window 110 and the second window 210 from the connection gap, thereby significantly improving the waterproof performance of the low-voltage substations after connection.

[0048] Furthermore, a sealing ring 400 is provided within the limiting space 10. The sealing ring 400 is arranged around the sealing gasket assembly 300. The sealing ring 400 can form an additional sealing barrier on the basis of the sealing gasket assembly 300, further improving the waterproof performance of the connection gap.

[0049] In addition, the fastening bolts 510 that fix the first outer shell sealing plate 100 and the second outer shell sealing plate 200 pass through the first groove 120, the sealing gasket assembly 300 and the second groove 220 in sequence. This not only fixes the first outer shell sealing plate 100 and the second outer shell sealing plate 200, but also ensures that the sealing gasket assembly 300 and the sealing ring 400 are firmly clamped in the limiting space 10, which helps to improve the sealing effect of the limiting space 10 and ensures the waterproof performance of the connection gap.

[0050] The above provides a detailed description of the connection structure of the waterproof motherboard and cabinet provided by the embodiments of this utility model. Specific examples have been used to illustrate the principle and implementation of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A connection structure for waterproof motherboards and cabinets, comprising a first cabinet and a second cabinet arranged side by side, characterized in that, The first cabinet is provided with a first outer shell sealing plate on the side of the second cabinet close to the second cabinet, and the second cabinet is provided with a second outer shell sealing plate on the side of the first cabinet close to the first cabinet. The first outer shell sealing plate and the second outer shell sealing plate are fixedly connected. The first outer casing has a first window, and the periphery of the first window is recessed in the direction away from the second cabinet to form a first groove; the second outer casing has a second window, and the periphery of the second window is recessed in the direction away from the first cabinet to form a second groove. The first groove is aligned with the second groove to form a limiting space. A sealing gasket assembly is provided in the limiting space. One side of the sealing gasket assembly abuts against the first groove, and the other side of the sealing gasket assembly abuts against the second groove.

2. The connection structure of the waterproof motherboard and cabinet as described in claim 1, characterized in that, The sealing gasket assembly includes a rubber gasket, a first limiting plate, and a second limiting plate, wherein the rubber gasket is clamped between the first limiting plate and the second limiting plate; The first limiting plate abuts against the first groove, and the second limiting plate abuts against the second groove.

3. The connection structure of the waterproof motherboard and cabinet as described in claim 2, characterized in that, Both the first window and the second window are frame-shaped windows, both the first groove and the second groove are frame-shaped grooves, the rubber pad is a frame-shaped gasket, and both the first limiting plate and the second limiting plate are frame-shaped pads.

4. The connection structure of the waterproof motherboard and cabinet as described in claim 2, characterized in that, The thickness of the first limiting plate is H1, the depth of the first groove is h1, and the constraint relationship between H1 and h1 is: H1≥h1; The thickness of the second limiting plate is H2, the depth of the second groove is h2, and the constraint relationship between H2 and h2 is: H2≥h2.

5. The connection structure of the waterproof motherboard and cabinet as described in claim 2, characterized in that, The thickness of the rubber pad is 1mm, and the thickness of the first limiting plate and the second limiting plate are both 2mm.

6. The connection structure of the waterproof motherboard and cabinet as described in claim 1, characterized in that, A sealing ring is also provided within the limiting space, and the sealing ring is arranged around the sealing gasket assembly. One side of the sealing ring abuts against the first groove, and the other side of the sealing ring abuts against the second groove.

7. The connection structure of the waterproof motherboard and cabinet as described in claim 6, characterized in that, The sealing ring is a frame-shaped gasket; and / or The diameter of the sealing ring is greater than or equal to 6 mm.

8. The connection structure of the waterproof motherboard and cabinet as described in claim 1, characterized in that, The first outer casing plate and the second outer casing plate are fixedly connected by a plurality of fastening bolts and a plurality of fastening nuts, wherein any one of the fastening bolts passes sequentially through the first groove, the sealing gasket assembly and the second groove.

9. The connection structure of the waterproof motherboard and cabinet as described in claim 8, characterized in that, The number of fastening bolts on the same straight line is greater than or equal to 3; and / or The fastening bolt is an M8 bolt.

10. The connection structure of the waterproof motherboard and cabinet as described in claim 8, characterized in that, A first flat washer and a first spring washer are provided between the head of the fastening bolt and the first outer casing plate, and a second flat washer and a second spring washer are provided between the fastening nut and the second outer casing plate.

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