Rail transit one-time forming type power distribution cabinet and clamping structure thereof

Abstract

The application discloses a one-time forming type power distribution cabinet for rail transit and a clamping structure thereof, which comprises adjacent clamping clamps fixedly connected through connecting plates, vice pressing assemblies are installed on the two sides of the connecting plates, main pressing assemblies are installed on the two sides of the clamping clamps, the main pressing assembly comprises two symmetrically fixed first fixed pipes and a connecting shaft rotatably penetratingly installed in the first fixed pipe, the side walls of the connecting shaft are provided with telescopic main pressing arms, and the free ends of the clamping clamps are connected with first clamping ears. The device is provided with the clamping clamps and the connecting plates, and the main pressing assemblies and the vice pressing assemblies are installed on the clamping clamps and the connecting plates; the clamping assembly is disassembled and installed by means of the main pressing assemblies and the vice pressing assemblies; the whole operation steps are simple, the installation is convenient, the adjustment range is large, the clamping structure can be freely adjusted on the bearing rail, the intelligence of the clamping structure is increased, and the safety is high.

Description

Technical Field

[0001] This invention relates to a one-piece molded power distribution cabinet for rail transit and its snap-fit ​​structure. Background Technology

[0002] Distribution cabinets (boxes) are divided into power distribution cabinets (boxes), lighting distribution cabinets (boxes), and metering cabinets (boxes). They are the final-level equipment in the power distribution system. Distribution cabinets are a general term for motor control centers. Distribution cabinets are used in situations where the load is relatively dispersed and there are fewer circuits. Motor control centers are used in situations where the load is concentrated and there are more circuits. They distribute the electrical energy of a certain circuit of the upper-level power distribution equipment to the nearest load. This level of equipment should provide protection, monitoring and control for the load.

[0003] When electrical distribution cabinets are outdoors, they often encounter rainy weather. Existing electrical distribution cabinets only block rainwater to prevent it from entering the cabinet. If water gets inside, it may cause short circuits in the electrical components inside the cabinet.

[0004] Distribution cabinets are divided into power distribution cabinets, lighting distribution cabinets, and metering cabinets, and are the final-level equipment in a power distribution system. Distribution cabinets are a general term for motor control centers. Distribution cabinets are used in situations where the load is relatively dispersed and there are fewer circuits; motor control centers are used in situations where the load is concentrated and there are more circuits. They distribute the electrical energy from a circuit of the upstream power distribution equipment to the nearest load. This level of equipment should provide protection, monitoring, and control for the load.

[0005] Based on the above, the inventors have discovered that existing terminal block rails are directly fixed inside the distribution cabinet by bolts and cannot be moved or adjusted according to actual conditions. Furthermore, the control components are directly fixed and inconvenient to disassemble, repair, or replace, and cannot be adjusted according to actual conditions after installation.

[0006] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and provided a one-piece molded power distribution cabinet for rail transit and its snap-fit ​​structure, in order to achieve a more practical value. Summary of the Invention

[0007] The purpose of this invention is to overcome the shortcomings of the prior art and provide a one-piece molded power distribution cabinet for rail transit and its snap-fit ​​structure.

[0008] A one-piece molded power distribution cabinet for rail transit and its snap-fit ​​structure, comprising multiple snap-fit ​​clips arranged at equal intervals, characterized in that adjacent snap-fit ​​clips are fixedly connected by a connecting plate, and auxiliary pressing assemblies are installed on both sides of the connecting plate, and main pressing assemblies are installed on both sides of the snap-fit ​​clips. The main pressing assembly includes two symmetrically fixed first fixing tubes and a connecting shaft that is rotatably installed through the first fixing tubes. The side walls of the connecting shaft are provided with retractable main pressing arms, and the free ends of the snap-fit ​​clips are connected to first snap-fit ​​ears. The auxiliary pressing assembly includes two symmetrically fixed second fixing tubes. Each of the second fixing tubes has a screw connector inside. One end of the screw connector has a screw joint, and the other end of the screw connector has a notch on its side wall. A rotatable rotating shaft runs through the inside of the screw connector. The side wall of the rotating shaft has an auxiliary pressing arm. The free end of the auxiliary pressing arm passes through the notch and is connected to the second locking lug.

[0009] As a further improvement, the two swivel connectors are arranged symmetrically. The swivel connectors are swivelly connected to the second fixed pipe. The rotation of the swivel connectors causes the notch to rotate, and the notch fixes the auxiliary pressing arm. Therefore, the auxiliary pressing arm rotates with the rotation of the notch, realizing the angle adjustment and fixation of the auxiliary pressing arm. This allows the second locking lug to adapt to more specifications of load-bearing rails, ensuring its fixing effect and stability.

[0010] As a further improvement, the outer side wall of the swivel tube is provided with external threads, and the inner side wall of the second fixed tube is provided with internal threads that are screwed into the external threads. The swivel tube can rotate 360 ​​degrees inside the second fixed tube. During the rotation, it drives the auxiliary pressing arm to move. The auxiliary pressing arm has a large range of movement angles, is easy to adjust, and has higher snap-fit ​​accuracy.

[0011] As a further improvement, both ends of the connecting shaft are screwed with warning nuts. The quality of each connecting shaft and its stability after installation will directly affect the stability and safety of the snap-fit ​​structure. Therefore, it is necessary to monitor the stability of these snap-fit ​​structures on a daily basis. The warning nut is a remote wireless device to prevent screws from loosening. It can replace daily manual monitoring and has GPS positioning function. It can remind managers of a loose nut through mobile phones and computers. When managers are not on site, they can also receive the warning information of the device remotely in real time.

[0012] As a further improvement, the snap-fit ​​clip is U-shaped and symmetrically designed to ensure consistent snap-fit ​​effect on both sides and prevent tilting after installation.

[0013] As a further improvement, the surfaces of the clip and the connecting plate are coated with an insulating coating to enhance their safety.

[0014] A one-piece molded power distribution cabinet for rail transit and its snap-fit ​​structure, comprising a power distribution cabinet body, characterized in that the upper surface of the power distribution cabinet body is provided with symmetrically arranged support plates, the upper surface of the support plates is provided with a main waterproof plate, and the outer side walls of the support plates are all connected with side waterproof plates, the inner side wall of the power distribution cabinet body is provided with multiple load-bearing rails for snap-fitting of the snap-fit ​​structure, and the front of the power distribution cabinet body is provided with an opening, at which a cabinet door is installed.

[0015] As a further improvement, both the main waterproofing membrane and the side waterproofing membrane are arc-shaped, and the surfaces of both the main waterproofing membrane and the side waterproofing membrane are coated with a hydrophobic coating. The arc-shaped main waterproofing membrane and the side waterproofing membrane effectively guide water, prevent rainwater and liquid from accumulating, and the hydrophobic coating accelerates the flow of rainwater and liquid, thereby enhancing the drainage and water guiding effect. Beneficial effects

[0016] This device is equipped with a snap-fit ​​clamp and a connecting plate, on which a main pressing component and a secondary pressing component are installed. The main pressing component and the secondary pressing component are used to disassemble and install the entire snap-fit ​​assembly. The overall operation steps are simple, the installation is convenient, and the adjustment range is large. It can realize the free adjustment of the snap-fit ​​structure on the bearing rail, increasing the intelligence of the snap-fit ​​structure. The double fixing through the main pressing component and the secondary pressing component improves the fixing effect of the snap-fit ​​structure and has a high degree of safety. It solves the shortcomings of the existing technology, which is installed inside the power distribution cabinet and cannot be moved and adjusted according to the actual situation. The control components are directly fixed and inconvenient to disassemble, maintain and replace. At the same time, the control components cannot be adjusted according to the actual situation after installation.

[0017] The device features an arc-shaped main waterproofing plate and side waterproofing plates, which effectively guide water and prevent rainwater and liquid accumulation. The sprayed hydrophobic coating accelerates the flow of rainwater and liquid, enhancing the drainage and water guiding effect.

[0018] This device rotates the notch by rotating the screw tube, and the notch fixes the secondary pressing arm. Therefore, the secondary pressing arm rotates with the rotation of the notch, realizing the angle adjustment and fixation of the secondary pressing arm. This allows the second locking ear to adapt to more specifications of load-bearing rails, ensuring its fixing effect and stability, improving the adjustability of the entire locking structure, with a large adjustment range and high accuracy. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the main body of the power distribution cabinet; Figure 2 This is a schematic diagram of the internal structure of the main body of the power distribution cabinet; Figure 3 This is a side view diagram of the snap-fit ​​structure; Figure 4 This is a schematic diagram of the overall structure of the snap-fit ​​mechanism; Figure 5 This is a schematic diagram of the end face structure of the snap-fit ​​structure; Figure 6 This is a three-dimensional structural diagram of the snap-fit ​​structure; Figure 7 This is a cross-sectional structural diagram of the main body of the power distribution cabinet; 1. Main body of the distribution cabinet 2. Cabinet door 3. Main waterproof plate 4. Support plate 5. Side waterproof plate 6. Load-bearing rail 7. Clip 8. Connecting plate 9. Main pressing arm 10. First fixing pipe 11. Warning nut 12. Secondary pressing arm 13. Connecting shaft 14. First clip ear 15. Screw pipe 16. Second fixing pipe. Detailed Implementation

[0020] To enhance understanding of the present invention, the present invention will be further described in detail below with reference to embodiments and accompanying drawings. These embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.

[0021] like Figures 1-7 The following is a specific embodiment of the present invention: a one-piece molded power distribution cabinet for rail transit and its snap-fit ​​structure, including a power distribution cabinet body 1, a cabinet door 2, a main waterproof plate 3, a support plate 4, a side waterproof plate 5, a load-bearing rail 6, a snap-fit ​​clamp 7, a connecting plate 8, a main pressing arm 9, a first fixing pipe 10, a warning nut 11, a secondary pressing arm 12, a connecting shaft 13, a first snap-fit ​​ear 14, a screw pipe 15, and a second fixing pipe 16.

[0022] A one-piece molded power distribution cabinet for rail transit and its snap-fit ​​structure, comprising multiple snap-fit ​​clips 7 arranged at equal intervals, characterized in that adjacent snap-fit ​​clips 7 are fixedly connected by a connecting plate 8, and auxiliary pressing assemblies are installed on both sides of the connecting plate 8, and main pressing assemblies are installed on both sides of the snap-fit ​​clips 7. The main pressing assembly includes two symmetrically fixed first fixing tubes 10 and a connecting shaft 13 rotatably installed through the first fixing tubes 10. The side walls of the connecting shaft 13 are provided with retractable main pressing arms 9, and the free ends of the snap-fit ​​clips 7 are connected to first snap-fit ​​ears 14. The auxiliary pressing assembly includes two symmetrically fixed second fixing tubes 16. Each of the second fixing tubes 16 has a screw-in tube 15 inside. One end of the screw-in tube 15 has a screw connector, and the other end of the screw-in tube 15 has a notch on its side wall. A rotatable rotating shaft passes through the inside of the screw-in tube 15. The side wall of the rotating shaft is provided with an auxiliary pressing arm 12. The free end of the auxiliary pressing arm 12 passes through the notch and is connected to the second locking ear.

[0023] Two swivel tubes 15 are arranged symmetrically. The swivel tubes 15 are swivelly connected to the second fixed tube 16. The rotation of the swivel tubes 15 drives the notch to rotate, and the notch fixes the auxiliary pressing arm 12. Therefore, the auxiliary pressing arm 12 rotates with the rotation of the notch, realizing the angle adjustment and fixation of the auxiliary pressing arm 12. This allows the second snap-fit ​​ear to adapt to more specifications of load-bearing rails 6, ensuring its fixing effect and stability.

[0024] The outer side wall of the screw-in tube 15 is provided with external threads, and the inner side wall of the second fixed tube 16 is provided with internal threads that are screwed into the external threads. The screw-in tube 15 can rotate 360 ​​degrees inside the second fixed tube 16. During the rotation, it drives the auxiliary pressing arm 12 to move. The auxiliary pressing arm 12 has a large range of movement angles, is easy to adjust, and has higher snap-fit ​​accuracy.

[0025] Both ends of the connecting shaft 13 are screwed with warning nuts 11. The quality of each connecting shaft 13 and its stability after installation will directly affect the stability and safety of the snap-fit ​​structure. Therefore, it is necessary to monitor the stability of these snap-fit ​​structures on a daily basis. The warning nut 11 is a remote wireless device to prevent screws from loosening. It can replace daily manual monitoring and has GPS positioning function. It can remind managers of a loose nut through mobile phones and computers. When managers are not on site, they can also receive the warning information of the device remotely in real time.

[0026] The snap-fit ​​clip 7 is U-shaped and has a symmetrical design to ensure consistent snap-fit ​​effect on both sides and prevent tilting after installation.

[0027] Both the snap-fit ​​clip 7 and the connecting plate 8 are coated with an insulating coating, which improves their safety.

[0028] A one-piece molded power distribution cabinet for rail transit and its snap-fit ​​structure, comprising a power distribution cabinet body 1, characterized in that the upper surface of the power distribution cabinet body 1 is provided with symmetrically arranged support plates 4, the upper surface of the support plates 4 is provided with a main waterproof plate 3, and the outer side walls of the support plates 4 are all connected with side waterproof plates 5, the inner side wall of the power distribution cabinet body 1 is provided with a plurality of load-bearing rails 6 for snap-fitting of the snap-fit ​​structure, and the front of the power distribution cabinet body 1 is provided with an opening, at which a cabinet door 2 is installed.

[0029] Both the main waterproofing membrane 3 and the side waterproofing membrane 5 are arc-shaped. The surfaces of the main waterproofing membrane 3 and the side waterproofing membrane 5 are coated with a hydrophobic coating. The arc-shaped main waterproofing membrane 3 and the side waterproofing membrane 5 effectively guide water, prevent rainwater and liquid from accumulating, and accelerate the flow of rainwater and liquid by spraying a hydrophobic coating, thereby enhancing the drainage and water guiding effect.

[0030] When in use, install the snap-fit ​​structure on the bearing rail as needed. First, press the main pressing arm to open the snap-fit ​​clamp to a certain angle and snap the first snap-fit ​​ear onto the bearing rail. Then, rotate the screw pipe. The rotation of the screw pipe drives the secondary pressing arm to rotate, so that the second snap-fit ​​ear snaps onto the bearing rail, achieving a double fixing effect and improving the snap-fit ​​stability of the snap-fit ​​structure.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

[0032] The above description is merely a preferred embodiment of the present invention, and therefore should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made in accordance with the scope of the patent and the contents of the specification should still fall within the scope of the present invention.

[0033] Finally, 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 it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A snap-fit ​​structure for rail transit, comprising a plurality of snap-fit ​​clips arranged at equal intervals, characterized in that, Adjacent clips are fixedly connected by a connecting plate. Auxiliary pressing components are installed on both sides of the connecting plate, and main pressing components are installed on both sides of the clips. The main pressing component includes two symmetrically fixed first fixing tubes and a connecting shaft that can be rotatably installed inside the first fixing tubes. The side walls of the connecting shaft are provided with retractable main pressing arms. The free ends of the clips are connected to first clip ears. The auxiliary pressing assembly includes two symmetrically fixed second fixing tubes. Each of the second fixing tubes has a screw connector inside. One end of the screw connector has a screw joint, and the other end of the screw connector has a notch on its side wall. A rotatable rotating shaft passes through the inside of the screw connector. The side wall of the rotating shaft has an auxiliary pressing arm. The free end of the auxiliary pressing arm passes through the notch and is connected to the second locking ear. The clip is U-shaped.

2. The snap-fit ​​structure for rail transit according to claim 1, characterized in that, The two rotary connectors are arranged symmetrically.

3. The snap-fit ​​structure for rail transit according to claim 1, characterized in that, The outer side wall of the screw-in tube is provided with external threads, and the inner side wall of the second fixed tube is provided with internal threads that are screwed into the external threads.

4. The snap-fit ​​structure for rail transit according to claim 1, characterized in that, Both ends of the connecting shaft are screwed with warning nuts.

5. The snap-fit ​​structure for rail transit according to claim 1, characterized in that, The surfaces of the clips and connecting plates are coated with an insulating coating.

6. A one-piece molded power distribution cabinet for rail transit using the snap-fit ​​structure as described in any one of claims 1-5, comprising a power distribution cabinet body, characterized in that, The upper surface of the main body of the power distribution cabinet is provided with symmetrically arranged support plates. The upper surface of the support plates is provided with a main waterproof plate, and the outer side walls of the support plates are all connected with side waterproof plates. The inner side wall of the main body of the power distribution cabinet is provided with multiple load-bearing rails for the snap-fit ​​structure. The front of the main body of the power distribution cabinet is provided with an opening, and a cabinet door is installed at the opening.

7. The one-piece molded power distribution cabinet for rail transit according to claim 6, characterized in that, Both the main waterproofing membrane and the side waterproofing membrane are arc-shaped, and both surfaces of the main waterproofing membrane and the side waterproofing membrane are coated with a hydrophobic coating.

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