Air switch protection assembly

Abstract

The application relates to the technical field of switch protection, and is an air switch protection assembly which comprises a switch body, a lower connecting mechanism and an upper connecting mechanism, the outer side of the switch body is provided with a shell, the lower part of the front side of the shell is provided with a lower groove with an opening facing forward, the lower side of the shell is provided with a lower wire hole which is communicated with the right part of the lower groove at the upper end, the lower groove is provided with the lower connecting mechanism, and the lower connecting mechanism comprises a fixed block, a connecting sheet, a connecting screw rod and a wire organizer. The application has reasonable and compact structure, the wire hole for connecting the cable is arranged on the upper and lower sides of the shell, the end part of the connecting cable is guided into the groove and wound on the connecting screw rod, the excess part of the connecting cable can be hidden in the groove, the wiring appearance is improved, the upper groove and the lower groove are arranged on the shell outside the switch body, so that the upper groove and the lower groove are isolated from the electrical chamber of the switch body, and the risk of electric shock in the installation and maintenance process is reduced.

Description

Technical Field

[0001] This invention relates to the field of switch protection technology, specifically an air switch protection component. Background Technology

[0002] With the continuous advancement of intelligent and networked power distribution system construction, air switches have been widely used in various power communication scenarios such as building power distribution, park power supply, and municipal low-voltage systems. They undertake the function of power transmission and have become a key carrier to ensure the stable operation of the end nodes of the power distribution network. In the daily operation of the power system, the power load conditions are complex and variable, the power supply circuit is in a state of uninterrupted operation for a long time, and the electrical equipment faces multiple challenges such as current surges, temperature fluctuations, and harmonic interference, which puts forward higher requirements for safety and reliability.

[0003] In existing technologies, the cable connection area of ​​an air switch is located in the same chamber as other conductive components, which makes it easy to accidentally touch surrounding electrical components when performing cable connection operations. This not only increases the risk of electric shock and short circuits during installation and maintenance, but also increases the difficulty of operation. In addition, the existing structure does not provide good cable fixation, and mostly relies on simple crimping or plugging methods. Under long-term vibration, equipment movement, or accidental pulling by external forces, the wires are prone to loosening, increased contact resistance, or even complete detachment, which can lead to power outages and other faults, seriously affecting the stability and reliability of electrical equipment. Summary of the Invention

[0004] This invention provides an air switch protection component that overcomes the shortcomings of the prior art and effectively solves the problems of difficult operation and poor cable fixing of existing air switches.

[0005] The technical solution of the present invention is achieved through the following measures: An air switch protection assembly includes a switch body, a lower connecting mechanism, and an upper connecting mechanism. The switch body has a housing on its outer side, and a lower groove with an opening facing forward is provided on the lower front side of the housing. A lower wire hole with its upper end communicating with the right side of the lower groove is provided on the lower side of the housing. The lower connecting mechanism is provided in the lower groove. The lower connecting mechanism includes a fixing block, a connecting piece, a connecting screw, and a cable organizer. A fixing block is fixedly installed on the left side of the lower groove. A connecting piece electrically connected to the corresponding position of the switch body is provided on the right side of the fixing block. A threaded through hole is provided on the right side of the connecting piece. A connecting screw with its left end rotatably installed together with the fixing block is screwed into the threaded through hole. A cable organizer for fixing the lower connecting cable passing through the lower wire hole is provided at the lower part of the lower groove corresponding to the position below the connecting screw. An upper groove with an opening facing forward is provided on the upper front side of the housing. An upper wire hole with its lower end communicating with the right side of the upper groove is provided on the upper side of the housing. An upper connecting mechanism with the same structure as the lower connecting mechanism is provided in the upper groove.

[0006] The following are further optimizations and / or improvements to the above-mentioned technical solution: The aforementioned cable management device may include a fixed frame, a fixed rod, and an elastic reset component. The fixed frame is fixedly installed in the groove at the lower right position of the corresponding connecting screw. The fixed frame has a rectangular frame structure. The left side of the fixed frame has a sliding hole that runs through it from left to right. The right end of the fixed rod passes through the sliding hole and is located inside the fixed frame. A limiting ring located inside the fixed frame is fixed to the outside of the right end of the fixed rod. An elastic reset component is provided between the limiting ring and the inner side of the fixed frame.

[0007] A gap may be provided between the lower part of the aforementioned fixing rod and the lower inner wall of the groove, and a gap may be provided between the upper part of the fixing rod and the connecting screw.

[0008] The aforementioned fixing rod may be fitted with a guide rod whose right end is fixedly installed together with the inner right side of the fixing frame, and the elastic reset component is fitted on the outer right side of the guide rod.

[0009] The switch body may have a handle on the right side, and a box-shaped protective shell is provided on the outside of the handle. The upper left side of the protective shell is hinged to the right side of the body.

[0010] The lower left side of the aforementioned protective shell may be provided with a through slot, in which a card plate is fixedly installed on the left side and the right side of the shell.

[0011] The aforementioned card is made of rubber.

[0012] The present invention has a reasonable and compact structure. The present application provides through holes on the upper and lower sides of the housing for connecting cables to pass through, guiding the end of the connecting cable into the groove and wrapping it around the connecting screw. This can hide the excess part of the connecting cable in the groove, improving the aesthetics of the wiring. The upper and lower grooves are set on the housing outside the switch body, which isolates the upper and lower grooves from the electrical compartment of the switch body, reducing the risk of electric shock during installation and maintenance. Attached Figure Description

[0013] Appendix Figure 1 This is a schematic diagram of the main view structure when used in Embodiments 1 to 7 of the present invention.

[0014] Appendix Figure 2 This is a three-dimensional structural diagram of the present invention in use according to embodiments one to seven.

[0015] Appendix Figure 3 This is a three-dimensional structural diagram of the cable organizer in Embodiments 2 to 7 of the present invention.

[0016] Appendix Figure 4 This is a three-dimensional structural diagram of the protective shell in embodiments five to seven of the present invention.

[0017] The codes in the attached diagram are as follows: 1 is the switch body, 2 is the upper connecting mechanism, 3 is the housing, 4 is the lower groove, 5 is the fixing block, 6 is the connecting piece, 7 is the connecting screw, 8 is the lower connecting cable, 9 is the upper groove, 10 is the upper wire hole, 11 is the fixing frame, 12 is the fixing rod, 13 is the elastic reset component, 14 is the limit ring, 15 is the guide rod, 16 is the handle, 17 is the protective shell, 18 is the rotating shaft, 19 is the slot, and 20 is the card plate. Detailed Implementation

[0018] The present invention is not limited to the following embodiments, and the specific implementation can be determined according to the technical solution of the present invention and the actual situation.

[0019] In this invention, for ease of description, the description of the relative positions of the components is based on the appendix to the specification. Figure 1 The layout is described using a diagrammatic method, such as the positional relationships of front, back, top, bottom, left, and right, which are based on the instructions attached. Figure 1 The orientation of the layout is determined by the direction of the map.

[0020] The present invention will be further described below with reference to embodiments and accompanying drawings: Example 1: As shown in the attached document Figure 1 , 2 As shown, the air switch protection assembly includes a switch body 1, a lower connecting mechanism, and an upper connecting mechanism 2. The switch body 1 has a housing 3 on its outer side. The lower front side of the housing 3 has a downward groove 4 with an opening facing forward. The lower side of the housing 3 has a lower wire hole with its upper end communicating with the right side of the lower groove 4. The lower connecting mechanism is located inside the lower groove 4. The lower connecting mechanism includes a fixing block 5, a connecting piece 6, a connecting screw 7, and a cable organizer. The fixing block 5 is fixedly installed on the left side of the lower groove 4. The right side of the fixing block 5 has a connecting piece 6 that is electrically connected to the corresponding position of the switch body 1. The right side of the connecting piece 6 has a threaded through hole. The connecting screw 7, with its left end rotatably installed with the fixing block 5, is screwed into the threaded through hole. The lower part of the lower groove 4, corresponding to the position below the connecting screw 7, has a cable organizer for fixing the lower connecting cable 8 that passes through the lower wire hole. The upper front side of the housing 3 has an upper groove 9 with an opening facing forward. The upper side of the housing 3 has an upper wire hole 10 with its lower end communicating with the right side of the upper groove 9. The upper groove 9 has an upper connecting mechanism 2 with the same structure as the lower connecting mechanism.

[0021] According to the requirements, the connecting piece 6 is made of conductive material to achieve circuit conduction. The connecting piece 6 is L-shaped, which makes it convenient to clamp the connecting cable when it is close to the fixing block 5. The upper side of the connecting piece 6 is electrically connected to the output end of the switch body 1, and the upper connecting mechanism 2 is electrically connected to the input end of the switch body 1. In order to improve the sealing and safety of the upper groove 9 and the lower groove 4, a cover plate is hinged and installed in both the upper groove 9 and the lower groove 4. This application provides wire-passing holes on the upper and lower sides of the housing 3 for the connecting cable to pass through, guiding the end of the connecting cable into the groove and wrapping it around the connecting screw 7. This can hide the excess part of the connecting cable in the groove, improving the aesthetics of the wiring. The upper groove 9 and the lower groove 4 are set on the housing 3 outside the switch body 1, which isolates the upper groove 9 and the lower groove 4 from the electrical chamber of the switch body 1, reducing the risk of electric shock during installation and maintenance.

[0022] The above-mentioned air switch protection components can be further optimized and / or improved according to actual needs: Example 2: As an optimization of the above examples, as shown in the appendix. Figure 1 , 2 As shown in Figure 3, the cable organizer includes a fixed frame 11, a fixed rod 12, and an elastic reset member 13. The fixed frame 11 is fixedly installed in the lower groove 4 at the lower right position of the connecting screw 7. The fixed frame 11 is a rectangular frame structure. The left side of the fixed frame 11 has a sliding hole that runs through it. The right end of the fixed rod 12 passes through the sliding hole and is located inside the fixed frame 11. A limiting ring 14 located inside the fixed frame 11 is fixed to the outside of the right end of the fixed rod 12. An elastic reset member 13 is provided between the limiting ring 14 and the inner side of the fixed frame 11.

[0023] Depending on the requirements, the cross-section of the fixing rod 12 is rectangular or circular, and the elastic reset element 13 is a known cylindrical compression spring. During use, under the action of the elastic reset element 13, the fixing rod 12 can, on the one hand, press the bent part of the lower connecting cable 8 passing through the lower cable hole against the right side of the connecting piece 6 to prevent the lower connecting cable 8 from becoming loose. On the other hand, the lower outer side of the fixing rod 12 and the lower inner wall of the lower groove 4 can clamp the lower connecting cable 8. In this way, when the lower connecting cable 8 is subjected to tension, it can prevent the lower connecting cable 8 from becoming loose between the lower connecting cable 8 and the connecting piece 6, thereby avoiding malfunctions or accidents caused by poor contact between the lower connecting cable 8 and the connecting piece 6.

[0024] The setting of the limiting ring 14 can not only increase the effective area of ​​the elastic reset member 13, but also limit the fixing rod 12, preventing the right end of the fixing rod 12 from moving to the left of the fixing frame 11. The elastic force applied to the fixing rod 12 by the elastic reset member 13 allows the fixing rod 12 to automatically pop out and press against the lower connecting cable 8 after it is bent and inserted into the groove. In this way, even if it is subjected to vibration or external force during long-term use, the lower connecting cable 8 will not loosen or fall off, thus enhancing the stability and reliability of the wiring.

[0025] Example 3: As an optimization of the above examples, as shown in the appendix. Figure 1 , 2 As shown, there is a gap between the lower part of the fixing rod 12 and the lower inner wall of the groove 4, and there is a gap between the upper part of the fixing rod 12 and the connecting screw 7.

[0026] The distance between the lower part of the fixing rod 12 and the lower inner wall of the lower groove 4 is the same as the distance between the upper part of the fixing rod 12 and the connecting screw 7, and it is just enough to accommodate the lower connecting cable 8 bent into two sections. The lower connecting cable 8 is guaranteed a certain amount of redundancy in the lower groove 4, which facilitates the connection with the connecting piece 6, and also facilitates multiple connections and maintenance after the lower connecting cable 8 is cut shorter. At the same time, the left end of the fixing rod 12 provides auxiliary fixation for the bent lower connecting cable 8. In this way, the lower connecting cable 8 can be radially compressed and axially fixed, making the installation of the lower connecting cable 8 in the lower groove 4 more secure.

[0027] Example 4: As an optimization of the above examples, as shown in the appendix. Figure 1 , 2 As shown in Figure 3, a guide rod 15 is installed inside the fixed rod 12, with its right end fixedly installed to the inner right side of the fixed frame 11. An elastic reset member 13 is installed on the outer right side of the guide rod 15.

[0028] During use, the guide rod 15 can improve the parallelism between the fixed rod 12 and the bottom wall of the lower groove 4 when the fixed rod 12 moves left and right. This can prevent the lower connecting cable 8 from being squeezed and damaged when the fixed rod 12 swings up and down, or the lower connecting cable 8 from becoming loose when the distance between the fixed rod 12 and the bottom wall of the lower groove 4 increases. At the same time, the guide rod 15 can also limit the elastic reset member 13, preventing the elastic reset member 13 from detaching from the fixed frame 11 after being pressed.

[0029] During assembly, the end of the lower connecting cable 8 enters the lower groove 4 through the lower wire hole, and then wraps around the right end of the connecting screw 7 several times before being positioned between the connecting piece 6 and the fixing block 5. Then, the connecting screw 7 is tightened, causing the connecting piece 6 to move to the right. Finally, the connecting piece 6 and the fixing block 5 press and fix the end of the lower connecting cable 8, achieving reliable electrical contact with the switch body 1. Subsequently, the lower connecting cable 8 between the lower wire hole and the connecting screw 7 is bent into a Z-shape, and the lower connecting cable 8 is placed between the connecting screw 7 and the bottom wall of the lower groove 4. The left end of the fixing rod 12 is pressed against the bent part of the lower connecting cable 8 under the action of the elastic reset member 13. In this way, the surface of the lower connecting cable 8 can be fixed to prevent the lower connecting cable 8 from loosening due to vibration or external force. The same operation can be performed on the upper connecting cable.

[0030] Example 5: As an optimization of the above examples, as shown in the appendix. Figure 1 , 2 As shown in Figure 4, a handle 16 is provided on the right side of the switch body 1, and a box-shaped protective shell 17 is provided on the outside of the handle 16. The upper left side of the protective shell 17 is hinged to the right side of the shell 3.

[0031] As required, the right side of the housing 3 has an operating hole that connects the inside and outside. The right end of the handle 16 passes through the operating hole. The operating hole facilitates the operation of the handle 16. By rotating the handle 16, the switch body 1 is switched on or off, thereby connecting or disconnecting the upper connecting cable and the lower connecting cable 8. The upper left side of the protective housing 17 is hinged to the right side of the switch body 1 via a pivot 18. The protective housing 17 has a box structure with an opening at the left end. During use, the protective housing 17 prevents environmental factors such as dust and moisture from corroding the handle 16, extending the service life of the handle 16 and its internal mechanisms.

[0032] Example 6: As an optimization of the above examples, as shown in the appendix Figure 1 , 2 As shown in Figure 4, the lower left side of the protective shell 17 is provided with a through slot 19, and a card plate 20 is fixedly installed on the left side of the shell 3.

[0033] As needed, a connecting plate can be fixed on the lower side of the protective shell 17. The left side of the connecting plate is provided with a through slot 19. The lower left side of the protective shell 17 is provided with a slot 19. Together with the card plate 20 provided on the right side of the shell 3, the protective shell 17 can be quickly fixed after covering the handle 16. This not only prevents accidental opening due to vibration of the switch body 1 or external force, but also facilitates opening during subsequent maintenance, making the use of the protective shell 17 more reliable and daily operation and maintenance more convenient.

[0034] Example 7: As an optimization of the above example, the material of the card plate 20 is rubber.

[0035] The card plate 20 is made of deformable and resilient synthetic rubber, which ensures reliable engagement between the card slot 19 and the card plate 20 when closed, and can also generate elastic deformation when opened to smoothly disengage, making the opening and closing of the protective shell smoother.

[0036] After the handle 16 is finished using, rotate the protective shell 17 clockwise downwards around the pivot 18 so that the protective shell 17 completely covers the outside of the handle 16. As the protective shell 17 rotates downwards, the slot 19 gradually approaches and fits onto the plate 20. The plate 20 undergoes elastic deformation under force. After the slot 19 is fully engaged, the plate 20 immediately springs back to its original shape, thus firmly engaging the slot 19 and the plate 20 together, achieving reliable fixation of the protective shell 17. When it is necessary to operate the handle 16, simply pull the protective shell 17 upwards, and the plate 20 will deform and disengage again, making it easy to open the protective shell 17.

[0037] Under normal use, the operator manually rotates handle 16, which actuates the contacts at the inlet and outlet ends of switch body 1, thereby achieving electrical connection of the circuit. At this time, the current flows sequentially through the upper connecting cable, upper connecting mechanism 2, switch body 1, lower connecting mechanism and lower connecting cable 8 to connect with the electrical equipment, and is in normal working condition. When a short circuit fault occurs in the power supply circuit, handle 16 rotates in the reverse direction and cuts off the circuit.

[0038] During assembly, the end of the lower connecting cable 8 enters the lower groove 4 through the lower wire hole, and then wraps around the right end of the connecting screw 7 several times before being positioned between the connecting piece 6 and the fixing block 5. The connecting screw 7 is then tightened, causing the connecting piece 6 to move to the right. Finally, the connecting piece 6 and the fixing block 5 press and fix the end of the lower connecting cable 8, achieving reliable electrical contact. Subsequently, the lower connecting cable 8 between the lower wire hole and the connecting screw 7 is bent into a Z-shape, and the lower connecting cable 8 is placed between the connecting screw 7 and the bottom wall of the lower groove 4. The left end of the fixing rod 12 is pressed against the bend of the lower connecting cable 8 by the elastic reset member 13, thus fixing the surface of the lower connecting cable 8. Since the lower groove 4 and the upper groove 9 are isolated from the switch body 1, the internal electrical components will not be accidentally touched during the entire wiring operation, improving operational safety.

[0039] The above technical features constitute various embodiments of the present invention, which have strong adaptability and implementation effect. Unnecessary technical features can be added or removed according to actual needs to meet the needs of different situations.

Claims

1. An air switch protection component, characterized in that... The device includes a switch body, a lower connecting mechanism, and an upper connecting mechanism. The switch body has a housing on its outer side. The lower front of the housing has a downward-opening groove. The lower side of the housing has a lower cable hole whose upper end communicates with the right side of the groove. The lower connecting mechanism is located inside the groove. The lower connecting mechanism includes a fixing block, a connecting piece, a connecting screw, and a cable organizer. The fixing block is fixedly installed on the left side of the groove. The right side of the fixing block has a connecting piece that is electrically connected to the corresponding position of the switch body. The right side of the connecting piece has a threaded through hole. The connecting screw, whose left end is rotatably installed with the fixing block, is screwed into the threaded through hole. The lower part of the groove below the connecting screw has a cable organizer for fixing the lower connecting cable that passes through the lower cable hole. The upper front of the housing has a forward-opening groove. The upper side of the housing has an upper cable hole whose lower end communicates with the right side of the groove. The upper groove has an upper connecting mechanism with the same structure as the lower connecting mechanism.

2. The air switch protection assembly according to claim 1, characterized in that... The cable organizer includes a fixed frame, a fixed rod, and a resilient reset component. The fixed frame is fixedly installed in the groove at the lower right position of the connecting screw. The fixed frame has a rectangular frame structure. The left side of the fixed frame has a sliding hole that runs through it. The right end of the fixed rod passes through the sliding hole and is located inside the fixed frame. A limiting ring located inside the fixed frame is fixed to the outside of the right end of the fixed rod. A resilient reset component is provided between the limiting ring and the inside of the fixed frame.

3. The air switch protection assembly according to claim 2, characterized in that... There is a gap between the lower part of the fixing rod and the lower inner wall of the groove, and there is a gap between the upper part of the fixing rod and the connecting screw.

4. The air switch protection assembly according to claim 2 or 3, characterized in that... The fixed rod is fitted with a guide rod whose right end is fixedly installed to the inner side of the right side of the fixed frame, and the elastic reset component is fitted on the outer side of the right side of the guide rod.

5. The air switch protection assembly according to claim 1, 2, or 3, characterized in that... A handle is located on the right side of the switch body. A box-shaped protective shell is provided on the outside of the handle. The upper left side of the protective shell is hinged to the right side of the body.

6. The air switch protection assembly according to claim 4, characterized in that... A handle is located on the right side of the switch body. A box-shaped protective shell is provided on the outside of the handle. The upper left side of the protective shell is hinged to the right side of the body.

7. The air switch protection assembly according to claim 5, characterized in that... The lower left side of the protective shell has a through slot, in which a plate is fixedly installed on the left side and the right side of the shell.

8. The air switch protection assembly according to claim 6, characterized in that... The lower left side of the protective shell has a through slot, in which a plate is fixedly installed on the left side and the right side of the shell.

9. The air switch protection assembly according to claim 7 or 8, characterized in that... The pallet is made of rubber.

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