Assembly process of an explosion-proof and corrosion-resistant circuit breaker and its operating mechanism

Abstract

This invention discloses an assembly process for an explosion-proof and corrosion-resistant circuit breaker and its operating mechanism, belonging to the field of circuit breaker technology. The assembly process for the explosion-proof and corrosion-resistant circuit breaker and its operating mechanism includes an explosion-proof and corrosion-resistant housing and a circuit breaker body. To address the issue of occasional brief discharges between the connector at the bottom of existing circuit breakers and the circuit breaker itself, which, while relatively less hazardous, can still cause instrument malfunctions under certain circumstances, a receiving sleeve is provided on the inner side of the switch block end and the button end. A connecting spindle is provided between the receiving sleeves, and a return spring is provided on the outer side of the connecting spindle. When a discharge occurs at the switch block, the return spring can transfer the current sensed at the switch block end to the button end. At this time, the button spring below the test button, upon sensing the current, will automatically push the test button out or retract, thereby closing the switch block through the reset circuit breaker linkage to achieve power-off protection operation.

Description

Technical Field

[0001] This invention relates to the field of circuit breaker technology, specifically to an assembly process for an explosion-proof and corrosion-resistant circuit breaker and its operating mechanism. Background Technology

[0002] A circuit breaker is a switching device capable of closing, carrying, and interrupting current under normal circuit conditions and closing, carrying, and interrupting current under abnormal circuit conditions within a specified time. It can be used to distribute electrical energy, infrequently start asynchronous motors, and protect power lines and motors. When serious overloads, short circuits, or undervoltage faults occur, it can automatically disconnect the circuit. Its function is equivalent to a combination of a fuse switch and over / under-temperature relays. Furthermore, it generally does not require replacement of components after interrupting a fault current.

[0003] A brief discharge sometimes occurs between the connector at the bottom of the existing circuit breaker switch and the circuit breaker itself. Although the hazard is relatively reduced, it can still cause instrument failure under certain circumstances. Therefore, this does not meet the current requirements. To address this, an assembly process for an explosion-proof and corrosion-resistant circuit breaker and its operating mechanism is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide an assembly process for an explosion-proof and corrosion-resistant circuit breaker and its operating mechanism. The reset spring can transmit the current sensed at the toggle end to the button end. At this time, the button spring under the test button will automatically push the test button out or retract after sensing the current, thereby driving the switch toggle to close through the reset circuit breaker linkage, realizing the power failure protection operation, which can solve the problems in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an explosion-proof and corrosion-resistant circuit breaker, comprising an explosion-proof and corrosion-resistant housing and a circuit breaker body, wherein the circuit breaker body is disposed inside the explosion-proof and corrosion-resistant housing and is connected to the explosion-proof and corrosion-resistant housing by screws; a switch lever is disposed on the top of the circuit breaker body and an operating mechanism for reciprocatingly moving the switch lever is operated on the outside of the explosion-proof and corrosion-resistant housing; a switch key is disposed at the bottom of the switch lever and is integrally formed with the switch lever; the switch lever is rotatably connected to the circuit breaker body via the switch key; a reset circuit breaker linkage is disposed on the outside of the switch key; a button spring is disposed at the other end of the reset circuit breaker linkage and is slidably connected to the circuit breaker body.

[0006] Preferably, the reset circuit breaker link includes a toggle end and a button end. One end of the toggle end and the button end is provided with a coupling clamp, and the coupling clamp is fixedly connected to the toggle end and the button end. The inner side of the toggle end and the button end is provided with a storage sleeve shaft, and the storage sleeve shaft is fixedly connected to the toggle end and the button end.

[0007] Preferably, an adapter spindle is provided between the storage sleeve shafts, and the adapter spindle is telescopically connected to the storage sleeve shaft. A return spring is provided on the outside of the adapter spindle, and the return spring is connected to the toggle end and the button end through a slot. The toggle end is connected to the switch shaft key through a coupling clamp, and the button end is connected to the button spring through a coupling clamp.

[0008] Preferably, the operating mechanism includes an operating shaft and an operating bracket. The operating bracket is fixed inside the corrosion-resistant and explosion-proof housing. The operating bracket has multiple guide rods arranged along the toggle direction of the switch block. A slide block is slidably arranged on the guide rod. The slide block has parallel toggle plates located on both sides of the switch block facing the switch block. The other side of the slide block facing the switch block has a linkage groove perpendicular to the sliding direction. The operating shaft is rotatably mounted on the corrosion-resistant and explosion-proof housing. One end of the shaft is located outside the corrosion-resistant and explosion-proof housing and serves as the rotating end. The other end is located inside the corrosion-resistant and explosion-proof housing and serves as the transmission end. The transmission end is fixedly equipped with a swing arm. The swing arm is equipped with a linkage pin that extends into the linkage groove and forms a linkage engagement between the transmission end and the slide block.

[0009] Preferably, the parallel dial plate has a clearance groove on its side, and the operating bracket has bends on both sides to guide the guide rod. The two ends of the guide rod pass through the bends on both sides and are fixed by riveting. It also includes a test operating rod. The circuit breaker body is provided with a test button, and the test button is connected to the button spring. The test operating rod is axially sliding with the anti-corrosion and explosion-proof shell. One end of the rod is located outside the anti-corrosion and explosion-proof shell as a pressing end, and the other end is located inside the anti-corrosion and explosion-proof shell as a pressing end that abuts against the test button.

[0010] Preferably, the corrosion-resistant and explosion-proof housing has multiple first destructible areas on the same end face of the operating shaft extending out of the corrosion-resistant and explosion-proof housing, and multiple wiring positions are arranged side by side on the corrosion-resistant and explosion-proof housing. Each wiring position is covered with a dust cover, and creepage grooves are provided between adjacent wiring positions. The dust cover is provided with creepage ribs that are inserted into the creepage grooves.

[0011] Preferably, the dust cover is provided with a locking foot that fits into the corrosion-resistant and explosion-proof shell, the dust cover has a deformation notch on the side of the locking foot, and the dust cover has a second destructible area corresponding to each wiring position.

[0012] Preferably, the corrosion-resistant and explosion-proof housing includes a base and a cover. The base is surrounded by explosion-proof protrusions, and the cover is provided with explosion-proof grooves for inserting the explosion-proof protrusions. A sealing space for installing a sealing ring is formed between the end of the explosion-proof protrusion and the explosion-proof groove, and the explosion-proof groove is filled with sealant.

[0013] Preferably, the corrosion-resistant and explosion-proof shell is provided with injection-molded and fixed conductive posts, the conductive posts are provided with external connecting ends located outside the corrosion-resistant and explosion-proof shell, the external connecting ends are provided with conductive sheets and fixing bolts for fixing the conductive sheets, the conductive sheets are surrounded by wire clamping rings, the conductive sheets are provided with anti-slip positions, and the wire clamping rings are provided with wire clamping bolts for pressing the cable to the conductive sheets.

[0014] An assembly process for the operating mechanism of an explosion-proof and corrosion-resistant circuit breaker includes the following steps:

[0015] Step 1: First, connect and fix the circuit breaker body to the base. Then, align the parallel dial at the bottom of the operating bracket with the switch block at the top of the circuit breaker body and lock it in place. Before locking, the parallel dial and switch block need to be reset.

[0016] Step 2: Next, install the anti-corrosion and explosion-proof housing on top of the circuit breaker body and base, and fix the base to the anti-corrosion and explosion-proof housing with screws. During the installation process, align the operating shaft on the top of the anti-corrosion and explosion-proof housing with the swing arm above the parallel dial plate.

[0017] Step 3: After the outer shell is fixed, the dust cover is assembled and fixed at both ends. The dust cover is fitted with the anti-corrosion and explosion-proof outer shell by clips. At the same time, deformation notches are provided on the surface of the dust cover to make the clips more flexible and easy to install.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. In this invention, the reset circuit breaker linkage is composed of a toggle end and a button end. One end of both the toggle end and the button end is provided with a coupling clamp. A storage sleeve shaft is provided on the inner side of the toggle end and the button end. A converter core shaft is provided between the storage sleeve shafts and is telescopically connected to the storage sleeve shaft. A reset spring is provided on the outer side of the converter core shaft. When a discharge phenomenon occurs at the switch toggle, the reset spring can transmit the current sensed at the toggle end to the button end. At this time, the button spring under the test button will automatically push the test button out or retract after sensing the current, thereby driving the switch toggle to close through the reset circuit breaker linkage to realize the power failure protection operation.

[0020] 2. In this invention, the circuit breaker body is generally located between adjacent switch blocks and has protruding ribs. By adding clearance grooves, the distance between the parallel dial plate and the switch blocks is reduced, while avoiding the protruding ribs from obstructing the movement of the switch blocks, thus further improving the operating experience. The slide block slides stably on the guide rod, and the parallel dial plate under the slide block is always in a limited-position cooperation with the switch blocks, so that the rotating operating shaft is always subject to the rated damping of the switch blocks, avoiding the feeling of jerking, thereby improving the operating experience.

[0021] 3. In this invention, the dust cover is fitted with the anti-corrosion and explosion-proof shell by means of clips, making disassembly and assembly more convenient. Due to the addition of creepage ribs, the deformation difficulty of the dust cover is increased. Therefore, deformation notches are added to make the clip position easier to deform, further improving the ease of disassembly and assembly. At the same time, the explosion-proof ridge and explosion-proof groove work together to increase the explosion-proof gap length at the connection between the base and the shell. Combined with the sealing ring and sealant, the explosion-proof performance is further enhanced. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the internal structure of the circuit breaker body of the present invention;

[0023] Figure 2 This is a schematic diagram of the reset circuit breaker linkage structure of the present invention;

[0024] Figure 3 This is a schematic diagram of the overall assembly structure of the present invention;

[0025] Figure 4 This is a schematic diagram of the overall assembly cross-sectional structure of the present invention;

[0026] Figure 5 This is an exploded view of the test operation lever of the present invention;

[0027] Figure 6 This is a schematic diagram of the dust cover installation structure of the present invention;

[0028] Figure 7 This is a schematic diagram of the inner structure of the dust cover of the present invention.

[0029] In the diagram: 1. Corrosion-resistant and explosion-proof housing; 2. Circuit breaker body; 3. Conductive post; 11. Operating shaft; 12. Operating bracket; 13. Test operating lever; 14. First destructible area; 15. Wiring position; 16. Dust cover; 17. Base; 18. Cover; 19. Reset circuit breaker linkage; 121. Guide rod; 122. Slide; 123. Bending; 1221. Parallel lever; 1222. Linkage groove; 12211. Clearance groove; 21. Switch lever; 22. Test button; 23. Switch shaft key; 24. Button spring; 31. External connection terminal; 32. Conductive sheet; 33. Fixing bolt; 34. Wire clamping ring; 35. Wire clamping ring. Bolt; 36. Internal connection end; 111. Rotating end; 112. Transmission end; 113. Swing arm; 114. Linkage pin; 131. Pressing end; 132. Pressing end; 133. Limiting plate; 151. Climbing groove; 161. Climbing rib; 162. Clamping foot; 163. Deformation notch; 164. Second destructible area; 165. Interface window; 166. Insulating sealant; 167. Spring clamp; 171. Explosion-proof protrusion; 181. Explosion-proof groove; 182. Sealing ring; 191. Toggle block end; 192. Storage sleeve shaft; 193. Button end; 194. Return spring; 195. Coupling lock; 196. Adapter spindle. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Please see Figure 1-2 This invention provides an embodiment of an explosion-proof and corrosion-resistant circuit breaker, comprising an explosion-proof and corrosion-resistant housing 1 and a circuit breaker body 2. The circuit breaker body 2 is disposed inside the explosion-proof and corrosion-resistant housing 1, and the circuit breaker body 2 and the explosion-proof and corrosion-resistant housing 1 are connected by screws. A switch lever 21 is disposed on the top of the circuit breaker body 2, and an operating mechanism for reciprocatingly moving the switch lever 21 is located outside the explosion-proof and corrosion-resistant housing 1. A switch shaft key 23 is disposed at the bottom of the switch lever 21, and the switch shaft key 23 and the switch lever 21 are integrally formed. The switch lever 21 is connected via... The switch key 23 is rotatably connected to the circuit breaker body 2, and a reset circuit breaker linkage 19 is provided on the outside of the switch key 23. A button spring 24 is provided at the other end of the reset circuit breaker linkage 19, and the button spring 24 is slidably connected to the circuit breaker body 2. The button spring 24 is located below the test button 22, and the two are connected and fixed by a spring mechanism. When the test button 22 is pressed down or raised, it will drive the button spring 24 to move. The button spring 24 is connected to the switch key 23 at the bottom of the switch block 21 by the reset circuit breaker linkage 19.

[0032] The reset circuit breaker linkage 19 includes a toggle end 191 and a button end 193. A coupling clamp 195 is provided at one end of both the toggle end 191 and the button end 193, and the coupling clamp 195 is fixedly connected to the toggle end 191 and the button end 193. A receiving sleeve shaft 192 is provided on the inner side of the toggle end 191 and the button end 193, and the receiving sleeve shaft 192 is fixedly connected to the toggle end 191 and the button end 193. A connecting spindle 196 is provided between the receiving sleeve shafts 192, and the connecting spindle 196 is telescopically connected to the receiving sleeve shaft 192. A reset spring 194 is provided on the outer side of the connecting spindle 196. When the switch is toggleed... When a discharge occurs at block 21, the reset spring 194 can transmit the current sensed by the toggle end 191 to the button end 193. At this time, the button spring 24 below the test button 22 will automatically push the test button 22 out or retract after sensing the current, thereby driving the switch block 21 to close through the reset circuit breaker linkage 19, realizing the power-off protection operation. The reset spring 194 is connected to the toggle end 191 and the button end 193 through a slot. The toggle end 191 is connected to the switch shaft key 23 through the coupling lock 195, and the button end 193 is connected to the button spring 24 through the coupling lock 195.

[0033] Please see Figure 3-7 The operating mechanism includes an operating shaft 11 and an operating bracket 12. The operating bracket 12 is fixed inside the corrosion-resistant and explosion-proof housing 1. Multiple guide rods 121 are arranged on the operating bracket 12 along the toggle direction of the switch block 21. A slide block 122 is slidably mounted on the guide rods 121. Parallel toggle plates 1221 are positioned on both sides of the switch block 21 facing the slide block 21. A linkage groove 1222 perpendicular to the sliding direction is provided on the other side of the slide block 122 facing the switch block 21. The operating shaft 11 is rotatably mounted on the corrosion-resistant and explosion-proof housing 1, with one end located within the corrosion-resistant and explosion-proof housing 1. The outer end of the shell 1 serves as the rotating end 111, while the other end is located inside the corrosion-resistant and explosion-proof shell 1 as the transmission end 112. The transmission end 112 is fixedly equipped with a swing arm 113. The swing arm 113 is equipped with a linkage pin 114 that extends into the linkage groove 1222 and forms a linkage between the transmission end 112 and the slide 122. The slide 122 slides stably on the guide rod 121. The parallel dial plate 1221 below the slide 122 is in constant limiting engagement with the switch dial 21, so that the rotating operating shaft 11 is always subjected to the rated damping of the switch dial 21, avoiding jerking sensation and thus improving the operating experience.

[0034] The parallel lever 1221 has a clearance groove 12211 on its side. The circuit breaker body 2 is located between adjacent switch levers 21 and generally has a rib. The clearance groove 12211 is added to reduce the distance between the parallel lever 1221 and the switch lever 21 while avoiding the rib from obstructing the movement of the switch lever 21, thus further improving the operating experience.

[0035] The operating bracket 12 has bends 123 on both sides of the guide rod 121. The two ends of the guide rod 121 pass through the bends 123 on both sides and are fixed by riveting. The integrated operating bracket 12 ensures the overall strength. The two ends of the guide rod 121 are riveted to the bends 123 of the operating bracket 12. They interact with each other to ensure the stability of both, thereby improving the smoothness of the sliding block 122.

[0036] It also includes a test operating lever 13. The circuit breaker body 2 is equipped with a test button 22. The test operating lever 13 is axially slidingly engaged with the anti-corrosion and explosion-proof housing 1. One end of the lever is located outside the anti-corrosion and explosion-proof housing 1 as a pressing end 131, and the other end is located inside the anti-corrosion and explosion-proof housing 1 as a pressing end 132, which abuts against the test button 22. The circuit breaker body 2 also has a test button 22 for testing leakage current. Through the test operating lever 13, the anti-corrosion and explosion-proof housing 1 has the function of pressing the test button 22, thereby making the function more diversified. The test operating lever 13 is provided with a limit plate 133 inside the anti-corrosion and explosion-proof housing 1, and the operating bracket 12 is provided with a hole for the test operating lever 13 to pass through.

[0037] The corrosion-resistant and explosion-proof housing 1 has multiple first destructible areas 14 on the same end face of the operating shaft 11 extending from the corrosion-resistant and explosion-proof housing 1. In order to improve the adaptability of the corrosion-resistant and explosion-proof housing 1, multiple first destructible areas 14 are provided on the same end face of the operating shaft 11 extending from the corrosion-resistant and explosion-proof housing 1. Different first destructible areas 14 can be destroyed according to different devices, including leakage circuit breakers, AC contactors, surge protectors, etc., so as to achieve accurate adaptation.

[0038] The corrosion-resistant and explosion-proof housing 1 has multiple wiring positions 15 arranged side by side. Each wiring position 15 is covered with a dust cover 16. A creepage groove 151 is provided between adjacent wiring positions 15. The dust cover 16 is provided with creepage ribs 161 that are inserted into the creepage grooves 151. The creepage ribs 161 increase the strength of the dust cover 16 and, together with the creepage grooves 151, increase the creepage distance, thereby improving safety performance.

[0039] The dust cover 16 is provided with a locking foot 162 that engages with the anti-corrosion and explosion-proof shell 1. The dust cover 16 has a deformation notch 163 on the side of the locking foot 162. The dust cover 16 engages with the anti-corrosion and explosion-proof shell 1 through the locking foot 162, making disassembly and assembly more convenient. Since the creepage rib 161 is added, the deformation difficulty of the dust cover 16 is increased. Therefore, the deformation notch 163 is added to make the locking foot 162 easier to deform, further improving the ease of disassembly and assembly.

[0040] The dust cover 16 is provided with a second destructible area 164 corresponding to each wiring position 15. The addition of the second destructible area 164 to the dust cover 16 means that the wiring position 15 is only destroyed when needed, which improves its practicality. Multiple interface windows 165 are provided on the outer surface of the dust cover 16. The interface windows 165 are used to realize the series connection of the circuit. A spring clamp 167 is provided on the inner side of each interface window 165. The spring clamp 167 is closed in the normal state and will only open when the circuit is connected. At the same time, it can also clamp and fix the circuit. The area where the spring clamp 167 contacts the circuit is covered with insulating adhesive 166, which can play a good role in insulation protection.

[0041] The corrosion-resistant and explosion-proof housing 1 includes a base 17 and a cover 18. An explosion-proof protrusion 171 is arranged around the outer periphery of the base 17. An explosion-proof groove 181 is provided for the insertion of the explosion-proof protrusion 171. A sealing space for installing a sealing ring 182 is formed between the end of the explosion-proof protrusion 171 and the explosion-proof groove 181. The explosion-proof groove 181 is filled with sealant. The explosion-proof protrusion 171 and the explosion-proof groove 181 work together to increase the length of the explosion-proof gap at the connection between the base 17 and the cover 18. The sealing ring 182 and the sealant further enhance the explosion-proof performance.

[0042] The corrosion-resistant and explosion-proof housing 1 is provided with injection-molded and fixed conductive posts 3. The conductive posts 3 are provided with external connection ends 31 located outside the corrosion-resistant and explosion-proof housing 1. The internal connection ends 36 inside the corrosion-resistant and explosion-proof housing 1 are connected to the circuit breaker body 2. The external connection ends 31 are provided with conductive plates 32 and fixing bolts 33 for fixing the conductive plates 32. The conductive plates 32 are surrounded by wire clamping rings 34. The conductive plates 32 are provided with anti-slip textures. The wire clamping rings 34 are provided with wire clamping bolts 35 for pressing the cable onto the conductive plates 32. The injection-molded and fixed conductive posts 3 make the fit with the corrosion-resistant and explosion-proof housing 1 more stable. The external connection ends 31 and the conductive plates 32, as well as the conductive plates 32 and the wire clamping rings 34, are all fixed with bolts, so that the conductive plates 32 and the wire clamping rings 34 can be externally installed after the corrosion-resistant and explosion-proof housing 1 is assembled, thereby improving the ease of assembly.

[0043] An assembly process for the operating mechanism of an explosion-proof and corrosion-resistant circuit breaker includes the following steps:

[0044] Step 1: First, connect and fix the circuit breaker body 2 to the base 17. Then, align the parallel dial 1221 at the bottom of the operating bracket 12 with the switch block 21 at the top of the circuit breaker body 2 and fix it in place. Before fixing, the parallel dial 1221 and the switch block 21 need to be reset.

[0045] Step 2: Then, install the anti-corrosion and explosion-proof housing 1 on top of the circuit breaker body 2 and the base 17, and fix the base 17 to the anti-corrosion and explosion-proof housing 1 with screws. During the installation process, connect the operating shaft 11 on the top of the anti-corrosion and explosion-proof housing 1 with the swing arm 113 above the parallel dial plate 1221.

[0046] Step 3: After the outer shell is fixed, the dust cover 16 is assembled and fixed at both ends. The dust cover 16 is fitted with the anti-corrosion and explosion-proof outer shell 1 by means of the clip 162. At the same time, the surface of the dust cover 16 is also provided with a deformation notch 163, so that the clip 162 is more easily deformed and easy to install.

[0047] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0048] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof and corrosion-resistant circuit breaker, comprising an explosion-proof and corrosion-resistant housing (1) and a circuit breaker body (2), characterized in that: The circuit breaker body (2) is located inside the anti-corrosion and explosion-proof housing (1), and the circuit breaker body (2) and the anti-corrosion and explosion-proof housing (1) are connected by screws. A switch block (21) is provided on the top of the circuit breaker body (2), and an operating mechanism for reciprocating the switch block (21) is provided on the outside of the anti-corrosion and explosion-proof housing (1). A switch shaft key (23) is provided at the bottom of the switch block (21), and the switch shaft key (23) and the switch block (21) are integrated into one structure. The switch block (21) is rotatably connected to the circuit breaker body (2) through the switch shaft key (23), and the outside of the switch shaft key (23) is provided at one end of the reset circuit breaker linkage (19). A button spring (24) is provided at the other end of the reset circuit breaker linkage (19), and the button spring (24) is slidably connected to the circuit breaker body (2). The reset circuit breaker linkage (19) includes a toggle end (191) and a button end (193). One end of the toggle end (191) and one end of the button end (193) are provided with a coupling clamp (195), and the coupling clamp (195) is fixedly connected to the toggle end (191) and the button end (193) respectively. The other end of the toggle end (191) and the other end of the button end (193) are provided with a storage sleeve shaft (192), and the storage sleeve shaft (192) is fixedly connected to the toggle end (191) and the button end (193) respectively. A connecting spindle (196) is provided between the storage sleeve shafts (192), and the connecting spindle (196) is telescopically connected to the storage sleeve shafts (192). A return spring (194) is provided on the outside of the connecting spindle (196), and the return spring (194) is connected to the toggle end (191) and the button end (193) through a slot. The toggle end (191) is connected to the switch shaft key (23) through a connecting shaft lock (195), and the button end (193) is connected to the button spring (24) through a connecting shaft lock (195).

2. The explosion-proof and corrosion-resistant circuit breaker according to claim 1, characterized in that: The operating mechanism includes an operating shaft (11) and an operating bracket (12). The operating bracket (12) is fixed inside the corrosion-resistant and explosion-proof housing (1). Multiple guide rods (121) are arranged on the operating bracket (12) along the toggle direction of the switch block (21). A slide block (122) is slidably mounted on each guide rod (121). Parallel toggle plates (1221) are located on both sides of the switch block (21) on one side of the slide block (122). On the other side of the slide block (122), a [missing information - likely a design feature] is provided. A linkage groove (1122) with a vertical sliding direction is provided. The operating shaft (11) is rotatably mounted on the anti-corrosion and explosion-proof housing (1). One end of the operating shaft (11) is located outside the anti-corrosion and explosion-proof housing (1) and serves as a rotating end (111). The other end of the operating shaft (11) is located inside the anti-corrosion and explosion-proof housing (1) and serves as a transmission end (112). The transmission end (112) is fixedly provided with a swing arm (113). The swing arm (113) is provided with a linkage pin (114) that extends into the linkage groove (1122) and forms a linkage engagement between the transmission end (112) and the slide (122).

3. The explosion-proof and corrosion-resistant circuit breaker according to claim 2, characterized in that: The parallel dial (1221) has a clearance groove (12211) on its side. The operating bracket (12) has bends (123) on both sides of the guide rod (121). The two ends of the guide rod (121) pass through the bends (123) on both sides and are fixed by riveting. The operating bracket (12) also includes a test operating rod (13). The circuit breaker body (2) is provided with a test button (22), and the test button (22) is connected to the button spring (24). The test operating rod (13) is axially sliding with the anti-corrosion and explosion-proof shell (1). One end of the test operating rod (13) is located outside the anti-corrosion and explosion-proof shell (1) as a pressing end (131), and the other end of the test operating rod (13) is located inside the anti-corrosion and explosion-proof shell (1) as a pressing end (132) and abuts against the test button (22).

4. The explosion-proof and corrosion-resistant circuit breaker according to claim 3, characterized in that: The corrosion-resistant and explosion-proof housing (1) has multiple first destructible areas (14) on the same end face where the operating shaft (11) extends out of the corrosion-resistant and explosion-proof housing (1). The corrosion-resistant and explosion-proof housing (1) has multiple wiring positions (15) arranged side by side. Each wiring position (15) is covered with a dust cover (16). A creepage groove (151) is provided between adjacent wiring positions (15). The dust cover (16) is provided with creepage ribs (161) that are inserted into the creepage groove (151).

5. The explosion-proof and corrosion-resistant circuit breaker according to claim 4, characterized in that: The dust cover (16) is provided with a locking foot (162) that engages with the anti-corrosion and explosion-proof shell (1). The dust cover (16) is provided with a deformation notch (163) on the side of the locking foot (162). The dust cover (16) is provided with a second destructible area (164) corresponding to each wiring position (15).

6. The explosion-proof and corrosion-resistant circuit breaker according to claim 5, characterized in that: The corrosion-resistant and explosion-proof housing (1) includes a base (17) and a cover (18). The base (17) is surrounded by an explosion-proof protrusion (171). The cover (18) is provided with an explosion-proof groove (181) for the explosion-proof protrusion (171) to be inserted. The end of the explosion-proof protrusion (171) and the explosion-proof groove (181) form a sealing space for installing a sealing ring (182). The explosion-proof groove (181) is filled with sealant.

7. The explosion-proof and corrosion-resistant circuit breaker according to claim 6, characterized in that: The anti-corrosion and explosion-proof shell (1) is provided with injection-molded and fixed conductive posts (3). The conductive posts (3) are provided with external connection ends (31) located outside the anti-corrosion and explosion-proof shell (1). The external connection ends (31) are provided with conductive sheets (32) and fixing bolts (33) for fixing the conductive sheets (32). The conductive sheets (32) are surrounded by wire clamping rings (34). The conductive sheets (32) are provided with anti-slip positions. The wire clamping rings (34) are provided with wire clamping bolts (35) for clamping the cable to the conductive sheets (32).

8. An assembly process for the operating mechanism of an explosion-proof and corrosion-resistant circuit breaker, implemented based on the explosion-proof and corrosion-resistant circuit breaker described in claim 7, wherein, Includes the following steps: Step 1: First, connect and fix the circuit breaker body (2) to the base (17) of the anti-corrosion and explosion-proof shell (1). Then, align the parallel dial (1221) at the bottom of the operating bracket (12) on the operating mechanism with the switch block (21) at the top of the circuit breaker body (2) and fix it in place. Before fixing, the parallel dial (1221) and the switch block (21) need to be reset. Step 2: Then, the cover (18) of the anti-corrosion and explosion-proof housing (1) is fitted on top of the circuit breaker body (2) and the base (17), and the base (17) is fixed to the cover (18) of the anti-corrosion and explosion-proof housing (1) with screws. During the installation process, the operating shaft (11) at the top of the anti-corrosion and explosion-proof housing (1) is connected to the swing arm (113) above the parallel dial plate (1221). Step 3: After the anti-corrosion and explosion-proof shell (1) is fixed, the dust cover (16) is assembled and fixed at both ends. The dust cover (16) is fitted with the anti-corrosion and explosion-proof shell (1) by means of the clamp (162). At the same time, a deformation notch (163) is provided on the surface of the dust cover (16) to make the clamp (162) more easily deformable and easy to install.

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