An easy-to-operate pole-mounted circuit breaker

By designing an easy-to-operate pole-mounted circuit breaker, and utilizing a pressing rod, operating rod, and transmission assembly, simplified opening and closing or energy storage operations are achieved on the ground. This solves the problems of laborious operation and reduced accuracy caused by the high installation position of the pole-mounted circuit breaker, and improves the safety and reliability of operation.

CN122136219APending Publication Date: 2026-06-02咸宁市凯源鑫盛电气有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
咸宁市凯源鑫盛电气有限公司
Filing Date
2026-04-17
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The pole-mounted circuit breaker is installed at a high position and the insulating rod is long, which makes closing or energy storage operations difficult. In addition, the flexible deformation of the long rod affects the operation accuracy and safety.

Method used

An easy-to-operate pole-mounted circuit breaker was designed. By setting up a pressing rod, an operating rod, and an extension sleeve, combined with a transmission component and a pulling component, it allows users to perform opening and closing or energy storage operations on the ground. The pressing rod is moved using the transmission component and the pulling component, simplifying the operation process.

Benefits of technology

This solves the problems of laborious operation and reduced accuracy of pole-mounted circuit breakers, improves the safety and reliability of operation, and ensures operational accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of power transmission and distribution equipment technology, specifically to an easy-to-operate pole-mounted circuit breaker, comprising a circuit breaker body and two mounting bases. The circuit breaker body is equipped with a closing / opening handle and an energy storage handle, both of which are movably mounted with an arc-shaped pressing seat. A horizontal plate is movably mounted on the top of the mounting base. This easy-to-operate pole-mounted circuit breaker, through the provided pressing rod, operating rod, and extension sleeve, allows the user to grasp the handle and pull the rope, which moves the lifting block and pressing rod downwards to press the arc-shaped pressing seat, thus operating the closing / opening handle or the energy storage handle. This allows the user to conveniently perform closing / opening or energy storage operations while standing on the ground, solving the problems of high installation positions and long insulating rods in pole-mounted circuit breakers, which make closing or energy storage operations extremely laborious, and the flexible deformation of the long rods reduces operational accuracy, easily leading to incomplete operation or misoperation.
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Description

Technical Field

[0001] This invention relates to the field of power transmission and distribution equipment technology, specifically to a pole-mounted circuit breaker that is easy to operate. Background Technology

[0002] Pole-mounted circuit breakers are circuit breakers installed and operated on utility poles. Significant progress has been made in the research and manufacturing technology of various circuit breakers. Vacuum circuit breakers are no longer limited to medium-voltage power grids but are developing towards high voltage and large capacity. Sulfur hexafluoride circuit breakers have many advantages, such as strong breaking capacity, high continuous breaking capacity, frequent operation, low operating noise, and no fire hazard, making them an excellent oil-free device.

[0003] When performing opening and closing operations on a pole-mounted circuit breaker, the operator needs to stand on the ground and use a long insulated operating rod to move the operating handle of the circuit breaker to achieve the opening, closing, and energy storage functions.

[0004] Because pole-mounted circuit breakers are installed at a high position and have long insulating rods, closing or energy storage operations are extremely laborious. Furthermore, the flexibility and deformation of the long rods reduce operational accuracy, making it easy for operations to be incomplete or erroneous, which seriously affects the safety and reliability of the operation. Therefore, a pole-mounted circuit breaker that is easy to operate is proposed to solve the above problems. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an easy-to-operate pole-mounted circuit breaker, which has advantages such as easy closing or energy storage operations. It solves the problems of pole-mounted circuit breakers being installed at a high position and having a long insulating rod, making closing or energy storage operations extremely laborious, and the flexible deformation of the long rod reducing operating accuracy and easily leading to incomplete operation or misoperation.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an easy-to-operate pole-mounted circuit breaker, comprising a circuit breaker body and two mounting bases. The circuit breaker body is provided with a closing / opening handle and an energy storage handle. An arc-shaped pressing seat is movably mounted on both the closing / opening handle and the energy storage handle. A horizontal plate is movably mounted on the top of the upper mounting base. A lifting block is movably mounted on the top of the horizontal plate. A pressing rod is fixedly mounted on the back of the lifting block. The pressing rod matches the arc-shaped pressing seat. An extension sleeve is fixedly mounted on the bottom right end of the horizontal plate. A housing is fixedly mounted on the top of the lower mounting base. An operating rod extending into the housing is detachably mounted on the bottom of the extension sleeve. A transmission component is provided on the extension sleeve. A connecting component is provided on the horizontal plate. A pulling component is provided on the operating rod. A limit component is provided on the horizontal plate. A positioning component is provided inside the housing. The right end of the outer peripheral wall of the extension sleeve is provided with a side notch, and both sides of the inner bottom wall of the side notch are fixedly installed with clearance grooves opened on the extension sleeve. Rectangular slots are provided at both ends of the top of the opening and closing handle and at the top right end of the energy storage handle. A rectangular block with one end fixedly connected to the arc-shaped pressing seat is slidably installed inside the rectangular slot. A fourth spring with one end fixedly connected to the inner wall of the rectangular slot is fixedly installed on the rectangular block.

[0007] Furthermore, the horizontal plate has an internal cavity, a lower notch at the bottom right end, an extension sleeve at the lower notch, and an upper notch at the top left end. Both the lower and upper notches are connected to the cavity. A cylinder is fixedly installed at the top of the horizontal plate, at the upper notch, and a box is fixedly installed at the top of the cylinder. The bottom of the box is missing, and grooves are provided on both the front and back sides. The lifting block is slidably installed inside the box. The pressing rod passes through the groove on the back side. A lifting plate is slidably installed inside the cylinder. A connecting rod is fixedly installed at the bottom of the lifting block, extending into the cylinder and connected to the lifting plate. A connecting rope is fixedly installed at the bottom of the lifting plate. One end of the connecting rope passes through the upper notch, the cavity, and the lower notch in sequence and extends into the extension sleeve. A first spring is fixedly installed inside the cylinder, below the lifting plate, and sleeved on the outside of the connecting rope. Guide rollers are rotatably installed inside the cavity, on both the upper and lower sides of the connecting rope.

[0008] Furthermore, the transmission assembly includes an L-shaped movable plate, a pressing head, a connector, a circular block, and a second spring. The L-shaped movable plate is movably mounted on the right side of the extension sleeve, and the pressing head is fixedly mounted on the left side of the L-shaped movable plate. The pressing head extends into the extension sleeve, and the connector is movably mounted inside the extension sleeve. The bottom end of the connecting rope passes through the connector, and the bottom end of the connecting rope is fixedly connected to the circular block. A second spring, one end of which is fixedly connected to the cross plate, is fixedly mounted on the top of the connector. The second spring is sleeved on the outside of the connecting rope. A pressing head groove formed on the extension sleeve is fixedly mounted on the right end of the inner bottom wall of the side notch, and the pressing head groove matches the pressing head.

[0009] Furthermore, the connector includes an arc-shaped plate, a circular plate, and a hook. The arc-shaped plate is slidably installed inside the extension sleeve. The hook is fixedly installed at the bottom end of the arc-shaped plate and matches the pressing head. The circular plate is fixedly installed at the top of the arc-shaped plate and has a groove. The bottom end of the connecting rope passes through the groove. The circular block is located inside the arc-shaped plate.

[0010] Furthermore, the limiting component includes a limiting groove, a limiting block, a third spring, and an L-shaped plate. A limiting groove is formed on the right side of the horizontal plate. A limiting block is slidably installed inside the limiting groove. A third spring is fixedly installed at the bottom of the limiting block, with one end of the spring fixedly connected to the bottom wall of the limiting groove. An L-shaped plate is fixedly installed on the right side of the limiting block.

[0011] Furthermore, a top plate is fixedly installed on the top of the mounting base mentioned above. A movable groove is provided on the front of the top plate. A movable block is slidably installed inside the movable groove. The horizontal plate is fixedly installed on the front of the movable block. An L-shaped positioning plate is fixedly installed on the top right side of the top plate. A positioning groove is provided inside the L-shaped positioning plate. The positioning groove matches the L-shaped plate. A mounting hole is provided on the mounting base. A U-shaped clamp is provided at the mounting hole.

[0012] Furthermore, the positioning component includes a rectangular plate, a sliding sleeve, a U-shaped sleeve, an L-shaped plug-in plate, a first bolt, a second bolt, and an indicator block. The rectangular plate is fixedly installed inside the housing, and the sliding sleeve is slidably fitted onto the outside of the rectangular plate. The U-shaped sleeve is fixedly installed on the front side of the sliding sleeve. The top and bottom ends of the U-shaped sleeve are both fixedly installed with L-shaped plug-in plates. The left side of the U-shaped sleeve is threaded with a first bolt, the bottom of the sliding sleeve is threaded with a second bolt, and indicator blocks are fixedly installed on both the left and right sides of the sliding sleeve.

[0013] Furthermore, the bottom of the extension sleeve is provided with a threaded groove, and the bottom of the operating rod is threaded with a threaded rod that passes through and extends above the operating rod. The threaded rod matches the threaded groove, and two plug-in blocks are fixedly installed at the bottom of the operating rod. The plug-in blocks match the L-shaped plug-in plate.

[0014] Furthermore, an indicator assembly is provided on the circuit breaker body. The indicator assembly includes a first guide block, a second guide block, an indicator light, and an indicator needle. The indicator needle is rotatably mounted on the front of the circuit breaker body. The second guide block is provided on the indicator needle. The first guide block is provided on the circuit breaker body. An indicator light is fixedly mounted on the top of the circuit breaker body.

[0015] Furthermore, the pulling assembly includes a U-shaped slide bar, a sliding column, a fifth spring, an outer sleeve, a pull rope, a U-shaped compartment, and a handle. Three U-shaped slide bars are fixedly installed on the outer peripheral wall of the operating rod. A sliding column is slidably installed on the outside of the U-shaped slide bar. An L-shaped movable plate is fixedly installed on the top of the sliding column. A fifth spring, sleeved on the outside of the U-shaped slide bar, is fixedly installed on the bottom of the sliding column. An outer sleeve, sleeved on the outside of the operating rod, is fixedly installed on the bottom right end of the outer sleeve. A U-shaped compartment is fixedly installed on the outer peripheral wall of the operating rod. The pull rope passes through the U-shaped compartment, and a handle is fixedly connected to the bottom end of the pull rope.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects: This easy-to-operate pole-mounted circuit breaker, with its built-in pressing rod, operating rod, and extension sleeve, allows users to easily perform opening, closing, or energy storage operations while standing on the ground. This solves the problems of pole-mounted circuit breakers being installed at high positions with long insulating rods, which made closing or energy storage operations extremely laborious and reduced operational accuracy due to the flexibility and deformation of the long rods, leading to incomplete operation or misoperation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a cross-sectional view of the cross-section of the present invention; Figure 3 This is a cross-sectional view of the extended sleeve of the present invention; Figure 4 This is a schematic diagram of the extended sleeve structure of the present invention; Figure 5 This is a schematic diagram of the connector structure of the present invention; Figure 6 This is a schematic diagram of the pull component structure of the present invention; Figure 7 For the present invention Figure 1 Enlarged view of point A in the middle; Figure 8 This is a schematic diagram showing the connection relationship between the U-shaped sleeve and the L-shaped plug plate of the present invention; Figure 9 This is a schematic diagram of the mounting base structure of the present invention; Figure 10 This is a schematic diagram showing the connection relationship between the lifting block and the pressing rod of the present invention; Figure 11 For the present invention Figure 1 Enlarged view at point B in the middle; Figure 12 This is a schematic diagram of the opening and closing handle structure of the present invention; Figure 13 For the present invention Figure 1 Enlarged view of point C in the middle.

[0018] In the diagram: 1. Circuit breaker body; 2. Opening / closing handle; 21. Rectangular slot; 22. Fourth spring; 3. Energy storage handle; 4. Arc-shaped pressing seat; 5. Mounting seat; 51. Mounting hole; 52. U-shaped clamp; 6. Horizontal plate; 61. Receiving cavity; 62. Lower notch; 63. Upper notch; 64. Cylinder; 65. Box body; 66. Connecting rod; 67. Lifting plate; 68. First spring; 69. Connecting rope; 610. Guide roller; 611. Top plate; 612. Movable slot; 613. Movable block; 614. L-shaped positioning plate; 615. Positioning slot; 7. Lifting block; 8. Pressing rod; 9. Extension sleeve; 91. Side notch; 92. Relief slot; 10. Operating rod; 101. Threaded rod; 102. Insertion block; 11. Transmission assembly; 111. L-shaped movable plate; 112. Pressing head; 1 13. Connector; 1131. Arc plate; 1132. Circular plate; 1133. Hook; 114. Circular block; 115. Second spring; 12. Limiting assembly; 121. Limiting groove; 122. Limiting block; 123. Third spring; 124. L-shaped plate; 13. Box body; 14. Positioning assembly; 141. Rectangular plate; 142. Sliding sleeve; 143. U-shaped sleeve; 144. L-shaped plug plate; 145. First bolt; 146. Second bolt; 147. Indicator block; 15. Pulling assembly; 151. U-shaped slide rod; 152. Sliding column; 153. Fifth spring; 154. Outer sleeve; 155. Pull rope; 156. U-shaped compartment; 157. Handle; 16. Indicator assembly; 161. First guide block; 162. Second guide block; 163. Indicator light; 164. Indicator needle. Detailed Implementation

[0019] 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.

[0020] Please see Figure 1-13This embodiment of an easy-to-operate pole-mounted circuit breaker includes a circuit breaker body 1 and two mounting bases 5. The circuit breaker body 1 is provided with a closing / opening handle 2 and an energy storage handle 3. Both the closing / opening handle 2 and the energy storage handle 3 are movably mounted with an arc-shaped pressing seat 4. A horizontal plate 6 is movably mounted on the top of the upper mounting base 5. A lifting block 7 is movably mounted on the top of the horizontal plate 6. A pressing rod 8 is fixedly mounted on the back of the lifting block 7. The pressing rod 8 matches the arc-shaped pressing seat 4. An extension sleeve 9 is fixedly mounted on the bottom right end of the horizontal plate 6. A housing 13 is fixedly mounted on the top of the lower mounting base 5. A housing cover is movably mounted on the housing 13. An operating rod 10 is detachably mounted on the bottom of the extension sleeve 9, extending one end into the housing 13. A transmission assembly 11 is provided on the extension sleeve 9. A connecting assembly is provided on the horizontal plate 6. A pulling assembly 15 is provided on the operating rod 10. A limit assembly 12 is provided on the horizontal plate 6. A positioning assembly 14 is provided inside the housing 13.

[0021] Rectangular grooves 21 are provided at both ends of the top of the opening and closing handle 2 and at the right end of the top of the energy storage handle 3. A rectangular block with one end fixedly connected to the arc-shaped pressing seat 4 is slidably installed inside the rectangular groove 21. A fourth spring 22 with one end fixedly connected to the inner wall of the rectangular groove 21 is fixedly installed on the rectangular block.

[0022] Specifically, through the rectangular groove 21, the rectangular block and the fourth spring 22, when the pressing rod 8 presses the arc-shaped pressing seat 4 to operate the opening and closing handle 2 or the energy storage handle 3, the arc-shaped pressing seat 4 can slide on the opening and closing handle 2 or the energy storage handle 3.

[0023] In this embodiment, the horizontal plate 6 has an internal cavity 61, a lower notch 62 at the bottom right end of the horizontal plate 6, and an extension sleeve 9 is provided at the lower notch 62. The top left end of the horizontal plate 6 has an upper notch 63. Both the lower notch 62 and the upper notch 63 are connected to the cavity 61. A cylinder 64 is fixedly installed on the top of the horizontal plate 6 at the upper notch 63. A box 65 is fixedly installed on the top of the cylinder 64. The bottom of the box 65 is missing, and sliding grooves are provided on both the front and back sides. The lifting block 7 is slidably installed inside the box 65. The pressing rod 8 passes through the back sliding groove, and the cylinder 64 slides inside. A lifting plate 67 is installed. A connecting rod 66 is fixedly installed at the bottom of the lifting block 7, with one end extending into the cylinder 64 and fixedly connected to the lifting plate 67. A connecting rope 69 is fixedly installed at the bottom of the lifting plate 67. One end of the connecting rope 69 passes through the upper notch 63, the receiving cavity 61, and the lower notch 62 in sequence and extends into the extension sleeve 9. A first spring 68 is fixedly installed inside the cylinder 64 and below the lifting plate 67. The first spring 68 is sleeved on the outside of the connecting rope 69. Guide rollers 610 are rotatably installed inside the receiving cavity 61 and on both the upper and lower sides of the connecting rope 69. The transmission assembly 11 includes an L-shaped movable plate 111, a pressing head 112, a connector 113, a circular block 114, and a second spring 115. The L-shaped movable plate 111 is movably installed on the right side of the extension sleeve 9, and the pressing head 112 is fixedly installed on the left side of the L-shaped movable plate 111. The pressing head 112 extends into the extension sleeve 9. The connector 113 is movably installed inside the extension sleeve 9. The bottom end of the connecting rope 69 passes through the connector 113. The bottom end of the connecting rope 69 is fixedly connected to the circular block 114. The top of the connector 113 is fixedly installed with a second spring 115, one end of which is fixedly connected to the cross plate 6. The second spring 115 is sleeved on the outside of the connecting rope 69. The connector 113 includes an arc plate 1131, a circular plate 1132, and a hook 1133. The arc plate 1131 is slidably installed inside the extension sleeve 9. The hook 1133 is fixedly installed at the bottom end of the arc plate 1131 and matches the pressing head 112. The circular plate 1132 is fixedly installed at the top of the arc plate 1131 and has a groove. The bottom end of the connecting rope 69 passes through the groove. The circular block 114 is located inside the arc plate 1131.

[0024] Specifically, when the L-shaped movable plate 111 moves downward, it drives the pressing head 112 to move downward with the hook 1133. The hook 1133 drives the arc plate 1131 to move downward and stretch the second spring 115. The arc plate 1131 moves downward with the circular block 114 and pulls the connecting rope 69. The connecting rope 69 moves downward with the lifting plate 67 and compresses the first spring 68. The lifting plate 67 moves downward with the lifting block 7 and the pressing rod 8 through the connecting rod 66. When the L-shaped movable plate 111 returns to its original position, the second spring 115 and the first spring 68 return to their original position and can move upward with the lifting block 7 and the pressing rod 8 to return to their original position.

[0025] In this embodiment, the limiting component 12 includes a limiting groove 121, a limiting block 122, a third spring 123, and an L-shaped plate 124. The limiting groove 121 is opened on the right side of the horizontal plate 6. The limiting block 122 is slidably installed inside the limiting groove 121. A third spring 123 is fixedly installed at the bottom of the limiting block 122, with one end fixedly connected to the bottom wall of the limiting groove 121. The L-shaped plate 124 is fixedly installed on the right side of the limiting block 122.

[0026] Specifically, when the L-shaped movable plate 111 moves downward, it can move the L-shaped plate 124 downward synchronously, compressing the third spring 123. When the third spring 123 resets, it can move the L-shaped plate 124 upward.

[0027] In this embodiment, a top plate 611 is fixedly installed on the top of the upper mounting base 5. A movable groove 612 is provided on the front of the top plate 611. A movable block 613 is slidably installed inside the movable groove 612. A horizontal plate 6 is fixedly installed on the front of the movable block 613. An L-shaped positioning plate 614 is fixedly installed on the top right side of the top plate 611. A positioning groove 615 is provided inside the L-shaped positioning plate 614. The positioning groove 615 matches the L-shaped plate 124. A mounting hole 51 is provided on the mounting base 5. A U-shaped clamp 52 is provided at the mounting hole 51.

[0028] It should be noted that the U-shaped clamp 52 has a threaded end near the mounting base 5.

[0029] Specifically, the movable groove 612 and movable block 613 allow the horizontal plate 6 to slide horizontally on the top plate 611; the positioning groove 615 allows the top of the L-shaped plate 124 to be inserted into the L-shaped positioning plate 614, thereby fixing the horizontal plate 6; the U-shaped clamp 52 is passed through the utility pole and the mounting hole 51, and a nut is screwed into the U-shaped clamp 52 to fix the mounting base 5 on the utility pole.

[0030] In this embodiment, the positioning component 14 includes a rectangular plate 141, a sliding sleeve 142, a U-shaped sleeve 143, an L-shaped plug-in plate 144, a first bolt 145, a second bolt 146, and an indicator block 147. The rectangular plate 141 is fixedly installed inside the housing 13. The sliding sleeve 142 is slidably sleeved on the outside of the rectangular plate 141. The U-shaped sleeve 143 is fixedly installed on the front of the sliding sleeve 142. The top and bottom ends of the U-shaped sleeve 143 are both fixedly installed with L-shaped plug-in plates 144. The left side of the U-shaped sleeve 143 is threaded with the first bolt 145. The bottom of the sliding sleeve 142 is threaded with the second bolt 146. The left and right sides of the sliding sleeve 142 are both fixedly installed with indicator blocks 147. Two plug-in blocks 102 are fixedly installed at the bottom of the operating lever 10, and the plug-in blocks 102 are matched with the L-shaped plug-in plate 144.

[0031] It should be noted that a position marker block is provided on the rectangular plate 141, and an observation hole matching the position marker block is provided on the indicator block 147. There are multiple position marker blocks, which are, from left to right, a tripping marker block, a closing marker block, an energy storage marker block, and an installation position marker block.

[0032] Specifically, by loosening the second bolt 146 and moving the sliding sleeve 142, the operating lever 10 can be moved to the target working position through the cooperation of the indicator block 147 and the position marker block. In addition, by inserting the plug block 102 on the operating lever 10 into the L-shaped plug plate 144, the installation position of the operating lever 10 can be positioned. Tightening the first bolt 145 can fix the bottom end of the operating lever 10 onto the U-shaped sleeve 143.

[0033] In this embodiment, the bottom of the extension sleeve 9 is provided with a threaded groove, and the bottom of the operating rod 10 is threaded with a threaded rod 101. The threaded rod 101 passes through and extends above the operating rod 10, and the threaded rod 101 matches the threaded groove.

[0034] Specifically, by turning the threaded rod 101, the threaded rod 101 moves upward and screws into the threaded groove, thus completing the assembly of the extension sleeve 9 and the operating rod 10.

[0035] In this embodiment, an indicator component 16 is provided on the circuit breaker body 1. The indicator component 16 includes a first guide block 161, a second guide block 162, an indicator light 163, and an indicator needle 164. The indicator needle 164 is rotatably mounted on the front of the circuit breaker body 1. The second guide block 162 is provided on the indicator needle 164. The first guide block 161 is provided on the circuit breaker body 1. The indicator light 163 is fixedly mounted on the top of the circuit breaker body 1.

[0036] It should be noted that there are two sets of indicator components 16, and the two sets are respectively located at the opening and closing indicator needle and the energy storage indicator needle.

[0037] Specifically, when the indicator light 163 rotates, it will cause the first conductor 161 to contact the second conductor 162, thereby connecting the circuit of the indicator light 163 and making the indicator light 163 light up, so that the user can easily observe the opening and closing or energy storage status from the ground.

[0038] In this embodiment, the pulling assembly 15 includes a U-shaped slide bar 151, a sliding column 152, a fifth spring 153, an outer sleeve 154, a pull rope 155, a U-shaped compartment 156, and a handle 157. Three U-shaped slide bars 151 are fixedly installed on the outer peripheral wall of the operating rod 10. A sliding column 152 is slidably installed on the outside of the U-shaped slide bar 151. An L-shaped movable plate 111 is fixedly installed on the top of the sliding column 152. A fifth spring 153, which is sleeved on the outside of the U-shaped slide bar 151, is fixedly installed on the bottom of the sliding column 152. An outer sleeve 154, which is sleeved on the outside of the operating rod 10, is fixedly installed on the bottom end of the sliding column 152. A pull rope 155 is fixedly connected to the bottom right end of the outer sleeve 154. A U-shaped compartment 156 is fixedly installed on the outer peripheral wall of the operating rod 10. The pull rope 155 passes through the U-shaped compartment 156. A handle 157 is fixedly connected to the bottom end of the pull rope 155.

[0039] Specifically, when you grasp the handle 157 and pull the cord 155, the cord 155 moves the outer sleeve 154 and the sliding column 152 downward, compressing the fifth spring 153. The sliding column 152 provides the driving force for the L-shaped movable plate 111 to move downward. When you release the handle 157, the fifth spring 153 returns to its original position, moving the outer sleeve 154 and the sliding column 152 upward to return to their original position.

[0040] The right end of the outer peripheral wall of the extension sleeve 9 is provided with a side notch 91. Both sides of the inner bottom wall of the side notch 91 are fixedly installed with clearance grooves 92 opened on the extension sleeve 9. The right end of the inner bottom wall of the side notch 91 is fixedly installed with a pressing head groove opened on the extension sleeve 9. The pressing head groove matches the pressing head 112.

[0041] Specifically, through the notch 91, when the operating lever 10 is installed on the U-shaped sleeve 143, the L-shaped movable plate 111 can move the pressing head 112 into the extension sleeve 9 and stop above the hook 1133; the setting of the clearance groove 92 and the pressing head groove allows the pressing head 112 to move vertically on the extension sleeve 9.

[0042] The working principle of the above embodiments is as follows: (1) When it is necessary to perform opening and closing operations, open the box cover, move the sliding sleeve 142, and move the sliding sleeve 142 to the assembly position of the operating rod 10 through the cooperation of the indicator block 147 and the position mark block. Tighten the second bolt 146 to fix the position of the sliding sleeve 142. (2) Insert the plug block 102 on the operating rod 10 into the L-shaped plug plate 144, and tighten the first bolt 145 to fix the bottom end of the operating rod 10 onto the U-shaped sleeve 143. At the same time as the operating rod 10 is inserted into the U-shaped sleeve 143, the L-shaped movable plate 111 can move the pressing head 112 into the extension sleeve 9 and stop above the hook 1133. The top end of the L-shaped movable plate 111 contacts the bottom end of the L-shaped plate 124. (3) Tighten the threaded rod 101. The threaded rod 101 moves upward and is screwed into the threaded groove. In this way, the assembly of the extension sleeve 9 and the operating rod 10 can be completed, so that the extension sleeve 9 and the operating rod 10 are connected into a whole. (4) Loosen the second bolt 146 to release the fixed state of the sliding sleeve 142. Hold the handle 157 and pull the pull rope 155. The L-shaped movable plate 111 is driven to move downward through the outer sleeve 154 and the sliding column 152. The L-shaped movable plate 111 pulls the L-shaped plate 124 downward to compress the third spring 123 and disengage from the positioning groove 615. The fixed state of the horizontal plate 6 can be released. Release the handle 157. The third spring 123 resets and the L-shaped movable plate 111 and L-shaped plate 124 reset. (5) Push the sliding sleeve 142 to the left. The sliding sleeve 142 moves synchronously with the extension sleeve 9, the operating rod 10, the horizontal plate 6 and the pressing rod 8. Through the cooperation of the indicator block 147 and the position mark block, the operating rod 10 can be moved to the target working position. (6) Hold the handle 157 and pull the pull rope 155. The pull rope 155 drives the L-shaped movable plate 111 and the pressing head 112 to move downward. The pressing head 112 drives the hook 1133 to move downward. The hook 1133 drives the arc plate 1131 to move downward and stretch the second spring 115. The arc plate 1131 moves downward with the circular block 114 and pulls the connecting rope 69. The connecting rope 69 moves downward with the lifting plate 67 and compresses the first spring 68. The lifting plate 67 moves downward with the lifting block 7 and the pressing rod 8 through the connecting rod 66 and presses the arc pressing seat 4. Operate the opening and closing handle 2 or the energy storage handle 3. In this way, the user can easily perform the opening and closing operation while standing on the ground.

[0043] 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 a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0044] 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 easy-to-operate pole-mounted circuit breaker, comprising a circuit breaker body (1) and two mounting bases (5), wherein the circuit breaker body (1) is provided with a closing / opening handle (2) and an energy storage handle (3), characterized in that: Arc-shaped pressing seats (4) are movably installed on both the opening and closing handle (2) and the energy storage handle (3). A horizontal plate (6) is movably installed on the top of the upper mounting base (5). A lifting block (7) is movably installed on the top of the horizontal plate (6). A pressing rod (8) is fixedly installed on the back of the lifting block (7). The pressing rod (8) matches the arc-shaped pressing seat (4). An extension sleeve (9) is fixedly installed on the bottom right end of the horizontal plate (6). A housing (13) is fixedly installed on the top of the lower mounting base (5). An operating rod (10) with one end extending into the housing (13) is detachably installed on the bottom of the extension sleeve (9). A transmission component (11) is provided on the extension sleeve (9). A connecting component is provided on the horizontal plate (6). A pulling component (15) is provided on the operating rod (10). A limit component (12) is provided on the right side of the horizontal plate (6). A positioning component (14) is provided inside the housing (13). The right end of the outer peripheral wall of the extension sleeve (9) is provided with a side notch (91), and both sides of the inner bottom wall of the side notch (91) are fixedly installed with relief grooves (92) opened on the extension sleeve (9). The top two ends of the opening and closing handle (2) and the top right end of the energy storage handle (3) are provided with rectangular grooves (21). A rectangular block with one end fixedly connected to the arc-shaped pressing seat (4) is slidably installed inside the rectangular groove (21). A fourth spring (22) with one end fixedly connected to the inner wall of the rectangular groove (21) is fixedly installed on the rectangular block.

2. The easy-to-operate pole-mounted circuit breaker according to claim 1, characterized in that: The horizontal plate (6) has an internal cavity (61). A lower notch (62) is located at the bottom right end of the horizontal plate (6). The extension sleeve (9) is positioned at the lower notch (62). An upper notch (63) is located at the top left end of the horizontal plate (6). Both the lower notch (62) and the upper notch (63) are connected to the cavity (61). A cylinder (64) is fixedly installed at the top of the horizontal plate (6) and at the upper notch (63). A box (65) is fixedly installed at the top of the cylinder (64). The bottom of the box (65) is missing, and grooves are provided on both the front and back sides. The lifting block (7) is slidably installed inside the box (65). The pressing rod (8) passes through the groove on the back side. The cylinder (64)... An internally sliding lifting plate (67) is installed. A connecting rod (66) is fixedly installed at the bottom of the lifting block (7), with one end extending into the cylinder (64) and fixedly connected to the lifting plate (67). A connecting rope (69) is fixedly installed at the bottom of the lifting plate (67). One end of the connecting rope (69) passes through the upper notch (63), the receiving cavity (61), and the lower notch (62) in sequence and extends into the extension sleeve (9). A first spring (68) is fixedly installed inside the cylinder (64) and below the lifting plate (67). The first spring (68) is sleeved on the outside of the connecting rope (69). Guide rollers (610) are rotatably installed inside the receiving cavity (61) and on both the upper and lower sides of the connecting rope (69).

3. The easy-to-operate pole-mounted circuit breaker according to claim 2, characterized in that: The transmission assembly (11) includes an L-shaped movable plate (111), a pressing head (112), a connecting piece (113), a circular block (114), and a second spring (115). The L-shaped movable plate (111) is movably mounted on the right side of the extension sleeve (9), and the pressing head (112) is fixedly mounted on the left side of the L-shaped movable plate (111). The pressing head (112) extends into the extension sleeve (9), and the connecting piece (113) is movably mounted inside the extension sleeve (9). The bottom end of the connecting rope (69) passes through the connector (113). A circular block (114) is fixedly connected to the bottom end of the connecting rope (69). A second spring (115) is fixedly installed on the top of the connector (113), with one end fixedly connected to the horizontal plate (6). The second spring (115) is sleeved on the outside of the connecting rope (69). A pressing head groove opened on the extension sleeve (9) is fixedly installed on the right end of the inner bottom wall of the side notch (91). The pressing head groove matches the pressing head (112).

4. The easy-to-operate pole-mounted circuit breaker according to claim 3, characterized in that: The connector (113) includes an arc plate (1131), a circular plate (1132), and a hook (1133). The arc plate (1131) is slidably installed inside the extension sleeve (9). The hook (1133) is fixedly installed at the bottom end of the arc plate (1131) and matches the pressing head (112). The circular plate (1132) is fixedly installed at the top of the arc plate (1131) and has a groove. The bottom end of the connecting rope (69) passes through the groove. The circular block (114) is located inside the arc plate (1131).

5. The easy-to-operate pole-mounted circuit breaker according to claim 1, characterized in that: The limiting component (12) includes a limiting groove (121), a limiting block (122), a third spring (123), and an L-shaped plate (124). The limiting groove (121) is opened on the right side of the horizontal plate (6). The limiting block (122) is slidably installed inside the limiting groove (121). A third spring (123) is fixedly installed at the bottom of the limiting block (122) with one end fixedly connected to the bottom wall of the limiting groove (121). The L-shaped plate (124) is fixedly installed on the right side of the limiting block (122).

6. The easy-to-operate pole-mounted circuit breaker according to claim 5, characterized in that: A top plate (611) is fixedly installed on the top of the mounting base (5). A movable groove (612) is provided on the front of the top plate (611). A movable block (613) is slidably installed inside the movable groove (612). A horizontal plate (6) is fixedly installed on the front of the movable block (613). An L-shaped positioning plate (614) is fixedly installed on the top right side of the top plate (611). A positioning groove (615) is provided inside the L-shaped positioning plate (614). The positioning groove (615) matches the L-shaped plate (124). A mounting hole (51) is provided on the mounting base (5). A U-shaped clamp (52) is provided at the mounting hole (51).

7. The easy-to-operate pole-mounted circuit breaker according to claim 1, characterized in that: The positioning component (14) includes a rectangular plate (141), a sliding sleeve (142), a U-shaped sleeve (143), an L-shaped plug plate (144), a first bolt (145), a second bolt (146), and an indicator block (147). The rectangular plate (141) is fixedly installed inside the housing (13). The sliding sleeve (142) is slidably connected to the outside of the rectangular plate (141). The U-shaped sleeve (143) is fixedly installed on the front of the sliding sleeve (142). The top and bottom ends of the U-shaped sleeve (143) are both fixedly installed with L-shaped plug plates (144). The left side of the U-shaped sleeve (143) is threaded with the first bolt (145). The bottom of the sliding sleeve (142) is threaded with the second bolt (146). The left and right sides of the sliding sleeve (142) are both fixedly installed with indicator blocks (147).

8. The easy-to-operate pole-mounted circuit breaker according to claim 7, characterized in that: The bottom of the extension sleeve (9) is provided with a threaded groove, and the bottom of the operating rod (10) is threaded with a threaded rod (101). The threaded rod (101) passes through and extends above the operating rod (10). The threaded rod (101) matches the threaded groove. Two plug-in blocks (102) are fixedly installed at the bottom of the operating rod (10). The plug-in blocks (102) match the L-shaped plug-in plate (144).

9. The easy-to-operate pole-mounted circuit breaker according to claim 1, characterized in that: The circuit breaker body (1) is provided with an indicator component (16), which includes a first guide block (161), a second guide block (162), an indicator light (163), and an indicator needle (164). The indicator needle (164) is rotatably mounted on the front of the circuit breaker body (1), and the second guide block (162) is provided on the indicator needle (164). The first guide block (161) is provided on the circuit breaker body (1), and the indicator light (163) is fixedly mounted on the top of the circuit breaker body (1).

10. A pole-mounted circuit breaker that is easy to operate according to claim 3, characterized in that: The pulling assembly (15) includes a U-shaped slide bar (151), a sliding column (152), a fifth spring (153), an outer sleeve (154), a pull rope (155), a U-shaped compartment (156), and a handle (157). Three U-shaped slide bars (151) are fixedly installed on the outer periphery of the operating rod (10). A sliding column (152) is slidably installed on the outside of each U-shaped slide bar (151). An L-shaped movable plate (111) is fixedly installed on the top of the sliding column (152). 2) A fifth spring (153) is fixedly installed at the bottom of the sliding rod (151) and sleeved on the outside of the sliding rod (152). An outer sleeve (154) is fixedly installed at the bottom end of the sliding rod (152) and sleeved on the outside of the operating rod (10). A pull rope (155) is fixedly connected to the bottom right end of the outer sleeve (154). A U-shaped chamber (156) is fixedly installed on the outer peripheral wall of the operating rod (10). The pull rope (155) passes through the U-shaped chamber (156). A handle (157) is fixedly connected to the bottom end of the pull rope (155).