Primary and secondary fusion pole-mounted circuit breaker capable of preventing mistaken touch

By setting a locking structure with anti-rotation parts and protrusions on the outside of the circuit breaker main shaft, combined with the sliding connection of the limit rod and T-block, the problem of circuit breaker malfunction caused by animal accidental contact is solved, and the circuit breaker is protected against accidental contact and can operate stably.

CN224053085UActive Publication Date: 2026-03-27ZHEJIANG DANTENG ELECTRIC CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The manual opening and closing handles of existing primary and secondary integrated pole-mounted circuit breakers are easily touched by animals, causing changes in the circuit breaker status and affecting normal operation.

Method used

A primary and secondary integrated pole-mounted circuit breaker designed to prevent accidental operation is proposed. By setting an anti-rotation component and a protrusion on the outside of the main shaft, the main shaft is locked by the engagement of the anti-rotation component with the groove. Combined with the sliding connection of the limit rod and the T-block, the opening and closing handles are locked and fixed to prevent accidental operation.

Benefits of technology

It effectively prevents changes in the circuit breaker status caused by accidental contact by animals, improves the reliability and stability of the equipment, and ensures the normal operation of opening and closing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224053085U_ABST
    Figure CN224053085U_ABST
Patent Text Reader

Abstract

The utility model discloses a mistaken touch prevention primary and secondary fusion pole-mounted circuit breaker, which comprises a circuit breaker main body, a supporting block arranged on one side of the circuit breaker main body, a main shaft rotationally mounted on the supporting block, and a switching-on and switching-off handle connected to one end of the main shaft, and first pull rings are mounted at two ends of the switching-on and switching-off handle; the outer side of the main shaft is sleeved with a rotation stopping piece used for locking the main shaft, a plurality of protruding blocks which are annularly distributed at equal intervals are arranged on the outer side of the main shaft, grooves matched with the protruding blocks are formed in the inner side wall of the rotation stopping piece, limiting rods are symmetrically arranged on one side of the rotation stopping piece, through holes are formed in the supporting blocks in a penetrating mode, and the limiting rods are installed in the through holes in a sliding mode. One side of the supporting block is provided with a T-shaped groove, and the interior of the T-shaped groove is in sliding connection with the T. The main shaft can be locked through the rotation stopping piece, the groove and the protruding block, even if the opening and closing handle is touched by an animal by mistake, the main shaft cannot rotate, and the state of the circuit breaker body is prevented from being changed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field, concretely is a primary and secondary fusion pole-mounted circuit breaker of preventing mistaken touch. BACKGROUND

[0002] The primary and secondary fusion pole-mounted circuit breaker is a kind of intelligent electric power equipment of the deep fusion design of primary equipment (such as circuit breaker body) and secondary equipment (such as measurement, control, protection device etc.), to improve the integration, reliability and intelligent level of distribution automation system.

[0003] Manual switching of existing primary and secondary fusion pole-mounted circuit breaker, usually uses insulating operating stick to hook the pull ring on manual switching handle and exerts force, to carry out switching operation, however, manual switching handle is usually exposed, is easily mistaken touch by monkey and other animals, cause the state of circuit breaker to change, influence the normal operation of circuit breaker. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a primary and secondary fusion pole-mounted circuit breaker of preventing mistaken touch to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a primary and secondary fusion pole-mounted circuit breaker of preventing mistaken touch, including circuit breaker body, the support block of setting in the one side of circuit breaker body, the main shaft of rotation installation on support block, and the switching handle of being connected in the one end of main shaft, both ends of switching handle are equipped with first pull ring, the outside of main shaft is equipped with the rotation stop piece for locking main shaft, the outside of main shaft is equipped with a plurality of annular equidistant distribution's lug, the inside wall of rotation stop piece is equipped with the recess that is matched with lug, the one side of rotation stop piece is equipped with limit rod, the through hole of being passed through being equipped with in support block, limit rod is slidably installed in through hole, the one side of support block is equipped with T-shaped slot, T-shaped block is slidably connected in the inside of T-shaped slot, the one side of T-shaped block is equipped with driving piece, the link of being hinged on driving piece, the end of link away from driving piece is hinged with rotation stop piece, the bottom of driving piece is fixedly connected with second pull ring.

[0006] As a preferred scheme of the utility model, the bottom of the second pull ring is recessed to form a recess.

[0007] As a preferred scheme of the utility model, the inside of T-shaped block is slidably installed with clamping rod, one end of clamping rod extends to the outside of T-shaped block, the other end of clamping rod is equipped with round hole, the inside of round hole is installed with spring, the inside wall of T-shaped slot is equipped with first clamping groove and second clamping groove from top to bottom respectively.

[0008] As a preferred embodiment of this utility model, one end of the lever has a dome-shaped structure.

[0009] As a preferred embodiment of this utility model, one end of the limiting rod is provided with a circular plate.

[0010] Compared with the prior art, the beneficial effects of this utility model are: the main shaft can be locked by the anti-rotation part, groove and protrusion. Even if the opening and closing handle is accidentally touched by an animal, the main shaft cannot rotate, which avoids the change of the state of the circuit breaker body and improves reliability. At the same time, the drive part can be fixed by the locking rod, spring, first locking groove and second locking groove to prevent the drive part from moving due to vibration, which would cause the position of the anti-rotation part to change. Attached Figure Description

[0011] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0012] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0013] Figure 3 This is a schematic diagram of the disassembled opening and closing handle of this utility model;

[0014] Figure 4 This utility model Figure 3 Enlarged view of point B in the middle;

[0015] Figure 5 This is a schematic diagram of the main shaft of this utility model;

[0016] Figure 6 This is a schematic diagram of the anti-rotation component of this utility model;

[0017] Figure 7 This is a schematic diagram of the structure of the driving component and the second pull ring of this utility model;

[0018] Figure 8 This is a cross-sectional view of the driving component and the second pull ring of this utility model;

[0019] Figure 9 This is a schematic diagram of the structure of the support block of this utility model;

[0020] Figure 10 This utility model Figure 9 Enlarged view of point C in the middle.

[0021] In the figure: 1, circuit breaker main body; 2, support block; 3, main shaft; 4, opening and closing handle; 5, first pull ring; 6, limiting rod; 7, rotation stopper; 8, groove; 9, protrusion; 10, second pull ring; 11, driving piece; 12, T-shaped block; 13, T-shaped slot; 14, connecting rod; 15, round plate; 16, recess; 17, clamping rod; 18, round hole; 19, spring; 20, through hole; 21, first clamping groove; 22, second clamping groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1 to 10 The utility model provides a kind of technical scheme: a secondary fusion pole-mounted circuit breaker of preventing mistaken touch, including circuit breaker main body 1, support block 2 being arranged in the one side of circuit breaker main body 1, main shaft 3 being rotatably installed on support block 2, and opening and closing handle 4 being connected in the one end of main shaft 3, and the two ends of opening and closing handle 4 are all equipped with first pull ring 5, the outside of main shaft 3 is equipped with the rotation stopper 7 for being used to lock main shaft 3, the outside of main shaft 3 is equipped with multiple protrusions 9 being annular equidistant distribution, the inner side wall of rotation stopper 7 is equipped with the groove 8 being cooperated with protrusion 9, rotation stopper 7 is engaged with protrusion 9 by groove 8, can lock main shaft 3, so that main shaft 3 cannot rotate and open and close, prevent due to opening and closing handle 4 being mistaken touch by animal, leading to the state of circuit breaker main body 1 change, the side symmetry of rotation stopper 7 is equipped with limiting rod 6, limiting rod 6 is used for limiting rotation stopper 7, so that rotation stopper 7 cannot rotate, can only shift along the direction of limiting rod 6, through hole 20 is slidably installed in limiting rod 6 in the through hole 20 being opened and closed in the one side of support block 2, the one side of support block 2 is equipped with T-shaped slot 13, T-shaped slot 13 is slidably connected with T-shaped block 12 in the inside, T-shaped block 12 and T-shaped slot 13 are used for limiting driving piece 11, so that driving piece 11 can only move up and down, the one side of T-shaped block 12 is equipped with driving piece 11, when driving piece 11 moves up, driving piece 11 makes rotation stopper 7 move towards the direction of being close to protrusion 9 by connecting rod 14, when driving piece 11 moves down, driving piece 11 makes rotation stopper 7 move towards the direction of being away from protrusion 9 by connecting rod 14, connecting rod 14 is hinged on driving piece 11, the end of connecting rod 14 being away from driving piece 11 is hinged with rotation stopper 7, the bottom of driving piece 11 is fixedly connected with second pull ring 10, second pull ring 10 is convenient for staff to use insulating operating rod and moves driving piece 11.

[0024] The bottom of the second pull ring 10 is concave to form a recess 16, which facilitates the operator to push the second pull ring 10 upward by using an insulated operating rod.

[0025] The T-shaped block 12 is internally slidably mounted with a clamping rod 17, one end of the clamping rod 17 extends to the outside of the T-shaped block 12, the other end of the clamping rod 17 is provided with a round hole 18, the inside of the round hole 18 is mounted with a spring 19, the spring 19 is used to apply a pushing force to the clamping rod 17, preventing the clamping rod 17 from being separated from the first clamping groove 21 or the second clamping groove 22 due to vibration, the inner side wall of the T-shaped groove 13 is provided with the first clamping groove 21 and the second clamping groove 22 from top to bottom, the clamping rod 17 is used to be clamped into the first clamping groove 21 or the second clamping groove 22, realizing the fixation of the driving part 11, preventing the driving part 11 from moving due to vibration, causing the position of the rotation stopping part 7 to change, when the T-shaped block 12 is located at the bottom of the T-shaped groove 13, the clamping rod 17 is aligned with and inserted into the second clamping groove 22, the rotation stopping part 7 is not outside the protrusion 9, at this time the main shaft 3 can normally rotate to open or close, when the T-shaped block 12 is located at the top of the T-shaped groove 13, the clamping rod 17 is aligned with and inserted into the first clamping groove 21, the rotation stopping part 7 is engaged with the protrusion 9, at this time the main shaft 3 is locked and cannot rotate.

[0026] The one end of the clamping rod 17 is in a dome-shaped structure, which makes the clamping rod 17 more easily separated from the second clamping groove 22 or the first clamping groove 21 when the T-shaped block 12 moves upward or downward.

[0027] The one end of the clamping rod 17 is in a dome-shaped structure, which makes the clamping rod 17 more easily separated from the second clamping groove 22 or the first clamping groove 21 when the T-shaped block 12 moves upward or downward.

[0028] Specifically, when opening and closing, the staff uses the insulating operating rod to hook the first pull ring 5 and exerts force, so that the opening and closing handle 4 rotates, the main shaft 3 rotates, and the opening and closing action is performed; after the opening and closing action is completed, the insulating operating rod is used to push upward against the recess 16, so that the second pull ring 10 moves upward, the second pull ring 10 drives the driving part 11 and the T-shaped block 12 to move upward, the driving part 11 drives the rotation-stopping part 7 to move towards the protrusion 9, the rotation-stopping part 7 is engaged with the protrusion 9, so that the main shaft 3 cannot rotate, even if an animal accidentally touches the opening and closing handle 4, the state of the circuit breaker body 1 will not change, at the same time, the T-shaped block 12 drives the clamping rod 17 to move upward, when the T-shaped block 12 moves to the top of the T-shaped groove 13, the clamping rod 17 is aligned with the first clamping groove 21, and the clamping rod 17 is clamped into the first clamping groove 21 under the action of the spring 19, so that the driving part 11 is fixed, when subsequent opening and closing operation is performed, the insulating operating rod is used to hook the second pull ring 10 and pull downward, the second pull ring 10 drives the driving part 11 to move downward, the driving part 11 drives the rotation-stopping part 7 to move away from the protrusion 9 through the connecting rod 14, until the T-shaped block 12 moves to the bottom of the T-shaped groove 13, at this time, the rotation-stopping part 7 is completely separated from the protrusion 9, and the main shaft 3 can normally rotate, the insulating operating rod is used to hook the first pull ring 5 and exert force, so that the opening and closing handle 4 rotates, and the opening and closing operation can be performed.

[0029] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as limiting the utility model.

[0030] In addition, the terms "first", "second", "third", "fourth" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0031] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0032] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mistaken touch prevention primary and secondary fused pole-mounted circuit breaker, comprising a circuit breaker body (1), a supporting block (2) arranged on one side of the circuit breaker body (1), a main shaft (3) rotatably installed on the supporting block (2), and an opening and closing handle (4) connected to one end of the main shaft (3), both ends of the opening and closing handle (4) are provided with a first pull ring (5), characterized in that: The outer side of the main shaft (3) is sleeved with a rotation stopping piece (7) for locking the main shaft (3), the outer side of the main shaft (3) is provided with a plurality of annularly equidistant protrusions (9), the inner side wall of the rotation stopping piece (7) is provided with grooves (8) matched with the protrusions (9), one side of the rotation stopping piece (7) is symmetrically provided with a limiting rod (6), the supporting block (2) is provided with a through hole (20) penetrating therethrough, the limiting rod (6) is slidingly installed in the through hole (20), one side of the supporting block (2) is provided with a T-shaped slot (13), the T-shaped slot (13) is slidingly connected with a T-shaped block (12) inside, one side of the T-shaped block (12) is provided with a driving piece (11), the driving piece (11) is hingedly connected with a connecting rod (14), the connecting rod (14) is hingedly connected with the rotation stopping piece (7) at an end away from the driving piece (11), and the bottom of the driving piece (11) is fixedly connected with a second pull ring (10).

2. The anti-mis-touch one-and-a-half fusion pole-mounted circuit breaker according to claim 1, characterized in that: The bottom of the second pull ring (10) is recessed inward to form a recess (16).

3. The anti-mis-touch one-and-a-half fusion pole-mounted circuit breaker according to claim 1, characterized in that: The T-shaped block (12) is slidingly installed with a clamping rod (17) inside, one end of the clamping rod (17) extends to the outside of the T-shaped block (12), the other end of the clamping rod (17) is provided with a circular hole (18), the circular hole (18) is installed with a spring (19) inside, and the inner side wall of the T-shaped slot (13) is provided with a first clamping groove (21) and a second clamping groove (22) from top to bottom.

4. The anti-mis-touch one-and-a-half fusion pole-mounted circuit breaker according to claim 3, characterized in that: One end of the clamping rod (17) is in a dome-shaped structure.

5. The anti-mis-touch one-and-a-half pole fused pole-mounted circuit breaker of claim 1, wherein: One end of the limiting rod (6) is provided with a circular plate (15).