Pole-mounted circuit breaker with opening buffer mechanism

By introducing a tripping buffer mechanism, thermal insulation structure, and installation adjustment structure into the pole-mounted circuit breaker, the problem of reduced stiffness caused by the complex structure of traditional circuit breakers is solved. This achieves multiple functions of tripping buffer, thermal insulation, and installation adjustment, thereby improving the safety and ease of installation of the circuit breaker.

CN223638313UActive Publication Date: 2025-12-05七星电气股份有限公司
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Patent Information

Application Number
CN202423243677.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-05
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Traditional pole-mounted circuit breakers have complex component splicing structures in the front end area of ​​the door sill, which reduces the rigidity of the lower front structure of the vehicle body and affects the body strength and safety.

Method used

The circuit breaker adopts a tripping buffer mechanism, including a tripping and closing operating handle, a telescopic spring, a fixing ring, and a fixing port, to achieve the tripping buffer function; a metal shell filled with a heat insulation layer and an insulating layer is used to achieve the heat insulation and insulation function; and the installation and adjustment function is achieved through the connection between the rubber collar and the mounting screw.

Benefits of technology

It realizes the functions of tripping buffer, thermal insulation and installation adjustment, which improves the safety and installation flexibility of the circuit breaker.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223638313U_ABST
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Abstract

The utility model relates to the technical field of pole-mounted circuit breakers, and discloses a pole-mounted circuit breaker with an opening buffer mechanism, which comprises a circuit breaker seat, an opening and closing operation handle is mounted on the left side of the front end of the circuit breaker seat, the rear end of the opening and closing operation handle is connected with a telescopic spring, and fixing rings are mounted on two sides of the opening and closing operation handle. The front end of the circuit breaker seat is provided with a fixing port, and the left side of the front end of the circuit breaker seat is provided with a limiting seat. According to the utility model, the opening buffer structure is arranged, so that the opening and closing operation handle rotates at the front end of the circuit breaker seat to carry out opening and closing during use, and when the opening and closing operation handle rotates at the front end of the circuit breaker seat, the opening and closing operation handle rotates to drive the telescopic spring and the limiting seat at the front end of the circuit breaker seat to carry out telescopic buffer; the fixing ring rotates on the two sides of the opening and closing operation handle so that the fixing ring can be connected with a fixing opening in the front end of the circuit breaker base in a clamped mode, and therefore the opening buffering function is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pole-mounted circuit breaker technical field, concretely is a pole-mounted circuit breaker with switching-off buffer mechanism. BACKGROUND

[0002] Pole-mounted circuit breaker refers to the circuit breaker installed and operated on the electric pole, and the vacuum circuit breaker is not only limited to the medium voltage power grid, but develops towards high voltage and large capacity, and the sulfur hexafluoride circuit breaker has many advantages, such as strong breaking capacity, many continuous breaking times, frequent operation, small operation noise, no fire hazard and the like, and is a good oil-free equipment.

[0003] The traditional vehicle body is complex in the part lap joint structure of the threshold front end area, or the torsional stiffness is caused to drop in order to guarantee the welding quality and sacrifice the structure stiffness of the vehicle cabin front lower end, which influences the vehicle body strength and safety. Therefore, the pole-mounted circuit breaker with switching-off buffer mechanism is provided to improve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a pole-mounted circuit breaker with switching-off buffer mechanism, which solves the problems in the background technology.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a pole-mounted circuit breaker with switching-off buffer mechanism, comprising a circuit breaker seat, a switching-on and switching-off operation handle is installed on the left side of the front end of the circuit breaker seat, an extension spring is connected to the rear end of the switching-on and switching-off operation handle, fixed rings are installed on the both sides of the switching-on and switching-off operation handle, a fixed port is arranged on the front end of the circuit breaker seat, and a limiting seat is arranged on the left side of the front end of the circuit breaker seat.

[0006] As a further technical scheme of the utility model, the switching-on and switching-off operation handle carries the fixed ring and rotates at the front end of the circuit breaker seat, the extension spring is connected to the limiting seat at the front end of the circuit breaker seat and the switching-on and switching-off operation handle respectively, and the fixed ring rotates at the rear end of the switching-on and switching-off operation handle and is clamped to the fixed port at the front end of the circuit breaker seat.

[0007] As a further technical scheme of the utility model, a pole is installed at the top end of the circuit breaker seat, an upper outgoing line terminal is installed at the top end of the pole, an eye ring is installed at the top end of the circuit breaker seat, support side plates are arranged on the both sides of the circuit breaker seat, a receiving module is installed at the top end of the support side plate, a current inductor is installed at the top end of the receiving module, and an electricity receiving support is connected to the top end of the current inductor.

[0008] As a further technical scheme of the utility model, a metal shell is arranged outside the circuit breaker seat, a temperature insulation layer is filled in the metal shell, and an insulating layer is covered in the metal shell.

[0009] As a further technical scheme of the utility model, the temperature insulation layer is filled in the interlayer of the metal shell, and the insulating layer is attached to the inner wall of the circuit breaker seat.

[0010] As a further technical scheme of the utility model, the front end of the circuit breaker seat is provided with an energy storage pointer, an energy storage sign is arranged below the energy storage pointer, a connecting seat is arranged on the right side of the front end of the circuit breaker seat, a split and close sign is arranged on the front end of the circuit breaker seat, a split and close pointer is arranged below the split and close sign, and a rotary seat is arranged on the front end of the circuit breaker seat.

[0011] As a further technical scheme of the utility model, the bottom of the circuit breaker seat is provided with a supporting base, a mounting screw rod is arranged in the bottom of the supporting base, a mounting base is arranged at the bottom of the mounting screw rod, and a rubber sleeve ring is arranged outside the mounting screw rod.

[0012] As a further technical scheme of the utility model, the mounting base carries the mounting screw rod and is rotatably arranged at the bottom of the supporting base, and the rubber sleeve ring is arranged outside the mounting screw rod between the mounting base and the supporting base.

[0013] Compared with the prior art, the utility model has the advantages that the circuit breaker on the pole with the split and close buffer mechanism not only realizes the split and close buffer function, the temperature insulation and insulation function, but also realizes the installation and adjustment function.

[0014] (1) By setting the split and close buffer structure, the utility model has the advantages that when in use, the split and close operation handle is rotated at the front end of the circuit breaker seat to split and close, the split and close operation handle is rotated to drive the telescopic spring to perform telescopic buffering with the limiting seat at the front end of the circuit breaker seat, the fixed ring is rotated at both sides of the split and close operation handle to enable the fixed ring to be clamped with the fixed port at the front end of the circuit breaker seat, thereby realizing the split and close buffer function.

[0015] (2) By setting the temperature insulation and insulation structure, the utility model has the advantages that when in use, the shell body of the circuit breaker seat is a metal shell, the inside of the metal shell is filled with a temperature insulation layer, the temperature insulation layer can be temperature insulation cotton, the temperature inside the circuit breaker seat is reduced to be affected by the outside temperature, an insulating layer is arranged on the inner side of the metal shell to increase the insulation of the circuit breaker seat and the safety of the use of the circuit breaker seat, thereby realizing the temperature insulation and insulation function.

[0016] (3) by setting installation adjustment structure, the utility model discloses the height of need is adjusted in use, and one and more rubber sleeve rings are set to the installation screw rod outside that is inserted at the top of installation base, then the installation screw rod of installation base top carries rubber sleeve ring and is connected from the support base with the screw engagement, then installation base is connected with electric pole etc., to realize installation adjustment function. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view structure schematic diagram of the utility model;

[0018] Figure 2 It is the circuit breaker seat and the enlarged structure schematic diagram of break operation handle of opening and closing of the utility model;

[0019] Figure 3 It is the circuit breaker seat and the enlarged structure schematic diagram of break operation handle of opening and closing of the utility model;

[0020] Figure 4 It is the enlarged structure schematic diagram of support base and installation base of the utility model.

[0021] In the drawing: 1, current sensor;2, receiving module;3, support side plate;4, upper outgoing line terminal;5, pole;6, lifting ring;7, circuit breaker seat;8, break operation handle of opening and closing;9, energy storage pointer;10, mark rotary seat;11, opening and closing mark;12, opening and closing pointer;13, energy storage mark board;14, connecting seat;15, support base;16, power receiving support;17, metal shell;18, temperature insulation layer;19, insulation layer;20, fixed ring;21, fixed mouth;22, extension spring;23, limit seat;24, rubber sleeve ring;25, installation base;26, installation screw rod. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: a pole-mounted circuit breaker with a break buffer mechanism, comprising a circuit breaker seat 7, a break operation handle 8 of opening and closing is installed at the left side of the front end of the circuit breaker seat 7, the rear end of the break operation handle 8 of opening and closing is connected with the extension spring 22, the both sides of the break operation handle 8 of opening and closing are installed with the fixed ring 20, the front end of the circuit breaker seat 7 is provided with the fixed mouth 21, the left side of the front end of the circuit breaker seat 7 is provided with the limit seat 23;

[0024] The opening and closing handle 8 carries the fixed ring 20 to rotate at the front end of the circuit breaker seat 7, the telescopic spring 22 is connected with the limiting seat 23 at the front end of the circuit breaker seat 7 and the opening and closing handle 8 respectively, and the fixed ring 20 is clamped with the fixed port 21 at the front end of the circuit breaker seat 7 after rotating at the rear end of the opening and closing handle 8;

[0025] Specifically, as shown in Figure 1 and Figure 3 , by setting the opening buffer structure, the opening and closing handle 8 is rotated at the front end of the circuit breaker seat 7 to open and close, when the opening and closing handle 8 is rotated at the front end of the circuit breaker seat 7, the telescopic spring 22 is telescopic buffered with the limiting seat 23 at the front end of the circuit breaker seat 7 by the rotation of the opening and closing handle 8, and the fixed ring 20 is clamped with the fixed port 21 at the front end of the circuit breaker seat 7 by rotating on both sides of the opening and closing handle 8, so that the opening buffer function is realized.

[0026] The pole 5 is installed at the top end of the circuit breaker seat 7, the upper outgoing terminal 4 is installed at the top end of the pole 5, the lifting ring 6 is installed at the top end of the circuit breaker seat 7, the supporting side plate 3 is arranged on both sides of the circuit breaker seat 7, the receiving module 2 is installed at the top end of the supporting side plate 3, the current sensor 1 is installed at the top end of the receiving module 2, the power receiving support 16 is connected with the top end of the current sensor 1, the metal shell 17 is arranged outside the circuit breaker seat 7, the temperature insulation layer 18 is filled in the interlayer inside the metal shell 17, and the insulating layer 19 covers the inside of the metal shell 17;

[0027] The temperature insulation layer 18 is filled in the interlayer inside the metal shell 17, and the insulating layer 19 is attached to the inner wall of the circuit breaker seat 7;

[0028] Specifically, as shown in Figure 1 and Figure 3 , by setting the temperature insulation and insulation structure, the shell body of the circuit breaker seat 7 is a metal shell 17, the inside of the metal shell 17 is filled with a temperature insulation layer 18, the temperature insulation layer 18 can be temperature insulation cotton, the inside of the metal shell 17 is laid with an insulating layer 19, the insulating property of the circuit breaker seat 7 is increased, the safety of the circuit breaker seat 7 is increased, and the temperature insulation and insulation function is realized.

[0029] The energy storage pointer 9 is installed at the front end of the circuit breaker seat 7, the energy storage signboard 13 is arranged below the energy storage pointer 9, the connecting seat 14 is arranged at the front right side of the circuit breaker seat 7, the opening and closing sign 11 is arranged at the front end of the circuit breaker seat 7, the opening and closing pointer 12 is arranged below the opening and closing sign 11, the mark rotating seat 10 is installed at the front end of the circuit breaker seat 7, the supporting base 15 is installed at the bottom of the circuit breaker seat 7, the installation screw rod 26 is inserted at the bottom of the supporting base 15, the installation base 25 is installed at the bottom of the installation screw rod 26, and the rubber sleeve ring 24 is sleeved outside the installation screw rod 26.

[0030] The mounting base 25 carries the mounting screw 26 to be rotatably mounted at the bottom of the supporting base 15, and the rubber sleeve 24 is sleeved outside the mounting screw 26 to be arranged between the mounting base 25 and the supporting base 15;

[0031] Specifically, as shown in Figure 1 and Figure 4 , by setting the mounting adjusting structure, the height is adjusted according to the requirement in use, one or more rubber sleeves 24 are sleeved outside the mounting screw 26 inserted at the top end of the mounting base 25, then the mounting screw 26 at the top end of the mounting base 25 carries the rubber sleeve 24 to be threadedly engaged with the supporting base 15, then the mounting base 25 is connected with the telegraph pole and the like, thereby realizing the mounting adjusting function.

[0032] Principle: in use, the height is adjusted according to the requirement, one or more rubber sleeves 24 are sleeved outside the mounting screw 26 inserted at the top end of the mounting base 25, then the mounting screw 26 at the top end of the mounting base 25 carries the rubber sleeve 24 to be threadedly engaged with the supporting base 15, then the circuit breaker base 7 is connected with the telegraph pole and the like through the mounting base 25, the circuit breaker base 7 is fixedly installed, then the shell main body of the circuit breaker base 7 is a metal shell 17, the inside of the metal shell 17 is filled with a temperature insulation layer 18, the temperature insulation layer 18 can be temperature insulation cotton, the temperature inside the circuit breaker base 7 is reduced to be affected by the outside temperature, the inside of the metal shell 17 is paved with an insulating layer 19, the insulating property of the circuit breaker base 7 is increased, the safety of the circuit breaker base 7 is increased, finally the opening and closing handle 8 is rotated in front of the circuit breaker base 7 to open and close, when the opening and closing handle 8 is rotated in front of the circuit breaker base 7, the opening and closing handle 8 is rotated to drive the telescopic spring 22 to be telescopically buffered with the limiting seat 23 at the front end of the circuit breaker base 7, the fixed ring 20 is rotated at both sides of the opening and closing handle 8 to make the fixed ring 20 be clamped with the fixed port 21 at the front end of the circuit breaker base 7.

[0033] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A pole-mounted circuit breaker having a tripping cushioning mechanism, comprising a circuit breaker housing (7), characterized in that: The front left side of the circuit breaker seat (7) is provided with a closing and opening handle (8), the rear end of the closing and opening handle (8) is connected with a telescopic spring (22), the two sides of the closing and opening handle (8) are provided with a fixed ring (20), the front end of the circuit breaker seat (7) is provided with a fixed port (21), and the front left side of the circuit breaker seat (7) is provided with a limiting seat (23).

2. The pole-mounted circuit breaker having a tripping buffer mechanism according to claim 1, characterized in that: The closing and opening handle (8) carries the fixed ring (20) to rotate at the front end of the circuit breaker seat (7), the telescopic spring (22) is connected with the limiting seat (23) at the front end of the circuit breaker seat (7) and the closing and opening handle (8) respectively, and the fixed ring (20) is connected with the fixed port (21) at the front end of the circuit breaker seat (7) through rotation at the rear end of the closing and opening handle (8).

3. The pole-mounted circuit breaker having a tripping buffer mechanism according to claim 1, characterized in that: The top end of the circuit breaker seat (7) is provided with a pole column (5), the top end of the pole column (5) is provided with an upper outgoing terminal (4), the top end of the circuit breaker seat (7) is provided with a lifting ring (6), the two sides of the circuit breaker seat (7) are provided with supporting side plates (3), the top end of the supporting side plate (3) is provided with a receiving module (2), the top end of the receiving module (2) is provided with a current sensor (1), and the top end of the current sensor (1) is connected with an electric connection support (16).

4. The pole-mounted circuit breaker having a tripping buffer mechanism according to claim 1, characterized in that: The circuit breaker seat (7) is externally provided with a metal shell (17), the inside of the metal shell (17) is filled with a temperature insulation layer (18), and the inside of the metal shell (17) is covered with an insulating layer (19).

5. The pole-mounted circuit breaker having a tripping buffer mechanism according to claim 4, characterized in that: The temperature insulation layer (18) is filled in the interlayer inside the metal shell (17), and the insulating layer (19) is attached to the inner wall of the circuit breaker seat (7).

6. The pole-mounted circuit breaker having a tripping buffer mechanism according to claim 1, characterized in that: The front end of the circuit breaker seat (7) is provided with an energy storage pointer (9), the lower side of the energy storage pointer (9) is provided with an energy storage signboard (13), the front right side of the circuit breaker seat (7) is provided with a connecting seat (14), the front end of the circuit breaker seat (7) is provided with a closing and opening sign (11), the lower side of the closing and opening sign (11) is provided with a closing and opening pointer (12), and the front end of the circuit breaker seat (7) is provided with a rotating seat (10).

7. The pole-mounted circuit breaker having a tripping buffer mechanism according to claim 1, characterized in that: The bottom of the circuit breaker seat (7) is provided with a supporting base (15), the bottom of the supporting base (15) is provided with a mounting screw rod (26), the bottom of the mounting screw rod (26) is provided with a mounting base (25), and the outside of the mounting screw rod (26) is provided with a rubber sleeve ring (24).

8. The pole-mounted circuit breaker having a tripping buffer mechanism according to claim 7, characterized in that: The mounting screw rod (26) is rotatably mounted on the bottom of the supporting base (15) and carries the mounting screw rod (26), and the rubber sleeve ring (24) is sleeved on the outside of the mounting screw rod (26) and is arranged between the mounting base (25) and the supporting base (15). The mounting screw rod (26) is rotatably mounted on the bottom of the supporting base (15) and carries the mounting screw rod (26), and the rubber sleeve ring (24) is sleeved on the outside of the mounting screw rod (26) and is arranged between the mounting base (25) and the supporting base (15).