CN216250588U

CN216250588U - Circuit breaker on post with movable location structure

Info

Publication number: CN216250588U
Application number: CN202122955024.0U
Authority: CN
Inventors: 闫秀章; 陈晓虎
Original assignee: Beijing Haochuang Ruitong Electrical Equipment Co ltd
Current assignee: Beijing Haochuang Ruitong Electrical Equipment Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-08
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a pole-mounted circuit breaker with a movable positioning structure, which comprises a mechanism box, wherein the top end of the mechanism box is respectively provided with an insulating pillar and a voltage transformer, the bottom end of the mechanism box is provided with a mounting plate, the bottom of the mounting plate is clamped with a fixing plate, and a plurality of limiting assemblies are sleeved in the fixing plate; the top of mounting panel is fixed and is provided with a plurality of support columns, and the middle part of support column is run through and is provided with hexagon socket head cap screw, and hexagon socket head cap screw's below is provided with the flexible subassembly with spacing subassembly matched with. According to the utility model, the limiting assembly is arranged, so that the mounting plate and the fixing plate can be quickly and automatically positioned, the circuit breaker does not need to be supported when the inner hexagon bolt is mounted on the circuit breaker, and the single-person mounting of the circuit breaker is further ensured; through setting up flexible subassembly, can realize utilizing flexible subassembly to release spacing subassembly to remove the restriction of spacing subassembly to the mounting panel, and then guarantee the quick dismantlement of circuit breaker.

Description

Circuit breaker on post with movable location structure

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a pole-mounted circuit breaker with a movable positioning structure.

Background

The circuit breaker is used for controlling and protecting a line and a transformer and has the functions of overload, short circuit, quick break, reclosing, under-voltage protection and grounding protection. With the rapid development of economy and the continuous increase of power supply amount in China, particularly the increasingly strengthened dependence of various customers on electric power, in order to improve the power supply reliability of a power grid, pole-mounted circuit breakers are often used for connection, segmentation and branch lines in the power grid so as to improve the power supply reliability of the power grid. Typically the base of the pole mounted circuit breaker is bolted to a bracket on the pole.

Wherein, patent number CN212570831U discloses a circuit breaker on post, this patent protects the bolt through protection component, thereby prevent the nut corrosion, avoid influencing the dismantlement of circuit breaker, and guarantee more firm of protection component installation through setting up the locating part, this patent and current circuit breaker are in the installation, directly adopt the bolt to fix, but in the actual operation process, because of the higher and circuit breaker quality of circuit breaker mounted position is heavier, the staff operates inconveniently, hardly realize holding the circuit breaker on one side, screw up the bolt on one side, double operation not only complex operation has increased installation cost, consequently, need realize carrying out quick pre-positioning when the circuit breaker is installed, thereby realize the quick installation of circuit breaker.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the pole-mounted circuit breaker with the movable positioning structure, which has the advantages of quick pre-positioning, convenient installation and simple operation, and further solves the problem that the existing circuit breaker can not be installed by a single person quickly.

(II) technical scheme

In order to realize the advantages of quick prepositioning, convenient installation and simple operation, the utility model adopts the following specific technical scheme:

a pole-mounted circuit breaker with a movable positioning structure comprises a mechanism box, wherein the top end of the mechanism box is respectively provided with an insulating pillar and a voltage transformer, the bottom end of the mechanism box is provided with a mounting plate, the bottom of the mounting plate is clamped with a fixing plate, and a plurality of limiting assemblies matched with the mounting plate are sleeved inside the fixing plate; the top of mounting panel is fixed and is provided with a plurality of support columns, and the middle part of support column is run through and is provided with hexagon socket head cap screw, and hexagon socket head cap screw's below and the inside that is located the mounting panel are provided with spacing subassembly matched with flexible subassembly.

Further, in order to realize the sealing protection of hexagon socket head cap screw, spacing subassembly and flexible subassembly, the top cover of support column is equipped with the gum cover, is interference fit between gum cover and the support column, and the circumference outside cover of mounting panel is equipped with the sealing washer, interference fit between the inner wall of sealing washer and fixed plate.

Furthermore, in order to ensure the stable installation of the installation plate, an installation column is arranged inside the fixed plate and under the hexagon socket head cap screw; the middle part of the mounting column is vertically provided with an internal thread hole meshed with the hexagon socket head cap screw.

Furthermore, in order to realize the quick positioning of the mounting plate, the limiting assembly comprises a limiting block which is arranged in the fixing plate in a sliding manner, and one end of the limiting block is provided with a first compression spring and a square sealing plate; the one end that the stopper is close to the mounting panel is the arc structure, and the arcwall face of mounting panel up, and the both sides of mounting panel run through and set up the through-hole that is linked together with the stopper.

Furthermore, in order to relieve the limiting effect of the limiting block by using the hexagon socket head cap screw, the telescopic assembly comprises a fixed sleeve which is fixedly arranged on the inner wall of the mounting plate and has the same axis with the limiting block; the inside slip of fixed cover is provided with flexible piece, and the outside cover of flexible piece is equipped with second compression spring, and the one end cross-section that stopper was kept away from to flexible piece is ellipsoid structure, and the one end of flexible piece is located hexagon socket head cap screw under, and the other end and the through-hole of flexible piece are linked together.

(III) advantageous effects

Compared with the prior art, the utility model provides the pole-mounted circuit breaker with the movable positioning structure, which has the following beneficial effects:

(1) the limiting assembly is arranged, so that the mounting plate and the fixing plate can be quickly and automatically positioned, the circuit breaker does not need to be supported when the inner hexagon bolt is mounted on the circuit breaker, single-person mounting of the circuit breaker is guaranteed, and potential safety hazards are reduced; through setting up flexible subassembly, can realize utilizing flexible subassembly to release spacing subassembly to remove the restriction of spacing subassembly to the mounting panel, and then guarantee the quick dismantlement of circuit breaker.

(2) By arranging the rubber sleeve, the rubber sleeve can be matched with the support column in a sealing manner, so that the inner hexagon bolt is prevented from being rusted, and the quick disassembly of the circuit breaker is ensured; through setting up sealing washer and closing plate, can guarantee that spacing subassembly and flexible subassembly are in relatively sealed space to avoid spacing subassembly and flexible subassembly to be corroded, and then guarantee the life of spacing subassembly and flexible subassembly.

(3) The one end through with the stopper sets up to the arc structure to set up the one end of flexible piece into the ellipsoid structure, can guarantee that stopper and flexible piece stretch out and draw back automatically under mounting panel and hexagon socket head cap screw's effect respectively, thereby guaranteed the quick installation and the dismantlement of mounting panel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an isometric view of a pole top circuit breaker having a movable positioning structure according to an embodiment of the present invention;

fig. 2 is an exploded view of a mounting plate and a fixed plate in the pole top circuit breaker having a movable positioning structure according to an embodiment of the present invention;

fig. 3 is a sectional view of a mounting plate and a fixed plate in the pole top circuit breaker having a movable positioning structure according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural diagram of a limiting block in the pole-mounted circuit breaker with a movable positioning structure according to an embodiment of the utility model;

fig. 6 is a schematic structural view of a telescopic block in the pole top circuit breaker having a movable positioning structure according to an embodiment of the present invention.

In the figure:

1. a mechanism box; 2. an insulating support; 3. a voltage transformer; 4. mounting a plate; 5. a fixing plate; 6. a limiting component; 601. a limiting block; 602. a first compression spring; 603. a sealing plate; 7. a support pillar; 8. a hexagon socket head cap screw; 9. a telescoping assembly; 901. fixing a sleeve; 902. a telescopic block; 903. a second compression spring; 10. a rubber sleeve; 11. a seal ring; 12. mounting a column; 13. and a through hole.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, there is provided a pole top circuit breaker having a movable positioning structure.

The utility model will be further described with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-2, according to the pole-mounted circuit breaker with a movable positioning structure of the embodiment of the utility model, the circuit breaker includes a mechanism box 1, the top end of the mechanism box 1 is respectively provided with an insulating pillar 2 and a voltage transformer 3, the bottom end of the mechanism box 1 is provided with a mounting plate 4, the bottom of the mounting plate 4 is provided with a fixing plate 5 in a clamping manner (the top of the fixing plate 5 is provided with a mounting notch with the same size as the mounting plate 4), and a plurality of limiting assemblies 6 matched with the mounting plate 4 are sleeved in the fixing plate 5; the top of mounting panel 4 is fixed and is provided with a plurality of support columns 7, and the middle part of support column 7 runs through and is provided with hexagon socket head cap screw 8 (hexagon socket head cap screw 8 is half tooth round head screw), and the below of hexagon socket head cap screw 8 and the inside that is located mounting panel 4 are provided with spacing subassembly 6 matched with flexible subassembly 9.

By means of the technical scheme, the limiting assembly 6 is arranged, so that the mounting plate 4 and the fixing plate 5 can be quickly and automatically positioned, the circuit breaker does not need to be supported when the inner hexagon bolt 8 is mounted on the circuit breaker, single-person mounting of the circuit breaker is guaranteed, and potential safety hazards are reduced; through setting up flexible subassembly 9, can realize utilizing flexible subassembly 9 to release spacing subassembly 6 to remove the restriction of spacing subassembly 6 to mounting panel 4, and then guarantee the quick dismantlement of circuit breaker.

In one embodiment, the top of the supporting column 7 is sleeved with a rubber sleeve 10 (the rubber sleeve 10 is made of flexible materials), and the rubber sleeve 10 and the supporting column 7 are in interference fit, wherein a sealing ring 11 is sleeved on the outer side of the circumference of the mounting plate 4, and the sealing ring 11 and the inner wall of the fixing plate 5 are in interference fit, and the mounting column 12 is arranged inside the fixing plate 5 and just below the hexagon socket head cap screw 8 (the height of the mounting column 12 is smaller than the depth of the mounting notch); the middle part of the mounting column 12 is vertically provided with an internal thread hole meshed with the hexagon socket head cap screw 8, so that the sealing property and firmness of the mounting plate 4 are ensured.

In one embodiment, as shown in fig. 3-5, the limiting component 6 includes a limiting block 601 slidably disposed inside the fixing plate 5, and a first compression spring 602 and a square sealing plate 603 are disposed at one end of the limiting block 601; the one end that stopper 601 is close to mounting panel 4 is the arc structure, and mounting panel 4's arc face is upwards, and the both sides of mounting panel 4 run through and set up the through-hole 13 that is linked together with stopper 601.

The working principle of the limiting assembly 6 is as follows: the mounting plate 4 compresses the limiting block 601, the limiting block 601 extrudes the first compression spring 602 and contracts, and when the limiting block 601 is aligned with the through hole 13, the limiting block 601 enters the through hole 13 under the action of the first compression spring 602 and performs pre-positioning on the mounting plate 4.

In one embodiment, as shown in fig. 6, the telescopic assembly 9 includes a fixing sleeve 901 fixedly disposed on the inner wall of the mounting plate 4 and coaxial with the limiting block 601; the inside of fixed cover 901 slides and is provided with flexible piece 902, and the outside cover of flexible piece 902 is equipped with second compression spring 903, and the one end cross-section that stopper 601 was kept away from to flexible piece 902 is ellipsoid structure, and the one end of flexible piece 902 is located hexagon socket head cap screw 8 under, and the other end and the through-hole 13 of flexible piece 902 are linked together.

The working principle of the telescopic assembly 9 is as follows: the hexagon socket head cap screw 8 extrudes one end of the telescopic block 902, the telescopic block 902 extrudes the second compression spring 903 and shrinks in the fixed sleeve 901, and the other end of the telescopic block 902 extends into the through hole 13 and pushes the limit block 601 out of the through hole 13.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the mounting plate 4 is aligned with the mounting notch of the fixing plate 5 on the bracket, the mounting plate 4 is placed into the fixing plate 5, the edges of the two sides of the mounting plate contact the limiting block 601 and the limiting block 601 is contracted, when the limiting block 601 is aligned with the through hole 13, the limiting block 601 enters the through hole 13 of the mounting plate 4, so that the mounting plate 4 is pre-positioned, an installer can release the circuit breaker at the moment, the hexagon socket head cap screw 8 is placed into the support column 7 to be screwed, and the stable mounting of the mounting plate 4 and the fixing plate 5 is ensured through the mutual matching of the hexagon socket head cap screw 8 and the mounting column 12;

simultaneously when hexagon socket head cap screw 8 precession erection column 12, the flexible piece 902 of outer wall compression of hexagon socket head cap screw 8, flexible piece 902 releases stopper 601 to the restriction of stopper 601 to mounting panel 4 has been removed, consequently when the circuit breaker is dismantled to needs, only need unscrew hexagon socket head cap screw 8 erection column 12, nevertheless does not deviate from mounting panel 4, utilizes hexagon socket head cap screw 8 still to extrude flexible piece 902, thereby can guarantee pulling out fast of mounting panel 4.

In conclusion, by means of the technical scheme, the limiting assembly 6 is arranged, so that the mounting plate 4 and the fixing plate 5 can be quickly and automatically positioned, the circuit breaker does not need to be supported when the inner hexagon bolt 8 is mounted on the circuit breaker, single-person mounting of the circuit breaker is guaranteed, and potential safety hazards are reduced; by arranging the telescopic assembly 9, the limiting assembly 6 can be pushed out by utilizing the telescopic assembly 9, so that the limitation of the limiting assembly 6 on the mounting plate 4 is removed, and the quick disassembly of the breaker is ensured; by arranging the rubber sleeve 10, the rubber sleeve 10 can be matched with the support column 7 in a sealing manner, so that the inner hexagonal bolt 8 is prevented from being rusted, and the breaker is guaranteed to be disassembled quickly; by arranging the sealing ring 11 and the sealing plate 603, the limiting assembly 6 and the telescopic assembly 9 can be ensured to be in a relatively sealed space, so that the limiting assembly 6 and the telescopic assembly 9 are prevented from being corroded, and the service lives of the limiting assembly 6 and the telescopic assembly 9 are further ensured; through setting up the one end with stopper 601 into the arc structure to set up the one end of flexible piece 902 into the ellipsoid structure, can guarantee that stopper 601 and flexible piece 902 stretch out and draw back automatically under the effect of mounting panel 4 and hexagon socket head cap screw 8 respectively, thereby guaranteed mounting panel 4's quick installation and dismantlement.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a circuit breaker on post with movable location structure, this circuit breaker includes mechanism case (1), the top of mechanism case (1) is provided with insulating pillar (2) and voltage transformer (3) respectively, its characterized in that:

the bottom end of the mechanism box (1) is provided with a mounting plate (4), the bottom of the mounting plate (4) is provided with a fixing plate (5) in a clamping mode, and a plurality of limiting assemblies (6) matched with the mounting plate (4) are sleeved inside the fixing plate (5);

the top of mounting panel (4) is fixed and is provided with a plurality of support columns (7), the middle part of support column (7) is run through and is provided with hexagon socket head cap screw (8), the below of hexagon socket head cap screw (8) just is located the inside of mounting panel (4) be provided with spacing subassembly (6) matched with flexible subassembly (9).

2. The pole-mounted circuit breaker with the movable positioning structure as claimed in claim 1, wherein the top of the supporting pole (7) is sleeved with a rubber sleeve (10), and the rubber sleeve (10) and the supporting pole (7) are in an interference fit.

3. The pole-mounted circuit breaker with the movable positioning structure as claimed in claim 1 or 2, wherein the mounting plate (4) is sleeved with a sealing ring (11) at the outer side of the circumference, and the sealing ring (11) is in interference fit with the inner wall of the fixing plate (5).

4. The pole-mounted circuit breaker with movable positioning structure as claimed in claim 1, wherein a mounting column (12) is disposed inside the fixing plate (5) and right below the hexagon socket head cap screw (8);

and the middle part of the mounting column (12) is vertically provided with an internal thread hole meshed with the inner hexagon bolt (8).

5. The pole breaker with movable positioning structure of claim 1 or 4, wherein the limiting component (6) comprises a limiting block (601) slidably disposed inside the fixing plate (5), one end of the limiting block (601) is provided with a first compression spring (602) and a square sealing plate (603);

the limiting block (601) is close to one end of the mounting plate (4) and is of an arc-shaped structure, the arc-shaped surface of the mounting plate (4) faces upwards, and through holes (13) communicated with the limiting block (601) are formed in the two sides of the mounting plate (4) in a penetrating mode.

6. The pole breaker with movable positioning structure of claim 5, wherein the telescopic assembly (9) comprises a fixing sleeve (901) fixedly arranged on the inner wall of the mounting plate (4) and coaxial with the limiting block (601);

the telescopic block (902) is arranged in the fixed sleeve (901) in a sliding mode, a second compression spring (903) is sleeved on the outer side of the telescopic block (902), and the section of one end, far away from the limiting block (601), of the telescopic block (902) is of an ellipsoidal structure.

7. The pole-mounted circuit breaker with movable positioning structure as claimed in claim 6, wherein one end of said telescopic block (902) is located right below said hexagon socket head cap screw (8), and the other end of said telescopic block (902) is communicated with said through hole (13).