CN210984655U - Flip structure and circuit breaker - Google Patents

Abstract

The utility model provides a flip structure and a circuit breaker, wherein, the flip structure comprises a shell; and the flip cover is provided with a closed position and a positioning and holding position which is opened at a set angle with the shell. Therefore, during maintenance, the flip cover can be kept at the set opening position, so that the flip cover does not need to be held by hands, the operation is more convenient, and the maintenance efficiency is improved.

Description

Flip structure and circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field, concretely relates to flip structure and circuit breaker.

Background

The shell of the existing circuit breaker is provided with a groove for installing a metering module or a communication module, the groove is sealed by a flip cover, one end of the flip cover is hinged to the shell, and the other end of the flip cover is detachably connected with the shell through a screw. At present, flip from the closed state to with the in-process of open mode all very smooth and easy, the resistance is very little, flip can be automatic return under the action of gravity very often, lead to when maintaining, the staff need one hand flip, and the module of recess is operated to another hand, and the operation is more troublesome like this, has reduced maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the inconvenient defect of flip operation among the prior art to provide a convenient operation, maintain simple flip structure, and have the circuit breaker of this flip structure.

Therefore, the utility model provides a flip structure, including casing and flip, flip one end is equipped with the pivot portion of being connected with the casing rotation, flip has the closed position, and with the casing keeps the location holding position that the settlement angle was opened.

The shell is provided with a mounting groove for the rotating shaft part to be mounted and enter, the rotating shaft part is connected with the shell in a positioning mode through a positioning and retaining structure, the positioning and retaining structure comprises a positioning bulge and a first interference fit point, and the positioning bulge is arranged on the outer wall of the rotating shaft part; first interference fit point is located on the lateral wall of mounting groove, the location protruding with when first interference fit point interference fit is connected, flip with the casing is the angle a setting.

The angle a is 30-80 degrees.

The positioning and holding structure further comprises a second interference fit point which can be in interference fit connection with the positioning protrusion, and the second interference fit point is arranged on the positioning block on the bottom wall of the mounting groove; when the positioning protrusion is connected with the second interference fit point in an interference fit mode, the flip cover and the shell are arranged at an angle b, and the angle b is larger than the angle a.

The angle b is 90-150 degrees.

The cross section of the side wall is arc-shaped, and the cross section of the positioning block is trapezoidal.

One side of flip extends to the casing edge, casing edge shaping has from outside to inside slope upwards sets up, in order to expose the inclined plane of flip edge.

The utility model also provides a circuit breaker, include as above flip structure.

The opening direction of the flip cover is parallel to the length direction of the circuit breaker or parallel to the width direction of the circuit breaker.

The position of the flip corresponds to the position of the N phase of the circuit breaker.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a flip structure, flip have the closed position to and keep the location holding position that the settlement angle was opened with the casing, like this when maintaining, because flip can keep the open position of settlement, thereby need not to hold up flip with the hand, it is more convenient to operate, has improved maintenance efficiency.

2. The utility model provides a flip structure, location retaining structure includes: the positioning bulge is arranged on the outer wall of the rotating shaft part; first interference fit point is located on the lateral wall of mounting groove, and when the location arch was connected with first interference fit point interference fit, flip was angle a setting with the casing, and mutual interference fit's location arch and first interference fit point have simple structure's advantage.

3. The utility model provides a flip structure, angle a are 30-80, and flip also is as long as open less angle, allow the hand to stretch into to operate the module can, set up easy operation like this.

4. The utility model provides a flip structure, the positioning and maintaining structure also comprises a second interference fit point which can be connected with the positioning bulge in an interference fit way, and the second interference fit point is arranged on the positioning block on the bottom wall of the mounting groove; when the positioning protrusion is connected with the second interference fit point in an interference fit mode, the flip cover and the shell are arranged at an angle b, the angle b is larger than the angle a, when the angle b is 90-150 degrees, the module is more conveniently disassembled and assembled, a user can flexibly select the rotation angle of the flip cover according to actual requirements, and the operation is rapid and convenient.

5. The utility model provides a flip structure, one side of flip extends to the casing edge, and casing edge shaping has from outside-in slope upwards to set up, with the inclined plane at naked exposure flip edge, is favorable to the hand to support the flip edge like this, conveniently opens flip.

Drawings

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

Fig. 1 is a schematic view of the assembly of the housing and the flip cover of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 2;

FIG. 4 is a perspective view of the flip in the position retaining position;

FIG. 5 is an exploded view of the flip cover and the housing of FIG. 4;

FIG. 6 is a cross-sectional view of FIG. 4;

FIG. 7 is an enlarged view of the portion C of FIG. 6;

fig. 8 is a partial schematic view of fig. 1.

Description of reference numerals: 1. a cover is turned; 2. a housing; 21. mounting grooves; 22. a side wall; 23. a first interference fit point; 24. a second interference fit point; 25. positioning blocks; 26. a bevel; 27. perforating; 3. a rotating shaft part; 31. positioning the projection; 32. and (7) a pin shaft.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The present embodiment provides a circuit breaker, as shown in fig. 1 and 4, including a housing 2, a groove disposed on the housing 2 and adapted to accommodate a module, and a flip 1 disposed on the top of the groove.

As shown in fig. 2 and 3, the housing 2 is provided with a mounting groove 21 for the shaft portion 3 to be mounted therein, a side wall 22 of the mounting groove 21 in the width direction is provided with a first interference fit point 23, a bottom wall of the mounting groove is provided with a positioning block 25 disposed close to the side wall 22, and an inclined surface of the positioning block 25 is provided with a second interference fit point 24. As shown in fig. 8, one side of the flip cover 1 extends to the edge of the housing 2, and an inclined surface 26 is formed at the edge of the housing 2 and is inclined upward from outside to inside to expose the edge of the flip cover 1.

Flip 1, its position with the N of circuit breaker is corresponding mutually in the position, as shown in fig. 5-7, flip 1 length direction's one end is equipped with pivot portion 3, and 3 length direction's of pivot portion both ends are equipped with can with casing 2 perforate 27 adaptation connection's round pin axle 32, are equipped with location arch 31 on the outer wall of pivot portion 3, location arch 31 with when first interference fit 23 interference fit is connected, flip 1 with casing 2 is angle a setting, location arch 31 with when second interference fit 24 interference fit is connected, flip 1 with casing 2 is angle b setting, angle b is greater than angle a. In this embodiment, angle a is 30-80 and angle b is 90-150. In this embodiment, the bottom side and the two side edges of the cross section of the rotating shaft portion 3 are connected to form a U shape, the positioning protrusion 31 is the top end of the right side edge of the U-shaped rotating shaft portion 3, and the pin 32 is formed in the middle of the rotating shaft portion 3. In this embodiment, the opening direction of the flip cover 1 is parallel to the length direction of the circuit breaker.

As an alternative embodiment, the opening direction of the flap 1 is parallel to the width direction of the circuit breaker.

The utility model discloses a flip's opening process as follows:

manually driving the flip 1, rotating the rotating shaft part 3 clockwise from the closed position of fig. 3 to the first positioning and holding position of fig. 7, at this time, the positioning protrusion 31 on the rotating shaft part 3 is in interference fit with the first interference fit point 23 on the side wall 22, and the flip 1 and the housing 2 are arranged at an acute angle; and continuing to clockwise rotate to a second positioning and holding position, and interference-fitting the second interference-fitting point 24 on the positioning block 25 of the positioning boss 31 on the rotating shaft part 3, wherein at the moment, the flip cover 1 and the shell 2 are arranged at a right angle or an obtuse angle.

The utility model provides a flip structure, flip 1 have the closed position to and keep the location holding position that the angle of settlement was opened with casing 2, like this when maintaining, because flip 1 can keep the open position of settlement, thereby need not to hold up flip 1 with the hand, it is more convenient to operate, has improved maintenance efficiency.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A flip structure, comprising:

a housing (2);

the flip cover (1) is provided with a rotating shaft part (3) rotatably connected with the shell (2) at one end, and the flip cover (1) is provided with a closed position and a positioning and holding position which is opened at a set angle with the shell (2).

2. The structure of a flip cover according to claim 1, wherein the housing (2) is provided with a mounting groove (21) for the shaft portion (3) to be mounted therein, the shaft portion (3) is connected to the housing (2) by a positioning and retaining structure, and the positioning and retaining structure comprises:

a positioning bulge (31) arranged on the outer wall of the rotating shaft part (3);

first interference fit point (23) is located on lateral wall (22) of mounting groove (21), location arch (31) with when first interference fit point (23) interference fit is connected, flip (1) with casing (2) are angle a setting.

3. A flip structure according to claim 2, wherein said angle a is 30 ° -80 °.

4. The flip structure according to claim 2 or 3, wherein the positioning and retaining structure further comprises a second interference fit point (24) capable of being in interference fit connection with the positioning protrusion (31), and the second interference fit point (24) is disposed on the positioning block (25) on the bottom wall of the mounting groove (21);

the positioning protrusion (31) is in interference fit with the second interference fit point (24), the flip cover (1) and the shell (2) are arranged at an angle b, and the angle b is larger than the angle a.

5. A flip structure according to claim 4, wherein said angle b is 90 ° -150 °.

6. The flip structure according to claim 5, wherein the sidewall (22) has an arc-shaped cross-section, and the positioning block (25) has a trapezoid-shaped cross-section.

7. The structure of the flip cover according to claim 6, wherein one side of the flip cover (1) extends to the edge of the housing (2), and the edge of the housing (2) is formed with a slope (26) which is inclined upward from the outside to the inside to expose the edge of the flip cover (1).

8. A circuit breaker, characterized in that it comprises a flip structure according to any one of claims 1-7.

9. The circuit breaker according to claim 8, wherein the opening direction of the flip (1) is parallel to a length direction of the circuit breaker or parallel to a width direction of the circuit breaker.

10. The circuit breaker according to claim 9, characterized in that the flip (1) is located in a position corresponding to the position of the N phases of the circuit breaker.

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