CN214428592U - Fuse type isolating switch for photovoltaic - Google Patents

Abstract

The utility model provides a fuse formula isolator for photovoltaic, include: the switch body is provided with an opening which is arranged at the top of the switch body and used for the fuse core seat to extend out, and a stop block which is arranged close to the opening, at least one sliding groove which extends along the vertical direction is arranged on a side plate of the switch body, and positioning bulges are arranged at the top and the bottom of the sliding groove; the fuse core seat is installed on the switch body in a sliding mode, the fuse core seat is provided with a use position, in which the fuse core is located inside the switch body, and the fuse core seat extends out of an opening of the switch body to replace the fuse core. When the fusible core needs to be replaced, the fusible core seat is slid to the replacement position, and compared with the prior art, the replacement is more rapid and convenient.

Description

Fuse type isolating switch for photovoltaic

Technical Field

The utility model relates to a low-voltage apparatus technical field, concretely relates to fuse formula isolator for photovoltaic.

Background

The fuse is an electric appliance in which a fusible core is fused by heat generated by the fuse when a current exceeds a predetermined value, thereby breaking a circuit.

The fuse includes the casing to and locate the fusible core subassembly in the casing, and current casing passes through screw assembly, when needing to be changed the fusible core, need twist out the back with the help of the screwdriver earlier with the screw, just can take out the fusible core, wastes time and energy like this, changes inefficiency.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the fuse among the prior art and changing the defect that the fusible core is wasted time and energy, work efficiency is low to a fuse formula isolator for photovoltaic that change efficiency is high is provided.

Therefore, the utility model provides a fuse formula isolator for photovoltaic, including switch body and fusible core seat. The switch body is provided with an opening which is arranged at the top of the switch body and used for the fuse core seat to extend out, and a stop block which is arranged adjacent to the opening, at least one sliding groove which extends along the vertical direction is arranged on a side plate of the switch body, and positioning bulges are arranged at the top and the bottom of the sliding groove; the fuse core seat is slidably mounted on the switch body and provided with a use position where the fuse core is located inside the switch body and a replacement position where the fuse core is replaced, the fuse core seat is provided with a sliding block which can correspond to the sliding groove and is in sliding connection with the sliding groove, the side face of the sliding block is formed with a limiting part which is abutted against the stop block to prevent the fuse core seat from being separated from the switch body, and one side of the sliding block, which faces the side plate, is provided with a positioning groove which is in fit connection with the positioning protrusion.

The spout has two, and follows the length direction interval of switch body sets up, two the width of spout is different.

And an indicating mark for indicating the installation direction of the fusible core holder is formed on the fusible core holder.

The fuse core holder is used for fixing the fuse core holder in the use position.

The lead sealing structure includes: the first through hole is formed in the fusible core seat; the second through hole is formed in the top of the switch body and is opposite to the first through hole; and the lead seal sequentially penetrates through the first through hole and the second through hole and then locks and connects the fuse core seat with the switch body.

The lead sealing structure includes: the first through hole is formed in the fusible core seat; the second through hole is formed in the top of the switch body and is arranged in parallel with the first through hole; and the lead seal sequentially penetrates through the first through hole and the second through hole and then locks and connects the fuse core seat with the switch body.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a fuse type disconnecting switch for photovoltaic, including switch body and fusible core seat, the fusible core seat has the fusible core and is located the inside position of using of switch body to and stretch out the switch body opening, with the change position of changing the fusible core, when needing to change the fusible core, slide the fusible core seat to change the position, compare with prior art, change more swiftly and conveniently like this; in addition, a limit part which is abutted against the stop block to prevent the fuse core seat from being separated from the switch body is formed on the side surface of the sliding block, so that the reliability is improved; and the one side of slider towards the curb plate is equipped with the constant head tank with location protruding adaptation connection to make the fusible core seat be connected with switch body location when being in the use position or change the position, convenient to use like this.

2. The utility model provides a fuse formula isolator for photovoltaic, the shaping has the instruction mark that is used for instructing its installation direction on the fusible core seat, and two spouts set up along the length direction interval of switch body, and the width is different to make the fusible core seat can not the misloading direction.

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 perspective view of a fusible core holder of a fuse-type disconnector for photovoltaic use in a position of use;

FIG. 2 is a perspective view of FIG. 1 with a portion of the housing removed;

FIG. 3 is a perspective view of a fuse holder of the photovoltaic fusible disconnect switch in a replacement position;

FIG. 4 is a perspective view of FIG. 3 with a portion of the housing removed;

FIG. 5 is a perspective view of the fuse block;

FIG. 6 is a side view of the fuse holder;

FIG. 7 is a front view of the switch body;

FIG. 8 is a perspective view of a second embodiment of a fuse holder of the fused disconnect switch for photovoltaic;

fig. 9 is a perspective view of a third embodiment of a fuse holder of the fused disconnect switch for photovoltaic use.

Description of reference numerals: 1. a switch body; 11. a chute; 12. a stopper; 13. positioning the projection; 15. a second perforation; 2. a fusible core holder; 21. a slider; 22. a limiting member; 23. positioning a groove; 25. a first perforation; 26. An indicator mark.

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 embodiment provides a fuse type disconnecting switch for photovoltaic, which comprises a switch body 1, a fusible core holder 2 and a lead sealing structure, as shown in fig. 1 to 4.

Switch body 1, as shown in fig. 2, 4 and 7, has the opening of locating its top, supplying the fusible core seat 2 to stretch out, and is close to dog 12 that the opening part set up, be equipped with two spouts 11 that extend along vertical direction on switch body 1's the curb plate, two spout 11 is followed switch body 1's length direction interval sets up, and the width is different, just the top and the bottom of spout 11 all are equipped with location arch 13, and in this embodiment, the cross section of location arch 13 is the arc.

The fuse core holder 2 is slidably mounted on the switch body 1, as shown in fig. 5 and 6, the fuse core holder has a use position where the fuse core is located inside the switch body 1, and a replacement position extending out of an opening of the switch body 1 to replace the fuse core, a mounting cavity (not shown in the fuse core drawing) suitable for mounting the fuse core is formed in the middle of the fuse core holder 2, a slider 21 capable of corresponding to the sliding chute 11 is arranged on the fuse core holder 2, a limiting member 22 abutting against the stopper 12 to prevent the fuse core holder 2 from being separated from the switch body 1 is formed on a side surface of the slider 21 facing the side plate, and a positioning groove 23 adapted to the positioning protrusion 13 is formed on one side surface of the slider 21 facing the side plate. An indication mark 26 for indicating the installation direction of the fusible core holder 2 is formed thereon.

The lead sealing structure, as shown in fig. 1 and 9, includes: a first through hole 25 formed in the fusible core holder 2; a second through hole 15 formed at the top of the switch body 1 and disposed opposite to the first through hole 25; and the lead seal sequentially penetrates through the first through hole 25 and the second through hole 15, and then the fuse core seat 2 is connected with the switch body 1 in a locking mode. Through setting up the lead seal to remind maintainer fused core seat whether to have by private opening.

As an alternative embodiment, as shown in fig. 8, the first through-hole 25 and the second through-hole 15 are arranged side by side in the left-right direction.

As an alternative embodiment, the number of runners 11 and slides 21 can be 1, 2, 3 or more.

The utility model provides a fuse formula isolator for photovoltaic, including switch body 1 and fusible core seat 2, fusible core seat 2 has the fusible core and is located the use position of switch body 1 inside to and stretch out the switch body 1 opening, with the change position of changing the fusible core, when needing to change the fusible core, slide fusible core seat 2 to change the position, compare with prior art, change more swiftly and conveniently like this; in addition, a limit piece 22 which is abutted against the stop block 12 to prevent the fuse holder 2 from being separated from the switch body 1 is formed on the side surface of the slide block 21, so that the reliability is improved; and the side of the slide block 21 facing the side plate is provided with a positioning groove 23 which is connected with the positioning bulge 13 in a matching way, so that the fusible core holder 2 is positioned and connected with the switch body 1 when being in a use position or a replacement position, and the use is convenient.

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 (6)

1. A fused disconnect switch for photovoltaics, comprising:

the fuse core holder is characterized by comprising a switch body (1) and a positioning piece, wherein the switch body (1) is provided with an opening which is formed in the top of the switch body and used for enabling a fuse core holder (2) to extend out, and a stop block (12) which is arranged close to the opening, at least one sliding groove (11) extending in the vertical direction is formed in a side plate of the switch body (1), and positioning bulges (13) are arranged at the top and the bottom of the sliding groove (11);

the fuse core seat (2) is slidably mounted on the switch body (1), the fuse core seat is provided with a use position where the fuse core is located inside the switch body (1) and a replacement position where the fuse core extends out of an opening of the switch body (1) to replace the fuse core, a sliding block (21) which is in sliding connection with the corresponding sliding groove (11) is arranged on the fuse core seat (2), a limiting piece (22) which is abutted to the stop block (12) to prevent the fuse core seat (2) from being separated from the switch body (1) is formed on the side face of the sliding block (21), and a positioning groove (23) which is in adaptive connection with the positioning protrusion (13) is arranged on one face, facing the side plate, of the sliding block (21).

2. A fused disconnector according to claim 1, characterized in that there are two said chutes (11) and are spaced apart along the length of the switch body (1), and the widths of the two said chutes (11) are different.

3. A fused disconnector according to claim 1 or 2, characterized in that the core carrier (2) is formed with an indication mark (26) for indicating its mounting direction.

4. A fused disconnector according to claim 1, characterized in that it further comprises a lead sealing structure for locking the core holder (2) in the position of use.

5. A fused disconnect switch for photovoltaics according to claim 4, wherein the lead seal structure comprises:

a first through hole (25) formed in the fusible core holder (2);

the second through hole (15) is formed in the top of the switch body (1) and is opposite to the first through hole (25);

and lead sealing, wherein the fuse core seat (2) is connected with the switch body (1) in a locking way after sequentially passing through the first through hole (25) and the second through hole (15).

6. A fused disconnect switch for photovoltaics according to claim 4, wherein the lead seal structure comprises:

a first through hole (25) formed in the fusible core holder (2);

the second through hole (15) is formed in the top of the switch body (1) and is arranged side by side with the first through hole (25);

and lead sealing, wherein the fuse core seat (2) is connected with the switch body (1) in a locking way after sequentially passing through the first through hole (25) and the second through hole (15).

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