CN213781974U

CN213781974U - Novel storage battery large-current protection fuse

Info

Publication number: CN213781974U
Application number: CN202022946881.XU
Authority: CN
Inventors: 武锦涛
Original assignee: Xi'an Xiangtai Electric Co ltd
Current assignee: Xi'an Xiangtai Electric Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-07-23
Anticipated expiration: 2030-12-07

Abstract

The utility model relates to a fuse technical field just discloses a novel battery heavy current protection fuse, including fire-retardant plastic protective housing and the fuse main part of card cover in fire-retardant plastic protective housing, the equal fixedly connected with layer board in the bottom inner wall four corners department of fire-retardant plastic protective housing, the layer board asks to connect the downside in the fuse main part, the upper end fixed joint of fire-retardant plastic protective housing has the crimping to press the frame at the rectangle of fuse main part upside, a plurality of solid fixed cylinders of the upper end outer wall symmetry fixedly connected with of fire-retardant plastic protective housing, the support column has been cup jointed to the solid fixed cylinder internal rotation, the crimping board of frame upside is pressed at the rectangle to the upper end fixedly connected with crimping of support column. The utility model discloses can realize dismantling between fire-retardant plastic protective housing and the fuse main part and be connected, be convenient for use the maintenance of fuse main part, save the cost.

Description

Novel storage battery large-current protection fuse

Technical Field

The utility model relates to a fuse technical field especially relates to a novel battery heavy current protection fuse.

Background

The fuse is an electric appliance which fuses a melt by heat generated by itself to open a circuit when a current exceeds a predetermined value. The fuse melts the melt by the heat generated by the fuse after the current exceeds a specified value for a period of time, so as to cut off the circuit; a current protector is made by applying the principle. The fuse is widely applied to high and low voltage distribution systems, control systems and electric equipment, and is one of the most commonly applied protection devices as a short circuit and overcurrent protector.

The electric arc that current fuse produced in order to separate fuse fusing process can add the fire-retardant plastic protective housing of cover at the fuse, nevertheless establishes mostly structure as an organic whole with the fuse to adding of fire-retardant plastic protective housing at present, and this makes and need destroy the protective housing when subsequent needs are maintained the fuse, and this has just caused the wasting of resources, the satisfying practical use demand that can not be fine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and establishing most and fuse structure as an organic whole to adding of fire-retardant plastic protective housing among the prior art, this makes and need destroy the protective housing when follow-up needs are maintained the fuse, and this has just caused the wasting of resources, the problem of satisfying the in-service use demand that can not be fine, and the novel battery heavy current protection fuse that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel battery heavy current protection fuse, includes fire-retardant plastic protective housing and the fuse main part of card cover in fire-retardant plastic protective housing, the equal fixedly connected with layer board in bottom inner wall four corners department of fire-retardant plastic protective housing, the layer board asks to connect the downside at the fuse main part, the upper end fixed joint of fire-retardant plastic protective housing has the crimping to press the frame at the rectangle of fuse main part upside, a plurality of solid fixed cylinder of upper end outer wall symmetry fixedly connected with of fire-retardant plastic protective housing, the support column has been cup jointed to the solid fixed cylinder internal rotation, the crimping board of frame upside is pressed at the rectangle to the upper end fixedly connected with crimping of support column.

Preferably, the upper end fixedly connected with location of layer board is inserted the post, the lower extreme of fuse main part is seted up and is inserted the location slot that the post corresponds the grafting with the location.

Preferably, the lower extreme symmetry fixedly connected with many connection inserted bars of frame are pressed to the rectangle, a plurality of connection slots that correspond the grafting with connecting the inserted bar are seted up to the upper end of fire-retardant plastic protective housing.

Preferably, the column wall of the support column is fixedly sleeved with two limiting ring plates which are arranged in an up-down symmetrical mode relative to the fixed cylinder.

Preferably, be located the downside a plurality of chucking inserted bars that are the annular and distribute the setting are evenly seted up on the surface of spacing collar plate, a plurality of chucking slots that correspond the grafting with the chucking inserted bar are seted up to the lower extreme of solid fixed cylinder, many the same annular arm-tie of lower extreme fixedly connected with of chucking inserted bar, the upper end of annular arm-tie and a plurality of covers of lower extreme fixedly connected with of spacing collar plate establish the chucking spring outside the chucking inserted bar.

Preferably, the outer wall of the annular pulling plate is coated with a layer of anti-skid and wear-resistant rubber pad.

Compared with the prior art, the utility model provides a novel battery heavy current protection fuse possesses following beneficial effect:

1. this novel battery heavy current protection fuse, carry out effectual protection to the fuse main part through the fire-retardant plastic protective housing that is equipped with, the layer board asks the downside that connects in the fuse main part to realize to connect spacingly to the support of fuse main part, the location is inserted the matching of post and positioning slot and is pegged graft and make the fuse main part better with the stability of being connected of fire-retardant plastic protective housing, the rethread is connected the matching of inserted bar and connecting slot and is pegged graft and make the firm crimping of rectangle pressure frame at the upside of fire-retardant plastic protective housing, the rotation support column is cup jointed in the rotation of rethread solid fixed cylinder and support column, and then make the crimping board crimping realize pressing the firm spacingly of frame to the rectangle at the upside of rectangle pressure frame, can realize dismantling between fire-retardant plastic protective housing and the fuse main part and be connected, be convenient for the maintenance to the fuse main part and use, save the cost.

2. This novel battery heavy current protection fuse, through the chucking inserted bar that is equipped with, after the crimping board rotates the crimping in rectangle pressure frame upside, the chucking slot is aimed at to many chucking inserted bars this moment, and the pull ring-shaped arm-tie on the chucking spring, annular arm-tie can realize fixing the section of thick bamboo and be connected with the relative firm between the support column in advancing the chucking inserted bar chucking slot with the chucking inserted bar for the pressure of crimping board is held the position and is more firm, has guaranteed the structure steadiness.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize dismantling between fire-retardant plastic protective housing and the fuse main part and be connected, be convenient for use the maintenance of fuse main part, save the cost.

Drawings

Fig. 1 is a schematic structural diagram of a novel battery large-current protection fuse provided by the present invention;

fig. 2 is the utility model provides a novel structural schematic diagram of battery heavy current protection fuse A part.

In the figure: the fuse comprises a flame-retardant plastic protective shell 1, a fuse body 2, a supporting plate 3, a rectangular pressing frame 4, a fixing barrel 5, a supporting column 6, a pressing plate 7, a positioning insertion column 8, a positioning insertion groove 9, a connecting insertion rod 10, a connecting insertion groove 11, a limiting ring plate 12, a clamping insertion rod 13, a clamping insertion groove 14, an annular pulling plate 15 and a clamping spring 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a novel battery heavy current protection fuse, fuse main part 2 in fire-retardant plastic protective housing 1 is including fire-retardant plastic protective housing 1 and card cover, the equal fixedly connected with layer board 3 in the bottom inner wall four corners department of fire-retardant plastic protective housing 1, layer board 3 asks to connect the downside at fuse main part 2, the upper end fixing clip of fire-retardant plastic protective housing 1 has the rectangle of crimping at fuse main part 2 upside to press frame 4, a plurality of solid fixed cylinders of the upper end outer wall symmetry fixedly connected with 5 of fire-retardant plastic protective housing 1, support column 6 has been cup jointed to solid fixed cylinder 5 internal rotation, the crimping board 7 of the upper end fixedly connected with crimping of support column 6 at rectangle pressure frame 4 upside.

The upper end fixedly connected with location of layer board 3 is inserted the post 8, and the lower extreme of fuse main part 2 is seted up and is inserted the location slot 9 that the post 8 corresponds the grafting with the location.

The lower end of the rectangular pressing frame 4 is symmetrically and fixedly connected with a plurality of connecting inserted rods 10, and the upper end of the flame-retardant plastic protective shell 1 is provided with a plurality of connecting slots 11 correspondingly spliced with the connecting inserted rods 10.

The wall of the supporting column 6 is fixedly sleeved with two limit ring plates 12 which are arranged up and down symmetrically relative to the fixed cylinder 5.

The surface that is located downside stop collar plate 12 evenly sets up a plurality of chucking inserted bar 13 that are the annular and distribute the setting, and a plurality of chucking slots 14 that correspond the grafting with chucking inserted bar 13 are seted up to the lower extreme of solid fixed cylinder 5, and the same annular arm-tie 15 of lower extreme fixedly connected with of many chucking inserted bar 13, and the upper end of annular arm-tie 15 and a plurality of cover of lower extreme fixedly connected with of stop collar plate 12 are established and are established chucking spring 16 outside chucking inserted bar 13.

The outer wall of the annular pulling plate 15 is coated with a layer of anti-skid and wear-resistant rubber pad.

In the utility model, when in use, the fuse main body 2 is effectively protected by the flame-retardant plastic protective shell 1, the supporting plate 3 is supported and connected at the lower side of the fuse main body 2 to realize the supporting and connecting limit of the fuse main body 2, the matching and inserting of the positioning inserting column 8 and the positioning inserting slot 9 ensures that the connection stability of the fuse main body 2 and the flame-retardant plastic protective shell 1 is better, the rectangular pressing frame 4 is stably pressed and connected at the upper side of the flame-retardant plastic protective shell 1 by the matching and inserting of the connecting inserting rod 10 and the connecting inserting slot 11, the supporting column 6 is rotated by the rotating and sleeving action of the fixed cylinder 5 and the supporting column 6, and the pressing plate 7 is pressed and connected at the upper side of the rectangular pressing frame 4 to realize the stable limit of the rectangular pressing frame 4, the detachable connection between the flame-retardant plastic protective shell 1 and the fuse main body 2 can be realized, the maintenance and the use of the fuse main body 2 are convenient, the cost is saved, through the chucking inserted bar 13 that is equipped with, after pressing the board 7 rotation crimping 4 tops on the rectangle pressure frame, many chucking inserted bars 13 aim at chucking slot 14 this moment, and the annular arm-tie 15 is pulled on the chucking spring 16, and annular arm-tie 15 can realize being connected with the relative firm between solid fixed cylinder 5 and the support column 6 in propelling the chucking slot 14 with chucking inserted bar 13 for the pressure of board 7 is held the position and is more firm, has guaranteed the structural stability.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel battery heavy current protection fuse, includes fuse main part (2) of fire-retardant plastic protective housing (1) and card cover in fire-retardant plastic protective housing (1), its characterized in that, the equal fixedly connected with layer board (3) of bottom inner wall four corners department of fire-retardant plastic protective housing (1), layer board (3) ask to connect the downside in fuse main part (2), the upper end fixing clip of fire-retardant plastic protective housing (1) has the rectangle of crimping at fuse main part (2) upside to press frame (4), the upper end outer wall symmetry fixedly connected with a plurality of solid fixed cylinder (5) of fire-retardant plastic protective housing (1), support column (6) have been cup jointed to solid fixed cylinder (5) internal rotation, the crimping board (7) of frame (4) upside is pressed at the rectangle to the upper end fixedly connected with crimping of support column (6).

2. A novel high-current protection fuse of a storage battery as claimed in claim 1, wherein the upper end of the supporting plate (3) is fixedly connected with a positioning insertion column (8), and the lower end of the fuse main body (2) is provided with a positioning insertion slot (9) which is correspondingly inserted with the positioning insertion column (8).

3. A novel high-current protection fuse of a storage battery as claimed in claim 1, wherein the lower end of the rectangular pressing frame (4) is symmetrically and fixedly connected with a plurality of connecting insertion rods (10), and the upper end of the flame-retardant plastic protection shell (1) is provided with a plurality of connecting insertion slots (11) correspondingly inserted with the connecting insertion rods (10).

4. A novel storage battery high-current protection fuse as claimed in claim 1, characterized in that the wall of the supporting column (6) is fixedly sleeved with two limit ring plates (12) which are arranged up and down symmetrically with respect to the fixed cylinder (5).

5. A novel storage battery large-current protection fuse according to claim 4, characterized in that a plurality of chucking insertion rods (13) distributed annularly are uniformly arranged on the surface of the limiting ring plate (12) at the lower side, a plurality of chucking insertion slots (14) correspondingly inserted with the chucking insertion rods (13) are arranged at the lower end of the fixed cylinder (5), a plurality of chucking insertion rods (13) are fixedly connected with the same annular pull plate (15), and a plurality of chucking springs (16) sleeved outside the chucking insertion rods (13) are fixedly connected with the upper end of the annular pull plate (15) and the lower end of the limiting ring plate (12).

6. A novel high-current protection fuse for storage batteries according to claim 5, characterized in that the outer wall of the ring-shaped pulling plate (15) is coated with a layer of anti-skid and wear-resistant rubber pad.