CN218548360U

CN218548360U - Waterproof fuse

Info

Publication number: CN218548360U
Application number: CN202221098027.5U
Authority: CN
Inventors: 苏亚军
Original assignee: Nantong Development Zone Dongsheng Electronics Co ltd
Current assignee: Nantong Development Zone Dongsheng Electronics Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2023-02-28
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a waterproof fuse, belong to the power equipment field, a waterproof fuse, including the swivel nut of screwing, the outer pot head of the swivel nut of screwing has the right side screw rod, and catch on right side screw rod outside step, the swivel nut of screwing is on the screw rod of left side, the card has the gasket in the middle of right side screw rod and the left side screw rod, a cavity is constituteed to left side screw rod and right side screw rod and gasket, it has a conductive spring to accommodate in the cavity, two spring seats, the fuse, be connected with on the screw rod of left side and be located left terminal and spring seat, and through spring seat fixed screw connection, the terminal that is located the right side passes through the copper screw fixation on the screw rod of right side, the outside difference buckle of two terminals has the sealing washer, the outside difference buckle of two sealing washers has the packing ring, this device can be in the specially adapted street lamp pole single-lamp overcurrent protection, adsorbable in street lamp pole inner wall after the installation, and have waterproof function, it is more convenient to connect the line and change the fuse.

Description

Waterproof fuse

Technical Field

The utility model relates to a power equipment field, more specifically say, relate to a waterproof fuse.

Background

The fuse is an electric appliance which fuses a melt by heat generated by itself when current exceeds a specified value and breaks a circuit, and the fuse is a current protector which is manufactured by applying the principle that the melt is fused by heat generated by itself after the current exceeds the specified value for a period of time so as to break the circuit.

Traditional fuse simple structure does not take waterproof function, soaks all can bring dangerous hidden danger for the power consumption safety in humid environment or short time rainwater, and installs and change the fuse inconvenient.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a waterproof fuse, single-lamp overcurrent protection in it can the specially adapted street lamp pole, adsorbable in street lamp pole inner wall after the installation to have waterproof function, it is more convenient to work a telephone switchboard and change the fuse.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a waterproof fuse, includes the swivel nut of screwing, the outer pot head of the swivel nut of screwing has the right side screw rod to catch on right side screw rod outside step, the swivel nut of screwing is on the screw rod of left side, the card has the gasket in the middle of right side screw rod and the left side screw rod, a cavity is constituteed to left side screw rod and right side screw rod and gasket, hold a conductive spring, two spring seats, fuse in the cavity, be connected with on the screw rod of left side and be located left terminal and spring seat to through spring seat fixed screw connection, be located the right side the terminal passes through the copper screw fixation on the screw rod of right side, two the outside difference buckle of terminal has the sealing washer, two the outside difference buckle of sealing washer has the packing ring, two the outside difference card of sealing washer is equipped with compresses tightly the lid, is located left compress tightly the outside of lid spiral nut on the left side screw rod, compress tightly the outside of lid spiral nut on the right side screw rod, the outside in the left side screw rod is located the left side the magnet fixing base outside, four magnet can be applicable to the street lamp pole is changed in the street lamp pole in the simple lamp pole of overflowing in the installation, and the street lamp pole is convenient to the street lamp pole is installed through the street lamp pole of the simple street lamp pole of the street lamp is installed to the street lamp is convenient to the street lamp pole is crossed.

Furthermore, electrically conductive spring, two spring seats all assemble together, form electrically conductive spring subassembly, and the slot is seted up in the spring seat outside, is convenient for can catch on the spring silk, effectively prevents that the spring from droing.

Furthermore, a cavity is formed by the screwing threaded sleeve, the left screw rod, the right screw rod and the sealing piece, and the fuse wire is conveniently accommodated by the cavity.

Furthermore, be located the left the terminal is fixed at the flat filament inslot of left side screw rod, the terminal surface be provided with left side screw rod assorted flat filament, the left side screw rod just is equipped with the hole that slightly is little than the screw hole external diameter just to the screw hole department of terminal, is convenient for utilize hexagonal spanner through this hole to screw up the line ball screw from the left side screw rod outside, loosens line ball screw to extreme position, and line ball screw terminal surface can push up left side screw rod inner wall, guarantees that the line ball screw can not drop.

Further, the water-proof effects that lie in waterproof fuse both sides inlet wire end are accomplished through compressing tightly the lid, compelling tight circle, sealing washer respectively, and the lid is compressed tightly to screw, compels tight circle to be compelled to adduct, and the sealing washer produces and warp the adduction, and the locking both ends penetrate the wire, and the contact surface of sealing washer and left side screw rod produces pressure simultaneously and forms waterproof function.

Further, be located the left magnet fixing base suit is in the left side screw rod outside, magnet fixing base bottom is fixed with two magnets, and magnet fixing base suit is in the right side screw rod outside, can be convenient for adsorb waterproof fuse in the lamp pole inboard through four magnets.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) This scheme device can the specially adapted single lamp overcurrent protection in the street lamp pole, and the installation back is adsorbable in street lamp pole inner wall to have waterproof function, the wiring and change fuse are more convenient.

(2) Through all assembling conductive spring, two spring seats together, form conductive spring subassembly, the slot is seted up in the spring seat outside, is convenient for can catch on the spring silk, prevents effectively that the spring from droing.

(3) Through just being equipped with the hole slightly littleer than the screw hole external diameter to the screw hole department of terminal at left side screw rod, be convenient for utilize hexagonal spanner to screw up the line ball screw from the left side screw rod outside through this hole, loosen line ball screw to extreme position, line ball screw terminal surface can push up left side screw rod inner wall, guarantees that the line ball screw can not drop.

(4) Through with magnet fixing base suit in the right side screw rod outside, and magnet fixing base bottom is fixed with four magnets, can be convenient for adsorb waterproof fuse in the lamp pole inboard through four magnets.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the fuse body of the present invention;

FIG. 2 is a schematic view of a cylindrical fuse structure according to the present invention;

FIG. 3 is a schematic view of the sealing piece structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the fuse body of the present invention;

fig. 5 is a schematic diagram of the position structure of the flat filament of the present invention.

The numbering in the figures illustrates:

1. a compression cover; 2. a tightening ring; 3. a seal ring; 4. a binding post; 5. a magnet fixing seat; 6. a magnet fixing nut; 7. a wire pressing screw; 8. a left screw; 9. a conductive spring; 10. a spring seat; 11. a magnet; 12. a magnet fixing screw; 13. a fuse; 14. a right screw; 15. screwing the screw sleeve; 16. sealing the sheet; 17. the spring seat fixes the screw.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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 as a specific case by those skilled in the art.

Example 1:

referring to fig. 1-5, a waterproof fuse includes a screwing barrel 15, a right screw 14 is sleeved on an outer end of the screwing barrel 15 and hooks an outer step of the right screw 14, the screwing barrel 15 is screwed on the left screw 8, a sealing sheet 16 is clamped between the right screw 14 and the left screw 8 for water prevention, the left screw 8, the right screw 14 and the sealing sheet 16 form a cavity, a conductive spring 9, two spring seats 10 and a fuse 13 are accommodated in the cavity, a binding post 4 and a spring seat 10 on the left side are fixed on the left screw 8 through a spring seat fixing screw 17, a binding post 4 on the right side is fixed on the right screw 14 through a copper screw, sealing rings 3 are respectively clamped on outer sides of the two binding posts 4, and a pressing ring 2 is respectively clamped on outer sides of the two sealing rings 3, the outside of two sealing washer 3 is blocked respectively and is equipped with compressing cap 1, be located the outside of 1 spiral shell of left compressing cap at left side screw rod 8, be located the outside of 1 spiral shell of compressing cap on right side screw rod 14, be located left magnet fixing base 5 cover in the left side screw rod 8 outside, be located the magnet fixing base 5 cover on right side screw rod 14 outside, four magnet 11 are fixed on two magnet fixing base 5 through four magnet fixing screw 12 and four magnet fixation nut 6 respectively, conductive spring 9, two spring seat 10 all assemble together, form the conductive spring subassembly, the slot is seted up in the spring seat 10 outside, can catch on the spring silk, prevent that the spring from coming off, screw shell 15 of screwing, left side screw rod 8 and right side screw rod 14 and gasket 16 constitute a cavity altogether, be used for holding fuse 13.

Please refer to fig. 5, the terminal 4 located on the left side is fixed in the flat wire groove of the left screw 8, the end surface of the terminal 4 is provided with a flat wire matched with the left screw 8, it is ensured that the terminal 4 is not angularly deviated from the left screw 8 after being fixed, the left screw 8 is provided with a hole slightly smaller than the outer diameter of the threaded hole at the position of the threaded hole just facing the terminal 4, through the hole, a hexagonal wrench can be used to screw the wire pressing screw 7 from the outer side of the left screw 8, the wire pressing screw 7 is loosened to the limit position, the end surface of the wire pressing screw can be pushed against the inner wall of the left screw 8, it is ensured that the wire pressing screw does not fall off, the terminal 4 on the right side is fixed in the flat wire groove of the right screw 14, and the structure is the same as above.

Please refer to fig. 1-5, the waterproof effect at the inlet wire ends of the two sides of the waterproof fuse is achieved by pressing the cover 1, the packing ring 2, the sealing ring 3, the cover 1 is screwed and pressed, the packing ring 2 is forced to be retracted, the sealing ring 3 is made of silica gel, the deformation and retraction are generated, the two ends of the locking ring penetrate into the wires, meanwhile, the sealing ring 3 and the left screw 8 are pressed, the contact surface of the right screw 14 generates pressure to form the waterproof function, the magnet fixing seat 5 on the left side is sleeved outside the left screw 8, two magnets 11 are fixed at the bottom of the magnet fixing seat 5, the magnet fixing seat 5 is sleeved outside the right screw 14, and the waterproof fuse can be adsorbed on the inner side of the lamp post by the four magnets 11.

Referring to fig. 1-5, when a cable is connected, firstly, the left compression cover 1 is unscrewed, the compression ring 2 and the sealing ring 3 are taken out, the compression ring 2 and the sealing ring 3 are tightly matched and can be taken out together, a lead sequentially penetrates through the compression cover 1, the compression ring 2 and the sealing ring 3, a socket head wrench is used for loosening the pressing line screw 7 from an operation hole on the left screw 8, the end part of the cable is peeled and penetrates into the left binding post 4, the pressing line screw 7 is screwed, then the compression ring 2, the sealing ring 3 and the compression cover 1 are sequentially sleeved, the compression cover 1 is screwed, the compression ring 2 is pressed by the inner conical surface of the compression cover 1, the tooth surface is shrunk and compresses the sealing ring 3, the left side of the sealing ring 3 is shrunk and compresses the cable, meanwhile, the contact surface of the left screw 8 is extruded to the right side to form water resistance, and the other side is operated in the same way.

When the fuse is replaced, the left screw 8 is tightly held, the screwing screw sleeve 15 is rotated anticlockwise, the screwing screw sleeve 15 is loosened, the fuse 13 is poured out of the right screw 14, a new fuse 13 is placed in a cavity of the right screw 14 to freely fall into the cavity, then the right screw 14 and the fuse 13 are inserted into the left screw 8, and the screwing screw sleeve 15 is screwed.

The material explanation is that two compress tightly lid 1, two compel tight circle 2, a left side screw rod 8, a right side screw rod 14, the swivel nut 15 of screwing are fire-retardant nylon material in this scheme, and two sealing washer 3, two magnet fixing bases 5, a gasket 16 are the silica gel material, and two terminals 4, two spring seats 10 are the brass material, and conducting spring 9 material is beryllium bronze.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A waterproof fuse, includes screw thread insert (15) of screwing, its characterized in that: the outer pot head of the swivel nut (15) of screwing has right side screw rod (14), the swivel nut (15) of screwing catches on right side screw rod (14) outside step, swivel nut (15) spiral shell of screwing is on left side screw rod (8), right side screw rod (14) and left side screw rod (8) centre card have gasket (16), a cavity is constituteed with right side screw rod (14) and gasket (16) to left side screw rod (8), it has one conductive spring (9), two spring seats (10), fuse (13) to hold in the cavity, be equipped with line ball screw (7) on left side screw rod (8), be connected with on left side screw rod (8) and be located left terminal (4) and spring seat (10) to connect through seat fixed screw (17), be located right side terminal (4) are fixed on right side screw rod (14) through the copper screw, two the outside of terminal (4) is blocked respectively and is had sealing washer (3), two the outside of sealing washer (3) is blocked respectively and is had tight circle (2), two the outside of sealing washer (3) is equipped with the lid (1) respectively and compresses tightly the lid (1) the left side screw rod (8) the left side screw rod (1) is located the screw rod outside of compressing tightly the lid (8) the left side screw rod (1) the screw rod (8) outside of compressing tightly the screw rod (1) is located the right side screw rod (8) outside 5) And the magnet fixing seats (5) on the right side are sleeved outside the right screw (14), and the four magnets (11) are fixed on the two magnet fixing seats (5) through four magnet fixing screws (12) and four magnet fixing nuts (6) respectively.

2. A water resistant fuse as claimed in claim 1, wherein: the conductive spring (9) and the two spring seats (10) are assembled together to form a conductive spring assembly, and grooves are formed in the outer sides of the spring seats (10).

3. A water resistant fuse as claimed in claim 1, wherein: the screwing threaded sleeve (15), the left screw (8), the right screw (14) and the sealing sheet (16) form a cavity, and the fuse wire (13) is accommodated in the cavity.

4. A water resistant fuse as claimed in claim 1, wherein: seted up the flat filament groove in left side screw rod (8), be located the left terminal (4) are fixed at the flat filament inslot of left side screw rod (8), terminal (4) terminal surface is provided with left side screw rod (8) assorted flat filament, left side screw rod (8) are just being equipped with the screw hole to terminal (4) department, left side screw rod (8) are just being equipped with the hole that is slightly littleer than the screw hole external diameter in the screw hole department to terminal (4).

5. A water resistant fuse as claimed in claim 1, wherein: the waterproof effect that is located waterproof fuse both sides inlet wire end is accomplished through compressing tightly lid (1), compelling tight circle (2), sealing washer (3) respectively, screws and compresses tightly lid (1) back compelling tight circle (2) to be compelled to adduct, sealing washer (3) produce and warp the adduction to the locking both ends penetrate the wire.

6. A water resistant fuse as claimed in claim 1, wherein: be located the left magnet fixing base (5) suit is in the left side screw rod (8) outside, magnet fixing base (5) bottom is fixed with two magnet (11), and magnet fixing base (5) suit is in the right side screw rod (14) outside.